[PATCH 6.9 000/222] 6.9.8-rc1 review

[PATCH 6.9 000/222] 6.9.8-rc1 review

[Greg Kroah-Hartman]

This is the start of the stable review cycle for the 6.9.8 release.
There are 222 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 6.9.8-rc1

David Howells <dhowells@redhat.com>
    netfs: Fix netfs_page_mkwrite() to flush conflicting data, not wait

David Howells <dhowells@redhat.com>
    netfs: Fix netfs_page_mkwrite() to check folio->mapping is valid

Yao Xingtao <yaoxt.fnst@fujitsu.com>
    cxl/region: check interleave capability

Alison Schofield <alison.schofield@intel.com>
    cxl/region: Avoid null pointer dereference in region lookup

Alison Schofield <alison.schofield@intel.com>
    cxl/region: Move cxl_dpa_to_region() work to the region driver

Alex Bee <knaerzche@gmail.com>
    arm64: dts: rockchip: Add sound-dai-cells for RK3368

Andy Yan <andyshrk@163.com>
    arm64: dts: rockchip: Fix the i2c address of es8316 on Cool Pi 4B

Mark Brown <broonie@kernel.org>
    reset: gpio: Fix missing gpiolib dependency for GPIO reset controller

FUKAUMI Naoki <naoki@radxa.com>
    arm64: dts: rockchip: fix PMIC interrupt pin on ROCK Pi E

Li Ming <ming4.li@intel.com>
    cxl/mem: Fix no cxl_nvd during pmem region auto-assembling

Dan Williams <dan.j.williams@intel.com>
    cxl/region: Convert cxl_pmem_region_alloc to scope-based resource management

FUKAUMI Naoki <naoki@radxa.com>
    arm64: dts: rockchip: make poweroff(8) work on Radxa ROCK 5A

FUKAUMI Naoki <naoki@radxa.com>
    Revert "arm64: dts: rockchip: remove redundant cd-gpios from rk3588 sdmmc nodes"

Johan Jonker <jbx6244@gmail.com>
    ARM: dts: rockchip: rk3066a: add #sound-dai-cells to hdmi node

Hsin-Te Yuan <yuanhsinte@chromium.org>
    arm64: dts: rockchip: Fix the value of `dlg,jack-det-rate` mismatch on rk3399-gru

Heiko Stuebner <heiko.stuebner@cherry.de>
    arm64: dts: rockchip: set correct pwm0 pinctrl on rk3588-tiger

Jonas Karlman <jonas@kwiboo.se>
    arm64: dts: rockchip: Rename LED related pinctrl nodes on rk3308-rock-pi-s

Jonas Karlman <jonas@kwiboo.se>
    arm64: dts: rockchip: Fix SD NAND and eMMC init on rk3308-rock-pi-s

Uwe Kleine-König <u.kleine-koenig@baylibre.com>
    pwm: stm32: Fix error message to not describe the previous error path

Uwe Kleine-König <u.kleine-koenig@baylibre.com>
    pwm: stm32: Fix calculation of prescaler

yangge <yangge1116@126.com>
    mm/page_alloc: Separate THP PCP into movable and non-movable categories

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Revert "net: sfp: enhance quirk for Fibrestore 2.5G copper SFP module"

Kent Overstreet <kent.overstreet@linux.dev>
    bcachefs: btree_gc can now handle unknown btrees

Kent Overstreet <kent.overstreet@linux.dev>
    bcachefs: Fix setting of downgrade recovery passes/errors

Kent Overstreet <kent.overstreet@linux.dev>
    bcachefs: Fix bch2_sb_downgrade_update()

Kent Overstreet <kent.overstreet@linux.dev>
    bcachefs: Fix sb-downgrade validation

Kent Overstreet <kent.overstreet@linux.dev>
    bcachefs: Fix sb_field_downgrade validation

Arnd Bergmann <arnd@arndb.de>
    syscalls: fix sys_fanotify_mark prototype

Arnd Bergmann <arnd@arndb.de>
    syscalls: fix compat_sys_io_pgetevents_time64 usage

Arnd Bergmann <arnd@arndb.de>
    ftruncate: pass a signed offset

Niklas Cassel <cassel@kernel.org>
    ata: libata-core: Fix double free on error

Niklas Cassel <cassel@kernel.org>
    ata: libata-core: Add ATA_HORKAGE_NOLPM for all Crucial BX SSD1 models

Niklas Cassel <cassel@kernel.org>
    ata: ahci: Clean up sysfs file on error

Vitor Soares <vitor.soares@toradex.com>
    can: mcp251xfd: fix infinite loop when xmit fails

Sven Eckelmann <sven@narfation.org>
    batman-adv: Don't accept TT entries for out-of-spec VIDs

Jens Axboe <axboe@kernel.dk>
    io_uring: signal SQPOLL task_work with TWA_SIGNAL_NO_IPI

Alex Deucher <alexander.deucher@amd.com>
    drm/amdgpu/atomfirmware: fix parsing of vram_info

Michael Strauss <michael.strauss@amd.com>
    drm/amd/display: Send DP_TOTAL_LTTPR_CNT during detection if LTTPR is present

Ma Ke <make24@iscas.ac.cn>
    drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_hd_modes

Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
    drm/i915/gt: Fix potential UAF by revoke of fence registers

Julia Zhang <julia.zhang@amd.com>
    drm/amdgpu: avoid using null object of framebuffer

Thomas Zimmermann <tzimmermann@suse.de>
    drm/fbdev-dma: Only set smem_start is enable per module option

Ma Ke <make24@iscas.ac.cn>
    drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_ld_modes

Jann Horn <jannh@google.com>
    drm/drm_file: Fix pid refcounting race

Arnd Bergmann <arnd@arndb.de>
    hexagon: fix fadvise64_64 calling conventions

Arnd Bergmann <arnd@arndb.de>
    csky, hexagon: fix broken sys_sync_file_range

Naohiro Aota <naohiro.aota@wdc.com>
    btrfs: zoned: fix initial free space detection

Arnd Bergmann <arnd@arndb.de>
    sh: rework sync_file_range ABI

Dragan Simic <dsimic@manjaro.org>
    kbuild: Install dtb files as 0644 in Makefile.dtbinst

Huacai Chen <chenhuacai@kernel.org>
    irqchip/loongson-liointc: Set different ISRs for different cores

Yuntao Wang <ytcoode@gmail.com>
    cpu/hotplug: Fix dynstate assignment in __cpuhp_setup_state_cpuslocked()

Huacai Chen <chenhuacai@kernel.org>
    cpu: Fix broken cmdline "nosmp" and "maxcpus=0"

Huacai Chen <chenhuacai@kernel.org>
    irqchip/loongson-eiointc: Use early_cpu_to_node() instead of cpu_to_node()

Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    cpufreq: intel_pstate: Use HWP to initialize ITMT if CPPC is missing

Nathan Chancellor <nathan@kernel.org>
    nvmet-fc: Remove __counted_by from nvmet_fc_tgt_queue.fod[]

Mostafa Saleh <smostafa@google.com>
    PCI/MSI: Fix UAF in msi_capability_init

Oleksij Rempel <o.rempel@pengutronix.de>
    net: can: j1939: enhanced error handling for tightly received RTS messages in xtp_rx_rts_session_new

Oleksij Rempel <o.rempel@pengutronix.de>
    net: can: j1939: recover socket queue on CAN bus error during BAM transmission

Shigeru Yoshida <syoshida@redhat.com>
    net: can: j1939: Initialize unused data in j1939_send_one()

Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
    tty: mcf: MCF54418 has 10 UARTS

Nathan Chancellor <nathan@kernel.org>
    tty: mxser: Remove __counted_by from mxser_board.ports[]

Dirk Su <dirk.su@canonical.com>
    ALSA: hda/realtek: fix mute/micmute LEDs don't work for EliteBook 645/665 G11.

Jonas Gorski <jonas.gorski@gmail.com>
    serial: bcm63xx-uart: fix tx after conversion to uart_port_tx_limited()

Jonas Gorski <jonas.gorski@gmail.com>
    serial: core: introduce uart_port_tx_limited_flags()

Stefan Eichenberger <stefan.eichenberger@toradex.com>
    serial: imx: set receiver level before starting uart

Udit Kumar <u-kumar1@ti.com>
    serial: 8250_omap: Implementation of Errata i2310

Crescent Hsieh <crescentcy.hsieh@moxa.com>
    tty: serial: 8250: Fix port count mismatch with the device

Doug Brown <doug@schmorgal.com>
    Revert "serial: core: only stop transmit when HW fifo is empty"

Jos Wang <joswang@lenovo.com>
    usb: dwc3: core: Workaround for CSR read timeout

Fabrice Gasnier <fabrice.gasnier@foss.st.com>
    usb: ucsi: stm32: fix command completion handling

Ferry Toth <ftoth@exalondelft.nl>
    Revert "usb: gadget: u_ether: Replace netif_stop_queue with netif_device_detach"

Ferry Toth <ftoth@exalondelft.nl>
    Revert "usb: gadget: u_ether: Re-attach netif device to mirror detachment"

Javier Carrasco <javier.carrasco.cruz@gmail.com>
    usb: typec: ucsi: glink: fix child node release in probe function

Jeremy Kerr <jk@codeconstruct.com.au>
    usb: gadget: aspeed_udc: fix device address configuration

Meng Li <Meng.Li@windriver.com>
    usb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock

Nikita Zhandarovich <n.zhandarovich@fintech.ru>
    usb: atm: cxacru: fix endpoint checking in cxacru_bind()

Dan Carpenter <dan.carpenter@linaro.org>
    usb: musb: da8xx: fix a resource leak in probe()

Oliver Neukum <oneukum@suse.com>
    usb: gadget: printer: fix races against disable

Oliver Neukum <oneukum@suse.com>
    usb: gadget: printer: SS+ support

Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
    net: usb: ax88179_178a: improve link status logs

Vasileios Amoiridis <vassilisamir@gmail.com>
    iio: chemical: bme680: Fix sensor data read operation

Vasileios Amoiridis <vassilisamir@gmail.com>
    iio: chemical: bme680: Fix overflows in compensate() functions

Vasileios Amoiridis <vassilisamir@gmail.com>
    iio: chemical: bme680: Fix calibration data variable

Vasileios Amoiridis <vassilisamir@gmail.com>
    iio: chemical: bme680: Fix pressure value output

Alexander Sverdlin <alexander.sverdlin@siemens.com>
    iio: accel: fxls8962af: select IIO_BUFFER & IIO_KFIFO_BUF

Fernando Yang <hagisf@usp.br>
    iio: adc: ad7266: Fix variable checking bug

Dimitri Fedrau <dima.fedrau@gmail.com>
    iio: humidity: hdc3020: fix hysteresis representation

Niklas Cassel <cassel@kernel.org>
    ata,scsi: libata-core: Do not leak memory for ata_port struct members

Niklas Cassel <cassel@kernel.org>
    ata: libata-core: Fix null pointer dereference on error

Wolfram Sang <wsa+renesas@sang-engineering.com>
    i2c: testunit: discard write requests while old command is running

Wolfram Sang <wsa+renesas@sang-engineering.com>
    i2c: testunit: don't erase registers after STOP

Masahiro Yamada <masahiroy@kernel.org>
    kbuild: rpm-pkg: fix build error with CONFIG_MODULES=n

Thayne Harbaugh <thayne@mastodonlabs.com>
    kbuild: Fix build target deb-pkg: ln: failed to create hard link

Mark-PK Tsai <mark-pk.tsai@mediatek.com>
    kbuild: doc: Update default INSTALL_MOD_DIR from extra to updates

David Lechner <dlechner@baylibre.com>
    counter: ti-eqep: enable clock at probe

Chuck Lever <chuck.lever@oracle.com>
    SUNRPC: Fix backchannel reply, again

Sean Anderson <sean.anderson@linux.dev>
    iio: xilinx-ams: Don't include ams_ctrl_channels in scan_mask

Adrian Hunter <adrian.hunter@intel.com>
    mmc: sdhci: Do not lock spinlock around mmc_gpio_get_ro()

Adrian Hunter <adrian.hunter@intel.com>
    mmc: sdhci: Do not invert write-protect twice

Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    mmc: sdhci-pci: Convert PCIBIOS_* return codes to errnos

Kamal Dasu <kamal.dasu@broadcom.com>
    mmc: sdhci-brcmstb: check R1_STATUS for erase/trim/discard

Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    mmc: sdhci-pci-o2micro: Convert PCIBIOS_* return codes to errnos

Linus Walleij <linus.walleij@linaro.org>
    Revert "mmc: moxart-mmc: Use sg_miter for PIO"

Andrew Bresticker <abrestic@rivosinc.com>
    mm/memory: don't require head page for do_set_pmd()

Zhaoyang Huang <zhaoyang.huang@unisoc.com>
    mm: fix incorrect vbq reference in purge_fragmented_block

Andrey Konovalov <andreyknvl@gmail.com>
    kasan: fix bad call to unpoison_slab_object

Christoph Hellwig <hch@lst.de>
    nfs: drop the incorrect assertion in nfs_swap_rw()

Jan Kara <jack@suse.cz>
    ocfs2: fix DIO failure due to insufficient transaction credits

Johan Hovold <johan+linaro@kernel.org>
    pinctrl: qcom: spmi-gpio: drop broken pm8008 support

Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    Revert "MIPS: pci: lantiq: restore reset gpio polarity"

Arnd Bergmann <arnd@arndb.de>
    parisc: use generic sys_fanotify_mark implementation

Linus Torvalds <torvalds@linux-foundation.org>
    x86: stop playing stack games in profile_pc()

Kees Cook <kees@kernel.org>
    randomize_kstack: Remove non-functional per-arch entropy filtering

David Arcari <darcari@redhat.com>
    tools/power turbostat: option '-n' is ambiguous

Kent Gibson <warthog618@gmail.com>
    gpiolib: cdev: Ignore reconfiguration without direction

Kent Gibson <warthog618@gmail.com>
    gpiolib: cdev: Disallow reconfiguration without direction (uAPI v1)

Vasant Hegde <vasant.hegde@amd.com>
    iommu/amd: Fix GT feature enablement again

Vasant Hegde <vasant.hegde@amd.com>
    iommu/amd: Invalidate cache before removing device from domain list

Vasant Hegde <vasant.hegde@amd.com>
    iommu/amd: Introduce per device DTE update function

Andy Chiu <andy.chiu@sifive.com>
    riscv: stacktrace: convert arch_stack_walk() to noinstr

Lijo Lazar <lijo.lazar@amd.com>
    drm/amdgpu: Fix pci state save during mode-1 reset

Jesse Taube <jesse@rivosinc.com>
    RISC-V: fix vector insn load/store width mask

NeilBrown <neilb@suse.de>
    nfsd: initialise nfsd_info.mutex early.

Zenghui Yu <yuzenghui@huawei.com>
    arm64: Clear the initial ID map correctly before remapping

Aleksandr Mishin <amishin@t-argos.ru>
    gpio: davinci: Validate the obtained number of IRQs

Liu Ying <victor.liu@nxp.com>
    drm/panel: simple: Add missing display timing flags for KOE TX26D202VM0BWA

Hannes Reinecke <hare@kernel.org>
    nvmet: make 'tsas' attribute idempotent for RDMA

Hannes Reinecke <hare@suse.de>
    nvme: fixup comment for nvme RDMA Provider Type

Hannes Reinecke <hare@kernel.org>
    nvmet: do not return 'reserved' for empty TSAS values

Michal Wajdeczko <michal.wajdeczko@intel.com>
    drm/xe: Check pat.ops before dumping PAT settings

Erick Archer <erick.archer@outlook.com>
    drm/radeon/radeon_display: Decrease the size of allocated memory

Stefan Berger <stefanb@linux.ibm.com>
    evm: Enforce signatures on unsupported filesystem for EVM_INIT_X509

Andreas Gruenbacher <agruenba@redhat.com>
    gfs2: Fix NULL pointer dereference in gfs2_log_flush

Andrew Davis <afd@ti.com>
    soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message

Jason Gunthorpe <jgg@ziepe.ca>
    iommu/arm-smmu-v3: Do not allow a SVA domain to be set on the wrong PASID

Tiezhu Yang <yangtiezhu@loongson.cn>
    irqchip/loongson: Select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP for IRQ_LOONGARCH_CPU

Ricardo Ribalda <ribalda@chromium.org>
    media: dvbdev: Initialize sbuf

Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
    ALSA: emux: improve patch ioctl data validation

Joachim Vandersmissen <git@jvdsn.com>
    crypto: ecdh - explicitly zeroize private_key

Chia-Yuan Li <leo.li@realtek.com>
    wifi: rtw89: download firmware with five times retry

Dawei Li <dawei.li@shingroup.cn>
    net/dpaa2: Avoid explicit cpumask var allocation on stack

Dawei Li <dawei.li@shingroup.cn>
    net/iucv: Avoid explicit cpumask var allocation on stack

Wenchao Hao <haowenchao2@huawei.com>
    RDMA/restrack: Fix potential invalid address access

Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
    drm/xe/xe_devcoredump: Check NULL before assignments

Martin KaFai Lau <martin.lau@kernel.org>
    bpf: Mark bpf prog stack with kmsan_unposion_memory in interpreter mode

Anton Protopopov <aspsk@isovalent.com>
    bpf: Add a check for struct bpf_fib_lookup size

Muhammad Ahmed <ahmed.ahmed@amd.com>
    drm/amd/display: Skip pipe if the pipe idx not set properly

Johannes Berg <johannes.berg@intel.com>
    wifi: ieee80211: check for NULL in ieee80211_mle_size_ok()

Denis Arefev <arefev@swemel.ru>
    mtd: partitions: redboot: Added conversion of operands to a larger type

Sherry Wang <Yao.Wang1@amd.com>
    drm/amd/display: correct hostvm flag

Nirmoy Das <nirmoy.das@intel.com>
    drm/xe: Add a NULL check in xe_ttm_stolen_mgr_init

Uros Bizjak <ubizjak@gmail.com>
    x86/fpu: Fix AMD X86_BUG_FXSAVE_LEAK fixup

Maxime Coquelin <maxime.coquelin@redhat.com>
    vduse: Temporarily fail if control queue feature requested

Maxime Coquelin <maxime.coquelin@redhat.com>
    vduse: validate block features only with block devices

Nirmoy Das <nirmoy.das@intel.com>
    drm/xe: Fix potential integer overflow in page size calculation

Laurent Pinchart <laurent.pinchart@ideasonboard.com>
    drm/panel: ilitek-ili9881c: Fix warning with GPIO controllers that sleep

Christophe Leroy <christophe.leroy@csgroup.eu>
    bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro()

Christophe Leroy <christophe.leroy@csgroup.eu>
    bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

Ma Ke <make24@iscas.ac.cn>
    net: mana: Fix possible double free in error handling path

Kuniyuki Iwashima <kuniyu@amazon.com>
    af_unix: Fix wrong ioctl(SIOCATMARK) when consumed OOB skb is at the head.

Kuniyuki Iwashima <kuniyu@amazon.com>
    af_unix: Don't stop recv() at consumed ex-OOB skb.

Kuniyuki Iwashima <kuniyu@amazon.com>
    af_unix: Don't stop recv(MSG_DONTWAIT) if consumed OOB skb is at the head.

Kuniyuki Iwashima <kuniyu@amazon.com>
    af_unix: Stop recv(MSG_PEEK) at consumed OOB skb.

Yunseong Kim <yskelg@gmail.com>
    tracing/net_sched: NULL pointer dereference in perf_trace_qdisc_reset()

Pablo Neira Ayuso <pablo@netfilter.org>
    netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers

Takashi Iwai <tiwai@suse.de>
    ALSA: seq: Fix missing MSB in MIDI2 SPP conversion

Neal Cardwell <ncardwell@google.com>
    tcp: fix tcp_rcv_fastopen_synack() to enter TCP_CA_Loss for failed TFO

Shannon Nelson <shannon.nelson@amd.com>
    ionic: use dev_consume_skb_any outside of napi

Arnd Bergmann <arnd@arndb.de>
    powerpc: restore some missing spu syscalls

Arnd Bergmann <arnd@arndb.de>
    parisc: use correct compat recv/recvfrom syscalls

Arnd Bergmann <arnd@arndb.de>
    sparc: fix compat recv/recvfrom syscalls

Arnd Bergmann <arnd@arndb.de>
    sparc: fix old compat_sys_select()

Tristram Ha <tristram.ha@microchip.com>
    net: dsa: microchip: fix wrong register write when masking interrupt

Takashi Iwai <tiwai@suse.de>
    ALSA: seq: Fix missing channel at encoding RPN/NRPN MIDI2 messages

luoxuanqiang <luoxuanqiang@kylinos.cn>
    Fix race for duplicate reqsk on identical SYN

Filipe Manana <fdmanana@suse.com>
    btrfs: use NOFS context when getting inodes during logging and log replay

Jianguo Wu <wujianguo@chinatelecom.cn>
    netfilter: fix undefined reference to 'netfilter_lwtunnel_*' when CONFIG_SYSCTL=n

Chen-Yu Tsai <wenst@chromium.org>
    ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link

Daniil Dulov <d.dulov@aladdin.ru>
    xdp: Remove WARN() from __xdp_reg_mem_model()

Alexei Starovoitov <ast@kernel.org>
    bpf: Fix may_goto with negative offset.

Jan Sokolowski <jan.sokolowski@intel.com>
    ice: Rebuild TC queues on VSI queue reconfiguration

Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
    net: dsa: microchip: use collision based back pressure mode

Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
    net: phy: micrel: add Microchip KSZ 9477 to the device table

Nick Child <nnac123@linux.ibm.com>
    ibmvnic: Free any outstanding tx skbs during scrq reset

Guillaume Nault <gnault@redhat.com>
    vxlan: Pull inner IP header in vxlan_xmit_one().

Daniel Borkmann <daniel@iogearbox.net>
    bpf: Fix overrunning reservations in ringbuf

Alexei Starovoitov <ast@kernel.org>
    bpf: Fix the corner case with may_goto and jump to the 1st insn.

Ido Schimmel <idosch@nvidia.com>
    mlxsw: spectrum_buffers: Fix memory corruptions on Spectrum-4 systems

Ido Schimmel <idosch@nvidia.com>
    mlxsw: pci: Fix driver initialization with Spectrum-4

Taehee Yoo <ap420073@gmail.com>
    ionic: fix kernel panic due to multi-buffer handling

Hangbin Liu <liuhangbin@gmail.com>
    bonding: fix incorrect software timestamping report

Xin Long <lucien.xin@gmail.com>
    openvswitch: get related ct labels from its master if it is not confirmed

Tristram Ha <tristram.ha@microchip.com>
    net: dsa: microchip: fix initial port flush problem

Elinor Montmasson <elinor.montmasson@savoirfairelinux.com>
    ASoC: fsl-asoc-card: set priv->pdev before using it

Vijendar Mukunda <Vijendar.Mukunda@amd.com>
    ASoC: amd: acp: move chip->flag variable assignment

Vijendar Mukunda <Vijendar.Mukunda@amd.com>
    ASoC: amd: acp: remove i2s configuration check in acp_i2s_probe()

Vijendar Mukunda <Vijendar.Mukunda@amd.com>
    ASoC: amd: acp: add a null check for chip_pdev structure

Alexei Starovoitov <ast@kernel.org>
    bpf: Fix remap of arena.

Halil Pasic <pasic@linux.ibm.com>
    s390/virtio_ccw: Fix config change notifications

Niklas Schnelle <schnelle@linux.ibm.com>
    s390/pci: Add missing virt_to_phys() for directed DIBV

Yonghong Song <yonghong.song@linux.dev>
    bpf: Add missed var_off setting in coerce_subreg_to_size_sx()

Yonghong Song <yonghong.song@linux.dev>
    bpf: Add missed var_off setting in set_sext32_default_val()

Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
    ASoC: q6apm-lpass-dai: close graph on prepare errors

Wenchao Hao <haowenchao22@gmail.com>
    workqueue: Increase worker desc's length to 32

Andrei Simion <andrei.simion@microchip.com>
    ASoC: atmel: atmel-classd: Re-add dai_link->platform to fix card init

Hsin-Te Yuan <yuanhsinte@chromium.org>
    ASoC: mediatek: mt8183-da7219-max98357: Fix kcontrol name collision

Alibek Omarov <a1ba.omarov@gmail.com>
    ASoC: rockchip: i2s-tdm: Fix trcm mode by setting clock on right mclk

Maciej Strozek <mstrozek@opensource.cirrus.com>
    ASoC: cs42l43: Increase default type detect time and button delay

Uwe Kleine-König <u.kleine-koenig@baylibre.com>
    pwm: stm32: Refuse too small period requests

Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
    pwm: stm32: Calculate prescaler with a division instead of a loop

Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
    pwm: stm32: Fix for settings using period > UINT32_MAX

Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
    pwm: stm32: Improve precision of calculation in .apply()

Martin Schiller <ms@dev.tdt.de>
    MIPS: pci: lantiq: restore reset gpio polarity

Huang-Huang Bao <i@eh5.me>
    pinctrl: rockchip: fix pinmux reset in rockchip_pmx_set

Huang-Huang Bao <i@eh5.me>
    pinctrl: rockchip: use dedicated pinctrl type for RK3328

Huang-Huang Bao <i@eh5.me>
    pinctrl: rockchip: fix pinmux bits for RK3328 GPIO3-B pins

Huang-Huang Bao <i@eh5.me>
    pinctrl: rockchip: fix pinmux bits for RK3328 GPIO2-B pins

Hagar Hemdan <hagarhem@amazon.com>
    pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER

John Keeping <jkeeping@inmusicbrands.com>
    Input: ili210x - fix ili251x_read_touch_data() return value

Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
    pinctrl: renesas: rzg2l: Use spin_{lock,unlock}_irq{save,restore}

Heikki Krogerus <heikki.krogerus@linux.intel.com>
    usb: typec: ucsi: Ack also failed Get Error commands

Christian A. Ehrhardt <lk@c--e.de>
    usb: typec: ucsi: Never send a lone connector change ack


-------------

Diffstat:

 Documentation/kbuild/modules.rst                   |   8 +-
 Makefile                                           |   4 +-
 arch/arm/boot/dts/rockchip/rk3066a.dtsi            |   1 +
 arch/arm/net/bpf_jit_32.c                          |  25 +-
 arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts  |  18 +-
 arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts  |   4 +-
 arch/arm64/boot/dts/rockchip/rk3368.dtsi           |   3 +
 arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi       |   2 +-
 .../boot/dts/rockchip/rk3588-orangepi-5-plus.dts   |   1 +
 .../arm64/boot/dts/rockchip/rk3588-quartzpro64.dts |   1 +
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts    |   1 +
 arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi     |   5 +
 arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts |   4 +-
 arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts   |   2 +
 arch/arm64/include/asm/unistd32.h                  |   2 +-
 arch/arm64/kernel/pi/map_kernel.c                  |   2 +-
 arch/arm64/kernel/syscall.c                        |  16 +-
 arch/csky/include/uapi/asm/unistd.h                |   1 +
 arch/hexagon/include/asm/syscalls.h                |   6 +
 arch/hexagon/include/uapi/asm/unistd.h             |   1 +
 arch/hexagon/kernel/syscalltab.c                   |   7 +
 arch/loongarch/net/bpf_jit.c                       |  22 +-
 arch/mips/kernel/syscalls/syscall_n32.tbl          |   2 +-
 arch/mips/kernel/syscalls/syscall_o32.tbl          |   2 +-
 arch/mips/net/bpf_jit_comp.c                       |   3 +-
 arch/parisc/Kconfig                                |   1 +
 arch/parisc/kernel/sys_parisc32.c                  |   9 -
 arch/parisc/kernel/syscalls/syscall.tbl            |   6 +-
 arch/parisc/net/bpf_jit_core.c                     |   8 +-
 arch/powerpc/kernel/syscalls/syscall.tbl           |   6 +-
 arch/riscv/include/asm/insn.h                      |   2 +-
 arch/riscv/kernel/stacktrace.c                     |   2 +-
 arch/s390/include/asm/entry-common.h               |   2 +-
 arch/s390/kernel/syscalls/syscall.tbl              |   2 +-
 arch/s390/net/bpf_jit_comp.c                       |   6 +-
 arch/s390/pci/pci_irq.c                            |   2 +-
 arch/sh/kernel/sys_sh32.c                          |  11 +
 arch/sh/kernel/syscalls/syscall.tbl                |   3 +-
 arch/sparc/kernel/sys32.S                          | 221 --------------
 arch/sparc/kernel/syscalls/syscall.tbl             |   8 +-
 arch/sparc/net/bpf_jit_comp_64.c                   |   6 +-
 arch/x86/entry/syscalls/syscall_32.tbl             |   2 +-
 arch/x86/include/asm/entry-common.h                |  15 +-
 arch/x86/kernel/fpu/core.c                         |   4 +-
 arch/x86/kernel/time.c                             |  20 +-
 arch/x86/net/bpf_jit_comp32.c                      |   3 +-
 crypto/ecdh.c                                      |   2 +
 drivers/ata/ahci.c                                 |  17 +-
 drivers/ata/libata-core.c                          |  32 +-
 drivers/counter/ti-eqep.c                          |   6 +
 drivers/cpufreq/intel_pstate.c                     |  13 +-
 drivers/cxl/core/core.h                            |   7 +
 drivers/cxl/core/hdm.c                             |  13 +
 drivers/cxl/core/memdev.c                          |  44 ---
 drivers/cxl/core/pmem.c                            |  16 +-
 drivers/cxl/core/region.c                          | 182 ++++++++++--
 drivers/cxl/cxl.h                                  |   6 +-
 drivers/cxl/cxlmem.h                               |  10 +
 drivers/cxl/mem.c                                  |  17 +-
 drivers/gpio/gpio-davinci.c                        |   5 +
 drivers/gpio/gpiolib-cdev.c                        |  28 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c   |   2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c         |   7 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c           |  18 +-
 drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c   |   5 +
 .../display/dc/link/protocols/link_dp_capability.c |  10 +-
 .../amd/display/dc/resource/dcn31/dcn31_resource.c |   2 +-
 drivers/gpu/drm/amd/display/include/dpcd_defs.h    |   5 +
 drivers/gpu/drm/drm_fb_helper.c                    |   6 +-
 drivers/gpu/drm/drm_fbdev_dma.c                    |   5 +-
 drivers/gpu/drm/drm_file.c                         |   8 +-
 drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c       |   1 +
 drivers/gpu/drm/nouveau/dispnv04/tvnv17.c          |   6 +
 drivers/gpu/drm/panel/panel-ilitek-ili9881c.c      |   6 +-
 drivers/gpu/drm/panel/panel-simple.c               |   1 +
 drivers/gpu/drm/radeon/radeon.h                    |   1 -
 drivers/gpu/drm/radeon/radeon_display.c            |   8 +-
 drivers/gpu/drm/xe/xe_devcoredump.c                |  10 +-
 drivers/gpu/drm/xe/xe_pat.c                        |   2 +-
 drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c             |   5 +
 drivers/gpu/drm/xe/xe_ttm_vram_mgr.c               |   2 +-
 drivers/i2c/i2c-slave-testunit.c                   |   5 +-
 drivers/iio/accel/Kconfig                          |   2 +
 drivers/iio/adc/ad7266.c                           |   2 +
 drivers/iio/adc/xilinx-ams.c                       |   8 +-
 drivers/iio/chemical/bme680.h                      |   2 +
 drivers/iio/chemical/bme680_core.c                 |  62 +++-
 drivers/iio/humidity/hdc3020.c                     | 323 ++++++++++++++++-----
 drivers/infiniband/core/restrack.c                 |  51 +---
 drivers/input/touchscreen/ili210x.c                |   4 +-
 drivers/iommu/amd/amd_iommu.h                      |   1 +
 drivers/iommu/amd/init.c                           |   1 +
 drivers/iommu/amd/iommu.c                          |  34 ++-
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c    |   3 +
 drivers/irqchip/Kconfig                            |   2 +-
 drivers/irqchip/irq-loongson-eiointc.c             |   5 +-
 drivers/irqchip/irq-loongson-liointc.c             |   4 +-
 drivers/media/dvb-core/dvbdev.c                    |   2 +-
 drivers/mmc/host/moxart-mmc.c                      |  78 ++---
 drivers/mmc/host/sdhci-brcmstb.c                   |   4 +
 drivers/mmc/host/sdhci-pci-core.c                  |  11 +-
 drivers/mmc/host/sdhci-pci-o2micro.c               |  41 +--
 drivers/mmc/host/sdhci.c                           |  25 +-
 drivers/mtd/parsers/redboot.c                      |   2 +-
 drivers/net/bonding/bond_main.c                    |   3 +
 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c     |  14 +-
 drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c       |  55 +++-
 drivers/net/can/spi/mcp251xfd/mcp251xfd.h          |   5 +
 drivers/net/dsa/microchip/ksz9477.c                |  10 +-
 drivers/net/dsa/microchip/ksz9477_reg.h            |   1 +
 drivers/net/dsa/microchip/ksz_common.c             |   2 +-
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c   |  14 +-
 drivers/net/ethernet/ibm/ibmvnic.c                 |   6 +
 drivers/net/ethernet/intel/ice/ice_main.c          |  10 +-
 drivers/net/ethernet/mellanox/mlxsw/pci.c          |  18 +-
 drivers/net/ethernet/mellanox/mlxsw/reg.h          |   2 +
 .../net/ethernet/mellanox/mlxsw/spectrum_buffers.c |  20 +-
 drivers/net/ethernet/microsoft/mana/mana_en.c      |   2 +
 drivers/net/ethernet/pensando/ionic/ionic_dev.h    |   4 +-
 drivers/net/ethernet/pensando/ionic/ionic_lif.c    |   2 +-
 drivers/net/ethernet/pensando/ionic/ionic_txrx.c   |  55 ++--
 drivers/net/phy/micrel.c                           |   1 +
 drivers/net/phy/sfp.c                              |  18 +-
 drivers/net/usb/ax88179_178a.c                     |   6 +-
 drivers/net/vxlan/vxlan_core.c                     |   9 +-
 drivers/net/wireless/realtek/rtw89/fw.c            |  27 +-
 drivers/nvme/target/configfs.c                     |  41 ++-
 drivers/nvme/target/fc.c                           |   2 +-
 drivers/pci/msi/msi.c                              |  10 +-
 drivers/pinctrl/core.c                             |   2 +-
 drivers/pinctrl/pinctrl-rockchip.c                 |  68 ++++-
 drivers/pinctrl/pinctrl-rockchip.h                 |   1 +
 drivers/pinctrl/qcom/pinctrl-spmi-gpio.c           |   1 -
 drivers/pinctrl/renesas/pinctrl-rzg2l.c            |   4 +-
 drivers/pwm/pwm-stm32.c                            |  62 ++--
 drivers/reset/Kconfig                              |   1 +
 drivers/s390/virtio/virtio_ccw.c                   |   4 +-
 drivers/scsi/libsas/sas_ata.c                      |   6 +-
 drivers/scsi/libsas/sas_discover.c                 |   2 +-
 drivers/soc/ti/wkup_m3_ipc.c                       |   7 +-
 drivers/tty/mxser.c                                |   2 +-
 drivers/tty/serial/8250/8250_omap.c                |  25 +-
 drivers/tty/serial/8250/8250_pci.c                 |  13 +-
 drivers/tty/serial/bcm63xx_uart.c                  |   7 +-
 drivers/tty/serial/imx.c                           |   4 +-
 drivers/tty/serial/mcf.c                           |   2 +-
 drivers/usb/atm/cxacru.c                           |  14 +
 drivers/usb/dwc3/core.c                            |  26 +-
 drivers/usb/gadget/function/f_printer.c            |  40 ++-
 drivers/usb/gadget/function/u_ether.c              |   4 +-
 drivers/usb/gadget/udc/aspeed_udc.c                |   4 +-
 drivers/usb/musb/da8xx.c                           |   8 +-
 drivers/usb/typec/ucsi/ucsi.c                      |  55 ++--
 drivers/usb/typec/ucsi/ucsi_glink.c                |   5 +-
 drivers/usb/typec/ucsi/ucsi_stm32g0.c              |  19 +-
 drivers/vdpa/vdpa_user/vduse_dev.c                 |  14 +-
 fs/bcachefs/bcachefs.h                             |  44 +--
 fs/bcachefs/btree_gc.c                             |  15 +-
 fs/bcachefs/btree_gc.h                             |  48 ++-
 fs/bcachefs/btree_gc_types.h                       |  29 ++
 fs/bcachefs/ec.c                                   |   2 +-
 fs/bcachefs/sb-downgrade.c                         |  17 +-
 fs/bcachefs/super-io.c                             |  12 +-
 fs/btrfs/free-space-cache.c                        |   2 +-
 fs/btrfs/tree-log.c                                |  43 ++-
 fs/gfs2/log.c                                      |   3 +-
 fs/gfs2/super.c                                    |   4 +
 fs/netfs/buffered_write.c                          |  12 +-
 fs/nfs/direct.c                                    |   2 -
 fs/nfsd/nfsctl.c                                   |   2 +
 fs/nfsd/nfssvc.c                                   |   1 -
 fs/ocfs2/aops.c                                    |   5 +
 fs/ocfs2/journal.c                                 |  17 ++
 fs/ocfs2/journal.h                                 |   2 +
 fs/ocfs2/ocfs2_trace.h                             |   2 +
 fs/open.c                                          |   4 +-
 include/linux/compat.h                             |   2 +-
 include/linux/filter.h                             |  10 +-
 include/linux/ieee80211.h                          |   2 +-
 include/linux/libata.h                             |   1 +
 include/linux/mmzone.h                             |   9 +-
 include/linux/nvme.h                               |   6 +-
 include/linux/serial_core.h                        |  21 +-
 include/linux/syscalls.h                           |   8 +-
 include/linux/workqueue.h                          |   2 +-
 include/net/inet_connection_sock.h                 |   2 +-
 include/net/netfilter/nf_tables.h                  |   5 +
 include/trace/events/qdisc.h                       |   2 +-
 include/uapi/asm-generic/unistd.h                  |   2 +-
 io_uring/io_uring.c                                |   4 +-
 kernel/bpf/arena.c                                 |  16 +-
 kernel/bpf/core.c                                  |   6 +-
 kernel/bpf/ringbuf.c                               |  31 +-
 kernel/bpf/verifier.c                              |  69 ++++-
 kernel/cpu.c                                       |  11 +-
 kernel/sys_ni.c                                    |   2 +-
 mm/kasan/common.c                                  |   2 +-
 mm/memory.c                                        |   3 +-
 mm/page_alloc.c                                    |   9 +-
 mm/vmalloc.c                                       |  21 +-
 net/batman-adv/originator.c                        |  27 ++
 net/can/j1939/main.c                               |   6 +-
 net/can/j1939/transport.c                          |  21 +-
 net/core/filter.c                                  |   3 +
 net/core/xdp.c                                     |   4 +-
 net/dccp/ipv4.c                                    |   7 +-
 net/dccp/ipv6.c                                    |   7 +-
 net/ipv4/inet_connection_sock.c                    |  17 +-
 net/ipv4/tcp_input.c                               |  45 ++-
 net/iucv/iucv.c                                    |  26 +-
 net/netfilter/nf_hooks_lwtunnel.c                  |   3 +
 net/netfilter/nf_tables_api.c                      |   8 +-
 net/netfilter/nft_lookup.c                         |   3 +-
 net/openvswitch/conntrack.c                        |   7 +-
 net/sunrpc/svc.c                                   |   5 +-
 net/unix/af_unix.c                                 |  37 ++-
 scripts/Makefile.dtbinst                           |   2 +-
 scripts/Makefile.package                           |   2 +-
 scripts/package/kernel.spec                        |   8 +-
 security/integrity/evm/evm_main.c                  |  12 +-
 sound/core/seq/seq_ump_convert.c                   |  10 +-
 sound/pci/hda/patch_realtek.c                      |   3 +
 sound/soc/amd/acp/acp-i2s.c                        |   8 -
 sound/soc/amd/acp/acp-pci.c                        |  12 +-
 sound/soc/atmel/atmel-classd.c                     |   7 +-
 sound/soc/codecs/cs42l43-jack.c                    |   4 +-
 sound/soc/fsl/fsl-asoc-card.c                      |   3 +-
 sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c |  10 +-
 sound/soc/mediatek/mt8195/mt8195-mt6359.c          |   1 +
 sound/soc/qcom/qdsp6/q6apm-lpass-dais.c            |  32 +-
 sound/soc/rockchip/rockchip_i2s_tdm.c              |  13 +-
 sound/synth/emux/soundfont.c                       |  17 +-
 tools/power/x86/turbostat/turbostat.c              |   2 +-
 tools/testing/cxl/test/cxl.c                       |   4 +
 234 files changed, 2103 insertions(+), 1184 deletions(-)

[PATCH 6.9 001/222] usb: typec: ucsi: Never send a lone connector change ack

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christian A. Ehrhardt <lk@c--e.de>

[ Upstream commit de52aca4d9d56c3b2f00b638d457075914b1a227 ]

Some PPM implementation do not like UCSI_ACK_CONNECTOR_CHANGE
without UCSI_ACK_COMMAND_COMPLETE. Moreover, doing this is racy
as it requires sending two UCSI_ACK_CC_CI commands in a row and
the second one will be started with UCSI_CCI_ACK_COMPLETE already
set in CCI.

Bundle the UCSI_ACK_CONNECTOR_CHANGE with the UCSI_ACK_COMMAND_COMPLETE
for the UCSI_GET_CONNECTOR_STATUS command that is sent while
handling a connector change event.

Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240327224554.1772525-3-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 8bdf8a42bca4 ("usb: typec: ucsi: Ack also failed Get Error commands")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/typec/ucsi/ucsi.c | 48 +++++++++++++++--------------------
 1 file changed, 21 insertions(+), 27 deletions(-)

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 7801501837b69..144e47ed6fae3 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -49,22 +49,16 @@ static int ucsi_read_message_in(struct ucsi *ucsi, void *buf,
 	return ucsi->ops->read(ucsi, UCSI_MESSAGE_IN, buf, buf_size);
 }
 
-static int ucsi_acknowledge_command(struct ucsi *ucsi)
+static int ucsi_acknowledge(struct ucsi *ucsi, bool conn_ack)
 {
 	u64 ctrl;
 
 	ctrl = UCSI_ACK_CC_CI;
 	ctrl |= UCSI_ACK_COMMAND_COMPLETE;
-
-	return ucsi->ops->sync_write(ucsi, UCSI_CONTROL, &ctrl, sizeof(ctrl));
-}
-
-static int ucsi_acknowledge_connector_change(struct ucsi *ucsi)
-{
-	u64 ctrl;
-
-	ctrl = UCSI_ACK_CC_CI;
-	ctrl |= UCSI_ACK_CONNECTOR_CHANGE;
+	if (conn_ack) {
+		clear_bit(EVENT_PENDING, &ucsi->flags);
+		ctrl |= UCSI_ACK_CONNECTOR_CHANGE;
+	}
 
 	return ucsi->ops->sync_write(ucsi, UCSI_CONTROL, &ctrl, sizeof(ctrl));
 }
@@ -77,7 +71,7 @@ static int ucsi_read_error(struct ucsi *ucsi)
 	int ret;
 
 	/* Acknowledge the command that failed */
-	ret = ucsi_acknowledge_command(ucsi);
+	ret = ucsi_acknowledge(ucsi, false);
 	if (ret)
 		return ret;
 
@@ -89,7 +83,7 @@ static int ucsi_read_error(struct ucsi *ucsi)
 	if (ret)
 		return ret;
 
-	ret = ucsi_acknowledge_command(ucsi);
+	ret = ucsi_acknowledge(ucsi, false);
 	if (ret)
 		return ret;
 
@@ -152,7 +146,7 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
 		return -EIO;
 
 	if (cci & UCSI_CCI_NOT_SUPPORTED) {
-		if (ucsi_acknowledge_command(ucsi) < 0)
+		if (ucsi_acknowledge(ucsi, false) < 0)
 			dev_err(ucsi->dev,
 				"ACK of unsupported command failed\n");
 		return -EOPNOTSUPP;
@@ -165,15 +159,15 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
 	}
 
 	if (cmd == UCSI_CANCEL && cci & UCSI_CCI_CANCEL_COMPLETE) {
-		ret = ucsi_acknowledge_command(ucsi);
+		ret = ucsi_acknowledge(ucsi, false);
 		return ret ? ret : -EBUSY;
 	}
 
 	return UCSI_CCI_LENGTH(cci);
 }
 
-int ucsi_send_command(struct ucsi *ucsi, u64 command,
-		      void *data, size_t size)
+static int ucsi_send_command_common(struct ucsi *ucsi, u64 command,
+				    void *data, size_t size, bool conn_ack)
 {
 	u8 length;
 	int ret;
@@ -192,7 +186,7 @@ int ucsi_send_command(struct ucsi *ucsi, u64 command,
 			goto out;
 	}
 
-	ret = ucsi_acknowledge_command(ucsi);
+	ret = ucsi_acknowledge(ucsi, conn_ack);
 	if (ret)
 		goto out;
 
@@ -201,6 +195,12 @@ int ucsi_send_command(struct ucsi *ucsi, u64 command,
 	mutex_unlock(&ucsi->ppm_lock);
 	return ret;
 }
+
+int ucsi_send_command(struct ucsi *ucsi, u64 command,
+		      void *data, size_t size)
+{
+	return ucsi_send_command_common(ucsi, command, data, size, false);
+}
 EXPORT_SYMBOL_GPL(ucsi_send_command);
 
 /* -------------------------------------------------------------------------- */
@@ -1157,7 +1157,9 @@ static void ucsi_handle_connector_change(struct work_struct *work)
 	mutex_lock(&con->lock);
 
 	command = UCSI_GET_CONNECTOR_STATUS | UCSI_CONNECTOR_NUMBER(con->num);
-	ret = ucsi_send_command(ucsi, command, &con->status, sizeof(con->status));
+
+	ret = ucsi_send_command_common(ucsi, command, &con->status,
+				       sizeof(con->status), true);
 	if (ret < 0) {
 		dev_err(ucsi->dev, "%s: GET_CONNECTOR_STATUS failed (%d)\n",
 			__func__, ret);
@@ -1214,14 +1216,6 @@ static void ucsi_handle_connector_change(struct work_struct *work)
 	if (con->status.change & UCSI_CONSTAT_CAM_CHANGE)
 		ucsi_partner_task(con, ucsi_check_altmodes, 1, 0);
 
-	mutex_lock(&ucsi->ppm_lock);
-	clear_bit(EVENT_PENDING, &con->ucsi->flags);
-	ret = ucsi_acknowledge_connector_change(ucsi);
-	mutex_unlock(&ucsi->ppm_lock);
-
-	if (ret)
-		dev_err(ucsi->dev, "%s: ACK failed (%d)", __func__, ret);
-
 out_unlock:
 	mutex_unlock(&con->lock);
 }
-- 
2.43.0

[PATCH 6.9 002/222] usb: typec: ucsi: Ack also failed Get Error commands

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Heikki Krogerus <heikki.krogerus@linux.intel.com>

[ Upstream commit 8bdf8a42bca4f47646fd105a387ab6926948c7f1 ]

It is possible that also the GET_ERROR command fails. If
that happens, the command completion still needs to be
acknowledged. Otherwise the interface will be stuck until
it's reset.

Reported-by: Ammy Yi <ammy.yi@intel.com>
Fixes: bdc62f2bae8f ("usb: typec: ucsi: Simplified registration and I/O API")
Cc: stable@vger.kernel.org
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240531104653.1303519-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/typec/ucsi/ucsi.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 144e47ed6fae3..911d774c9805a 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -153,8 +153,13 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
 	}
 
 	if (cci & UCSI_CCI_ERROR) {
-		if (cmd == UCSI_GET_ERROR_STATUS)
+		if (cmd == UCSI_GET_ERROR_STATUS) {
+			ret = ucsi_acknowledge(ucsi, false);
+			if (ret)
+				return ret;
+
 			return -EIO;
+		}
 		return ucsi_read_error(ucsi);
 	}
 
-- 
2.43.0

[PATCH 6.9 003/222] pinctrl: renesas: rzg2l: Use spin_{lock,unlock}_irq{save,restore}

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

[ Upstream commit a39741d38c048a48ae0d65226d9548005a088f5f ]

On PREEMPT_RT kernels the spinlock_t maps to an rtmutex. Using
raw_spin_lock_irqsave()/raw_spin_unlock_irqrestore() on
&pctrl->lock.rlock breaks the PREEMPT_RT builds. To fix this use
spin_lock_irqsave()/spin_unlock_irqrestore() on &pctrl->lock.

Fixes: 02cd2d3be1c3 ("pinctrl: renesas: rzg2l: Configure the interrupt type on resume")
Reported-by: Diederik de Haas <didi.debian@cknow.org>
Closes: https://lore.kernel.org/all/131999629.KQPSlr0Zke@bagend
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240522055421.2842689-1-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/renesas/pinctrl-rzg2l.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 248ab71b9f9da..747b22cd38aea 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -2071,11 +2071,11 @@ static void rzg2l_gpio_irq_restore(struct rzg2l_pinctrl *pctrl)
 		 * This has to be atomically executed to protect against a concurrent
 		 * interrupt.
 		 */
-		raw_spin_lock_irqsave(&pctrl->lock.rlock, flags);
+		spin_lock_irqsave(&pctrl->lock, flags);
 		ret = rzg2l_gpio_irq_set_type(data, irqd_get_trigger_type(data));
 		if (!ret && !irqd_irq_disabled(data))
 			rzg2l_gpio_irq_enable(data);
-		raw_spin_unlock_irqrestore(&pctrl->lock.rlock, flags);
+		spin_unlock_irqrestore(&pctrl->lock, flags);
 
 		if (ret)
 			dev_crit(pctrl->dev, "Failed to set IRQ type for virq=%u\n", virq);
-- 
2.43.0

[PATCH 6.9 004/222] Input: ili210x - fix ili251x_read_touch_data() return value

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: John Keeping <jkeeping@inmusicbrands.com>

[ Upstream commit 9f0fad0382124e7e23b3c730fa78818c22c89c0a ]

The caller of this function treats all non-zero values as an error, so
the return value of i2c_master_recv() cannot be returned directly.

This fixes touch reporting when there are more than 6 active touches.

Fixes: ef536abd3afd1 ("Input: ili210x - define and use chip operations structure")
Signed-off-by: John Keeping <jkeeping@inmusicbrands.com>
Link: https://lore.kernel.org/r/20240523085624.2295988-1-jkeeping@inmusicbrands.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/touchscreen/ili210x.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index 31ffdc2a93f35..79bdb2b109496 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -261,8 +261,8 @@ static int ili251x_read_touch_data(struct i2c_client *client, u8 *data)
 	if (!error && data[0] == 2) {
 		error = i2c_master_recv(client, data + ILI251X_DATA_SIZE1,
 					ILI251X_DATA_SIZE2);
-		if (error >= 0 && error != ILI251X_DATA_SIZE2)
-			error = -EIO;
+		if (error >= 0)
+			error = error == ILI251X_DATA_SIZE2 ? 0 : -EIO;
 	}
 
 	return error;
-- 
2.43.0

[PATCH 6.9 005/222] pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hagar Hemdan <hagarhem@amazon.com>

[ Upstream commit adec57ff8e66aee632f3dd1f93787c13d112b7a1 ]

In create_pinctrl(), pinctrl_maps_mutex is acquired before calling
add_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()
calls pinctrl_free(). However, pinctrl_free() attempts to acquire
pinctrl_maps_mutex, which is already held by create_pinctrl(), leading to
a potential deadlock.

This patch resolves the issue by releasing pinctrl_maps_mutex before
calling pinctrl_free(), preventing the deadlock.

This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.

Fixes: 42fed7ba44e4 ("pinctrl: move subsystem mutex to pinctrl_dev struct")
Suggested-by: Maximilian Heyne <mheyne@amazon.de>
Signed-off-by: Hagar Hemdan <hagarhem@amazon.com>
Link: https://lore.kernel.org/r/20240604085838.3344-1-hagarhem@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index cffeb869130dd..f424a57f00136 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1106,8 +1106,8 @@ static struct pinctrl *create_pinctrl(struct device *dev,
 		 * an -EPROBE_DEFER later, as that is the worst case.
 		 */
 		if (ret == -EPROBE_DEFER) {
-			pinctrl_free(p, false);
 			mutex_unlock(&pinctrl_maps_mutex);
+			pinctrl_free(p, false);
 			return ERR_PTR(ret);
 		}
 	}
-- 
2.43.0

[PATCH 6.9 006/222] pinctrl: rockchip: fix pinmux bits for RK3328 GPIO2-B pins

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huang-Huang Bao <i@eh5.me>

[ Upstream commit e8448a6c817c2aa6c6af785b1d45678bd5977e8d ]

The pinmux bits for GPIO2-B0 to GPIO2-B6 actually have 2 bits width,
correct the bank flag for GPIO2-B. The pinmux bits for GPIO2-B7 is
recalculated so it remain unchanged.

The pinmux bits for those pins are not explicitly specified in RK3328
TRM, however we can get hint from pad name and its correspinding IOMUX
setting for pins in interface descriptions. The correspinding IOMIX
settings for GPIO2-B0 to GPIO2-B6 can be found in the same row next to
occurrences of following pad names in RK3328 TRM.

GPIO2-B0: IO_SPIclkm0_GPIO2B0vccio5
GPIO2-B1: IO_SPItxdm0_GPIO2B1vccio5
GPIO2-B2: IO_SPIrxdm0_GPIO2B2vccio5
GPIO2-B3: IO_SPIcsn0m0_GPIO2B3vccio5
GPIO2-B4: IO_SPIcsn1m0_FLASHvol_sel_GPIO2B4vccio5
GPIO2-B5: IO_ I2C2sda_TSADCshut_GPIO2B5vccio5
GPIO2-B6: IO_ I2C2scl_GPIO2B6vccio5

This fix has been tested on NanoPi R2S for fixing confliting pinmux bits
between GPIO2-B7 with GPIO2-B5.

Signed-off-by: Huang-Huang Bao <i@eh5.me>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Fixes: 3818e4a7678e ("pinctrl: rockchip: Add rk3328 pinctrl support")
Link: https://lore.kernel.org/r/20240606125755.53778-2-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/pinctrl-rockchip.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 3bedf36a0019d..78dcf4daccde8 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -634,12 +634,6 @@ static struct rockchip_mux_recalced_data rk3308_mux_recalced_data[] = {
 
 static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = {
 	{
-		.num = 2,
-		.pin = 12,
-		.reg = 0x24,
-		.bit = 8,
-		.mask = 0x3
-	}, {
 		.num = 2,
 		.pin = 15,
 		.reg = 0x28,
@@ -3763,7 +3757,7 @@ static struct rockchip_pin_bank rk3328_pin_banks[] = {
 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0),
 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0,
-			     IOMUX_WIDTH_3BIT,
+			     0,
 			     IOMUX_WIDTH_3BIT,
 			     0),
 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
-- 
2.43.0

[PATCH 6.9 007/222] pinctrl: rockchip: fix pinmux bits for RK3328 GPIO3-B pins

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huang-Huang Bao <i@eh5.me>

[ Upstream commit 5ef6914e0bf578357b4c906ffe6b26e7eedb8ccf ]

The pinmux bits for GPIO3-B1 to GPIO3-B6 pins are not explicitly
specified in RK3328 TRM, however we can get hint from pad name and its
correspinding IOMUX setting for pins in interface descriptions. The
correspinding IOMIX settings for these pins can be found in the same
row next to occurrences of following pad names in RK3328 TRM.

GPIO3-B1:  IO_TSPd5m0_CIFdata5m0_GPIO3B1vccio6
GPIO3-B2: IO_TSPd6m0_CIFdata6m0_GPIO3B2vccio6
GPIO3-B3: IO_TSPd7m0_CIFdata7m0_GPIO3B3vccio6
GPIO3-B4: IO_CARDclkm0_GPIO3B4vccio6
GPIO3-B5: IO_CARDrstm0_GPIO3B5vccio6
GPIO3-B6: IO_CARDdetm0_GPIO3B6vccio6

Add pinmux data to rk3328_mux_recalced_data as mux register offset for
these pins does not follow rockchip convention.

Signed-off-by: Huang-Huang Bao <i@eh5.me>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Fixes: 3818e4a7678e ("pinctrl: rockchip: Add rk3328 pinctrl support")
Link: https://lore.kernel.org/r/20240606125755.53778-3-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/pinctrl-rockchip.c | 51 ++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 78dcf4daccde8..23531ea0d088f 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -634,17 +634,68 @@ static struct rockchip_mux_recalced_data rk3308_mux_recalced_data[] = {
 
 static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = {
 	{
+		/* gpio2_b7_sel */
 		.num = 2,
 		.pin = 15,
 		.reg = 0x28,
 		.bit = 0,
 		.mask = 0x7
 	}, {
+		/* gpio2_c7_sel */
 		.num = 2,
 		.pin = 23,
 		.reg = 0x30,
 		.bit = 14,
 		.mask = 0x3
+	}, {
+		/* gpio3_b1_sel */
+		.num = 3,
+		.pin = 9,
+		.reg = 0x44,
+		.bit = 2,
+		.mask = 0x3
+	}, {
+		/* gpio3_b2_sel */
+		.num = 3,
+		.pin = 10,
+		.reg = 0x44,
+		.bit = 4,
+		.mask = 0x3
+	}, {
+		/* gpio3_b3_sel */
+		.num = 3,
+		.pin = 11,
+		.reg = 0x44,
+		.bit = 6,
+		.mask = 0x3
+	}, {
+		/* gpio3_b4_sel */
+		.num = 3,
+		.pin = 12,
+		.reg = 0x44,
+		.bit = 8,
+		.mask = 0x3
+	}, {
+		/* gpio3_b5_sel */
+		.num = 3,
+		.pin = 13,
+		.reg = 0x44,
+		.bit = 10,
+		.mask = 0x3
+	}, {
+		/* gpio3_b6_sel */
+		.num = 3,
+		.pin = 14,
+		.reg = 0x44,
+		.bit = 12,
+		.mask = 0x3
+	}, {
+		/* gpio3_b7_sel */
+		.num = 3,
+		.pin = 15,
+		.reg = 0x44,
+		.bit = 14,
+		.mask = 0x3
 	},
 };
 
-- 
2.43.0

[PATCH 6.9 008/222] pinctrl: rockchip: use dedicated pinctrl type for RK3328

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huang-Huang Bao <i@eh5.me>

[ Upstream commit 01b4b1d1cec48ef4c26616c2fc4600b2c9fec05a ]

rk3328_pin_ctrl uses type of RK3288 which has a hack in
rockchip_pinctrl_suspend and rockchip_pinctrl_resume to restore GPIO6-C6
at assume, the hack is not applicable to RK3328 as GPIO6 is not even
exist in it. So use a dedicated pinctrl type to skip this hack.

Fixes: 3818e4a7678e ("pinctrl: rockchip: Add rk3328 pinctrl support")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Link: https://lore.kernel.org/r/20240606125755.53778-4-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/pinctrl-rockchip.c | 5 ++++-
 drivers/pinctrl/pinctrl-rockchip.h | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 23531ea0d088f..24ee88863ce39 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -2478,6 +2478,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
 	case RK3188:
 	case RK3288:
 	case RK3308:
+	case RK3328:
 	case RK3368:
 	case RK3399:
 	case RK3568:
@@ -2536,6 +2537,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank,
 	case RK3188:
 	case RK3288:
 	case RK3308:
+	case RK3328:
 	case RK3368:
 	case RK3399:
 	case RK3568:
@@ -2798,6 +2800,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
 	case RK3188:
 	case RK3288:
 	case RK3308:
+	case RK3328:
 	case RK3368:
 	case RK3399:
 	case RK3568:
@@ -3822,7 +3825,7 @@ static struct rockchip_pin_ctrl rk3328_pin_ctrl = {
 		.pin_banks		= rk3328_pin_banks,
 		.nr_banks		= ARRAY_SIZE(rk3328_pin_banks),
 		.label			= "RK3328-GPIO",
-		.type			= RK3288,
+		.type			= RK3328,
 		.grf_mux_offset		= 0x0,
 		.iomux_recalced		= rk3328_mux_recalced_data,
 		.niomux_recalced	= ARRAY_SIZE(rk3328_mux_recalced_data),
diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h
index 4759f336941ef..849266f8b1913 100644
--- a/drivers/pinctrl/pinctrl-rockchip.h
+++ b/drivers/pinctrl/pinctrl-rockchip.h
@@ -193,6 +193,7 @@ enum rockchip_pinctrl_type {
 	RK3188,
 	RK3288,
 	RK3308,
+	RK3328,
 	RK3368,
 	RK3399,
 	RK3568,
-- 
2.43.0

[PATCH 6.9 009/222] pinctrl: rockchip: fix pinmux reset in rockchip_pmx_set

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huang-Huang Bao <i@eh5.me>

[ Upstream commit 4ea4d4808e342ddf89ba24b93ffa2057005aaced ]

rockchip_pmx_set reset all pinmuxs in group to 0 in the case of error,
add missing bank data retrieval in that code to avoid setting mux on
unexpected pins.

Fixes: 14797189b35e ("pinctrl: rockchip: add return value to rockchip_set_mux")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Link: https://lore.kernel.org/r/20240606125755.53778-5-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/pinctrl-rockchip.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 24ee88863ce39..3f56991f5b892 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -2751,8 +2751,10 @@ static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
 
 	if (ret) {
 		/* revert the already done pin settings */
-		for (cnt--; cnt >= 0; cnt--)
+		for (cnt--; cnt >= 0; cnt--) {
+			bank = pin_to_bank(info, pins[cnt]);
 			rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0);
+		}
 
 		return ret;
 	}
-- 
2.43.0

[PATCH 6.9 010/222] MIPS: pci: lantiq: restore reset gpio polarity

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Martin Schiller <ms@dev.tdt.de>

[ Upstream commit 277a0363120276645ae598d8d5fea7265e076ae9 ]

Commit 90c2d2eb7ab5 ("MIPS: pci: lantiq: switch to using gpiod API") not
only switched to the gpiod API, but also inverted / changed the polarity
of the GPIO.

According to the PCI specification, the RST# pin is an active-low
signal. However, most of the device trees that have been widely used for
a long time (mainly in the openWrt project) define this GPIO as
active-high and the old driver code inverted the signal internally.

Apparently there are actually boards where the reset gpio must be
operated inverted. For this reason, we cannot use the GPIOD_OUT_LOW/HIGH
flag for initialization. Instead, we must explicitly set the gpio to
value 1 in order to take into account any "GPIO_ACTIVE_LOW" flag that
may have been set.

In order to remain compatible with all these existing device trees, we
should therefore keep the logic as it was before the commit.

Fixes: 90c2d2eb7ab5 ("MIPS: pci: lantiq: switch to using gpiod API")
Cc: stable@vger.kernel.org
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/pci/pci-lantiq.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 68a8cefed420b..0844db34022e4 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -124,14 +124,14 @@ static int ltq_pci_startup(struct platform_device *pdev)
 		clk_disable(clk_external);
 
 	/* setup reset gpio used by pci */
-	reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset",
-					     GPIOD_OUT_LOW);
+	reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_ASIS);
 	error = PTR_ERR_OR_ZERO(reset_gpio);
 	if (error) {
 		dev_err(&pdev->dev, "failed to request gpio: %d\n", error);
 		return error;
 	}
 	gpiod_set_consumer_name(reset_gpio, "pci_reset");
+	gpiod_direction_output(reset_gpio, 1);
 
 	/* enable auto-switching between PCI and EBU */
 	ltq_pci_w32(0xa, PCI_CR_CLK_CTRL);
@@ -194,10 +194,10 @@ static int ltq_pci_startup(struct platform_device *pdev)
 
 	/* toggle reset pin */
 	if (reset_gpio) {
-		gpiod_set_value_cansleep(reset_gpio, 1);
+		gpiod_set_value_cansleep(reset_gpio, 0);
 		wmb();
 		mdelay(1);
-		gpiod_set_value_cansleep(reset_gpio, 0);
+		gpiod_set_value_cansleep(reset_gpio, 1);
 	}
 	return 0;
 }
-- 
2.43.0

[PATCH 6.9 011/222] pwm: stm32: Improve precision of calculation in .apply()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit e419617847b688799a91126eb6c94b936bfb35ff ]

While mathematically it's ok to calculate the number of cyles for the
duty cycle as:

	duty_cycles = period_cycles * duty_ns / period_ns

this doesn't always give the right result when doing integer math. This
is best demonstrated using an example: With the input clock running at
208877930 Hz a request for duty_cycle = 383 ns and period = 49996 ns
results in

	period_cycles = clkrate * period_ns / NSEC_PER_SEC = 10443.06098828

Now calculating duty_cycles with the above formula gives:

	duty_cycles = 10443.06098828 * 383 / 49996 = 80.00024719

However with period_cycle truncated to an integer results in:

	duty_cycles = 10443 * 383 / 49996 = 79.99977998239859

So while a value of (a little more than) 80 would be the right result,
only 79 is used here. The problem here is that 14443 is a rounded result
that should better not be used to do further math. So to fix that use
the exact formular similar to how period_cycles is calculated.

Link: https://lore.kernel.org/r/7628ecd8a7538aa5a7397f0fc4199a077168e8a6.1710711976.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Stable-dep-of: c45fcf46ca23 ("pwm: stm32: Refuse too small period requests")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-stm32.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index 0c028d17c0752..d50194ad24b1c 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -351,8 +351,9 @@ static int stm32_pwm_config(struct stm32_pwm *priv, unsigned int ch,
 	regmap_set_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE);
 
 	/* Calculate the duty cycles */
-	dty = prd * duty_ns;
-	do_div(dty, period_ns);
+	dty = (unsigned long long)clk_get_rate(priv->clk) * duty_ns;
+	do_div(dty, prescaler + 1);
+	do_div(dty, NSEC_PER_SEC);
 
 	regmap_write(priv->regmap, TIM_CCR1 + 4 * ch, dty);
 
-- 
2.43.0

[PATCH 6.9 012/222] pwm: stm32: Fix for settings using period > UINT32_MAX

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit d44d635635a7192c773a75e674a8590a163e879e ]

stm32_pwm_config() took the duty_cycle and period values with the type
int, however stm32_pwm_apply() passed u64 values there. Expand the
function parameters to u64 to not discard relevant bits and adapt the
calculations to the wider type.

To ensure the calculations won't overflow, check in .probe() the input
clk doesn't run faster than 1 GHz.

Link: https://lore.kernel.org/r/06b4a650a608d0887d934c1b2b8919e0f78e4db2.1710711976.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Stable-dep-of: c45fcf46ca23 ("pwm: stm32: Refuse too small period requests")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-stm32.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index d50194ad24b1c..27fcc90504f67 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -309,16 +309,18 @@ static int stm32_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
 }
 
 static int stm32_pwm_config(struct stm32_pwm *priv, unsigned int ch,
-			    int duty_ns, int period_ns)
+			    u64 duty_ns, u64 period_ns)
 {
 	unsigned long long prd, div, dty;
 	unsigned int prescaler = 0;
 	u32 ccmr, mask, shift;
 
-	/* Period and prescaler values depends on clock rate */
-	div = (unsigned long long)clk_get_rate(priv->clk) * period_ns;
-
-	do_div(div, NSEC_PER_SEC);
+	/*
+	 * .probe() asserted that clk_get_rate() is not bigger than 1 GHz, so
+	 * this won't overflow.
+	 */
+	div = mul_u64_u64_div_u64(period_ns, clk_get_rate(priv->clk),
+				  NSEC_PER_SEC);
 	prd = div;
 
 	while (div > priv->max_arr) {
@@ -351,9 +353,8 @@ static int stm32_pwm_config(struct stm32_pwm *priv, unsigned int ch,
 	regmap_set_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE);
 
 	/* Calculate the duty cycles */
-	dty = (unsigned long long)clk_get_rate(priv->clk) * duty_ns;
-	do_div(dty, prescaler + 1);
-	do_div(dty, NSEC_PER_SEC);
+	dty = mul_u64_u64_div_u64(duty_ns, clk_get_rate(priv->clk),
+				  (u64)NSEC_PER_SEC * (prescaler + 1));
 
 	regmap_write(priv->regmap, TIM_CCR1 + 4 * ch, dty);
 
@@ -657,6 +658,17 @@ static int stm32_pwm_probe(struct platform_device *pdev)
 
 	stm32_pwm_detect_complementary(priv);
 
+	ret = devm_clk_rate_exclusive_get(dev, priv->clk);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to lock clock\n");
+
+	/*
+	 * With the clk running with not more than 1 GHz the calculations in
+	 * .apply() won't overflow.
+	 */
+	if (clk_get_rate(priv->clk) > 1000000000)
+		return dev_err_probe(dev, -EINVAL, "Failed to lock clock\n");
+
 	chip->ops = &stm32pwm_ops;
 
 	/* Initialize clock refcount to number of enabled PWM channels. */
-- 
2.43.0

[PATCH 6.9 013/222] pwm: stm32: Calculate prescaler with a division instead of a loop

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit 8002fbeef1e469b2c397d5cd2940e37b32a17849 ]

Instead of looping over increasing values for the prescaler and testing
if it's big enough, calculate the value using a single division.

Link: https://lore.kernel.org/r/498a44b313a6c0a84ccddd03cd67aadaaaf7daf2.1710711976.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Stable-dep-of: c45fcf46ca23 ("pwm: stm32: Refuse too small period requests")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-stm32.c | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index 27fcc90504f67..1c8911353b81d 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -311,29 +311,33 @@ static int stm32_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
 static int stm32_pwm_config(struct stm32_pwm *priv, unsigned int ch,
 			    u64 duty_ns, u64 period_ns)
 {
-	unsigned long long prd, div, dty;
-	unsigned int prescaler = 0;
+	unsigned long long prd, dty;
+	unsigned long long prescaler;
 	u32 ccmr, mask, shift;
 
 	/*
 	 * .probe() asserted that clk_get_rate() is not bigger than 1 GHz, so
-	 * this won't overflow.
+	 * the calculations here won't overflow.
+	 * First we need to find the minimal value for prescaler such that
+	 *
+	 *        period_ns * clkrate
+	 *   ------------------------------
+	 *   NSEC_PER_SEC * (prescaler + 1)
+	 *
+	 * isn't bigger than max_arr.
 	 */
-	div = mul_u64_u64_div_u64(period_ns, clk_get_rate(priv->clk),
-				  NSEC_PER_SEC);
-	prd = div;
-
-	while (div > priv->max_arr) {
-		prescaler++;
-		div = prd;
-		do_div(div, prescaler + 1);
-	}
 
-	prd = div;
+	prescaler = mul_u64_u64_div_u64(period_ns, clk_get_rate(priv->clk),
+					(u64)NSEC_PER_SEC * priv->max_arr);
+	if (prescaler > 0)
+		prescaler -= 1;
 
 	if (prescaler > MAX_TIM_PSC)
 		return -EINVAL;
 
+	prd = mul_u64_u64_div_u64(period_ns, clk_get_rate(priv->clk),
+				  (u64)NSEC_PER_SEC * (prescaler + 1));
+
 	/*
 	 * All channels share the same prescaler and counter so when two
 	 * channels are active at the same time we can't change them
-- 
2.43.0

[PATCH 6.9 014/222] pwm: stm32: Refuse too small period requests

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uwe Kleine-König <u.kleine-koenig@baylibre.com>

[ Upstream commit c45fcf46ca2368dafe7e5c513a711a6f0f974308 ]

If period_ns is small, prd might well become 0. Catch that case because
otherwise with

	regmap_write(priv->regmap, TIM_ARR, prd - 1);

a few lines down quite a big period is configured.

Fixes: 7edf7369205b ("pwm: Add driver for STM32 plaftorm")
Cc: stable@vger.kernel.org
Reviewed-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/b86f62f099983646f97eeb6bfc0117bb2d0c340d.1718979150.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-stm32.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index 1c8911353b81d..a8a1075f932df 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -337,6 +337,8 @@ static int stm32_pwm_config(struct stm32_pwm *priv, unsigned int ch,
 
 	prd = mul_u64_u64_div_u64(period_ns, clk_get_rate(priv->clk),
 				  (u64)NSEC_PER_SEC * (prescaler + 1));
+	if (!prd)
+		return -EINVAL;
 
 	/*
 	 * All channels share the same prescaler and counter so when two
-- 
2.43.0

[PATCH 6.9 015/222] ASoC: cs42l43: Increase default type detect time and button delay

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Maciej Strozek <mstrozek@opensource.cirrus.com>

[ Upstream commit afe377286ad49e0b69071d2a767e2c6553f4094b ]

Some problematic headsets have been discovered, to help with correctly
identifying these, the detect time must be increased. Also improve the
reliability of the impedance value from the button detect by slightly
increasing the button detect delay.

Fixes: 686b8f711b99 ("ASoC: cs42l43: Lower default type detect time")
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240604132843.3309114-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/cs42l43-jack.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/cs42l43-jack.c b/sound/soc/codecs/cs42l43-jack.c
index 901b9dbcf5854..d9ab003e166bf 100644
--- a/sound/soc/codecs/cs42l43-jack.c
+++ b/sound/soc/codecs/cs42l43-jack.c
@@ -121,7 +121,7 @@ int cs42l43_set_jack(struct snd_soc_component *component,
 		priv->buttons[3] = 735;
 	}
 
-	ret = cs42l43_find_index(priv, "cirrus,detect-us", 1000, &priv->detect_us,
+	ret = cs42l43_find_index(priv, "cirrus,detect-us", 50000, &priv->detect_us,
 				 cs42l43_accdet_us, ARRAY_SIZE(cs42l43_accdet_us));
 	if (ret < 0)
 		goto error;
@@ -433,7 +433,7 @@ irqreturn_t cs42l43_button_press(int irq, void *data)
 
 	// Wait for 2 full cycles of comb filter to ensure good reading
 	queue_delayed_work(system_wq, &priv->button_press_work,
-			   msecs_to_jiffies(10));
+			   msecs_to_jiffies(20));
 
 	return IRQ_HANDLED;
 }
-- 
2.43.0

[PATCH 6.9 016/222] ASoC: rockchip: i2s-tdm: Fix trcm mode by setting clock on right mclk

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alibek Omarov <a1ba.omarov@gmail.com>

[ Upstream commit ccd8d753f0fe8f16745fa2b6be5946349731d901 ]

When TRCM mode is enabled, I2S RX and TX clocks are synchronized through
selected clock source. Without this fix BCLK and LRCK might get parented
to an uninitialized MCLK and the DAI will receive data at wrong pace.

However, unlike in original i2s-tdm driver, there is no need to manually
synchronize mclk_rx and mclk_tx, as only one gets used anyway.

Tested on a board with RK3568 SoC and Silergy SY24145S codec with enabled and
disabled TRCM mode.

Fixes: 9e2ab4b18ebd ("ASoC: rockchip: i2s-tdm: Fix inaccurate sampling rates")
Signed-off-by: Alibek Omarov <a1ba.omarov@gmail.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://msgid.link/r/20240604184752.697313-1-a1ba.omarov@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/rockchip/rockchip_i2s_tdm.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index 9fa020ef7eab9..ee517d7b5b7bb 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -655,8 +655,17 @@ static int rockchip_i2s_tdm_hw_params(struct snd_pcm_substream *substream,
 	int err;
 
 	if (i2s_tdm->is_master_mode) {
-		struct clk *mclk = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
-			i2s_tdm->mclk_tx : i2s_tdm->mclk_rx;
+		struct clk *mclk;
+
+		if (i2s_tdm->clk_trcm == TRCM_TX) {
+			mclk = i2s_tdm->mclk_tx;
+		} else if (i2s_tdm->clk_trcm == TRCM_RX) {
+			mclk = i2s_tdm->mclk_rx;
+		} else if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+			mclk = i2s_tdm->mclk_tx;
+		} else {
+			mclk = i2s_tdm->mclk_rx;
+		}
 
 		err = clk_set_rate(mclk, DEFAULT_MCLK_FS * params_rate(params));
 		if (err)
-- 
2.43.0

[PATCH 6.9 017/222] ASoC: mediatek: mt8183-da7219-max98357: Fix kcontrol name collision

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hsin-Te Yuan <yuanhsinte@chromium.org>

[ Upstream commit 97d8613679eb53bd0c07d0fbd3d8471e46ba46c1 ]

Since "Headphone Switch" kcontrol name has already been used by da7219,
rename the control name from "Headphone" to "Headphones" to prevent the
colision. Also, this change makes kcontrol name align with the one in
mt8186-mt6366-da7219-max98357.c.

Fixes: 9c7388baa2053 ("ASoC: mediatek: mt8183-da7219-max98357: Map missing jack kcontrols")
Change-Id: I9ae69a4673cd04786b247cc514fdd20f878ef009
Signed-off-by: Hsin-Te Yuan <yuanhsinte@chromium.org>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://msgid.link/r/20240531-da7219-v1-1-ac3343f3ae6a@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
index acaf81fd6c9b5..f848e14b091a1 100644
--- a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
@@ -31,7 +31,7 @@ struct mt8183_da7219_max98357_priv {
 
 static struct snd_soc_jack_pin mt8183_da7219_max98357_jack_pins[] = {
 	{
-		.pin	= "Headphone",
+		.pin	= "Headphones",
 		.mask	= SND_JACK_HEADPHONE,
 	},
 	{
@@ -626,7 +626,7 @@ static struct snd_soc_codec_conf mt6358_codec_conf[] = {
 };
 
 static const struct snd_kcontrol_new mt8183_da7219_max98357_snd_controls[] = {
-	SOC_DAPM_PIN_SWITCH("Headphone"),
+	SOC_DAPM_PIN_SWITCH("Headphones"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Speakers"),
 	SOC_DAPM_PIN_SWITCH("Line Out"),
@@ -634,7 +634,7 @@ static const struct snd_kcontrol_new mt8183_da7219_max98357_snd_controls[] = {
 
 static const
 struct snd_soc_dapm_widget mt8183_da7219_max98357_dapm_widgets[] = {
-	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_HP("Headphones", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_SPK("Speakers", NULL),
 	SND_SOC_DAPM_SPK("Line Out", NULL),
@@ -680,7 +680,7 @@ static struct snd_soc_codec_conf mt8183_da7219_rt1015_codec_conf[] = {
 };
 
 static const struct snd_kcontrol_new mt8183_da7219_rt1015_snd_controls[] = {
-	SOC_DAPM_PIN_SWITCH("Headphone"),
+	SOC_DAPM_PIN_SWITCH("Headphones"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Left Spk"),
 	SOC_DAPM_PIN_SWITCH("Right Spk"),
@@ -689,7 +689,7 @@ static const struct snd_kcontrol_new mt8183_da7219_rt1015_snd_controls[] = {
 
 static const
 struct snd_soc_dapm_widget mt8183_da7219_rt1015_dapm_widgets[] = {
-	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_HP("Headphones", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_SPK("Left Spk", NULL),
 	SND_SOC_DAPM_SPK("Right Spk", NULL),
-- 
2.43.0

[PATCH 6.9 018/222] ASoC: atmel: atmel-classd: Re-add dai_link->platform to fix card init

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrei Simion <andrei.simion@microchip.com>

[ Upstream commit 2ed22161b19b11239aa742804549f63edd7c91e3 ]

The removed dai_link->platform component cause a fail which
is exposed at runtime. (ex: when a sound tool is used)
This patch re-adds the dai_link->platform component to have
a full card registered.

Before this patch:
:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: CLASSD [CLASSD], device 0: CLASSD PCM snd-soc-dummy-dai-0 []
    Subdevices: 1/1
    Subdevice #0: subdevice #0

:~$ speaker-test -t sine
speaker-test 1.2.6
Playback device is default
Stream parameters are 48000Hz, S16_LE, 1 channels
Sine wave rate is 440.0000Hz
Playback open error: -22,Invalid argument

After this patch which restores the platform component:
:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: CLASSD [CLASSD], device 0: CLASSD PCM snd-soc-dummy-dai-0
						[CLASSD PCM snd-soc-dummy-dai-0]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
-> Resolve the playback error.

Fixes: 2f650f87c03c ("ASoC: atmel: remove unnecessary dai_link->platform")
Signed-off-by: Andrei Simion <andrei.simion@microchip.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://msgid.link/r/20240604101030.237792-1-andrei.simion@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/atmel/atmel-classd.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index 6aed1ee443b44..ba314b2799190 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -473,19 +473,22 @@ static int atmel_classd_asoc_card_init(struct device *dev,
 	if (!dai_link)
 		return -ENOMEM;
 
-	comp = devm_kzalloc(dev, sizeof(*comp), GFP_KERNEL);
+	comp = devm_kzalloc(dev, 2 * sizeof(*comp), GFP_KERNEL);
 	if (!comp)
 		return -ENOMEM;
 
-	dai_link->cpus		= comp;
+	dai_link->cpus		= &comp[0];
 	dai_link->codecs	= &snd_soc_dummy_dlc;
+	dai_link->platforms	= &comp[1];
 
 	dai_link->num_cpus	= 1;
 	dai_link->num_codecs	= 1;
+	dai_link->num_platforms = 1;
 
 	dai_link->name			= "CLASSD";
 	dai_link->stream_name		= "CLASSD PCM";
 	dai_link->cpus->dai_name	= dev_name(dev);
+	dai_link->platforms->name	= dev_name(dev);
 
 	card->dai_link	= dai_link;
 	card->num_links	= 1;
-- 
2.43.0

[PATCH 6.9 019/222] workqueue: Increase worker descs length to 32

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wenchao Hao <haowenchao22@gmail.com>

[ Upstream commit 231035f18d6b80e5c28732a20872398116a54ecd ]

Commit 31c89007285d ("workqueue.c: Increase workqueue name length")
increased WQ_NAME_LEN from 24 to 32, but forget to increase
WORKER_DESC_LEN, which would cause truncation when setting kworker's
desc from workqueue_struct's name, process_one_work() for example.

Fixes: 31c89007285d ("workqueue.c: Increase workqueue name length")

Signed-off-by: Wenchao Hao <haowenchao22@gmail.com>
CC: Audra Mitchell <audra@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/workqueue.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 158784dd189ab..72031fa804147 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -92,7 +92,7 @@ enum wq_misc_consts {
 	WORK_BUSY_RUNNING	= 1 << 1,
 
 	/* maximum string length for set_worker_desc() */
-	WORKER_DESC_LEN		= 24,
+	WORKER_DESC_LEN		= 32,
 };
 
 /* Convenience constants - of type 'unsigned long', not 'enum'! */
-- 
2.43.0

[PATCH 6.9 020/222] ASoC: q6apm-lpass-dai: close graph on prepare errors

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

[ Upstream commit be1fae62cf253a5b67526cee9fbc07689b97c125 ]

There is an issue around with error handling and graph management with
the exising code, none of the error paths close the graph, which result in
leaving the loaded graph in dsp, however the driver thinks otherwise.

This can have a nasty side effect specially when we try to load the same
graph to dsp, dsp returns error which leaves the board with no sound and
requires restart.

Fix this by properly closing the graph when we hit errors between
open and close.

Fixes: 30ad723b93ad ("ASoC: qdsp6: audioreach: add q6apm lpass dai support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # X13s
Link: https://lore.kernel.org/r/20240613-q6apm-fixes-v1-1-d88953675ab3@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 32 +++++++++++++++----------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
index 68a38f63a2dbf..66b911b49e3f4 100644
--- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
+++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
@@ -141,14 +141,17 @@ static void q6apm_lpass_dai_shutdown(struct snd_pcm_substream *substream, struct
 	struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev);
 	int rc;
 
-	if (!dai_data->is_port_started[dai->id])
-		return;
-	rc = q6apm_graph_stop(dai_data->graph[dai->id]);
-	if (rc < 0)
-		dev_err(dai->dev, "fail to close APM port (%d)\n", rc);
+	if (dai_data->is_port_started[dai->id]) {
+		rc = q6apm_graph_stop(dai_data->graph[dai->id]);
+		dai_data->is_port_started[dai->id] = false;
+		if (rc < 0)
+			dev_err(dai->dev, "fail to close APM port (%d)\n", rc);
+	}
 
-	q6apm_graph_close(dai_data->graph[dai->id]);
-	dai_data->is_port_started[dai->id] = false;
+	if (dai_data->graph[dai->id]) {
+		q6apm_graph_close(dai_data->graph[dai->id]);
+		dai_data->graph[dai->id] = NULL;
+	}
 }
 
 static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
@@ -163,8 +166,10 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct s
 		q6apm_graph_stop(dai_data->graph[dai->id]);
 		dai_data->is_port_started[dai->id] = false;
 
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 			q6apm_graph_close(dai_data->graph[dai->id]);
+			dai_data->graph[dai->id] = NULL;
+		}
 	}
 
 	/**
@@ -183,26 +188,29 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct s
 
 	cfg->direction = substream->stream;
 	rc = q6apm_graph_media_format_pcm(dai_data->graph[dai->id], cfg);
-
 	if (rc) {
 		dev_err(dai->dev, "Failed to set media format %d\n", rc);
-		return rc;
+		goto err;
 	}
 
 	rc = q6apm_graph_prepare(dai_data->graph[dai->id]);
 	if (rc) {
 		dev_err(dai->dev, "Failed to prepare Graph %d\n", rc);
-		return rc;
+		goto err;
 	}
 
 	rc = q6apm_graph_start(dai_data->graph[dai->id]);
 	if (rc < 0) {
 		dev_err(dai->dev, "fail to start APM port %x\n", dai->id);
-		return rc;
+		goto err;
 	}
 	dai_data->is_port_started[dai->id] = true;
 
 	return 0;
+err:
+	q6apm_graph_close(dai_data->graph[dai->id]);
+	dai_data->graph[dai->id] = NULL;
+	return rc;
 }
 
 static int q6apm_lpass_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
-- 
2.43.0

[PATCH 6.9 021/222] bpf: Add missed var_off setting in set_sext32_default_val()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yonghong Song <yonghong.song@linux.dev>

[ Upstream commit 380d5f89a4815ff88461a45de2fb6f28533df708 ]

Zac reported a verification failure and Alexei reproduced the issue
with a simple reproducer ([1]). The verification failure is due to missed
setting for var_off.

The following is the reproducer in [1]:
  0: R1=ctx() R10=fp0
  0: (71) r3 = *(u8 *)(r10 -387)        ;
     R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=255,var_off=(0x0; 0xff)) R10=fp0
  1: (bc) w7 = (s8)w3                   ;
     R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=255,var_off=(0x0; 0xff))
     R7_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=127,var_off=(0x0; 0x7f))
  2: (36) if w7 >= 0x2533823b goto pc-3
     mark_precise: frame0: last_idx 2 first_idx 0 subseq_idx -1
     mark_precise: frame0: regs=r7 stack= before 1: (bc) w7 = (s8)w3
     mark_precise: frame0: regs=r3 stack= before 0: (71) r3 = *(u8 *)(r10 -387)
  2: R7_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=127,var_off=(0x0; 0x7f))
  3: (b4) w0 = 0                        ; R0_w=0
  4: (95) exit

Note that after insn 1, the var_off for R7 is (0x0; 0x7f). This is not correct
since upper 24 bits of w7 could be 0 or 1. So correct var_off should be
(0x0; 0xffffffff). Missing var_off setting in set_sext32_default_val() caused later
incorrect analysis in zext_32_to_64(dst_reg) and reg_bounds_sync(dst_reg).

To fix the issue, set var_off correctly in set_sext32_default_val(). The correct
reg state after insn 1 becomes:
  1: (bc) w7 = (s8)w3                   ;
     R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=255,var_off=(0x0; 0xff))
     R7_w=scalar(smin=0,smax=umax=0xffffffff,smin32=-128,smax32=127,var_off=(0x0; 0xffffffff))
and at insn 2, the verifier correctly determines either branch is possible.

  [1] https://lore.kernel.org/bpf/CAADnVQLPU0Shz7dWV4bn2BgtGdxN3uFHPeobGBA72tpg5Xoykw@mail.gmail.com/

Fixes: 8100928c8814 ("bpf: Support new sign-extension mov insns")
Reported-by: Zac Ecob <zacecob@protonmail.com>
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240615174626.3994813-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/verifier.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 0ef18ae40bc5a..4ad77ed8059e4 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6223,6 +6223,7 @@ static void set_sext32_default_val(struct bpf_reg_state *reg, int size)
 	}
 	reg->u32_min_value = 0;
 	reg->u32_max_value = U32_MAX;
+	reg->var_off = tnum_subreg(tnum_unknown);
 }
 
 static void coerce_subreg_to_size_sx(struct bpf_reg_state *reg, int size)
-- 
2.43.0

[PATCH 6.9 022/222] bpf: Add missed var_off setting in coerce_subreg_to_size_sx()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yonghong Song <yonghong.song@linux.dev>

[ Upstream commit 44b7f7151dfc2e0947f39ed4b9bc4b0c2ccd46fc ]

In coerce_subreg_to_size_sx(), for the case where upper
sign extension bits are the same for smax32 and smin32
values, we missed to setup properly. This is especially
problematic if both smax32 and smin32's sign extension
bits are 1.

The following is a simple example illustrating the inconsistent
verifier states due to missed var_off:

  0: (85) call bpf_get_prandom_u32#7    ; R0_w=scalar()
  1: (bf) r3 = r0                       ; R0_w=scalar(id=1) R3_w=scalar(id=1)
  2: (57) r3 &= 15                      ; R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=15,var_off=(0x0; 0xf))
  3: (47) r3 |= 128                     ; R3_w=scalar(smin=umin=smin32=umin32=128,smax=umax=smax32=umax32=143,var_off=(0x80; 0xf))
  4: (bc) w7 = (s8)w3
  REG INVARIANTS VIOLATION (alu): range bounds violation u64=[0xffffff80, 0x8f] s64=[0xffffff80, 0x8f]
    u32=[0xffffff80, 0x8f] s32=[0x80, 0xffffff8f] var_off=(0x80, 0xf)

The var_off=(0x80, 0xf) is not correct, and the correct one should
be var_off=(0xffffff80; 0xf) since from insn 3, we know that at
insn 4, the sign extension bits will be 1. This patch fixed this
issue by setting var_off properly.

Fixes: 8100928c8814 ("bpf: Support new sign-extension mov insns")
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240615174632.3995278-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/verifier.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 4ad77ed8059e4..add5ccbe87523 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6268,6 +6268,7 @@ static void coerce_subreg_to_size_sx(struct bpf_reg_state *reg, int size)
 		reg->s32_max_value = s32_max;
 		reg->u32_min_value = (u32)s32_min;
 		reg->u32_max_value = (u32)s32_max;
+		reg->var_off = tnum_subreg(tnum_range(s32_min, s32_max));
 		return;
 	}
 
-- 
2.43.0

[PATCH 6.9 023/222] s390/pci: Add missing virt_to_phys() for directed DIBV

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Niklas Schnelle <schnelle@linux.ibm.com>

[ Upstream commit 4181b51c38875de9f6f11248fa0bcf3246c19c82 ]

In commit 4e4dc65ab578 ("s390/pci: use phys_to_virt() for AIBVs/DIBVs")
the setting of dibv_addr was missed when adding virt_to_phys(). This
only affects systems with directed interrupt delivery enabled which are
not generally available.

Fixes: 4e4dc65ab578 ("s390/pci: use phys_to_virt() for AIBVs/DIBVs")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/pci/pci_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c
index ff8f24854c646..0ef83b6ac0db7 100644
--- a/arch/s390/pci/pci_irq.c
+++ b/arch/s390/pci/pci_irq.c
@@ -410,7 +410,7 @@ static void __init cpu_enable_directed_irq(void *unused)
 	union zpci_sic_iib iib = {{0}};
 	union zpci_sic_iib ziib = {{0}};
 
-	iib.cdiib.dibv_addr = (u64) zpci_ibv[smp_processor_id()]->vector;
+	iib.cdiib.dibv_addr = virt_to_phys(zpci_ibv[smp_processor_id()]->vector);
 
 	zpci_set_irq_ctrl(SIC_IRQ_MODE_SET_CPU, 0, &iib);
 	zpci_set_irq_ctrl(SIC_IRQ_MODE_D_SINGLE, PCI_ISC, &ziib);
-- 
2.43.0

[PATCH 6.9 024/222] s390/virtio_ccw: Fix config change notifications

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Halil Pasic <pasic@linux.ibm.com>

[ Upstream commit d8354a1de2c4cc693812f6130fc922537a59217d ]

Commit e3e9bda38e6d ("s390/virtio_ccw: use DMA handle from DMA API")
broke configuration change notifications for virtio-ccw by putting the
DMA address of *indicatorp directly into ccw->cda disregarding the fact
that if !!(vcdev->is_thinint) then the function
virtio_ccw_register_adapter_ind() will overwrite that ccw->cda value
with the address of the virtio_thinint_area so it can actually set up
the adapter interrupts via CCW_CMD_SET_IND_ADAPTER.  Thus we end up
pointing to the wrong object for both CCW_CMD_SET_IND if setting up the
adapter interrupts fails, and for CCW_CMD_SET_CONF_IND regardless
whether it succeeds or fails.

To fix this, let us save away the dma address of *indicatorp in a local
variable, and copy it to ccw->cda after the "vcdev->is_thinint" branch.

Fixes: e3e9bda38e6d ("s390/virtio_ccw: use DMA handle from DMA API")
Reported-by: Boqiao Fu <bfu@redhat.com>
Reported-by: Sebastian Mitterle <smitterl@redhat.com>
Closes: https://issues.redhat.com/browse/RHEL-39983
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Link: https://lore.kernel.org/r/20240611214716.1002781-1-pasic@linux.ibm.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/virtio/virtio_ccw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index d7569f3955591..d6491fc84e8c5 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -698,6 +698,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
 	dma64_t *indicatorp = NULL;
 	int ret, i, queue_idx = 0;
 	struct ccw1 *ccw;
+	dma32_t indicatorp_dma = 0;
 
 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw), NULL);
 	if (!ccw)
@@ -725,7 +726,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
 	*/
 	indicatorp = ccw_device_dma_zalloc(vcdev->cdev,
 					   sizeof(*indicatorp),
-					   &ccw->cda);
+					   &indicatorp_dma);
 	if (!indicatorp)
 		goto out;
 	*indicatorp = indicators_dma(vcdev);
@@ -735,6 +736,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
 			/* no error, just fall back to legacy interrupts */
 			vcdev->is_thinint = false;
 	}
+	ccw->cda = indicatorp_dma;
 	if (!vcdev->is_thinint) {
 		/* Register queue indicators with host. */
 		*indicators(vcdev) = 0;
-- 
2.43.0

[PATCH 6.9 025/222] bpf: Fix remap of arena.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexei Starovoitov <ast@kernel.org>

[ Upstream commit b90d77e5fd784ada62ddd714d15ee2400c28e1cf ]

The bpf arena logic didn't account for mremap operation. Add a refcnt for
multiple mmap events to prevent use-after-free in arena_vm_close.

Fixes: 317460317a02 ("bpf: Introduce bpf_arena.")
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Barret Rhoden <brho@google.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Closes: https://lore.kernel.org/bpf/Zmuw29IhgyPNKnIM@xpf.sh.intel.com
Link: https://lore.kernel.org/bpf/20240617171812.76634-1-alexei.starovoitov@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/arena.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/arena.c b/kernel/bpf/arena.c
index 343c3456c8ddf..a59ae9c582253 100644
--- a/kernel/bpf/arena.c
+++ b/kernel/bpf/arena.c
@@ -212,6 +212,7 @@ static u64 arena_map_mem_usage(const struct bpf_map *map)
 struct vma_list {
 	struct vm_area_struct *vma;
 	struct list_head head;
+	atomic_t mmap_count;
 };
 
 static int remember_vma(struct bpf_arena *arena, struct vm_area_struct *vma)
@@ -221,20 +222,30 @@ static int remember_vma(struct bpf_arena *arena, struct vm_area_struct *vma)
 	vml = kmalloc(sizeof(*vml), GFP_KERNEL);
 	if (!vml)
 		return -ENOMEM;
+	atomic_set(&vml->mmap_count, 1);
 	vma->vm_private_data = vml;
 	vml->vma = vma;
 	list_add(&vml->head, &arena->vma_list);
 	return 0;
 }
 
+static void arena_vm_open(struct vm_area_struct *vma)
+{
+	struct vma_list *vml = vma->vm_private_data;
+
+	atomic_inc(&vml->mmap_count);
+}
+
 static void arena_vm_close(struct vm_area_struct *vma)
 {
 	struct bpf_map *map = vma->vm_file->private_data;
 	struct bpf_arena *arena = container_of(map, struct bpf_arena, map);
-	struct vma_list *vml;
+	struct vma_list *vml = vma->vm_private_data;
 
+	if (!atomic_dec_and_test(&vml->mmap_count))
+		return;
 	guard(mutex)(&arena->lock);
-	vml = vma->vm_private_data;
+	/* update link list under lock */
 	list_del(&vml->head);
 	vma->vm_private_data = NULL;
 	kfree(vml);
@@ -287,6 +298,7 @@ static vm_fault_t arena_vm_fault(struct vm_fault *vmf)
 }
 
 static const struct vm_operations_struct arena_vm_ops = {
+	.open		= arena_vm_open,
 	.close		= arena_vm_close,
 	.fault          = arena_vm_fault,
 };
-- 
2.43.0

[PATCH 6.9 026/222] ASoC: amd: acp: add a null check for chip_pdev structure

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>

[ Upstream commit 98d919dfee1cc402ca29d45da642852d7c9a2301 ]

When acp platform device creation is skipped, chip->chip_pdev value will
remain NULL. Add NULL check for chip->chip_pdev structure in
snd_acp_resume() function to avoid null pointer dereference.

Fixes: 088a40980efb ("ASoC: amd: acp: add pm ops support for acp pci driver")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240617072844.871468-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/amd/acp/acp-pci.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c
index ad320b29e87dc..aa3e72d134518 100644
--- a/sound/soc/amd/acp/acp-pci.c
+++ b/sound/soc/amd/acp/acp-pci.c
@@ -199,10 +199,12 @@ static int __maybe_unused snd_acp_resume(struct device *dev)
 	ret = acp_init(chip);
 	if (ret)
 		dev_err(dev, "ACP init failed\n");
-	child = chip->chip_pdev->dev;
-	adata = dev_get_drvdata(&child);
-	if (adata)
-		acp_enable_interrupts(adata);
+	if (chip->chip_pdev) {
+		child = chip->chip_pdev->dev;
+		adata = dev_get_drvdata(&child);
+		if (adata)
+			acp_enable_interrupts(adata);
+	}
 	return ret;
 }
 
-- 
2.43.0

[PATCH 6.9 027/222] ASoC: amd: acp: remove i2s configuration check in acp_i2s_probe()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>

[ Upstream commit 70fa3900c3ed92158628710e81d274e5cb52f92b ]

ACP supports different pin configurations for I2S IO. Checking ACP pin
configuration value against specific value breaks the functionality for
other I2S pin configurations. This check is no longer required in i2s dai
driver probe call as i2s configuration check will be verified during acp
platform device creation sequence.
Remove i2s_mode check in acp_i2s_probe() function.

Fixes: b24484c18b10 ("ASoC: amd: acp: ACP code generic to support newer platforms")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240617072844.871468-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/amd/acp/acp-i2s.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index 60cbc881be6e1..ef12f97ddc69e 100644
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -588,20 +588,12 @@ static int acp_i2s_probe(struct snd_soc_dai *dai)
 {
 	struct device *dev = dai->component->dev;
 	struct acp_dev_data *adata = dev_get_drvdata(dev);
-	struct acp_resource *rsrc = adata->rsrc;
-	unsigned int val;
 
 	if (!adata->acp_base) {
 		dev_err(dev, "I2S base is NULL\n");
 		return -EINVAL;
 	}
 
-	val = readl(adata->acp_base + rsrc->i2s_pin_cfg_offset);
-	if (val != rsrc->i2s_mode) {
-		dev_err(dev, "I2S Mode not supported val %x\n", val);
-		return -EINVAL;
-	}
-
 	return 0;
 }
 
-- 
2.43.0

[PATCH 6.9 028/222] ASoC: amd: acp: move chip->flag variable assignment

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>

[ Upstream commit 379bcd2c9197bf2c429434e8a01cea0ee1852316 ]

chip->flag variable assignment will be skipped when acp platform device
creation is skipped. In this case chip>flag value will not be set.
chip->flag variable should be assigned along with other structure
variables for 'chip' structure. Move chip->flag variable assignment
prior to acp platform device creation.

Fixes: 3a94c8ad0aae ("ASoC: amd: acp: add code for scanning acp pdm controller")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240617072844.871468-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/amd/acp/acp-pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c
index aa3e72d134518..777b5a78d8a9e 100644
--- a/sound/soc/amd/acp/acp-pci.c
+++ b/sound/soc/amd/acp/acp-pci.c
@@ -100,6 +100,7 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
 		ret = -EINVAL;
 		goto release_regions;
 	}
+	chip->flag = flag;
 	dmic_dev = platform_device_register_data(dev, "dmic-codec", PLATFORM_DEVID_NONE, NULL, 0);
 	if (IS_ERR(dmic_dev)) {
 		dev_err(dev, "failed to create DMIC device\n");
@@ -139,7 +140,6 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
 		}
 	}
 
-	chip->flag = flag;
 	memset(&pdevinfo, 0, sizeof(pdevinfo));
 
 	pdevinfo.name = chip->name;
-- 
2.43.0

[PATCH 6.9 029/222] ASoC: fsl-asoc-card: set priv->pdev before using it

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Elinor Montmasson <elinor.montmasson@savoirfairelinux.com>

[ Upstream commit 90f3feb24172185f1832636264943e8b5e289245 ]

priv->pdev pointer was set after being used in
fsl_asoc_card_audmux_init().
Move this assignment at the start of the probe function, so
sub-functions can correctly use pdev through priv.

fsl_asoc_card_audmux_init() dereferences priv->pdev to get access to the
dev struct, used with dev_err macros.
As priv is zero-initialised, there would be a NULL pointer dereference.
Note that if priv->dev is dereferenced before assignment but never used,
for example if there is no error to be printed, the driver won't crash
probably due to compiler optimisations.

Fixes: 708b4351f08c ("ASoC: fsl: Add Freescale Generic ASoC Sound Card with ASRC support")
Signed-off-by: Elinor Montmasson <elinor.montmasson@savoirfairelinux.com>
Link: https://patch.msgid.link/20240620132511.4291-2-elinor.montmasson@savoirfairelinux.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/fsl/fsl-asoc-card.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index bc07f26ba303f..e5ba256b3de22 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -558,6 +558,8 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
+	priv->pdev = pdev;
+
 	cpu_np = of_parse_phandle(np, "audio-cpu", 0);
 	/* Give a chance to old DT binding */
 	if (!cpu_np)
@@ -780,7 +782,6 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 	}
 
 	/* Initialize sound card */
-	priv->pdev = pdev;
 	priv->card.dev = &pdev->dev;
 	priv->card.owner = THIS_MODULE;
 	ret = snd_soc_of_parse_card_name(&priv->card, "model");
-- 
2.43.0

[PATCH 6.9 030/222] net: dsa: microchip: fix initial port flush problem

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tristram Ha <tristram.ha@microchip.com>

[ Upstream commit ad53f5f54f351e967128edbc431f0f26427172cf ]

The very first flush in any port will flush all learned addresses in all
ports.  This can be observed by unplugging the cable from one port while
additional ports are connected and dumping the fdb entries.

This problem is caused by the initially wrong value programmed to the
REG_SW_LUE_CTRL_1 register.  Setting SW_FLUSH_STP_TABLE and
SW_FLUSH_MSTP_TABLE bits does not have an immediate effect.  It is when
ksz9477_flush_dyn_mac_table() is called then the SW_FLUSH_STP_TABLE bit
takes effect and flushes all learned entries.  After that call both bits
are reset and so the next port flush will not cause such problem again.

Fixes: b987e98e50ab ("dsa: add DSA switch driver for Microchip KSZ9477")
Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Link: https://patch.msgid.link/1718756202-2731-1-git-send-email-Tristram.Ha@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/microchip/ksz9477.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 7f745628c84d1..05767d3025f77 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -355,10 +355,8 @@ int ksz9477_reset_switch(struct ksz_device *dev)
 			   SPI_AUTO_EDGE_DETECTION, 0);
 
 	/* default configuration */
-	ksz_read8(dev, REG_SW_LUE_CTRL_1, &data8);
-	data8 = SW_AGING_ENABLE | SW_LINK_AUTO_AGING |
-	      SW_SRC_ADDR_FILTER | SW_FLUSH_STP_TABLE | SW_FLUSH_MSTP_TABLE;
-	ksz_write8(dev, REG_SW_LUE_CTRL_1, data8);
+	ksz_write8(dev, REG_SW_LUE_CTRL_1,
+		   SW_AGING_ENABLE | SW_LINK_AUTO_AGING | SW_SRC_ADDR_FILTER);
 
 	/* disable interrupts */
 	ksz_write32(dev, REG_SW_INT_MASK__4, SWITCH_INT_MASK);
-- 
2.43.0

[PATCH 6.9 031/222] openvswitch: get related ct labels from its master if it is not confirmed

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Xin Long <lucien.xin@gmail.com>

[ Upstream commit a23ac973f67f37e77b3c634e8b1ad5b0164fcc1f ]

Ilya found a failure in running check-kernel tests with at_groups=144
(144: conntrack - FTP SNAT orig tuple) in OVS repo. After his further
investigation, the root cause is that the labels sent to userspace
for related ct are incorrect.

The labels for unconfirmed related ct should use its master's labels.
However, the changes made in commit 8c8b73320805 ("openvswitch: set
IPS_CONFIRMED in tmpl status only when commit is set in conntrack")
led to getting labels from this related ct.

So fix it in ovs_ct_get_labels() by changing to copy labels from its
master ct if it is a unconfirmed related ct. Note that there is no
fix needed for ct->mark, as it was already copied from its master
ct for related ct in init_conntrack().

Fixes: 8c8b73320805 ("openvswitch: set IPS_CONFIRMED in tmpl status only when commit is set in conntrack")
Reported-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Ilya Maximets <i.maximets@ovn.org>
Tested-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/openvswitch/conntrack.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 2928c142a2ddb..3b980bf2770bb 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -168,8 +168,13 @@ static u32 ovs_ct_get_mark(const struct nf_conn *ct)
 static void ovs_ct_get_labels(const struct nf_conn *ct,
 			      struct ovs_key_ct_labels *labels)
 {
-	struct nf_conn_labels *cl = ct ? nf_ct_labels_find(ct) : NULL;
+	struct nf_conn_labels *cl = NULL;
 
+	if (ct) {
+		if (ct->master && !nf_ct_is_confirmed(ct))
+			ct = ct->master;
+		cl = nf_ct_labels_find(ct);
+	}
 	if (cl)
 		memcpy(labels, cl->bits, OVS_CT_LABELS_LEN);
 	else
-- 
2.43.0

[PATCH 6.9 032/222] bonding: fix incorrect software timestamping report

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hangbin Liu <liuhangbin@gmail.com>

[ Upstream commit a95b031c6796bf9972da2d4b4b524a57734f3a0a ]

The __ethtool_get_ts_info function returns directly if the device has a
get_ts_info() method. For bonding with an active slave, this works correctly
as we simply return the real device's timestamping information. However,
when there is no active slave, we only check the slave's TX software
timestamp information. We still need to set the phc index and RX timestamp
information manually. Otherwise, the result will be look like:

  Time stamping parameters for bond0:
  Capabilities:
          software-transmit
  PTP Hardware Clock: 0
  Hardware Transmit Timestamp Modes: none
  Hardware Receive Filter Modes: none

This issue does not affect VLAN or MACVLAN devices, as they only have one
downlink and can directly use the downlink's timestamping information.

Fixes: b8768dc40777 ("net: ethtool: Refactor identical get_ts_info implementations.")
Reported-by: Liang Li <liali@redhat.com>
Closes: https://issues.redhat.com/browse/RHEL-42409
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/bonding/bond_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index bceda85f0dcf6..cb66310c8d76b 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5773,6 +5773,9 @@ static int bond_ethtool_get_ts_info(struct net_device *bond_dev,
 	if (real_dev) {
 		ret = ethtool_get_ts_info_by_layer(real_dev, info);
 	} else {
+		info->phc_index = -1;
+		info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+					SOF_TIMESTAMPING_SOFTWARE;
 		/* Check if all slaves support software tx timestamping */
 		rcu_read_lock();
 		bond_for_each_slave_rcu(bond, slave, iter) {
-- 
2.43.0

[PATCH 6.9 033/222] ionic: fix kernel panic due to multi-buffer handling

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Taehee Yoo <ap420073@gmail.com>

[ Upstream commit e3f02f32a05009a688a87f5799e049ed6b55bab5 ]

Currently, the ionic_run_xdp() doesn't handle multi-buffer packets
properly for XDP_TX and XDP_REDIRECT.
When a jumbo frame is received, the ionic_run_xdp() first makes xdp
frame with all necessary pages in the rx descriptor.
And if the action is either XDP_TX or XDP_REDIRECT, it should unmap
dma-mapping and reset page pointer to NULL for all pages, not only the
first page.
But it doesn't for SG pages. So, SG pages unexpectedly will be reused.
It eventually causes kernel panic.

Oops: general protection fault, probably for non-canonical address 0x504f4e4dbebc64ff: 0000 [#1] PREEMPT SMP NOPTI
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 6.10.0-rc3+ #25
RIP: 0010:xdp_return_frame+0x42/0x90
Code: 01 75 12 5b 4c 89 e6 5d 31 c9 41 5c 31 d2 41 5d e9 73 fd ff ff 44 8b 6b 20 0f b7 43 0a 49 81 ed 68 01 00 00 49 29 c5 49 01 fd <41> 80 7d0
RSP: 0018:ffff99d00122ce08 EFLAGS: 00010202
RAX: 0000000000005453 RBX: ffff8d325f904000 RCX: 0000000000000001
RDX: 00000000670e1000 RSI: 000000011f90d000 RDI: 504f4e4d4c4b4a49
RBP: ffff99d003907740 R08: 0000000000000000 R09: 0000000000000000
R10: 000000011f90d000 R11: 0000000000000000 R12: ffff8d325f904010
R13: 504f4e4dbebc64fd R14: ffff8d3242b070c8 R15: ffff99d0039077c0
FS:  0000000000000000(0000) GS:ffff8d399f780000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f41f6c85e38 CR3: 000000037ac30000 CR4: 00000000007506f0
PKRU: 55555554
Call Trace:
 <IRQ>
 ? die_addr+0x33/0x90
 ? exc_general_protection+0x251/0x2f0
 ? asm_exc_general_protection+0x22/0x30
 ? xdp_return_frame+0x42/0x90
 ionic_tx_clean+0x211/0x280 [ionic 15881354510e6a9c655c59c54812b319ed2cd015]
 ionic_tx_cq_service+0xd3/0x210 [ionic 15881354510e6a9c655c59c54812b319ed2cd015]
 ionic_txrx_napi+0x41/0x1b0 [ionic 15881354510e6a9c655c59c54812b319ed2cd015]
 __napi_poll.constprop.0+0x29/0x1b0
 net_rx_action+0x2c4/0x350
 handle_softirqs+0xf4/0x320
 irq_exit_rcu+0x78/0xa0
 common_interrupt+0x77/0x90

Fixes: 5377805dc1c0 ("ionic: implement xdp frags support")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/ethernet/pensando/ionic/ionic_txrx.c  | 27 ++++++++++++-------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index 2427610f4306d..aed7d9cbce038 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -480,6 +480,20 @@ int ionic_xdp_xmit(struct net_device *netdev, int n,
 	return nxmit;
 }
 
+static void ionic_xdp_rx_put_bufs(struct ionic_queue *q,
+				  struct ionic_buf_info *buf_info,
+				  int nbufs)
+{
+	int i;
+
+	for (i = 0; i < nbufs; i++) {
+		dma_unmap_page(q->dev, buf_info->dma_addr,
+			       IONIC_PAGE_SIZE, DMA_FROM_DEVICE);
+		buf_info->page = NULL;
+		buf_info++;
+	}
+}
+
 static bool ionic_run_xdp(struct ionic_rx_stats *stats,
 			  struct net_device *netdev,
 			  struct bpf_prog *xdp_prog,
@@ -493,6 +507,7 @@ static bool ionic_run_xdp(struct ionic_rx_stats *stats,
 	struct netdev_queue *nq;
 	struct xdp_frame *xdpf;
 	int remain_len;
+	int nbufs = 1;
 	int frag_len;
 	int err = 0;
 
@@ -542,6 +557,7 @@ static bool ionic_run_xdp(struct ionic_rx_stats *stats,
 			if (page_is_pfmemalloc(bi->page))
 				xdp_buff_set_frag_pfmemalloc(&xdp_buf);
 		} while (remain_len > 0);
+		nbufs += sinfo->nr_frags;
 	}
 
 	xdp_action = bpf_prog_run_xdp(xdp_prog, &xdp_buf);
@@ -574,9 +590,6 @@ static bool ionic_run_xdp(struct ionic_rx_stats *stats,
 			goto out_xdp_abort;
 		}
 
-		dma_unmap_page(rxq->dev, buf_info->dma_addr,
-			       IONIC_PAGE_SIZE, DMA_FROM_DEVICE);
-
 		err = ionic_xdp_post_frame(txq, xdpf, XDP_TX,
 					   buf_info->page,
 					   buf_info->page_offset,
@@ -586,23 +599,19 @@ static bool ionic_run_xdp(struct ionic_rx_stats *stats,
 			netdev_dbg(netdev, "tx ionic_xdp_post_frame err %d\n", err);
 			goto out_xdp_abort;
 		}
-		buf_info->page = NULL;
+		ionic_xdp_rx_put_bufs(rxq, buf_info, nbufs);
 		stats->xdp_tx++;
 
 		/* the Tx completion will free the buffers */
 		break;
 
 	case XDP_REDIRECT:
-		/* unmap the pages before handing them to a different device */
-		dma_unmap_page(rxq->dev, buf_info->dma_addr,
-			       IONIC_PAGE_SIZE, DMA_FROM_DEVICE);
-
 		err = xdp_do_redirect(netdev, &xdp_buf, xdp_prog);
 		if (err) {
 			netdev_dbg(netdev, "xdp_do_redirect err %d\n", err);
 			goto out_xdp_abort;
 		}
-		buf_info->page = NULL;
+		ionic_xdp_rx_put_bufs(rxq, buf_info, nbufs);
 		rxq->xdp_flush = true;
 		stats->xdp_redirect++;
 		break;
-- 
2.43.0

[PATCH 6.9 034/222] mlxsw: pci: Fix driver initialization with Spectrum-4

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ido Schimmel <idosch@nvidia.com>

[ Upstream commit 0602697d6f4d72b0bc5edbc76afabf6aaa029a69 ]

Cited commit added support for a new reset flow ("all reset") which is
deeper than the existing reset flow ("software reset") and allows the
device's PCI firmware to be upgraded.

In the new flow the driver first tells the firmware that "all reset" is
required by issuing a new reset command (i.e., MRSR.command=6) and then
triggers the reset by having the PCI core issue a secondary bus reset
(SBR).

However, due to a race condition in the device's firmware the device is
not always able to recover from this reset, resulting in initialization
failures [1].

New firmware versions include a fix for the bug and advertise it using a
new capability bit in the Management Capabilities Mask (MCAM) register.

Avoid initialization failures by reading the new capability bit and
triggering the new reset flow only if the bit is set. If the bit is not
set, trigger a normal PCI hot reset by skipping the call to the
Management Reset and Shutdown Register (MRSR).

Normal PCI hot reset is weaker than "all reset", but it results in a
fully operational driver and allows users to flash a new firmware, if
they want to.

[1]
mlxsw_spectrum4 0000:01:00.0: not ready 1023ms after bus reset; waiting
mlxsw_spectrum4 0000:01:00.0: not ready 2047ms after bus reset; waiting
mlxsw_spectrum4 0000:01:00.0: not ready 4095ms after bus reset; waiting
mlxsw_spectrum4 0000:01:00.0: not ready 8191ms after bus reset; waiting
mlxsw_spectrum4 0000:01:00.0: not ready 16383ms after bus reset; waiting
mlxsw_spectrum4 0000:01:00.0: not ready 32767ms after bus reset; waiting
mlxsw_spectrum4 0000:01:00.0: not ready 65535ms after bus reset; giving up
mlxsw_spectrum4 0000:01:00.0: PCI function reset failed with -25
mlxsw_spectrum4 0000:01:00.0: cannot register bus device
mlxsw_spectrum4: probe of 0000:01:00.0 failed with error -25

Fixes: f257c73e5356 ("mlxsw: pci: Add support for new reset flow")
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Maksym Yaremchuk <maksymy@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mellanox/mlxsw/pci.c | 18 +++++++++++++++---
 drivers/net/ethernet/mellanox/mlxsw/reg.h |  2 ++
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index f42a1b1c93687..653a47dd43862 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -1490,18 +1490,25 @@ static int mlxsw_pci_sys_ready_wait(struct mlxsw_pci *mlxsw_pci,
 	return -EBUSY;
 }
 
-static int mlxsw_pci_reset_at_pci_disable(struct mlxsw_pci *mlxsw_pci)
+static int mlxsw_pci_reset_at_pci_disable(struct mlxsw_pci *mlxsw_pci,
+					  bool pci_reset_sbr_supported)
 {
 	struct pci_dev *pdev = mlxsw_pci->pdev;
 	char mrsr_pl[MLXSW_REG_MRSR_LEN];
 	int err;
 
+	if (!pci_reset_sbr_supported) {
+		pci_dbg(pdev, "Performing PCI hot reset instead of \"all reset\"\n");
+		goto sbr;
+	}
+
 	mlxsw_reg_mrsr_pack(mrsr_pl,
 			    MLXSW_REG_MRSR_COMMAND_RESET_AT_PCI_DISABLE);
 	err = mlxsw_reg_write(mlxsw_pci->core, MLXSW_REG(mrsr), mrsr_pl);
 	if (err)
 		return err;
 
+sbr:
 	device_lock_assert(&pdev->dev);
 
 	pci_cfg_access_lock(pdev);
@@ -1529,6 +1536,7 @@ static int
 mlxsw_pci_reset(struct mlxsw_pci *mlxsw_pci, const struct pci_device_id *id)
 {
 	struct pci_dev *pdev = mlxsw_pci->pdev;
+	bool pci_reset_sbr_supported = false;
 	char mcam_pl[MLXSW_REG_MCAM_LEN];
 	bool pci_reset_supported = false;
 	u32 sys_status;
@@ -1548,13 +1556,17 @@ mlxsw_pci_reset(struct mlxsw_pci *mlxsw_pci, const struct pci_device_id *id)
 	mlxsw_reg_mcam_pack(mcam_pl,
 			    MLXSW_REG_MCAM_FEATURE_GROUP_ENHANCED_FEATURES);
 	err = mlxsw_reg_query(mlxsw_pci->core, MLXSW_REG(mcam), mcam_pl);
-	if (!err)
+	if (!err) {
 		mlxsw_reg_mcam_unpack(mcam_pl, MLXSW_REG_MCAM_PCI_RESET,
 				      &pci_reset_supported);
+		mlxsw_reg_mcam_unpack(mcam_pl, MLXSW_REG_MCAM_PCI_RESET_SBR,
+				      &pci_reset_sbr_supported);
+	}
 
 	if (pci_reset_supported) {
 		pci_dbg(pdev, "Starting PCI reset flow\n");
-		err = mlxsw_pci_reset_at_pci_disable(mlxsw_pci);
+		err = mlxsw_pci_reset_at_pci_disable(mlxsw_pci,
+						     pci_reset_sbr_supported);
 	} else {
 		pci_dbg(pdev, "Starting software reset flow\n");
 		err = mlxsw_pci_reset_sw(mlxsw_pci);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 8892654c685f3..010eecab5147a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -10668,6 +10668,8 @@ enum mlxsw_reg_mcam_mng_feature_cap_mask_bits {
 	MLXSW_REG_MCAM_MCIA_128B = 34,
 	/* If set, MRSR.command=6 is supported. */
 	MLXSW_REG_MCAM_PCI_RESET = 48,
+	/* If set, MRSR.command=6 is supported with Secondary Bus Reset. */
+	MLXSW_REG_MCAM_PCI_RESET_SBR = 67,
 };
 
 #define MLXSW_REG_BYTES_PER_DWORD 0x4
-- 
2.43.0

[PATCH 6.9 035/222] mlxsw: spectrum_buffers: Fix memory corruptions on Spectrum-4 systems

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ido Schimmel <idosch@nvidia.com>

[ Upstream commit c28947de2bed40217cf256c5d0d16880054fcf13 ]

The following two shared buffer operations make use of the Shared Buffer
Status Register (SBSR):

 # devlink sb occupancy snapshot pci/0000:01:00.0
 # devlink sb occupancy clearmax pci/0000:01:00.0

The register has two masks of 256 bits to denote on which ingress /
egress ports the register should operate on. Spectrum-4 has more than
256 ports, so the register was extended by cited commit with a new
'port_page' field.

However, when filling the register's payload, the driver specifies the
ports as absolute numbers and not relative to the first port of the port
page, resulting in memory corruptions [1].

Fix by specifying the ports relative to the first port of the port page.

[1]
BUG: KASAN: slab-use-after-free in mlxsw_sp_sb_occ_snapshot+0xb6d/0xbc0
Read of size 1 at addr ffff8881068cb00f by task devlink/1566
[...]
Call Trace:
 <TASK>
 dump_stack_lvl+0xc6/0x120
 print_report+0xce/0x670
 kasan_report+0xd7/0x110
 mlxsw_sp_sb_occ_snapshot+0xb6d/0xbc0
 mlxsw_devlink_sb_occ_snapshot+0x75/0xb0
 devlink_nl_sb_occ_snapshot_doit+0x1f9/0x2a0
 genl_family_rcv_msg_doit+0x20c/0x300
 genl_rcv_msg+0x567/0x800
 netlink_rcv_skb+0x170/0x450
 genl_rcv+0x2d/0x40
 netlink_unicast+0x547/0x830
 netlink_sendmsg+0x8d4/0xdb0
 __sys_sendto+0x49b/0x510
 __x64_sys_sendto+0xe5/0x1c0
 do_syscall_64+0xc1/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
[...]
Allocated by task 1:
 kasan_save_stack+0x33/0x60
 kasan_save_track+0x14/0x30
 __kasan_kmalloc+0x8f/0xa0
 copy_verifier_state+0xbc2/0xfb0
 do_check_common+0x2c51/0xc7e0
 bpf_check+0x5107/0x9960
 bpf_prog_load+0xf0e/0x2690
 __sys_bpf+0x1a61/0x49d0
 __x64_sys_bpf+0x7d/0xc0
 do_syscall_64+0xc1/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 1:
 kasan_save_stack+0x33/0x60
 kasan_save_track+0x14/0x30
 kasan_save_free_info+0x3b/0x60
 poison_slab_object+0x109/0x170
 __kasan_slab_free+0x14/0x30
 kfree+0xca/0x2b0
 free_verifier_state+0xce/0x270
 do_check_common+0x4828/0xc7e0
 bpf_check+0x5107/0x9960
 bpf_prog_load+0xf0e/0x2690
 __sys_bpf+0x1a61/0x49d0
 __x64_sys_bpf+0x7d/0xc0
 do_syscall_64+0xc1/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Fixes: f8538aec88b4 ("mlxsw: Add support for more than 256 ports in SBSR register")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../mellanox/mlxsw/spectrum_buffers.c         | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
index c9f1c79f3f9d0..ba090262e27ef 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
@@ -1607,8 +1607,8 @@ static void mlxsw_sp_sb_sr_occ_query_cb(struct mlxsw_core *mlxsw_core,
 int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
 			     unsigned int sb_index)
 {
+	u16 local_port, local_port_1, first_local_port, last_local_port;
 	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
-	u16 local_port, local_port_1, last_local_port;
 	struct mlxsw_sp_sb_sr_occ_query_cb_ctx cb_ctx;
 	u8 masked_count, current_page = 0;
 	unsigned long cb_priv = 0;
@@ -1628,6 +1628,7 @@ int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
 	masked_count = 0;
 	mlxsw_reg_sbsr_pack(sbsr_pl, false);
 	mlxsw_reg_sbsr_port_page_set(sbsr_pl, current_page);
+	first_local_port = current_page * MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE;
 	last_local_port = current_page * MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE +
 			  MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE - 1;
 
@@ -1645,9 +1646,12 @@ int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
 		if (local_port != MLXSW_PORT_CPU_PORT) {
 			/* Ingress quotas are not supported for the CPU port */
 			mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl,
-							     local_port, 1);
+							     local_port - first_local_port,
+							     1);
 		}
-		mlxsw_reg_sbsr_egress_port_mask_set(sbsr_pl, local_port, 1);
+		mlxsw_reg_sbsr_egress_port_mask_set(sbsr_pl,
+						    local_port - first_local_port,
+						    1);
 		for (i = 0; i < mlxsw_sp->sb_vals->pool_count; i++) {
 			err = mlxsw_sp_sb_pm_occ_query(mlxsw_sp, local_port, i,
 						       &bulk_list);
@@ -1684,7 +1688,7 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
 			      unsigned int sb_index)
 {
 	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
-	u16 local_port, last_local_port;
+	u16 local_port, first_local_port, last_local_port;
 	LIST_HEAD(bulk_list);
 	unsigned int masked_count;
 	u8 current_page = 0;
@@ -1702,6 +1706,7 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
 	masked_count = 0;
 	mlxsw_reg_sbsr_pack(sbsr_pl, true);
 	mlxsw_reg_sbsr_port_page_set(sbsr_pl, current_page);
+	first_local_port = current_page * MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE;
 	last_local_port = current_page * MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE +
 			  MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE - 1;
 
@@ -1719,9 +1724,12 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
 		if (local_port != MLXSW_PORT_CPU_PORT) {
 			/* Ingress quotas are not supported for the CPU port */
 			mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl,
-							     local_port, 1);
+							     local_port - first_local_port,
+							     1);
 		}
-		mlxsw_reg_sbsr_egress_port_mask_set(sbsr_pl, local_port, 1);
+		mlxsw_reg_sbsr_egress_port_mask_set(sbsr_pl,
+						    local_port - first_local_port,
+						    1);
 		for (i = 0; i < mlxsw_sp->sb_vals->pool_count; i++) {
 			err = mlxsw_sp_sb_pm_occ_clear(mlxsw_sp, local_port, i,
 						       &bulk_list);
-- 
2.43.0

[PATCH 6.9 036/222] bpf: Fix the corner case with may_goto and jump to the 1st insn.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexei Starovoitov <ast@kernel.org>

[ Upstream commit 5337ac4c9b807bc46baa0713121a0afa8beacd70 ]

When the following program is processed by the verifier:
L1: may_goto L2
    goto L1
L2: w0 = 0
    exit

the may_goto insn is first converted to:
L1: r11 = *(u64 *)(r10 -8)
    if r11 == 0x0 goto L2
    r11 -= 1
    *(u64 *)(r10 -8) = r11
    goto L1
L2: w0 = 0
    exit

then later as the last step the verifier inserts:
  *(u64 *)(r10 -8) = BPF_MAX_LOOPS
as the first insn of the program to initialize loop count.

When the first insn happens to be a branch target of some jmp the
bpf_patch_insn_data() logic will produce:
L1: *(u64 *)(r10 -8) = BPF_MAX_LOOPS
    r11 = *(u64 *)(r10 -8)
    if r11 == 0x0 goto L2
    r11 -= 1
    *(u64 *)(r10 -8) = r11
    goto L1
L2: w0 = 0
    exit

because instruction patching adjusts all jmps and calls, but for this
particular corner case it's incorrect and the L1 label should be one
instruction down, like:
    *(u64 *)(r10 -8) = BPF_MAX_LOOPS
L1: r11 = *(u64 *)(r10 -8)
    if r11 == 0x0 goto L2
    r11 -= 1
    *(u64 *)(r10 -8) = r11
    goto L1
L2: w0 = 0
    exit

and that's what this patch is fixing.
After bpf_patch_insn_data() call adjust_jmp_off() to adjust all jmps
that point to newly insert BPF_ST insn to point to insn after.

Note that bpf_patch_insn_data() cannot easily be changed to accommodate
this logic, since jumps that point before or after a sequence of patched
instructions have to be adjusted with the full length of the patch.

Conceptually it's somewhat similar to "insert" of instructions between other
instructions with weird semantics. Like "insert" before 1st insn would require
adjustment of CALL insns to point to newly inserted 1st insn, but not an
adjustment JMP insns that point to 1st, yet still adjusting JMP insns that
cross over 1st insn (point to insn before or insn after), hence use simple
adjust_jmp_off() logic to fix this corner case. Ideally bpf_patch_insn_data()
would have an auxiliary info to say where 'the start of newly inserted patch
is', but it would be too complex for backport.

Fixes: 011832b97b31 ("bpf: Introduce may_goto instruction")
Reported-by: Zac Ecob <zacecob@protonmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Closes: https://lore.kernel.org/bpf/CAADnVQJ_WWx8w4b=6Gc2EpzAjgv+6A0ridnMz2TvS2egj4r3Gw@mail.gmail.com/
Link: https://lore.kernel.org/bpf/20240619011859.79334-1-alexei.starovoitov@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/verifier.c | 50 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index add5ccbe87523..2233bf50a9012 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -12546,6 +12546,16 @@ static bool signed_add32_overflows(s32 a, s32 b)
 	return res < a;
 }
 
+static bool signed_add16_overflows(s16 a, s16 b)
+{
+	/* Do the add in u16, where overflow is well-defined */
+	s16 res = (s16)((u16)a + (u16)b);
+
+	if (b < 0)
+		return res > a;
+	return res < a;
+}
+
 static bool signed_sub_overflows(s64 a, s64 b)
 {
 	/* Do the sub in u64, where overflow is well-defined */
@@ -18564,6 +18574,39 @@ static struct bpf_prog *bpf_patch_insn_data(struct bpf_verifier_env *env, u32 of
 	return new_prog;
 }
 
+/*
+ * For all jmp insns in a given 'prog' that point to 'tgt_idx' insn adjust the
+ * jump offset by 'delta'.
+ */
+static int adjust_jmp_off(struct bpf_prog *prog, u32 tgt_idx, u32 delta)
+{
+	struct bpf_insn *insn = prog->insnsi;
+	u32 insn_cnt = prog->len, i;
+
+	for (i = 0; i < insn_cnt; i++, insn++) {
+		u8 code = insn->code;
+
+		if ((BPF_CLASS(code) != BPF_JMP && BPF_CLASS(code) != BPF_JMP32) ||
+		    BPF_OP(code) == BPF_CALL || BPF_OP(code) == BPF_EXIT)
+			continue;
+
+		if (insn->code == (BPF_JMP32 | BPF_JA)) {
+			if (i + 1 + insn->imm != tgt_idx)
+				continue;
+			if (signed_add32_overflows(insn->imm, delta))
+				return -ERANGE;
+			insn->imm += delta;
+		} else {
+			if (i + 1 + insn->off != tgt_idx)
+				continue;
+			if (signed_add16_overflows(insn->imm, delta))
+				return -ERANGE;
+			insn->off += delta;
+		}
+	}
+	return 0;
+}
+
 static int adjust_subprog_starts_after_remove(struct bpf_verifier_env *env,
 					      u32 off, u32 cnt)
 {
@@ -20268,6 +20311,13 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
 		if (!new_prog)
 			return -ENOMEM;
 		env->prog = prog = new_prog;
+		/*
+		 * If may_goto is a first insn of a prog there could be a jmp
+		 * insn that points to it, hence adjust all such jmps to point
+		 * to insn after BPF_ST that inits may_goto count.
+		 * Adjustment will succeed because bpf_patch_insn_data() didn't fail.
+		 */
+		WARN_ON(adjust_jmp_off(env->prog, subprog_start, 1));
 	}
 
 	/* Since poke tab is now finalized, publish aux to tracker. */
-- 
2.43.0

[PATCH 6.9 037/222] bpf: Fix overrunning reservations in ringbuf

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Borkmann <daniel@iogearbox.net>

[ Upstream commit cfa1a2329a691ffd991fcf7248a57d752e712881 ]

The BPF ring buffer internally is implemented as a power-of-2 sized circular
buffer, with two logical and ever-increasing counters: consumer_pos is the
consumer counter to show which logical position the consumer consumed the
data, and producer_pos which is the producer counter denoting the amount of
data reserved by all producers.

Each time a record is reserved, the producer that "owns" the record will
successfully advance producer counter. In user space each time a record is
read, the consumer of the data advanced the consumer counter once it finished
processing. Both counters are stored in separate pages so that from user
space, the producer counter is read-only and the consumer counter is read-write.

One aspect that simplifies and thus speeds up the implementation of both
producers and consumers is how the data area is mapped twice contiguously
back-to-back in the virtual memory, allowing to not take any special measures
for samples that have to wrap around at the end of the circular buffer data
area, because the next page after the last data page would be first data page
again, and thus the sample will still appear completely contiguous in virtual
memory.

Each record has a struct bpf_ringbuf_hdr { u32 len; u32 pg_off; } header for
book-keeping the length and offset, and is inaccessible to the BPF program.
Helpers like bpf_ringbuf_reserve() return `(void *)hdr + BPF_RINGBUF_HDR_SZ`
for the BPF program to use. Bing-Jhong and Muhammad reported that it is however
possible to make a second allocated memory chunk overlapping with the first
chunk and as a result, the BPF program is now able to edit first chunk's
header.

For example, consider the creation of a BPF_MAP_TYPE_RINGBUF map with size
of 0x4000. Next, the consumer_pos is modified to 0x3000 /before/ a call to
bpf_ringbuf_reserve() is made. This will allocate a chunk A, which is in
[0x0,0x3008], and the BPF program is able to edit [0x8,0x3008]. Now, lets
allocate a chunk B with size 0x3000. This will succeed because consumer_pos
was edited ahead of time to pass the `new_prod_pos - cons_pos > rb->mask`
check. Chunk B will be in range [0x3008,0x6010], and the BPF program is able
to edit [0x3010,0x6010]. Due to the ring buffer memory layout mentioned
earlier, the ranges [0x0,0x4000] and [0x4000,0x8000] point to the same data
pages. This means that chunk B at [0x4000,0x4008] is chunk A's header.
bpf_ringbuf_submit() / bpf_ringbuf_discard() use the header's pg_off to then
locate the bpf_ringbuf itself via bpf_ringbuf_restore_from_rec(). Once chunk
B modified chunk A's header, then bpf_ringbuf_commit() refers to the wrong
page and could cause a crash.

Fix it by calculating the oldest pending_pos and check whether the range
from the oldest outstanding record to the newest would span beyond the ring
buffer size. If that is the case, then reject the request. We've tested with
the ring buffer benchmark in BPF selftests (./benchs/run_bench_ringbufs.sh)
before/after the fix and while it seems a bit slower on some benchmarks, it
is still not significantly enough to matter.

Fixes: 457f44363a88 ("bpf: Implement BPF ring buffer and verifier support for it")
Reported-by: Bing-Jhong Billy Jheng <billy@starlabs.sg>
Reported-by: Muhammad Ramdhan <ramdhan@starlabs.sg>
Co-developed-by: Bing-Jhong Billy Jheng <billy@starlabs.sg>
Co-developed-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Bing-Jhong Billy Jheng <billy@starlabs.sg>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240621140828.18238-1-daniel@iogearbox.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/ringbuf.c | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
index 0ee653a936ea0..e20b90c361316 100644
--- a/kernel/bpf/ringbuf.c
+++ b/kernel/bpf/ringbuf.c
@@ -51,7 +51,8 @@ struct bpf_ringbuf {
 	 * This prevents a user-space application from modifying the
 	 * position and ruining in-kernel tracking. The permissions of the
 	 * pages depend on who is producing samples: user-space or the
-	 * kernel.
+	 * kernel. Note that the pending counter is placed in the same
+	 * page as the producer, so that it shares the same cache line.
 	 *
 	 * Kernel-producer
 	 * ---------------
@@ -70,6 +71,7 @@ struct bpf_ringbuf {
 	 */
 	unsigned long consumer_pos __aligned(PAGE_SIZE);
 	unsigned long producer_pos __aligned(PAGE_SIZE);
+	unsigned long pending_pos;
 	char data[] __aligned(PAGE_SIZE);
 };
 
@@ -179,6 +181,7 @@ static struct bpf_ringbuf *bpf_ringbuf_alloc(size_t data_sz, int numa_node)
 	rb->mask = data_sz - 1;
 	rb->consumer_pos = 0;
 	rb->producer_pos = 0;
+	rb->pending_pos = 0;
 
 	return rb;
 }
@@ -404,9 +407,9 @@ bpf_ringbuf_restore_from_rec(struct bpf_ringbuf_hdr *hdr)
 
 static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size)
 {
-	unsigned long cons_pos, prod_pos, new_prod_pos, flags;
-	u32 len, pg_off;
+	unsigned long cons_pos, prod_pos, new_prod_pos, pend_pos, flags;
 	struct bpf_ringbuf_hdr *hdr;
+	u32 len, pg_off, tmp_size, hdr_len;
 
 	if (unlikely(size > RINGBUF_MAX_RECORD_SZ))
 		return NULL;
@@ -424,13 +427,29 @@ static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size)
 		spin_lock_irqsave(&rb->spinlock, flags);
 	}
 
+	pend_pos = rb->pending_pos;
 	prod_pos = rb->producer_pos;
 	new_prod_pos = prod_pos + len;
 
-	/* check for out of ringbuf space by ensuring producer position
-	 * doesn't advance more than (ringbuf_size - 1) ahead
+	while (pend_pos < prod_pos) {
+		hdr = (void *)rb->data + (pend_pos & rb->mask);
+		hdr_len = READ_ONCE(hdr->len);
+		if (hdr_len & BPF_RINGBUF_BUSY_BIT)
+			break;
+		tmp_size = hdr_len & ~BPF_RINGBUF_DISCARD_BIT;
+		tmp_size = round_up(tmp_size + BPF_RINGBUF_HDR_SZ, 8);
+		pend_pos += tmp_size;
+	}
+	rb->pending_pos = pend_pos;
+
+	/* check for out of ringbuf space:
+	 * - by ensuring producer position doesn't advance more than
+	 *   (ringbuf_size - 1) ahead
+	 * - by ensuring oldest not yet committed record until newest
+	 *   record does not span more than (ringbuf_size - 1)
 	 */
-	if (new_prod_pos - cons_pos > rb->mask) {
+	if (new_prod_pos - cons_pos > rb->mask ||
+	    new_prod_pos - pend_pos > rb->mask) {
 		spin_unlock_irqrestore(&rb->spinlock, flags);
 		return NULL;
 	}
-- 
2.43.0

[PATCH 6.9 038/222] vxlan: Pull inner IP header in vxlan_xmit_one().

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Guillaume Nault <gnault@redhat.com>

[ Upstream commit 31392048f55f98cb01ca709d32d06d926ab9760a ]

Ensure the inner IP header is part of the skb's linear data before
setting old_iph. Otherwise, on a non-linear skb, old_iph could point
outside of the packet data.

Unlike classical VXLAN, which always encapsulates Ethernet packets,
VXLAN-GPE can transport IP packets directly. In that case, we need to
look at skb->protocol to figure out if an Ethernet header is present.

Fixes: d342894c5d2f ("vxlan: virtual extensible lan")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Link: https://patch.msgid.link/2aa75f6fa62ac9dbe4f16ad5ba75dd04a51d4b99.1718804000.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/vxlan/vxlan_core.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index b2d054f59f30f..49779ba3c4b7b 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2336,7 +2336,7 @@ void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
 	struct ip_tunnel_key *pkey;
 	struct ip_tunnel_key key;
 	struct vxlan_dev *vxlan = netdev_priv(dev);
-	const struct iphdr *old_iph = ip_hdr(skb);
+	const struct iphdr *old_iph;
 	struct vxlan_metadata _md;
 	struct vxlan_metadata *md = &_md;
 	unsigned int pkt_len = skb->len;
@@ -2350,8 +2350,15 @@ void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
 	bool use_cache;
 	bool udp_sum = false;
 	bool xnet = !net_eq(vxlan->net, dev_net(vxlan->dev));
+	bool no_eth_encap;
 	__be32 vni = 0;
 
+	no_eth_encap = flags & VXLAN_F_GPE && skb->protocol != htons(ETH_P_TEB);
+	if (!skb_vlan_inet_prepare(skb, no_eth_encap))
+		goto drop;
+
+	old_iph = ip_hdr(skb);
+
 	info = skb_tunnel_info(skb);
 	use_cache = ip_tunnel_dst_cache_usable(skb, info);
 
-- 
2.43.0

[PATCH 6.9 039/222] ibmvnic: Free any outstanding tx skbs during scrq reset

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nick Child <nnac123@linux.ibm.com>

[ Upstream commit 49bbeb5719c2f56907d3a9623b47c6c15c2c431d ]

There are 2 types of outstanding tx skb's:
Type 1: Packets that are sitting in the drivers ind_buff that are
waiting to be batch sent to the NIC. During a device reset, these are
freed with a call to ibmvnic_tx_scrq_clean_buffer()
Type 2: Packets that have been sent to the NIC and are awaiting a TX
completion IRQ. These are free'd during a reset with a call to
clean_tx_pools()

During any reset which requires us to free the tx irq, ensure that the
Type 2 skb references are freed. Since the irq is released, it is
impossible for the NIC to inform of any completions.

Furthermore, later in the reset process is a call to init_tx_pools()
which marks every entry in the tx pool as free (ie not outstanding).
So if the driver is to make a call to init_tx_pools(), it must first
be sure that the tx pool is empty of skb references.

This issue was discovered by observing the following in the logs during
EEH testing:
	TX free map points to untracked skb (tso_pool 0 idx=4)
	TX free map points to untracked skb (tso_pool 0 idx=5)
	TX free map points to untracked skb (tso_pool 1 idx=36)

Fixes: 65d6470d139a ("ibmvnic: clean pending indirect buffs during reset")
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 30c47b8470ade..722bb724361c2 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -4057,6 +4057,12 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter, bool do_h_free)
 		adapter->num_active_tx_scrqs = 0;
 	}
 
+	/* Clean any remaining outstanding SKBs
+	 * we freed the irq so we won't be hearing
+	 * from them
+	 */
+	clean_tx_pools(adapter);
+
 	if (adapter->rx_scrq) {
 		for (i = 0; i < adapter->num_active_rx_scrqs; i++) {
 			if (!adapter->rx_scrq[i])
-- 
2.43.0

[PATCH 6.9 040/222] net: phy: micrel: add Microchip KSZ 9477 to the device table

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>

[ Upstream commit 54a4e5c16382e871c01dd82b47e930fdce30406b ]

PHY_ID_KSZ9477 was supported but not added to the device table passed to
MODULE_DEVICE_TABLE.

Fixes: fc3973a1fa09 ("phy: micrel: add Microchip KSZ 9477 Switch PHY support")
Signed-off-by: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/phy/micrel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 4b22bb6393e26..4a28b654ce877 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -5094,6 +5094,7 @@ static struct mdio_device_id __maybe_unused micrel_tbl[] = {
 	{ PHY_ID_KSZ8081, MICREL_PHY_ID_MASK },
 	{ PHY_ID_KSZ8873MLL, MICREL_PHY_ID_MASK },
 	{ PHY_ID_KSZ886X, MICREL_PHY_ID_MASK },
+	{ PHY_ID_KSZ9477, MICREL_PHY_ID_MASK },
 	{ PHY_ID_LAN8814, MICREL_PHY_ID_MASK },
 	{ PHY_ID_LAN8804, MICREL_PHY_ID_MASK },
 	{ PHY_ID_LAN8841, MICREL_PHY_ID_MASK },
-- 
2.43.0

[PATCH 6.9 041/222] net: dsa: microchip: use collision based back pressure mode

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>

[ Upstream commit d963c95bc9840d070a788c35e41b715a648717f7 ]

Errata DS80000758 states that carrier sense back pressure mode can cause
link down issues in 100BASE-TX half duplex mode. The datasheet also
recommends to always use the collision based back pressure mode.

Fixes: b987e98e50ab ("dsa: add DSA switch driver for Microchip KSZ9477")
Signed-off-by: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
Reviewed-by: Woojung Huh <Woojung.huh@microchip.com>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/microchip/ksz9477.c     | 4 ++++
 drivers/net/dsa/microchip/ksz9477_reg.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 05767d3025f77..dde5c65c2c366 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -1303,6 +1303,10 @@ int ksz9477_setup(struct dsa_switch *ds)
 	/* Enable REG_SW_MTU__2 reg by setting SW_JUMBO_PACKET */
 	ksz_cfg(dev, REG_SW_MAC_CTRL_1, SW_JUMBO_PACKET, true);
 
+	/* Use collision based back pressure mode. */
+	ksz_cfg(dev, REG_SW_MAC_CTRL_1, SW_BACK_PRESSURE,
+		SW_BACK_PRESSURE_COLLISION);
+
 	/* Now we can configure default MTU value */
 	ret = regmap_update_bits(ksz_regmap_16(dev), REG_SW_MTU__2, REG_SW_MTU_MASK,
 				 VLAN_ETH_FRAME_LEN + ETH_FCS_LEN);
diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h
index f3a205ee483f2..fb124be8edd30 100644
--- a/drivers/net/dsa/microchip/ksz9477_reg.h
+++ b/drivers/net/dsa/microchip/ksz9477_reg.h
@@ -247,6 +247,7 @@
 #define REG_SW_MAC_CTRL_1		0x0331
 
 #define SW_BACK_PRESSURE		BIT(5)
+#define SW_BACK_PRESSURE_COLLISION	0
 #define FAIR_FLOW_CTRL			BIT(4)
 #define NO_EXC_COLLISION_DROP		BIT(3)
 #define SW_JUMBO_PACKET			BIT(2)
-- 
2.43.0

[PATCH 6.9 042/222] ice: Rebuild TC queues on VSI queue reconfiguration

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jan Sokolowski <jan.sokolowski@intel.com>

[ Upstream commit f4b91c1d17c676b8ad4c6bd674da874f3f7d5701 ]

TC queues needs to be correctly updated when the number of queues on
a VSI is reconfigured, so netdev's queue and TC settings will be
dynamically adjusted and could accurately represent the underlying
hardware state after changes to the VSI queue counts.

Fixes: 0754d65bd4be ("ice: Add infrastructure for mqprio support via ndo_setup_tc")
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Signed-off-by: Karen Ostrowska <karen.ostrowska@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 61eef3259cbaa..88d4675cc3428 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4102,7 +4102,7 @@ bool ice_is_wol_supported(struct ice_hw *hw)
 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked)
 {
 	struct ice_pf *pf = vsi->back;
-	int err = 0, timeout = 50;
+	int i, err = 0, timeout = 50;
 
 	if (!new_rx && !new_tx)
 		return -EINVAL;
@@ -4128,6 +4128,14 @@ int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked)
 
 	ice_vsi_close(vsi);
 	ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
+
+	ice_for_each_traffic_class(i) {
+		if (vsi->tc_cfg.ena_tc & BIT(i))
+			netdev_set_tc_queue(vsi->netdev,
+					    vsi->tc_cfg.tc_info[i].netdev_tc,
+					    vsi->tc_cfg.tc_info[i].qcount_tx,
+					    vsi->tc_cfg.tc_info[i].qoffset);
+	}
 	ice_pf_dcb_recfg(pf, locked);
 	ice_vsi_open(vsi);
 done:
-- 
2.43.0

[PATCH 6.9 043/222] bpf: Fix may_goto with negative offset.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexei Starovoitov <ast@kernel.org>

[ Upstream commit 2b2efe1937ca9f8815884bd4dcd5b32733025103 ]

Zac's syzbot crafted a bpf prog that exposed two bugs in may_goto.
The 1st bug is the way may_goto is patched. When offset is negative
it should be patched differently.
The 2nd bug is in the verifier:
when current state may_goto_depth is equal to visited state may_goto_depth
it means there is an actual infinite loop. It's not correct to prune
exploration of the program at this point.
Note, that this check doesn't limit the program to only one may_goto insn,
since 2nd and any further may_goto will increment may_goto_depth only
in the queued state pushed for future exploration. The current state
will have may_goto_depth == 0 regardless of number of may_goto insns
and the verifier has to explore the program until bpf_exit.

Fixes: 011832b97b31 ("bpf: Introduce may_goto instruction")
Reported-by: Zac Ecob <zacecob@protonmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Closes: https://lore.kernel.org/bpf/CAADnVQL-15aNp04-cyHRn47Yv61NXfYyhopyZtUyxNojUZUXpA@mail.gmail.com/
Link: https://lore.kernel.org/bpf/20240619235355.85031-1-alexei.starovoitov@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/verifier.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 2233bf50a9012..ab558eea1c9ee 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -17308,11 +17308,11 @@ static int is_state_visited(struct bpf_verifier_env *env, int insn_idx)
 				goto skip_inf_loop_check;
 			}
 			if (is_may_goto_insn_at(env, insn_idx)) {
-				if (states_equal(env, &sl->state, cur, RANGE_WITHIN)) {
+				if (sl->state.may_goto_depth != cur->may_goto_depth &&
+				    states_equal(env, &sl->state, cur, RANGE_WITHIN)) {
 					update_loop_entry(cur, &sl->state);
 					goto hit;
 				}
-				goto skip_inf_loop_check;
 			}
 			if (calls_callback(env, insn_idx)) {
 				if (states_equal(env, &sl->state, cur, RANGE_WITHIN))
@@ -19853,7 +19853,10 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
 
 			stack_depth_extra = 8;
 			insn_buf[0] = BPF_LDX_MEM(BPF_DW, BPF_REG_AX, BPF_REG_10, stack_off);
-			insn_buf[1] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_AX, 0, insn->off + 2);
+			if (insn->off >= 0)
+				insn_buf[1] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_AX, 0, insn->off + 2);
+			else
+				insn_buf[1] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_AX, 0, insn->off - 1);
 			insn_buf[2] = BPF_ALU64_IMM(BPF_SUB, BPF_REG_AX, 1);
 			insn_buf[3] = BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_AX, stack_off);
 			cnt = 4;
-- 
2.43.0

[PATCH 6.9 044/222] xdp: Remove WARN() from __xdp_reg_mem_model()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniil Dulov <d.dulov@aladdin.ru>

[ Upstream commit 7e9f79428372c6eab92271390851be34ab26bfb4 ]

syzkaller reports a warning in __xdp_reg_mem_model().

The warning occurs only if __mem_id_init_hash_table() returns an error. It
returns the error in two cases:

  1. memory allocation fails;
  2. rhashtable_init() fails when some fields of rhashtable_params
     struct are not initialized properly.

The second case cannot happen since there is a static const rhashtable_params
struct with valid fields. So, warning is only triggered when there is a
problem with memory allocation.

Thus, there is no sense in using WARN() to handle this error and it can be
safely removed.

WARNING: CPU: 0 PID: 5065 at net/core/xdp.c:299 __xdp_reg_mem_model+0x2d9/0x650 net/core/xdp.c:299

CPU: 0 PID: 5065 Comm: syz-executor883 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__xdp_reg_mem_model+0x2d9/0x650 net/core/xdp.c:299

Call Trace:
 xdp_reg_mem_model+0x22/0x40 net/core/xdp.c:344
 xdp_test_run_setup net/bpf/test_run.c:188 [inline]
 bpf_test_run_xdp_live+0x365/0x1e90 net/bpf/test_run.c:377
 bpf_prog_test_run_xdp+0x813/0x11b0 net/bpf/test_run.c:1267
 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4240
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5649
 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5736 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5736
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

Found by Linux Verification Center (linuxtesting.org) with syzkaller.

Fixes: 8d5d88527587 ("xdp: rhashtable with allocator ID to pointer mapping")
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/all/20240617162708.492159-1-d.dulov@aladdin.ru
Link: https://lore.kernel.org/bpf/20240624080747.36858-1-d.dulov@aladdin.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/xdp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/core/xdp.c b/net/core/xdp.c
index 41693154e426f..022c12059cf2f 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -295,10 +295,8 @@ static struct xdp_mem_allocator *__xdp_reg_mem_model(struct xdp_mem_info *mem,
 		mutex_lock(&mem_id_lock);
 		ret = __mem_id_init_hash_table();
 		mutex_unlock(&mem_id_lock);
-		if (ret < 0) {
-			WARN_ON(1);
+		if (ret < 0)
 			return ERR_PTR(ret);
-		}
 	}
 
 	xdp_alloc = kzalloc(sizeof(*xdp_alloc), gfp);
-- 
2.43.0

[PATCH 6.9 045/222] ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chen-Yu Tsai <wenst@chromium.org>

[ Upstream commit 282a4482e198e03781c152c88aac8aa382ef9a55 ]

Commit e70b8dd26711 ("ASoC: mediatek: mt8195: Remove afe-dai component
and rework codec link") removed the codec entry for the ETDM1_OUT_BE
dai link entirely instead of replacing it with COMP_EMPTY(). This worked
by accident as the remaining COMP_EMPTY() platform entry became the codec
entry, and the platform entry became completely empty, effectively the
same as COMP_DUMMY() since snd_soc_fill_dummy_dai() doesn't do anything
for platform entries.

This causes a KASAN out-of-bounds warning in mtk_soundcard_common_probe()
in sound/soc/mediatek/common/mtk-soundcard-driver.c:

	for_each_card_prelinks(card, i, dai_link) {
		if (adsp_node && !strncmp(dai_link->name, "AFE_SOF", strlen("AFE_SOF")))
			dai_link->platforms->of_node = adsp_node;
		else if (!dai_link->platforms->name && !dai_link->platforms->of_node)
			dai_link->platforms->of_node = platform_node;
	}

where the code expects the platforms array to have space for at least one entry.

Add an COMP_EMPTY() entry so that dai_link->platforms has space.

Fixes: e70b8dd26711 ("ASoC: mediatek: mt8195: Remove afe-dai component and rework codec link")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20240624061257.3115467-1-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/mediatek/mt8195/mt8195-mt6359.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/mediatek/mt8195/mt8195-mt6359.c b/sound/soc/mediatek/mt8195/mt8195-mt6359.c
index 53fd8a897b9d2..c25a526c90d25 100644
--- a/sound/soc/mediatek/mt8195/mt8195-mt6359.c
+++ b/sound/soc/mediatek/mt8195/mt8195-mt6359.c
@@ -939,6 +939,7 @@ SND_SOC_DAILINK_DEFS(ETDM2_IN_BE,
 
 SND_SOC_DAILINK_DEFS(ETDM1_OUT_BE,
 		     DAILINK_COMP_ARRAY(COMP_CPU("ETDM1_OUT")),
+		     DAILINK_COMP_ARRAY(COMP_EMPTY()),
 		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 
 SND_SOC_DAILINK_DEFS(ETDM2_OUT_BE,
-- 
2.43.0

[PATCH 6.9 046/222] netfilter: fix undefined reference to netfilter_lwtunnel_* when CONFIG_SYSCTL=n

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jianguo Wu <wujianguo@chinatelecom.cn>

[ Upstream commit aef5daa2c49d510436b733827d4f0bab79fcc4a0 ]

if CONFIG_SYSFS is not enabled in config, we get the below compile error,

All errors (new ones prefixed by >>):

   csky-linux-ld: net/netfilter/core.o: in function `netfilter_init':
   core.c:(.init.text+0x42): undefined reference to `netfilter_lwtunnel_init'
>> csky-linux-ld: core.c:(.init.text+0x56): undefined reference to `netfilter_lwtunnel_fini'
>> csky-linux-ld: core.c:(.init.text+0x70): undefined reference to `netfilter_lwtunnel_init'
   csky-linux-ld: core.c:(.init.text+0x78): undefined reference to `netfilter_lwtunnel_fini'

Fixes: a2225e0250c5 ("netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core")
Reported-by: Mirsad Todorovac <mtodorovac69@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406210511.8vbByYj3-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202406210520.6HmrUaA2-lkp@intel.com/
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_hooks_lwtunnel.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/netfilter/nf_hooks_lwtunnel.c b/net/netfilter/nf_hooks_lwtunnel.c
index 7cdb59bb4459f..d8ebebc9775d7 100644
--- a/net/netfilter/nf_hooks_lwtunnel.c
+++ b/net/netfilter/nf_hooks_lwtunnel.c
@@ -117,4 +117,7 @@ void netfilter_lwtunnel_fini(void)
 {
 	unregister_pernet_subsys(&nf_lwtunnel_net_ops);
 }
+#else
+int __init netfilter_lwtunnel_init(void) { return 0; }
+void netfilter_lwtunnel_fini(void) {}
 #endif /* CONFIG_SYSCTL */
-- 
2.43.0

[PATCH 6.9 047/222] btrfs: use NOFS context when getting inodes during logging and log replay

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Filipe Manana <fdmanana@suse.com>

[ Upstream commit d1825752e3074b5ff8d7f6016160e2b7c5c367ca ]

During inode logging (and log replay too), we are holding a transaction
handle and we often need to call btrfs_iget(), which will read an inode
from its subvolume btree if it's not loaded in memory and that results in
allocating an inode with GFP_KERNEL semantics at the btrfs_alloc_inode()
callback - and this may recurse into the filesystem in case we are under
memory pressure and attempt to commit the current transaction, resulting
in a deadlock since the logging (or log replay) task is holding a
transaction handle open.

Syzbot reported this with the following stack traces:

  WARNING: possible circular locking dependency detected
  6.10.0-rc2-syzkaller-00361-g061d1af7b030 #0 Not tainted
  ------------------------------------------------------
  syz-executor.1/9919 is trying to acquire lock:
  ffffffff8dd3aac0 (fs_reclaim){+.+.}-{0:0}, at: might_alloc include/linux/sched/mm.h:334 [inline]
  ffffffff8dd3aac0 (fs_reclaim){+.+.}-{0:0}, at: slab_pre_alloc_hook mm/slub.c:3891 [inline]
  ffffffff8dd3aac0 (fs_reclaim){+.+.}-{0:0}, at: slab_alloc_node mm/slub.c:3981 [inline]
  ffffffff8dd3aac0 (fs_reclaim){+.+.}-{0:0}, at: kmem_cache_alloc_lru_noprof+0x58/0x2f0 mm/slub.c:4020

  but task is already holding lock:
  ffff88804b569358 (&ei->log_mutex){+.+.}-{3:3}, at: btrfs_log_inode+0x39c/0x4660 fs/btrfs/tree-log.c:6481

  which lock already depends on the new lock.

  the existing dependency chain (in reverse order) is:

  -> #3 (&ei->log_mutex){+.+.}-{3:3}:
         __mutex_lock_common kernel/locking/mutex.c:608 [inline]
         __mutex_lock+0x175/0x9c0 kernel/locking/mutex.c:752
         btrfs_log_inode+0x39c/0x4660 fs/btrfs/tree-log.c:6481
         btrfs_log_inode_parent+0x8cb/0x2a90 fs/btrfs/tree-log.c:7079
         btrfs_log_dentry_safe+0x59/0x80 fs/btrfs/tree-log.c:7180
         btrfs_sync_file+0x9c1/0xe10 fs/btrfs/file.c:1959
         vfs_fsync_range+0x141/0x230 fs/sync.c:188
         generic_write_sync include/linux/fs.h:2794 [inline]
         btrfs_do_write_iter+0x584/0x10c0 fs/btrfs/file.c:1705
         new_sync_write fs/read_write.c:497 [inline]
         vfs_write+0x6b6/0x1140 fs/read_write.c:590
         ksys_write+0x12f/0x260 fs/read_write.c:643
         do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
         __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
         do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
         entry_SYSENTER_compat_after_hwframe+0x84/0x8e

  -> #2 (btrfs_trans_num_extwriters){++++}-{0:0}:
         join_transaction+0x164/0xf40 fs/btrfs/transaction.c:315
         start_transaction+0x427/0x1a70 fs/btrfs/transaction.c:700
         btrfs_commit_super+0xa1/0x110 fs/btrfs/disk-io.c:4170
         close_ctree+0xcb0/0xf90 fs/btrfs/disk-io.c:4324
         generic_shutdown_super+0x159/0x3d0 fs/super.c:642
         kill_anon_super+0x3a/0x60 fs/super.c:1226
         btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2096
         deactivate_locked_super+0xbe/0x1a0 fs/super.c:473
         deactivate_super+0xde/0x100 fs/super.c:506
         cleanup_mnt+0x222/0x450 fs/namespace.c:1267
         task_work_run+0x14e/0x250 kernel/task_work.c:180
         resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
         exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
         exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
         __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
         syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
         __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389
         do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
         entry_SYSENTER_compat_after_hwframe+0x84/0x8e

  -> #1 (btrfs_trans_num_writers){++++}-{0:0}:
         __lock_release kernel/locking/lockdep.c:5468 [inline]
         lock_release+0x33e/0x6c0 kernel/locking/lockdep.c:5774
         percpu_up_read include/linux/percpu-rwsem.h:99 [inline]
         __sb_end_write include/linux/fs.h:1650 [inline]
         sb_end_intwrite include/linux/fs.h:1767 [inline]
         __btrfs_end_transaction+0x5ca/0x920 fs/btrfs/transaction.c:1071
         btrfs_commit_inode_delayed_inode+0x228/0x330 fs/btrfs/delayed-inode.c:1301
         btrfs_evict_inode+0x960/0xe80 fs/btrfs/inode.c:5291
         evict+0x2ed/0x6c0 fs/inode.c:667
         iput_final fs/inode.c:1741 [inline]
         iput.part.0+0x5a8/0x7f0 fs/inode.c:1767
         iput+0x5c/0x80 fs/inode.c:1757
         dentry_unlink_inode+0x295/0x480 fs/dcache.c:400
         __dentry_kill+0x1d0/0x600 fs/dcache.c:603
         dput.part.0+0x4b1/0x9b0 fs/dcache.c:845
         dput+0x1f/0x30 fs/dcache.c:835
         ovl_stack_put+0x60/0x90 fs/overlayfs/util.c:132
         ovl_destroy_inode+0xc6/0x190 fs/overlayfs/super.c:182
         destroy_inode+0xc4/0x1b0 fs/inode.c:311
         iput_final fs/inode.c:1741 [inline]
         iput.part.0+0x5a8/0x7f0 fs/inode.c:1767
         iput+0x5c/0x80 fs/inode.c:1757
         dentry_unlink_inode+0x295/0x480 fs/dcache.c:400
         __dentry_kill+0x1d0/0x600 fs/dcache.c:603
         shrink_kill fs/dcache.c:1048 [inline]
         shrink_dentry_list+0x140/0x5d0 fs/dcache.c:1075
         prune_dcache_sb+0xeb/0x150 fs/dcache.c:1156
         super_cache_scan+0x32a/0x550 fs/super.c:221
         do_shrink_slab+0x44f/0x11c0 mm/shrinker.c:435
         shrink_slab_memcg mm/shrinker.c:548 [inline]
         shrink_slab+0xa87/0x1310 mm/shrinker.c:626
         shrink_one+0x493/0x7c0 mm/vmscan.c:4790
         shrink_many mm/vmscan.c:4851 [inline]
         lru_gen_shrink_node+0x89f/0x1750 mm/vmscan.c:4951
         shrink_node mm/vmscan.c:5910 [inline]
         kswapd_shrink_node mm/vmscan.c:6720 [inline]
         balance_pgdat+0x1105/0x1970 mm/vmscan.c:6911
         kswapd+0x5ea/0xbf0 mm/vmscan.c:7180
         kthread+0x2c1/0x3a0 kernel/kthread.c:389
         ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
         ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

  -> #0 (fs_reclaim){+.+.}-{0:0}:
         check_prev_add kernel/locking/lockdep.c:3134 [inline]
         check_prevs_add kernel/locking/lockdep.c:3253 [inline]
         validate_chain kernel/locking/lockdep.c:3869 [inline]
         __lock_acquire+0x2478/0x3b30 kernel/locking/lockdep.c:5137
         lock_acquire kernel/locking/lockdep.c:5754 [inline]
         lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
         __fs_reclaim_acquire mm/page_alloc.c:3801 [inline]
         fs_reclaim_acquire+0x102/0x160 mm/page_alloc.c:3815
         might_alloc include/linux/sched/mm.h:334 [inline]
         slab_pre_alloc_hook mm/slub.c:3891 [inline]
         slab_alloc_node mm/slub.c:3981 [inline]
         kmem_cache_alloc_lru_noprof+0x58/0x2f0 mm/slub.c:4020
         btrfs_alloc_inode+0x118/0xb20 fs/btrfs/inode.c:8411
         alloc_inode+0x5d/0x230 fs/inode.c:261
         iget5_locked fs/inode.c:1235 [inline]
         iget5_locked+0x1c9/0x2c0 fs/inode.c:1228
         btrfs_iget_locked fs/btrfs/inode.c:5590 [inline]
         btrfs_iget_path fs/btrfs/inode.c:5607 [inline]
         btrfs_iget+0xfb/0x230 fs/btrfs/inode.c:5636
         add_conflicting_inode fs/btrfs/tree-log.c:5657 [inline]
         copy_inode_items_to_log+0x1039/0x1e30 fs/btrfs/tree-log.c:5928
         btrfs_log_inode+0xa48/0x4660 fs/btrfs/tree-log.c:6592
         log_new_delayed_dentries fs/btrfs/tree-log.c:6363 [inline]
         btrfs_log_inode+0x27dd/0x4660 fs/btrfs/tree-log.c:6718
         btrfs_log_all_parents fs/btrfs/tree-log.c:6833 [inline]
         btrfs_log_inode_parent+0x22ba/0x2a90 fs/btrfs/tree-log.c:7141
         btrfs_log_dentry_safe+0x59/0x80 fs/btrfs/tree-log.c:7180
         btrfs_sync_file+0x9c1/0xe10 fs/btrfs/file.c:1959
         vfs_fsync_range+0x141/0x230 fs/sync.c:188
         generic_write_sync include/linux/fs.h:2794 [inline]
         btrfs_do_write_iter+0x584/0x10c0 fs/btrfs/file.c:1705
         do_iter_readv_writev+0x504/0x780 fs/read_write.c:741
         vfs_writev+0x36f/0xde0 fs/read_write.c:971
         do_pwritev+0x1b2/0x260 fs/read_write.c:1072
         __do_compat_sys_pwritev2 fs/read_write.c:1218 [inline]
         __se_compat_sys_pwritev2 fs/read_write.c:1210 [inline]
         __ia32_compat_sys_pwritev2+0x121/0x1b0 fs/read_write.c:1210
         do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
         __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
         do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
         entry_SYSENTER_compat_after_hwframe+0x84/0x8e

  other info that might help us debug this:

  Chain exists of:
    fs_reclaim --> btrfs_trans_num_extwriters --> &ei->log_mutex

   Possible unsafe locking scenario:

         CPU0                    CPU1
         ----                    ----
    lock(&ei->log_mutex);
                                 lock(btrfs_trans_num_extwriters);
                                 lock(&ei->log_mutex);
    lock(fs_reclaim);

   *** DEADLOCK ***

  7 locks held by syz-executor.1/9919:
   #0: ffff88802be20420 (sb_writers#23){.+.+}-{0:0}, at: do_pwritev+0x1b2/0x260 fs/read_write.c:1072
   #1: ffff888065c0f8f0 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
   #1: ffff888065c0f8f0 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: btrfs_inode_lock+0xc8/0x110 fs/btrfs/inode.c:385
   #2: ffff888065c0f778 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_inode_lock+0xee/0x110 fs/btrfs/inode.c:388
   #3: ffff88802be20610 (sb_internal#4){.+.+}-{0:0}, at: btrfs_sync_file+0x95b/0xe10 fs/btrfs/file.c:1952
   #4: ffff8880546323f0 (btrfs_trans_num_writers){++++}-{0:0}, at: join_transaction+0x430/0xf40 fs/btrfs/transaction.c:290
   #5: ffff888054632418 (btrfs_trans_num_extwriters){++++}-{0:0}, at: join_transaction+0x430/0xf40 fs/btrfs/transaction.c:290
   #6: ffff88804b569358 (&ei->log_mutex){+.+.}-{3:3}, at: btrfs_log_inode+0x39c/0x4660 fs/btrfs/tree-log.c:6481

  stack backtrace:
  CPU: 2 PID: 9919 Comm: syz-executor.1 Not tainted 6.10.0-rc2-syzkaller-00361-g061d1af7b030 #0
  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
  Call Trace:
   <TASK>
   __dump_stack lib/dump_stack.c:88 [inline]
   dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
   check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2187
   check_prev_add kernel/locking/lockdep.c:3134 [inline]
   check_prevs_add kernel/locking/lockdep.c:3253 [inline]
   validate_chain kernel/locking/lockdep.c:3869 [inline]
   __lock_acquire+0x2478/0x3b30 kernel/locking/lockdep.c:5137
   lock_acquire kernel/locking/lockdep.c:5754 [inline]
   lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
   __fs_reclaim_acquire mm/page_alloc.c:3801 [inline]
   fs_reclaim_acquire+0x102/0x160 mm/page_alloc.c:3815
   might_alloc include/linux/sched/mm.h:334 [inline]
   slab_pre_alloc_hook mm/slub.c:3891 [inline]
   slab_alloc_node mm/slub.c:3981 [inline]
   kmem_cache_alloc_lru_noprof+0x58/0x2f0 mm/slub.c:4020
   btrfs_alloc_inode+0x118/0xb20 fs/btrfs/inode.c:8411
   alloc_inode+0x5d/0x230 fs/inode.c:261
   iget5_locked fs/inode.c:1235 [inline]
   iget5_locked+0x1c9/0x2c0 fs/inode.c:1228
   btrfs_iget_locked fs/btrfs/inode.c:5590 [inline]
   btrfs_iget_path fs/btrfs/inode.c:5607 [inline]
   btrfs_iget+0xfb/0x230 fs/btrfs/inode.c:5636
   add_conflicting_inode fs/btrfs/tree-log.c:5657 [inline]
   copy_inode_items_to_log+0x1039/0x1e30 fs/btrfs/tree-log.c:5928
   btrfs_log_inode+0xa48/0x4660 fs/btrfs/tree-log.c:6592
   log_new_delayed_dentries fs/btrfs/tree-log.c:6363 [inline]
   btrfs_log_inode+0x27dd/0x4660 fs/btrfs/tree-log.c:6718
   btrfs_log_all_parents fs/btrfs/tree-log.c:6833 [inline]
   btrfs_log_inode_parent+0x22ba/0x2a90 fs/btrfs/tree-log.c:7141
   btrfs_log_dentry_safe+0x59/0x80 fs/btrfs/tree-log.c:7180
   btrfs_sync_file+0x9c1/0xe10 fs/btrfs/file.c:1959
   vfs_fsync_range+0x141/0x230 fs/sync.c:188
   generic_write_sync include/linux/fs.h:2794 [inline]
   btrfs_do_write_iter+0x584/0x10c0 fs/btrfs/file.c:1705
   do_iter_readv_writev+0x504/0x780 fs/read_write.c:741
   vfs_writev+0x36f/0xde0 fs/read_write.c:971
   do_pwritev+0x1b2/0x260 fs/read_write.c:1072
   __do_compat_sys_pwritev2 fs/read_write.c:1218 [inline]
   __se_compat_sys_pwritev2 fs/read_write.c:1210 [inline]
   __ia32_compat_sys_pwritev2+0x121/0x1b0 fs/read_write.c:1210
   do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
   __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
   do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
   entry_SYSENTER_compat_after_hwframe+0x84/0x8e
  RIP: 0023:0xf7334579
  Code: b8 01 10 06 03 (...)
  RSP: 002b:00000000f5f265ac EFLAGS: 00000292 ORIG_RAX: 000000000000017b
  RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200002c0
  RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
  RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
  R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
  R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Fix this by ensuring we are under a NOFS scope whenever we call
btrfs_iget() during inode logging and log replay.

Reported-by: syzbot+8576cfa84070dce4d59b@syzkaller.appspotmail.com
Link: https://lore.kernel.org/linux-btrfs/000000000000274a3a061abbd928@google.com/
Fixes: 712e36c5f2a7 ("btrfs: use GFP_KERNEL in btrfs_alloc_inode")
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/tree-log.c | 43 ++++++++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 15 deletions(-)

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index d4fc5fedd8ee5..9d156aa8f20d1 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -138,6 +138,25 @@ static void wait_log_commit(struct btrfs_root *root, int transid);
  * and once to do all the other items.
  */
 
+static struct inode *btrfs_iget_logging(u64 objectid, struct btrfs_root *root)
+{
+	unsigned int nofs_flag;
+	struct inode *inode;
+
+	/*
+	 * We're holding a transaction handle whether we are logging or
+	 * replaying a log tree, so we must make sure NOFS semantics apply
+	 * because btrfs_alloc_inode() may be triggered and it uses GFP_KERNEL
+	 * to allocate an inode, which can recurse back into the filesystem and
+	 * attempt a transaction commit, resulting in a deadlock.
+	 */
+	nofs_flag = memalloc_nofs_save();
+	inode = btrfs_iget(root->fs_info->sb, objectid, root);
+	memalloc_nofs_restore(nofs_flag);
+
+	return inode;
+}
+
 /*
  * start a sub transaction and setup the log tree
  * this increments the log tree writer count to make the people
@@ -600,7 +619,7 @@ static noinline struct inode *read_one_inode(struct btrfs_root *root,
 {
 	struct inode *inode;
 
-	inode = btrfs_iget(root->fs_info->sb, objectid, root);
+	inode = btrfs_iget_logging(objectid, root);
 	if (IS_ERR(inode))
 		inode = NULL;
 	return inode;
@@ -5434,7 +5453,6 @@ static int log_new_dir_dentries(struct btrfs_trans_handle *trans,
 				struct btrfs_log_ctx *ctx)
 {
 	struct btrfs_root *root = start_inode->root;
-	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_path *path;
 	LIST_HEAD(dir_list);
 	struct btrfs_dir_list *dir_elem;
@@ -5495,7 +5513,7 @@ static int log_new_dir_dentries(struct btrfs_trans_handle *trans,
 				continue;
 
 			btrfs_release_path(path);
-			di_inode = btrfs_iget(fs_info->sb, di_key.objectid, root);
+			di_inode = btrfs_iget_logging(di_key.objectid, root);
 			if (IS_ERR(di_inode)) {
 				ret = PTR_ERR(di_inode);
 				goto out;
@@ -5555,7 +5573,7 @@ static int log_new_dir_dentries(struct btrfs_trans_handle *trans,
 		btrfs_add_delayed_iput(curr_inode);
 		curr_inode = NULL;
 
-		vfs_inode = btrfs_iget(fs_info->sb, ino, root);
+		vfs_inode = btrfs_iget_logging(ino, root);
 		if (IS_ERR(vfs_inode)) {
 			ret = PTR_ERR(vfs_inode);
 			break;
@@ -5650,7 +5668,7 @@ static int add_conflicting_inode(struct btrfs_trans_handle *trans,
 	if (ctx->num_conflict_inodes >= MAX_CONFLICT_INODES)
 		return BTRFS_LOG_FORCE_COMMIT;
 
-	inode = btrfs_iget(root->fs_info->sb, ino, root);
+	inode = btrfs_iget_logging(ino, root);
 	/*
 	 * If the other inode that had a conflicting dir entry was deleted in
 	 * the current transaction then we either:
@@ -5751,7 +5769,6 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
 				  struct btrfs_root *root,
 				  struct btrfs_log_ctx *ctx)
 {
-	struct btrfs_fs_info *fs_info = root->fs_info;
 	int ret = 0;
 
 	/*
@@ -5782,7 +5799,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
 		list_del(&curr->list);
 		kfree(curr);
 
-		inode = btrfs_iget(fs_info->sb, ino, root);
+		inode = btrfs_iget_logging(ino, root);
 		/*
 		 * If the other inode that had a conflicting dir entry was
 		 * deleted in the current transaction, we need to log its parent
@@ -5793,7 +5810,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
 			if (ret != -ENOENT)
 				break;
 
-			inode = btrfs_iget(fs_info->sb, parent, root);
+			inode = btrfs_iget_logging(parent, root);
 			if (IS_ERR(inode)) {
 				ret = PTR_ERR(inode);
 				break;
@@ -6315,7 +6332,6 @@ static int log_new_delayed_dentries(struct btrfs_trans_handle *trans,
 				    struct btrfs_log_ctx *ctx)
 {
 	const bool orig_log_new_dentries = ctx->log_new_dentries;
-	struct btrfs_fs_info *fs_info = trans->fs_info;
 	struct btrfs_delayed_item *item;
 	int ret = 0;
 
@@ -6341,7 +6357,7 @@ static int log_new_delayed_dentries(struct btrfs_trans_handle *trans,
 		if (key.type == BTRFS_ROOT_ITEM_KEY)
 			continue;
 
-		di_inode = btrfs_iget(fs_info->sb, key.objectid, inode->root);
+		di_inode = btrfs_iget_logging(key.objectid, inode->root);
 		if (IS_ERR(di_inode)) {
 			ret = PTR_ERR(di_inode);
 			break;
@@ -6725,7 +6741,6 @@ static int btrfs_log_all_parents(struct btrfs_trans_handle *trans,
 				 struct btrfs_inode *inode,
 				 struct btrfs_log_ctx *ctx)
 {
-	struct btrfs_fs_info *fs_info = trans->fs_info;
 	int ret;
 	struct btrfs_path *path;
 	struct btrfs_key key;
@@ -6790,8 +6805,7 @@ static int btrfs_log_all_parents(struct btrfs_trans_handle *trans,
 				cur_offset = item_size;
 			}
 
-			dir_inode = btrfs_iget(fs_info->sb, inode_key.objectid,
-					       root);
+			dir_inode = btrfs_iget_logging(inode_key.objectid, root);
 			/*
 			 * If the parent inode was deleted, return an error to
 			 * fallback to a transaction commit. This is to prevent
@@ -6853,7 +6867,6 @@ static int log_new_ancestors(struct btrfs_trans_handle *trans,
 	btrfs_item_key_to_cpu(path->nodes[0], &found_key, path->slots[0]);
 
 	while (true) {
-		struct btrfs_fs_info *fs_info = root->fs_info;
 		struct extent_buffer *leaf;
 		int slot;
 		struct btrfs_key search_key;
@@ -6868,7 +6881,7 @@ static int log_new_ancestors(struct btrfs_trans_handle *trans,
 		search_key.objectid = found_key.offset;
 		search_key.type = BTRFS_INODE_ITEM_KEY;
 		search_key.offset = 0;
-		inode = btrfs_iget(fs_info->sb, ino, root);
+		inode = btrfs_iget_logging(ino, root);
 		if (IS_ERR(inode))
 			return PTR_ERR(inode);
 
-- 
2.43.0

[PATCH 6.9 048/222] Fix race for duplicate reqsk on identical SYN

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: luoxuanqiang <luoxuanqiang@kylinos.cn>

[ Upstream commit ff46e3b4421923937b7f6e44ffcd3549a074f321 ]

When bonding is configured in BOND_MODE_BROADCAST mode, if two identical
SYN packets are received at the same time and processed on different CPUs,
it can potentially create the same sk (sock) but two different reqsk
(request_sock) in tcp_conn_request().

These two different reqsk will respond with two SYNACK packets, and since
the generation of the seq (ISN) incorporates a timestamp, the final two
SYNACK packets will have different seq values.

The consequence is that when the Client receives and replies with an ACK
to the earlier SYNACK packet, we will reset(RST) it.

========================================================================

This behavior is consistently reproducible in my local setup,
which comprises:

                  | NETA1 ------ NETB1 |
PC_A --- bond --- |                    | --- bond --- PC_B
                  | NETA2 ------ NETB2 |

- PC_A is the Server and has two network cards, NETA1 and NETA2. I have
  bonded these two cards using BOND_MODE_BROADCAST mode and configured
  them to be handled by different CPU.

- PC_B is the Client, also equipped with two network cards, NETB1 and
  NETB2, which are also bonded and configured in BOND_MODE_BROADCAST mode.

If the client attempts a TCP connection to the server, it might encounter
a failure. Capturing packets from the server side reveals:

10.10.10.10.45182 > localhost: Flags [S], seq 320236027,
10.10.10.10.45182 > localhost: Flags [S], seq 320236027,
localhost > 10.10.10.10.45182: Flags [S.], seq 2967855116,
localhost > 10.10.10.10.45182: Flags [S.], seq 2967855123, <==
10.10.10.10.45182 > localhost: Flags [.], ack 4294967290,
10.10.10.10.45182 > localhost: Flags [.], ack 4294967290,
localhost > 10.10.10.10.45182: Flags [R], seq 2967855117, <==
localhost > 10.10.10.10.45182: Flags [R], seq 2967855117,

Two SYNACKs with different seq numbers are sent by localhost,
resulting in an anomaly.

========================================================================

The attempted solution is as follows:
Add a return value to inet_csk_reqsk_queue_hash_add() to confirm if the
ehash insertion is successful (Up to now, the reason for unsuccessful
insertion is that a reqsk for the same connection has already been
inserted). If the insertion fails, release the reqsk.

Due to the refcnt, Kuniyuki suggests also adding a return value check
for the DCCP module; if ehash insertion fails, indicating a successful
insertion of the same connection, simply release the reqsk as well.

Simultaneously, In the reqsk_queue_hash_req(), the start of the
req->rsk_timer is adjusted to be after successful insertion.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: luoxuanqiang <luoxuanqiang@kylinos.cn>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240621013929.1386815-1-luoxuanqiang@kylinos.cn
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/net/inet_connection_sock.h |  2 +-
 net/dccp/ipv4.c                    |  7 +++++--
 net/dccp/ipv6.c                    |  7 +++++--
 net/ipv4/inet_connection_sock.c    | 17 +++++++++++++----
 net/ipv4/tcp_input.c               |  7 ++++++-
 5 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index ccf171f7eb60d..146ece8563cae 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -266,7 +266,7 @@ struct dst_entry *inet_csk_route_child_sock(const struct sock *sk,
 struct sock *inet_csk_reqsk_queue_add(struct sock *sk,
 				      struct request_sock *req,
 				      struct sock *child);
-void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
+bool inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
 				   unsigned long timeout);
 struct sock *inet_csk_complete_hashdance(struct sock *sk, struct sock *child,
 					 struct request_sock *req,
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 44b033fe1ef68..f94d30b171992 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -655,8 +655,11 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	if (dccp_v4_send_response(sk, req))
 		goto drop_and_free;
 
-	inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
-	reqsk_put(req);
+	if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT)))
+		reqsk_free(req);
+	else
+		reqsk_put(req);
+
 	return 0;
 
 drop_and_free:
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index ded07e09f8135..ddbd490b3531b 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -398,8 +398,11 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	if (dccp_v6_send_response(sk, req))
 		goto drop_and_free;
 
-	inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
-	reqsk_put(req);
+	if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT)))
+		reqsk_free(req);
+	else
+		reqsk_put(req);
+
 	return 0;
 
 drop_and_free:
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 3b38610958ee4..39e9070fe3cdf 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -1121,25 +1121,34 @@ static void reqsk_timer_handler(struct timer_list *t)
 	inet_csk_reqsk_queue_drop_and_put(oreq->rsk_listener, oreq);
 }
 
-static void reqsk_queue_hash_req(struct request_sock *req,
+static bool reqsk_queue_hash_req(struct request_sock *req,
 				 unsigned long timeout)
 {
+	bool found_dup_sk = false;
+
+	if (!inet_ehash_insert(req_to_sk(req), NULL, &found_dup_sk))
+		return false;
+
+	/* The timer needs to be setup after a successful insertion. */
 	timer_setup(&req->rsk_timer, reqsk_timer_handler, TIMER_PINNED);
 	mod_timer(&req->rsk_timer, jiffies + timeout);
 
-	inet_ehash_insert(req_to_sk(req), NULL, NULL);
 	/* before letting lookups find us, make sure all req fields
 	 * are committed to memory and refcnt initialized.
 	 */
 	smp_wmb();
 	refcount_set(&req->rsk_refcnt, 2 + 1);
+	return true;
 }
 
-void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
+bool inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
 				   unsigned long timeout)
 {
-	reqsk_queue_hash_req(req, timeout);
+	if (!reqsk_queue_hash_req(req, timeout))
+		return false;
+
 	inet_csk_reqsk_queue_added(sk);
+	return true;
 }
 EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_hash_add);
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1054a440332d3..d37b45b90a61c 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -7243,7 +7243,12 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
 		tcp_rsk(req)->tfo_listener = false;
 		if (!want_cookie) {
 			req->timeout = tcp_timeout_init((struct sock *)req);
-			inet_csk_reqsk_queue_hash_add(sk, req, req->timeout);
+			if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req,
+								    req->timeout))) {
+				reqsk_free(req);
+				return 0;
+			}
+
 		}
 		af_ops->send_synack(sk, dst, &fl, req, &foc,
 				    !want_cookie ? TCP_SYNACK_NORMAL :
-- 
2.43.0

[PATCH 6.9 049/222] ALSA: seq: Fix missing channel at encoding RPN/NRPN MIDI2 messages

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit c5ab94ea280a9b4108723eecf0a636e22a5bb137 ]

The conversion from the legacy event to MIDI2 UMP for RPN and NRPN
missed the setup of the channel number, resulting in always the
channel 0.  Fix it.

Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events")
Link: https://patch.msgid.link/20240625095200.25745-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/core/seq/seq_ump_convert.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c
index d81f776a4c3dd..6687efdceea13 100644
--- a/sound/core/seq/seq_ump_convert.c
+++ b/sound/core/seq/seq_ump_convert.c
@@ -791,7 +791,8 @@ static int paf_ev_to_ump_midi2(const struct snd_seq_event *event,
 
 /* set up the MIDI2 RPN/NRPN packet data from the parsed info */
 static void fill_rpn(struct snd_seq_ump_midi2_bank *cc,
-		     union snd_ump_midi2_msg *data)
+		     union snd_ump_midi2_msg *data,
+		     unsigned char channel)
 {
 	if (cc->rpn_set) {
 		data->rpn.status = UMP_MSG_STATUS_RPN;
@@ -808,6 +809,7 @@ static void fill_rpn(struct snd_seq_ump_midi2_bank *cc,
 	}
 	data->rpn.data = upscale_14_to_32bit((cc->cc_data_msb << 7) |
 					     cc->cc_data_lsb);
+	data->rpn.channel = channel;
 	cc->cc_data_msb = cc->cc_data_lsb = 0;
 }
 
@@ -855,7 +857,7 @@ static int cc_ev_to_ump_midi2(const struct snd_seq_event *event,
 		cc->cc_data_lsb = val;
 		if (!(cc->rpn_set || cc->nrpn_set))
 			return 0; // skip
-		fill_rpn(cc, data);
+		fill_rpn(cc, data, channel);
 		return 1;
 	}
 
@@ -957,7 +959,7 @@ static int ctrl14_ev_to_ump_midi2(const struct snd_seq_event *event,
 		cc->cc_data_lsb = lsb;
 		if (!(cc->rpn_set || cc->nrpn_set))
 			return 0; // skip
-		fill_rpn(cc, data);
+		fill_rpn(cc, data, channel);
 		return 1;
 	}
 
-- 
2.43.0

[PATCH 6.9 050/222] net: dsa: microchip: fix wrong register write when masking interrupt

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tristram Ha <tristram.ha@microchip.com>

[ Upstream commit b1c4b4d45263241ec6c2405a8df8265d4b58e707 ]

The switch global port interrupt mask, REG_SW_PORT_INT_MASK__4, is
defined as 0x001C in ksz9477_reg.h.  The designers used 32-bit value in
anticipation for increase of port count in future product but currently
the maximum port count is 7 and the effective value is 0x7F in register
0x001F.  Each port has its own interrupt mask and is defined as 0x#01F.
It uses only 4 bits for different interrupts.

The developer who implemented the current interrupt mechanism in the
switch driver noticed there are similarities between the mechanism to
mask port interrupts in global interrupt and individual interrupts in
each port and so used the same code to handle these interrupts.  He
updated the code to use the new macro REG_SW_PORT_INT_MASK__1 which is
defined as 0x1F in ksz_common.h but he forgot to update the 32-bit write
to 8-bit as now the mask registers are 0x1F and 0x#01F.

In addition all KSZ switches other than the KSZ9897/KSZ9893 and LAN937X
families use only 8-bit access and so this common code will eventually
be changed to accommodate them.

Fixes: e1add7dd6183 ("net: dsa: microchip: use common irq routines for girq and pirq")
Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Link: https://lore.kernel.org/r/1719009262-2948-1-git-send-email-Tristram.Ha@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/microchip/ksz_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 2a5861a88d0e6..e54f83a2e7d30 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -2129,7 +2129,7 @@ static void ksz_irq_bus_sync_unlock(struct irq_data *d)
 	struct ksz_device *dev = kirq->dev;
 	int ret;
 
-	ret = ksz_write32(dev, kirq->reg_mask, kirq->masked);
+	ret = ksz_write8(dev, kirq->reg_mask, kirq->masked);
 	if (ret)
 		dev_err(dev->dev, "failed to change IRQ mask\n");
 
-- 
2.43.0

[PATCH 6.9 051/222] sparc: fix old compat_sys_select()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit bae6428a9fffb2023191b0723e276cf1377a7c9f ]

sparc has two identical select syscalls at numbers 93 and 230, respectively.
During the conversion to the modern syscall.tbl format, the older one of the
two broke in compat mode, and now refers to the native 64-bit syscall.

Restore the correct behavior. This has very little effect, as glibc has
been using the newer number anyway.

Fixes: 6ff645dd683a ("sparc: add system call table generation support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/sparc/kernel/syscalls/syscall.tbl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index b23d59313589a..45c01529585c9 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -117,7 +117,7 @@
 90	common	dup2			sys_dup2
 91	32	setfsuid32		sys_setfsuid
 92	common	fcntl			sys_fcntl			compat_sys_fcntl
-93	common	select			sys_select
+93	common	select			sys_select			compat_sys_select
 94	32	setfsgid32		sys_setfsgid
 95	common	fsync			sys_fsync
 96	common	setpriority		sys_setpriority
-- 
2.43.0

[PATCH 6.9 052/222] sparc: fix compat recv/recvfrom syscalls

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit d6fbd26fb872ec518d25433a12e8ce8163e20909 ]

sparc has the wrong compat version of recv() and recvfrom() for both the
direct syscalls and socketcall().

The direct syscalls just need to use the compat version. For socketcall,
the same thing could be done, but it seems better to completely remove
the custom assembler code for it and just use the same implementation that
everyone else has.

Fixes: 1dacc76d0014 ("net/compat/wext: send different messages to compat tasks")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/sparc/kernel/sys32.S              | 221 -------------------------
 arch/sparc/kernel/syscalls/syscall.tbl |   4 +-
 2 files changed, 2 insertions(+), 223 deletions(-)

diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index a45f0f31fe51a..a3d308f2043e5 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -18,224 +18,3 @@ sys32_mmap2:
 	sethi		%hi(sys_mmap), %g1
 	jmpl		%g1 + %lo(sys_mmap), %g0
 	 sllx		%o5, 12, %o5
-
-	.align		32
-	.globl		sys32_socketcall
-sys32_socketcall:	/* %o0=call, %o1=args */
-	cmp		%o0, 1
-	bl,pn		%xcc, do_einval
-	 cmp		%o0, 18
-	bg,pn		%xcc, do_einval
-	 sub		%o0, 1, %o0
-	sllx		%o0, 5, %o0
-	sethi		%hi(__socketcall_table_begin), %g2
-	or		%g2, %lo(__socketcall_table_begin), %g2
-	jmpl		%g2 + %o0, %g0
-	 nop
-do_einval:
-	retl
-	 mov		-EINVAL, %o0
-
-	.align		32
-__socketcall_table_begin:
-
-	/* Each entry is exactly 32 bytes. */
-do_sys_socket: /* sys_socket(int, int, int) */
-1:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_socket), %g1
-2:	ldswa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(sys_socket), %g0
-3:	 ldswa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
-4:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_bind), %g1
-5:	ldswa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(sys_bind), %g0
-6:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
-7:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_connect), %g1
-8:	ldswa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(sys_connect), %g0
-9:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_listen: /* sys_listen(int, int) */
-10:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_listen), %g1
-	jmpl		%g1 + %lo(sys_listen), %g0
-11:	 ldswa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-	nop
-do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
-12:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_accept), %g1
-13:	lduwa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(sys_accept), %g0
-14:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
-15:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_getsockname), %g1
-16:	lduwa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(sys_getsockname), %g0
-17:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
-18:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_getpeername), %g1
-19:	lduwa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(sys_getpeername), %g0
-20:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
-21:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_socketpair), %g1
-22:	ldswa		[%o1 + 0x8] %asi, %o2
-23:	lduwa		[%o1 + 0xc] %asi, %o3
-	jmpl		%g1 + %lo(sys_socketpair), %g0
-24:	 ldswa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
-25:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_send), %g1
-26:	lduwa		[%o1 + 0x8] %asi, %o2
-27:	lduwa		[%o1 + 0xc] %asi, %o3
-	jmpl		%g1 + %lo(sys_send), %g0
-28:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
-29:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_recv), %g1
-30:	lduwa		[%o1 + 0x8] %asi, %o2
-31:	lduwa		[%o1 + 0xc] %asi, %o3
-	jmpl		%g1 + %lo(sys_recv), %g0
-32:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
-33:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_sendto), %g1
-34:	lduwa		[%o1 + 0x8] %asi, %o2
-35:	lduwa		[%o1 + 0xc] %asi, %o3
-36:	lduwa		[%o1 + 0x10] %asi, %o4
-37:	ldswa		[%o1 + 0x14] %asi, %o5
-	jmpl		%g1 + %lo(sys_sendto), %g0
-38:	 lduwa		[%o1 + 0x4] %asi, %o1
-do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
-39:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_recvfrom), %g1
-40:	lduwa		[%o1 + 0x8] %asi, %o2
-41:	lduwa		[%o1 + 0xc] %asi, %o3
-42:	lduwa		[%o1 + 0x10] %asi, %o4
-43:	lduwa		[%o1 + 0x14] %asi, %o5
-	jmpl		%g1 + %lo(sys_recvfrom), %g0
-44:	 lduwa		[%o1 + 0x4] %asi, %o1
-do_sys_shutdown: /* sys_shutdown(int, int) */
-45:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_shutdown), %g1
-	jmpl		%g1 + %lo(sys_shutdown), %g0
-46:	 ldswa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-	nop
-do_sys_setsockopt: /* sys_setsockopt(int, int, int, char *, int) */
-47:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_setsockopt), %g1
-48:	ldswa		[%o1 + 0x8] %asi, %o2
-49:	lduwa		[%o1 + 0xc] %asi, %o3
-50:	ldswa		[%o1 + 0x10] %asi, %o4
-	jmpl		%g1 + %lo(sys_setsockopt), %g0
-51:	 ldswa		[%o1 + 0x4] %asi, %o1
-	nop
-do_sys_getsockopt: /* sys_getsockopt(int, int, int, u32, u32) */
-52:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_getsockopt), %g1
-53:	ldswa		[%o1 + 0x8] %asi, %o2
-54:	lduwa		[%o1 + 0xc] %asi, %o3
-55:	lduwa		[%o1 + 0x10] %asi, %o4
-	jmpl		%g1 + %lo(sys_getsockopt), %g0
-56:	 ldswa		[%o1 + 0x4] %asi, %o1
-	nop
-do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
-57:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(compat_sys_sendmsg), %g1
-58:	lduwa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(compat_sys_sendmsg), %g0
-59:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
-60:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(compat_sys_recvmsg), %g1
-61:	lduwa		[%o1 + 0x8] %asi, %o2
-	jmpl		%g1 + %lo(compat_sys_recvmsg), %g0
-62:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-	nop
-do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
-63:	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys_accept4), %g1
-64:	lduwa		[%o1 + 0x8] %asi, %o2
-65:	ldswa		[%o1 + 0xc] %asi, %o3
-	jmpl		%g1 + %lo(sys_accept4), %g0
-66:	 lduwa		[%o1 + 0x4] %asi, %o1
-	nop
-	nop
-
-	.section	__ex_table,"a"
-	.align		4
-	.word		1b, __retl_efault, 2b, __retl_efault
-	.word		3b, __retl_efault, 4b, __retl_efault
-	.word		5b, __retl_efault, 6b, __retl_efault
-	.word		7b, __retl_efault, 8b, __retl_efault
-	.word		9b, __retl_efault, 10b, __retl_efault
-	.word		11b, __retl_efault, 12b, __retl_efault
-	.word		13b, __retl_efault, 14b, __retl_efault
-	.word		15b, __retl_efault, 16b, __retl_efault
-	.word		17b, __retl_efault, 18b, __retl_efault
-	.word		19b, __retl_efault, 20b, __retl_efault
-	.word		21b, __retl_efault, 22b, __retl_efault
-	.word		23b, __retl_efault, 24b, __retl_efault
-	.word		25b, __retl_efault, 26b, __retl_efault
-	.word		27b, __retl_efault, 28b, __retl_efault
-	.word		29b, __retl_efault, 30b, __retl_efault
-	.word		31b, __retl_efault, 32b, __retl_efault
-	.word		33b, __retl_efault, 34b, __retl_efault
-	.word		35b, __retl_efault, 36b, __retl_efault
-	.word		37b, __retl_efault, 38b, __retl_efault
-	.word		39b, __retl_efault, 40b, __retl_efault
-	.word		41b, __retl_efault, 42b, __retl_efault
-	.word		43b, __retl_efault, 44b, __retl_efault
-	.word		45b, __retl_efault, 46b, __retl_efault
-	.word		47b, __retl_efault, 48b, __retl_efault
-	.word		49b, __retl_efault, 50b, __retl_efault
-	.word		51b, __retl_efault, 52b, __retl_efault
-	.word		53b, __retl_efault, 54b, __retl_efault
-	.word		55b, __retl_efault, 56b, __retl_efault
-	.word		57b, __retl_efault, 58b, __retl_efault
-	.word		59b, __retl_efault, 60b, __retl_efault
-	.word		61b, __retl_efault, 62b, __retl_efault
-	.word		63b, __retl_efault, 64b, __retl_efault
-	.word		65b, __retl_efault, 66b, __retl_efault
-	.previous
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index 45c01529585c9..8c6a8dc309a44 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -155,7 +155,7 @@
 123	32	fchown			sys_fchown16
 123	64	fchown			sys_fchown
 124	common	fchmod			sys_fchmod
-125	common	recvfrom		sys_recvfrom
+125	common	recvfrom		sys_recvfrom			compat_sys_recvfrom
 126	32	setreuid		sys_setreuid16
 126	64	setreuid		sys_setreuid
 127	32	setregid		sys_setregid16
@@ -247,7 +247,7 @@
 204	32	readdir			sys_old_readdir			compat_sys_old_readdir
 204	64	readdir			sys_nis_syscall
 205	common	readahead		sys_readahead			compat_sys_readahead
-206	common	socketcall		sys_socketcall			sys32_socketcall
+206	common	socketcall		sys_socketcall			compat_sys_socketcall
 207	common	syslog			sys_syslog
 208	common	lookup_dcookie		sys_ni_syscall
 209	common	fadvise64		sys_fadvise64			compat_sys_fadvise64
-- 
2.43.0

[PATCH 6.9 053/222] parisc: use correct compat recv/recvfrom syscalls

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 20a50787349fadf66ac5c48f62e58d753878d2bb ]

Johannes missed parisc back when he introduced the compat version
of these syscalls, so receiving cmsg messages that require a compat
conversion is still broken.

Use the correct calls like the other architectures do.

Fixes: 1dacc76d0014 ("net/compat/wext: send different messages to compat tasks")
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/parisc/kernel/syscalls/syscall.tbl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index b236a84c4e127..58ecf687d98da 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -108,7 +108,7 @@
 95	common	fchown			sys_fchown
 96	common	getpriority		sys_getpriority
 97	common	setpriority		sys_setpriority
-98	common	recv			sys_recv
+98	common	recv			sys_recv			compat_sys_recv
 99	common	statfs			sys_statfs			compat_sys_statfs
 100	common	fstatfs			sys_fstatfs			compat_sys_fstatfs
 101	common	stat64			sys_stat64
@@ -135,7 +135,7 @@
 120	common	clone			sys_clone_wrapper
 121	common	setdomainname		sys_setdomainname
 122	common	sendfile		sys_sendfile			compat_sys_sendfile
-123	common	recvfrom		sys_recvfrom
+123	common	recvfrom		sys_recvfrom			compat_sys_recvfrom
 124	32	adjtimex		sys_adjtimex_time32
 124	64	adjtimex		sys_adjtimex
 125	common	mprotect		sys_mprotect
-- 
2.43.0

[PATCH 6.9 054/222] powerpc: restore some missing spu syscalls

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit b1e31c134a8ab2e8f5fd62323b6b45a950ac704d ]

A couple of system calls were inadventently removed from the table during
a bugfix for 32-bit powerpc entry. Restore the original behavior.

Fixes: e23750623835 ("powerpc/32: fix syscall wrappers with 64-bit arguments of unaligned register-pairs")
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/kernel/syscalls/syscall.tbl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 17173b82ca21d..9d7e4a313d332 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -230,8 +230,10 @@
 178	nospu 	rt_sigsuspend			sys_rt_sigsuspend		compat_sys_rt_sigsuspend
 179	32	pread64				sys_ppc_pread64			compat_sys_ppc_pread64
 179	64	pread64				sys_pread64
+179	spu	pread64				sys_pread64
 180	32	pwrite64			sys_ppc_pwrite64		compat_sys_ppc_pwrite64
 180	64	pwrite64			sys_pwrite64
+180	spu	pwrite64			sys_pwrite64
 181	common	chown				sys_chown
 182	common	getcwd				sys_getcwd
 183	common	capget				sys_capget
@@ -246,6 +248,7 @@
 190	common	ugetrlimit			sys_getrlimit			compat_sys_getrlimit
 191	32	readahead			sys_ppc_readahead		compat_sys_ppc_readahead
 191	64	readahead			sys_readahead
+191	spu	readahead			sys_readahead
 192	32	mmap2				sys_mmap2			compat_sys_mmap2
 193	32	truncate64			sys_ppc_truncate64		compat_sys_ppc_truncate64
 194	32	ftruncate64			sys_ppc_ftruncate64		compat_sys_ppc_ftruncate64
@@ -293,6 +296,7 @@
 232	nospu	set_tid_address			sys_set_tid_address
 233	32	fadvise64			sys_ppc32_fadvise64		compat_sys_ppc32_fadvise64
 233	64	fadvise64			sys_fadvise64
+233	spu	fadvise64			sys_fadvise64
 234	nospu	exit_group			sys_exit_group
 235	nospu	lookup_dcookie			sys_ni_syscall
 236	common	epoll_create			sys_epoll_create
-- 
2.43.0

[PATCH 6.9 055/222] ionic: use dev_consume_skb_any outside of napi

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Shannon Nelson <shannon.nelson@amd.com>

[ Upstream commit 84b767f9e34fdb143c09e66a2a20722fc2921821 ]

If we're not in a NAPI softirq context, we need to be careful
about how we call napi_consume_skb(), specifically we need to
call it with budget==0 to signal to it that we're not in a
safe context.

This was found while running some configuration stress testing
of traffic and a change queue config loop running, and this
curious note popped out:

[ 4371.402645] BUG: using smp_processor_id() in preemptible [00000000] code: ethtool/20545
[ 4371.402897] caller is napi_skb_cache_put+0x16/0x80
[ 4371.403120] CPU: 25 PID: 20545 Comm: ethtool Kdump: loaded Tainted: G           OE      6.10.0-rc3-netnext+ #8
[ 4371.403302] Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 01/23/2021
[ 4371.403460] Call Trace:
[ 4371.403613]  <TASK>
[ 4371.403758]  dump_stack_lvl+0x4f/0x70
[ 4371.403904]  check_preemption_disabled+0xc1/0xe0
[ 4371.404051]  napi_skb_cache_put+0x16/0x80
[ 4371.404199]  ionic_tx_clean+0x18a/0x240 [ionic]
[ 4371.404354]  ionic_tx_cq_service+0xc4/0x200 [ionic]
[ 4371.404505]  ionic_tx_flush+0x15/0x70 [ionic]
[ 4371.404653]  ? ionic_lif_qcq_deinit.isra.23+0x5b/0x70 [ionic]
[ 4371.404805]  ionic_txrx_deinit+0x71/0x190 [ionic]
[ 4371.404956]  ionic_reconfigure_queues+0x5f5/0xff0 [ionic]
[ 4371.405111]  ionic_set_ringparam+0x2e8/0x3e0 [ionic]
[ 4371.405265]  ethnl_set_rings+0x1f1/0x300
[ 4371.405418]  ethnl_default_set_doit+0xbb/0x160
[ 4371.405571]  genl_family_rcv_msg_doit+0xff/0x130
	[...]

I found that ionic_tx_clean() calls napi_consume_skb() which calls
napi_skb_cache_put(), but before that last call is the note
    /* Zero budget indicate non-NAPI context called us, like netpoll */
and
    DEBUG_NET_WARN_ON_ONCE(!in_softirq());

Those are pretty big hints that we're doing it wrong.  We can pass a
context hint down through the calls to let ionic_tx_clean() know what
we're doing so it can call napi_consume_skb() correctly.

Fixes: 386e69865311 ("ionic: Make use napi_consume_skb")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://patch.msgid.link/20240624175015.4520-1-shannon.nelson@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/ethernet/pensando/ionic/ionic_dev.h   |  4 ++-
 .../net/ethernet/pensando/ionic/ionic_lif.c   |  2 +-
 .../net/ethernet/pensando/ionic/ionic_txrx.c  | 28 +++++++++++--------
 3 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index f30eee4a5a80e..b6c01a88098dc 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -375,7 +375,9 @@ typedef void (*ionic_cq_done_cb)(void *done_arg);
 unsigned int ionic_cq_service(struct ionic_cq *cq, unsigned int work_to_do,
 			      ionic_cq_cb cb, ionic_cq_done_cb done_cb,
 			      void *done_arg);
-unsigned int ionic_tx_cq_service(struct ionic_cq *cq, unsigned int work_to_do);
+unsigned int ionic_tx_cq_service(struct ionic_cq *cq,
+				 unsigned int work_to_do,
+				 bool in_napi);
 
 int ionic_q_init(struct ionic_lif *lif, struct ionic_dev *idev,
 		 struct ionic_queue *q, unsigned int index, const char *name,
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 0cd819bc4ae35..1dec4ebd708f2 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1189,7 +1189,7 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget)
 					   ionic_rx_service, NULL, NULL);
 
 	if (lif->hwstamp_txq)
-		tx_work = ionic_tx_cq_service(&lif->hwstamp_txq->cq, budget);
+		tx_work = ionic_tx_cq_service(&lif->hwstamp_txq->cq, budget, !!budget);
 
 	work_done = max(max(n_work, a_work), max(rx_work, tx_work));
 	if (work_done < budget && napi_complete_done(napi, work_done)) {
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index aed7d9cbce038..9fdd7cd3ef19d 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -23,7 +23,8 @@ static void ionic_tx_desc_unmap_bufs(struct ionic_queue *q,
 
 static void ionic_tx_clean(struct ionic_queue *q,
 			   struct ionic_tx_desc_info *desc_info,
-			   struct ionic_txq_comp *comp);
+			   struct ionic_txq_comp *comp,
+			   bool in_napi);
 
 static inline void ionic_txq_post(struct ionic_queue *q, bool ring_dbell)
 {
@@ -944,7 +945,7 @@ int ionic_tx_napi(struct napi_struct *napi, int budget)
 	u32 work_done = 0;
 	u32 flags = 0;
 
-	work_done = ionic_tx_cq_service(cq, budget);
+	work_done = ionic_tx_cq_service(cq, budget, !!budget);
 
 	if (unlikely(!budget))
 		return budget;
@@ -1028,7 +1029,7 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget)
 	txqcq = lif->txqcqs[qi];
 	txcq = &lif->txqcqs[qi]->cq;
 
-	tx_work_done = ionic_tx_cq_service(txcq, IONIC_TX_BUDGET_DEFAULT);
+	tx_work_done = ionic_tx_cq_service(txcq, IONIC_TX_BUDGET_DEFAULT, !!budget);
 
 	if (unlikely(!budget))
 		return budget;
@@ -1161,7 +1162,8 @@ static void ionic_tx_desc_unmap_bufs(struct ionic_queue *q,
 
 static void ionic_tx_clean(struct ionic_queue *q,
 			   struct ionic_tx_desc_info *desc_info,
-			   struct ionic_txq_comp *comp)
+			   struct ionic_txq_comp *comp,
+			   bool in_napi)
 {
 	struct ionic_tx_stats *stats = q_to_tx_stats(q);
 	struct ionic_qcq *qcq = q_to_qcq(q);
@@ -1213,11 +1215,13 @@ static void ionic_tx_clean(struct ionic_queue *q,
 	desc_info->bytes = skb->len;
 	stats->clean++;
 
-	napi_consume_skb(skb, 1);
+	napi_consume_skb(skb, likely(in_napi) ? 1 : 0);
 }
 
 static bool ionic_tx_service(struct ionic_cq *cq,
-			     unsigned int *total_pkts, unsigned int *total_bytes)
+			     unsigned int *total_pkts,
+			     unsigned int *total_bytes,
+			     bool in_napi)
 {
 	struct ionic_tx_desc_info *desc_info;
 	struct ionic_queue *q = cq->bound_q;
@@ -1239,7 +1243,7 @@ static bool ionic_tx_service(struct ionic_cq *cq,
 		desc_info->bytes = 0;
 		index = q->tail_idx;
 		q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1);
-		ionic_tx_clean(q, desc_info, comp);
+		ionic_tx_clean(q, desc_info, comp, in_napi);
 		if (desc_info->skb) {
 			pkts++;
 			bytes += desc_info->bytes;
@@ -1253,7 +1257,9 @@ static bool ionic_tx_service(struct ionic_cq *cq,
 	return true;
 }
 
-unsigned int ionic_tx_cq_service(struct ionic_cq *cq, unsigned int work_to_do)
+unsigned int ionic_tx_cq_service(struct ionic_cq *cq,
+				 unsigned int work_to_do,
+				 bool in_napi)
 {
 	unsigned int work_done = 0;
 	unsigned int bytes = 0;
@@ -1262,7 +1268,7 @@ unsigned int ionic_tx_cq_service(struct ionic_cq *cq, unsigned int work_to_do)
 	if (work_to_do == 0)
 		return 0;
 
-	while (ionic_tx_service(cq, &pkts, &bytes)) {
+	while (ionic_tx_service(cq, &pkts, &bytes, in_napi)) {
 		if (cq->tail_idx == cq->num_descs - 1)
 			cq->done_color = !cq->done_color;
 		cq->tail_idx = (cq->tail_idx + 1) & (cq->num_descs - 1);
@@ -1288,7 +1294,7 @@ void ionic_tx_flush(struct ionic_cq *cq)
 {
 	u32 work_done;
 
-	work_done = ionic_tx_cq_service(cq, cq->num_descs);
+	work_done = ionic_tx_cq_service(cq, cq->num_descs, false);
 	if (work_done)
 		ionic_intr_credits(cq->idev->intr_ctrl, cq->bound_intr->index,
 				   work_done, IONIC_INTR_CRED_RESET_COALESCE);
@@ -1305,7 +1311,7 @@ void ionic_tx_empty(struct ionic_queue *q)
 		desc_info = &q->tx_info[q->tail_idx];
 		desc_info->bytes = 0;
 		q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1);
-		ionic_tx_clean(q, desc_info, NULL);
+		ionic_tx_clean(q, desc_info, NULL, false);
 		if (desc_info->skb) {
 			pkts++;
 			bytes += desc_info->bytes;
-- 
2.43.0

[PATCH 6.9 056/222] tcp: fix tcp_rcv_fastopen_synack() to enter TCP_CA_Loss for failed TFO

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Neal Cardwell <ncardwell@google.com>

[ Upstream commit 5dfe9d273932c647bdc9d664f939af9a5a398cbc ]

Testing determined that the recent commit 9e046bb111f1 ("tcp: clear
tp->retrans_stamp in tcp_rcv_fastopen_synack()") has a race, and does
not always ensure retrans_stamp is 0 after a TFO payload retransmit.

If transmit completion for the SYN+data skb happens after the client
TCP stack receives the SYNACK (which sometimes happens), then
retrans_stamp can erroneously remain non-zero for the lifetime of the
connection, causing a premature ETIMEDOUT later.

Testing and tracing showed that the buggy scenario is the following
somewhat tricky sequence:

+ Client attempts a TFO handshake. tcp_send_syn_data() sends SYN + TFO
  cookie + data in a single packet in the syn_data skb. It hands the
  syn_data skb to tcp_transmit_skb(), which makes a clone. Crucially,
  it then reuses the same original (non-clone) syn_data skb,
  transforming it by advancing the seq by one byte and removing the
  FIN bit, and enques the resulting payload-only skb in the
  sk->tcp_rtx_queue.

+ Client sets retrans_stamp to the start time of the three-way
  handshake.

+ Cookie mismatches or server has TFO disabled, and server only ACKs
  SYN.

+ tcp_ack() sees SYN is acked, tcp_clean_rtx_queue() clears
  retrans_stamp.

+ Since the client SYN was acked but not the payload, the TFO failure
  code path in tcp_rcv_fastopen_synack() tries to retransmit the
  payload skb.  However, in some cases the transmit completion for the
  clone of the syn_data (which had SYN + TFO cookie + data) hasn't
  happened.  In those cases, skb_still_in_host_queue() returns true
  for the retransmitted TFO payload, because the clone of the syn_data
  skb has not had its tx completetion.

+ Because skb_still_in_host_queue() finds skb_fclone_busy() is true,
  it sets the TSQ_THROTTLED bit and the retransmit does not happen in
  the tcp_rcv_fastopen_synack() call chain.

+ The tcp_rcv_fastopen_synack() code next implicitly assumes the
  retransmit process is finished, and sets retrans_stamp to 0 to clear
  it, but this is later overwritten (see below).

+ Later, upon tx completion, tcp_tsq_write() calls
  tcp_xmit_retransmit_queue(), which puts the retransmit in flight and
  sets retrans_stamp to a non-zero value.

+ The client receives an ACK for the retransmitted TFO payload data.

+ Since we're in CA_Open and there are no dupacks/SACKs/DSACKs/ECN to
  make tcp_ack_is_dubious() true and make us call
  tcp_fastretrans_alert() and reach a code path that clears
  retrans_stamp, retrans_stamp stays nonzero.

+ Later, if there is a TLP, RTO, RTO sequence, then the connection
  will suffer an early ETIMEDOUT due to the erroneously ancient
  retrans_stamp.

The fix: this commit refactors the code to have
tcp_rcv_fastopen_synack() retransmit by reusing the relevant parts of
tcp_simple_retransmit() that enter CA_Loss (without changing cwnd) and
call tcp_xmit_retransmit_queue(). We have tcp_simple_retransmit() and
tcp_rcv_fastopen_synack() share code in this way because in both cases
we get a packet indicating non-congestion loss (MTU reduction or TFO
failure) and thus in both cases we want to retransmit as many packets
as cwnd allows, without reducing cwnd. And given that retransmits will
set retrans_stamp to a non-zero value (and may do so in a later
calling context due to TSQ), we also want to enter CA_Loss so that we
track when all retransmitted packets are ACked and clear retrans_stamp
when that happens (to ensure later recurring RTOs are using the
correct retrans_stamp and don't declare ETIMEDOUT prematurely).

Fixes: 9e046bb111f1 ("tcp: clear tp->retrans_stamp in tcp_rcv_fastopen_synack()")
Fixes: a7abf3cd76e1 ("tcp: consider using standard rtx logic in tcp_rcv_fastopen_synack()")
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Link: https://patch.msgid.link/20240624144323.2371403-1-ncardwell.sw@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/tcp_input.c | 38 +++++++++++++++++++++++++++-----------
 1 file changed, 27 insertions(+), 11 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d37b45b90a61c..0953c915bb4de 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2779,13 +2779,37 @@ static void tcp_mtup_probe_success(struct sock *sk)
 	NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPMTUPSUCCESS);
 }
 
+/* Sometimes we deduce that packets have been dropped due to reasons other than
+ * congestion, like path MTU reductions or failed client TFO attempts. In these
+ * cases we call this function to retransmit as many packets as cwnd allows,
+ * without reducing cwnd. Given that retransmits will set retrans_stamp to a
+ * non-zero value (and may do so in a later calling context due to TSQ), we
+ * also enter CA_Loss so that we track when all retransmitted packets are ACKed
+ * and clear retrans_stamp when that happens (to ensure later recurring RTOs
+ * are using the correct retrans_stamp and don't declare ETIMEDOUT
+ * prematurely).
+ */
+static void tcp_non_congestion_loss_retransmit(struct sock *sk)
+{
+	const struct inet_connection_sock *icsk = inet_csk(sk);
+	struct tcp_sock *tp = tcp_sk(sk);
+
+	if (icsk->icsk_ca_state != TCP_CA_Loss) {
+		tp->high_seq = tp->snd_nxt;
+		tp->snd_ssthresh = tcp_current_ssthresh(sk);
+		tp->prior_ssthresh = 0;
+		tp->undo_marker = 0;
+		tcp_set_ca_state(sk, TCP_CA_Loss);
+	}
+	tcp_xmit_retransmit_queue(sk);
+}
+
 /* Do a simple retransmit without using the backoff mechanisms in
  * tcp_timer. This is used for path mtu discovery.
  * The socket is already locked here.
  */
 void tcp_simple_retransmit(struct sock *sk)
 {
-	const struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct sk_buff *skb;
 	int mss;
@@ -2825,14 +2849,7 @@ void tcp_simple_retransmit(struct sock *sk)
 	 * in network, but units changed and effective
 	 * cwnd/ssthresh really reduced now.
 	 */
-	if (icsk->icsk_ca_state != TCP_CA_Loss) {
-		tp->high_seq = tp->snd_nxt;
-		tp->snd_ssthresh = tcp_current_ssthresh(sk);
-		tp->prior_ssthresh = 0;
-		tp->undo_marker = 0;
-		tcp_set_ca_state(sk, TCP_CA_Loss);
-	}
-	tcp_xmit_retransmit_queue(sk);
+	tcp_non_congestion_loss_retransmit(sk);
 }
 EXPORT_SYMBOL(tcp_simple_retransmit);
 
@@ -6288,8 +6305,7 @@ static bool tcp_rcv_fastopen_synack(struct sock *sk, struct sk_buff *synack,
 			tp->fastopen_client_fail = TFO_DATA_NOT_ACKED;
 		skb_rbtree_walk_from(data)
 			 tcp_mark_skb_lost(sk, data);
-		tcp_xmit_retransmit_queue(sk);
-		tp->retrans_stamp = 0;
+		tcp_non_congestion_loss_retransmit(sk);
 		NET_INC_STATS(sock_net(sk),
 				LINUX_MIB_TCPFASTOPENACTIVEFAIL);
 		return true;
-- 
2.43.0

[PATCH 6.9 057/222] ALSA: seq: Fix missing MSB in MIDI2 SPP conversion

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit 9d65ab6050d25f17c13f4195aa8e160c6ac638f6 ]

The conversion of SPP to MIDI2 UMP called a wrong function, and the
secondary argument wasn't taken.  As a result, MSB of SPP was always
zero.  Fix to call the right function.

Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events")
Link: https://patch.msgid.link/20240626145141.16648-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/core/seq/seq_ump_convert.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c
index 6687efdceea13..e90b27a135e6f 100644
--- a/sound/core/seq/seq_ump_convert.c
+++ b/sound/core/seq/seq_ump_convert.c
@@ -1020,7 +1020,7 @@ static int system_2p_ev_to_ump_midi2(const struct snd_seq_event *event,
 				     union snd_ump_midi2_msg *data,
 				     unsigned char status)
 {
-	return system_1p_ev_to_ump_midi1(event, dest_port,
+	return system_2p_ev_to_ump_midi1(event, dest_port,
 					 (union snd_ump_midi1_msg *)data,
 					 status);
 }
-- 
2.43.0

[PATCH 6.9 058/222] netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pablo Neira Ayuso <pablo@netfilter.org>

[ Upstream commit 7931d32955e09d0a11b1fe0b6aac1bfa061c005c ]

register store validation for NFT_DATA_VALUE is conditional, however,
the datatype is always either NFT_DATA_VALUE or NFT_DATA_VERDICT. This
only requires a new helper function to infer the register type from the
set datatype so this conditional check can be removed. Otherwise,
pointer to chain object can be leaked through the registers.

Fixes: 96518518cc41 ("netfilter: add nftables")
Reported-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/net/netfilter/nf_tables.h | 5 +++++
 net/netfilter/nf_tables_api.c     | 8 ++++----
 net/netfilter/nft_lookup.c        | 3 ++-
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 3f1ed467f951f..2164fa350fa69 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -619,6 +619,11 @@ static inline void *nft_set_priv(const struct nft_set *set)
 	return (void *)set->data;
 }
 
+static inline enum nft_data_types nft_set_datatype(const struct nft_set *set)
+{
+	return set->dtype == NFT_DATA_VERDICT ? NFT_DATA_VERDICT : NFT_DATA_VALUE;
+}
+
 static inline bool nft_set_gc_is_pending(const struct nft_set *s)
 {
 	return refcount_read(&s->refs) != 1;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 167074283ea91..faa77b031d1f3 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5740,8 +5740,7 @@ static int nf_tables_fill_setelem(struct sk_buff *skb,
 
 	if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA) &&
 	    nft_data_dump(skb, NFTA_SET_ELEM_DATA, nft_set_ext_data(ext),
-			  set->dtype == NFT_DATA_VERDICT ? NFT_DATA_VERDICT : NFT_DATA_VALUE,
-			  set->dlen) < 0)
+			  nft_set_datatype(set), set->dlen) < 0)
 		goto nla_put_failure;
 
 	if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPRESSIONS) &&
@@ -11069,6 +11068,9 @@ static int nft_validate_register_store(const struct nft_ctx *ctx,
 
 		return 0;
 	default:
+		if (type != NFT_DATA_VALUE)
+			return -EINVAL;
+
 		if (reg < NFT_REG_1 * NFT_REG_SIZE / NFT_REG32_SIZE)
 			return -EINVAL;
 		if (len == 0)
@@ -11077,8 +11079,6 @@ static int nft_validate_register_store(const struct nft_ctx *ctx,
 		    sizeof_field(struct nft_regs, data))
 			return -ERANGE;
 
-		if (data != NULL && type != NFT_DATA_VALUE)
-			return -EINVAL;
 		return 0;
 	}
 }
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index b314ca728a291..f3080fa1b2263 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -132,7 +132,8 @@ static int nft_lookup_init(const struct nft_ctx *ctx,
 			return -EINVAL;
 
 		err = nft_parse_register_store(ctx, tb[NFTA_LOOKUP_DREG],
-					       &priv->dreg, NULL, set->dtype,
+					       &priv->dreg, NULL,
+					       nft_set_datatype(set),
 					       set->dlen);
 		if (err < 0)
 			return err;
-- 
2.43.0

[PATCH 6.9 059/222] tracing/net_sched: NULL pointer dereference in perf_trace_qdisc_reset()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yunseong Kim <yskelg@gmail.com>

[ Upstream commit bab4923132feb3e439ae45962979c5d9d5c7c1f1 ]

In the TRACE_EVENT(qdisc_reset) NULL dereference occurred from

 qdisc->dev_queue->dev <NULL> ->name

This situation simulated from bunch of veths and Bluetooth disconnection
and reconnection.

During qdisc initialization, qdisc was being set to noop_queue.
In veth_init_queue, the initial tx_num was reduced back to one,
causing the qdisc reset to be called with noop, which led to the kernel
panic.

I've attached the GitHub gist link that C converted syz-execprogram
source code and 3 log of reproduced vmcore-dmesg.

 https://gist.github.com/yskelg/cc64562873ce249cdd0d5a358b77d740

Yeoreum and I use two fuzzing tool simultaneously.

One process with syz-executor : https://github.com/google/syzkaller

 $ ./syz-execprog -executor=./syz-executor -repeat=1 -sandbox=setuid \
    -enable=none -collide=false log1

The other process with perf fuzzer:
 https://github.com/deater/perf_event_tests/tree/master/fuzzer

 $ perf_event_tests/fuzzer/perf_fuzzer

I think this will happen on the kernel version.

 Linux kernel version +v6.7.10, +v6.8, +v6.9 and it could happen in v6.10.

This occurred from 51270d573a8d. I think this patch is absolutely
necessary. Previously, It was showing not intended string value of name.

I've reproduced 3 time from my fedora 40 Debug Kernel with any other module
or patched.

 version: 6.10.0-0.rc2.20240608gitdc772f8237f9.29.fc41.aarch64+debug

[ 5287.164555] veth0_vlan: left promiscuous mode
[ 5287.164929] veth1_macvtap: left promiscuous mode
[ 5287.164950] veth0_macvtap: left promiscuous mode
[ 5287.164983] veth1_vlan: left promiscuous mode
[ 5287.165008] veth0_vlan: left promiscuous mode
[ 5287.165450] veth1_macvtap: left promiscuous mode
[ 5287.165472] veth0_macvtap: left promiscuous mode
[ 5287.165502] veth1_vlan: left promiscuous mode
…
[ 5297.598240] bridge0: port 2(bridge_slave_1) entered blocking state
[ 5297.598262] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 5297.598296] bridge0: port 1(bridge_slave_0) entered blocking state
[ 5297.598313] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 5297.616090] 8021q: adding VLAN 0 to HW filter on device bond0
[ 5297.620405] bridge0: port 1(bridge_slave_0) entered disabled state
[ 5297.620730] bridge0: port 2(bridge_slave_1) entered disabled state
[ 5297.627247] 8021q: adding VLAN 0 to HW filter on device team0
[ 5297.629636] bridge0: port 1(bridge_slave_0) entered blocking state
…
[ 5298.002798] bridge_slave_0: left promiscuous mode
[ 5298.002869] bridge0: port 1(bridge_slave_0) entered disabled state
[ 5298.309444] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 5298.315206] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 5298.320207] bond0 (unregistering): Released all slaves
[ 5298.354296] hsr_slave_0: left promiscuous mode
[ 5298.360750] hsr_slave_1: left promiscuous mode
[ 5298.374889] veth1_macvtap: left promiscuous mode
[ 5298.374931] veth0_macvtap: left promiscuous mode
[ 5298.374988] veth1_vlan: left promiscuous mode
[ 5298.375024] veth0_vlan: left promiscuous mode
[ 5299.109741] team0 (unregistering): Port device team_slave_1 removed
[ 5299.185870] team0 (unregistering): Port device team_slave_0 removed
…
[ 5300.155443] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 5300.155724] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 5300.155988] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
….
[ 5301.075531] team0: Port device team_slave_1 added
[ 5301.085515] bridge0: port 1(bridge_slave_0) entered blocking state
[ 5301.085531] bridge0: port 1(bridge_slave_0) entered disabled state
[ 5301.085588] bridge_slave_0: entered allmulticast mode
[ 5301.085800] bridge_slave_0: entered promiscuous mode
[ 5301.095617] bridge0: port 1(bridge_slave_0) entered blocking state
[ 5301.095633] bridge0: port 1(bridge_slave_0) entered disabled state
…
[ 5301.149734] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 5301.173234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 5301.180517] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 5301.193481] hsr_slave_0: entered promiscuous mode
[ 5301.204425] hsr_slave_1: entered promiscuous mode
[ 5301.210172] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 5301.210185] Cannot create hsr debugfs directory
[ 5301.224061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 5301.246901] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 5301.255934] team0: Port device team_slave_0 added
[ 5301.256480] team0: Port device team_slave_1 added
[ 5301.256948] team0: Port device team_slave_0 added
…
[ 5301.435928] hsr_slave_0: entered promiscuous mode
[ 5301.446029] hsr_slave_1: entered promiscuous mode
[ 5301.455872] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 5301.455884] Cannot create hsr debugfs directory
[ 5301.502664] hsr_slave_0: entered promiscuous mode
[ 5301.513675] hsr_slave_1: entered promiscuous mode
[ 5301.526155] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 5301.526164] Cannot create hsr debugfs directory
[ 5301.563662] hsr_slave_0: entered promiscuous mode
[ 5301.576129] hsr_slave_1: entered promiscuous mode
[ 5301.580259] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 5301.580270] Cannot create hsr debugfs directory
[ 5301.590269] 8021q: adding VLAN 0 to HW filter on device bond0

[ 5301.595872] KASAN: null-ptr-deref in range [0x0000000000000130-0x0000000000000137]
[ 5301.595877] Mem abort info:
[ 5301.595881]   ESR = 0x0000000096000006
[ 5301.595885]   EC = 0x25: DABT (current EL), IL = 32 bits
[ 5301.595889]   SET = 0, FnV = 0
[ 5301.595893]   EA = 0, S1PTW = 0
[ 5301.595896]   FSC = 0x06: level 2 translation fault
[ 5301.595900] Data abort info:
[ 5301.595903]   ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000
[ 5301.595907]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 5301.595911]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 5301.595915] [dfff800000000026] address between user and kernel address ranges
[ 5301.595971] Internal error: Oops: 0000000096000006 [#1] SMP
…
[ 5301.596076] CPU: 2 PID: 102769 Comm:
syz-executor.3 Kdump: loaded Tainted:
 G        W         -------  ---  6.10.0-0.rc2.20240608gitdc772f8237f9.29.fc41.aarch64+debug #1
[ 5301.596080] Hardware name: VMware, Inc. VMware20,1/VBSA,
 BIOS VMW201.00V.21805430.BA64.2305221830 05/22/2023
[ 5301.596082] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[ 5301.596085] pc : strnlen+0x40/0x88
[ 5301.596114] lr : trace_event_get_offsets_qdisc_reset+0x6c/0x2b0
[ 5301.596124] sp : ffff8000beef6b40
[ 5301.596126] x29: ffff8000beef6b40 x28: dfff800000000000 x27: 0000000000000001
[ 5301.596131] x26: 6de1800082c62bd0 x25: 1ffff000110aa9e0 x24: ffff800088554f00
[ 5301.596136] x23: ffff800088554ec0 x22: 0000000000000130 x21: 0000000000000140
[ 5301.596140] x20: dfff800000000000 x19: ffff8000beef6c60 x18: ffff7000115106d8
[ 5301.596143] x17: ffff800121bad000 x16: ffff800080020000 x15: 0000000000000006
[ 5301.596147] x14: 0000000000000002 x13: ffff0001f3ed8d14 x12: ffff700017ddeda5
[ 5301.596151] x11: 1ffff00017ddeda4 x10: ffff700017ddeda4 x9 : ffff800082cc5eec
[ 5301.596155] x8 : 0000000000000004 x7 : 00000000f1f1f1f1 x6 : 00000000f2f2f200
[ 5301.596158] x5 : 00000000f3f3f3f3 x4 : ffff700017dded80 x3 : 00000000f204f1f1
[ 5301.596162] x2 : 0000000000000026 x1 : 0000000000000000 x0 : 0000000000000130
[ 5301.596166] Call trace:
[ 5301.596175]  strnlen+0x40/0x88
[ 5301.596179]  trace_event_get_offsets_qdisc_reset+0x6c/0x2b0
[ 5301.596182]  perf_trace_qdisc_reset+0xb0/0x538
[ 5301.596184]  __traceiter_qdisc_reset+0x68/0xc0
[ 5301.596188]  qdisc_reset+0x43c/0x5e8
[ 5301.596190]  netif_set_real_num_tx_queues+0x288/0x770
[ 5301.596194]  veth_init_queues+0xfc/0x130 [veth]
[ 5301.596198]  veth_newlink+0x45c/0x850 [veth]
[ 5301.596202]  rtnl_newlink_create+0x2c8/0x798
[ 5301.596205]  __rtnl_newlink+0x92c/0xb60
[ 5301.596208]  rtnl_newlink+0xd8/0x130
[ 5301.596211]  rtnetlink_rcv_msg+0x2e0/0x890
[ 5301.596214]  netlink_rcv_skb+0x1c4/0x380
[ 5301.596225]  rtnetlink_rcv+0x20/0x38
[ 5301.596227]  netlink_unicast+0x3c8/0x640
[ 5301.596231]  netlink_sendmsg+0x658/0xa60
[ 5301.596234]  __sock_sendmsg+0xd0/0x180
[ 5301.596243]  __sys_sendto+0x1c0/0x280
[ 5301.596246]  __arm64_sys_sendto+0xc8/0x150
[ 5301.596249]  invoke_syscall+0xdc/0x268
[ 5301.596256]  el0_svc_common.constprop.0+0x16c/0x240
[ 5301.596259]  do_el0_svc+0x48/0x68
[ 5301.596261]  el0_svc+0x50/0x188
[ 5301.596265]  el0t_64_sync_handler+0x120/0x130
[ 5301.596268]  el0t_64_sync+0x194/0x198
[ 5301.596272] Code: eb15001f 54000120 d343fc02 12000801 (38f46842)
[ 5301.596285] SMP: stopping secondary CPUs
[ 5301.597053] Starting crashdump kernel...
[ 5301.597057] Bye!

After applying our patch, I didn't find any kernel panic errors.

We've found a simple reproducer

 # echo 1 > /sys/kernel/debug/tracing/events/qdisc/qdisc_reset/enable

 # ip link add veth0 type veth peer name veth1

 Error: Unknown device type.

However, without our patch applied, I tested upstream 6.10.0-rc3 kernel
using the qdisc_reset event and the ip command on my qemu virtual machine.

This 2 commands makes always kernel panic.

Linux version: 6.10.0-rc3

[    0.000000] Linux version 6.10.0-rc3-00164-g44ef20baed8e-dirty
(paran@fedora) (gcc (GCC) 14.1.1 20240522 (Red Hat 14.1.1-4), GNU ld
version 2.41-34.fc40) #20 SMP PREEMPT Sat Jun 15 16:51:25 KST 2024

Kernel panic message:

[  615.236484] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[  615.237250] Dumping ftrace buffer:
[  615.237679]    (ftrace buffer empty)
[  615.238097] Modules linked in: veth crct10dif_ce virtio_gpu
virtio_dma_buf drm_shmem_helper drm_kms_helper zynqmp_fpga xilinx_can
xilinx_spi xilinx_selectmap xilinx_core xilinx_pr_decoupler versal_fpga
uvcvideo uvc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videodev
videobuf2_common mc usbnet deflate zstd ubifs ubi rcar_canfd rcar_can
omap_mailbox ntb_msi_test ntb_hw_epf lattice_sysconfig_spi
lattice_sysconfig ice40_spi gpio_xilinx dwmac_altr_socfpga mdio_regmap
stmmac_platform stmmac pcs_xpcs dfl_fme_region dfl_fme_mgr dfl_fme_br
dfl_afu dfl fpga_region fpga_bridge can can_dev br_netfilter bridge stp
llc atl1c ath11k_pci mhi ath11k_ahb ath11k qmi_helpers ath10k_sdio
ath10k_pci ath10k_core ath mac80211 libarc4 cfg80211 drm fuse backlight ipv6
Jun 22 02:36:5[3   6k152.62-4sm98k4-0k]v  kCePUr:n e1l :P IUDn:a b4le6
8t oC ohmma: nidpl eN oketr nteali nptaedg i6n.g1 0re.0q-urecs3t- 0at0
1v6i4r-tgu4a4le fa2d0dbraeeds0se-dir tyd f#f2f08
  615.252376] Hardware name: linux,dummy-virt (DT)
[  615.253220] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS
BTYPE=--)
[  615.254433] pc : strnlen+0x6c/0xe0
[  615.255096] lr : trace_event_get_offsets_qdisc_reset+0x94/0x3d0
[  615.256088] sp : ffff800080b269a0
[  615.256615] x29: ffff800080b269a0 x28: ffffc070f3f98500 x27:
0000000000000001
[  615.257831] x26: 0000000000000010 x25: ffffc070f3f98540 x24:
ffffc070f619cf60
[  615.259020] x23: 0000000000000128 x22: 0000000000000138 x21:
dfff800000000000
[  615.260241] x20: ffffc070f631ad00 x19: 0000000000000128 x18:
ffffc070f448b800
[  615.261454] x17: 0000000000000000 x16: 0000000000000001 x15:
ffffc070f4ba2a90
[  615.262635] x14: ffff700010164d73 x13: 1ffff80e1e8d5eb3 x12:
1ffff00010164d72
[  615.263877] x11: ffff700010164d72 x10: dfff800000000000 x9 :
ffffc070e85d6184
[  615.265047] x8 : ffffc070e4402070 x7 : 000000000000f1f1 x6 :
000000001504a6d3
[  615.266336] x5 : ffff28ca21122140 x4 : ffffc070f5043ea8 x3 :
0000000000000000
[  615.267528] x2 : 0000000000000025 x1 : 0000000000000000 x0 :
0000000000000000
[  615.268747] Call trace:
[  615.269180]  strnlen+0x6c/0xe0
[  615.269767]  trace_event_get_offsets_qdisc_reset+0x94/0x3d0
[  615.270716]  trace_event_raw_event_qdisc_reset+0xe8/0x4e8
[  615.271667]  __traceiter_qdisc_reset+0xa0/0x140
[  615.272499]  qdisc_reset+0x554/0x848
[  615.273134]  netif_set_real_num_tx_queues+0x360/0x9a8
[  615.274050]  veth_init_queues+0x110/0x220 [veth]
[  615.275110]  veth_newlink+0x538/0xa50 [veth]
[  615.276172]  __rtnl_newlink+0x11e4/0x1bc8
[  615.276944]  rtnl_newlink+0xac/0x120
[  615.277657]  rtnetlink_rcv_msg+0x4e4/0x1370
[  615.278409]  netlink_rcv_skb+0x25c/0x4f0
[  615.279122]  rtnetlink_rcv+0x48/0x70
[  615.279769]  netlink_unicast+0x5a8/0x7b8
[  615.280462]  netlink_sendmsg+0xa70/0x1190

Yeoreum and I don't know if the patch we wrote will fix the underlying
cause, but we think that priority is to prevent kernel panic happening.
So, we're sending this patch.

Fixes: 51270d573a8d ("tracing/net_sched: Fix tracepoints that save qdisc_dev() as a string")
Link: https://lore.kernel.org/lkml/20240229143432.273b4871@gandalf.local.home/t/
Cc: netdev@vger.kernel.org
Tested-by: Yunseong Kim <yskelg@gmail.com>
Signed-off-by: Yunseong Kim <yskelg@gmail.com>
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Link: https://lore.kernel.org/r/20240624173320.24945-4-yskelg@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/trace/events/qdisc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h
index 1f4258308b967..69453b8de29e6 100644
--- a/include/trace/events/qdisc.h
+++ b/include/trace/events/qdisc.h
@@ -81,7 +81,7 @@ TRACE_EVENT(qdisc_reset,
 	TP_ARGS(q),
 
 	TP_STRUCT__entry(
-		__string(	dev,		qdisc_dev(q)->name	)
+		__string(	dev,		qdisc_dev(q) ? qdisc_dev(q)->name : "(null)"	)
 		__string(	kind,		q->ops->id		)
 		__field(	u32,		parent			)
 		__field(	u32,		handle			)
-- 
2.43.0

[PATCH 6.9 060/222] af_unix: Stop recv(MSG_PEEK) at consumed OOB skb.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kuniyuki Iwashima <kuniyu@amazon.com>

[ Upstream commit b94038d841a91d0e3f59cfe4d073e210910366ee ]

After consuming OOB data, recv() reading the preceding data must break at
the OOB skb regardless of MSG_PEEK.

Currently, MSG_PEEK does not stop recv() for AF_UNIX, and the behaviour is
not compliant with TCP.

  >>> from socket import *
  >>> c1, c2 = socketpair(AF_UNIX)
  >>> c1.send(b'hello', MSG_OOB)
  5
  >>> c1.send(b'world')
  5
  >>> c2.recv(1, MSG_OOB)
  b'o'
  >>> c2.recv(9, MSG_PEEK)  # This should return b'hell'
  b'hellworld'              # even with enough buffer.

Let's fix it by returning NULL for consumed skb and unlinking it only if
MSG_PEEK is not specified.

This patch also adds test cases that add recv(MSG_PEEK) before each recv().

Without fix:

  #  RUN           msg_oob.peek.oob_ahead_break ...
  # msg_oob.c:134:oob_ahead_break:AF_UNIX :hellworld
  # msg_oob.c:135:oob_ahead_break:Expected:hell
  # msg_oob.c:137:oob_ahead_break:Expected ret[0] (9) == expected_len (4)
  # oob_ahead_break: Test terminated by assertion
  #          FAIL  msg_oob.peek.oob_ahead_break
  not ok 13 msg_oob.peek.oob_ahead_break

With fix:

  #  RUN           msg_oob.peek.oob_ahead_break ...
  #            OK  msg_oob.peek.oob_ahead_break
  ok 13 msg_oob.peek.oob_ahead_break

Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/unix/af_unix.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 68a58bc07cf23..d687670e84990 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2660,9 +2660,12 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
 {
 	struct unix_sock *u = unix_sk(sk);
 
-	if (!unix_skb_len(skb) && !(flags & MSG_PEEK)) {
-		skb_unlink(skb, &sk->sk_receive_queue);
-		consume_skb(skb);
+	if (!unix_skb_len(skb)) {
+		if (!(flags & MSG_PEEK)) {
+			skb_unlink(skb, &sk->sk_receive_queue);
+			consume_skb(skb);
+		}
+
 		skb = NULL;
 	} else {
 		struct sk_buff *unlinked_skb = NULL;
-- 
2.43.0

[PATCH 6.9 061/222] af_unix: Dont stop recv(MSG_DONTWAIT) if consumed OOB skb is at the head.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kuniyuki Iwashima <kuniyu@amazon.com>

[ Upstream commit 93c99f21db360957d49853e5666b5c147f593bda ]

Let's say a socket send()s "hello" with MSG_OOB and "world" without flags,

  >>> from socket import *
  >>> c1, c2 = socketpair(AF_UNIX)
  >>> c1.send(b'hello', MSG_OOB)
  5
  >>> c1.send(b'world')
  5

and its peer recv()s "hell" and "o".

  >>> c2.recv(10)
  b'hell'
  >>> c2.recv(1, MSG_OOB)
  b'o'

Now the consumed OOB skb stays at the head of recvq to return a correct
value for ioctl(SIOCATMARK), which is broken now and fixed by a later
patch.

Then, if peer issues recv() with MSG_DONTWAIT, manage_oob() returns NULL,
so recv() ends up with -EAGAIN.

  >>> c2.setblocking(False)  # This causes -EAGAIN even with available data
  >>> c2.recv(5)
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
  BlockingIOError: [Errno 11] Resource temporarily unavailable

However, next recv() will return the following available data, "world".

  >>> c2.recv(5)
  b'world'

When the consumed OOB skb is at the head of the queue, we need to fetch
the next skb to fix the weird behaviour.

Note that the issue does not happen without MSG_DONTWAIT because we can
retry after manage_oob().

This patch also adds a test case that covers the issue.

Without fix:

  #  RUN           msg_oob.no_peek.ex_oob_break ...
  # msg_oob.c:134:ex_oob_break:AF_UNIX :Resource temporarily unavailable
  # msg_oob.c:135:ex_oob_break:Expected:ld
  # msg_oob.c:137:ex_oob_break:Expected ret[0] (-1) == expected_len (2)
  # ex_oob_break: Test terminated by assertion
  #          FAIL  msg_oob.no_peek.ex_oob_break
  not ok 8 msg_oob.no_peek.ex_oob_break

With fix:

  #  RUN           msg_oob.no_peek.ex_oob_break ...
  #            OK  msg_oob.no_peek.ex_oob_break
  ok 8 msg_oob.no_peek.ex_oob_break

Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/unix/af_unix.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d687670e84990..645ac77e4dda3 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2661,12 +2661,23 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
 	struct unix_sock *u = unix_sk(sk);
 
 	if (!unix_skb_len(skb)) {
-		if (!(flags & MSG_PEEK)) {
-			skb_unlink(skb, &sk->sk_receive_queue);
-			consume_skb(skb);
+		struct sk_buff *unlinked_skb = NULL;
+
+		spin_lock(&sk->sk_receive_queue.lock);
+
+		if (copied) {
+			skb = NULL;
+		} else if (flags & MSG_PEEK) {
+			skb = skb_peek_next(skb, &sk->sk_receive_queue);
+		} else {
+			unlinked_skb = skb;
+			skb = skb_peek_next(skb, &sk->sk_receive_queue);
+			__skb_unlink(unlinked_skb, &sk->sk_receive_queue);
 		}
 
-		skb = NULL;
+		spin_unlock(&sk->sk_receive_queue.lock);
+
+		consume_skb(unlinked_skb);
 	} else {
 		struct sk_buff *unlinked_skb = NULL;
 
-- 
2.43.0

[PATCH 6.9 062/222] af_unix: Dont stop recv() at consumed ex-OOB skb.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kuniyuki Iwashima <kuniyu@amazon.com>

[ Upstream commit 36893ef0b661671ee64eb37bf5f345f33d2cabb7 ]

Currently, recv() is stopped at a consumed OOB skb even if a new
OOB skb is queued and we can ignore the old OOB skb.

  >>> from socket import *
  >>> c1, c2 = socket(AF_UNIX, SOCK_STREAM)
  >>> c1.send(b'hellowor', MSG_OOB)
  8
  >>> c2.recv(1, MSG_OOB)  # consume OOB data stays at middle of recvq.
  b'r'
  >>> c1.send(b'ld', MSG_OOB)
  2
  >>> c2.recv(10)          # recv() stops at the old consumed OOB
  b'hellowo'               # should be 'hellowol'

manage_oob() should not stop recv() at the old consumed OOB skb if
there is a new OOB data queued.

Note that TCP behaviour is apparently wrong in this test case because
we can recv() the same OOB data twice.

Without fix:

  #  RUN           msg_oob.no_peek.ex_oob_ahead_break ...
  # msg_oob.c:138:ex_oob_ahead_break:AF_UNIX :hellowo
  # msg_oob.c:139:ex_oob_ahead_break:Expected:hellowol
  # msg_oob.c:141:ex_oob_ahead_break:Expected ret[0] (7) == expected_len (8)
  # ex_oob_ahead_break: Test terminated by assertion
  #          FAIL  msg_oob.no_peek.ex_oob_ahead_break
  not ok 11 msg_oob.no_peek.ex_oob_ahead_break

With fix:

  #  RUN           msg_oob.no_peek.ex_oob_ahead_break ...
  # msg_oob.c:146:ex_oob_ahead_break:AF_UNIX :hellowol
  # msg_oob.c:147:ex_oob_ahead_break:TCP     :helloworl
  #            OK  msg_oob.no_peek.ex_oob_ahead_break
  ok 11 msg_oob.no_peek.ex_oob_ahead_break

Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/unix/af_unix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 645ac77e4dda3..e0fea73317de8 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2665,7 +2665,7 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
 
 		spin_lock(&sk->sk_receive_queue.lock);
 
-		if (copied) {
+		if (copied && (!u->oob_skb || skb == u->oob_skb)) {
 			skb = NULL;
 		} else if (flags & MSG_PEEK) {
 			skb = skb_peek_next(skb, &sk->sk_receive_queue);
-- 
2.43.0

[PATCH 6.9 063/222] af_unix: Fix wrong ioctl(SIOCATMARK) when consumed OOB skb is at the head.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kuniyuki Iwashima <kuniyu@amazon.com>

[ Upstream commit e400cfa38bb0419cf1313e5494ea2b7d114e86d7 ]

Even if OOB data is recv()ed, ioctl(SIOCATMARK) must return 1 when the
OOB skb is at the head of the receive queue and no new OOB data is queued.

Without fix:

  #  RUN           msg_oob.no_peek.oob ...
  # msg_oob.c:305:oob:Expected answ[0] (0) == oob_head (1)
  # oob: Test terminated by assertion
  #          FAIL  msg_oob.no_peek.oob
  not ok 2 msg_oob.no_peek.oob

With fix:

  #  RUN           msg_oob.no_peek.oob ...
  #            OK  msg_oob.no_peek.oob
  ok 2 msg_oob.no_peek.oob

Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/unix/af_unix.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index e0fea73317de8..24286ce0ef3ee 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -3154,12 +3154,23 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 #if IS_ENABLED(CONFIG_AF_UNIX_OOB)
 	case SIOCATMARK:
 		{
+			struct unix_sock *u = unix_sk(sk);
 			struct sk_buff *skb;
 			int answ = 0;
 
+			mutex_lock(&u->iolock);
+
 			skb = skb_peek(&sk->sk_receive_queue);
-			if (skb && skb == READ_ONCE(unix_sk(sk)->oob_skb))
-				answ = 1;
+			if (skb) {
+				struct sk_buff *oob_skb = READ_ONCE(u->oob_skb);
+
+				if (skb == oob_skb ||
+				    (!oob_skb && !unix_skb_len(skb)))
+					answ = 1;
+			}
+
+			mutex_unlock(&u->iolock);
+
 			err = put_user(answ, (int __user *)arg);
 		}
 		break;
-- 
2.43.0

[PATCH 6.9 064/222] net: mana: Fix possible double free in error handling path

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ma Ke <make24@iscas.ac.cn>

[ Upstream commit 1864b8224195d0e43ddb92a8151f54f6562090cc ]

When auxiliary_device_add() returns error and then calls
auxiliary_device_uninit(), callback function adev_release
calls kfree(madev). We shouldn't call kfree(madev) again
in the error handling path. Set 'madev' to NULL.

Fixes: a69839d4327d ("net: mana: Add support for auxiliary device")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Link: https://patch.msgid.link/20240625130314.2661257-1-make24@iscas.ac.cn
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/microsoft/mana/mana_en.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index d8af5e7e15b4d..191d50ba646d8 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -2800,6 +2800,8 @@ static int add_adev(struct gdma_dev *gd)
 	if (ret)
 		goto init_fail;
 
+	/* madev is owned by the auxiliary device */
+	madev = NULL;
 	ret = auxiliary_device_add(adev);
 	if (ret)
 		goto add_fail;
-- 
2.43.0

[PATCH 6.9 065/222] bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe Leroy <christophe.leroy@csgroup.eu>

[ Upstream commit 7d2cc63eca0c993c99d18893214abf8f85d566d8 ]

set_memory_ro() can fail, leaving memory unprotected.

Check its return and take it into account as an error.

Link: https://github.com/KSPP/linux/issues/7
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: linux-hardening@vger.kernel.org <linux-hardening@vger.kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Message-ID: <286def78955e04382b227cb3e4b6ba272a7442e3.1709850515.git.christophe.leroy@csgroup.eu>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/filter.h | 5 +++--
 kernel/bpf/core.c      | 4 +++-
 kernel/bpf/verifier.c  | 8 ++++++--
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 219ee7a768744..35791b1c61c7d 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -887,14 +887,15 @@ bpf_ctx_narrow_access_offset(u32 off, u32 size, u32 size_default)
 
 #define bpf_classic_proglen(fprog) (fprog->len * sizeof(fprog->filter[0]))
 
-static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
+static inline int __must_check bpf_prog_lock_ro(struct bpf_prog *fp)
 {
 #ifndef CONFIG_BPF_JIT_ALWAYS_ON
 	if (!fp->jited) {
 		set_vm_flush_reset_perms(fp);
-		set_memory_ro((unsigned long)fp, fp->pages);
+		return set_memory_ro((unsigned long)fp, fp->pages);
 	}
 #endif
+	return 0;
 }
 
 static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 1ea5ce5bb5993..9985988845e36 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -2403,7 +2403,9 @@ struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err)
 	}
 
 finalize:
-	bpf_prog_lock_ro(fp);
+	*err = bpf_prog_lock_ro(fp);
+	if (*err)
+		return fp;
 
 	/* The tail call compatibility check can only be done at
 	 * this late stage as we need to determine, if we deal
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index ab558eea1c9ee..d5fca9deac5a1 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -19354,10 +19354,14 @@ static int jit_subprogs(struct bpf_verifier_env *env)
 	 * bpf_prog_load will add the kallsyms for the main program.
 	 */
 	for (i = 1; i < env->subprog_cnt; i++) {
-		bpf_prog_lock_ro(func[i]);
-		bpf_prog_kallsyms_add(func[i]);
+		err = bpf_prog_lock_ro(func[i]);
+		if (err)
+			goto out_free;
 	}
 
+	for (i = 1; i < env->subprog_cnt; i++)
+		bpf_prog_kallsyms_add(func[i]);
+
 	/* Last step: make now unused interpreter insns from main
 	 * prog consistent for later dump requests, so they can
 	 * later look the same as if they were interpreted only.
-- 
2.43.0

[PATCH 6.9 066/222] bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe Leroy <christophe.leroy@csgroup.eu>

[ Upstream commit e60adf513275c3a38e5cb67f7fd12387e43a3ff5 ]

set_memory_rox() can fail, leaving memory unprotected.

Check return and bail out when bpf_jit_binary_lock_ro() returns
an error.

Link: https://github.com/KSPP/linux/issues/7
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: linux-hardening@vger.kernel.org <linux-hardening@vger.kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Puranjay Mohan <puranjay12@gmail.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>  # s390x
Acked-by: Tiezhu Yang <yangtiezhu@loongson.cn>  # LoongArch
Reviewed-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> # MIPS Part
Message-ID: <036b6393f23a2032ce75a1c92220b2afcb798d5d.1709850515.git.christophe.leroy@csgroup.eu>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/net/bpf_jit_32.c        | 25 ++++++++++++-------------
 arch/loongarch/net/bpf_jit.c     | 22 ++++++++++++++++------
 arch/mips/net/bpf_jit_comp.c     |  3 ++-
 arch/parisc/net/bpf_jit_core.c   |  8 +++++++-
 arch/s390/net/bpf_jit_comp.c     |  6 +++++-
 arch/sparc/net/bpf_jit_comp_64.c |  6 +++++-
 arch/x86/net/bpf_jit_comp32.c    |  3 +--
 include/linux/filter.h           |  5 +++--
 8 files changed, 51 insertions(+), 27 deletions(-)

diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 72b5cd697f5d9..deeb8f292454b 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -2252,28 +2252,21 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	/* If building the body of the JITed code fails somehow,
 	 * we fall back to the interpretation.
 	 */
-	if (build_body(&ctx) < 0) {
-		image_ptr = NULL;
-		bpf_jit_binary_free(header);
-		prog = orig_prog;
-		goto out_imms;
-	}
+	if (build_body(&ctx) < 0)
+		goto out_free;
 	build_epilogue(&ctx);
 
 	/* 3.) Extra pass to validate JITed Code */
-	if (validate_code(&ctx)) {
-		image_ptr = NULL;
-		bpf_jit_binary_free(header);
-		prog = orig_prog;
-		goto out_imms;
-	}
+	if (validate_code(&ctx))
+		goto out_free;
 	flush_icache_range((u32)header, (u32)(ctx.target + ctx.idx));
 
 	if (bpf_jit_enable > 1)
 		/* there are 2 passes here */
 		bpf_jit_dump(prog->len, image_size, 2, ctx.target);
 
-	bpf_jit_binary_lock_ro(header);
+	if (bpf_jit_binary_lock_ro(header))
+		goto out_free;
 	prog->bpf_func = (void *)ctx.target;
 	prog->jited = 1;
 	prog->jited_len = image_size;
@@ -2290,5 +2283,11 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 		bpf_jit_prog_release_other(prog, prog == orig_prog ?
 					   tmp : orig_prog);
 	return prog;
+
+out_free:
+	image_ptr = NULL;
+	bpf_jit_binary_free(header);
+	prog = orig_prog;
+	goto out_imms;
 }
 
diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
index e73323d759d0b..7dbefd4ba2107 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -1294,16 +1294,19 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	flush_icache_range((unsigned long)header, (unsigned long)(ctx.image + ctx.idx));
 
 	if (!prog->is_func || extra_pass) {
+		int err;
+
 		if (extra_pass && ctx.idx != jit_data->ctx.idx) {
 			pr_err_once("multi-func JIT bug %d != %d\n",
 				    ctx.idx, jit_data->ctx.idx);
-			bpf_jit_binary_free(header);
-			prog->bpf_func = NULL;
-			prog->jited = 0;
-			prog->jited_len = 0;
-			goto out_offset;
+			goto out_free;
+		}
+		err = bpf_jit_binary_lock_ro(header);
+		if (err) {
+			pr_err_once("bpf_jit_binary_lock_ro() returned %d\n",
+				    err);
+			goto out_free;
 		}
-		bpf_jit_binary_lock_ro(header);
 	} else {
 		jit_data->ctx = ctx;
 		jit_data->image = image_ptr;
@@ -1334,6 +1337,13 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	out_offset = -1;
 
 	return prog;
+
+out_free:
+	bpf_jit_binary_free(header);
+	prog->bpf_func = NULL;
+	prog->jited = 0;
+	prog->jited_len = 0;
+	goto out_offset;
 }
 
 /* Indicate the JIT backend supports mixing bpf2bpf and tailcalls. */
diff --git a/arch/mips/net/bpf_jit_comp.c b/arch/mips/net/bpf_jit_comp.c
index a40d926b65139..e355dfca44008 100644
--- a/arch/mips/net/bpf_jit_comp.c
+++ b/arch/mips/net/bpf_jit_comp.c
@@ -1012,7 +1012,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	bpf_prog_fill_jited_linfo(prog, &ctx.descriptors[1]);
 
 	/* Set as read-only exec and flush instruction cache */
-	bpf_jit_binary_lock_ro(header);
+	if (bpf_jit_binary_lock_ro(header))
+		goto out_err;
 	flush_icache_range((unsigned long)header,
 			   (unsigned long)&ctx.target[ctx.jit_index]);
 
diff --git a/arch/parisc/net/bpf_jit_core.c b/arch/parisc/net/bpf_jit_core.c
index d6ee2fd455503..979f45d4d1fbe 100644
--- a/arch/parisc/net/bpf_jit_core.c
+++ b/arch/parisc/net/bpf_jit_core.c
@@ -167,7 +167,13 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	bpf_flush_icache(jit_data->header, ctx->insns + ctx->ninsns);
 
 	if (!prog->is_func || extra_pass) {
-		bpf_jit_binary_lock_ro(jit_data->header);
+		if (bpf_jit_binary_lock_ro(jit_data->header)) {
+			bpf_jit_binary_free(jit_data->header);
+			prog->bpf_func = NULL;
+			prog->jited = 0;
+			prog->jited_len = 0;
+			goto out_offset;
+		}
 		prologue_len = ctx->epilogue_offset - ctx->body_len;
 		for (i = 0; i < prog->len; i++)
 			ctx->offset[i] += prologue_len;
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 1d168a98ae21b..4be8f5cadd026 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -2112,7 +2112,11 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		print_fn_code(jit.prg_buf, jit.size_prg);
 	}
 	if (!fp->is_func || extra_pass) {
-		bpf_jit_binary_lock_ro(header);
+		if (bpf_jit_binary_lock_ro(header)) {
+			bpf_jit_binary_free(header);
+			fp = orig_fp;
+			goto free_addrs;
+		}
 	} else {
 		jit_data->header = header;
 		jit_data->ctx = jit;
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index fa0759bfe498e..73bf0aea8baf1 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -1602,7 +1602,11 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	bpf_flush_icache(header, (u8 *)header + header->size);
 
 	if (!prog->is_func || extra_pass) {
-		bpf_jit_binary_lock_ro(header);
+		if (bpf_jit_binary_lock_ro(header)) {
+			bpf_jit_binary_free(header);
+			prog = orig_prog;
+			goto out_off;
+		}
 	} else {
 		jit_data->ctx = ctx;
 		jit_data->image = image_ptr;
diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
index c10083a8e68e6..de0f9e5f9f73a 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -2600,8 +2600,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	if (bpf_jit_enable > 1)
 		bpf_jit_dump(prog->len, proglen, pass + 1, image);
 
-	if (image) {
-		bpf_jit_binary_lock_ro(header);
+	if (image && !bpf_jit_binary_lock_ro(header)) {
 		prog->bpf_func = (void *)image;
 		prog->jited = 1;
 		prog->jited_len = proglen;
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 35791b1c61c7d..cf12bfa2a78cc 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -898,10 +898,11 @@ static inline int __must_check bpf_prog_lock_ro(struct bpf_prog *fp)
 	return 0;
 }
 
-static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
+static inline int __must_check
+bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
 {
 	set_vm_flush_reset_perms(hdr);
-	set_memory_rox((unsigned long)hdr, hdr->size >> PAGE_SHIFT);
+	return set_memory_rox((unsigned long)hdr, hdr->size >> PAGE_SHIFT);
 }
 
 int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
-- 
2.43.0

[PATCH 6.9 067/222] drm/panel: ilitek-ili9881c: Fix warning with GPIO controllers that sleep

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

[ Upstream commit ee7860cd8b5763017f8dc785c2851fecb7a0c565 ]

The ilitek-ili9881c controls the reset GPIO using the non-sleeping
gpiod_set_value() function. This complains loudly when the GPIO
controller needs to sleep. As the caller can sleep, use
gpiod_set_value_cansleep() to fix the issue.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240317154839.21260-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240317154839.21260-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 2ffe5f68a8903..4c8c317191f3c 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1080,10 +1080,10 @@ static int ili9881c_prepare(struct drm_panel *panel)
 	msleep(5);
 
 	/* And reset it */
-	gpiod_set_value(ctx->reset, 1);
+	gpiod_set_value_cansleep(ctx->reset, 1);
 	msleep(20);
 
-	gpiod_set_value(ctx->reset, 0);
+	gpiod_set_value_cansleep(ctx->reset, 0);
 	msleep(20);
 
 	for (i = 0; i < ctx->desc->init_length; i++) {
@@ -1138,7 +1138,7 @@ static int ili9881c_unprepare(struct drm_panel *panel)
 
 	mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
 	regulator_disable(ctx->power);
-	gpiod_set_value(ctx->reset, 1);
+	gpiod_set_value_cansleep(ctx->reset, 1);
 
 	return 0;
 }
-- 
2.43.0

[PATCH 6.9 068/222] drm/xe: Fix potential integer overflow in page size calculation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nirmoy Das <nirmoy.das@intel.com>

[ Upstream commit 4f4fcafde343a54465f85a2909fc684918507a4b ]

Explicitly cast tbo->page_alignment to u64 before bit-shifting to
prevent overflow when assigning to min_page_size.

Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318164342.3094-1-nirmoy.das@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
index 115ec745e5029..0678faf832126 100644
--- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
@@ -91,7 +91,7 @@ static int xe_ttm_vram_mgr_new(struct ttm_resource_manager *man,
 
 	min_page_size = mgr->default_page_size;
 	if (tbo->page_alignment)
-		min_page_size = tbo->page_alignment << PAGE_SHIFT;
+		min_page_size = (u64)tbo->page_alignment << PAGE_SHIFT;
 
 	if (WARN_ON(min_page_size < mm->chunk_size)) {
 		err = -EINVAL;
-- 
2.43.0

[PATCH 6.9 069/222] vduse: validate block features only with block devices

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Maxime Coquelin <maxime.coquelin@redhat.com>

[ Upstream commit a115b5716fc9a64652aa9cb332070087178ffafa ]

This patch is preliminary work to enable network device
type support to VDUSE.

As VIRTIO_BLK_F_CONFIG_WCE shares the same value as
VIRTIO_NET_F_HOST_TSO4, we need to restrict its check
to Virtio-blk device type.

Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Message-Id: <20240109111025.1320976-2-maxime.coquelin@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Stable-dep-of: 56e71885b034 ("vduse: Temporarily fail if control queue feature requested")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/vdpa/vdpa_user/vduse_dev.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 73c89701fc9d4..7c3d117b22deb 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -1705,13 +1705,14 @@ static bool device_is_allowed(u32 device_id)
 	return false;
 }
 
-static bool features_is_valid(u64 features)
+static bool features_is_valid(struct vduse_dev_config *config)
 {
-	if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM)))
+	if (!(config->features & BIT_ULL(VIRTIO_F_ACCESS_PLATFORM)))
 		return false;
 
 	/* Now we only support read-only configuration space */
-	if (features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE))
+	if ((config->device_id == VIRTIO_ID_BLOCK) &&
+			(config->features & BIT_ULL(VIRTIO_BLK_F_CONFIG_WCE)))
 		return false;
 
 	return true;
@@ -1738,7 +1739,7 @@ static bool vduse_validate_config(struct vduse_dev_config *config)
 	if (!device_is_allowed(config->device_id))
 		return false;
 
-	if (!features_is_valid(config->features))
+	if (!features_is_valid(config))
 		return false;
 
 	return true;
-- 
2.43.0

[PATCH 6.9 070/222] vduse: Temporarily fail if control queue feature requested

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Maxime Coquelin <maxime.coquelin@redhat.com>

[ Upstream commit 56e71885b0349241c07631a7b979b61e81afab6a ]

Virtio-net driver control queue implementation is not safe
when used with VDUSE. If the VDUSE application does not
reply to control queue messages, it currently ends up
hanging the kernel thread sending this command.

Some work is on-going to make the control queue
implementation robust with VDUSE. Until it is completed,
let's fail features check if control-queue feature is
requested.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Message-Id: <20240109111025.1320976-3-maxime.coquelin@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/vdpa/vdpa_user/vduse_dev.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 7c3d117b22deb..ac8b5b52e3dc4 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -8,6 +8,7 @@
  *
  */
 
+#include "linux/virtio_net.h"
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/cdev.h>
@@ -28,6 +29,7 @@
 #include <uapi/linux/virtio_config.h>
 #include <uapi/linux/virtio_ids.h>
 #include <uapi/linux/virtio_blk.h>
+#include <uapi/linux/virtio_ring.h>
 #include <linux/mod_devicetable.h>
 
 #include "iova_domain.h"
@@ -1714,6 +1716,9 @@ static bool features_is_valid(struct vduse_dev_config *config)
 	if ((config->device_id == VIRTIO_ID_BLOCK) &&
 			(config->features & BIT_ULL(VIRTIO_BLK_F_CONFIG_WCE)))
 		return false;
+	else if ((config->device_id == VIRTIO_ID_NET) &&
+			(config->features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)))
+		return false;
 
 	return true;
 }
-- 
2.43.0

[PATCH 6.9 071/222] x86/fpu: Fix AMD X86_BUG_FXSAVE_LEAK fixup

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uros Bizjak <ubizjak@gmail.com>

[ Upstream commit 5d31174f3c8c465d9dbe88f6b9d1fe5716f44981 ]

The assembly snippet in restore_fpregs_from_fpstate() that implements
X86_BUG_FXSAVE_LEAK fixup loads the value from a random variable,
preferably the one that is already in the L1 cache.

However, the access to fpinit_state via *fpstate pointer is not
implemented correctly. The "m" asm constraint requires dereferenced
pointer variable, otherwise the compiler just reloads the value
via temporary stack slot. The current asm code reflects this:

     mov    %rdi,(%rsp)
     ...
     fildl  (%rsp)

With dereferenced pointer variable, the code does what the
comment above the asm snippet says:

     fildl  (%rdi)

Also, remove the pointless %P operand modifier. The modifier is
ineffective on non-symbolic references - it was used to prevent
%rip-relative addresses in .altinstr sections, but FILDL in the
.text section can use %rip-relative addresses without problems.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240315081849.5187-1-ubizjak@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kernel/fpu/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 520deb411a702..1209c7aebb211 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -145,8 +145,8 @@ void restore_fpregs_from_fpstate(struct fpstate *fpstate, u64 mask)
 		asm volatile(
 			"fnclex\n\t"
 			"emms\n\t"
-			"fildl %P[addr]"	/* set F?P to defined value */
-			: : [addr] "m" (fpstate));
+			"fildl %[addr]"	/* set F?P to defined value */
+			: : [addr] "m" (*fpstate));
 	}
 
 	if (use_xsave()) {
-- 
2.43.0

[PATCH 6.9 072/222] drm/xe: Add a NULL check in xe_ttm_stolen_mgr_init

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nirmoy Das <nirmoy.das@intel.com>

[ Upstream commit a6eff8f9c7e844cb24ccb188ca24abcd59734e74 ]

Add an explicit check to ensure that the mgr is not NULL.

Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240319130925.22399-1-nirmoy.das@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
index 3107d2a12426c..fb35e46d68b49 100644
--- a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
@@ -207,6 +207,11 @@ void xe_ttm_stolen_mgr_init(struct xe_device *xe)
 	u64 stolen_size, io_size, pgsize;
 	int err;
 
+	if (!mgr) {
+		drm_dbg_kms(&xe->drm, "Stolen mgr init failed\n");
+		return;
+	}
+
 	if (IS_SRIOV_VF(xe))
 		stolen_size = 0;
 	else if (IS_DGFX(xe))
-- 
2.43.0

[PATCH 6.9 073/222] drm/amd/display: correct hostvm flag

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sherry Wang <Yao.Wang1@amd.com>

[ Upstream commit 3a13d1fddaf51b98cdba20b486cb8fd6080b71b7 ]

[Why]
Hostvm should be enabled/disabled accordding to the status of
riommu_active, but hostvm always be disabled on DCN31 which causes
underflow

[How]
Set correct hostvm flag on DCN31

Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Sherry Wang <Yao.Wang1@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index 04d142f974745..2fb1d00ff9654 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -892,7 +892,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_z10 = true,
 	.enable_legacy_fast_update = true,
 	.enable_z9_disable_interface = true, /* Allow support for the PMFW interface for disable Z9*/
-	.dml_hostvm_override = DML_HOSTVM_OVERRIDE_FALSE,
+	.dml_hostvm_override = DML_HOSTVM_NO_OVERRIDE,
 	.using_dml2 = false,
 };
 
-- 
2.43.0

[PATCH 6.9 074/222] mtd: partitions: redboot: Added conversion of operands to a larger type

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Denis Arefev <arefev@swemel.ru>

[ Upstream commit 1162bc2f8f5de7da23d18aa4b7fbd4e93c369c50 ]

The value of an arithmetic expression directory * master->erasesize is
subject to overflow due to a failure to cast operands to a larger data
type before perfroming arithmetic

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240315093758.20790-1-arefev@swemel.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/parsers/redboot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/parsers/redboot.c b/drivers/mtd/parsers/redboot.c
index a16b42a885816..3b55b676ca6b9 100644
--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -102,7 +102,7 @@ static int parse_redboot_partitions(struct mtd_info *master,
 			offset -= master->erasesize;
 		}
 	} else {
-		offset = directory * master->erasesize;
+		offset = (unsigned long) directory * master->erasesize;
 		while (mtd_block_isbad(master, offset)) {
 			offset += master->erasesize;
 			if (offset == master->size)
-- 
2.43.0

[PATCH 6.9 075/222] wifi: ieee80211: check for NULL in ieee80211_mle_size_ok()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit b7793a1a2f370c28b17d9554b58e9dc51afcfcbd ]

For simplicity, we may want to pass a NULL element, and
while we should then pass also a zero length, just be a
bit more careful here.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240318184907.4d983653cb8d.Ic3ea99b60c61ac2f7d38cb9fd202a03c97a05601@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/ieee80211.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index ac5be38d8aaf0..4fd9735bb75e5 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -5166,7 +5166,7 @@ static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
 	bool check_common_len = false;
 	u16 control;
 
-	if (len < fixed)
+	if (!data || len < fixed)
 		return false;
 
 	control = le16_to_cpu(mle->control);
-- 
2.43.0

[PATCH 6.9 076/222] drm/amd/display: Skip pipe if the pipe idx not set properly

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Muhammad Ahmed <ahmed.ahmed@amd.com>

[ Upstream commit af114efe8d24b5711cfbedf7180f2ac1a296c24b ]

[why]
Driver crashes when pipe idx not set properly

[how]
Add code to skip the pipe that idx not set properly

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Muhammad Ahmed <ahmed.ahmed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
index f15d1dbad6a96..b72ed3e78df05 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
@@ -327,6 +327,8 @@ void dml2_calculate_rq_and_dlg_params(const struct dc *dc, struct dc_state *cont
 			dml_pipe_idx = dml2_helper_find_dml_pipe_idx_by_stream_id(in_ctx, context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id);
 		}
 
+		if (dml_pipe_idx == 0xFFFFFFFF)
+			continue;
 		ASSERT(in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id_valid[dml_pipe_idx]);
 		ASSERT(in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id[dml_pipe_idx] == context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id);
 
@@ -468,6 +470,9 @@ bool dml2_verify_det_buffer_configuration(struct dml2_context *in_ctx, struct dc
 			dml_pipe_idx = find_dml_pipe_idx_by_plane_id(in_ctx, plane_id);
 		else
 			dml_pipe_idx = dml2_helper_find_dml_pipe_idx_by_stream_id(in_ctx, display_state->res_ctx.pipe_ctx[i].stream->stream_id);
+
+		if (dml_pipe_idx == 0xFFFFFFFF)
+			continue;
 		total_det_allocated += dml_get_det_buffer_size_kbytes(&in_ctx->v20.dml_core_ctx, dml_pipe_idx);
 		if (total_det_allocated > max_det_size) {
 			need_recalculation = true;
-- 
2.43.0

[PATCH 6.9 077/222] bpf: Add a check for struct bpf_fib_lookup size

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Anton Protopopov <aspsk@isovalent.com>

[ Upstream commit 59b418c7063d30e0a3e1f592d47df096db83185c ]

The struct bpf_fib_lookup should not grow outside of its 64 bytes.
Add a static assert to validate this.

Suggested-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Anton Protopopov <aspsk@isovalent.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240326101742.17421-4-aspsk@isovalent.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/filter.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/filter.c b/net/core/filter.c
index ce255e0a2fbd9..15d850ea7d4ad 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -87,6 +87,9 @@
 
 #include "dev.h"
 
+/* Keep the struct bpf_fib_lookup small so that it fits into a cacheline */
+static_assert(sizeof(struct bpf_fib_lookup) == 64, "struct bpf_fib_lookup size check");
+
 static const struct bpf_func_proto *
 bpf_sk_base_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);
 
-- 
2.43.0

[PATCH 6.9 078/222] bpf: Mark bpf prog stack with kmsan_unposion_memory in interpreter mode

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Martin KaFai Lau <martin.lau@kernel.org>

[ Upstream commit e8742081db7d01f980c6161ae1e8a1dbc1e30979 ]

syzbot reported uninit memory usages during map_{lookup,delete}_elem.

==========
BUG: KMSAN: uninit-value in __dev_map_lookup_elem kernel/bpf/devmap.c:441 [inline]
BUG: KMSAN: uninit-value in dev_map_lookup_elem+0xf3/0x170 kernel/bpf/devmap.c:796
__dev_map_lookup_elem kernel/bpf/devmap.c:441 [inline]
dev_map_lookup_elem+0xf3/0x170 kernel/bpf/devmap.c:796
____bpf_map_lookup_elem kernel/bpf/helpers.c:42 [inline]
bpf_map_lookup_elem+0x5c/0x80 kernel/bpf/helpers.c:38
___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
__bpf_prog_run256+0xb5/0xe0 kernel/bpf/core.c:2237
==========

The reproducer should be in the interpreter mode.

The C reproducer is trying to run the following bpf prog:

    0: (18) r0 = 0x0
    2: (18) r1 = map[id:49]
    4: (b7) r8 = 16777216
    5: (7b) *(u64 *)(r10 -8) = r8
    6: (bf) r2 = r10
    7: (07) r2 += -229
            ^^^^^^^^^^

    8: (b7) r3 = 8
    9: (b7) r4 = 0
   10: (85) call dev_map_lookup_elem#1543472
   11: (95) exit

It is due to the "void *key" (r2) passed to the helper. bpf allows uninit
stack memory access for bpf prog with the right privileges. This patch
uses kmsan_unpoison_memory() to mark the stack as initialized.

This should address different syzbot reports on the uninit "void *key"
argument during map_{lookup,delete}_elem.

Reported-by: syzbot+603bcd9b0bf1d94dbb9b@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/000000000000f9ce6d061494e694@google.com/
Reported-by: syzbot+eb02dc7f03dce0ef39f3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/000000000000a5c69c06147c2238@google.com/
Reported-by: syzbot+b4e65ca24fd4d0c734c3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/000000000000ac56fb06143b6cfa@google.com/
Reported-by: syzbot+d2b113dc9fea5e1d2848@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/0000000000000d69b206142d1ff7@google.com/
Reported-by: syzbot+1a3cf6f08d68868f9db3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/0000000000006f876b061478e878@google.com/
Tested-by: syzbot+1a3cf6f08d68868f9db3@syzkaller.appspotmail.com
Suggested-by: Yonghong Song <yonghong.song@linux.dev>
Suggested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240328185801.1843078-1-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 9985988845e36..80bcfde927206 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -2204,6 +2204,7 @@ static unsigned int PROG_NAME(stack_size)(const void *ctx, const struct bpf_insn
 	u64 stack[stack_size / sizeof(u64)]; \
 	u64 regs[MAX_BPF_EXT_REG] = {}; \
 \
+	kmsan_unpoison_memory(stack, sizeof(stack)); \
 	FP = (u64) (unsigned long) &stack[ARRAY_SIZE(stack)]; \
 	ARG1 = (u64) (unsigned long) ctx; \
 	return ___bpf_prog_run(regs, insn); \
@@ -2217,6 +2218,7 @@ static u64 PROG_NAME_ARGS(stack_size)(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5, \
 	u64 stack[stack_size / sizeof(u64)]; \
 	u64 regs[MAX_BPF_EXT_REG]; \
 \
+	kmsan_unpoison_memory(stack, sizeof(stack)); \
 	FP = (u64) (unsigned long) &stack[ARRAY_SIZE(stack)]; \
 	BPF_R1 = r1; \
 	BPF_R2 = r2; \
-- 
2.43.0

[PATCH 6.9 079/222] drm/xe/xe_devcoredump: Check NULL before assignments

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>

[ Upstream commit b15e65349553b1689d15fbdebea874ca5ae2274a ]

Assign 'xe_devcoredump_snapshot *' and 'xe_device *' only if
'coredump' is not NULL.

v2
- Fix commit messages.

v3
- Define variables before code.(Ashutosh/Jose)

v4
- Drop return check for coredump_to_xe. (Jose/Rodrigo)

v5
- Modify misleading commit message. (Matt)

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328123739.3633428-1-himal.prasad.ghimiray@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/xe/xe_devcoredump.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c
index 68d3d623a05bf..ccec291b02ccd 100644
--- a/drivers/gpu/drm/xe/xe_devcoredump.c
+++ b/drivers/gpu/drm/xe/xe_devcoredump.c
@@ -74,17 +74,19 @@ static ssize_t xe_devcoredump_read(char *buffer, loff_t offset,
 				   size_t count, void *data, size_t datalen)
 {
 	struct xe_devcoredump *coredump = data;
-	struct xe_device *xe = coredump_to_xe(coredump);
-	struct xe_devcoredump_snapshot *ss = &coredump->snapshot;
+	struct xe_device *xe;
+	struct xe_devcoredump_snapshot *ss;
 	struct drm_printer p;
 	struct drm_print_iterator iter;
 	struct timespec64 ts;
 	int i;
 
-	/* Our device is gone already... */
-	if (!data || !coredump_to_xe(coredump))
+	if (!coredump)
 		return -ENODEV;
 
+	xe = coredump_to_xe(coredump);
+	ss = &coredump->snapshot;
+
 	/* Ensure delayed work is captured before continuing */
 	flush_work(&ss->work);
 
-- 
2.43.0

[PATCH 6.9 080/222] RDMA/restrack: Fix potential invalid address access

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wenchao Hao <haowenchao2@huawei.com>

[ Upstream commit ca537a34775c103f7b14d7bbd976403f1d1525d8 ]

struct rdma_restrack_entry's kern_name was set to KBUILD_MODNAME
in ib_create_cq(), while if the module exited but forgot del this
rdma_restrack_entry, it would cause a invalid address access in
rdma_restrack_clean() when print the owner of this rdma_restrack_entry.

These code is used to help find one forgotten PD release in one of the
ULPs. But it is not needed anymore, so delete them.

Signed-off-by: Wenchao Hao <haowenchao2@huawei.com>
Link: https://lore.kernel.org/r/20240318092320.1215235-1-haowenchao2@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/core/restrack.c | 51 +-----------------------------
 1 file changed, 1 insertion(+), 50 deletions(-)

diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index 01a499a8b88db..438ed35881752 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -37,22 +37,6 @@ int rdma_restrack_init(struct ib_device *dev)
 	return 0;
 }
 
-static const char *type2str(enum rdma_restrack_type type)
-{
-	static const char * const names[RDMA_RESTRACK_MAX] = {
-		[RDMA_RESTRACK_PD] = "PD",
-		[RDMA_RESTRACK_CQ] = "CQ",
-		[RDMA_RESTRACK_QP] = "QP",
-		[RDMA_RESTRACK_CM_ID] = "CM_ID",
-		[RDMA_RESTRACK_MR] = "MR",
-		[RDMA_RESTRACK_CTX] = "CTX",
-		[RDMA_RESTRACK_COUNTER] = "COUNTER",
-		[RDMA_RESTRACK_SRQ] = "SRQ",
-	};
-
-	return names[type];
-};
-
 /**
  * rdma_restrack_clean() - clean resource tracking
  * @dev:  IB device
@@ -60,47 +44,14 @@ static const char *type2str(enum rdma_restrack_type type)
 void rdma_restrack_clean(struct ib_device *dev)
 {
 	struct rdma_restrack_root *rt = dev->res;
-	struct rdma_restrack_entry *e;
-	char buf[TASK_COMM_LEN];
-	bool found = false;
-	const char *owner;
 	int i;
 
 	for (i = 0 ; i < RDMA_RESTRACK_MAX; i++) {
 		struct xarray *xa = &dev->res[i].xa;
 
-		if (!xa_empty(xa)) {
-			unsigned long index;
-
-			if (!found) {
-				pr_err("restrack: %s", CUT_HERE);
-				dev_err(&dev->dev, "BUG: RESTRACK detected leak of resources\n");
-			}
-			xa_for_each(xa, index, e) {
-				if (rdma_is_kernel_res(e)) {
-					owner = e->kern_name;
-				} else {
-					/*
-					 * There is no need to call get_task_struct here,
-					 * because we can be here only if there are more
-					 * get_task_struct() call than put_task_struct().
-					 */
-					get_task_comm(buf, e->task);
-					owner = buf;
-				}
-
-				pr_err("restrack: %s %s object allocated by %s is not freed\n",
-				       rdma_is_kernel_res(e) ? "Kernel" :
-							       "User",
-				       type2str(e->type), owner);
-			}
-			found = true;
-		}
+		WARN_ON(!xa_empty(xa));
 		xa_destroy(xa);
 	}
-	if (found)
-		pr_err("restrack: %s", CUT_HERE);
-
 	kfree(rt);
 }
 
-- 
2.43.0

[PATCH 6.9 081/222] net/iucv: Avoid explicit cpumask var allocation on stack

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dawei Li <dawei.li@shingroup.cn>

[ Upstream commit be4e1304419c99a164b4c0e101c7c2a756b635b9 ]

For CONFIG_CPUMASK_OFFSTACK=y kernel, explicit allocation of cpumask
variable on stack is not recommended since it can cause potential stack
overflow.

Instead, kernel code should always use *cpumask_var API(s) to allocate
cpumask var in config-neutral way, leaving allocation strategy to
CONFIG_CPUMASK_OFFSTACK.

Use *cpumask_var API(s) to address it.

Signed-off-by: Dawei Li <dawei.li@shingroup.cn>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://lore.kernel.org/r/20240331053441.1276826-2-dawei.li@shingroup.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/iucv/iucv.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index a4ab615ca3e3e..5e37a8ceebcb8 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -520,7 +520,7 @@ static void iucv_setmask_mp(void)
  */
 static void iucv_setmask_up(void)
 {
-	cpumask_t cpumask;
+	static cpumask_t cpumask;
 	int cpu;
 
 	/* Disable all cpu but the first in cpu_irq_cpumask. */
@@ -628,23 +628,33 @@ static int iucv_cpu_online(unsigned int cpu)
 
 static int iucv_cpu_down_prep(unsigned int cpu)
 {
-	cpumask_t cpumask;
+	cpumask_var_t cpumask;
+	int ret = 0;
 
 	if (!iucv_path_table)
 		return 0;
 
-	cpumask_copy(&cpumask, &iucv_buffer_cpumask);
-	cpumask_clear_cpu(cpu, &cpumask);
-	if (cpumask_empty(&cpumask))
+	if (!alloc_cpumask_var(&cpumask, GFP_KERNEL))
+		return -ENOMEM;
+
+	cpumask_copy(cpumask, &iucv_buffer_cpumask);
+	cpumask_clear_cpu(cpu, cpumask);
+	if (cpumask_empty(cpumask)) {
 		/* Can't offline last IUCV enabled cpu. */
-		return -EINVAL;
+		ret = -EINVAL;
+		goto __free_cpumask;
+	}
 
 	iucv_retrieve_cpu(NULL);
 	if (!cpumask_empty(&iucv_irq_cpumask))
-		return 0;
+		goto __free_cpumask;
+
 	smp_call_function_single(cpumask_first(&iucv_buffer_cpumask),
 				 iucv_allow_cpu, NULL, 1);
-	return 0;
+
+__free_cpumask:
+	free_cpumask_var(cpumask);
+	return ret;
 }
 
 /**
-- 
2.43.0

[PATCH 6.9 082/222] net/dpaa2: Avoid explicit cpumask var allocation on stack

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dawei Li <dawei.li@shingroup.cn>

[ Upstream commit d33fe1714a44ff540629b149d8fab4ac6967585c ]

For CONFIG_CPUMASK_OFFSTACK=y kernel, explicit allocation of cpumask
variable on stack is not recommended since it can cause potential stack
overflow.

Instead, kernel code should always use *cpumask_var API(s) to allocate
cpumask var in config-neutral way, leaving allocation strategy to
CONFIG_CPUMASK_OFFSTACK.

Use *cpumask_var API(s) to address it.

Signed-off-by: Dawei Li <dawei.li@shingroup.cn>
Link: https://lore.kernel.org/r/20240331053441.1276826-3-dawei.li@shingroup.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 888509cf1f210..40e8818295951 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -2896,11 +2896,14 @@ static int dpaa2_eth_xdp_xmit(struct net_device *net_dev, int n,
 static int update_xps(struct dpaa2_eth_priv *priv)
 {
 	struct net_device *net_dev = priv->net_dev;
-	struct cpumask xps_mask;
-	struct dpaa2_eth_fq *fq;
 	int i, num_queues, netdev_queues;
+	struct dpaa2_eth_fq *fq;
+	cpumask_var_t xps_mask;
 	int err = 0;
 
+	if (!alloc_cpumask_var(&xps_mask, GFP_KERNEL))
+		return -ENOMEM;
+
 	num_queues = dpaa2_eth_queue_count(priv);
 	netdev_queues = (net_dev->num_tc ? : 1) * num_queues;
 
@@ -2910,16 +2913,17 @@ static int update_xps(struct dpaa2_eth_priv *priv)
 	for (i = 0; i < netdev_queues; i++) {
 		fq = &priv->fq[i % num_queues];
 
-		cpumask_clear(&xps_mask);
-		cpumask_set_cpu(fq->target_cpu, &xps_mask);
+		cpumask_clear(xps_mask);
+		cpumask_set_cpu(fq->target_cpu, xps_mask);
 
-		err = netif_set_xps_queue(net_dev, &xps_mask, i);
+		err = netif_set_xps_queue(net_dev, xps_mask, i);
 		if (err) {
 			netdev_warn_once(net_dev, "Error setting XPS queue\n");
 			break;
 		}
 	}
 
+	free_cpumask_var(xps_mask);
 	return err;
 }
 
-- 
2.43.0

[PATCH 6.9 083/222] wifi: rtw89: download firmware with five times retry

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chia-Yuan Li <leo.li@realtek.com>

[ Upstream commit a9e1b0ec5bdeedcf062416af4081aa005f8bf1e7 ]

After firmware boots, it reads keys info from efuse and checks secure
checksum, but suddenly failed to access efuse resulting in probe failure,
and driver throws messages:

  rtw89_8852be 0000:03:00.0: fw security fail
  rtw89_8852be 0000:03:00.0: download firmware fail
  rtw89_8852be 0000:03:00.0: [ERR]fwdl 0x1E0 = 0xe2
  rtw89_8852be 0000:03:00.0: [ERR]fwdl 0x83F0 = 0x210090

Retry five times to resolve rare abnormal hardware state.

Signed-off-by: Chia-Yuan Li <leo.li@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/20240329015251.22762-2-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/realtek/rtw89/fw.c | 27 +++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 185cd339c0855..6c75ebbb21caa 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -1349,13 +1349,12 @@ static void rtw89_fw_prog_cnt_dump(struct rtw89_dev *rtwdev)
 static void rtw89_fw_dl_fail_dump(struct rtw89_dev *rtwdev)
 {
 	u32 val32;
-	u16 val16;
 
 	val32 = rtw89_read32(rtwdev, R_AX_WCPU_FW_CTRL);
 	rtw89_err(rtwdev, "[ERR]fwdl 0x1E0 = 0x%x\n", val32);
 
-	val16 = rtw89_read16(rtwdev, R_AX_BOOT_DBG + 2);
-	rtw89_err(rtwdev, "[ERR]fwdl 0x83F2 = 0x%x\n", val16);
+	val32 = rtw89_read32(rtwdev, R_AX_BOOT_DBG);
+	rtw89_err(rtwdev, "[ERR]fwdl 0x83F0 = 0x%x\n", val32);
 
 	rtw89_fw_prog_cnt_dump(rtwdev);
 }
@@ -1394,8 +1393,9 @@ static int rtw89_fw_download_suit(struct rtw89_dev *rtwdev,
 	return 0;
 }
 
-int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type,
-		      bool include_bb)
+static
+int __rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type,
+			bool include_bb)
 {
 	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
 	struct rtw89_fw_info *fw_info = &rtwdev->fw;
@@ -1433,7 +1433,7 @@ int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type,
 	ret = rtw89_fw_check_rdy(rtwdev, RTW89_FWDL_CHECK_FREERTOS_DONE);
 	if (ret) {
 		rtw89_warn(rtwdev, "download firmware fail\n");
-		return ret;
+		goto fwdl_err;
 	}
 
 	return ret;
@@ -1443,6 +1443,21 @@ int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type,
 	return ret;
 }
 
+int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type,
+		      bool include_bb)
+{
+	int retry;
+	int ret;
+
+	for (retry = 0; retry < 5; retry++) {
+		ret = __rtw89_fw_download(rtwdev, type, include_bb);
+		if (!ret)
+			return 0;
+	}
+
+	return ret;
+}
+
 int rtw89_wait_firmware_completion(struct rtw89_dev *rtwdev)
 {
 	struct rtw89_fw_info *fw = &rtwdev->fw;
-- 
2.43.0

[PATCH 6.9 084/222] crypto: ecdh - explicitly zeroize private_key

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joachim Vandersmissen <git@jvdsn.com>

[ Upstream commit 73e5984e540a76a2ee1868b91590c922da8c24c9 ]

private_key is overwritten with the key parameter passed in by the
caller (if present), or alternatively a newly generated private key.
However, it is possible that the caller provides a key (or the newly
generated key) which is shorter than the previous key. In that
scenario, some key material from the previous key would not be
overwritten. The easiest solution is to explicitly zeroize the entire
private_key array first.

Note that this patch slightly changes the behavior of this function:
previously, if the ecc_gen_privkey failed, the old private_key would
remain. Now, the private_key is always zeroized. This behavior is
consistent with the case where params.key is set and ecc_is_key_valid
fails.

Signed-off-by: Joachim Vandersmissen <git@jvdsn.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 crypto/ecdh.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto/ecdh.c b/crypto/ecdh.c
index 80afee3234fbe..3049f147e0117 100644
--- a/crypto/ecdh.c
+++ b/crypto/ecdh.c
@@ -33,6 +33,8 @@ static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf,
 	    params.key_size > sizeof(u64) * ctx->ndigits)
 		return -EINVAL;
 
+	memset(ctx->private_key, 0, sizeof(ctx->private_key));
+
 	if (!params.key || !params.key_size)
 		return ecc_gen_privkey(ctx->curve_id, ctx->ndigits,
 				       ctx->private_key);
-- 
2.43.0

[PATCH 6.9 085/222] ALSA: emux: improve patch ioctl data validation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>

[ Upstream commit 89b32ccb12ae67e630c6453d778ec30a592a212f ]

In load_data(), make the validation of and skipping over the main info
block match that in load_guspatch().

In load_guspatch(), add checking that the specified patch length matches
the actually supplied data, like load_data() already did.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Message-ID: <20240406064830.1029573-8-oswald.buddenhagen@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/synth/emux/soundfont.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/sound/synth/emux/soundfont.c b/sound/synth/emux/soundfont.c
index 16f00097cb95a..eed47e4830248 100644
--- a/sound/synth/emux/soundfont.c
+++ b/sound/synth/emux/soundfont.c
@@ -701,7 +701,6 @@ load_data(struct snd_sf_list *sflist, const void __user *data, long count)
 	struct snd_soundfont *sf;
 	struct soundfont_sample_info sample_info;
 	struct snd_sf_sample *sp;
-	long off;
 
 	/* patch must be opened */
 	sf = sflist->currsf;
@@ -711,12 +710,16 @@ load_data(struct snd_sf_list *sflist, const void __user *data, long count)
 	if (is_special_type(sf->type))
 		return -EINVAL;
 
+	if (count < (long)sizeof(sample_info)) {
+		return -EINVAL;
+	}
 	if (copy_from_user(&sample_info, data, sizeof(sample_info)))
 		return -EFAULT;
+	data += sizeof(sample_info);
+	count -= sizeof(sample_info);
 
-	off = sizeof(sample_info);
-
-	if (sample_info.size != (count-off)/2)
+	// SoundFont uses S16LE samples.
+	if (sample_info.size * 2 != count)
 		return -EINVAL;
 
 	/* Check for dup */
@@ -744,7 +747,7 @@ load_data(struct snd_sf_list *sflist, const void __user *data, long count)
 		int  rc;
 		rc = sflist->callback.sample_new
 			(sflist->callback.private_data, sp, sflist->memhdr,
-			 data + off, count - off);
+			 data, count);
 		if (rc < 0) {
 			sf_sample_delete(sflist, sf, sp);
 			return rc;
@@ -957,10 +960,12 @@ load_guspatch(struct snd_sf_list *sflist, const char __user *data,
 	}
 	if (copy_from_user(&patch, data, sizeof(patch)))
 		return -EFAULT;
-	
 	count -= sizeof(patch);
 	data += sizeof(patch);
 
+	if ((patch.len << (patch.mode & WAVE_16_BITS ? 1 : 0)) != count)
+		return -EINVAL;
+
 	sf = newsf(sflist, SNDRV_SFNT_PAT_TYPE_GUS|SNDRV_SFNT_PAT_SHARED, NULL);
 	if (sf == NULL)
 		return -ENOMEM;
-- 
2.43.0

[PATCH 6.9 086/222] media: dvbdev: Initialize sbuf

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ricardo Ribalda <ribalda@chromium.org>

[ Upstream commit 17d1316de0d7dc1bdc5d6e3ad4efd30a9bf1a381 ]

Because the size passed to copy_from_user() cannot be known beforehand,
it needs to be checked during runtime with check_object_size. That makes
gcc believe that the content of sbuf can be used before init.

Fix:
./include/linux/thread_info.h:215:17: warning: ‘sbuf’ may be used uninitialized [-Wmaybe-uninitialized]

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/dvb-core/dvbdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 733d0bc4b4cc3..b43695bc51e75 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -956,7 +956,7 @@ int dvb_usercopy(struct file *file,
 		 int (*func)(struct file *file,
 			     unsigned int cmd, void *arg))
 {
-	char    sbuf[128];
+	char    sbuf[128] = {};
 	void    *mbuf = NULL;
 	void    *parg = NULL;
 	int     err  = -EINVAL;
-- 
2.43.0

[PATCH 6.9 087/222] irqchip/loongson: Select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP for IRQ_LOONGARCH_CPU

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tiezhu Yang <yangtiezhu@loongson.cn>

[ Upstream commit 42a7d887664b02a747ef5d479f6fd01081564af8 ]

An interrupt's effective affinity can only be different from its configured
affinity if there are multiple CPUs. Make it clear that this option is only
meaningful when SMP is enabled. Otherwise, there exists "WARNING: unmet
direct dependencies detected for GENERIC_IRQ_EFFECTIVE_AFF_MASK" when make
menuconfig if CONFIG_SMP is not set on LoongArch.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240326121130.16622-3-yangtiezhu@loongson.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/irqchip/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 72c07a12f5e18..bfa1d77749f3e 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -568,7 +568,7 @@ config IRQ_LOONGARCH_CPU
 	bool
 	select GENERIC_IRQ_CHIP
 	select IRQ_DOMAIN
-	select GENERIC_IRQ_EFFECTIVE_AFF_MASK
+	select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP
 	select LOONGSON_HTVEC
 	select LOONGSON_LIOINTC
 	select LOONGSON_EIOINTC
-- 
2.43.0

[PATCH 6.9 088/222] iommu/arm-smmu-v3: Do not allow a SVA domain to be set on the wrong PASID

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jason Gunthorpe <jgg@nvidia.com>

[ Upstream commit fdc69d39e77f88264ee6e8174ff9aaf0953aecd9 ]

The SVA code is wired to assume that the SVA is programmed onto the
mm->pasid. The current core code always does this, so it is fine.

Add a check for clarity.

Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/3-v6-228e7adf25eb+4155-smmuv3_newapi_p2_jgg@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
index 2cd433a9c8a0f..41b44baef15e8 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
@@ -569,6 +569,9 @@ static int arm_smmu_sva_set_dev_pasid(struct iommu_domain *domain,
 	int ret = 0;
 	struct mm_struct *mm = domain->mm;
 
+	if (mm_get_enqcmd_pasid(mm) != id)
+		return -EINVAL;
+
 	mutex_lock(&sva_lock);
 	ret = __arm_smmu_sva_bind(dev, id, mm);
 	mutex_unlock(&sva_lock);
-- 
2.43.0

[PATCH 6.9 089/222] soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Davis <afd@ti.com>

[ Upstream commit ddbf3204f600a4d1f153498f618369fca352ae00 ]

mbox_send_message() sends a u32 bit message, not a pointer to a message.
We only convert to a pointer type as a generic type. If we want to send
a dummy message of 0, then simply send 0 (NULL).

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240325165507.30323-1-afd@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/ti/wkup_m3_ipc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c
index 6a1c6b34c414a..88f774db92084 100644
--- a/drivers/soc/ti/wkup_m3_ipc.c
+++ b/drivers/soc/ti/wkup_m3_ipc.c
@@ -16,7 +16,6 @@
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/omap-mailbox.h>
 #include <linux/platform_device.h>
 #include <linux/remoteproc.h>
 #include <linux/suspend.h>
@@ -314,7 +313,6 @@ static irqreturn_t wkup_m3_txev_handler(int irq, void *ipc_data)
 static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
 {
 	struct device *dev = m3_ipc->dev;
-	mbox_msg_t dummy_msg = 0;
 	int ret;
 
 	if (!m3_ipc->mbox) {
@@ -330,7 +328,7 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
 	 * the RX callback to avoid multiple interrupts being received
 	 * by the CM3.
 	 */
-	ret = mbox_send_message(m3_ipc->mbox, &dummy_msg);
+	ret = mbox_send_message(m3_ipc->mbox, NULL);
 	if (ret < 0) {
 		dev_err(dev, "%s: mbox_send_message() failed: %d\n",
 			__func__, ret);
@@ -352,7 +350,6 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
 static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc)
 {
 	struct device *dev = m3_ipc->dev;
-	mbox_msg_t dummy_msg = 0;
 	int ret;
 
 	if (!m3_ipc->mbox) {
@@ -361,7 +358,7 @@ static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc)
 		return -EIO;
 	}
 
-	ret = mbox_send_message(m3_ipc->mbox, &dummy_msg);
+	ret = mbox_send_message(m3_ipc->mbox, NULL);
 	if (ret < 0) {
 		dev_err(dev, "%s: mbox_send_message() failed: %d\n",
 			__func__, ret);
-- 
2.43.0

[PATCH 6.9 090/222] gfs2: Fix NULL pointer dereference in gfs2_log_flush

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andreas Gruenbacher <agruenba@redhat.com>

[ Upstream commit 35264909e9d1973ab9aaa2a1b07cda70f12bb828 ]

In gfs2_jindex_free(), set sdp->sd_jdesc to NULL under the log flush
lock to provide exclusion against gfs2_log_flush().

In gfs2_log_flush(), check if sdp->sd_jdesc is non-NULL before
dereferencing it.  Otherwise, we could run into a NULL pointer
dereference when outstanding glock work races with an unmount
(glock_work_func -> run_queue -> do_xmote -> inode_go_sync ->
gfs2_log_flush).

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/gfs2/log.c   | 3 ++-
 fs/gfs2/super.c | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 8cddf955ebc0c..a6dd68b458cec 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -1108,7 +1108,8 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
 	lops_before_commit(sdp, tr);
 	if (gfs2_withdrawing_or_withdrawn(sdp))
 		goto out_withdraw;
-	gfs2_log_submit_bio(&sdp->sd_jdesc->jd_log_bio, REQ_OP_WRITE);
+	if (sdp->sd_jdesc)
+		gfs2_log_submit_bio(&sdp->sd_jdesc->jd_log_bio, REQ_OP_WRITE);
 	if (gfs2_withdrawing_or_withdrawn(sdp))
 		goto out_withdraw;
 
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 2d780b4701a23..ee61fcb7f200d 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -67,9 +67,13 @@ void gfs2_jindex_free(struct gfs2_sbd *sdp)
 	sdp->sd_journals = 0;
 	spin_unlock(&sdp->sd_jindex_spin);
 
+	down_write(&sdp->sd_log_flush_lock);
 	sdp->sd_jdesc = NULL;
+	up_write(&sdp->sd_log_flush_lock);
+
 	while (!list_empty(&list)) {
 		jd = list_first_entry(&list, struct gfs2_jdesc, jd_list);
+		BUG_ON(jd->jd_log_bio);
 		gfs2_free_journal_extents(jd);
 		list_del(&jd->jd_list);
 		iput(jd->jd_inode);
-- 
2.43.0

[PATCH 6.9 091/222] evm: Enforce signatures on unsupported filesystem for EVM_INIT_X509

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stefan Berger <stefanb@linux.ibm.com>

[ Upstream commit 47add87ad181473e5ef2438918669540ba5016a6 ]

Unsupported filesystems currently do not enforce any signatures. Add
support for signature enforcement of the "original" and "portable &
immutable" signatures when EVM_INIT_X509 is enabled.

The "original" signature type contains filesystem specific metadata.
Thus it cannot be copied up and verified. However with EVM_INIT_X509
and EVM_ALLOW_METADATA_WRITES enabled, the "original" file signature
may be written.

When EVM_ALLOW_METADATA_WRITES is not set or once it is removed from
/sys/kernel/security/evm by setting EVM_INIT_HMAC for example, it is not
possible to write or remove xattrs on the overlay filesystem.

This change still prevents EVM from writing HMAC signatures on
unsupported filesystem when EVM_INIT_HMAC is enabled.

Co-developed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 security/integrity/evm/evm_main.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 81dbade5b9b3d..518b3090cdb77 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -192,7 +192,11 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
 		     iint->evm_status == INTEGRITY_PASS_IMMUTABLE))
 		return iint->evm_status;
 
-	if (is_unsupported_fs(dentry))
+	/*
+	 * On unsupported filesystems without EVM_INIT_X509 enabled, skip
+	 * signature verification.
+	 */
+	if (!(evm_initialized & EVM_INIT_X509) && is_unsupported_fs(dentry))
 		return INTEGRITY_UNKNOWN;
 
 	/* if status is not PASS, try to check again - against -ENOMEM */
@@ -260,7 +264,8 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
 				evm_status = INTEGRITY_PASS_IMMUTABLE;
 			} else if (!IS_RDONLY(inode) &&
 				   !(inode->i_sb->s_readonly_remount) &&
-				   !IS_IMMUTABLE(inode)) {
+				   !IS_IMMUTABLE(inode) &&
+				   !is_unsupported_fs(dentry)) {
 				evm_update_evmxattr(dentry, xattr_name,
 						    xattr_value,
 						    xattr_value_len);
@@ -418,9 +423,6 @@ enum integrity_status evm_verifyxattr(struct dentry *dentry,
 	if (!evm_key_loaded() || !evm_protected_xattr(xattr_name))
 		return INTEGRITY_UNKNOWN;
 
-	if (is_unsupported_fs(dentry))
-		return INTEGRITY_UNKNOWN;
-
 	return evm_verify_hmac(dentry, xattr_name, xattr_value,
 				 xattr_value_len);
 }
-- 
2.43.0

[PATCH 6.9 092/222] drm/radeon/radeon_display: Decrease the size of allocated memory

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Erick Archer <erick.archer@outlook.com>

[ Upstream commit ae6a233092747e9652eb793d92f79d0820e01c6a ]

This is an effort to get rid of all multiplications from allocation
functions in order to prevent integer overflows [1] [2].

In this case, the memory allocated to store RADEONFB_CONN_LIMIT pointers
to "drm_connector" structures can be avoided. This is because this
memory area is never accessed.

Also, in the kzalloc function, it is preferred to use sizeof(*pointer)
instead of sizeof(type) due to the type of the variable can change and
one needs not change the former (unlike the latter).

At the same time take advantage to remove the "#if 0" block, the code
where the removed memory area was accessed, and the RADEONFB_CONN_LIMIT
constant due to now is never used.

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Link: https://github.com/KSPP/linux/issues/160 [2]
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Erick Archer <erick.archer@outlook.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/radeon/radeon.h         | 1 -
 drivers/gpu/drm/radeon/radeon_display.c | 8 +-------
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 3e5ff17e3cafb..0999c8eaae94a 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -132,7 +132,6 @@ extern int radeon_cik_support;
 /* RADEON_IB_POOL_SIZE must be a power of 2 */
 #define RADEON_IB_POOL_SIZE			16
 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
-#define RADEONFB_CONN_LIMIT			4
 #define RADEON_BIOS_NUM_SCRATCH			8
 
 /* internal ring indices */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index efd18c8d84c83..5f1d24d3120c4 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -683,7 +683,7 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_crtc *radeon_crtc;
 
-	radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
+	radeon_crtc = kzalloc(sizeof(*radeon_crtc), GFP_KERNEL);
 	if (radeon_crtc == NULL)
 		return;
 
@@ -709,12 +709,6 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
 	dev->mode_config.cursor_width = radeon_crtc->max_cursor_width;
 	dev->mode_config.cursor_height = radeon_crtc->max_cursor_height;
 
-#if 0
-	radeon_crtc->mode_set.crtc = &radeon_crtc->base;
-	radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1);
-	radeon_crtc->mode_set.num_connectors = 0;
-#endif
-
 	if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom))
 		radeon_atombios_init_crtc(dev, radeon_crtc);
 	else
-- 
2.43.0

[PATCH 6.9 093/222] drm/xe: Check pat.ops before dumping PAT settings

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michal Wajdeczko <michal.wajdeczko@intel.com>

[ Upstream commit a918e771e6fbe1fa68932af5b0cdf473e23090cc ]

We may leave pat.ops unset when running on brand new platform or
when running as a VF.  While the former is unlikely, the latter
is valid (future) use case and will cause NPD when someone will
try to dump PAT settings by debugfs.

It's better to check pointer to pat.ops instead of specific .dump
hook, as we have this hook always defined for every .ops variant.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240409105106.1067-2-michal.wajdeczko@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/xe/xe_pat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_pat.c b/drivers/gpu/drm/xe/xe_pat.c
index e148934d554b0..351ab902eb600 100644
--- a/drivers/gpu/drm/xe/xe_pat.c
+++ b/drivers/gpu/drm/xe/xe_pat.c
@@ -457,7 +457,7 @@ void xe_pat_dump(struct xe_gt *gt, struct drm_printer *p)
 {
 	struct xe_device *xe = gt_to_xe(gt);
 
-	if (!xe->pat.ops->dump)
+	if (!xe->pat.ops)
 		return;
 
 	xe->pat.ops->dump(gt, p);
-- 
2.43.0

[PATCH 6.9 094/222] nvmet: do not return reserved for empty TSAS values

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hannes Reinecke <hare@kernel.org>

[ Upstream commit f31e85a4d7c6ac4a3e014129c9cdc31592ea29f3 ]

The 'TSAS' value is only defined for TCP and RDMA, but returning
'reserved' for undefined values tricked nvmetcli to try to write
'reserved' when restoring from a config file. This caused an error
and the configuration would not be applied.

Fixes: 3f123494db72 ("nvmet: make TCP sectype settable via configfs")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/target/configfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index dfdff6aba6953..c9640e6d10cab 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -410,7 +410,7 @@ static ssize_t nvmet_addr_tsas_show(struct config_item *item,
 				return sprintf(page, "%s\n", nvmet_addr_tsas_rdma[i].name);
 		}
 	}
-	return sprintf(page, "reserved\n");
+	return sprintf(page, "\n");
 }
 
 static ssize_t nvmet_addr_tsas_store(struct config_item *item,
-- 
2.43.0

[PATCH 6.9 095/222] nvme: fixup comment for nvme RDMA Provider Type

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hannes Reinecke <hare@suse.de>

[ Upstream commit f80a55fa90fa76d01e3fffaa5d0413e522ab9a00 ]

PRTYPE is the provider type, not the QP service type.

Fixes: eb793e2c9286 ("nvme.h: add NVMe over Fabrics definitions")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/nvme.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 4255732022953..69ac2abf8acfe 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -87,8 +87,8 @@ enum {
 	NVMF_RDMA_QPTYPE_DATAGRAM	= 2, /* Reliable Datagram */
 };
 
-/* RDMA QP Service Type codes for Discovery Log Page entry TSAS
- * RDMA_QPTYPE field
+/* RDMA Provider Type codes for Discovery Log Page entry TSAS
+ * RDMA_PRTYPE field
  */
 enum {
 	NVMF_RDMA_PRTYPE_NOT_SPECIFIED	= 1, /* No Provider Specified */
-- 
2.43.0

[PATCH 6.9 096/222] nvmet: make tsas attribute idempotent for RDMA

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hannes Reinecke <hare@kernel.org>

[ Upstream commit 0f1f5803920d2a6b88bee950914fd37421e17170 ]

The RDMA transport defines values for TSAS, but it cannot be changed as
we only support the 'connected' mode.
So to avoid errors during reconfiguration we should allow to write the
current value.

Fixes: 3f123494db72 ("nvmet: make TCP sectype settable via configfs")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/target/configfs.c | 39 ++++++++++++++++++++++++++--------
 include/linux/nvme.h           |  2 ++
 2 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index c9640e6d10cab..d80c3b93d6ce9 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -413,25 +413,46 @@ static ssize_t nvmet_addr_tsas_show(struct config_item *item,
 	return sprintf(page, "\n");
 }
 
+static u8 nvmet_addr_tsas_rdma_store(const char *page)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(nvmet_addr_tsas_rdma); i++) {
+		if (sysfs_streq(page, nvmet_addr_tsas_rdma[i].name))
+			return nvmet_addr_tsas_rdma[i].type;
+	}
+	return NVMF_RDMA_QPTYPE_INVALID;
+}
+
+static u8 nvmet_addr_tsas_tcp_store(const char *page)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(nvmet_addr_tsas_tcp); i++) {
+		if (sysfs_streq(page, nvmet_addr_tsas_tcp[i].name))
+			return nvmet_addr_tsas_tcp[i].type;
+	}
+	return NVMF_TCP_SECTYPE_INVALID;
+}
+
 static ssize_t nvmet_addr_tsas_store(struct config_item *item,
 		const char *page, size_t count)
 {
 	struct nvmet_port *port = to_nvmet_port(item);
 	u8 treq = nvmet_port_disc_addr_treq_mask(port);
-	u8 sectype;
-	int i;
+	u8 sectype, qptype;
 
 	if (nvmet_is_port_enabled(port, __func__))
 		return -EACCES;
 
-	if (port->disc_addr.trtype != NVMF_TRTYPE_TCP)
-		return -EINVAL;
-
-	for (i = 0; i < ARRAY_SIZE(nvmet_addr_tsas_tcp); i++) {
-		if (sysfs_streq(page, nvmet_addr_tsas_tcp[i].name)) {
-			sectype = nvmet_addr_tsas_tcp[i].type;
+	if (port->disc_addr.trtype == NVMF_TRTYPE_RDMA) {
+		qptype = nvmet_addr_tsas_rdma_store(page);
+		if (qptype == port->disc_addr.tsas.rdma.qptype)
+			return count;
+	} else if (port->disc_addr.trtype == NVMF_TRTYPE_TCP) {
+		sectype = nvmet_addr_tsas_tcp_store(page);
+		if (sectype != NVMF_TCP_SECTYPE_INVALID)
 			goto found;
-		}
 	}
 
 	pr_err("Invalid value '%s' for tsas\n", page);
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 69ac2abf8acfe..c693ac344ec05 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -85,6 +85,7 @@ enum {
 enum {
 	NVMF_RDMA_QPTYPE_CONNECTED	= 1, /* Reliable Connected */
 	NVMF_RDMA_QPTYPE_DATAGRAM	= 2, /* Reliable Datagram */
+	NVMF_RDMA_QPTYPE_INVALID	= 0xff,
 };
 
 /* RDMA Provider Type codes for Discovery Log Page entry TSAS
@@ -110,6 +111,7 @@ enum {
 	NVMF_TCP_SECTYPE_NONE = 0, /* No Security */
 	NVMF_TCP_SECTYPE_TLS12 = 1, /* TLSv1.2, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */
 	NVMF_TCP_SECTYPE_TLS13 = 2, /* TLSv1.3, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */
+	NVMF_TCP_SECTYPE_INVALID = 0xff,
 };
 
 #define NVME_AQ_DEPTH		32
-- 
2.43.0

[PATCH 6.9 097/222] drm/panel: simple: Add missing display timing flags for KOE TX26D202VM0BWA

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Liu Ying <victor.liu@nxp.com>

[ Upstream commit 37ce99b77762256ec9fda58d58fd613230151456 ]

KOE TX26D202VM0BWA panel spec indicates the DE signal is active high in
timing chart, so add DISPLAY_FLAGS_DE_HIGH flag in display timing flags.
This aligns display_timing with panel_desc.

Fixes: 8a07052440c2 ("drm/panel: simple: Add support for KOE TX26D202VM0BWA panel")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240624015612.341983-1-victor.liu@nxp.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240624015612.341983-1-victor.liu@nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/panel/panel-simple.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index e8fe5a69454d0..6aac6f2accb43 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2707,6 +2707,7 @@ static const struct display_timing koe_tx26d202vm0bwa_timing = {
 	.vfront_porch = { 3, 5, 10 },
 	.vback_porch = { 2, 5, 10 },
 	.vsync_len = { 5, 5, 5 },
+	.flags = DISPLAY_FLAGS_DE_HIGH,
 };
 
 static const struct panel_desc koe_tx26d202vm0bwa = {
-- 
2.43.0

[PATCH 6.9 098/222] gpio: davinci: Validate the obtained number of IRQs

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Aleksandr Mishin <amishin@t-argos.ru>

[ Upstream commit 7aa9b96e9a73e4ec1771492d0527bd5fc5ef9164 ]

Value of pdata->gpio_unbanked is taken from Device Tree. In case of broken
DT due to any error this value can be any. Without this value validation
there can be out of chips->irqs array boundaries access in
davinci_gpio_probe().

Validate the obtained nirq value so that it won't exceed the maximum
number of IRQs per bank.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: eb3744a2dd01 ("gpio: davinci: Do not assume continuous IRQ numbering")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Link: https://lore.kernel.org/r/20240618144344.16943-1-amishin@t-argos.ru
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpio-davinci.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index bb499e3629125..1d0175d6350b7 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -225,6 +225,11 @@ static int davinci_gpio_probe(struct platform_device *pdev)
 	else
 		nirq = DIV_ROUND_UP(ngpio, 16);
 
+	if (nirq > MAX_INT_PER_BANK) {
+		dev_err(dev, "Too many IRQs!\n");
+		return -EINVAL;
+	}
+
 	chips = devm_kzalloc(dev, sizeof(*chips), GFP_KERNEL);
 	if (!chips)
 		return -ENOMEM;
-- 
2.43.0

[PATCH 6.9 099/222] arm64: Clear the initial ID map correctly before remapping

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Zenghui Yu <yuzenghui@huawei.com>

[ Upstream commit ecc54006f158ae0245a13e59026da2f0239c1b86 ]

In the attempt to clear and recreate the initial ID map for LPA2, we
wrongly use 'start - end' as the map size and make the memset() almost a
nop.

Fix it by passing the correct map size.

Fixes: 9684ec186f8f ("arm64: Enable LPA2 at boot if supported by the system")
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20240621092809.162-1-yuzenghui@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/kernel/pi/map_kernel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/pi/map_kernel.c b/arch/arm64/kernel/pi/map_kernel.c
index 5fa08e13e17e5..f374a3e5a5fe1 100644
--- a/arch/arm64/kernel/pi/map_kernel.c
+++ b/arch/arm64/kernel/pi/map_kernel.c
@@ -173,7 +173,7 @@ static void __init remap_idmap_for_lpa2(void)
 	 * Don't bother with the FDT, we no longer need it after this.
 	 */
 	memset(init_idmap_pg_dir, 0,
-	       (u64)init_idmap_pg_dir - (u64)init_idmap_pg_end);
+	       (u64)init_idmap_pg_end - (u64)init_idmap_pg_dir);
 
 	create_init_idmap(init_idmap_pg_dir, mask);
 	dsb(ishst);
-- 
2.43.0

[PATCH 6.9 100/222] nfsd: initialise nfsd_info.mutex early.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: NeilBrown <neilb@suse.de>

[ Upstream commit e0011bca603c101f2a3c007bdb77f7006fa78fb1 ]

nfsd_info.mutex can be dereferenced by svc_pool_stats_start()
immediately after the new netns is created.  Currently this can
trigger an oops.

Move the initialisation earlier before it can possibly be dereferenced.

Fixes: 7b207ccd9833 ("svc: don't hold reference for poolstats, only mutex.")
Reported-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Closes: https://lore.kernel.org/all/c2e9f6de-1ec4-4d3a-b18d-d5a6ec0814a0@linux.ibm.com/
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/nfsd/nfsctl.c | 2 ++
 fs/nfsd/nfssvc.c | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 4d23bb1d08c0a..332847daa1b41 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1679,6 +1679,8 @@ static __net_init int nfsd_net_init(struct net *net)
 	nn->nfsd_svcstats.program = &nfsd_program;
 	nn->nfsd_versions = NULL;
 	nn->nfsd4_minorversions = NULL;
+	nn->nfsd_info.mutex = &nfsd_mutex;
+	nn->nfsd_serv = NULL;
 	nfsd4_init_leases_net(nn);
 	get_random_bytes(&nn->siphash_key, sizeof(nn->siphash_key));
 	seqlock_init(&nn->writeverf_lock);
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index c0d17b92b249f..f23b00cb9f631 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -673,7 +673,6 @@ int nfsd_create_serv(struct net *net)
 		return error;
 	}
 	spin_lock(&nfsd_notifier_lock);
-	nn->nfsd_info.mutex = &nfsd_mutex;
 	nn->nfsd_serv = serv;
 	spin_unlock(&nfsd_notifier_lock);
 
-- 
2.43.0

[PATCH 6.9 101/222] RISC-V: fix vector insn load/store width mask

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jesse Taube <jesse@rivosinc.com>

[ Upstream commit 04a2aef59cfe192aa99020601d922359978cc72a ]

RVFDQ_FL_FS_WIDTH_MASK should be 3 bits [14-12], shifted down by 12 bits.
Replace GENMASK(3, 0) with GENMASK(2, 0).

Fixes: cd054837243b ("riscv: Allocate user's vector context in the first-use trap")
Signed-off-by: Jesse Taube <jesse@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240606182800.415831-1-jesse@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/riscv/include/asm/insn.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/include/asm/insn.h b/arch/riscv/include/asm/insn.h
index 06e439eeef9ad..09fde95a5e8f7 100644
--- a/arch/riscv/include/asm/insn.h
+++ b/arch/riscv/include/asm/insn.h
@@ -145,7 +145,7 @@
 
 /* parts of opcode for RVF, RVD and RVQ */
 #define RVFDQ_FL_FS_WIDTH_OFF	12
-#define RVFDQ_FL_FS_WIDTH_MASK	GENMASK(3, 0)
+#define RVFDQ_FL_FS_WIDTH_MASK	GENMASK(2, 0)
 #define RVFDQ_FL_FS_WIDTH_W	2
 #define RVFDQ_FL_FS_WIDTH_D	3
 #define RVFDQ_LS_FS_WIDTH_Q	4
-- 
2.43.0

[PATCH 6.9 102/222] drm/amdgpu: Fix pci state save during mode-1 reset

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lijo Lazar <lijo.lazar@amd.com>

[ Upstream commit 74fa02c4a5ea1ade5156a6ce494d3ea83881c2d8 ]

Cache the PCI state before bus master is disabled. The saved state is
later used for other cases like restoring config space after mode-2
reset.

Fixes: 5c03e5843e6b ("drm/amdgpu:add smu mode1/2 support for aldebaran")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 941d6e379b8a6..eb8af023326ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5121,11 +5121,14 @@ int amdgpu_device_mode1_reset(struct amdgpu_device *adev)
 
 	dev_info(adev->dev, "GPU mode1 reset\n");
 
+	/* Cache the state before bus master disable. The saved config space
+	 * values are used in other cases like restore after mode-2 reset.
+	 */
+	amdgpu_device_cache_pci_state(adev->pdev);
+
 	/* disable BM */
 	pci_clear_master(adev->pdev);
 
-	amdgpu_device_cache_pci_state(adev->pdev);
-
 	if (amdgpu_dpm_is_mode1_reset_supported(adev)) {
 		dev_info(adev->dev, "GPU smu mode1 reset\n");
 		ret = amdgpu_dpm_mode1_reset(adev);
-- 
2.43.0

[PATCH 6.9 103/222] riscv: stacktrace: convert arch_stack_walk() to noinstr

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Chiu <andy.chiu@sifive.com>

[ Upstream commit 23b2188920a25e88d447dd7d819a0b0f62fb4455 ]

arch_stack_walk() is called intensively in function_graph when the
kernel is compiled with CONFIG_TRACE_IRQFLAGS. As a result, the kernel
logs a lot of arch_stack_walk and its sub-functions into the ftrace
buffer. However, these functions should not appear on the trace log
because they are part of the ftrace itself. This patch references what
arm64 does for the smae function. So it further prevent the re-enter
kprobe issue, which is also possible on riscv.

Related-to: commit 0fbcd8abf337 ("arm64: Prohibit instrumentation on arch_stack_walk()")
Fixes: 680341382da5 ("riscv: add CALLER_ADDRx support")
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240613-dev-andyc-dyn-ftrace-v4-v1-1-1a538e12c01e@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/riscv/kernel/stacktrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 528ec7cc9a622..0d3f00eb0baee 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -156,7 +156,7 @@ unsigned long __get_wchan(struct task_struct *task)
 	return pc;
 }
 
-noinline void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
+noinline noinstr void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
 		     struct task_struct *task, struct pt_regs *regs)
 {
 	walk_stackframe(task, regs, consume_entry, cookie);
-- 
2.43.0

[PATCH 6.9 104/222] iommu/amd: Introduce per device DTE update function

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasant Hegde <vasant.hegde@amd.com>

[ Upstream commit c5ebd09625391000026b0860952e05d0f7fc4519 ]

Consolidate per device update and flush logic into separate function.
Also make it as global function as it will be used in subsequent series
to update the DTE.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240418103400.6229-3-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Stable-dep-of: c362f32a59a8 ("iommu/amd: Invalidate cache before removing device from domain list")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd/amd_iommu.h |  1 +
 drivers/iommu/amd/iommu.c     | 26 ++++++++++++++++++--------
 2 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h
index f482aab420f78..95a161fdbae2c 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -56,6 +56,7 @@ int amd_iommu_clear_gcr3(struct iommu_dev_data *dev_data, ioasid_t pasid);
 void amd_iommu_flush_all_caches(struct amd_iommu *iommu);
 void amd_iommu_update_and_flush_device_table(struct protection_domain *domain);
 void amd_iommu_domain_update(struct protection_domain *domain);
+void amd_iommu_dev_update_dte(struct iommu_dev_data *dev_data, bool set);
 void amd_iommu_domain_flush_complete(struct protection_domain *domain);
 void amd_iommu_domain_flush_pages(struct protection_domain *domain,
 				  u64 address, size_t size);
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index fb727f5b0b82d..d19a12a158085 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2002,6 +2002,21 @@ static void clear_dte_entry(struct amd_iommu *iommu, u16 devid)
 	amd_iommu_apply_erratum_63(iommu, devid);
 }
 
+/* Update and flush DTE for the given device */
+void amd_iommu_dev_update_dte(struct iommu_dev_data *dev_data, bool set)
+{
+	struct amd_iommu *iommu = get_amd_iommu_from_dev(dev_data->dev);
+
+	if (set)
+		set_dte_entry(iommu, dev_data);
+	else
+		clear_dte_entry(iommu, dev_data->devid);
+
+	clone_aliases(iommu, dev_data->dev);
+	device_flush_dte(dev_data);
+	iommu_completion_wait(iommu);
+}
+
 static int do_attach(struct iommu_dev_data *dev_data,
 		     struct protection_domain *domain)
 {
@@ -2036,10 +2051,7 @@ static int do_attach(struct iommu_dev_data *dev_data,
 	}
 
 	/* Update device table */
-	set_dte_entry(iommu, dev_data);
-	clone_aliases(iommu, dev_data->dev);
-
-	device_flush_dte(dev_data);
+	amd_iommu_dev_update_dte(dev_data, true);
 
 	return ret;
 }
@@ -2058,11 +2070,9 @@ static void do_detach(struct iommu_dev_data *dev_data)
 	/* Update data structures */
 	dev_data->domain = NULL;
 	list_del(&dev_data->list);
-	clear_dte_entry(iommu, dev_data->devid);
-	clone_aliases(iommu, dev_data->dev);
 
-	/* Flush the DTE entry */
-	device_flush_dte(dev_data);
+	/* Clear DTE and flush the entry */
+	amd_iommu_dev_update_dte(dev_data, false);
 
 	/* Flush IOTLB and wait for the flushes to finish */
 	amd_iommu_domain_flush_all(domain);
-- 
2.43.0

[PATCH 6.9 105/222] iommu/amd: Invalidate cache before removing device from domain list

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasant Hegde <vasant.hegde@amd.com>

[ Upstream commit c362f32a59a84fe4453abecc6b53f5f70894a6d5 ]

Commit 87a6f1f22c97 ("iommu/amd: Introduce per-device domain ID to fix
potential TLB aliasing issue") introduced per device domain ID when
domain is configured with v2 page table. And in invalidation path, it
uses per device structure (dev_data->gcr3_info.domid) to get the domain ID.

In detach_device() path, current code tries to invalidate IOMMU cache
after removing dev_data from domain device list. This means when domain
is configured with v2 page table, amd_iommu_domain_flush_all() will not be
able to invalidate cache as device is already removed from domain device
list.

This is causing change domain tests (changing domain type from identity to DMA)
to fail with IO_PAGE_FAULT issue.

Hence invalidate cache and update DTE before updating data structures.

Reported-by: FahHean Lee <fahhean.lee@amd.com>
Reported-by: Dheeraj Kumar Srivastava <dheerajkumar.srivastava@amd.com>
Fixes: 87a6f1f22c97 ("iommu/amd: Introduce per-device domain ID to fix potential TLB aliasing issue")
Tested-by: Dheeraj Kumar Srivastava <dheerajkumar.srivastava@amd.com>
Tested-by: Sairaj Arun Kodilkar <sairaj.arunkodilkar@amd.com>
Tested-by: FahHean Lee <fahhean.lee@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20240620060552.13984-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd/iommu.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index d19a12a158085..e2b900ffbc158 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2061,6 +2061,12 @@ static void do_detach(struct iommu_dev_data *dev_data)
 	struct protection_domain *domain = dev_data->domain;
 	struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data);
 
+	/* Clear DTE and flush the entry */
+	amd_iommu_dev_update_dte(dev_data, false);
+
+	/* Flush IOTLB and wait for the flushes to finish */
+	amd_iommu_domain_flush_all(domain);
+
 	/* Clear GCR3 table */
 	if (domain->pd_mode == PD_MODE_V2) {
 		update_gcr3(dev_data, 0, 0, false);
@@ -2071,12 +2077,6 @@ static void do_detach(struct iommu_dev_data *dev_data)
 	dev_data->domain = NULL;
 	list_del(&dev_data->list);
 
-	/* Clear DTE and flush the entry */
-	amd_iommu_dev_update_dte(dev_data, false);
-
-	/* Flush IOTLB and wait for the flushes to finish */
-	amd_iommu_domain_flush_all(domain);
-
 	/* decrease reference counters - needs to happen after the flushes */
 	domain->dev_iommu[iommu->index] -= 1;
 	domain->dev_cnt                 -= 1;
-- 
2.43.0

[PATCH 6.9 106/222] iommu/amd: Fix GT feature enablement again

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasant Hegde <vasant.hegde@amd.com>

[ Upstream commit 150bdf5f8d8f805d70bebbbfd07697bd2416771a ]

Current code configures GCR3 even when device is attached to identity
domain. So that we can support SVA with identity domain. This means in
attach device path it updates Guest Translation related bits in DTE.

Commit de111f6b4f6a ("iommu/amd: Enable Guest Translation after reading
IOMMU feature register") missed to enable Control[GT] bit in resume
path. Its causing certain laptop to fail to resume after suspend.

This is because we have inconsistency between between control register
(GT is disabled) and DTE (where we have enabled guest translation related
bits) in resume path. And IOMMU hardware throws ILLEGAL_DEV_TABLE_ENTRY.

Fix it by enabling GT bit in resume path.

Reported-by: Błażej Szczygieł <spaz16@wp.pl>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218975
Fixes: de111f6b4f6a ("iommu/amd: Enable Guest Translation after reading IOMMU feature register")
Tested-by: Błażej Szczygieł <spaz16@wp.pl>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20240621101533.20216-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd/init.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index e740dc54c4685..21798a0fa9268 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -2784,6 +2784,7 @@ static void early_enable_iommu(struct amd_iommu *iommu)
 	iommu_enable_command_buffer(iommu);
 	iommu_enable_event_buffer(iommu);
 	iommu_set_exclusion_range(iommu);
+	iommu_enable_gt(iommu);
 	iommu_enable_ga(iommu);
 	iommu_enable_xt(iommu);
 	iommu_enable_irtcachedis(iommu);
-- 
2.43.0

[PATCH 6.9 107/222] gpiolib: cdev: Disallow reconfiguration without direction (uAPI v1)

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Gibson <warthog618@gmail.com>

[ Upstream commit 9919cce62f68e6ab68dc2a975b5dc670f8ca7d40 ]

linehandle_set_config() behaves badly when direction is not set.
The configuration validation is borrowed from linehandle_create(), where,
to verify the intent of the user, the direction must be set to in order
to effect a change to the electrical configuration of a line. But, when
applied to reconfiguration, that validation does not allow for the unset
direction case, making it possible to clear flags set previously without
specifying the line direction.

Adding to the inconsistency, those changes are not immediately applied by
linehandle_set_config(), but will take effect when the line value is next
get or set.

For example, by requesting a configuration with no flags set, an output
line with GPIOHANDLE_REQUEST_ACTIVE_LOW and GPIOHANDLE_REQUEST_OPEN_DRAIN
requested could have those flags cleared, inverting the sense of the line
and changing the line drive to push-pull on the next line value set.

Ensure the intent of the user by disallowing configurations which do not
have direction set, returning an error to userspace to indicate that the
configuration is invalid.

And, for clarity, use lflags, a local copy of gcnf.flags, throughout when
dealing with the requested flags, rather than a mixture of both.

Fixes: e588bb1eae31 ("gpio: add new SET_CONFIG ioctl() to gpio chardev")
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20240626052925.174272-2-warthog618@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpiolib-cdev.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 9dad67ea25974..04261adf320b8 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -89,6 +89,10 @@ struct linehandle_state {
 	GPIOHANDLE_REQUEST_OPEN_DRAIN | \
 	GPIOHANDLE_REQUEST_OPEN_SOURCE)
 
+#define GPIOHANDLE_REQUEST_DIRECTION_FLAGS \
+	(GPIOHANDLE_REQUEST_INPUT | \
+	 GPIOHANDLE_REQUEST_OUTPUT)
+
 static int linehandle_validate_flags(u32 flags)
 {
 	/* Return an error if an unknown flag is set */
@@ -169,21 +173,21 @@ static long linehandle_set_config(struct linehandle_state *lh,
 	if (ret)
 		return ret;
 
+	/* Lines must be reconfigured explicitly as input or output. */
+	if (!(lflags & GPIOHANDLE_REQUEST_DIRECTION_FLAGS))
+		return -EINVAL;
+
 	for (i = 0; i < lh->num_descs; i++) {
 		desc = lh->descs[i];
-		linehandle_flags_to_desc_flags(gcnf.flags, &desc->flags);
+		linehandle_flags_to_desc_flags(lflags, &desc->flags);
 
-		/*
-		 * Lines have to be requested explicitly for input
-		 * or output, else the line will be treated "as is".
-		 */
 		if (lflags & GPIOHANDLE_REQUEST_OUTPUT) {
 			int val = !!gcnf.default_values[i];
 
 			ret = gpiod_direction_output(desc, val);
 			if (ret)
 				return ret;
-		} else if (lflags & GPIOHANDLE_REQUEST_INPUT) {
+		} else {
 			ret = gpiod_direction_input(desc);
 			if (ret)
 				return ret;
-- 
2.43.0

[PATCH 6.9 108/222] gpiolib: cdev: Ignore reconfiguration without direction

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Gibson <warthog618@gmail.com>

[ Upstream commit b440396387418fe2feaacd41ca16080e7a8bc9ad ]

linereq_set_config() behaves badly when direction is not set.
The configuration validation is borrowed from linereq_create(), where,
to verify the intent of the user, the direction must be set to in order to
effect a change to the electrical configuration of a line. But, when
applied to reconfiguration, that validation does not allow for the unset
direction case, making it possible to clear flags set previously without
specifying the line direction.

Adding to the inconsistency, those changes are not immediately applied by
linereq_set_config(), but will take effect when the line value is next get
or set.

For example, by requesting a configuration with no flags set, an output
line with GPIO_V2_LINE_FLAG_ACTIVE_LOW and GPIO_V2_LINE_FLAG_OPEN_DRAIN
set could have those flags cleared, inverting the sense of the line and
changing the line drive to push-pull on the next line value set.

Skip the reconfiguration of lines for which the direction is not set, and
only reconfigure the lines for which direction is set.

Fixes: a54756cb24ea ("gpiolib: cdev: support GPIO_V2_LINE_SET_CONFIG_IOCTL")
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20240626052925.174272-3-warthog618@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpiolib-cdev.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 04261adf320b8..5639abce6ec57 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -1534,12 +1534,14 @@ static long linereq_set_config(struct linereq *lr, void __user *ip)
 		line = &lr->lines[i];
 		desc = lr->lines[i].desc;
 		flags = gpio_v2_line_config_flags(&lc, i);
-		gpio_v2_line_config_flags_to_desc_flags(flags, &desc->flags);
-		edflags = flags & GPIO_V2_LINE_EDGE_DETECTOR_FLAGS;
 		/*
-		 * Lines have to be requested explicitly for input
-		 * or output, else the line will be treated "as is".
+		 * Lines not explicitly reconfigured as input or output
+		 * are left unchanged.
 		 */
+		if (!(flags & GPIO_V2_LINE_DIRECTION_FLAGS))
+			continue;
+		gpio_v2_line_config_flags_to_desc_flags(flags, &desc->flags);
+		edflags = flags & GPIO_V2_LINE_EDGE_DETECTOR_FLAGS;
 		if (flags & GPIO_V2_LINE_FLAG_OUTPUT) {
 			int val = gpio_v2_line_config_output_value(&lc, i);
 
@@ -1547,7 +1549,7 @@ static long linereq_set_config(struct linereq *lr, void __user *ip)
 			ret = gpiod_direction_output(desc, val);
 			if (ret)
 				return ret;
-		} else if (flags & GPIO_V2_LINE_FLAG_INPUT) {
+		} else {
 			ret = gpiod_direction_input(desc);
 			if (ret)
 				return ret;
-- 
2.43.0

[PATCH 6.9 109/222] tools/power turbostat: option -n is ambiguous

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Arcari <darcari@redhat.com>

[ Upstream commit ebb5b260af67c677700cd51be6845c2cab3edfbd ]

In some cases specifying the '-n' command line argument will cause
turbostat to fail.  For instance 'turbostat -n 1' works fine; however,
'turbostat -n 1 -d' will fail.  This is the result of the first call
to getopt_long_only() where "MP" is specified as the optstring.  This can
be easily fixed by changing the optstring from "MP" to "MPn:" to remove
ambiguity between the arguments.

tools/power turbostat: option '-n' is ambiguous; possibilities: '-num_iterations' '-no-msr' '-no-perf'

Fixes: a0e86c90b83c ("tools/power turbostat: Add --no-perf option")

Signed-off-by: David Arcari <darcari@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/power/x86/turbostat/turbostat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 98256468e2480..8071a3ef2a2e8 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -7851,7 +7851,7 @@ void cmdline(int argc, char **argv)
 	 * Parse some options early, because they may make other options invalid,
 	 * like adding the MSR counter with --add and at the same time using --no-msr.
 	 */
-	while ((opt = getopt_long_only(argc, argv, "MP", long_options, &option_index)) != -1) {
+	while ((opt = getopt_long_only(argc, argv, "MPn:", long_options, &option_index)) != -1) {
 		switch (opt) {
 		case 'M':
 			no_msr = 1;
-- 
2.43.0

[PATCH 6.9 110/222] randomize_kstack: Remove non-functional per-arch entropy filtering

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kees Cook <kees@kernel.org>

[ Upstream commit 6db1208bf95b4c091897b597c415e11edeab2e2d ]

An unintended consequence of commit 9c573cd31343 ("randomize_kstack:
Improve entropy diffusion") was that the per-architecture entropy size
filtering reduced how many bits were being added to the mix, rather than
how many bits were being used during the offsetting. All architectures
fell back to the existing default of 0x3FF (10 bits), which will consume
at most 1KiB of stack space. It seems that this is working just fine,
so let's avoid the confusion and update everything to use the default.

The prior intent of the per-architecture limits were:

  arm64: capped at 0x1FF (9 bits), 5 bits effective
  powerpc: uncapped (10 bits), 6 or 7 bits effective
  riscv: uncapped (10 bits), 6 bits effective
  x86: capped at 0xFF (8 bits), 5 (x86_64) or 6 (ia32) bits effective
  s390: capped at 0xFF (8 bits), undocumented effective entropy

Current discussion has led to just dropping the original per-architecture
filters. The additional entropy appears to be safe for arm64, x86,
and s390. Quoting Arnd, "There is no point pretending that 15.75KB is
somehow safe to use while 15.00KB is not."

Co-developed-by: Yuntao Liu <liuyuntao12@huawei.com>
Signed-off-by: Yuntao Liu <liuyuntao12@huawei.com>
Fixes: 9c573cd31343 ("randomize_kstack: Improve entropy diffusion")
Link: https://lore.kernel.org/r/20240617133721.377540-1-liuyuntao12@huawei.com
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com> # s390
Link: https://lore.kernel.org/r/20240619214711.work.953-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/kernel/syscall.c          | 16 +++++++---------
 arch/s390/include/asm/entry-common.h |  2 +-
 arch/x86/include/asm/entry-common.h  | 15 ++++++---------
 3 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index ad198262b9817..7230f6e20ab8b 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/arm64/kernel/syscall.c
@@ -53,17 +53,15 @@ static void invoke_syscall(struct pt_regs *regs, unsigned int scno,
 	syscall_set_return_value(current, regs, 0, ret);
 
 	/*
-	 * Ultimately, this value will get limited by KSTACK_OFFSET_MAX(),
-	 * but not enough for arm64 stack utilization comfort. To keep
-	 * reasonable stack head room, reduce the maximum offset to 9 bits.
+	 * This value will get limited by KSTACK_OFFSET_MAX(), which is 10
+	 * bits. The actual entropy will be further reduced by the compiler
+	 * when applying stack alignment constraints: the AAPCS mandates a
+	 * 16-byte aligned SP at function boundaries, which will remove the
+	 * 4 low bits from any entropy chosen here.
 	 *
-	 * The actual entropy will be further reduced by the compiler when
-	 * applying stack alignment constraints: the AAPCS mandates a
-	 * 16-byte (i.e. 4-bit) aligned SP at function boundaries.
-	 *
-	 * The resulting 5 bits of entropy is seen in SP[8:4].
+	 * The resulting 6 bits of entropy is seen in SP[9:4].
 	 */
-	choose_random_kstack_offset(get_random_u16() & 0x1FF);
+	choose_random_kstack_offset(get_random_u16());
 }
 
 static inline bool has_syscall_work(unsigned long flags)
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h
index 7f5004065e8aa..35555c9446308 100644
--- a/arch/s390/include/asm/entry-common.h
+++ b/arch/s390/include/asm/entry-common.h
@@ -54,7 +54,7 @@ static __always_inline void arch_exit_to_user_mode(void)
 static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs,
 						  unsigned long ti_work)
 {
-	choose_random_kstack_offset(get_tod_clock_fast() & 0xff);
+	choose_random_kstack_offset(get_tod_clock_fast());
 }
 
 #define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare
diff --git a/arch/x86/include/asm/entry-common.h b/arch/x86/include/asm/entry-common.h
index 7e523bb3d2d31..fb2809b20b0ac 100644
--- a/arch/x86/include/asm/entry-common.h
+++ b/arch/x86/include/asm/entry-common.h
@@ -73,19 +73,16 @@ static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs,
 #endif
 
 	/*
-	 * Ultimately, this value will get limited by KSTACK_OFFSET_MAX(),
-	 * but not enough for x86 stack utilization comfort. To keep
-	 * reasonable stack head room, reduce the maximum offset to 8 bits.
-	 *
-	 * The actual entropy will be further reduced by the compiler when
-	 * applying stack alignment constraints (see cc_stack_align4/8 in
+	 * This value will get limited by KSTACK_OFFSET_MAX(), which is 10
+	 * bits. The actual entropy will be further reduced by the compiler
+	 * when applying stack alignment constraints (see cc_stack_align4/8 in
 	 * arch/x86/Makefile), which will remove the 3 (x86_64) or 2 (ia32)
 	 * low bits from any entropy chosen here.
 	 *
-	 * Therefore, final stack offset entropy will be 5 (x86_64) or
-	 * 6 (ia32) bits.
+	 * Therefore, final stack offset entropy will be 7 (x86_64) or
+	 * 8 (ia32) bits.
 	 */
-	choose_random_kstack_offset(rdtsc() & 0xFF);
+	choose_random_kstack_offset(rdtsc());
 }
 #define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare
 
-- 
2.43.0

[PATCH 6.9 111/222] x86: stop playing stack games in profile_pc()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Linus Torvalds <torvalds@linux-foundation.org>

[ Upstream commit 093d9603b60093a9aaae942db56107f6432a5dca ]

The 'profile_pc()' function is used for timer-based profiling, which
isn't really all that relevant any more to begin with, but it also ends
up making assumptions based on the stack layout that aren't necessarily
valid.

Basically, the code tries to account the time spent in spinlocks to the
caller rather than the spinlock, and while I support that as a concept,
it's not worth the code complexity or the KASAN warnings when no serious
profiling is done using timers anyway these days.

And the code really does depend on stack layout that is only true in the
simplest of cases.  We've lost the comment at some point (I think when
the 32-bit and 64-bit code was unified), but it used to say:

	Assume the lock function has either no stack frame or a copy
	of eflags from PUSHF.

which explains why it just blindly loads a word or two straight off the
stack pointer and then takes a minimal look at the values to just check
if they might be eflags or the return pc:

	Eflags always has bits 22 and up cleared unlike kernel addresses

but that basic stack layout assumption assumes that there isn't any lock
debugging etc going on that would complicate the code and cause a stack
frame.

It causes KASAN unhappiness reported for years by syzkaller [1] and
others [2].

With no real practical reason for this any more, just remove the code.

Just for historical interest, here's some background commits relating to
this code from 2006:

  0cb91a229364 ("i386: Account spinlocks to the caller during profiling for !FP kernels")
  31679f38d886 ("Simplify profile_pc on x86-64")

and a code unification from 2009:

  ef4512882dbe ("x86: time_32/64.c unify profile_pc")

but the basics of this thing actually goes back to before the git tree.

Link: https://syzkaller.appspot.com/bug?extid=84fe685c02cd112a2ac3 [1]
Link: https://lore.kernel.org/all/CAK55_s7Xyq=nh97=K=G1sxueOFrJDAvPOJAL4TPTCAYvmxO9_A@mail.gmail.com/ [2]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kernel/time.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index e42faa792c079..52e1f3f0b361c 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -27,25 +27,7 @@
 
 unsigned long profile_pc(struct pt_regs *regs)
 {
-	unsigned long pc = instruction_pointer(regs);
-
-	if (!user_mode(regs) && in_lock_functions(pc)) {
-#ifdef CONFIG_FRAME_POINTER
-		return *(unsigned long *)(regs->bp + sizeof(long));
-#else
-		unsigned long *sp = (unsigned long *)regs->sp;
-		/*
-		 * Return address is either directly at stack pointer
-		 * or above a saved flags. Eflags has bits 22-31 zero,
-		 * kernel addresses don't.
-		 */
-		if (sp[0] >> 22)
-			return sp[0];
-		if (sp[1] >> 22)
-			return sp[1];
-#endif
-	}
-	return pc;
+	return instruction_pointer(regs);
 }
 EXPORT_SYMBOL(profile_pc);
 
-- 
2.43.0

[PATCH 6.9 112/222] parisc: use generic sys_fanotify_mark implementation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 403f17a330732a666ae793f3b15bc75bb5540524 ]

The sys_fanotify_mark() syscall on parisc uses the reverse word order
for the two halves of the 64-bit argument compared to all syscalls on
all 32-bit architectures. As far as I can tell, the problem is that
the function arguments on parisc are sorted backwards (26, 25, 24, 23,
...) compared to everyone else, so the calling conventions of using an
even/odd register pair in native word order result in the lower word
coming first in function arguments, matching the expected behavior
on little-endian architectures. The system call conventions however
ended up matching what the other 32-bit architectures do.

A glibc cleanup in 2020 changed the userspace behavior in a way that
handles all architectures consistently, but this inadvertently broke
parisc32 by changing to the same method as everyone else.

The change made it into glibc-2.35 and subsequently into debian 12
(bookworm), which is the latest stable release. This means we
need to choose between reverting the glibc change or changing the
kernel to match it again, but either hange will leave some systems
broken.

Pick the option that is more likely to help current and future
users and change the kernel to match current glibc. This also
means the behavior is now consistent across architectures, but
it breaks running new kernels with old glibc builds before 2.35.

Link: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=d150181d73d9
Link: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/arch/parisc/kernel/sys_parisc.c?h=57b1dfbd5b4a39d
Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
I found this through code inspection, please double-check to make
sure I got the bug and the fix right.

The alternative is to fix this by reverting glibc back to the
unusual behavior.

Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/parisc/Kconfig                     | 1 +
 arch/parisc/kernel/sys_parisc32.c       | 9 ---------
 arch/parisc/kernel/syscalls/syscall.tbl | 2 +-
 3 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index daafeb20f9937..dc9b902de8ea9 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -16,6 +16,7 @@ config PARISC
 	select ARCH_HAS_UBSAN
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_NO_SG_CHAIN
+	select ARCH_SPLIT_ARG64 if !64BIT
 	select ARCH_SUPPORTS_HUGETLBFS if PA20
 	select ARCH_SUPPORTS_MEMORY_FAILURE
 	select ARCH_STACKWALK
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index 2a12a547b447b..826c8e51b5853 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -23,12 +23,3 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
     	current->comm, current->pid, r20);
     return -ENOSYS;
 }
-
-asmlinkage long sys32_fanotify_mark(compat_int_t fanotify_fd, compat_uint_t flags,
-	compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd,
-	const char  __user * pathname)
-{
-	return sys_fanotify_mark(fanotify_fd, flags,
-			((__u64)mask1 << 32) | mask0,
-			 dfd, pathname);
-}
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 58ecf687d98da..0f631cb2cdea7 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -364,7 +364,7 @@
 320	common	accept4			sys_accept4
 321	common	prlimit64		sys_prlimit64
 322	common	fanotify_init		sys_fanotify_init
-323	common	fanotify_mark		sys_fanotify_mark		sys32_fanotify_mark
+323	common	fanotify_mark		sys_fanotify_mark		compat_sys_fanotify_mark
 324	32	clock_adjtime		sys_clock_adjtime32
 324	64	clock_adjtime		sys_clock_adjtime
 325	common	name_to_handle_at	sys_name_to_handle_at
-- 
2.43.0

[PATCH 6.9 113/222] Revert "MIPS: pci: lantiq: restore reset gpio polarity"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

commit 6e5aee08bd2517397c9572243a816664f2ead547 upstream.

This reverts commit 277a0363120276645ae598d8d5fea7265e076ae9.

While fixing old boards with broken DTs, this change will break
newer ones with correct gpio polarity annotation.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/mips/pci/pci-lantiq.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -124,14 +124,14 @@ static int ltq_pci_startup(struct platfo
 		clk_disable(clk_external);
 
 	/* setup reset gpio used by pci */
-	reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_ASIS);
+	reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset",
+					     GPIOD_OUT_LOW);
 	error = PTR_ERR_OR_ZERO(reset_gpio);
 	if (error) {
 		dev_err(&pdev->dev, "failed to request gpio: %d\n", error);
 		return error;
 	}
 	gpiod_set_consumer_name(reset_gpio, "pci_reset");
-	gpiod_direction_output(reset_gpio, 1);
 
 	/* enable auto-switching between PCI and EBU */
 	ltq_pci_w32(0xa, PCI_CR_CLK_CTRL);
@@ -194,10 +194,10 @@ static int ltq_pci_startup(struct platfo
 
 	/* toggle reset pin */
 	if (reset_gpio) {
-		gpiod_set_value_cansleep(reset_gpio, 0);
+		gpiod_set_value_cansleep(reset_gpio, 1);
 		wmb();
 		mdelay(1);
-		gpiod_set_value_cansleep(reset_gpio, 1);
+		gpiod_set_value_cansleep(reset_gpio, 0);
 	}
 	return 0;
 }

[PATCH 6.9 114/222] pinctrl: qcom: spmi-gpio: drop broken pm8008 support

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <johan+linaro@kernel.org>

commit 8da86499d4cd125a9561f9cd1de7fba99b0aecbf upstream.

The SPMI GPIO driver assumes that the parent device is an SPMI device
and accesses random data when backcasting the parent struct device
pointer for non-SPMI devices.

Fortunately this does not seem to cause any issues currently when the
parent device is an I2C client like the PM8008, but this could change if
the structures are reorganised (e.g. using structure randomisation).

Notably the interrupt implementation is also broken for non-SPMI devices.

Also note that the two GPIO pins on PM8008 are used for interrupts and
reset so their practical use should be limited.

Drop the broken GPIO support for PM8008 for now.

Fixes: ea119e5a482a ("pinctrl: qcom-pmic-gpio: Add support for pm8008")
Cc: stable@vger.kernel.org	# 5.13
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240529162958.18081-9-johan+linaro@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/pinctrl/qcom/pinctrl-spmi-gpio.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
@@ -1206,7 +1206,6 @@ static const struct of_device_id pmic_gp
 	{ .compatible = "qcom,pm7325-gpio", .data = (void *) 10 },
 	{ .compatible = "qcom,pm7550ba-gpio", .data = (void *) 8},
 	{ .compatible = "qcom,pm8005-gpio", .data = (void *) 4 },
-	{ .compatible = "qcom,pm8008-gpio", .data = (void *) 2 },
 	{ .compatible = "qcom,pm8019-gpio", .data = (void *) 6 },
 	/* pm8150 has 10 GPIOs with holes on 2, 5, 7 and 8 */
 	{ .compatible = "qcom,pm8150-gpio", .data = (void *) 10 },

[PATCH 6.9 115/222] ocfs2: fix DIO failure due to insufficient transaction credits

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jan Kara <jack@suse.cz>

commit be346c1a6eeb49d8fda827d2a9522124c2f72f36 upstream.

The code in ocfs2_dio_end_io_write() estimates number of necessary
transaction credits using ocfs2_calc_extend_credits().  This however does
not take into account that the IO could be arbitrarily large and can
contain arbitrary number of extents.

Extent tree manipulations do often extend the current transaction but not
in all of the cases.  For example if we have only single block extents in
the tree, ocfs2_mark_extent_written() will end up calling
ocfs2_replace_extent_rec() all the time and we will never extend the
current transaction and eventually exhaust all the transaction credits if
the IO contains many single block extents.  Once that happens a
WARN_ON(jbd2_handle_buffer_credits(handle) <= 0) is triggered in
jbd2_journal_dirty_metadata() and subsequently OCFS2 aborts in response to
this error.  This was actually triggered by one of our customers on a
heavily fragmented OCFS2 filesystem.

To fix the issue make sure the transaction always has enough credits for
one extent insert before each call of ocfs2_mark_extent_written().

Heming Zhao said:

------
PANIC: "Kernel panic - not syncing: OCFS2: (device dm-1): panic forced after error"

PID: xxx  TASK: xxxx  CPU: 5  COMMAND: "SubmitThread-CA"
  #0 machine_kexec at ffffffff8c069932
  #1 __crash_kexec at ffffffff8c1338fa
  #2 panic at ffffffff8c1d69b9
  #3 ocfs2_handle_error at ffffffffc0c86c0c [ocfs2]
  #4 __ocfs2_abort at ffffffffc0c88387 [ocfs2]
  #5 ocfs2_journal_dirty at ffffffffc0c51e98 [ocfs2]
  #6 ocfs2_split_extent at ffffffffc0c27ea3 [ocfs2]
  #7 ocfs2_change_extent_flag at ffffffffc0c28053 [ocfs2]
  #8 ocfs2_mark_extent_written at ffffffffc0c28347 [ocfs2]
  #9 ocfs2_dio_end_io_write at ffffffffc0c2bef9 [ocfs2]
#10 ocfs2_dio_end_io at ffffffffc0c2c0f5 [ocfs2]
#11 dio_complete at ffffffff8c2b9fa7
#12 do_blockdev_direct_IO at ffffffff8c2bc09f
#13 ocfs2_direct_IO at ffffffffc0c2b653 [ocfs2]
#14 generic_file_direct_write at ffffffff8c1dcf14
#15 __generic_file_write_iter at ffffffff8c1dd07b
#16 ocfs2_file_write_iter at ffffffffc0c49f1f [ocfs2]
#17 aio_write at ffffffff8c2cc72e
#18 kmem_cache_alloc at ffffffff8c248dde
#19 do_io_submit at ffffffff8c2ccada
#20 do_syscall_64 at ffffffff8c004984
#21 entry_SYSCALL_64_after_hwframe at ffffffff8c8000ba

Link: https://lkml.kernel.org/r/20240617095543.6971-1-jack@suse.cz
Link: https://lkml.kernel.org/r/20240614145243.8837-1-jack@suse.cz
Fixes: c15471f79506 ("ocfs2: fix sparse file & data ordering issue in direct io")
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/ocfs2/aops.c        |    5 +++++
 fs/ocfs2/journal.c     |   17 +++++++++++++++++
 fs/ocfs2/journal.h     |    2 ++
 fs/ocfs2/ocfs2_trace.h |    2 ++
 4 files changed, 26 insertions(+)

--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -2368,6 +2368,11 @@ static int ocfs2_dio_end_io_write(struct
 	}
 
 	list_for_each_entry(ue, &dwc->dw_zero_list, ue_node) {
+		ret = ocfs2_assure_trans_credits(handle, credits);
+		if (ret < 0) {
+			mlog_errno(ret);
+			break;
+		}
 		ret = ocfs2_mark_extent_written(inode, &et, handle,
 						ue->ue_cpos, 1,
 						ue->ue_phys,
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -446,6 +446,23 @@ bail:
 }
 
 /*
+ * Make sure handle has at least 'nblocks' credits available. If it does not
+ * have that many credits available, we will try to extend the handle to have
+ * enough credits. If that fails, we will restart transaction to have enough
+ * credits. Similar notes regarding data consistency and locking implications
+ * as for ocfs2_extend_trans() apply here.
+ */
+int ocfs2_assure_trans_credits(handle_t *handle, int nblocks)
+{
+	int old_nblks = jbd2_handle_buffer_credits(handle);
+
+	trace_ocfs2_assure_trans_credits(old_nblks);
+	if (old_nblks >= nblocks)
+		return 0;
+	return ocfs2_extend_trans(handle, nblocks - old_nblks);
+}
+
+/*
  * If we have fewer than thresh credits, extend by OCFS2_MAX_TRANS_DATA.
  * If that fails, restart the transaction & regain write access for the
  * buffer head which is used for metadata modifications.
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -243,6 +243,8 @@ handle_t		    *ocfs2_start_trans(struct
 int			     ocfs2_commit_trans(struct ocfs2_super *osb,
 						handle_t *handle);
 int			     ocfs2_extend_trans(handle_t *handle, int nblocks);
+int			     ocfs2_assure_trans_credits(handle_t *handle,
+						int nblocks);
 int			     ocfs2_allocate_extend_trans(handle_t *handle,
 						int thresh);
 
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -2577,6 +2577,8 @@ DEFINE_OCFS2_ULL_UINT_EVENT(ocfs2_commit
 
 DEFINE_OCFS2_INT_INT_EVENT(ocfs2_extend_trans);
 
+DEFINE_OCFS2_INT_EVENT(ocfs2_assure_trans_credits);
+
 DEFINE_OCFS2_INT_EVENT(ocfs2_extend_trans_restart);
 
 DEFINE_OCFS2_INT_INT_EVENT(ocfs2_allocate_extend_trans);

[PATCH 6.9 116/222] nfs: drop the incorrect assertion in nfs_swap_rw()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christoph Hellwig <hch@lst.de>

commit 54e7d59841dab977f6cb1183d658b1b82c9f4e94 upstream.

Since commit 2282679fb20b ("mm: submit multipage write for SWP_FS_OPS
swap-space"), we can plug multiple pages then unplug them all together.
That means iov_iter_count(iter) could be way bigger than PAGE_SIZE, it
actually equals the size of iov_iter_npages(iter, INT_MAX).

Note this issue has nothing to do with large folios as we don't support
THP_SWPOUT to non-block devices.

[v-songbaohua@oppo.com: figure out the cause and correct the commit message]
Link: https://lkml.kernel.org/r/20240618065647.21791-1-21cnbao@gmail.com
Fixes: 2282679fb20b ("mm: submit multipage write for SWP_FS_OPS swap-space")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Closes: https://lore.kernel.org/linux-mm/20240617053201.GA16852@lst.de/
Reviewed-by: Martin Wege <martin.l.wege@gmail.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <anna@kernel.org>
Cc: Steve French <sfrench@samba.org>
Cc: Trond Myklebust <trondmy@kernel.org>
Cc: Chuanhua Han <hanchuanhua@oppo.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/nfs/direct.c |    2 --
 1 file changed, 2 deletions(-)

--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -141,8 +141,6 @@ int nfs_swap_rw(struct kiocb *iocb, stru
 {
 	ssize_t ret;
 
-	VM_BUG_ON(iov_iter_count(iter) != PAGE_SIZE);
-
 	if (iov_iter_rw(iter) == READ)
 		ret = nfs_file_direct_read(iocb, iter, true);
 	else

[PATCH 6.9 117/222] kasan: fix bad call to unpoison_slab_object

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrey Konovalov <andreyknvl@gmail.com>

commit 1c61990d3762a020817daa353da0a0af6794140b upstream.

Commit 29d7355a9d05 ("kasan: save alloc stack traces for mempool") messed
up one of the calls to unpoison_slab_object: the last two arguments are
supposed to be GFP flags and whether to init the object memory.

Fix the call.

Without this fix, __kasan_mempool_unpoison_object provides the object's
size as GFP flags to unpoison_slab_object, which can cause LOCKDEP reports
(and probably other issues).

Link: https://lkml.kernel.org/r/20240614143238.60323-1-andrey.konovalov@linux.dev
Fixes: 29d7355a9d05 ("kasan: save alloc stack traces for mempool")
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Reported-by: Brad Spengler <spender@grsecurity.net>
Acked-by: Marco Elver <elver@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 mm/kasan/common.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -532,7 +532,7 @@ void __kasan_mempool_unpoison_object(voi
 		return;
 
 	/* Unpoison the object and save alloc info for non-kmalloc() allocations. */
-	unpoison_slab_object(slab->slab_cache, ptr, size, flags);
+	unpoison_slab_object(slab->slab_cache, ptr, flags, false);
 
 	/* Poison the redzone and save alloc info for kmalloc() allocations. */
 	if (is_kmalloc_cache(slab->slab_cache))

[PATCH 6.9 118/222] mm: fix incorrect vbq reference in purge_fragmented_block

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>

commit 8c61291fd8500e3b35c7ec0c781b273d8cc96cde upstream.

xa_for_each() in _vm_unmap_aliases() loops through all vbs.  However,
since commit 062eacf57ad9 ("mm: vmalloc: remove a global vmap_blocks
xarray") the vb from xarray may not be on the corresponding CPU
vmap_block_queue.  Consequently, purge_fragmented_block() might use the
wrong vbq->lock to protect the free list, leading to vbq->free breakage.

Incorrect lock protection can exhaust all vmalloc space as follows:
CPU0                                            CPU1
+--------------------------------------------+
|    +--------------------+     +-----+      |
+--> |                    |---->|     |------+
     | CPU1:vbq free_list |     | vb1 |
+--- |                    |<----|     |<-----+
|    +--------------------+     +-----+      |
+--------------------------------------------+

_vm_unmap_aliases()                             vb_alloc()
                                                new_vmap_block()
xa_for_each(&vbq->vmap_blocks, idx, vb)
--> vb in CPU1:vbq->freelist

purge_fragmented_block(vb)
spin_lock(&vbq->lock)                           spin_lock(&vbq->lock)
--> use CPU0:vbq->lock                          --> use CPU1:vbq->lock

list_del_rcu(&vb->free_list)                    list_add_tail_rcu(&vb->free_list, &vbq->free)
    __list_del(vb->prev, vb->next)
        next->prev = prev
    +--------------------+
    |                    |
    | CPU1:vbq free_list |
+---|                    |<--+
|   +--------------------+   |
+----------------------------+
                                                __list_add(new, head->prev, head)
+--------------------------------------------+
|    +--------------------+     +-----+      |
+--> |                    |---->|     |------+
     | CPU1:vbq free_list |     | vb2 |
+--- |                    |<----|     |<-----+
|    +--------------------+     +-----+      |
+--------------------------------------------+

        prev->next = next
+--------------------------------------------+
|----------------------------+               |
|    +--------------------+  |  +-----+      |
+--> |                    |--+  |     |------+
     | CPU1:vbq free_list |     | vb2 |
+--- |                    |<----|     |<-----+
|    +--------------------+     +-----+      |
+--------------------------------------------+
Here’s a list breakdown. All vbs, which were to be added to
‘prev’, cannot be used by list_for_each_entry_rcu(vb, &vbq->free,
free_list) in vb_alloc(). Thus, vmalloc space is exhausted.

This issue affects both erofs and f2fs, the stacktrace is as follows:
erofs:
[<ffffffd4ffb93ad4>] __switch_to+0x174
[<ffffffd4ffb942f0>] __schedule+0x624
[<ffffffd4ffb946f4>] schedule+0x7c
[<ffffffd4ffb947cc>] schedule_preempt_disabled+0x24
[<ffffffd4ffb962ec>] __mutex_lock+0x374
[<ffffffd4ffb95998>] __mutex_lock_slowpath+0x14
[<ffffffd4ffb95954>] mutex_lock+0x24
[<ffffffd4fef2900c>] reclaim_and_purge_vmap_areas+0x44
[<ffffffd4fef25908>] alloc_vmap_area+0x2e0
[<ffffffd4fef24ea0>] vm_map_ram+0x1b0
[<ffffffd4ff1b46f4>] z_erofs_lz4_decompress+0x278
[<ffffffd4ff1b8ac4>] z_erofs_decompress_queue+0x650
[<ffffffd4ff1b8328>] z_erofs_runqueue+0x7f4
[<ffffffd4ff1b66a8>] z_erofs_read_folio+0x104
[<ffffffd4feeb6fec>] filemap_read_folio+0x6c
[<ffffffd4feeb68c4>] filemap_fault+0x300
[<ffffffd4fef0ecac>] __do_fault+0xc8
[<ffffffd4fef0c908>] handle_mm_fault+0xb38
[<ffffffd4ffb9f008>] do_page_fault+0x288
[<ffffffd4ffb9ed64>] do_translation_fault[jt]+0x40
[<ffffffd4fec39c78>] do_mem_abort+0x58
[<ffffffd4ffb8c3e4>] el0_ia+0x70
[<ffffffd4ffb8c260>] el0t_64_sync_handler[jt]+0xb0
[<ffffffd4fec11588>] ret_to_user[jt]+0x0

f2fs:
[<ffffffd4ffb93ad4>] __switch_to+0x174
[<ffffffd4ffb942f0>] __schedule+0x624
[<ffffffd4ffb946f4>] schedule+0x7c
[<ffffffd4ffb947cc>] schedule_preempt_disabled+0x24
[<ffffffd4ffb962ec>] __mutex_lock+0x374
[<ffffffd4ffb95998>] __mutex_lock_slowpath+0x14
[<ffffffd4ffb95954>] mutex_lock+0x24
[<ffffffd4fef2900c>] reclaim_and_purge_vmap_areas+0x44
[<ffffffd4fef25908>] alloc_vmap_area+0x2e0
[<ffffffd4fef24ea0>] vm_map_ram+0x1b0
[<ffffffd4ff1a3b60>] f2fs_prepare_decomp_mem+0x144
[<ffffffd4ff1a6c24>] f2fs_alloc_dic+0x264
[<ffffffd4ff175468>] f2fs_read_multi_pages+0x428
[<ffffffd4ff17b46c>] f2fs_mpage_readpages+0x314
[<ffffffd4ff1785c4>] f2fs_readahead+0x50
[<ffffffd4feec3384>] read_pages+0x80
[<ffffffd4feec32c0>] page_cache_ra_unbounded+0x1a0
[<ffffffd4feec39e8>] page_cache_ra_order+0x274
[<ffffffd4feeb6cec>] do_sync_mmap_readahead+0x11c
[<ffffffd4feeb6764>] filemap_fault+0x1a0
[<ffffffd4ff1423bc>] f2fs_filemap_fault+0x28
[<ffffffd4fef0ecac>] __do_fault+0xc8
[<ffffffd4fef0c908>] handle_mm_fault+0xb38
[<ffffffd4ffb9f008>] do_page_fault+0x288
[<ffffffd4ffb9ed64>] do_translation_fault[jt]+0x40
[<ffffffd4fec39c78>] do_mem_abort+0x58
[<ffffffd4ffb8c3e4>] el0_ia+0x70
[<ffffffd4ffb8c260>] el0t_64_sync_handler[jt]+0xb0
[<ffffffd4fec11588>] ret_to_user[jt]+0x0

To fix this, introducee cpu within vmap_block to record which this vb
belongs to.

Link: https://lkml.kernel.org/r/20240614021352.1822225-1-zhaoyang.huang@unisoc.com
Link: https://lkml.kernel.org/r/20240607023116.1720640-1-zhaoyang.huang@unisoc.com
Fixes: fc1e0d980037 ("mm/vmalloc: prevent stale TLBs in fully utilized blocks")
Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Suggested-by: Hailong.Liu <hailong.liu@oppo.com>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 mm/vmalloc.c |   21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2474,6 +2474,7 @@ struct vmap_block {
 	struct list_head free_list;
 	struct rcu_head rcu_head;
 	struct list_head purge;
+	unsigned int cpu;
 };
 
 /* Queue of free and dirty vmap blocks, for allocation and flushing purposes */
@@ -2601,8 +2602,15 @@ static void *new_vmap_block(unsigned int
 		free_vmap_area(va);
 		return ERR_PTR(err);
 	}
-
-	vbq = raw_cpu_ptr(&vmap_block_queue);
+	/*
+	 * list_add_tail_rcu could happened in another core
+	 * rather than vb->cpu due to task migration, which
+	 * is safe as list_add_tail_rcu will ensure the list's
+	 * integrity together with list_for_each_rcu from read
+	 * side.
+	 */
+	vb->cpu = raw_smp_processor_id();
+	vbq = per_cpu_ptr(&vmap_block_queue, vb->cpu);
 	spin_lock(&vbq->lock);
 	list_add_tail_rcu(&vb->free_list, &vbq->free);
 	spin_unlock(&vbq->lock);
@@ -2630,9 +2638,10 @@ static void free_vmap_block(struct vmap_
 }
 
 static bool purge_fragmented_block(struct vmap_block *vb,
-		struct vmap_block_queue *vbq, struct list_head *purge_list,
-		bool force_purge)
+		struct list_head *purge_list, bool force_purge)
 {
+	struct vmap_block_queue *vbq = &per_cpu(vmap_block_queue, vb->cpu);
+
 	if (vb->free + vb->dirty != VMAP_BBMAP_BITS ||
 	    vb->dirty == VMAP_BBMAP_BITS)
 		return false;
@@ -2680,7 +2689,7 @@ static void purge_fragmented_blocks(int
 			continue;
 
 		spin_lock(&vb->lock);
-		purge_fragmented_block(vb, vbq, &purge, true);
+		purge_fragmented_block(vb, &purge, true);
 		spin_unlock(&vb->lock);
 	}
 	rcu_read_unlock();
@@ -2817,7 +2826,7 @@ static void _vm_unmap_aliases(unsigned l
 			 * not purgeable, check whether there is dirty
 			 * space to be flushed.
 			 */
-			if (!purge_fragmented_block(vb, vbq, &purge_list, false) &&
+			if (!purge_fragmented_block(vb, &purge_list, false) &&
 			    vb->dirty_max && vb->dirty != VMAP_BBMAP_BITS) {
 				unsigned long va_start = vb->va->va_start;
 				unsigned long s, e;

[PATCH 6.9 119/222] mm/memory: dont require head page for do_set_pmd()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Bresticker <abrestic@rivosinc.com>

commit ab1ffc86cb5bec1c92387b9811d9036512f8f4eb upstream.

The requirement that the head page be passed to do_set_pmd() was added in
commit ef37b2ea08ac ("mm/memory: page_add_file_rmap() ->
folio_add_file_rmap_[pte|pmd]()") and prevents pmd-mapping in the
finish_fault() and filemap_map_pages() paths if the page to be inserted is
anything but the head page for an otherwise suitable vma and pmd-sized
page.

Matthew said:

: We're going to stop using PMDs to map large folios unless the fault is
: within the first 4KiB of the PMD.  No idea how many workloads that
: affects, but it only needs to be backported as far as v6.8, so we may
: as well backport it.

Link: https://lkml.kernel.org/r/20240611153216.2794513-1-abrestic@rivosinc.com
Fixes: ef37b2ea08ac ("mm/memory: page_add_file_rmap() -> folio_add_file_rmap_[pte|pmd]()")
Signed-off-by: Andrew Bresticker <abrestic@rivosinc.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 mm/memory.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4583,8 +4583,9 @@ vm_fault_t do_set_pmd(struct vm_fault *v
 	if (!thp_vma_suitable_order(vma, haddr, PMD_ORDER))
 		return ret;
 
-	if (page != &folio->page || folio_order(folio) != HPAGE_PMD_ORDER)
+	if (folio_order(folio) != HPAGE_PMD_ORDER)
 		return ret;
+	page = &folio->page;
 
 	/*
 	 * Just backoff if any subpage of a THP is corrupted otherwise

[PATCH 6.9 120/222] Revert "mmc: moxart-mmc: Use sg_miter for PIO"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Linus Walleij <linus.walleij@linaro.org>

commit 84bb8d8bbd8384081c3fc5c4f20b223524af529d upstream.

This reverts commit 3ee0e7c3e67cab83ffbbe7707b43df8d41c9fe47.

The patch is not working for unknown reasons and I would
need access to the hardware to fix the bug.

This shouldn't matter anyway: the Moxa Art is not expected
to use highmem, and sg_miter() is only necessary to have
to properly deal with highmem.

Reported-by: Sergei Antonov <saproj@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fixes: 3ee0e7c3e67c ("mmc: moxart-mmc: Use sg_miter for PIO")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240606-mmc-moxart-revert-v1-1-a01c2f40de9c@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/mmc/host/moxart-mmc.c | 78 +++++++++++++++++++----------------
 1 file changed, 43 insertions(+), 35 deletions(-)

diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index 9a5f75163aca..8ede4ce93271 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -131,10 +131,12 @@ struct moxart_host {
 	struct dma_async_tx_descriptor	*tx_desc;
 	struct mmc_host			*mmc;
 	struct mmc_request		*mrq;
+	struct scatterlist		*cur_sg;
 	struct completion		dma_complete;
 	struct completion		pio_complete;
 
-	struct sg_mapping_iter		sg_miter;
+	u32				num_sg;
+	u32				data_remain;
 	u32				data_len;
 	u32				fifo_width;
 	u32				timeout;
@@ -146,6 +148,35 @@ struct moxart_host {
 	bool				is_removed;
 };
 
+static inline void moxart_init_sg(struct moxart_host *host,
+				  struct mmc_data *data)
+{
+	host->cur_sg = data->sg;
+	host->num_sg = data->sg_len;
+	host->data_remain = host->cur_sg->length;
+
+	if (host->data_remain > host->data_len)
+		host->data_remain = host->data_len;
+}
+
+static inline int moxart_next_sg(struct moxart_host *host)
+{
+	int remain;
+	struct mmc_data *data = host->mrq->cmd->data;
+
+	host->cur_sg++;
+	host->num_sg--;
+
+	if (host->num_sg > 0) {
+		host->data_remain = host->cur_sg->length;
+		remain = host->data_len - data->bytes_xfered;
+		if (remain > 0 && remain < host->data_remain)
+			host->data_remain = remain;
+	}
+
+	return host->num_sg;
+}
+
 static int moxart_wait_for_status(struct moxart_host *host,
 				  u32 mask, u32 *status)
 {
@@ -278,29 +309,14 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
 
 static void moxart_transfer_pio(struct moxart_host *host)
 {
-	struct sg_mapping_iter *sgm = &host->sg_miter;
 	struct mmc_data *data = host->mrq->cmd->data;
 	u32 *sgp, len = 0, remain, status;
 
 	if (host->data_len == data->bytes_xfered)
 		return;
 
-	/*
-	 * By updating sgm->consumes this will get a proper pointer into the
-	 * buffer at any time.
-	 */
-	if (!sg_miter_next(sgm)) {
-		/* This shold not happen */
-		dev_err(mmc_dev(host->mmc), "ran out of scatterlist prematurely\n");
-		data->error = -EINVAL;
-		complete(&host->pio_complete);
-		return;
-	}
-	sgp = sgm->addr;
-	remain = sgm->length;
-	if (remain > host->data_len)
-		remain = host->data_len;
-	sgm->consumed = 0;
+	sgp = sg_virt(host->cur_sg);
+	remain = host->data_remain;
 
 	if (data->flags & MMC_DATA_WRITE) {
 		while (remain > 0) {
@@ -315,7 +331,6 @@ static void moxart_transfer_pio(struct moxart_host *host)
 				sgp++;
 				len += 4;
 			}
-			sgm->consumed += len;
 			remain -= len;
 		}
 
@@ -332,22 +347,22 @@ static void moxart_transfer_pio(struct moxart_host *host)
 				sgp++;
 				len += 4;
 			}
-			sgm->consumed += len;
 			remain -= len;
 		}
 	}
 
-	data->bytes_xfered += sgm->consumed;
-	if (host->data_len == data->bytes_xfered) {
+	data->bytes_xfered += host->data_remain - remain;
+	host->data_remain = remain;
+
+	if (host->data_len != data->bytes_xfered)
+		moxart_next_sg(host);
+	else
 		complete(&host->pio_complete);
-		return;
-	}
 }
 
 static void moxart_prepare_data(struct moxart_host *host)
 {
 	struct mmc_data *data = host->mrq->cmd->data;
-	unsigned int flags = SG_MITER_ATOMIC; /* Used from IRQ */
 	u32 datactrl;
 	int blksz_bits;
 
@@ -358,19 +373,15 @@ static void moxart_prepare_data(struct moxart_host *host)
 	blksz_bits = ffs(data->blksz) - 1;
 	BUG_ON(1 << blksz_bits != data->blksz);
 
+	moxart_init_sg(host, data);
+
 	datactrl = DCR_DATA_EN | (blksz_bits & DCR_BLK_SIZE);
 
-	if (data->flags & MMC_DATA_WRITE) {
-		flags |= SG_MITER_FROM_SG;
+	if (data->flags & MMC_DATA_WRITE)
 		datactrl |= DCR_DATA_WRITE;
-	} else {
-		flags |= SG_MITER_TO_SG;
-	}
 
 	if (moxart_use_dma(host))
 		datactrl |= DCR_DMA_EN;
-	else
-		sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
 
 	writel(DCR_DATA_FIFO_RESET, host->base + REG_DATA_CONTROL);
 	writel(MASK_DATA | FIFO_URUN | FIFO_ORUN, host->base + REG_CLEAR);
@@ -443,9 +454,6 @@ static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	}
 
 request_done:
-	if (!moxart_use_dma(host))
-		sg_miter_stop(&host->sg_miter);
-
 	spin_unlock_irqrestore(&host->lock, flags);
 	mmc_request_done(host->mmc, mrq);
 }
-- 
2.45.2

[PATCH 6.9 121/222] mmc: sdhci-pci-o2micro: Convert PCIBIOS_* return codes to errnos

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

commit a91bf3b3beadbb4f8b3bbc7969fb2ae1615e25c8 upstream.

sdhci_pci_o2_probe() uses pci_read_config_{byte,dword}() that return
PCIBIOS_* codes. The return code is then returned as is but as
sdhci_pci_o2_probe() is probe function chain, it should return normal
errnos.

Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal
errno before returning them. Add a label for read failure so that the
conversion can be done in one place rather than on all of the return
statements.

Fixes: 3d757ddbd68c ("mmc: sdhci-pci-o2micro: add Bayhub new chip GG8 support for UHS-I")
Fixes: d599005afde8 ("mmc: sdhci-pci-o2micro: Add missing checks in sdhci_pci_o2_probe")
Fixes: 706adf6bc31c ("mmc: sdhci-pci-o2micro: Add SeaBird SeaEagle SD3 support")
Fixes: 01acf6917aed ("mmc: sdhci-pci: add support of O2Micro/BayHubTech SD hosts")
Fixes: 26daa1ed40c6 ("mmc: sdhci: Disable ADMA on some O2Micro SD/MMC parts.")
Cc: stable@vger.kernel.org
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240527132443.14038-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/mmc/host/sdhci-pci-o2micro.c |   41 ++++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 19 deletions(-)

--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -823,7 +823,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 				O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch &= 0x7f;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
 
@@ -834,7 +834,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 				O2_SD_CLKREQ, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x20;
 		pci_write_config_byte(chip->pdev, O2_SD_CLKREQ, scratch);
 
@@ -843,7 +843,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		 */
 		ret = pci_read_config_byte(chip->pdev, O2_SD_CAPS, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x01;
 		pci_write_config_byte(chip->pdev, O2_SD_CAPS, scratch);
 		pci_write_config_byte(chip->pdev, O2_SD_CAPS, 0x73);
@@ -856,7 +856,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 				O2_SD_INF_MOD, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x08;
 		pci_write_config_byte(chip->pdev, O2_SD_INF_MOD, scratch);
 
@@ -864,7 +864,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 				O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x80;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
 		break;
@@ -875,7 +875,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 				O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 
 		scratch &= 0x7f;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
@@ -886,7 +886,7 @@ static int sdhci_pci_o2_probe(struct sdh
 						    O2_SD_FUNC_REG0,
 						    &scratch_32);
 			if (ret)
-				return ret;
+				goto read_fail;
 			scratch_32 = ((scratch_32 & 0xFF000000) >> 24);
 
 			/* Check Whether subId is 0x11 or 0x12 */
@@ -898,7 +898,7 @@ static int sdhci_pci_o2_probe(struct sdh
 							    O2_SD_FUNC_REG4,
 							    &scratch_32);
 				if (ret)
-					return ret;
+					goto read_fail;
 
 				/* Enable Base Clk setting change */
 				scratch_32 |= O2_SD_FREG4_ENABLE_CLK_SET;
@@ -921,7 +921,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_dword(chip->pdev,
 					    O2_SD_CLK_SETTING, &scratch_32);
 		if (ret)
-			return ret;
+			goto read_fail;
 
 		scratch_32 &= ~(0xFF00);
 		scratch_32 |= 0x07E0C800;
@@ -931,14 +931,14 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_dword(chip->pdev,
 					    O2_SD_CLKREQ, &scratch_32);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch_32 |= 0x3;
 		pci_write_config_dword(chip->pdev, O2_SD_CLKREQ, scratch_32);
 
 		ret = pci_read_config_dword(chip->pdev,
 					    O2_SD_PLL_SETTING, &scratch_32);
 		if (ret)
-			return ret;
+			goto read_fail;
 
 		scratch_32 &= ~(0x1F3F070E);
 		scratch_32 |= 0x18270106;
@@ -949,7 +949,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_dword(chip->pdev,
 					    O2_SD_CAP_REG2, &scratch_32);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch_32 &= ~(0xE0);
 		pci_write_config_dword(chip->pdev,
 				       O2_SD_CAP_REG2, scratch_32);
@@ -961,7 +961,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 					   O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x80;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
 		break;
@@ -971,7 +971,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 				O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 
 		scratch &= 0x7f;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
@@ -979,7 +979,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_dword(chip->pdev,
 					    O2_SD_PLL_SETTING, &scratch_32);
 		if (ret)
-			return ret;
+			goto read_fail;
 
 		if ((scratch_32 & 0xff000000) == 0x01000000) {
 			scratch_32 &= 0x0000FFFF;
@@ -998,7 +998,7 @@ static int sdhci_pci_o2_probe(struct sdh
 						    O2_SD_FUNC_REG4,
 						    &scratch_32);
 			if (ret)
-				return ret;
+				goto read_fail;
 			scratch_32 |= (1 << 22);
 			pci_write_config_dword(chip->pdev,
 					       O2_SD_FUNC_REG4, scratch_32);
@@ -1017,7 +1017,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		ret = pci_read_config_byte(chip->pdev,
 					   O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x80;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
 		break;
@@ -1028,7 +1028,7 @@ static int sdhci_pci_o2_probe(struct sdh
 		/* UnLock WP */
 		ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch &= 0x7f;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
 
@@ -1057,13 +1057,16 @@ static int sdhci_pci_o2_probe(struct sdh
 		/* Lock WP */
 		ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch);
 		if (ret)
-			return ret;
+			goto read_fail;
 		scratch |= 0x80;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
 		break;
 	}
 
 	return 0;
+
+read_fail:
+	return pcibios_err_to_errno(ret);
 }
 
 #ifdef CONFIG_PM_SLEEP

[PATCH 6.9 122/222] mmc: sdhci-brcmstb: check R1_STATUS for erase/trim/discard

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kamal Dasu <kamal.dasu@broadcom.com>

commit d77dc388cd61dfdafe30b98025fa827498378199 upstream.

When erase/trim/discard completion was converted to mmc_poll_for_busy(),
optional support to poll with the host_ops->card_busy() callback was also
added.

The common sdhci's ->card_busy() turns out not to be working as expected
for the sdhci-brcmstb variant, as it keeps returning busy beyond the card's
busy period. In particular, this leads to the below splat for
mmc_do_erase() when running a discard (BLKSECDISCARD) operation during
mkfs.f2fs:

    Info: [/dev/mmcblk1p9] Discarding device
    [   39.597258] sysrq: Show Blocked State
    [   39.601183] task:mkfs.f2fs       state:D stack:0     pid:1561  tgid:1561  ppid:1542   flags:0x0000000d
    [   39.610609] Call trace:
    [   39.613098]  __switch_to+0xd8/0xf4
    [   39.616582]  __schedule+0x440/0x4f4
    [   39.620137]  schedule+0x2c/0x48
    [   39.623341]  schedule_hrtimeout_range_clock+0xe0/0x114
    [   39.628562]  schedule_hrtimeout_range+0x10/0x18
    [   39.633169]  usleep_range_state+0x5c/0x90
    [   39.637253]  __mmc_poll_for_busy+0xec/0x128
    [   39.641514]  mmc_poll_for_busy+0x48/0x70
    [   39.645511]  mmc_do_erase+0x1ec/0x210
    [   39.649237]  mmc_erase+0x1b4/0x1d4
    [   39.652701]  mmc_blk_mq_issue_rq+0x35c/0x6ac
    [   39.657037]  mmc_mq_queue_rq+0x18c/0x214
    [   39.661022]  blk_mq_dispatch_rq_list+0x3a8/0x528
    [   39.665722]  __blk_mq_sched_dispatch_requests+0x3a0/0x4ac
    [   39.671198]  blk_mq_sched_dispatch_requests+0x28/0x5c
    [   39.676322]  blk_mq_run_hw_queue+0x11c/0x12c
    [   39.680668]  blk_mq_flush_plug_list+0x200/0x33c
    [   39.685278]  blk_add_rq_to_plug+0x68/0xd8
    [   39.689365]  blk_mq_submit_bio+0x3a4/0x458
    [   39.693539]  __submit_bio+0x1c/0x80
    [   39.697096]  submit_bio_noacct_nocheck+0x94/0x174
    [   39.701875]  submit_bio_noacct+0x1b0/0x22c
    [   39.706042]  submit_bio+0xac/0xe8
    [   39.709424]  blk_next_bio+0x4c/0x5c
    [   39.712973]  blkdev_issue_secure_erase+0x118/0x170
    [   39.717835]  blkdev_common_ioctl+0x374/0x728
    [   39.722175]  blkdev_ioctl+0x8c/0x2b0
    [   39.725816]  vfs_ioctl+0x24/0x40
    [   39.729117]  __arm64_sys_ioctl+0x5c/0x8c
    [   39.733114]  invoke_syscall+0x68/0xec
    [   39.736839]  el0_svc_common.constprop.0+0x70/0xd8
    [   39.741609]  do_el0_svc+0x18/0x20
    [   39.744981]  el0_svc+0x68/0x94
    [   39.748107]  el0t_64_sync_handler+0x88/0x124
    [   39.752455]  el0t_64_sync+0x168/0x16c

To fix the problem let's override the host_ops->card_busy() callback by
setting it to NULL, which forces the mmc core to poll with a CMD13 and
checking the R1_STATUS in the mmc_busy_cb() function.

Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Fixes: 0d84c3e6a5b2 ("mmc: core: Convert to mmc_poll_for_busy() for erase/trim/discard")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240603220834.21989-2-kamal.dasu@broadcom.com
[Ulf: Clarified the commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/mmc/host/sdhci-brcmstb.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -24,6 +24,7 @@
 #define BRCMSTB_MATCH_FLAGS_NO_64BIT		BIT(0)
 #define BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT	BIT(1)
 #define BRCMSTB_MATCH_FLAGS_HAS_CLOCK_GATE	BIT(2)
+#define BRCMSTB_MATCH_FLAGS_USE_CARD_BUSY	BIT(4)
 
 #define BRCMSTB_PRIV_FLAGS_HAS_CQE		BIT(0)
 #define BRCMSTB_PRIV_FLAGS_GATE_CLOCK		BIT(1)
@@ -384,6 +385,9 @@ static int sdhci_brcmstb_probe(struct pl
 	if (match_priv->flags & BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT)
 		host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
 
+	if (!(match_priv->flags & BRCMSTB_MATCH_FLAGS_USE_CARD_BUSY))
+		host->mmc_host_ops.card_busy = NULL;
+
 	/* Change the base clock frequency if the DT property exists */
 	if (device_property_read_u32(&pdev->dev, "clock-frequency",
 				     &priv->base_freq_hz) != 0)

[PATCH 6.9 123/222] mmc: sdhci-pci: Convert PCIBIOS_* return codes to errnos

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

commit ebc4fc34eae8ddfbef49f2bdaced1bf4167ef80d upstream.

jmicron_pmos() and sdhci_pci_probe() use pci_{read,write}_config_byte()
that return PCIBIOS_* codes. The return code is then returned as is by
jmicron_probe() and sdhci_pci_probe(). Similarly, the return code is
also returned as is from jmicron_resume(). Both probe and resume
functions should return normal errnos.

Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal
errno before returning them the fix these issues.

Fixes: 7582041ff3d4 ("mmc: sdhci-pci: fix simple_return.cocci warnings")
Fixes: 45211e215984 ("sdhci: toggle JMicron PMOS setting")
Cc: stable@vger.kernel.org
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240527132443.14038-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/mmc/host/sdhci-pci-core.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -1326,7 +1326,7 @@ static int jmicron_pmos(struct sdhci_pci
 
 	ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch);
 	if (ret)
-		return ret;
+		goto fail;
 
 	/*
 	 * Turn PMOS on [bit 0], set over current detection to 2.4 V
@@ -1337,7 +1337,10 @@ static int jmicron_pmos(struct sdhci_pci
 	else
 		scratch &= ~0x47;
 
-	return pci_write_config_byte(chip->pdev, 0xAE, scratch);
+	ret = pci_write_config_byte(chip->pdev, 0xAE, scratch);
+
+fail:
+	return pcibios_err_to_errno(ret);
 }
 
 static int jmicron_probe(struct sdhci_pci_chip *chip)
@@ -2202,7 +2205,7 @@ static int sdhci_pci_probe(struct pci_de
 
 	ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots);
 	if (ret)
-		return ret;
+		return pcibios_err_to_errno(ret);
 
 	slots = PCI_SLOT_INFO_SLOTS(slots) + 1;
 	dev_dbg(&pdev->dev, "found %d slot(s)\n", slots);
@@ -2211,7 +2214,7 @@ static int sdhci_pci_probe(struct pci_de
 
 	ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar);
 	if (ret)
-		return ret;
+		return pcibios_err_to_errno(ret);
 
 	first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK;
 

[PATCH 6.9 124/222] mmc: sdhci: Do not invert write-protect twice

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Adrian Hunter <adrian.hunter@intel.com>

commit fbd64f902b93fe9658b855b9892ae59ef6ea22b9 upstream.

mmc_of_parse() reads device property "wp-inverted" and sets
MMC_CAP2_RO_ACTIVE_HIGH if it is true. MMC_CAP2_RO_ACTIVE_HIGH is used
to invert a write-protect (AKA read-only) GPIO value.

sdhci_get_property() also reads "wp-inverted" and sets
SDHCI_QUIRK_INVERTED_WRITE_PROTECT which is used to invert the
write-protect value as well but also acts upon a value read out from the
SDHCI_PRESENT_STATE register.

Many drivers call both mmc_of_parse() and sdhci_get_property(),
so that both MMC_CAP2_RO_ACTIVE_HIGH and
SDHCI_QUIRK_INVERTED_WRITE_PROTECT will be set if the controller has
device property "wp-inverted".

Amend the logic in sdhci_check_ro() to allow for that possibility,
so that the write-protect value is not inverted twice.

Also do not invert the value if it is a negative error value. Note that
callers treat an error the same as not-write-protected, so the result is
functionally the same in that case.

Also do not invert the value if sdhci host operation ->get_ro() is used.
None of the users of that callback set SDHCI_QUIRK_INVERTED_WRITE_PROTECT
directly or indirectly, but two do call mmc_gpio_get_ro(), so leave it to
them to deal with that if they ever set SDHCI_QUIRK_INVERTED_WRITE_PROTECT
in the future.

Fixes: 6d5cd068ee59 ("mmc: sdhci: use WP GPIO in sdhci_check_ro()")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240614080051.4005-2-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/mmc/host/sdhci.c |   22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2515,26 +2515,34 @@ EXPORT_SYMBOL_GPL(sdhci_get_cd_nogpio);
 
 static int sdhci_check_ro(struct sdhci_host *host)
 {
+	bool allow_invert = false;
 	unsigned long flags;
 	int is_readonly;
 
 	spin_lock_irqsave(&host->lock, flags);
 
-	if (host->flags & SDHCI_DEVICE_DEAD)
+	if (host->flags & SDHCI_DEVICE_DEAD) {
 		is_readonly = 0;
-	else if (host->ops->get_ro)
+	} else if (host->ops->get_ro) {
 		is_readonly = host->ops->get_ro(host);
-	else if (mmc_can_gpio_ro(host->mmc))
+	} else if (mmc_can_gpio_ro(host->mmc)) {
 		is_readonly = mmc_gpio_get_ro(host->mmc);
-	else
+		/* Do not invert twice */
+		allow_invert = !(host->mmc->caps2 & MMC_CAP2_RO_ACTIVE_HIGH);
+	} else {
 		is_readonly = !(sdhci_readl(host, SDHCI_PRESENT_STATE)
 				& SDHCI_WRITE_PROTECT);
+		allow_invert = true;
+	}
 
 	spin_unlock_irqrestore(&host->lock, flags);
 
-	/* This quirk needs to be replaced by a callback-function later */
-	return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ?
-		!is_readonly : is_readonly;
+	if (is_readonly >= 0 &&
+	    allow_invert &&
+	    (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT))
+		is_readonly = !is_readonly;
+
+	return is_readonly;
 }
 
 #define SAMPLE_COUNT	5

[PATCH 6.9 125/222] mmc: sdhci: Do not lock spinlock around mmc_gpio_get_ro()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Adrian Hunter <adrian.hunter@intel.com>

commit ab069ce125965a5e282f7b53b86aee76ab32975c upstream.

sdhci_check_ro() can call mmc_gpio_get_ro() while holding the sdhci
host->lock spinlock. That would be a problem if the GPIO access done by
mmc_gpio_get_ro() needed to sleep.

However, host->lock is not needed anyway. The mmc core ensures that host
operations do not race with each other, and asynchronous callbacks like the
interrupt handler, software timeouts, completion work etc, cannot affect
sdhci_check_ro().

So remove the locking.

Fixes: 6d5cd068ee59 ("mmc: sdhci: use WP GPIO in sdhci_check_ro()")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240614080051.4005-3-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/mmc/host/sdhci.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2516,11 +2516,8 @@ EXPORT_SYMBOL_GPL(sdhci_get_cd_nogpio);
 static int sdhci_check_ro(struct sdhci_host *host)
 {
 	bool allow_invert = false;
-	unsigned long flags;
 	int is_readonly;
 
-	spin_lock_irqsave(&host->lock, flags);
-
 	if (host->flags & SDHCI_DEVICE_DEAD) {
 		is_readonly = 0;
 	} else if (host->ops->get_ro) {
@@ -2535,8 +2532,6 @@ static int sdhci_check_ro(struct sdhci_h
 		allow_invert = true;
 	}
 
-	spin_unlock_irqrestore(&host->lock, flags);
-
 	if (is_readonly >= 0 &&
 	    allow_invert &&
 	    (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT))

[PATCH 6.9 126/222] iio: xilinx-ams: Dont include ams_ctrl_channels in scan_mask

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sean Anderson <sean.anderson@linux.dev>

[ Upstream commit 89b898c627a49b978a4c323ea6856eacfc21f6ba ]

ams_enable_channel_sequence constructs a "scan_mask" for all the PS and
PL channels. This works out fine, since scan_index for these channels is
less than 64. However, it also includes the ams_ctrl_channels, where
scan_index is greater than 64, triggering undefined behavior. Since we
don't need these channels anyway, just exclude them.

Fixes: d5c70627a794 ("iio: adc: Add Xilinx AMS driver")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://lore.kernel.org/r/20240311162800.11074-1-sean.anderson@linux.dev
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/adc/xilinx-ams.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index f0b71a1220e02..f52abf759260f 100644
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -414,8 +414,12 @@ static void ams_enable_channel_sequence(struct iio_dev *indio_dev)
 
 	/* Run calibration of PS & PL as part of the sequence */
 	scan_mask = BIT(0) | BIT(AMS_PS_SEQ_MAX);
-	for (i = 0; i < indio_dev->num_channels; i++)
-		scan_mask |= BIT_ULL(indio_dev->channels[i].scan_index);
+	for (i = 0; i < indio_dev->num_channels; i++) {
+		const struct iio_chan_spec *chan = &indio_dev->channels[i];
+
+		if (chan->scan_index < AMS_CTRL_SEQ_BASE)
+			scan_mask |= BIT_ULL(chan->scan_index);
+	}
 
 	if (ams->ps_base) {
 		/* put sysmon in a soft reset to change the sequence */
-- 
2.43.0

[PATCH 6.9 127/222] SUNRPC: Fix backchannel reply, again

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chuck Lever <chuck.lever@oracle.com>

[ Upstream commit 6ddc9deacc1312762c2edd9de00ce76b00f69f7c ]

I still see "RPC: Could not send backchannel reply error: -110"
quite often, along with slow-running tests. Debugging shows that the
backchannel is still stumbling when it has to queue a callback reply
on a busy transport.

Note that every one of these timeouts causes a connection loss by
virtue of the xprt_conditional_disconnect() call in that arm of
call_cb_transmit_status().

I found that setting to_maxval is necessary to get the RPC timeout
logic to behave whenever to_exponential is not set.

Fixes: 57331a59ac0d ("NFSv4.1: Use the nfs_client's rpc timeouts for backchannel")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/sunrpc/svc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 2b4b1276d4e86..d9cda1e53a017 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1557,9 +1557,11 @@ void svc_process(struct svc_rqst *rqstp)
  */
 void svc_process_bc(struct rpc_rqst *req, struct svc_rqst *rqstp)
 {
+	struct rpc_timeout timeout = {
+		.to_increment		= 0,
+	};
 	struct rpc_task *task;
 	int proc_error;
-	struct rpc_timeout timeout;
 
 	/* Build the svc_rqst used by the common processing routine */
 	rqstp->rq_xid = req->rq_xid;
@@ -1612,6 +1614,7 @@ void svc_process_bc(struct rpc_rqst *req, struct svc_rqst *rqstp)
 		timeout.to_initval = req->rq_xprt->timeout->to_initval;
 		timeout.to_retries = req->rq_xprt->timeout->to_retries;
 	}
+	timeout.to_maxval = timeout.to_initval;
 	memcpy(&req->rq_snd_buf, &rqstp->rq_res, sizeof(req->rq_snd_buf));
 	task = rpc_run_bc_task(req, &timeout);
 
-- 
2.43.0

[PATCH 6.9 128/222] counter: ti-eqep: enable clock at probe

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Lechner <dlechner@baylibre.com>

[ Upstream commit 0cf81c73e4c6a4861128a8f27861176ec312af4e ]

The TI eQEP clock is both a functional and interface clock. Since it is
required for the device to function, we should be enabling it at probe.

Up to now, we've just been lucky that the clock was enabled by something
else on the system already.

Fixes: f213729f6796 ("counter: new TI eQEP driver")
Reviewed-by: Judith Mendez <jm@ti.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240621-ti-eqep-enable-clock-v2-1-edd3421b54d4@baylibre.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/counter/ti-eqep.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
index b0f24cf3e891d..4d3de4a35801f 100644
--- a/drivers/counter/ti-eqep.c
+++ b/drivers/counter/ti-eqep.c
@@ -6,6 +6,7 @@
  */
 
 #include <linux/bitops.h>
+#include <linux/clk.h>
 #include <linux/counter.h>
 #include <linux/kernel.h>
 #include <linux/mod_devicetable.h>
@@ -376,6 +377,7 @@ static int ti_eqep_probe(struct platform_device *pdev)
 	struct counter_device *counter;
 	struct ti_eqep_cnt *priv;
 	void __iomem *base;
+	struct clk *clk;
 	int err;
 
 	counter = devm_counter_alloc(dev, sizeof(*priv));
@@ -415,6 +417,10 @@ static int ti_eqep_probe(struct platform_device *pdev)
 	pm_runtime_enable(dev);
 	pm_runtime_get_sync(dev);
 
+	clk = devm_clk_get_enabled(dev, NULL);
+	if (IS_ERR(clk))
+		return dev_err_probe(dev, PTR_ERR(clk), "failed to enable clock\n");
+
 	err = counter_add(counter);
 	if (err < 0) {
 		pm_runtime_put_sync(dev);
-- 
2.43.0

[PATCH 6.9 129/222] kbuild: doc: Update default INSTALL_MOD_DIR from extra to updates

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark-PK Tsai <mark-pk.tsai@mediatek.com>

[ Upstream commit 07d4cc2e7444356faac6552d0688a1670cc9d749 ]

The default INSTALL_MOD_DIR was changed from 'extra' to
'updates' in commit b74d7bb7ca24 ("kbuild: Modify default
INSTALL_MOD_DIR from extra to updates").

This commit updates the documentation to align with the
latest kernel.

Fixes: b74d7bb7ca24 ("kbuild: Modify default INSTALL_MOD_DIR from extra to updates")
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 Documentation/kbuild/modules.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst
index a1f3eb7a43e23..131863142cbb3 100644
--- a/Documentation/kbuild/modules.rst
+++ b/Documentation/kbuild/modules.rst
@@ -128,7 +128,7 @@ executed to make module versioning work.
 
 	modules_install
 		Install the external module(s). The default location is
-		/lib/modules/<kernel_release>/extra/, but a prefix may
+		/lib/modules/<kernel_release>/updates/, but a prefix may
 		be added with INSTALL_MOD_PATH (discussed in section 5).
 
 	clean
@@ -417,7 +417,7 @@ directory:
 
 And external modules are installed in:
 
-	/lib/modules/$(KERNELRELEASE)/extra/
+	/lib/modules/$(KERNELRELEASE)/updates/
 
 5.1 INSTALL_MOD_PATH
 --------------------
@@ -438,10 +438,10 @@ And external modules are installed in:
 -------------------
 
 	External modules are by default installed to a directory under
-	/lib/modules/$(KERNELRELEASE)/extra/, but you may wish to
+	/lib/modules/$(KERNELRELEASE)/updates/, but you may wish to
 	locate modules for a specific functionality in a separate
 	directory. For this purpose, use INSTALL_MOD_DIR to specify an
-	alternative name to "extra."::
+	alternative name to "updates."::
 
 		$ make INSTALL_MOD_DIR=gandalf -C $KDIR \
 		       M=$PWD modules_install
-- 
2.43.0

[PATCH 6.9 130/222] kbuild: Fix build target deb-pkg: ln: failed to create hard link

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thayne Harbaugh <thayne@mastodonlabs.com>

[ Upstream commit c61566538968ffb040acc411246fd7ad38c7e8c9 ]

The make deb-pkg target calls debian-orig which attempts to either
hard link the source .tar to the build-output location or copy the
source .tar to the build-output location.  The test to determine
whether to ln or cp is incorrectly expanded by Make and consequently
always attempts to ln the source .tar.  This fix corrects the escaping
of '$' so that the test is expanded by the shell rather than by Make
and appropriately selects between ln and cp.

Fixes: b44aa8c96e9e ("kbuild: deb-pkg: make .orig tarball a hard link if possible")
Signed-off-by: Thayne Harbaugh <thayne@mastodonlabs.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/Makefile.package | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index 38653f3e81088..bf016af8bf8ad 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -103,7 +103,7 @@ debian-orig: private version = $(shell dpkg-parsechangelog -S Version | sed 's/-
 debian-orig: private orig-name = $(source)_$(version).orig.tar$(debian-orig-suffix)
 debian-orig: mkdebian-opts = --need-source
 debian-orig: linux.tar$(debian-orig-suffix) debian
-	$(Q)if [ "$(df  --output=target .. 2>/dev/null)" = "$(df --output=target $< 2>/dev/null)" ]; then \
+	$(Q)if [ "$$(df  --output=target .. 2>/dev/null)" = "$$(df --output=target $< 2>/dev/null)" ]; then \
 		ln -f $< ../$(orig-name); \
 	else \
 		cp $< ../$(orig-name); \
-- 
2.43.0

[PATCH 6.9 131/222] kbuild: rpm-pkg: fix build error with CONFIG_MODULES=n

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Masahiro Yamada <masahiroy@kernel.org>

[ Upstream commit 8d1001f7bdd0553a796998f4fff07ee13e1c1cad ]

When CONFIG_MODULES is disabled, 'make (bin)rpm-pkg' fails:

  $ make allnoconfig binrpm-pkg
    [ snip ]
  error: File not found: .../linux/rpmbuild/BUILDROOT/kernel-6.10.0_rc3-1.i386/lib/modules/6.10.0-rc3/kernel
  error: File not found: .../linux/rpmbuild/BUILDROOT/kernel-6.10.0_rc3-1.i386/lib/modules/6.10.0-rc3/modules.order

To make it work irrespective of CONFIG_MODULES, this commit specifies
the directory path, /lib/modules/%{KERNELRELEASE}, instead of individual
files.

However, doing so would cause new warnings:

  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.alias
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.alias.bin
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.builtin.alias.bin
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.builtin.bin
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.dep
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.dep.bin
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.devname
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.softdep
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.symbols
  warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.symbols.bin

These files exist in /lib/modules/%{KERNELRELEASE} and are also explicitly
marked as %ghost.

Suppress depmod because depmod-generated files are not packaged.

Fixes: 615b3a3d2d41 ("kbuild: rpm-pkg: do not include depmod-generated files")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/package/kernel.spec | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
index e095eb1e290ec..fffc8af8deb17 100644
--- a/scripts/package/kernel.spec
+++ b/scripts/package/kernel.spec
@@ -57,7 +57,8 @@ patch -p1 < %{SOURCE2}
 %install
 mkdir -p %{buildroot}/lib/modules/%{KERNELRELEASE}
 cp $(%{make} %{makeflags} -s image_name) %{buildroot}/lib/modules/%{KERNELRELEASE}/vmlinuz
-%{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} modules_install
+# DEPMOD=true makes depmod no-op. We do not package depmod-generated files.
+%{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} DEPMOD=true modules_install
 %{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
 cp System.map %{buildroot}/lib/modules/%{KERNELRELEASE}
 cp .config %{buildroot}/lib/modules/%{KERNELRELEASE}/config
@@ -70,10 +71,7 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA
 %endif
 
 {
-	for x in System.map config kernel modules.builtin \
-			modules.builtin.modinfo modules.order vmlinuz; do
-		echo "/lib/modules/%{KERNELRELEASE}/${x}"
-	done
+	echo "/lib/modules/%{KERNELRELEASE}"
 
 	for x in alias alias.bin builtin.alias.bin builtin.bin dep dep.bin \
 					devname softdep symbols symbols.bin; do
-- 
2.43.0

[PATCH 6.9 132/222] i2c: testunit: dont erase registers after STOP

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wolfram Sang <wsa+renesas@sang-engineering.com>

[ Upstream commit c422b6a630240f706063e0ecbb894aa8491b1fa1 ]

STOP fallsthrough to WRITE_REQUESTED but this became problematic when
clearing the testunit registers was added to the latter. Actually, there
is no reason to clear the testunit state after STOP. Doing it when a new
WRITE_REQUESTED arrives is enough. So, no need to fallthrough, at all.

Fixes: b39ab96aa894 ("i2c: testunit: add support for block process calls")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/i2c-slave-testunit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c
index a49642bbae4b7..a5dcbc3c2c141 100644
--- a/drivers/i2c/i2c-slave-testunit.c
+++ b/drivers/i2c/i2c-slave-testunit.c
@@ -118,7 +118,7 @@ static int i2c_slave_testunit_slave_cb(struct i2c_client *client,
 			queue_delayed_work(system_long_wq, &tu->worker,
 					   msecs_to_jiffies(10 * tu->regs[TU_REG_DELAY]));
 		}
-		fallthrough;
+		break;
 
 	case I2C_SLAVE_WRITE_REQUESTED:
 		memset(tu->regs, 0, TU_NUM_REGS);
-- 
2.43.0

[PATCH 6.9 133/222] i2c: testunit: discard write requests while old command is running

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wolfram Sang <wsa+renesas@sang-engineering.com>

[ Upstream commit c116deafd1a5cc1e9739099eb32114e90623209c ]

When clearing registers on new write requests was added, the protection
for currently running commands was missed leading to concurrent access
to the testunit registers. Check the flag beforehand.

Fixes: b39ab96aa894 ("i2c: testunit: add support for block process calls")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/i2c-slave-testunit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c
index a5dcbc3c2c141..ca43e98cae1b2 100644
--- a/drivers/i2c/i2c-slave-testunit.c
+++ b/drivers/i2c/i2c-slave-testunit.c
@@ -121,6 +121,9 @@ static int i2c_slave_testunit_slave_cb(struct i2c_client *client,
 		break;
 
 	case I2C_SLAVE_WRITE_REQUESTED:
+		if (test_bit(TU_FLAG_IN_PROCESS, &tu->flags))
+			return -EBUSY;
+
 		memset(tu->regs, 0, TU_NUM_REGS);
 		tu->reg_idx = 0;
 		break;
-- 
2.43.0

[PATCH 6.9 134/222] ata: libata-core: Fix null pointer dereference on error

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Niklas Cassel <cassel@kernel.org>

[ Upstream commit 5d92c7c566dc76d96e0e19e481d926bbe6631c1e ]

If the ata_port_alloc() call in ata_host_alloc() fails,
ata_host_release() will get called.

However, the code in ata_host_release() tries to free ata_port struct
members unconditionally, which can lead to the following:

BUG: unable to handle page fault for address: 0000000000003990
PGD 0 P4D 0
Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 10 PID: 594 Comm: (udev-worker) Not tainted 6.10.0-rc5 #44
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014
RIP: 0010:ata_host_release.cold+0x2f/0x6e [libata]
Code: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41
RSP: 0018:ffffc90000ebb968 EFLAGS: 00010246
RAX: 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0
RBP: ffff88810fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68
R10: ffffc90000ebb738 R11: 73692033203a746e R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000011 R15: 0000000000000006
FS:  00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000003990 CR3: 00000001122a2000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
 <TASK>
 ? __die_body.cold+0x19/0x27
 ? page_fault_oops+0x15a/0x2f0
 ? exc_page_fault+0x7e/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? ata_host_release.cold+0x2f/0x6e [libata]
 ? ata_host_release.cold+0x2f/0x6e [libata]
 release_nodes+0x35/0xb0
 devres_release_group+0x113/0x140
 ata_host_alloc+0xed/0x120 [libata]
 ata_host_alloc_pinfo+0x14/0xa0 [libata]
 ahci_init_one+0x6c9/0xd20 [ahci]

Do not access ata_port struct members unconditionally.

Fixes: 633273a3ed1c ("libata-pmp: hook PMP support and enable it")
Cc: stable@vger.kernel.org
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240629124210.181537-7-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Stable-dep-of: f6549f538fe0 ("ata,scsi: libata-core: Do not leak memory for ata_port struct members")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/ata/libata-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 28caed151e05f..2cf597edc013b 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5562,6 +5562,9 @@ static void ata_host_release(struct kref *kref)
 	for (i = 0; i < host->n_ports; i++) {
 		struct ata_port *ap = host->ports[i];
 
+		if (!ap)
+			continue;
+
 		kfree(ap->pmp_link);
 		kfree(ap->slave_link);
 		kfree(ap->ncq_sense_buf);
-- 
2.43.0

[PATCH 6.9 135/222] ata,scsi: libata-core: Do not leak memory for ata_port struct members

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Niklas Cassel <cassel@kernel.org>

[ Upstream commit f6549f538fe0b2c389e1a7037f4e21039e25137a ]

libsas is currently not freeing all the struct ata_port struct members,
e.g. ncq_sense_buf for a driver supporting Command Duration Limits (CDL).

Add a function, ata_port_free(), that is used to free a ata_port,
including its struct members. It makes sense to keep the code related to
freeing a ata_port in its own function, which will also free all the
struct members of struct ata_port.

Fixes: 18bd7718b5c4 ("scsi: ata: libata: Handle completion of CDL commands using policy 0xD")
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240629124210.181537-8-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/ata/libata-core.c          | 24 ++++++++++++++----------
 drivers/scsi/libsas/sas_ata.c      |  6 +++---
 drivers/scsi/libsas/sas_discover.c |  2 +-
 include/linux/libata.h             |  1 +
 4 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2cf597edc013b..62237df4fe77e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5534,6 +5534,18 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
 	return ap;
 }
 
+void ata_port_free(struct ata_port *ap)
+{
+	if (!ap)
+		return;
+
+	kfree(ap->pmp_link);
+	kfree(ap->slave_link);
+	kfree(ap->ncq_sense_buf);
+	kfree(ap);
+}
+EXPORT_SYMBOL_GPL(ata_port_free);
+
 static void ata_devres_release(struct device *gendev, void *res)
 {
 	struct ata_host *host = dev_get_drvdata(gendev);
@@ -5560,15 +5572,7 @@ static void ata_host_release(struct kref *kref)
 	int i;
 
 	for (i = 0; i < host->n_ports; i++) {
-		struct ata_port *ap = host->ports[i];
-
-		if (!ap)
-			continue;
-
-		kfree(ap->pmp_link);
-		kfree(ap->slave_link);
-		kfree(ap->ncq_sense_buf);
-		kfree(ap);
+		ata_port_free(host->ports[i]);
 		host->ports[i] = NULL;
 	}
 	kfree(host);
@@ -5951,7 +5955,7 @@ int ata_host_register(struct ata_host *host, const struct scsi_host_template *sh
 	 * allocation time.
 	 */
 	for (i = host->n_ports; host->ports[i]; i++)
-		kfree(host->ports[i]);
+		ata_port_free(host->ports[i]);
 
 	/* give ports names and add SCSI hosts */
 	for (i = 0; i < host->n_ports; i++) {
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 12e2653846e3f..70891a1e98a01 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -610,15 +610,15 @@ int sas_ata_init(struct domain_device *found_dev)
 
 	rc = ata_sas_tport_add(ata_host->dev, ap);
 	if (rc)
-		goto destroy_port;
+		goto free_port;
 
 	found_dev->sata_dev.ata_host = ata_host;
 	found_dev->sata_dev.ap = ap;
 
 	return 0;
 
-destroy_port:
-	kfree(ap);
+free_port:
+	ata_port_free(ap);
 free_host:
 	ata_host_put(ata_host);
 	return rc;
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 8fb7c41c09624..48d975c6dbf2c 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -301,7 +301,7 @@ void sas_free_device(struct kref *kref)
 
 	if (dev_is_sata(dev) && dev->sata_dev.ap) {
 		ata_sas_tport_delete(dev->sata_dev.ap);
-		kfree(dev->sata_dev.ap);
+		ata_port_free(dev->sata_dev.ap);
 		ata_host_put(dev->sata_dev.ata_host);
 		dev->sata_dev.ata_host = NULL;
 		dev->sata_dev.ap = NULL;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 324d792e7c786..186a6cbbbfbc6 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1242,6 +1242,7 @@ extern int ata_slave_link_init(struct ata_port *ap);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
 					   struct ata_port_info *, struct Scsi_Host *);
 extern void ata_port_probe(struct ata_port *ap);
+extern void ata_port_free(struct ata_port *ap);
 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
 extern void ata_sas_tport_delete(struct ata_port *ap);
 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
-- 
2.43.0

[PATCH 6.9 136/222] iio: humidity: hdc3020: fix hysteresis representation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dimitri Fedrau <dima.fedrau@gmail.com>

commit 9547d6a4c65e975e40e203900322342ef7379c52 upstream.

According to the ABI docs hysteresis values are represented as offsets to
threshold values. Current implementation represents hysteresis values as
absolute values which is wrong. Nevertheless the device stores them as
absolute values and the datasheet refers to them as clear thresholds. Fix
the reading and writing of hysteresis values by including thresholds into
calculations. Hysteresis values that result in threshold clear values
that are out of limits will be truncated.

To check that the threshold clear values are correct, registers are read
out using i2ctransfer and the corresponding temperature and relative
humidity thresholds are calculated using the formulas in the datasheet.

Fixes: 3ad0e7e5f0cb ("iio: humidity: hdc3020: add threshold events support")
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240605192136.38146-1-dima.fedrau@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/humidity/hdc3020.c |  325 +++++++++++++++++++++++++++++++----------
 1 file changed, 249 insertions(+), 76 deletions(-)

--- a/drivers/iio/humidity/hdc3020.c
+++ b/drivers/iio/humidity/hdc3020.c
@@ -18,6 +18,7 @@
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/math64.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/units.h>
@@ -63,8 +64,10 @@
 
 #define HDC3020_CRC8_POLYNOMIAL		0x31
 
-#define HDC3020_MIN_TEMP		-40
-#define HDC3020_MAX_TEMP		125
+#define HDC3020_MIN_TEMP_MICRO		-39872968
+#define HDC3020_MAX_TEMP_MICRO		124875639
+#define HDC3020_MAX_TEMP_HYST_MICRO	164748607
+#define HDC3020_MAX_HUM_MICRO		99220264
 
 struct hdc3020_data {
 	struct i2c_client *client;
@@ -363,6 +366,105 @@ static int hdc3020_write_raw(struct iio_
 	return -EINVAL;
 }
 
+static int hdc3020_thresh_get_temp(u16 thresh)
+{
+	int temp;
+
+	/*
+	 * Get the temperature threshold from 9 LSBs, shift them to get
+	 * the truncated temperature threshold representation and
+	 * calculate the threshold according to the formula in the
+	 * datasheet. Result is degree celsius scaled by 65535.
+	 */
+	temp = FIELD_GET(HDC3020_THRESH_TEMP_MASK, thresh) <<
+	       HDC3020_THRESH_TEMP_TRUNC_SHIFT;
+
+	return -2949075 + (175 * temp);
+}
+
+static int hdc3020_thresh_get_hum(u16 thresh)
+{
+	int hum;
+
+	/*
+	 * Get the humidity threshold from 7 MSBs, shift them to get the
+	 * truncated humidity threshold representation and calculate the
+	 * threshold according to the formula in the datasheet. Result is
+	 * percent scaled by 65535.
+	 */
+	hum = FIELD_GET(HDC3020_THRESH_HUM_MASK, thresh) <<
+	      HDC3020_THRESH_HUM_TRUNC_SHIFT;
+
+	return hum * 100;
+}
+
+static u16 hdc3020_thresh_set_temp(int s_temp, u16 curr_thresh)
+{
+	u64 temp;
+	u16 thresh;
+
+	/*
+	 * Calculate temperature threshold, shift it down to get the
+	 * truncated threshold representation in the 9LSBs while keeping
+	 * the current humidity threshold in the 7 MSBs.
+	 */
+	temp = (u64)(s_temp + 45000000) * 65535ULL;
+	temp = div_u64(temp, 1000000 * 175) >> HDC3020_THRESH_TEMP_TRUNC_SHIFT;
+	thresh = FIELD_PREP(HDC3020_THRESH_TEMP_MASK, temp);
+	thresh |= (FIELD_GET(HDC3020_THRESH_HUM_MASK, curr_thresh) <<
+		  HDC3020_THRESH_HUM_TRUNC_SHIFT);
+
+	return thresh;
+}
+
+static u16 hdc3020_thresh_set_hum(int s_hum, u16 curr_thresh)
+{
+	u64 hum;
+	u16 thresh;
+
+	/*
+	 * Calculate humidity threshold, shift it down and up to get the
+	 * truncated threshold representation in the 7MSBs while keeping
+	 * the current temperature threshold in the 9 LSBs.
+	 */
+	hum = (u64)(s_hum) * 65535ULL;
+	hum = div_u64(hum, 1000000 * 100) >> HDC3020_THRESH_HUM_TRUNC_SHIFT;
+	thresh = FIELD_PREP(HDC3020_THRESH_HUM_MASK, hum);
+	thresh |= FIELD_GET(HDC3020_THRESH_TEMP_MASK, curr_thresh);
+
+	return thresh;
+}
+
+static
+int hdc3020_thresh_clr(s64 s_thresh, s64 s_hyst, enum iio_event_direction dir)
+{
+	s64 s_clr;
+
+	/*
+	 * Include directions when calculation the clear value,
+	 * since hysteresis is unsigned by definition and the
+	 * clear value is an absolute value which is signed.
+	 */
+	if (dir == IIO_EV_DIR_RISING)
+		s_clr = s_thresh - s_hyst;
+	else
+		s_clr = s_thresh + s_hyst;
+
+	/* Divide by 65535 to get units of micro */
+	return div_s64(s_clr, 65535);
+}
+
+static int _hdc3020_write_thresh(struct hdc3020_data *data, u16 reg, u16 val)
+{
+	u8 buf[5];
+
+	put_unaligned_be16(reg, buf);
+	put_unaligned_be16(val, buf + 2);
+	buf[4] = crc8(hdc3020_crc8_table, buf + 2, 2, CRC8_INIT_VALUE);
+
+	return hdc3020_write_bytes(data, buf, 5);
+}
+
 static int hdc3020_write_thresh(struct iio_dev *indio_dev,
 				const struct iio_chan_spec *chan,
 				enum iio_event_type type,
@@ -371,67 +473,126 @@ static int hdc3020_write_thresh(struct i
 				int val, int val2)
 {
 	struct hdc3020_data *data = iio_priv(indio_dev);
-	u8 buf[5];
-	u64 tmp;
-	u16 reg;
-	int ret;
-
-	/* Supported temperature range is from –40 to 125 degree celsius */
-	if (val < HDC3020_MIN_TEMP || val > HDC3020_MAX_TEMP)
-		return -EINVAL;
-
-	/* Select threshold register */
-	if (info == IIO_EV_INFO_VALUE) {
-		if (dir == IIO_EV_DIR_RISING)
-			reg = HDC3020_S_T_RH_THRESH_HIGH;
-		else
-			reg = HDC3020_S_T_RH_THRESH_LOW;
+	u16 reg, reg_val, reg_thresh_rd, reg_clr_rd, reg_thresh_wr, reg_clr_wr;
+	s64 s_thresh, s_hyst, s_clr;
+	int s_val, thresh, clr, ret;
+
+	/* Select threshold registers */
+	if (dir == IIO_EV_DIR_RISING) {
+		reg_thresh_rd = HDC3020_R_T_RH_THRESH_HIGH;
+		reg_thresh_wr = HDC3020_S_T_RH_THRESH_HIGH;
+		reg_clr_rd = HDC3020_R_T_RH_THRESH_HIGH_CLR;
+		reg_clr_wr = HDC3020_S_T_RH_THRESH_HIGH_CLR;
 	} else {
-		if (dir == IIO_EV_DIR_RISING)
-			reg = HDC3020_S_T_RH_THRESH_HIGH_CLR;
-		else
-			reg = HDC3020_S_T_RH_THRESH_LOW_CLR;
+		reg_thresh_rd = HDC3020_R_T_RH_THRESH_LOW;
+		reg_thresh_wr = HDC3020_S_T_RH_THRESH_LOW;
+		reg_clr_rd = HDC3020_R_T_RH_THRESH_LOW_CLR;
+		reg_clr_wr = HDC3020_S_T_RH_THRESH_LOW_CLR;
 	}
 
 	guard(mutex)(&data->lock);
-	ret = hdc3020_read_be16(data, reg);
+	ret = hdc3020_read_be16(data, reg_thresh_rd);
 	if (ret < 0)
 		return ret;
 
+	thresh = ret;
+	ret = hdc3020_read_be16(data, reg_clr_rd);
+	if (ret < 0)
+		return ret;
+
+	clr = ret;
+	/* Scale value to include decimal part into calculations */
+	s_val = (val < 0) ? (val * 1000000 - val2) : (val * 1000000 + val2);
 	switch (chan->type) {
 	case IIO_TEMP:
-		/*
-		 * Calculate temperature threshold, shift it down to get the
-		 * truncated threshold representation in the 9LSBs while keeping
-		 * the current humidity threshold in the 7 MSBs.
-		 */
-		tmp = ((u64)(((val + 45) * MICRO) + val2)) * 65535ULL;
-		tmp = div_u64(tmp, MICRO * 175);
-		val = tmp >> HDC3020_THRESH_TEMP_TRUNC_SHIFT;
-		val = FIELD_PREP(HDC3020_THRESH_TEMP_MASK, val);
-		val |= (FIELD_GET(HDC3020_THRESH_HUM_MASK, ret) <<
-			HDC3020_THRESH_HUM_TRUNC_SHIFT);
+		switch (info) {
+		case IIO_EV_INFO_VALUE:
+			s_val = max(s_val, HDC3020_MIN_TEMP_MICRO);
+			s_val = min(s_val, HDC3020_MAX_TEMP_MICRO);
+			reg = reg_thresh_wr;
+			reg_val = hdc3020_thresh_set_temp(s_val, thresh);
+			ret = _hdc3020_write_thresh(data, reg, reg_val);
+			if (ret < 0)
+				return ret;
+
+			/* Calculate old hysteresis */
+			s_thresh = (s64)hdc3020_thresh_get_temp(thresh) * 1000000;
+			s_clr = (s64)hdc3020_thresh_get_temp(clr) * 1000000;
+			s_hyst = div_s64(abs(s_thresh - s_clr), 65535);
+			/* Set new threshold */
+			thresh = reg_val;
+			/* Set old hysteresis */
+			s_val = s_hyst;
+			fallthrough;
+		case IIO_EV_INFO_HYSTERESIS:
+			/*
+			 * Function hdc3020_thresh_get_temp returns temperature
+			 * in degree celsius scaled by 65535. Scale by 1000000
+			 * to be able to subtract scaled hysteresis value.
+			 */
+			s_thresh = (s64)hdc3020_thresh_get_temp(thresh) * 1000000;
+			/*
+			 * Units of s_val are in micro degree celsius, scale by
+			 * 65535 to get same units as s_thresh.
+			 */
+			s_val = min(abs(s_val), HDC3020_MAX_TEMP_HYST_MICRO);
+			s_hyst = (s64)s_val * 65535;
+			s_clr = hdc3020_thresh_clr(s_thresh, s_hyst, dir);
+			s_clr = max(s_clr, HDC3020_MIN_TEMP_MICRO);
+			s_clr = min(s_clr, HDC3020_MAX_TEMP_MICRO);
+			reg = reg_clr_wr;
+			reg_val = hdc3020_thresh_set_temp(s_clr, clr);
+			break;
+		default:
+			return -EOPNOTSUPP;
+		}
 		break;
 	case IIO_HUMIDITYRELATIVE:
-		/*
-		 * Calculate humidity threshold, shift it down and up to get the
-		 * truncated threshold representation in the 7MSBs while keeping
-		 * the current temperature threshold in the 9 LSBs.
-		 */
-		tmp = ((u64)((val * MICRO) + val2)) * 65535ULL;
-		tmp = div_u64(tmp, MICRO * 100);
-		val = tmp >> HDC3020_THRESH_HUM_TRUNC_SHIFT;
-		val = FIELD_PREP(HDC3020_THRESH_HUM_MASK, val);
-		val |= FIELD_GET(HDC3020_THRESH_TEMP_MASK, ret);
+		s_val = (s_val < 0) ? 0 : min(s_val, HDC3020_MAX_HUM_MICRO);
+		switch (info) {
+		case IIO_EV_INFO_VALUE:
+			reg = reg_thresh_wr;
+			reg_val = hdc3020_thresh_set_hum(s_val, thresh);
+			ret = _hdc3020_write_thresh(data, reg, reg_val);
+			if (ret < 0)
+				return ret;
+
+			/* Calculate old hysteresis */
+			s_thresh = (s64)hdc3020_thresh_get_hum(thresh) * 1000000;
+			s_clr = (s64)hdc3020_thresh_get_hum(clr) * 1000000;
+			s_hyst = div_s64(abs(s_thresh - s_clr), 65535);
+			/* Set new threshold */
+			thresh = reg_val;
+			/* Try to set old hysteresis */
+			s_val = min(abs(s_hyst), HDC3020_MAX_HUM_MICRO);
+			fallthrough;
+		case IIO_EV_INFO_HYSTERESIS:
+			/*
+			 * Function hdc3020_thresh_get_hum returns relative
+			 * humidity in percent scaled by 65535. Scale by 1000000
+			 * to be able to subtract scaled hysteresis value.
+			 */
+			s_thresh = (s64)hdc3020_thresh_get_hum(thresh) * 1000000;
+			/*
+			 * Units of s_val are in micro percent, scale by 65535
+			 * to get same units as s_thresh.
+			 */
+			s_hyst = (s64)s_val * 65535;
+			s_clr = hdc3020_thresh_clr(s_thresh, s_hyst, dir);
+			s_clr = max(s_clr, 0);
+			s_clr = min(s_clr, HDC3020_MAX_HUM_MICRO);
+			reg = reg_clr_wr;
+			reg_val = hdc3020_thresh_set_hum(s_clr, clr);
+			break;
+		default:
+			return -EOPNOTSUPP;
+		}
 		break;
 	default:
 		return -EOPNOTSUPP;
 	}
 
-	put_unaligned_be16(reg, buf);
-	put_unaligned_be16(val, buf + 2);
-	buf[4] = crc8(hdc3020_crc8_table, buf + 2, 2, CRC8_INIT_VALUE);
-	return hdc3020_write_bytes(data, buf, 5);
+	return _hdc3020_write_thresh(data, reg, reg_val);
 }
 
 static int hdc3020_read_thresh(struct iio_dev *indio_dev,
@@ -442,48 +603,60 @@ static int hdc3020_read_thresh(struct ii
 			       int *val, int *val2)
 {
 	struct hdc3020_data *data = iio_priv(indio_dev);
-	u16 reg;
-	int ret;
+	u16 reg_thresh, reg_clr;
+	int thresh, clr, ret;
 
-	/* Select threshold register */
-	if (info == IIO_EV_INFO_VALUE) {
-		if (dir == IIO_EV_DIR_RISING)
-			reg = HDC3020_R_T_RH_THRESH_HIGH;
-		else
-			reg = HDC3020_R_T_RH_THRESH_LOW;
+	/* Select threshold registers */
+	if (dir == IIO_EV_DIR_RISING) {
+		reg_thresh = HDC3020_R_T_RH_THRESH_HIGH;
+		reg_clr = HDC3020_R_T_RH_THRESH_HIGH_CLR;
 	} else {
-		if (dir == IIO_EV_DIR_RISING)
-			reg = HDC3020_R_T_RH_THRESH_HIGH_CLR;
-		else
-			reg = HDC3020_R_T_RH_THRESH_LOW_CLR;
+		reg_thresh = HDC3020_R_T_RH_THRESH_LOW;
+		reg_clr = HDC3020_R_T_RH_THRESH_LOW_CLR;
 	}
 
 	guard(mutex)(&data->lock);
-	ret = hdc3020_read_be16(data, reg);
+	ret = hdc3020_read_be16(data, reg_thresh);
 	if (ret < 0)
 		return ret;
 
 	switch (chan->type) {
 	case IIO_TEMP:
-		/*
-		 * Get the temperature threshold from 9 LSBs, shift them to get
-		 * the truncated temperature threshold representation and
-		 * calculate the threshold according to the formula in the
-		 * datasheet.
-		 */
-		*val = FIELD_GET(HDC3020_THRESH_TEMP_MASK, ret);
-		*val = *val << HDC3020_THRESH_TEMP_TRUNC_SHIFT;
-		*val = -2949075 + (175 * (*val));
+		thresh = hdc3020_thresh_get_temp(ret);
+		switch (info) {
+		case IIO_EV_INFO_VALUE:
+			*val = thresh;
+			break;
+		case IIO_EV_INFO_HYSTERESIS:
+			ret = hdc3020_read_be16(data, reg_clr);
+			if (ret < 0)
+				return ret;
+
+			clr = hdc3020_thresh_get_temp(ret);
+			*val = abs(thresh - clr);
+			break;
+		default:
+			return -EOPNOTSUPP;
+		}
 		*val2 = 65535;
 		return IIO_VAL_FRACTIONAL;
 	case IIO_HUMIDITYRELATIVE:
-		/*
-		 * Get the humidity threshold from 7 MSBs, shift them to get the
-		 * truncated humidity threshold representation and calculate the
-		 * threshold according to the formula in the datasheet.
-		 */
-		*val = FIELD_GET(HDC3020_THRESH_HUM_MASK, ret);
-		*val = (*val << HDC3020_THRESH_HUM_TRUNC_SHIFT) * 100;
+		thresh = hdc3020_thresh_get_hum(ret);
+		switch (info) {
+		case IIO_EV_INFO_VALUE:
+			*val = thresh;
+			break;
+		case IIO_EV_INFO_HYSTERESIS:
+			ret = hdc3020_read_be16(data, reg_clr);
+			if (ret < 0)
+				return ret;
+
+			clr = hdc3020_thresh_get_hum(ret);
+			*val = abs(thresh - clr);
+			break;
+		default:
+			return -EOPNOTSUPP;
+		}
 		*val2 = 65535;
 		return IIO_VAL_FRACTIONAL;
 	default:

[PATCH 6.9 137/222] iio: adc: ad7266: Fix variable checking bug

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Fernando Yang <hagisf@usp.br>

commit a2b86132955268b2a1703082fbc2d4832fc001b8 upstream.

The ret variable was not checked after iio_device_release_direct_mode(),
which could possibly cause errors

Fixes: c70df20e3159 ("iio: adc: ad7266: claim direct mode during sensor read")
Signed-off-by: Fernando Yang <hagisf@usp.br>
Link: https://lore.kernel.org/r/20240603180757.8560-1-hagisf@usp.br
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/adc/ad7266.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -157,6 +157,8 @@ static int ad7266_read_raw(struct iio_de
 		ret = ad7266_read_single(st, val, chan->address);
 		iio_device_release_direct_mode(indio_dev);
 
+		if (ret < 0)
+			return ret;
 		*val = (*val >> 2) & 0xfff;
 		if (chan->scan_type.sign == 's')
 			*val = sign_extend32(*val,

[PATCH 6.9 138/222] iio: accel: fxls8962af: select IIO_BUFFER & IIO_KFIFO_BUF

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexander Sverdlin <alexander.sverdlin@siemens.com>

commit a821d7111e3f7c8869961b606714a299bfe20014 upstream.

Provide missing symbols to the module:
ERROR: modpost: iio_push_to_buffers [drivers/iio/accel/fxls8962af-core.ko] undefined!
ERROR: modpost: devm_iio_kfifo_buffer_setup_ext [drivers/iio/accel/fxls8962af-core.ko] undefined!

Cc: stable@vger.kernel.org
Fixes: 79e3a5bdd9ef ("iio: accel: fxls8962af: add hw buffered sampling")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20240605203810.2908980-2-alexander.sverdlin@siemens.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/accel/Kconfig |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -330,6 +330,8 @@ config DMARD10
 config FXLS8962AF
 	tristate
 	depends on I2C || !I2C # cannot be built-in for modular I2C
+	select IIO_BUFFER
+	select IIO_KFIFO_BUF
 
 config FXLS8962AF_I2C
 	tristate "NXP FXLS8962AF/FXLS8964AF Accelerometer I2C Driver"

[PATCH 6.9 139/222] iio: chemical: bme680: Fix pressure value output

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasileios Amoiridis <vassilisamir@gmail.com>

commit ae1f7b93b52095be6776d0f34957b4f35dda44d9 upstream.

The IIO standard units are measured in kPa while the driver
is using hPa.

Apart from checking the userspace value itself, it is mentioned also
in the Bosch API [1] that the pressure value is in Pascal.

[1]: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x_defs.h#L742

Fixes: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240606212313.207550-2-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/chemical/bme680_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -678,7 +678,7 @@ static int bme680_read_press(struct bme6
 	}
 
 	*val = bme680_compensate_press(data, adc_press);
-	*val2 = 100;
+	*val2 = 1000;
 	return IIO_VAL_FRACTIONAL;
 }
 

[PATCH 6.9 140/222] iio: chemical: bme680: Fix calibration data variable

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasileios Amoiridis <vassilisamir@gmail.com>

commit b47c0fee73a810c4503c4a94ea34858a1d865bba upstream.

According to the BME68x Sensor API [1], the h6 calibration
data variable should be an unsigned integer of size 8.

[1]: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x_defs.h#L789

Fixes: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240606212313.207550-3-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/chemical/bme680_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -38,7 +38,7 @@ struct bme680_calib {
 	s8  par_h3;
 	s8  par_h4;
 	s8  par_h5;
-	s8  par_h6;
+	u8  par_h6;
 	s8  par_h7;
 	s8  par_gh1;
 	s16 par_gh2;

[PATCH 6.9 141/222] iio: chemical: bme680: Fix overflows in compensate() functions

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasileios Amoiridis <vassilisamir@gmail.com>

commit fdd478c3ae98c3f13628e110dce9b6cfb0d9b3c8 upstream.

There are cases in the compensate functions of the driver that
there could be overflows of variables due to bit shifting ops.
These implications were initially discussed here [1] and they
were mentioned in log message of Commit 1b3bd8592780 ("iio:
chemical: Add support for Bosch BME680 sensor").

[1]: https://lore.kernel.org/linux-iio/20180728114028.3c1bbe81@archlinux/

Fixes: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240606212313.207550-4-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/chemical/bme680_core.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -342,10 +342,10 @@ static s16 bme680_compensate_temp(struct
 	if (!calib->par_t2)
 		bme680_read_calib(data, calib);
 
-	var1 = (adc_temp >> 3) - (calib->par_t1 << 1);
+	var1 = (adc_temp >> 3) - ((s32)calib->par_t1 << 1);
 	var2 = (var1 * calib->par_t2) >> 11;
 	var3 = ((var1 >> 1) * (var1 >> 1)) >> 12;
-	var3 = (var3 * (calib->par_t3 << 4)) >> 14;
+	var3 = (var3 * ((s32)calib->par_t3 << 4)) >> 14;
 	data->t_fine = var2 + var3;
 	calc_temp = (data->t_fine * 5 + 128) >> 8;
 
@@ -368,9 +368,9 @@ static u32 bme680_compensate_press(struc
 	var1 = (data->t_fine >> 1) - 64000;
 	var2 = ((((var1 >> 2) * (var1 >> 2)) >> 11) * calib->par_p6) >> 2;
 	var2 = var2 + (var1 * calib->par_p5 << 1);
-	var2 = (var2 >> 2) + (calib->par_p4 << 16);
+	var2 = (var2 >> 2) + ((s32)calib->par_p4 << 16);
 	var1 = (((((var1 >> 2) * (var1 >> 2)) >> 13) *
-			(calib->par_p3 << 5)) >> 3) +
+			((s32)calib->par_p3 << 5)) >> 3) +
 			((calib->par_p2 * var1) >> 1);
 	var1 = var1 >> 18;
 	var1 = ((32768 + var1) * calib->par_p1) >> 15;
@@ -388,7 +388,7 @@ static u32 bme680_compensate_press(struc
 	var3 = ((press_comp >> 8) * (press_comp >> 8) *
 			(press_comp >> 8) * calib->par_p10) >> 17;
 
-	press_comp += (var1 + var2 + var3 + (calib->par_p7 << 7)) >> 4;
+	press_comp += (var1 + var2 + var3 + ((s32)calib->par_p7 << 7)) >> 4;
 
 	return press_comp;
 }
@@ -414,7 +414,7 @@ static u32 bme680_compensate_humid(struc
 		 (((temp_scaled * ((temp_scaled * calib->par_h5) / 100))
 		   >> 6) / 100) + (1 << 14))) >> 10;
 	var3 = var1 * var2;
-	var4 = calib->par_h6 << 7;
+	var4 = (s32)calib->par_h6 << 7;
 	var4 = (var4 + ((temp_scaled * calib->par_h7) / 100)) >> 4;
 	var5 = ((var3 >> 14) * (var3 >> 14)) >> 10;
 	var6 = (var4 * var5) >> 1;

[PATCH 6.9 142/222] iio: chemical: bme680: Fix sensor data read operation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasileios Amoiridis <vassilisamir@gmail.com>

commit 4241665e6ea063a9c1d734de790121a71db763fc upstream.

A read operation is happening as follows:

a) Set sensor to forced mode
b) Sensor measures values and update data registers and sleeps again
c) Read data registers

In the current implementation the read operation happens immediately
after the sensor is set to forced mode so the sensor does not have
the time to update properly the registers. This leads to the following
2 problems:

1) The first ever value which is read by the register is always wrong
2) Every read operation, puts the register into forced mode and reads
the data that were calculated in the previous conversion.

This behaviour was tested in 2 ways:

1) The internal meas_status_0 register was read before and after every
read operation in order to verify that the data were ready even before
the register was set to forced mode and also to check that after the
forced mode was set the new data were not yet ready.

2) Physically changing the temperature and measuring the temperature

This commit adds the waiting time in between the set of the forced mode
and the read of the data. The function is taken from the Bosch BME68x
Sensor API [1].

[1]: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x.c#L490

Fixes: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240606212313.207550-5-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/chemical/bme680.h      |    2 +
 drivers/iio/chemical/bme680_core.c |   46 +++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

--- a/drivers/iio/chemical/bme680.h
+++ b/drivers/iio/chemical/bme680.h
@@ -54,7 +54,9 @@
 #define   BME680_NB_CONV_MASK			GENMASK(3, 0)
 
 #define BME680_REG_MEAS_STAT_0			0x1D
+#define   BME680_NEW_DATA_BIT			BIT(7)
 #define   BME680_GAS_MEAS_BIT			BIT(6)
+#define   BME680_MEAS_BIT			BIT(5)
 
 /* Calibration Parameters */
 #define BME680_T2_LSB_REG	0x8A
--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -10,6 +10,7 @@
  */
 #include <linux/acpi.h>
 #include <linux/bitfield.h>
+#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/log2.h>
@@ -532,6 +533,43 @@ static u8 bme680_oversampling_to_reg(u8
 	return ilog2(val) + 1;
 }
 
+/*
+ * Taken from Bosch BME680 API:
+ * https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x.c#L490
+ */
+static int bme680_wait_for_eoc(struct bme680_data *data)
+{
+	struct device *dev = regmap_get_device(data->regmap);
+	unsigned int check;
+	int ret;
+	/*
+	 * (Sum of oversampling ratios * time per oversampling) +
+	 * TPH measurement + gas measurement + wait transition from forced mode
+	 * + heater duration
+	 */
+	int wait_eoc_us = ((data->oversampling_temp + data->oversampling_press +
+			   data->oversampling_humid) * 1936) + (477 * 4) +
+			   (477 * 5) + 1000 + (data->heater_dur * 1000);
+
+	usleep_range(wait_eoc_us, wait_eoc_us + 100);
+
+	ret = regmap_read(data->regmap, BME680_REG_MEAS_STAT_0, &check);
+	if (ret) {
+		dev_err(dev, "failed to read measurement status register.\n");
+		return ret;
+	}
+	if (check & BME680_MEAS_BIT) {
+		dev_err(dev, "Device measurement cycle incomplete.\n");
+		return -EBUSY;
+	}
+	if (!(check & BME680_NEW_DATA_BIT)) {
+		dev_err(dev, "No new data available from the device.\n");
+		return -ENODATA;
+	}
+
+	return 0;
+}
+
 static int bme680_chip_config(struct bme680_data *data)
 {
 	struct device *dev = regmap_get_device(data->regmap);
@@ -622,6 +660,10 @@ static int bme680_read_temp(struct bme68
 	if (ret < 0)
 		return ret;
 
+	ret = bme680_wait_for_eoc(data);
+	if (ret)
+		return ret;
+
 	ret = regmap_bulk_read(data->regmap, BME680_REG_TEMP_MSB,
 			       &tmp, 3);
 	if (ret < 0) {
@@ -738,6 +780,10 @@ static int bme680_read_gas(struct bme680
 	if (ret < 0)
 		return ret;
 
+	ret = bme680_wait_for_eoc(data);
+	if (ret)
+		return ret;
+
 	ret = regmap_read(data->regmap, BME680_REG_MEAS_STAT_0, &check);
 	if (check & BME680_GAS_MEAS_BIT) {
 		dev_err(dev, "gas measurement incomplete\n");

[PATCH 6.9 143/222] net: usb: ax88179_178a: improve link status logs

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>

commit 058722ee350c0bdd664e467156feb2bf5d9cc271 upstream.

Avoid spurious link status logs that may ultimately be wrong; for example,
if the link is set to down with the cable plugged, then the cable is
unplugged and after this the link is set to up, the last new log that is
appearing is incorrectly telling that the link is up.

In order to avoid errors, show link status logs after link_reset
processing, and in order to avoid spurious as much as possible, only show
the link loss when some link status change is detected.

cc: stable@vger.kernel.org
Fixes: e2ca90c276e1 ("ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver")
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/usb/ax88179_178a.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -326,7 +326,8 @@ static void ax88179_status(struct usbnet
 
 	if (netif_carrier_ok(dev->net) != link) {
 		usbnet_link_change(dev, link, 1);
-		netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
+		if (!link)
+			netdev_info(dev->net, "ax88179 - Link status is: 0\n");
 	}
 }
 
@@ -1540,6 +1541,7 @@ static int ax88179_link_reset(struct usb
 			 GMII_PHY_PHYSR, 2, &tmp16);
 
 	if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
+		netdev_info(dev->net, "ax88179 - Link status is: 0\n");
 		return 0;
 	} else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
 		mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
@@ -1577,6 +1579,8 @@ static int ax88179_link_reset(struct usb
 
 	netif_carrier_on(dev->net);
 
+	netdev_info(dev->net, "ax88179 - Link status is: 1\n");
+
 	return 0;
 }
 

[PATCH 6.9 144/222] usb: gadget: printer: SS+ support

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Oliver Neukum <oneukum@suse.com>

commit fd80731e5e9d1402cb2f85022a6abf9b1982ec5f upstream.

We need to treat super speed plus as super speed, not the default,
which is full speed.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240620093800.28901-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/function/f_printer.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -213,6 +213,7 @@ static inline struct usb_endpoint_descri
 					struct usb_endpoint_descriptor *ss)
 {
 	switch (gadget->speed) {
+	case USB_SPEED_SUPER_PLUS:
 	case USB_SPEED_SUPER:
 		return ss;
 	case USB_SPEED_HIGH:

[PATCH 6.9 145/222] usb: gadget: printer: fix races against disable

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Oliver Neukum <oneukum@suse.com>

commit e587a7633dfee8987a999cf253f7c52a8e09276c upstream.

printer_read() and printer_write() guard against the race
against disable() by checking the dev->interface flag,
which in turn is guarded by a spinlock.
These functions, however, drop the lock on multiple occasions.
This means that the test has to be redone after reacquiring
the lock and before doing IO.

Add the tests.

This also addresses CVE-2024-25741

Fixes: 7f2ca14d2f9b9 ("usb: gadget: function: printer: Interface is disabled and returns error")
Cc: stable <stable@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240620114039.5767-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/function/f_printer.c |   39 +++++++++++++++++++++++---------
 1 file changed, 29 insertions(+), 10 deletions(-)

--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -450,11 +450,8 @@ printer_read(struct file *fd, char __use
 	mutex_lock(&dev->lock_printer_io);
 	spin_lock_irqsave(&dev->lock, flags);
 
-	if (dev->interface < 0) {
-		spin_unlock_irqrestore(&dev->lock, flags);
-		mutex_unlock(&dev->lock_printer_io);
-		return -ENODEV;
-	}
+	if (dev->interface < 0)
+		goto out_disabled;
 
 	/* We will use this flag later to check if a printer reset happened
 	 * after we turn interrupts back on.
@@ -462,6 +459,9 @@ printer_read(struct file *fd, char __use
 	dev->reset_printer = 0;
 
 	setup_rx_reqs(dev);
+	/* this dropped the lock - need to retest */
+	if (dev->interface < 0)
+		goto out_disabled;
 
 	bytes_copied = 0;
 	current_rx_req = dev->current_rx_req;
@@ -495,6 +495,8 @@ printer_read(struct file *fd, char __use
 		wait_event_interruptible(dev->rx_wait,
 				(likely(!list_empty(&dev->rx_buffers))));
 		spin_lock_irqsave(&dev->lock, flags);
+		if (dev->interface < 0)
+			goto out_disabled;
 	}
 
 	/* We have data to return then copy it to the caller's buffer.*/
@@ -538,6 +540,9 @@ printer_read(struct file *fd, char __use
 			return -EAGAIN;
 		}
 
+		if (dev->interface < 0)
+			goto out_disabled;
+
 		/* If we not returning all the data left in this RX request
 		 * buffer then adjust the amount of data left in the buffer.
 		 * Othewise if we are done with this RX request buffer then
@@ -567,6 +572,11 @@ printer_read(struct file *fd, char __use
 		return bytes_copied;
 	else
 		return -EAGAIN;
+
+out_disabled:
+	spin_unlock_irqrestore(&dev->lock, flags);
+	mutex_unlock(&dev->lock_printer_io);
+	return -ENODEV;
 }
 
 static ssize_t
@@ -587,11 +597,8 @@ printer_write(struct file *fd, const cha
 	mutex_lock(&dev->lock_printer_io);
 	spin_lock_irqsave(&dev->lock, flags);
 
-	if (dev->interface < 0) {
-		spin_unlock_irqrestore(&dev->lock, flags);
-		mutex_unlock(&dev->lock_printer_io);
-		return -ENODEV;
-	}
+	if (dev->interface < 0)
+		goto out_disabled;
 
 	/* Check if a printer reset happens while we have interrupts on */
 	dev->reset_printer = 0;
@@ -614,6 +621,8 @@ printer_write(struct file *fd, const cha
 		wait_event_interruptible(dev->tx_wait,
 				(likely(!list_empty(&dev->tx_reqs))));
 		spin_lock_irqsave(&dev->lock, flags);
+		if (dev->interface < 0)
+			goto out_disabled;
 	}
 
 	while (likely(!list_empty(&dev->tx_reqs)) && len) {
@@ -663,6 +672,9 @@ printer_write(struct file *fd, const cha
 			return -EAGAIN;
 		}
 
+		if (dev->interface < 0)
+			goto out_disabled;
+
 		list_add(&req->list, &dev->tx_reqs_active);
 
 		/* here, we unlock, and only unlock, to avoid deadlock. */
@@ -675,6 +687,8 @@ printer_write(struct file *fd, const cha
 			mutex_unlock(&dev->lock_printer_io);
 			return -EAGAIN;
 		}
+		if (dev->interface < 0)
+			goto out_disabled;
 	}
 
 	spin_unlock_irqrestore(&dev->lock, flags);
@@ -686,6 +700,11 @@ printer_write(struct file *fd, const cha
 		return bytes_copied;
 	else
 		return -EAGAIN;
+
+out_disabled:
+	spin_unlock_irqrestore(&dev->lock, flags);
+	mutex_unlock(&dev->lock_printer_io);
+	return -ENODEV;
 }
 
 static int

[PATCH 6.9 146/222] usb: musb: da8xx: fix a resource leak in probe()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@linaro.org>

commit de644a4a86be04ed8a43ef8267d0f7d021941c5e upstream.

Call usb_phy_generic_unregister() if of_platform_populate() fails.

Fixes: d6299b6efbf6 ("usb: musb: Add support of CPPI 4.1 DMA controller to DA8xx")
Cc: stable <stable@kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/69af1b1d-d3f4-492b-bcea-359ca5949f30@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/musb/da8xx.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -556,7 +556,7 @@ static int da8xx_probe(struct platform_d
 	ret = of_platform_populate(pdev->dev.of_node, NULL,
 				   da8xx_auxdata_lookup, &pdev->dev);
 	if (ret)
-		return ret;
+		goto err_unregister_phy;
 
 	pinfo = da8xx_dev_info;
 	pinfo.parent = &pdev->dev;
@@ -571,9 +571,13 @@ static int da8xx_probe(struct platform_d
 	ret = PTR_ERR_OR_ZERO(glue->musb);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register musb device: %d\n", ret);
-		usb_phy_generic_unregister(glue->usb_phy);
+		goto err_unregister_phy;
 	}
 
+	return 0;
+
+err_unregister_phy:
+	usb_phy_generic_unregister(glue->usb_phy);
 	return ret;
 }
 

[PATCH 6.9 147/222] usb: atm: cxacru: fix endpoint checking in cxacru_bind()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>

commit 2eabb655a968b862bc0c31629a09f0fbf3c80d51 upstream.

Syzbot is still reporting quite an old issue [1] that occurs due to
incomplete checking of present usb endpoints. As such, wrong
endpoints types may be used at urb sumbitting stage which in turn
triggers a warning in usb_submit_urb().

Fix the issue by verifying that required endpoint types are present
for both in and out endpoints, taking into account cmd endpoint type.

Unfortunately, this patch has not been tested on real hardware.

[1] Syzbot report:
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 8667 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 0 PID: 8667 Comm: kworker/0:4 Not tainted 5.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502
...
Call Trace:
 cxacru_cm+0x3c0/0x8e0 drivers/usb/atm/cxacru.c:649
 cxacru_card_status+0x22/0xd0 drivers/usb/atm/cxacru.c:760
 cxacru_bind+0x7ac/0x11a0 drivers/usb/atm/cxacru.c:1209
 usbatm_usb_probe+0x321/0x1ae0 drivers/usb/atm/usbatm.c:1055
 cxacru_usb_probe+0xdf/0x1e0 drivers/usb/atm/cxacru.c:1363
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x23c/0xcd0 drivers/base/dd.c:595
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x228/0x4a0 drivers/base/dd.c:965
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xc2f/0x2180 drivers/base/core.c:3354
 usb_set_configuration+0x113a/0x1910 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293

Reported-and-tested-by: syzbot+00c18ee8497dd3be6ade@syzkaller.appspotmail.com
Fixes: 902ffc3c707c ("USB: cxacru: Use a bulk/int URB to access the command endpoint")
Cc: stable <stable@kernel.org>
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Link: https://lore.kernel.org/r/20240609131546.3932-1-n.zhandarovich@fintech.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/atm/cxacru.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -1131,6 +1131,7 @@ static int cxacru_bind(struct usbatm_dat
 	struct cxacru_data *instance;
 	struct usb_device *usb_dev = interface_to_usbdev(intf);
 	struct usb_host_endpoint *cmd_ep = usb_dev->ep_in[CXACRU_EP_CMD];
+	struct usb_endpoint_descriptor *in, *out;
 	int ret;
 
 	/* instance init */
@@ -1176,6 +1177,19 @@ static int cxacru_bind(struct usbatm_dat
 		ret = -ENODEV;
 		goto fail;
 	}
+
+	if (usb_endpoint_xfer_int(&cmd_ep->desc))
+		ret = usb_find_common_endpoints(intf->cur_altsetting,
+						NULL, NULL, &in, &out);
+	else
+		ret = usb_find_common_endpoints(intf->cur_altsetting,
+						&in, &out, NULL, NULL);
+
+	if (ret) {
+		usb_err(usbatm_instance, "cxacru_bind: interface has incorrect endpoints\n");
+		ret = -ENODEV;
+		goto fail;
+	}
 
 	if ((cmd_ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
 			== USB_ENDPOINT_XFER_INT) {

[PATCH 6.9 148/222] usb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Meng Li <Meng.Li@windriver.com>

commit 7838de15bb700c2898a7d741db9b1f3cbc86c136 upstream.

When config CONFIG_USB_DWC3_DUAL_ROLE is selected, and trigger system
to enter suspend status with below command:
echo mem > /sys/power/state
There will be a deadlock issue occurring. Detailed invoking path as
below:
dwc3_suspend_common()
    spin_lock_irqsave(&dwc->lock, flags);              <-- 1st
    dwc3_gadget_suspend(dwc);
        dwc3_gadget_soft_disconnect(dwc);
            spin_lock_irqsave(&dwc->lock, flags);      <-- 2nd
This issue is exposed by commit c7ebd8149ee5 ("usb: dwc3: gadget: Fix
NULL pointer dereference in dwc3_gadget_suspend") that removes the code
of checking whether dwc->gadget_driver is NULL or not. It causes the
following code is executed and deadlock occurs when trying to get the
spinlock. In fact, the root cause is the commit 5265397f9442("usb: dwc3:
Remove DWC3 locking during gadget suspend/resume") that forgot to remove
the lock of otg mode. So, remove the redundant lock of otg mode during
gadget suspend/resume.

Fixes: 5265397f9442 ("usb: dwc3: Remove DWC3 locking during gadget suspend/resume")
Cc: Xu Yang <xu.yang_2@nxp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Meng Li <Meng.Li@windriver.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240618031918.2585799-1-Meng.Li@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/dwc3/core.c |    6 ------
 1 file changed, 6 deletions(-)

--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -2084,7 +2084,6 @@ assert_reset:
 
 static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 {
-	unsigned long	flags;
 	u32 reg;
 
 	switch (dwc->current_dr_role) {
@@ -2122,9 +2121,7 @@ static int dwc3_suspend_common(struct dw
 			break;
 
 		if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) {
-			spin_lock_irqsave(&dwc->lock, flags);
 			dwc3_gadget_suspend(dwc);
-			spin_unlock_irqrestore(&dwc->lock, flags);
 			synchronize_irq(dwc->irq_gadget);
 		}
 
@@ -2141,7 +2138,6 @@ static int dwc3_suspend_common(struct dw
 
 static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg)
 {
-	unsigned long	flags;
 	int		ret;
 	u32		reg;
 
@@ -2190,9 +2186,7 @@ static int dwc3_resume_common(struct dwc
 		if (dwc->current_otg_role == DWC3_OTG_ROLE_HOST) {
 			dwc3_otg_host_init(dwc);
 		} else if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) {
-			spin_lock_irqsave(&dwc->lock, flags);
 			dwc3_gadget_resume(dwc);
-			spin_unlock_irqrestore(&dwc->lock, flags);
 		}
 
 		break;

[PATCH 6.9 149/222] usb: gadget: aspeed_udc: fix device address configuration

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jeremy Kerr <jk@codeconstruct.com.au>

commit dba7567c2fbbf10a4de2471cdb0e16e5572dc007 upstream.

In the aspeed UDC setup, we configure the UDC hardware with the assigned
USB device address.

However, we have an off-by-one in the bitmask, so we're only setting the
lower 6 bits of the address (USB addresses being 7 bits, and the
hardware bitmask being bits 0:6).

This means that device enumeration fails if the assigned address is
greater than 64:

[  344.607255] usb 1-1: new high-speed USB device number 63 using ehci-platform
[  344.808459] usb 1-1: New USB device found, idVendor=cc00, idProduct=cc00, bcdDevice= 6.10
[  344.817684] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  344.825671] usb 1-1: Product: Test device
[  344.831075] usb 1-1: Manufacturer: Test vendor
[  344.836335] usb 1-1: SerialNumber: 00
[  349.917181] usb 1-1: USB disconnect, device number 63
[  352.036775] usb 1-1: new high-speed USB device number 64 using ehci-platform
[  352.249432] usb 1-1: device descriptor read/all, error -71
[  352.696740] usb 1-1: new high-speed USB device number 65 using ehci-platform
[  352.909431] usb 1-1: device descriptor read/all, error -71

Use the correct mask of 0x7f (rather than 0x3f), and generate this
through the GENMASK macro, so we have numbers that correspond exactly
to the hardware register definition.

Fixes: 055276c13205 ("usb: gadget: add Aspeed ast2600 udc driver")
Cc: stable@vger.kernel.org
Reviewed-by: Neal Liu <neal_liu@aspeedtech.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20240613-aspeed-udc-v2-1-29501ce9cb7a@codeconstruct.com.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/udc/aspeed_udc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/usb/gadget/udc/aspeed_udc.c
+++ b/drivers/usb/gadget/udc/aspeed_udc.c
@@ -66,8 +66,8 @@
 #define USB_UPSTREAM_EN			BIT(0)
 
 /* Main config reg */
-#define UDC_CFG_SET_ADDR(x)		((x) & 0x3f)
-#define UDC_CFG_ADDR_MASK		(0x3f)
+#define UDC_CFG_SET_ADDR(x)		((x) & UDC_CFG_ADDR_MASK)
+#define UDC_CFG_ADDR_MASK		GENMASK(6, 0)
 
 /* Interrupt ctrl & status reg */
 #define UDC_IRQ_EP_POOL_NAK		BIT(17)

[PATCH 6.9 150/222] usb: typec: ucsi: glink: fix child node release in probe function

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Javier Carrasco <javier.carrasco.cruz@gmail.com>

commit c68942624e254a4e8a65afcd3c17ed95acda5489 upstream.

The device_for_each_child_node() macro requires explicit calls to
fwnode_handle_put() in all early exits of the loop if the child node is
not required outside. Otherwise, the child node's refcount is not
decremented and the resource is not released.

The current implementation of pmic_glink_ucsi_probe() makes use of the
device_for_each_child_node(), but does not release the child node on
early returns. Add the missing calls to fwnode_handle_put().

Cc: stable@vger.kernel.org
Fixes: c6165ed2f425 ("usb: ucsi: glink: use the connector orientation GPIO to provide switch events")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240613-ucsi-glink-release-node-v1-1-f7629a56f70a@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/typec/ucsi/ucsi_glink.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/usb/typec/ucsi/ucsi_glink.c
+++ b/drivers/usb/typec/ucsi/ucsi_glink.c
@@ -365,6 +365,7 @@ static int pmic_glink_ucsi_probe(struct
 		ret = fwnode_property_read_u32(fwnode, "reg", &port);
 		if (ret < 0) {
 			dev_err(dev, "missing reg property of %pOFn\n", fwnode);
+			fwnode_handle_put(fwnode);
 			return ret;
 		}
 
@@ -379,9 +380,11 @@ static int pmic_glink_ucsi_probe(struct
 		if (!desc)
 			continue;
 
-		if (IS_ERR(desc))
+		if (IS_ERR(desc)) {
+			fwnode_handle_put(fwnode);
 			return dev_err_probe(dev, PTR_ERR(desc),
 					     "unable to acquire orientation gpio\n");
+		}
 		ucsi->port_orientation[port] = desc;
 
 		ucsi->port_switch[port] = fwnode_typec_switch_get(fwnode);

[PATCH 6.9 151/222] Revert "usb: gadget: u_ether: Re-attach netif device to mirror detachment"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ferry Toth <ftoth@exalondelft.nl>

commit 24bf27b92b1c6a322faa88977de2207aa8c26509 upstream.

This reverts commit 76c945730cdffb572c7767073cc6515fd3f646b4.

Prerequisite revert for the reverting of the original commit f49449fbc21e.

Fixes: 76c945730cdf ("usb: gadget: u_ether: Re-attach netif device to mirror detachment")
Fixes: f49449fbc21e ("usb: gadget: u_ether: Replace netif_stop_queue with netif_device_detach")
Reported-by: Ferry Toth <fntoth@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ferry Toth <fntoth@gmail.com>
Link: https://lore.kernel.org/r/20240620204832.24518-2-ftoth@exalondelft.nl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/function/u_ether.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -1163,8 +1163,6 @@ struct net_device *gether_connect(struct
 		if (netif_running(dev->net))
 			eth_start(dev, GFP_ATOMIC);
 
-		netif_device_attach(dev->net);
-
 	/* on error, disable any endpoints  */
 	} else {
 		(void) usb_ep_disable(link->out_ep);

[PATCH 6.9 152/222] Revert "usb: gadget: u_ether: Replace netif_stop_queue with netif_device_detach"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ferry Toth <ftoth@exalondelft.nl>

commit c50814a288dcee687285abc0cf935e9fe8928e59 upstream.

This reverts commit f49449fbc21e7e9550a5203902d69c8ae7dfd918.

This commit breaks u_ether on some setups (at least Merrifield). The fix
"usb: gadget: u_ether: Re-attach netif device to mirror detachment" party
restores u-ether. However the netif usb: remains up even usb is switched
from device to host mode. This creates problems for user space as the
interface remains in the routing table while not realy present and network
managers (connman) not detecting a network change.

Various attempts to find the root cause were unsuccesful up to now. Therefore
revert until a solution is found.

Link: https://lore.kernel.org/linux-usb/20231006141231.7220-1-hgajjar@de.adit-jv.com/
Reported-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reported-by: Ferry Toth <fntoth@gmail.com>
Fixes: f49449fbc21e ("usb: gadget: u_ether: Replace netif_stop_queue with netif_device_detach")
Cc: stable@vger.kernel.org
Signed-off-by: Ferry Toth <fntoth@gmail.com>
Link: https://lore.kernel.org/r/20240620204832.24518-3-ftoth@exalondelft.nl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/function/u_ether.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -1200,7 +1200,7 @@ void gether_disconnect(struct gether *li
 
 	DBG(dev, "%s\n", __func__);
 
-	netif_device_detach(dev->net);
+	netif_stop_queue(dev->net);
 	netif_carrier_off(dev->net);
 
 	/* disable endpoints, forcing (synchronous) completion

[PATCH 6.9 153/222] usb: ucsi: stm32: fix command completion handling

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Fabrice Gasnier <fabrice.gasnier@foss.st.com>

commit 8e1ec117efdfd4b2f59f57bd0ad16b4edf5b963f upstream.

Sometimes errors are seen, when doing DR swap, like:
[   24.672481] ucsi-stm32g0-i2c 0-0035: UCSI_GET_PDOS failed (-5)
[   24.720188] ucsi-stm32g0-i2c 0-0035: ucsi_handle_connector_change:
 GET_CONNECTOR_STATUS failed (-5)

There may be some race, which lead to read CCI, before the command complete
flag is set, hence returning -EIO. Similar fix has been done also in
ucsi_acpi [1].

In case of a spurious or otherwise delayed notification it is
possible that CCI still reports the previous completion. The
UCSI spec is aware of this and provides two completion bits in
CCI, one for normal commands and one for acks. As acks and commands
alternate the notification handler can determine if the completion
bit is from the current command.

To fix this add the ACK_PENDING bit for ucsi_stm32g0 and only complete
commands if the completion bit matches.

[1] https://lore.kernel.org/lkml/20240121204123.275441-3-lk@c--e.de/

Fixes: 72849d4fcee7 ("usb: typec: ucsi: stm32g0: add support for stm32g0 controller")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/stable/20240612124656.2305603-1-fabrice.gasnier%40foss.st.com
Cc: stable <stable@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240612124656.2305603-1-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/typec/ucsi/ucsi_stm32g0.c |   19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

--- a/drivers/usb/typec/ucsi/ucsi_stm32g0.c
+++ b/drivers/usb/typec/ucsi/ucsi_stm32g0.c
@@ -64,6 +64,7 @@ struct ucsi_stm32g0 {
 	struct completion complete;
 	struct device *dev;
 	unsigned long flags;
+#define ACK_PENDING	2
 	const char *fw_name;
 	struct ucsi *ucsi;
 	bool suspended;
@@ -395,9 +396,13 @@ static int ucsi_stm32g0_sync_write(struc
 				   size_t len)
 {
 	struct ucsi_stm32g0 *g0 = ucsi_get_drvdata(ucsi);
+	bool ack = UCSI_COMMAND(*(u64 *)val) == UCSI_ACK_CC_CI;
 	int ret;
 
-	set_bit(COMMAND_PENDING, &g0->flags);
+	if (ack)
+		set_bit(ACK_PENDING, &g0->flags);
+	else
+		set_bit(COMMAND_PENDING, &g0->flags);
 
 	ret = ucsi_stm32g0_async_write(ucsi, offset, val, len);
 	if (ret)
@@ -405,9 +410,14 @@ static int ucsi_stm32g0_sync_write(struc
 
 	if (!wait_for_completion_timeout(&g0->complete, msecs_to_jiffies(5000)))
 		ret = -ETIMEDOUT;
+	else
+		return 0;
 
 out_clear_bit:
-	clear_bit(COMMAND_PENDING, &g0->flags);
+	if (ack)
+		clear_bit(ACK_PENDING, &g0->flags);
+	else
+		clear_bit(COMMAND_PENDING, &g0->flags);
 
 	return ret;
 }
@@ -428,8 +438,9 @@ static irqreturn_t ucsi_stm32g0_irq_hand
 	if (UCSI_CCI_CONNECTOR(cci))
 		ucsi_connector_change(g0->ucsi, UCSI_CCI_CONNECTOR(cci));
 
-	if (test_bit(COMMAND_PENDING, &g0->flags) &&
-	    cci & (UCSI_CCI_ACK_COMPLETE | UCSI_CCI_COMMAND_COMPLETE))
+	if (cci & UCSI_CCI_ACK_COMPLETE && test_and_clear_bit(ACK_PENDING, &g0->flags))
+		complete(&g0->complete);
+	if (cci & UCSI_CCI_COMMAND_COMPLETE && test_and_clear_bit(COMMAND_PENDING, &g0->flags))
 		complete(&g0->complete);
 
 	return IRQ_HANDLED;

[PATCH 6.9 154/222] usb: dwc3: core: Workaround for CSR read timeout

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jos Wang <joswang@lenovo.com>

commit fc1d1a712b517bbcb383b1f1f7ef478e7d0579f2 upstream.

This is a workaround for STAR 4846132, which only affects
DWC_usb31 version2.00a operating in host mode.

There is a problem in DWC_usb31 version 2.00a operating
in host mode that would cause a CSR read timeout When CSR
read coincides with RAM Clock Gating Entry. By disable
Clock Gating, sacrificing power consumption for normal
operation.

Cc: stable <stable@kernel.org> # 5.10.x: 1e43c86d: usb: dwc3: core: Add DWC31 version 2.00a controller
Signed-off-by: Jos Wang <joswang@lenovo.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240619114529.3441-1-joswang1221@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/dwc3/core.c |   20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -879,12 +879,16 @@ static bool dwc3_core_is_valid(struct dw
 
 static void dwc3_core_setup_global_control(struct dwc3 *dwc)
 {
+	unsigned int power_opt;
+	unsigned int hw_mode;
 	u32 reg;
 
 	reg = dwc3_readl(dwc->regs, DWC3_GCTL);
 	reg &= ~DWC3_GCTL_SCALEDOWN_MASK;
+	hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0);
+	power_opt = DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1);
 
-	switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1)) {
+	switch (power_opt) {
 	case DWC3_GHWPARAMS1_EN_PWROPT_CLK:
 		/**
 		 * WORKAROUND: DWC3 revisions between 2.10a and 2.50a have an
@@ -917,6 +921,20 @@ static void dwc3_core_setup_global_contr
 		break;
 	}
 
+	/*
+	 * This is a workaround for STAR#4846132, which only affects
+	 * DWC_usb31 version2.00a operating in host mode.
+	 *
+	 * There is a problem in DWC_usb31 version 2.00a operating
+	 * in host mode that would cause a CSR read timeout When CSR
+	 * read coincides with RAM Clock Gating Entry. By disable
+	 * Clock Gating, sacrificing power consumption for normal
+	 * operation.
+	 */
+	if (power_opt != DWC3_GHWPARAMS1_EN_PWROPT_NO &&
+	    hw_mode != DWC3_GHWPARAMS0_MODE_GADGET && DWC3_VER_IS(DWC31, 200A))
+		reg |= DWC3_GCTL_DSBLCLKGTNG;
+
 	/* check if current dwc3 is on simulation board */
 	if (dwc->hwparams.hwparams6 & DWC3_GHWPARAMS6_EN_FPGA) {
 		dev_info(dwc->dev, "Running with FPGA optimizations\n");

[PATCH 6.9 155/222] Revert "serial: core: only stop transmit when HW fifo is empty"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Doug Brown <doug@schmorgal.com>

commit c5603e2a621dac10c5e21cc430848ebcfa6c7e01 upstream.

This reverts commit 7bfb915a597a301abb892f620fe5c283a9fdbd77.

This commit broke pxa and omap-serial, because it inhibited them from
calling stop_tx() if their TX FIFOs weren't completely empty. This
resulted in these two drivers hanging during transmits because the TX
interrupt would stay enabled, and a new TX interrupt would never fire.

Cc: stable@vger.kernel.org
Fixes: 7bfb915a597a ("serial: core: only stop transmit when HW fifo is empty")
Signed-off-by: Doug Brown <doug@schmorgal.com>
Link: https://lore.kernel.org/r/20240606195632.173255-2-doug@schmorgal.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/serial_core.h |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -789,8 +789,7 @@ enum UART_TX_FLAGS {
 	if (pending < WAKEUP_CHARS) {					      \
 		uart_write_wakeup(__port);				      \
 									      \
-		if (!((flags) & UART_TX_NOSTOP) && pending == 0 &&	      \
-		    __port->ops->tx_empty(__port))			      \
+		if (!((flags) & UART_TX_NOSTOP) && pending == 0)	      \
 			__port->ops->stop_tx(__port);			      \
 	}								      \
 									      \

[PATCH 6.9 156/222] tty: serial: 8250: Fix port count mismatch with the device

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Crescent Hsieh <crescentcy.hsieh@moxa.com>

commit 0ac18dac43103ab1df6d26ec9a781c0126f83ced upstream.

Normally, the number of ports is indicated by the third digit of the
device ID on Moxa PCI serial boards. For example, `0x1121` indicates a
device with 2 ports.

However, `CP116E_A_A` and `CP116E_A_B` are exceptions; they have 8
ports, but the third digit of the device ID is `6`.

This patch introduces a function to retrieve the number of ports on Moxa
PCI serial boards, addressing the issue described above.

Fixes: 37058fd5d239 ("tty: serial: 8250: Add support for MOXA Mini PCIe boards")
Cc: stable <stable@kernel.org>
Signed-off-by: Crescent Hsieh <crescentcy.hsieh@moxa.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240617063058.18866-1-crescentcy.hsieh@moxa.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/serial/8250/8250_pci.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1985,6 +1985,17 @@ enum {
 	MOXA_SUPP_RS485 = BIT(2),
 };
 
+static unsigned short moxa_get_nports(unsigned short device)
+{
+	switch (device) {
+	case PCI_DEVICE_ID_MOXA_CP116E_A_A:
+	case PCI_DEVICE_ID_MOXA_CP116E_A_B:
+		return 8;
+	}
+
+	return FIELD_GET(0x00F0, device);
+}
+
 static bool pci_moxa_is_mini_pcie(unsigned short device)
 {
 	if (device == PCI_DEVICE_ID_MOXA_CP102N	||
@@ -2038,7 +2049,7 @@ static int pci_moxa_init(struct pci_dev
 {
 	unsigned short device = dev->device;
 	resource_size_t iobar_addr = pci_resource_start(dev, 2);
-	unsigned int num_ports = (device & 0x00F0) >> 4, i;
+	unsigned int i, num_ports = moxa_get_nports(device);
 	u8 val, init_mode = MOXA_RS232;
 
 	if (!(pci_moxa_supported_rs(dev) & MOXA_SUPP_RS232)) {

[PATCH 6.9 157/222] serial: 8250_omap: Implementation of Errata i2310

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Udit Kumar <u-kumar1@ti.com>

commit 9d141c1e615795eeb93cd35501ad144ee997a826 upstream.

As per Errata i2310[0], Erroneous timeout can be triggered,
if this Erroneous interrupt is not cleared then it may leads
to storm of interrupts, therefore apply Errata i2310 solution.

[0] https://www.ti.com/lit/pdf/sprz536 page 23

Fixes: b67e830d38fa ("serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs")
Cc: stable@vger.kernel.org
Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20240619105903.165434-1-u-kumar1@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/serial/8250/8250_omap.c |   25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -116,6 +116,10 @@
 /* RX FIFO occupancy indicator */
 #define UART_OMAP_RX_LVL		0x19
 
+/* Timeout low and High */
+#define UART_OMAP_TO_L                 0x26
+#define UART_OMAP_TO_H                 0x27
+
 /*
  * Copy of the genpd flags for the console.
  * Only used if console suspend is disabled
@@ -664,13 +668,24 @@ static irqreturn_t omap8250_irq(int irq,
 
 	/*
 	 * On K3 SoCs, it is observed that RX TIMEOUT is signalled after
-	 * FIFO has been drained, in which case a dummy read of RX FIFO
-	 * is required to clear RX TIMEOUT condition.
+	 * FIFO has been drained or erroneously.
+	 * So apply solution of Errata i2310 as mentioned in
+	 * https://www.ti.com/lit/pdf/sprz536
 	 */
 	if (priv->habit & UART_RX_TIMEOUT_QUIRK &&
-	    (iir & UART_IIR_RX_TIMEOUT) == UART_IIR_RX_TIMEOUT &&
-	    serial_port_in(port, UART_OMAP_RX_LVL) == 0) {
-		serial_port_in(port, UART_RX);
+		(iir & UART_IIR_RX_TIMEOUT) == UART_IIR_RX_TIMEOUT) {
+		unsigned char efr2, timeout_h, timeout_l;
+
+		efr2 = serial_in(up, UART_OMAP_EFR2);
+		timeout_h = serial_in(up, UART_OMAP_TO_H);
+		timeout_l = serial_in(up, UART_OMAP_TO_L);
+		serial_out(up, UART_OMAP_TO_H, 0xFF);
+		serial_out(up, UART_OMAP_TO_L, 0xFF);
+		serial_out(up, UART_OMAP_EFR2, UART_OMAP_EFR2_TIMEOUT_BEHAVE);
+		serial_in(up, UART_IIR);
+		serial_out(up, UART_OMAP_EFR2, efr2);
+		serial_out(up, UART_OMAP_TO_H, timeout_h);
+		serial_out(up, UART_OMAP_TO_L, timeout_l);
 	}
 
 	/* Stop processing interrupts on input overrun */

[PATCH 6.9 158/222] serial: imx: set receiver level before starting uart

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stefan Eichenberger <stefan.eichenberger@toradex.com>

commit a81dbd0463eca317eee44985a66aa6cc2ce5c101 upstream.

Set the receiver level to something > 0 before calling imx_uart_start_rx
in rs485_config. This is necessary to avoid an interrupt storm that
might prevent the system from booting. This was seen on an i.MX7 device
when the rs485-rts-active-low property was active in the device tree.

Fixes: 6d215f83e5fc ("serial: imx: warn user when using unsupported configuration")
Cc: stable <stable@kernel.org>
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Link: https://lore.kernel.org/r/20240621153829.183780-1-eichest@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/serial/imx.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1960,8 +1960,10 @@ static int imx_uart_rs485_config(struct
 
 	/* Make sure Rx is enabled in case Tx is active with Rx disabled */
 	if (!(rs485conf->flags & SER_RS485_ENABLED) ||
-	    rs485conf->flags & SER_RS485_RX_DURING_TX)
+	    rs485conf->flags & SER_RS485_RX_DURING_TX) {
+		imx_uart_setup_ufcr(sport, TXTL_DEFAULT, RXTL_DEFAULT);
 		imx_uart_start_rx(port);
+	}
 
 	return 0;
 }

[PATCH 6.9 159/222] serial: core: introduce uart_port_tx_limited_flags()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jonas Gorski <jonas.gorski@gmail.com>

commit 9bb43b9e8d9a288a214e9b17acc9e46fda3977cf upstream.

Analogue to uart_port_tx_flags() introduced in commit 3ee07964d407
("serial: core: introduce uart_port_tx_flags()"), add a _flags variant
for uart_port_tx_limited().

Fixes: d11cc8c3c4b6 ("tty: serial: use uart_port_tx_limited()")
Cc: stable@vger.kernel.org
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Doug Brown <doug@schmorgal.com>
Link: https://lore.kernel.org/r/20240606195632.173255-3-doug@schmorgal.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/serial_core.h |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -829,6 +829,24 @@ enum UART_TX_FLAGS {
 })
 
 /**
+ * uart_port_tx_limited_flags -- transmit helper for uart_port with count limiting with flags
+ * @port: uart port
+ * @ch: variable to store a character to be written to the HW
+ * @flags: %UART_TX_NOSTOP or similar
+ * @count: a limit of characters to send
+ * @tx_ready: can HW accept more data function
+ * @put_char: function to write a character
+ * @tx_done: function to call after the loop is done
+ *
+ * See uart_port_tx_limited() for more details.
+ */
+#define uart_port_tx_limited_flags(port, ch, flags, count, tx_ready, put_char, tx_done) ({ \
+	unsigned int __count = (count);							   \
+	__uart_port_tx(port, ch, flags, tx_ready, put_char, tx_done, __count,		   \
+			__count--);							   \
+})
+
+/**
  * uart_port_tx -- transmit helper for uart_port
  * @port: uart port
  * @ch: variable to store a character to be written to the HW

[PATCH 6.9 160/222] serial: bcm63xx-uart: fix tx after conversion to uart_port_tx_limited()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jonas Gorski <jonas.gorski@gmail.com>

commit ea55c65dedf40e9c1911dc1e63e26bc9a59692b9 upstream.

When bcm63xx-uart was converted to uart_port_tx_limited(), it implicitly
added a call to stop_tx(). This causes garbage to be put out on the
serial console. To fix this, pass UART_TX_NOSTOP in flags, and manually
call stop_tx() ourselves analogue to how a similar issue was fixed in
commit 7be50f2e8f20 ("serial: mxs-auart: fix tx").

Fixes: d11cc8c3c4b6 ("tty: serial: use uart_port_tx_limited()")
Cc: stable@vger.kernel.org
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Doug Brown <doug@schmorgal.com>
Link: https://lore.kernel.org/r/20240606195632.173255-4-doug@schmorgal.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/serial/bcm63xx_uart.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c
@@ -308,8 +308,8 @@ static void bcm_uart_do_tx(struct uart_p
 
 	val = bcm_uart_readl(port, UART_MCTL_REG);
 	val = (val & UART_MCTL_TXFIFOFILL_MASK) >> UART_MCTL_TXFIFOFILL_SHIFT;
-
-	pending = uart_port_tx_limited(port, ch, port->fifosize - val,
+	pending = uart_port_tx_limited_flags(port, ch, UART_TX_NOSTOP,
+		port->fifosize - val,
 		true,
 		bcm_uart_writel(port, ch, UART_FIFO_REG),
 		({}));
@@ -320,6 +320,9 @@ static void bcm_uart_do_tx(struct uart_p
 	val = bcm_uart_readl(port, UART_IR_REG);
 	val &= ~UART_TX_INT_MASK;
 	bcm_uart_writel(port, val, UART_IR_REG);
+
+	if (uart_tx_stopped(port))
+		bcm_uart_stop_tx(port);
 }
 
 /*

[PATCH 6.9 161/222] ALSA: hda/realtek: fix mute/micmute LEDs dont work for EliteBook 645/665 G11.

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dirk Su <dirk.su@canonical.com>

commit 3cd59d8ef8df7d7a079f54d56502dae8f716b39b upstream.

HP EliteBook 645/665 G11 needs ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to
make mic-mute/audio-mute working.

Signed-off-by: Dirk Su <dirk.su@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240626021437.77039-1-dirk.su@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/pci/hda/patch_realtek.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10187,6 +10187,9 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x103c, 0x8c7c, "HP ProBook 445 G11", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
 	SND_PCI_QUIRK(0x103c, 0x8c7d, "HP ProBook 465 G11", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
 	SND_PCI_QUIRK(0x103c, 0x8c7e, "HP ProBook 465 G11", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+	SND_PCI_QUIRK(0x103c, 0x8c7f, "HP EliteBook 645 G11", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+	SND_PCI_QUIRK(0x103c, 0x8c80, "HP EliteBook 645 G11", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+	SND_PCI_QUIRK(0x103c, 0x8c81, "HP EliteBook 665 G11", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
 	SND_PCI_QUIRK(0x103c, 0x8c89, "HP ProBook 460 G11", ALC236_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x8c8a, "HP EliteBook 630", ALC236_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x8c8c, "HP EliteBook 660", ALC236_FIXUP_HP_GPIO_LED),

[PATCH 6.9 162/222] tty: mxser: Remove __counted_by from mxser_board.ports[]

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nathan Chancellor <nathan@kernel.org>

commit 1c07c9be87dd3dd0634033bf08728b32465f08fb upstream.

Work for __counted_by on generic pointers in structures (not just
flexible array members) has started landing in Clang 19 (current tip of
tree). During the development of this feature, a restriction was added
to __counted_by to prevent the flexible array member's element type from
including a flexible array member itself such as:

  struct foo {
    int count;
    char buf[];
  };

  struct bar {
    int count;
    struct foo data[] __counted_by(count);
  };

because the size of data cannot be calculated with the standard array
size formula:

  sizeof(struct foo) * count

This restriction was downgraded to a warning but due to CONFIG_WERROR,
it can still break the build. The application of __counted_by on the
ports member of 'struct mxser_board' triggers this restriction,
resulting in:

  drivers/tty/mxser.c:291:2: error: 'counted_by' should not be applied to an array with element of unknown size because 'struct mxser_port' is a struct type with a flexible array member. This will be an error in a future compiler version [-Werror,-Wbounds-safety-counted-by-elt-type-unknown-size]
    291 |         struct mxser_port ports[] __counted_by(nports);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~
  1 error generated.

Remove this use of __counted_by to fix the warning/error. However,
rather than remove it altogether, leave it commented, as it may be
possible to support this in future compiler releases.

Cc:  <stable@vger.kernel.org>
Closes: https://github.com/ClangBuiltLinux/linux/issues/2026
Fixes: f34907ecca71 ("mxser: Annotate struct mxser_board with __counted_by")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240529-drop-counted-by-ports-mxser-board-v1-1-0ab217f4da6d@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/mxser.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -288,7 +288,7 @@ struct mxser_board {
 	enum mxser_must_hwid must_hwid;
 	speed_t max_baud;
 
-	struct mxser_port ports[] __counted_by(nports);
+	struct mxser_port ports[] /* __counted_by(nports) */;
 };
 
 static DECLARE_BITMAP(mxser_boards, MXSER_BOARDS);

[PATCH 6.9 163/222] tty: mcf: MCF54418 has 10 UARTS

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>

commit 7c92a8bd53f24d50c8cf4aba53bb75505b382fed upstream.

Most of the colfires have up to 5 UARTs but MCF54418 has up-to 10 !
Change the maximum value authorized.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
Cc: stable <stable@kernel.org>
Fixes: 2545cf6e94b4 ("m68knommu: allow 4 coldfire serial ports")
Link: https://lore.kernel.org/r/20240620-upstream-uart-v1-1-a9d0d95fb19e@yoseli.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/serial/mcf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/tty/serial/mcf.c
+++ b/drivers/tty/serial/mcf.c
@@ -462,7 +462,7 @@ static const struct uart_ops mcf_uart_op
 	.verify_port	= mcf_verify_port,
 };
 
-static struct mcf_uart mcf_ports[4];
+static struct mcf_uart mcf_ports[10];
 
 #define	MCF_MAXPORTS	ARRAY_SIZE(mcf_ports)
 

[PATCH 6.9 164/222] net: can: j1939: Initialize unused data in j1939_send_one()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Shigeru Yoshida <syoshida@redhat.com>

commit b7cdf1dd5d2a2d8200efd98d1893684db48fe134 upstream.

syzbot reported kernel-infoleak in raw_recvmsg() [1]. j1939_send_one()
creates full frame including unused data, but it doesn't initialize
it. This causes the kernel-infoleak issue. Fix this by initializing
unused data.

[1]
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline]
BUG: KMSAN: kernel-infoleak in iterate_ubuf include/linux/iov_iter.h:29 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance include/linux/iov_iter.h:271 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x366/0x2520 lib/iov_iter.c:185
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 copy_to_user_iter lib/iov_iter.c:24 [inline]
 iterate_ubuf include/linux/iov_iter.h:29 [inline]
 iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
 iterate_and_advance include/linux/iov_iter.h:271 [inline]
 _copy_to_iter+0x366/0x2520 lib/iov_iter.c:185
 copy_to_iter include/linux/uio.h:196 [inline]
 memcpy_to_msg include/linux/skbuff.h:4113 [inline]
 raw_recvmsg+0x2b8/0x9e0 net/can/raw.c:1008
 sock_recvmsg_nosec net/socket.c:1046 [inline]
 sock_recvmsg+0x2c4/0x340 net/socket.c:1068
 ____sys_recvmsg+0x18a/0x620 net/socket.c:2803
 ___sys_recvmsg+0x223/0x840 net/socket.c:2845
 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939
 __sys_recvmmsg net/socket.c:3018 [inline]
 __do_sys_recvmmsg net/socket.c:3041 [inline]
 __se_sys_recvmmsg net/socket.c:3034 [inline]
 __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034
 x64_sys_call+0xf6c/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:300
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3804 [inline]
 slab_alloc_node mm/slub.c:3845 [inline]
 kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888
 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577
 __alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668
 alloc_skb include/linux/skbuff.h:1313 [inline]
 alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504
 sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795
 sock_alloc_send_skb include/net/sock.h:1842 [inline]
 j1939_sk_alloc_skb net/can/j1939/socket.c:878 [inline]
 j1939_sk_send_loop net/can/j1939/socket.c:1142 [inline]
 j1939_sk_sendmsg+0xc0a/0x2730 net/can/j1939/socket.c:1277
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x30f/0x380 net/socket.c:745
 ____sys_sendmsg+0x877/0xb60 net/socket.c:2584
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638
 __sys_sendmsg net/socket.c:2667 [inline]
 __do_sys_sendmsg net/socket.c:2676 [inline]
 __se_sys_sendmsg net/socket.c:2674 [inline]
 __x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2674
 x64_sys_call+0xc4b/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Bytes 12-15 of 16 are uninitialized
Memory access of size 16 starts at ffff888120969690
Data copied to user address 00000000200017c0

CPU: 1 PID: 5050 Comm: syz-executor198 Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024

Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Reported-and-tested-by: syzbot+5681e40d297b30f5b513@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=5681e40d297b30f5b513
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Link: https://lore.kernel.org/all/20240517035953.2617090-1-syoshida@redhat.com
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/can/j1939/main.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

--- a/net/can/j1939/main.c
+++ b/net/can/j1939/main.c
@@ -30,10 +30,6 @@ MODULE_ALIAS("can-proto-" __stringify(CA
 /* CAN_HDR: #bytes before can_frame data part */
 #define J1939_CAN_HDR (offsetof(struct can_frame, data))
 
-/* CAN_FTR: #bytes beyond data part */
-#define J1939_CAN_FTR (sizeof(struct can_frame) - J1939_CAN_HDR - \
-		 sizeof(((struct can_frame *)0)->data))
-
 /* lowest layer */
 static void j1939_can_recv(struct sk_buff *iskb, void *data)
 {
@@ -342,7 +338,7 @@ int j1939_send_one(struct j1939_priv *pr
 	memset(cf, 0, J1939_CAN_HDR);
 
 	/* make it a full can frame again */
-	skb_put(skb, J1939_CAN_FTR + (8 - dlc));
+	skb_put_zero(skb, 8 - dlc);
 
 	canid = CAN_EFF_FLAG |
 		(skcb->priority << 26) |

[PATCH 6.9 165/222] net: can: j1939: recover socket queue on CAN bus error during BAM transmission

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Oleksij Rempel <o.rempel@pengutronix.de>

commit 9ad1da14ab3bf23087ae45fe399d84a109ddb81a upstream.

Addresses an issue where a CAN bus error during a BAM transmission
could stall the socket queue, preventing further transmissions even
after the bus error is resolved. The fix activates the next queued
session after the error recovery, allowing communication to continue.

Fixes: 9d71dd0c70099 ("can: add support of SAE J1939 protocol")
Cc: stable@vger.kernel.org
Reported-by: Alexander Hölzl <alexander.hoelzl@gmx.net>
Tested-by: Alexander Hölzl <alexander.hoelzl@gmx.net>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20240528070648.1947203-1-o.rempel@pengutronix.de
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/can/j1939/transport.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1681,6 +1681,8 @@ static int j1939_xtp_rx_rts_session_acti
 
 		j1939_session_timers_cancel(session);
 		j1939_session_cancel(session, J1939_XTP_ABORT_BUSY);
+		if (session->transmission)
+			j1939_session_deactivate_activate_next(session);
 
 		return -EBUSY;
 	}

[PATCH 6.9 166/222] net: can: j1939: enhanced error handling for tightly received RTS messages in xtp_rx_rts_session_new

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Oleksij Rempel <o.rempel@pengutronix.de>

commit d3e2904f71ea0fe7eaff1d68a2b0363c888ea0fb upstream.

This patch enhances error handling in scenarios with RTS (Request to
Send) messages arriving closely. It replaces the less informative WARN_ON_ONCE
backtraces with a new error handling method. This provides clearer error
messages and allows for the early termination of problematic sessions.
Previously, sessions were only released at the end of j1939_xtp_rx_rts().

Potentially this could be reproduced with something like:
testj1939 -r vcan0:0x80 &
while true; do
	# send first RTS
	cansend vcan0 18EC8090#1014000303002301;
	# send second RTS
	cansend vcan0 18EC8090#1014000303002301;
	# send abort
	cansend vcan0 18EC8090#ff00000000002301;
done

Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Reported-by: syzbot+daa36413a5cedf799ae4@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20231117124959.961171-1-o.rempel@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/can/j1939/transport.c |   19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1593,8 +1593,8 @@ j1939_session *j1939_xtp_rx_rts_session_
 	struct j1939_sk_buff_cb skcb = *j1939_skb_to_cb(skb);
 	struct j1939_session *session;
 	const u8 *dat;
+	int len, ret;
 	pgn_t pgn;
-	int len;
 
 	netdev_dbg(priv->ndev, "%s\n", __func__);
 
@@ -1653,7 +1653,22 @@ j1939_session *j1939_xtp_rx_rts_session_
 	session->tskey = priv->rx_tskey++;
 	j1939_sk_errqueue(session, J1939_ERRQUEUE_RX_RTS);
 
-	WARN_ON_ONCE(j1939_session_activate(session));
+	ret = j1939_session_activate(session);
+	if (ret) {
+		/* Entering this scope indicates an issue with the J1939 bus.
+		 * Possible scenarios include:
+		 * - A time lapse occurred, and a new session was initiated
+		 *   due to another packet being sent correctly. This could
+		 *   have been caused by too long interrupt, debugger, or being
+		 *   out-scheduled by another task.
+		 * - The bus is receiving numerous erroneous packets, either
+		 *   from a malfunctioning device or during a test scenario.
+		 */
+		netdev_alert(priv->ndev, "%s: 0x%p: concurrent session with same addr (%02x %02x) is already active.\n",
+			     __func__, session, skcb.addr.sa, skcb.addr.da);
+		j1939_session_put(session);
+		return NULL;
+	}
 
 	return session;
 }

[PATCH 6.9 167/222] PCI/MSI: Fix UAF in msi_capability_init

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mostafa Saleh <smostafa@google.com>

commit 9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1 upstream.

KFENCE reports the following UAF:

 BUG: KFENCE: use-after-free read in __pci_enable_msi_range+0x2c0/0x488

 Use-after-free read at 0x0000000024629571 (in kfence-#12):
  __pci_enable_msi_range+0x2c0/0x488
  pci_alloc_irq_vectors_affinity+0xec/0x14c
  pci_alloc_irq_vectors+0x18/0x28

 kfence-#12: 0x0000000008614900-0x00000000e06c228d, size=104, cache=kmalloc-128

 allocated by task 81 on cpu 7 at 10.808142s:
  __kmem_cache_alloc_node+0x1f0/0x2bc
  kmalloc_trace+0x44/0x138
  msi_alloc_desc+0x3c/0x9c
  msi_domain_insert_msi_desc+0x30/0x78
  msi_setup_msi_desc+0x13c/0x184
  __pci_enable_msi_range+0x258/0x488
  pci_alloc_irq_vectors_affinity+0xec/0x14c
  pci_alloc_irq_vectors+0x18/0x28

 freed by task 81 on cpu 7 at 10.811436s:
  msi_domain_free_descs+0xd4/0x10c
  msi_domain_free_locked.part.0+0xc0/0x1d8
  msi_domain_alloc_irqs_all_locked+0xb4/0xbc
  pci_msi_setup_msi_irqs+0x30/0x4c
  __pci_enable_msi_range+0x2a8/0x488
  pci_alloc_irq_vectors_affinity+0xec/0x14c
  pci_alloc_irq_vectors+0x18/0x28

Descriptor allocation done in:
__pci_enable_msi_range
    msi_capability_init
        msi_setup_msi_desc
            msi_insert_msi_desc
                msi_domain_insert_msi_desc
                    msi_alloc_desc
                        ...

Freed in case of failure in __msi_domain_alloc_locked()
__pci_enable_msi_range
    msi_capability_init
        pci_msi_setup_msi_irqs
            msi_domain_alloc_irqs_all_locked
                msi_domain_alloc_locked
                    __msi_domain_alloc_locked => fails
                    msi_domain_free_locked
                        ...

That failure propagates back to pci_msi_setup_msi_irqs() in
msi_capability_init() which accesses the descriptor for unmasking in the
error exit path.

Cure it by copying the descriptor and using the copy for the error exit path
unmask operation.

[ tglx: Massaged change log ]

Fixes: bf6e054e0e3f ("genirq/msi: Provide msi_device_populate/destroy_sysfs()")
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Heelgas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240624203729.1094506-1-smostafa@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/pci/msi/msi.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -349,7 +349,7 @@ static int msi_capability_init(struct pc
 			       struct irq_affinity *affd)
 {
 	struct irq_affinity_desc *masks = NULL;
-	struct msi_desc *entry;
+	struct msi_desc *entry, desc;
 	int ret;
 
 	/* Reject multi-MSI early on irq domain enabled architectures */
@@ -374,6 +374,12 @@ static int msi_capability_init(struct pc
 	/* All MSIs are unmasked by default; mask them all */
 	entry = msi_first_desc(&dev->dev, MSI_DESC_ALL);
 	pci_msi_mask(entry, msi_multi_mask(entry));
+	/*
+	 * Copy the MSI descriptor for the error path because
+	 * pci_msi_setup_msi_irqs() will free it for the hierarchical
+	 * interrupt domain case.
+	 */
+	memcpy(&desc, entry, sizeof(desc));
 
 	/* Configure MSI capability structure */
 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);
@@ -393,7 +399,7 @@ static int msi_capability_init(struct pc
 	goto unlock;
 
 err:
-	pci_msi_unmask(entry, msi_multi_mask(entry));
+	pci_msi_unmask(&desc, msi_multi_mask(&desc));
 	pci_free_msi_irqs(dev);
 fail:
 	dev->msi_enabled = 0;

[PATCH 6.9 168/222] nvmet-fc: Remove __counted_by from nvmet_fc_tgt_queue.fod[]

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nathan Chancellor <nathan@kernel.org>

commit 440e2051c577896275c0e0513ec26964e04c7810 upstream.

Work for __counted_by on generic pointers in structures (not just
flexible array members) has started landing in Clang 19 (current tip of
tree). During the development of this feature, a restriction was added
to __counted_by to prevent the flexible array member's element type from
including a flexible array member itself such as:

  struct foo {
    int count;
    char buf[];
  };

  struct bar {
    int count;
    struct foo data[] __counted_by(count);
  };

because the size of data cannot be calculated with the standard array
size formula:

  sizeof(struct foo) * count

This restriction was downgraded to a warning but due to CONFIG_WERROR,
it can still break the build. The application of __counted_by on the fod
member of 'struct nvmet_fc_tgt_queue' triggers this restriction,
resulting in:

  drivers/nvme/target/fc.c:151:2: error: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Werror,-Wbounds-safety-counted-by-elt-type-unknown-size]
    151 |         struct nvmet_fc_fcp_iod         fod[] __counted_by(sqsize);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  1 error generated.

Remove this use of __counted_by to fix the warning/error. However,
rather than remove it altogether, leave it commented, as it may be
possible to support this in future compiler releases.

Cc: stable@vger.kernel.org
Closes: https://github.com/ClangBuiltLinux/linux/issues/2027
Fixes: ccd3129aca28 ("nvmet-fc: Annotate struct nvmet_fc_tgt_queue with __counted_by")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/nvme/target/fc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -148,7 +148,7 @@ struct nvmet_fc_tgt_queue {
 	struct workqueue_struct		*work_q;
 	struct kref			ref;
 	/* array of fcp_iods */
-	struct nvmet_fc_fcp_iod		fod[] __counted_by(sqsize);
+	struct nvmet_fc_fcp_iod		fod[] /* __counted_by(sqsize) */;
 } __aligned(sizeof(unsigned long long));
 
 struct nvmet_fc_hostport {

[PATCH 6.9 169/222] cpufreq: intel_pstate: Use HWP to initialize ITMT if CPPC is missing

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

commit a1ff59784b277795a613beaa5d3dd9c5595c69a7 upstream.

It is reported that single-thread performance on some hybrid systems
dropped significantly after commit 7feec7430edd ("ACPI: CPPC: Only probe
for _CPC if CPPC v2 is acked") which prevented _CPC from being used if
the support for it had not been confirmed by the platform firmware.

The problem is that if the platform firmware does not confirm CPPC v2
support, cppc_get_perf_caps() returns an error which prevents the
intel_pstate driver from enabling ITMT.  Consequently, the scheduler
does not get any hints on CPU performance differences, so in a hybrid
system some tasks may run on CPUs with lower capacity even though they
should be running on high-capacity CPUs.

To address this, modify intel_pstate to use the information from
MSR_HWP_CAPABILITIES to enable ITMT if CPPC is not available (which is
done already if the highest performance number coming from CPPC is not
realistic).

Fixes: 7feec7430edd ("ACPI: CPPC: Only probe for _CPC if CPPC v2 is acked")
Closes: https://lore.kernel.org/linux-acpi/d01b0a1f-bd33-47fe-ab41-43843d8a374f@kfocus.org
Link: https://lore.kernel.org/linux-acpi/ZnD22b3Br1ng7alf@kf-XE
Reported-by: Aaron Rainbolt <arainbolt@kfocus.org>
Tested-by: Aaron Rainbolt <arainbolt@kfocus.org>
Cc: 5.19+ <stable@vger.kernel.org> # 5.19+
Link: https://patch.msgid.link/12460110.O9o76ZdvQC@rjwysocki.net
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/cpufreq/intel_pstate.c |   13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -357,15 +357,14 @@ static void intel_pstate_set_itmt_prio(i
 	int ret;
 
 	ret = cppc_get_perf_caps(cpu, &cppc_perf);
-	if (ret)
-		return;
-
 	/*
-	 * On some systems with overclocking enabled, CPPC.highest_perf is hardcoded to 0xff.
-	 * In this case we can't use CPPC.highest_perf to enable ITMT.
-	 * In this case we can look at MSR_HWP_CAPABILITIES bits [8:0] to decide.
+	 * If CPPC is not available, fall back to MSR_HWP_CAPABILITIES bits [8:0].
+	 *
+	 * Also, on some systems with overclocking enabled, CPPC.highest_perf is
+	 * hardcoded to 0xff, so CPPC.highest_perf cannot be used to enable ITMT.
+	 * Fall back to MSR_HWP_CAPABILITIES then too.
 	 */
-	if (cppc_perf.highest_perf == CPPC_MAX_PERF)
+	if (ret || cppc_perf.highest_perf == CPPC_MAX_PERF)
 		cppc_perf.highest_perf = HWP_HIGHEST_PERF(READ_ONCE(all_cpu_data[cpu]->hwp_cap_cached));
 
 	/*

[PATCH 6.9 170/222] irqchip/loongson-eiointc: Use early_cpu_to_node() instead of cpu_to_node()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huacai Chen <chenhuacai@loongson.cn>

commit 2d64eaeeeda5659d52da1af79d237269ba3c2d2c upstream.

Multi-bridge machines required that all eiointc controllers in the system
are initialized, otherwise the system does not boot.

The initialization happens on the boot CPU during early boot and relies on
cpu_to_node() for identifying the individual nodes.

That works when the number of possible CPUs is large enough, but with a
command line limit, e.g. "nr_cpus=$N" for kdump, but fails when the CPUs
of the secondary nodes are not covered.

During early ACPI enumeration all CPU to node mappings are recorded up to
CONFIG_NR_CPUS. These are accessible via early_cpu_to_node() even in the
case that "nr_cpus=N" truncates the number of possible CPUs and only
provides the possible CPUs via cpu_to_node() translation.

Change the node lookup in the driver to use early_cpu_to_node() so that
even with a limitation on the number of possible CPUs all eointc instances
are initialized.

This can't obviously cure the case where CONFIG_NR_CPUS is too small.

[ tglx: Massaged changelog ]

Fixes: 64cc451e45e1 ("irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent")
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240623034113.1808727-1-chenhuacai@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/irqchip/irq-loongson-eiointc.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/irqchip/irq-loongson-eiointc.c
+++ b/drivers/irqchip/irq-loongson-eiointc.c
@@ -15,6 +15,7 @@
 #include <linux/irqchip/chained_irq.h>
 #include <linux/kernel.h>
 #include <linux/syscore_ops.h>
+#include <asm/numa.h>
 
 #define EIOINTC_REG_NODEMAP	0x14a0
 #define EIOINTC_REG_IPMAP	0x14c0
@@ -339,7 +340,7 @@ static int __init pch_msi_parse_madt(uni
 	int node;
 
 	if (cpu_has_flatmode)
-		node = cpu_to_node(eiointc_priv[nr_pics - 1]->node * CORES_PER_EIO_NODE);
+		node = early_cpu_to_node(eiointc_priv[nr_pics - 1]->node * CORES_PER_EIO_NODE);
 	else
 		node = eiointc_priv[nr_pics - 1]->node;
 
@@ -431,7 +432,7 @@ int __init eiointc_acpi_init(struct irq_
 		goto out_free_handle;
 
 	if (cpu_has_flatmode)
-		node = cpu_to_node(acpi_eiointc->node * CORES_PER_EIO_NODE);
+		node = early_cpu_to_node(acpi_eiointc->node * CORES_PER_EIO_NODE);
 	else
 		node = acpi_eiointc->node;
 	acpi_set_vec_parent(node, priv->eiointc_domain, pch_group);

[PATCH 6.9 171/222] cpu: Fix broken cmdline "nosmp" and "maxcpus=0"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huacai Chen <chenhuacai@loongson.cn>

commit 6ef8eb5125722c241fd60d7b0c872d5c2e5dd4ca upstream.

After the rework of "Parallel CPU bringup", the cmdline "nosmp" and
"maxcpus=0" parameters are not working anymore. These parameters set
setup_max_cpus to zero and that's handed to bringup_nonboot_cpus().

The code there does a decrement before checking for zero, which brings it
into the negative space and brings up all CPUs.

Add a zero check at the beginning of the function to prevent this.

[ tglx: Massaged change log ]

Fixes: 18415f33e2ac4ab382 ("cpu/hotplug: Allow "parallel" bringup up to CPUHP_BP_KICK_AP_STATE")
Fixes: 06c6796e0304234da6 ("cpu/hotplug: Fix off by one in cpuhp_bringup_mask()")
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240618081336.3996825-1-chenhuacai@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 kernel/cpu.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1859,6 +1859,9 @@ static inline bool cpuhp_bringup_cpus_pa
 
 void __init bringup_nonboot_cpus(unsigned int max_cpus)
 {
+	if (!max_cpus)
+		return;
+
 	/* Try parallel bringup optimization if enabled */
 	if (cpuhp_bringup_cpus_parallel(max_cpus))
 		return;

[PATCH 6.9 172/222] cpu/hotplug: Fix dynstate assignment in __cpuhp_setup_state_cpuslocked()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yuntao Wang <ytcoode@gmail.com>

commit 932d8476399f622aa0767a4a0a9e78e5341dc0e1 upstream.

Commit 4205e4786d0b ("cpu/hotplug: Provide dynamic range for prepare
stage") added a dynamic range for the prepare states, but did not handle
the assignment of the dynstate variable in __cpuhp_setup_state_cpuslocked().

This causes the corresponding startup callback not to be invoked when
calling __cpuhp_setup_state_cpuslocked() with the CPUHP_BP_PREPARE_DYN
parameter, even though it should be.

Currently, the users of __cpuhp_setup_state_cpuslocked(), for one reason or
another, have not triggered this bug.

Fixes: 4205e4786d0b ("cpu/hotplug: Provide dynamic range for prepare stage")
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240515134554.427071-1-ytcoode@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 kernel/cpu.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -2449,7 +2449,7 @@ EXPORT_SYMBOL_GPL(__cpuhp_state_add_inst
  * The caller needs to hold cpus read locked while calling this function.
  * Return:
  *   On success:
- *      Positive state number if @state is CPUHP_AP_ONLINE_DYN;
+ *      Positive state number if @state is CPUHP_AP_ONLINE_DYN or CPUHP_BP_PREPARE_DYN;
  *      0 for all other states
  *   On failure: proper (negative) error code
  */
@@ -2472,7 +2472,7 @@ int __cpuhp_setup_state_cpuslocked(enum
 	ret = cpuhp_store_callbacks(state, name, startup, teardown,
 				    multi_instance);
 
-	dynstate = state == CPUHP_AP_ONLINE_DYN;
+	dynstate = state == CPUHP_AP_ONLINE_DYN || state == CPUHP_BP_PREPARE_DYN;
 	if (ret > 0 && dynstate) {
 		state = ret;
 		ret = 0;
@@ -2503,8 +2503,8 @@ int __cpuhp_setup_state_cpuslocked(enum
 out:
 	mutex_unlock(&cpuhp_state_mutex);
 	/*
-	 * If the requested state is CPUHP_AP_ONLINE_DYN, return the
-	 * dynamically allocated state in case of success.
+	 * If the requested state is CPUHP_AP_ONLINE_DYN or CPUHP_BP_PREPARE_DYN,
+	 * return the dynamically allocated state in case of success.
 	 */
 	if (!ret && dynstate)
 		return state;

[PATCH 6.9 173/222] irqchip/loongson-liointc: Set different ISRs for different cores

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huacai Chen <chenhuacai@loongson.cn>

commit a9c3ee5d0fdb069b54902300df6ac822027f3b0a upstream.

The liointc hardware provides separate Interrupt Status Registers (ISR) for
each core. The current code uses always the ISR of core #0, which works
during boot because by default all interrupts are routed to core #0.

When the interrupt routing changes in the firmware configuration then this
causes interrupts to be lost because they are not configured in the
corresponding core.

Use the core index to access the correct ISR instead of a hardcoded 0.

[ tglx: Massaged changelog ]

Fixes: 0858ed035a85 ("irqchip/loongson-liointc: Add ACPI init support")
Co-developed-by: Tianli Xiong <xiongtianli@loongson.cn>
Signed-off-by: Tianli Xiong <xiongtianli@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20240622043338.1566945-1-chenhuacai@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/irqchip/irq-loongson-liointc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/irqchip/irq-loongson-liointc.c
+++ b/drivers/irqchip/irq-loongson-liointc.c
@@ -28,7 +28,7 @@
 
 #define LIOINTC_INTC_CHIP_START	0x20
 
-#define LIOINTC_REG_INTC_STATUS	(LIOINTC_INTC_CHIP_START + 0x20)
+#define LIOINTC_REG_INTC_STATUS(core)	(LIOINTC_INTC_CHIP_START + 0x20 + (core) * 8)
 #define LIOINTC_REG_INTC_EN_STATUS	(LIOINTC_INTC_CHIP_START + 0x04)
 #define LIOINTC_REG_INTC_ENABLE	(LIOINTC_INTC_CHIP_START + 0x08)
 #define LIOINTC_REG_INTC_DISABLE	(LIOINTC_INTC_CHIP_START + 0x0c)
@@ -217,7 +217,7 @@ static int liointc_init(phys_addr_t addr
 		goto out_free_priv;
 
 	for (i = 0; i < LIOINTC_NUM_CORES; i++)
-		priv->core_isr[i] = base + LIOINTC_REG_INTC_STATUS;
+		priv->core_isr[i] = base + LIOINTC_REG_INTC_STATUS(i);
 
 	for (i = 0; i < LIOINTC_NUM_PARENT; i++)
 		priv->handler[i].parent_int_map = parent_int_map[i];

[PATCH 6.9 174/222] kbuild: Install dtb files as 0644 in Makefile.dtbinst

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dragan Simic <dsimic@manjaro.org>

commit 9cc5f3bf63aa98bd7cc7ce8a8599077fde13283e upstream.

The compiled dtb files aren't executable, so install them with 0644 as their
permission mode, instead of defaulting to 0755 for the permission mode and
installing them with the executable bits set.

Some Linux distributions, including Debian, [1][2][3] already include fixes
in their kernel package build recipes to change the dtb file permissions to
0644 in their kernel packages.  These changes, when additionally propagated
into the long-term kernel versions, will allow such distributions to remove
their downstream fixes.

[1] https://salsa.debian.org/kernel-team/linux/-/merge_requests/642
[2] https://salsa.debian.org/kernel-team/linux/-/merge_requests/749
[3] https://salsa.debian.org/kernel-team/linux/-/blob/debian/6.8.12-1/debian/rules.real#L193

Cc: Diederik de Haas <didi.debian@cknow.org>
Cc: <stable@vger.kernel.org>
Fixes: aefd80307a05 ("kbuild: refactor Makefile.dtbinst more")
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 scripts/Makefile.dtbinst |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -17,7 +17,7 @@ include $(srctree)/scripts/Kbuild.includ
 dst := $(INSTALL_DTBS_PATH)
 
 quiet_cmd_dtb_install = INSTALL $@
-      cmd_dtb_install = install -D $< $@
+      cmd_dtb_install = install -D -m 0644 $< $@
 
 $(dst)/%: $(obj)/%
 	$(call cmd,dtb_install)

[PATCH 6.9 175/222] sh: rework sync_file_range ABI

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit 30766f1105d6d2459c3b9fe34a3e52b637a72950 upstream.

The unusual function calling conventions on SuperH ended up causing
sync_file_range to have the wrong argument order, with the 'flags'
argument getting sorted before 'nbytes' by the compiler.

In userspace, I found that musl, glibc, uclibc and strace all expect the
normal calling conventions with 'nbytes' last, so changing the kernel
to match them should make all of those work.

In order to be able to also fix libc implementations to work with existing
kernels, they need to be able to tell which ABI is used. An easy way
to do this is to add yet another system call using the sync_file_range2
ABI that works the same on all architectures.

Old user binaries can now work on new kernels, and new binaries can
try the new sync_file_range2() to work with new kernels or fall back
to the old sync_file_range() version if that doesn't exist.

Cc: stable@vger.kernel.org
Fixes: 75c92acdd5b1 ("sh: Wire up new syscalls.")
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/sh/kernel/sys_sh32.c           |   11 +++++++++++
 arch/sh/kernel/syscalls/syscall.tbl |    3 ++-
 2 files changed, 13 insertions(+), 1 deletion(-)

--- a/arch/sh/kernel/sys_sh32.c
+++ b/arch/sh/kernel/sys_sh32.c
@@ -59,3 +59,14 @@ asmlinkage int sys_fadvise64_64_wrapper(
 				 (u64)len0 << 32 | len1, advice);
 #endif
 }
+
+/*
+ * swap the arguments the way that libc wants them instead of
+ * moving flags ahead of the 64-bit nbytes argument
+ */
+SYSCALL_DEFINE6(sh_sync_file_range6, int, fd, SC_ARG64(offset),
+                SC_ARG64(nbytes), unsigned int, flags)
+{
+        return ksys_sync_file_range(fd, SC_VAL64(loff_t, offset),
+                                    SC_VAL64(loff_t, nbytes), flags);
+}
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -321,7 +321,7 @@
 311	common	set_robust_list			sys_set_robust_list
 312	common	get_robust_list			sys_get_robust_list
 313	common	splice				sys_splice
-314	common	sync_file_range			sys_sync_file_range
+314	common	sync_file_range			sys_sh_sync_file_range6
 315	common	tee				sys_tee
 316	common	vmsplice			sys_vmsplice
 317	common	move_pages			sys_move_pages
@@ -395,6 +395,7 @@
 385	common	pkey_alloc			sys_pkey_alloc
 386	common	pkey_free			sys_pkey_free
 387	common	rseq				sys_rseq
+388	common	sync_file_range2		sys_sync_file_range2
 # room for arch specific syscalls
 393	common	semget				sys_semget
 394	common	semctl				sys_semctl

[PATCH 6.9 176/222] btrfs: zoned: fix initial free space detection

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Naohiro Aota <naohiro.aota@wdc.com>

commit b9fd2affe4aa99a4ca14ee87e1f38fea22ece52a upstream.

When creating a new block group, it calls btrfs_add_new_free_space() to add
the entire block group range into the free space accounting.
__btrfs_add_free_space_zoned() checks if size == block_group->length to
detect the initial free space adding, and proceed that case properly.

However, if the zone_capacity == zone_size and the over-write speed is fast
enough, the entire zone can be over-written within one transaction. That
confuses __btrfs_add_free_space_zoned() to handle it as an initial free
space accounting. As a result, that block group becomes a strange state: 0
used bytes, 0 zone_unusable bytes, but alloc_offset == zone_capacity (no
allocation anymore).

The initial free space accounting can properly be checked by checking
alloc_offset too.

Fixes: 98173255bddd ("btrfs: zoned: calculate free space from zone capacity")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/btrfs/free-space-cache.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2697,7 +2697,7 @@ static int __btrfs_add_free_space_zoned(
 	u64 offset = bytenr - block_group->start;
 	u64 to_free, to_unusable;
 	int bg_reclaim_threshold = 0;
-	bool initial = (size == block_group->length);
+	bool initial = ((size == block_group->length) && (block_group->alloc_offset == 0));
 	u64 reclaimable_unusable;
 
 	WARN_ON(!initial && offset + size > block_group->zone_capacity);

[PATCH 6.9 177/222] csky, hexagon: fix broken sys_sync_file_range

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit 3339b99ef6fe38dac43b534cba3a8a0e29fb2eff upstream.

Both of these architectures require u64 function arguments to be
passed in even/odd pairs of registers or stack slots, which in case of
sync_file_range would result in a seven-argument system call that is
not currently possible. The system call is therefore incompatible with
all existing binaries.

While it would be possible to implement support for seven arguments
like on mips, it seems better to use a six-argument version, either
with the normal argument order but misaligned as on most architectures
or with the reordered sync_file_range2() calling conventions as on
arm and powerpc.

Cc: stable@vger.kernel.org
Acked-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/csky/include/uapi/asm/unistd.h    |    1 +
 arch/hexagon/include/uapi/asm/unistd.h |    1 +
 2 files changed, 2 insertions(+)

--- a/arch/csky/include/uapi/asm/unistd.h
+++ b/arch/csky/include/uapi/asm/unistd.h
@@ -6,6 +6,7 @@
 #define __ARCH_WANT_SYS_CLONE3
 #define __ARCH_WANT_SET_GET_RLIMIT
 #define __ARCH_WANT_TIME32_SYSCALLS
+#define __ARCH_WANT_SYNC_FILE_RANGE2
 #include <asm-generic/unistd.h>
 
 #define __NR_set_thread_area	(__NR_arch_specific_syscall + 0)
--- a/arch/hexagon/include/uapi/asm/unistd.h
+++ b/arch/hexagon/include/uapi/asm/unistd.h
@@ -36,5 +36,6 @@
 #define __ARCH_WANT_SYS_VFORK
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_TIME32_SYSCALLS
+#define __ARCH_WANT_SYNC_FILE_RANGE2
 
 #include <asm-generic/unistd.h>

[PATCH 6.9 178/222] hexagon: fix fadvise64_64 calling conventions

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit 896842284c6ccba25ec9d78b7b6e62cdd507c083 upstream.

fadvise64_64() has two 64-bit arguments at the wrong alignment
for hexagon, which turns them into a 7-argument syscall that is
not supported by Linux.

The downstream musl port for hexagon actually asks for a 6-argument
version the same way we do it on arm, csky, powerpc, so make the
kernel do it the same way to avoid having to change both.

Link: https://github.com/quic/musl/blob/hexagon/arch/hexagon/syscall_arch.h#L78
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/hexagon/include/asm/syscalls.h |    6 ++++++
 arch/hexagon/kernel/syscalltab.c    |    7 +++++++
 2 files changed, 13 insertions(+)
 create mode 100644 arch/hexagon/include/asm/syscalls.h

--- /dev/null
+++ b/arch/hexagon/include/asm/syscalls.h
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <asm-generic/syscalls.h>
+
+asmlinkage long sys_hexagon_fadvise64_64(int fd, int advice,
+	                                  u32 a2, u32 a3, u32 a4, u32 a5);
--- a/arch/hexagon/kernel/syscalltab.c
+++ b/arch/hexagon/kernel/syscalltab.c
@@ -14,6 +14,13 @@
 #undef __SYSCALL
 #define __SYSCALL(nr, call) [nr] = (call),
 
+SYSCALL_DEFINE6(hexagon_fadvise64_64, int, fd, int, advice,
+		SC_ARG64(offset), SC_ARG64(len))
+{
+	return ksys_fadvise64_64(fd, SC_VAL64(loff_t, offset), SC_VAL64(loff_t, len), advice);
+}
+#define sys_fadvise64_64 sys_hexagon_fadvise64_64
+
 void *sys_call_table[__NR_syscalls] = {
 #include <asm/unistd.h>
 };

[PATCH 6.9 179/222] drm/drm_file: Fix pid refcounting race

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jann Horn <jannh@google.com>

commit 4f2a129b33a2054e62273edd5a051c34c08d96e9 upstream.

<maarten.lankhorst@linux.intel.com>, Maxime Ripard
<mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>

filp->pid is supposed to be a refcounted pointer; however, before this
patch, drm_file_update_pid() only increments the refcount of a struct
pid after storing a pointer to it in filp->pid and dropping the
dev->filelist_mutex, making the following race possible:

process A               process B
=========               =========
                        begin drm_file_update_pid
                        mutex_lock(&dev->filelist_mutex)
                        rcu_replace_pointer(filp->pid, <pid B>, 1)
                        mutex_unlock(&dev->filelist_mutex)
begin drm_file_update_pid
mutex_lock(&dev->filelist_mutex)
rcu_replace_pointer(filp->pid, <pid A>, 1)
mutex_unlock(&dev->filelist_mutex)
get_pid(<pid A>)
synchronize_rcu()
put_pid(<pid B>)   *** pid B reaches refcount 0 and is freed here ***
                        get_pid(<pid B>)   *** UAF ***
                        synchronize_rcu()
                        put_pid(<pid A>)

As far as I know, this race can only occur with CONFIG_PREEMPT_RCU=y
because it requires RCU to detect a quiescent state in code that is not
explicitly calling into the scheduler.

This race leads to use-after-free of a "struct pid".
It is probably somewhat hard to hit because process A has to pass
through a synchronize_rcu() operation while process B is between
mutex_unlock() and get_pid().

Fix it by ensuring that by the time a pointer to the current task's pid
is stored in the file, an extra reference to the pid has been taken.

This fix also removes the condition for synchronize_rcu(); I think
that optimization is unnecessary complexity, since in that case we
would usually have bailed out on the lockless check above.

Fixes: 1c7a387ffef8 ("drm: Update file owner during use")
Cc: <stable@vger.kernel.org>
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/drm_file.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -469,14 +469,12 @@ void drm_file_update_pid(struct drm_file
 
 	dev = filp->minor->dev;
 	mutex_lock(&dev->filelist_mutex);
+	get_pid(pid);
 	old = rcu_replace_pointer(filp->pid, pid, 1);
 	mutex_unlock(&dev->filelist_mutex);
 
-	if (pid != old) {
-		get_pid(pid);
-		synchronize_rcu();
-		put_pid(old);
-	}
+	synchronize_rcu();
+	put_pid(old);
 }
 
 /**

[PATCH 6.9 180/222] drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_ld_modes

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ma Ke <make24@iscas.ac.cn>

commit 66edf3fb331b6c55439b10f9862987b0916b3726 upstream.

In nv17_tv_get_ld_modes(), the return value of drm_mode_duplicate() is
assigned to mode, which will lead to a possible NULL pointer dereference
on failure of drm_mode_duplicate(). Add a check to avoid npd.

Cc: stable@vger.kernel.org
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240625081828.2620794-1-make24@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/nouveau/dispnv04/tvnv17.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
@@ -209,6 +209,8 @@ static int nv17_tv_get_ld_modes(struct d
 		struct drm_display_mode *mode;
 
 		mode = drm_mode_duplicate(encoder->dev, tv_mode);
+		if (!mode)
+			continue;
 
 		mode->clock = tv_norm->tv_enc_mode.vrefresh *
 			mode->htotal / 1000 *

[PATCH 6.9 181/222] drm/fbdev-dma: Only set smem_start is enable per module option

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Zimmermann <tzimmermann@suse.de>

commit d92a7580392ad4681b1d4f9275d00b95375ebe01 upstream.

Only export struct fb_info.fix.smem_start if that is required by the
user and the memory does not come from vmalloc().

Setting struct fb_info.fix.smem_start breaks systems where DMA
memory is backed by vmalloc address space. An example error is
shown below.

[    3.536043] ------------[ cut here ]------------
[    3.540716] virt_to_phys used for non-linear address: 000000007fc4f540 (0xffff800086001000)
[    3.552628] WARNING: CPU: 4 PID: 61 at arch/arm64/mm/physaddr.c:12 __virt_to_phys+0x68/0x98
[    3.565455] Modules linked in:
[    3.568525] CPU: 4 PID: 61 Comm: kworker/u12:5 Not tainted 6.6.23-06226-g4986cc3e1b75-dirty #250
[    3.577310] Hardware name: NXP i.MX95 19X19 board (DT)
[    3.582452] Workqueue: events_unbound deferred_probe_work_func
[    3.588291] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    3.595233] pc : __virt_to_phys+0x68/0x98
[    3.599246] lr : __virt_to_phys+0x68/0x98
[    3.603276] sp : ffff800083603990
[    3.677939] Call trace:
[    3.680393]  __virt_to_phys+0x68/0x98
[    3.684067]  drm_fbdev_dma_helper_fb_probe+0x138/0x238
[    3.689214]  __drm_fb_helper_initial_config_and_unlock+0x2b0/0x4c0
[    3.695385]  drm_fb_helper_initial_config+0x4c/0x68
[    3.700264]  drm_fbdev_dma_client_hotplug+0x8c/0xe0
[    3.705161]  drm_client_register+0x60/0xb0
[    3.709269]  drm_fbdev_dma_setup+0x94/0x148

Additionally, DMA memory is assumed to by contiguous in physical
address space, which is not guaranteed by vmalloc().

Resolve this by checking the module flag drm_leak_fbdev_smem when
DRM allocated the instance of struct fb_info. Fbdev-dma then only
sets smem_start only if required (via FBINFO_HIDE_SMEM_START). Also
guarantee that the framebuffer is not located in vmalloc address
space.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reported-by: Peng Fan (OSS) <peng.fan@oss.nxp.com>
Closes: https://lore.kernel.org/dri-devel/20240604080328.4024838-1-peng.fan@oss.nxp.com/
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Closes: https://lore.kernel.org/dri-devel/CAMuHMdX3N0szUvt1VTbroa2zrT1Nye_VzPb5qqCZ7z5gSm7HGw@mail.gmail.com/
Fixes: a51c7663f144 ("drm/fb-helper: Consolidate CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM")
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> # v6.4+
Link: https://patchwork.freedesktop.org/patch/msgid/20240617152843.11886-1-tzimmermann@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/drm_fb_helper.c |    6 +++---
 drivers/gpu/drm/drm_fbdev_dma.c |    5 ++++-
 2 files changed, 7 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -524,6 +524,9 @@ struct fb_info *drm_fb_helper_alloc_info
 	if (!info)
 		return ERR_PTR(-ENOMEM);
 
+	if (!drm_leak_fbdev_smem)
+		info->flags |= FBINFO_HIDE_SMEM_START;
+
 	ret = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (ret)
 		goto err_release;
@@ -1860,9 +1863,6 @@ __drm_fb_helper_initial_config_and_unloc
 	info = fb_helper->info;
 	info->var.pixclock = 0;
 
-	if (!drm_leak_fbdev_smem)
-		info->flags |= FBINFO_HIDE_SMEM_START;
-
 	/* Need to drop locks to avoid recursive deadlock in
 	 * register_framebuffer. This is ok because the only thing left to do is
 	 * register the fbdev emulation instance in kernel_fb_helper_list. */
--- a/drivers/gpu/drm/drm_fbdev_dma.c
+++ b/drivers/gpu/drm/drm_fbdev_dma.c
@@ -130,7 +130,10 @@ static int drm_fbdev_dma_helper_fb_probe
 		info->flags |= FBINFO_READS_FAST; /* signal caching */
 	info->screen_size = sizes->surface_height * fb->pitches[0];
 	info->screen_buffer = map.vaddr;
-	info->fix.smem_start = page_to_phys(virt_to_page(info->screen_buffer));
+	if (!(info->flags & FBINFO_HIDE_SMEM_START)) {
+		if (!drm_WARN_ON(dev, is_vmalloc_addr(info->screen_buffer)))
+			info->fix.smem_start = page_to_phys(virt_to_page(info->screen_buffer));
+	}
 	info->fix.smem_len = info->screen_size;
 
 	return 0;

[PATCH 6.9 182/222] drm/amdgpu: avoid using null object of framebuffer

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Julia Zhang <julia.zhang@amd.com>

commit bcfa48ff785bd121316592b131ff6531e3e696bb upstream.

Instead of using state->fb->obj[0] directly, get object from framebuffer
by calling drm_gem_fb_get_obj() and return error code when object is
null to avoid using null object of framebuffer.

Reported-by: Fusheng Huang <fusheng.huang@ecarxgroup.com>
Signed-off-by: Julia Zhang <Julia.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c |   18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
@@ -3,6 +3,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_vblank.h>
 
 #include "amdgpu.h"
@@ -314,7 +315,13 @@ static int amdgpu_vkms_prepare_fb(struct
 		return 0;
 	}
 	afb = to_amdgpu_framebuffer(new_state->fb);
-	obj = new_state->fb->obj[0];
+
+	obj = drm_gem_fb_get_obj(new_state->fb, 0);
+	if (!obj) {
+		DRM_ERROR("Failed to get obj from framebuffer\n");
+		return -EINVAL;
+	}
+
 	rbo = gem_to_amdgpu_bo(obj);
 	adev = amdgpu_ttm_adev(rbo->tbo.bdev);
 
@@ -368,12 +375,19 @@ static void amdgpu_vkms_cleanup_fb(struc
 				   struct drm_plane_state *old_state)
 {
 	struct amdgpu_bo *rbo;
+	struct drm_gem_object *obj;
 	int r;
 
 	if (!old_state->fb)
 		return;
 
-	rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]);
+	obj = drm_gem_fb_get_obj(old_state->fb, 0);
+	if (!obj) {
+		DRM_ERROR("Failed to get obj from framebuffer\n");
+		return;
+	}
+
+	rbo = gem_to_amdgpu_bo(obj);
 	r = amdgpu_bo_reserve(rbo, false);
 	if (unlikely(r)) {
 		DRM_ERROR("failed to reserve rbo before unpin\n");

[PATCH 6.9 183/222] drm/i915/gt: Fix potential UAF by revoke of fence registers

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>

commit 996c3412a06578e9d779a16b9e79ace18125ab50 upstream.

CI has been sporadically reporting the following issue triggered by
igt@i915_selftest@live@hangcheck on ADL-P and similar machines:

<6> [414.049203] i915: Running intel_hangcheck_live_selftests/igt_reset_evict_fence
...
<6> [414.068804] i915 0000:00:02.0: [drm] GT0: GUC: submission enabled
<6> [414.068812] i915 0000:00:02.0: [drm] GT0: GUC: SLPC enabled
<3> [414.070354] Unable to pin Y-tiled fence; err:-4
<3> [414.071282] i915_vma_revoke_fence:301 GEM_BUG_ON(!i915_active_is_idle(&fence->active))
...
<4>[  609.603992] ------------[ cut here ]------------
<2>[  609.603995] kernel BUG at drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c:301!
<4>[  609.604003] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
<4>[  609.604006] CPU: 0 PID: 268 Comm: kworker/u64:3 Tainted: G     U  W          6.9.0-CI_DRM_14785-g1ba62f8cea9c+ #1
<4>[  609.604008] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-P DDR4 RVP, BIOS RPLPFWI1.R00.4035.A00.2301200723 01/20/2023
<4>[  609.604010] Workqueue: i915 __i915_gem_free_work [i915]
<4>[  609.604149] RIP: 0010:i915_vma_revoke_fence+0x187/0x1f0 [i915]
...
<4>[  609.604271] Call Trace:
<4>[  609.604273]  <TASK>
...
<4>[  609.604716]  __i915_vma_evict+0x2e9/0x550 [i915]
<4>[  609.604852]  __i915_vma_unbind+0x7c/0x160 [i915]
<4>[  609.604977]  force_unbind+0x24/0xa0 [i915]
<4>[  609.605098]  i915_vma_destroy+0x2f/0xa0 [i915]
<4>[  609.605210]  __i915_gem_object_pages_fini+0x51/0x2f0 [i915]
<4>[  609.605330]  __i915_gem_free_objects.isra.0+0x6a/0xc0 [i915]
<4>[  609.605440]  process_scheduled_works+0x351/0x690
...

In the past, there were similar failures reported by CI from other IGT
tests, observed on other platforms.

Before commit 63baf4f3d587 ("drm/i915/gt: Only wait for GPU activity
before unbinding a GGTT fence"), i915_vma_revoke_fence() was waiting for
idleness of vma->active via fence_update().   That commit introduced
vma->fence->active in order for the fence_update() to be able to wait
selectively on that one instead of vma->active since only idleness of
fence registers was needed.  But then, another commit 0d86ee35097a
("drm/i915/gt: Make fence revocation unequivocal") replaced the call to
fence_update() in i915_vma_revoke_fence() with only fence_write(), and
also added that GEM_BUG_ON(!i915_active_is_idle(&fence->active)) in front.
No justification was provided on why we might then expect idleness of
vma->fence->active without first waiting on it.

The issue can be potentially caused by a race among revocation of fence
registers on one side and sequential execution of signal callbacks invoked
on completion of a request that was using them on the other, still
processed in parallel to revocation of those fence registers.  Fix it by
waiting for idleness of vma->fence->active in i915_vma_revoke_fence().

Fixes: 0d86ee35097a ("drm/i915/gt: Make fence revocation unequivocal")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/10021
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: stable@vger.kernel.org # v5.8+
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240603195446.297690-2-janusz.krzysztofik@linux.intel.com
(cherry picked from commit 24bb052d3dd499c5956abad5f7d8e4fd07da7fb1)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
@@ -298,6 +298,7 @@ void i915_vma_revoke_fence(struct i915_v
 		return;
 
 	GEM_BUG_ON(fence->vma != vma);
+	i915_active_wait(&fence->active);
 	GEM_BUG_ON(!i915_active_is_idle(&fence->active));
 	GEM_BUG_ON(atomic_read(&fence->pin_count));
 

[PATCH 6.9 184/222] drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_hd_modes

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ma Ke <make24@iscas.ac.cn>

commit 6d411c8ccc0137a612e0044489030a194ff5c843 upstream.

In nv17_tv_get_hd_modes(), the return value of drm_mode_duplicate() is
assigned to mode, which will lead to a possible NULL pointer dereference
on failure of drm_mode_duplicate(). The same applies to drm_cvt_mode().
Add a check to avoid null pointer dereference.

Cc: stable@vger.kernel.org
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240625081029.2619437-1-make24@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/nouveau/dispnv04/tvnv17.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
@@ -260,6 +260,8 @@ static int nv17_tv_get_hd_modes(struct d
 		if (modes[i].hdisplay == output_mode->hdisplay &&
 		    modes[i].vdisplay == output_mode->vdisplay) {
 			mode = drm_mode_duplicate(encoder->dev, output_mode);
+			if (!mode)
+				continue;
 			mode->type |= DRM_MODE_TYPE_PREFERRED;
 
 		} else {
@@ -267,6 +269,8 @@ static int nv17_tv_get_hd_modes(struct d
 					    modes[i].vdisplay, 60, false,
 					    (output_mode->flags &
 					     DRM_MODE_FLAG_INTERLACE), false);
+			if (!mode)
+				continue;
 		}
 
 		/* CVT modes are sometimes unsuitable... */

[PATCH 6.9 185/222] drm/amd/display: Send DP_TOTAL_LTTPR_CNT during detection if LTTPR is present

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Strauss <michael.strauss@amd.com>

commit 2ec6c7f802332d1eff16f03e7c757f1543ee1183 upstream.

[WHY]
New register field added in DP2.1 SCR, needed for auxless ALPM

[HOW]
Echo value read from 0xF0007 back to sink

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c |   10 +++++++++-
 drivers/gpu/drm/amd/display/include/dpcd_defs.h                    |    5 +++++
 2 files changed, 14 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -1590,9 +1590,17 @@ static bool retrieve_link_cap(struct dc_
 			return false;
 	}
 
-	if (dp_is_lttpr_present(link))
+	if (dp_is_lttpr_present(link)) {
 		configure_lttpr_mode_transparent(link);
 
+		// Echo TOTAL_LTTPR_CNT back downstream
+		core_link_write_dpcd(
+				link,
+				DP_TOTAL_LTTPR_CNT,
+				&link->dpcd_caps.lttpr_caps.phy_repeater_cnt,
+				sizeof(link->dpcd_caps.lttpr_caps.phy_repeater_cnt));
+	}
+
 	/* Read DP tunneling information. */
 	status = dpcd_get_tunneling_device_data(link);
 
--- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h
+++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
@@ -177,4 +177,9 @@ enum dpcd_psr_sink_states {
 #define DP_SINK_PR_PIXEL_DEVIATION_PER_LINE     0x379
 #define DP_SINK_PR_MAX_NUMBER_OF_DEVIATION_LINE 0x37A
 
+/* Remove once drm_dp_helper.h is updated upstream */
+#ifndef DP_TOTAL_LTTPR_CNT
+#define DP_TOTAL_LTTPR_CNT                                  0xF000A /* 2.1 */
+#endif
+
 #endif /* __DAL_DPCD_DEFS_H__ */

[PATCH 6.9 186/222] drm/amdgpu/atomfirmware: fix parsing of vram_info

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@amd.com>

commit f6f49dda49db72e7a0b4ca32c77391d5ff5ce232 upstream.

v3.x changed the how vram width was encoded.  The previous
implementation actually worked correctly for most boards.
Fix the implementation to work correctly everywhere.

This fixes the vram width reported in the kernel log on
some boards.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -399,7 +399,7 @@ amdgpu_atomfirmware_get_vram_info(struct
 					mem_channel_number = vram_info->v30.channel_num;
 					mem_channel_width = vram_info->v30.channel_width;
 					if (vram_width)
-						*vram_width = mem_channel_number * (1 << mem_channel_width);
+						*vram_width = mem_channel_number * 16;
 					break;
 				default:
 					return -EINVAL;

[PATCH 6.9 187/222] io_uring: signal SQPOLL task_work with TWA_SIGNAL_NO_IPI

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jens Axboe <axboe@kernel.dk>

commit dbcabac138fdfc730ba458ed2199ff1f29a271fc upstream.

Before SQPOLL was transitioned to managing its own task_work, the core
used TWA_SIGNAL_NO_IPI to ensure that task_work was processed. If not,
we can't be sure that all task_work is processed at SQPOLL thread exit
time.

Fixes: af5d68f8892f ("io_uring/sqpoll: manage task_work privately")
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 io_uring/io_uring.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1374,8 +1374,8 @@ static void io_req_normal_work_add(struc
 	if (ctx->flags & IORING_SETUP_SQPOLL) {
 		struct io_sq_data *sqd = ctx->sq_data;
 
-		if (wq_has_sleeper(&sqd->wait))
-			wake_up(&sqd->wait);
+		if (sqd->thread)
+			__set_notify_signal(sqd->thread);
 		return;
 	}
 

[PATCH 6.9 188/222] batman-adv: Dont accept TT entries for out-of-spec VIDs

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sven Eckelmann <sven@narfation.org>

commit 537a350d14321c8cca5efbf0a33a404fec3a9f9e upstream.

The internal handling of VLAN IDs in batman-adv is only specified for
following encodings:

* VLAN is used
  - bit 15 is 1
  - bit 11 - bit 0 is the VLAN ID (0-4095)
  - remaining bits are 0
* No VLAN is used
  - bit 15 is 0
  - remaining bits are 0

batman-adv was only preparing new translation table entries (based on its
soft interface information) using this encoding format. But the receive
path was never checking if entries in the roam or TT TVLVs were also
following this encoding.

It was therefore possible to create more than the expected maximum of 4096
+ 1 entries in the originator VLAN list. Simply by setting the "remaining
bits" to "random" values in corresponding TVLV.

Cc: stable@vger.kernel.org
Fixes: 7ea7b4a14275 ("batman-adv: make the TT CRC logic VLAN specific")
Reported-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/batman-adv/originator.c |   27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <linux/etherdevice.h>
 #include <linux/gfp.h>
+#include <linux/if_vlan.h>
 #include <linux/jiffies.h>
 #include <linux/kref.h>
 #include <linux/list.h>
@@ -132,6 +133,29 @@ batadv_orig_node_vlan_get(struct batadv_
 }
 
 /**
+ * batadv_vlan_id_valid() - check if vlan id is in valid batman-adv encoding
+ * @vid: the VLAN identifier
+ *
+ * Return: true when either no vlan is set or if VLAN is in correct range,
+ *  false otherwise
+ */
+static bool batadv_vlan_id_valid(unsigned short vid)
+{
+	unsigned short non_vlan = vid & ~(BATADV_VLAN_HAS_TAG | VLAN_VID_MASK);
+
+	if (vid == 0)
+		return true;
+
+	if (!(vid & BATADV_VLAN_HAS_TAG))
+		return false;
+
+	if (non_vlan)
+		return false;
+
+	return true;
+}
+
+/**
  * batadv_orig_node_vlan_new() - search and possibly create an orig_node_vlan
  *  object
  * @orig_node: the originator serving the VLAN
@@ -149,6 +173,9 @@ batadv_orig_node_vlan_new(struct batadv_
 {
 	struct batadv_orig_node_vlan *vlan;
 
+	if (!batadv_vlan_id_valid(vid))
+		return NULL;
+
 	spin_lock_bh(&orig_node->vlan_list_lock);
 
 	/* first look if an object for this vid already exists */

[PATCH 6.9 189/222] can: mcp251xfd: fix infinite loop when xmit fails

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vitor Soares <vitor.soares@toradex.com>

commit d8fb63e46c884c898a38f061c2330f7729e75510 upstream.

When the mcp251xfd_start_xmit() function fails, the driver stops
processing messages, and the interrupt routine does not return,
running indefinitely even after killing the running application.

Error messages:
[  441.298819] mcp251xfd spi2.0 can0: ERROR in mcp251xfd_start_xmit: -16
[  441.306498] mcp251xfd spi2.0 can0: Transmit Event FIFO buffer not empty. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).
... and repeat forever.

The issue can be triggered when multiple devices share the same SPI
interface. And there is concurrent access to the bus.

The problem occurs because tx_ring->head increments even if
mcp251xfd_start_xmit() fails. Consequently, the driver skips one TX
package while still expecting a response in
mcp251xfd_handle_tefif_one().

Resolve the issue by starting a workqueue to write the tx obj
synchronously if err = -EBUSY. In case of another error, decrement
tx_ring->head, remove skb from the echo stack, and drop the message.

Fixes: 55e5b97f003e ("can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN")
Cc: stable@vger.kernel.org
Signed-off-by: Vitor Soares <vitor.soares@toradex.com>
Link: https://lore.kernel.org/all/20240517134355.770777-1-ivitro@gmail.com
[mkl: use more imperative wording in patch description]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c |   14 +++++-
 drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c   |   55 +++++++++++++++++++++----
 drivers/net/can/spi/mcp251xfd/mcp251xfd.h      |    5 ++
 3 files changed, 65 insertions(+), 9 deletions(-)

--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
@@ -1618,11 +1618,20 @@ static int mcp251xfd_open(struct net_dev
 	clear_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
 	can_rx_offload_enable(&priv->offload);
 
+	priv->wq = alloc_ordered_workqueue("%s-mcp251xfd_wq",
+					   WQ_FREEZABLE | WQ_MEM_RECLAIM,
+					   dev_name(&spi->dev));
+	if (!priv->wq) {
+		err = -ENOMEM;
+		goto out_can_rx_offload_disable;
+	}
+	INIT_WORK(&priv->tx_work, mcp251xfd_tx_obj_write_sync);
+
 	err = request_threaded_irq(spi->irq, NULL, mcp251xfd_irq,
 				   IRQF_SHARED | IRQF_ONESHOT,
 				   dev_name(&spi->dev), priv);
 	if (err)
-		goto out_can_rx_offload_disable;
+		goto out_destroy_workqueue;
 
 	err = mcp251xfd_chip_interrupts_enable(priv);
 	if (err)
@@ -1634,6 +1643,8 @@ static int mcp251xfd_open(struct net_dev
 
  out_free_irq:
 	free_irq(spi->irq, priv);
+ out_destroy_workqueue:
+	destroy_workqueue(priv->wq);
  out_can_rx_offload_disable:
 	can_rx_offload_disable(&priv->offload);
 	set_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
@@ -1661,6 +1672,7 @@ static int mcp251xfd_stop(struct net_dev
 	hrtimer_cancel(&priv->tx_irq_timer);
 	mcp251xfd_chip_interrupts_disable(priv);
 	free_irq(ndev->irq, priv);
+	destroy_workqueue(priv->wq);
 	can_rx_offload_disable(&priv->offload);
 	mcp251xfd_timestamp_stop(priv);
 	mcp251xfd_chip_stop(priv, CAN_STATE_STOPPED);
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c
@@ -131,6 +131,39 @@ mcp251xfd_tx_obj_from_skb(const struct m
 	tx_obj->xfer[0].len = len;
 }
 
+static void mcp251xfd_tx_failure_drop(const struct mcp251xfd_priv *priv,
+				      struct mcp251xfd_tx_ring *tx_ring,
+				      int err)
+{
+	struct net_device *ndev = priv->ndev;
+	struct net_device_stats *stats = &ndev->stats;
+	unsigned int frame_len = 0;
+	u8 tx_head;
+
+	tx_ring->head--;
+	stats->tx_dropped++;
+	tx_head = mcp251xfd_get_tx_head(tx_ring);
+	can_free_echo_skb(ndev, tx_head, &frame_len);
+	netdev_completed_queue(ndev, 1, frame_len);
+	netif_wake_queue(ndev);
+
+	if (net_ratelimit())
+		netdev_err(priv->ndev, "ERROR in %s: %d\n", __func__, err);
+}
+
+void mcp251xfd_tx_obj_write_sync(struct work_struct *work)
+{
+	struct mcp251xfd_priv *priv = container_of(work, struct mcp251xfd_priv,
+						   tx_work);
+	struct mcp251xfd_tx_obj *tx_obj = priv->tx_work_obj;
+	struct mcp251xfd_tx_ring *tx_ring = priv->tx;
+	int err;
+
+	err = spi_sync(priv->spi, &tx_obj->msg);
+	if (err)
+		mcp251xfd_tx_failure_drop(priv, tx_ring, err);
+}
+
 static int mcp251xfd_tx_obj_write(const struct mcp251xfd_priv *priv,
 				  struct mcp251xfd_tx_obj *tx_obj)
 {
@@ -162,6 +195,11 @@ static bool mcp251xfd_tx_busy(const stru
 	return false;
 }
 
+static bool mcp251xfd_work_busy(struct work_struct *work)
+{
+	return work_busy(work);
+}
+
 netdev_tx_t mcp251xfd_start_xmit(struct sk_buff *skb,
 				 struct net_device *ndev)
 {
@@ -175,7 +213,8 @@ netdev_tx_t mcp251xfd_start_xmit(struct
 	if (can_dev_dropped_skb(ndev, skb))
 		return NETDEV_TX_OK;
 
-	if (mcp251xfd_tx_busy(priv, tx_ring))
+	if (mcp251xfd_tx_busy(priv, tx_ring) ||
+	    mcp251xfd_work_busy(&priv->tx_work))
 		return NETDEV_TX_BUSY;
 
 	tx_obj = mcp251xfd_get_tx_obj_next(tx_ring);
@@ -193,13 +232,13 @@ netdev_tx_t mcp251xfd_start_xmit(struct
 		netdev_sent_queue(priv->ndev, frame_len);
 
 	err = mcp251xfd_tx_obj_write(priv, tx_obj);
-	if (err)
-		goto out_err;
-
-	return NETDEV_TX_OK;
-
- out_err:
-	netdev_err(priv->ndev, "ERROR in %s: %d\n", __func__, err);
+	if (err == -EBUSY) {
+		netif_stop_queue(ndev);
+		priv->tx_work_obj = tx_obj;
+		queue_work(priv->wq, &priv->tx_work);
+	} else if (err) {
+		mcp251xfd_tx_failure_drop(priv, tx_ring, err);
+	}
 
 	return NETDEV_TX_OK;
 }
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd.h
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd.h
@@ -633,6 +633,10 @@ struct mcp251xfd_priv {
 	struct mcp251xfd_rx_ring *rx[MCP251XFD_FIFO_RX_NUM];
 	struct mcp251xfd_tx_ring tx[MCP251XFD_FIFO_TX_NUM];
 
+	struct workqueue_struct *wq;
+	struct work_struct tx_work;
+	struct mcp251xfd_tx_obj *tx_work_obj;
+
 	DECLARE_BITMAP(flags, __MCP251XFD_FLAGS_SIZE__);
 
 	u8 rx_ring_num;
@@ -952,6 +956,7 @@ void mcp251xfd_skb_set_timestamp(const s
 void mcp251xfd_timestamp_init(struct mcp251xfd_priv *priv);
 void mcp251xfd_timestamp_stop(struct mcp251xfd_priv *priv);
 
+void mcp251xfd_tx_obj_write_sync(struct work_struct *work);
 netdev_tx_t mcp251xfd_start_xmit(struct sk_buff *skb,
 				 struct net_device *ndev);
 

[PATCH 6.9 190/222] ata: ahci: Clean up sysfs file on error

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Niklas Cassel <cassel@kernel.org>

commit eeb25a09c5e0805d92e4ebd12c4b0ad0df1b0295 upstream.

.probe() (ahci_init_one()) calls sysfs_add_file_to_group(), however,
if probe() fails after this call, we currently never call
sysfs_remove_file_from_group().

(The sysfs_remove_file_from_group() call in .remove() (ahci_remove_one())
does not help, as .remove() is not called on .probe() error.)

Thus, if probe() fails after the sysfs_add_file_to_group() call, the next
time we insmod the module we will get:

sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:04.0/remapped_nvme'
CPU: 11 PID: 954 Comm: modprobe Not tainted 6.10.0-rc5 #43
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x5d/0x80
 sysfs_warn_dup.cold+0x17/0x23
 sysfs_add_file_mode_ns+0x11a/0x130
 sysfs_add_file_to_group+0x7e/0xc0
 ahci_init_one+0x31f/0xd40 [ahci]

Fixes: 894fba7f434a ("ata: ahci: Add sysfs attribute to show remapped NVMe device count")
Cc: stable@vger.kernel.org
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240629124210.181537-10-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/ata/ahci.c |   17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1975,8 +1975,10 @@ static int ahci_init_one(struct pci_dev
 	n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
 
 	host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
-	if (!host)
-		return -ENOMEM;
+	if (!host) {
+		rc = -ENOMEM;
+		goto err_rm_sysfs_file;
+	}
 	host->private_data = hpriv;
 
 	if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
@@ -2031,11 +2033,11 @@ static int ahci_init_one(struct pci_dev
 	/* initialize adapter */
 	rc = ahci_configure_dma_masks(pdev, hpriv);
 	if (rc)
-		return rc;
+		goto err_rm_sysfs_file;
 
 	rc = ahci_pci_reset_controller(host);
 	if (rc)
-		return rc;
+		goto err_rm_sysfs_file;
 
 	ahci_pci_init_controller(host);
 	ahci_pci_print_info(host);
@@ -2044,10 +2046,15 @@ static int ahci_init_one(struct pci_dev
 
 	rc = ahci_host_activate(host, &ahci_sht);
 	if (rc)
-		return rc;
+		goto err_rm_sysfs_file;
 
 	pm_runtime_put_noidle(&pdev->dev);
 	return 0;
+
+err_rm_sysfs_file:
+	sysfs_remove_file_from_group(&pdev->dev.kobj,
+				     &dev_attr_remapped_nvme.attr, NULL);
+	return rc;
 }
 
 static void ahci_shutdown_one(struct pci_dev *pdev)

[PATCH 6.9 191/222] ata: libata-core: Add ATA_HORKAGE_NOLPM for all Crucial BX SSD1 models

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Niklas Cassel <cassel@kernel.org>

commit 1066fe825987da007669d7c25306b4dbb50bd7dd upstream.

We got another report that CT1000BX500SSD1 does not work with LPM.

If you look in libata-core.c, we have six different Crucial devices that
are marked with ATA_HORKAGE_NOLPM. This model would have been the seventh.
(This quirk is used on Crucial models starting with both CT* and
Crucial_CT*)

It is obvious that this vendor does not have a great history of supporting
LPM properly, therefore, add the ATA_HORKAGE_NOLPM quirk for all Crucial
BX SSD1 models.

Fixes: 7627a0edef54 ("ata: ahci: Drop low power policy board type")
Cc: stable@vger.kernel.org
Reported-by: Alessandro Maggio <alex.tkd.alex@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218832
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240627105551.4159447-2-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/ata/libata-core.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4181,8 +4181,7 @@ static const struct ata_blacklist_entry
 	{ "PIONEER BD-RW   BDR-205",	NULL,	ATA_HORKAGE_NOLPM },
 
 	/* Crucial devices with broken LPM support */
-	{ "CT500BX100SSD1",		NULL,	ATA_HORKAGE_NOLPM },
-	{ "CT240BX500SSD1",		NULL,	ATA_HORKAGE_NOLPM },
+	{ "CT*0BX*00SSD1",		NULL,	ATA_HORKAGE_NOLPM },
 
 	/* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */
 	{ "Crucial_CT512MX100*",	"MU01",	ATA_HORKAGE_NO_NCQ_TRIM |

[PATCH 6.9 192/222] ata: libata-core: Fix double free on error

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Niklas Cassel <cassel@kernel.org>

commit ab9e0c529eb7cafebdd31fe1644524e80a48b05d upstream.

If e.g. the ata_port_alloc() call in ata_host_alloc() fails, we will jump
to the err_out label, which will call devres_release_group().
devres_release_group() will trigger a call to ata_host_release().
ata_host_release() calls kfree(host), so executing the kfree(host) in
ata_host_alloc() will lead to a double free:

kernel BUG at mm/slub.c:553!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 11 PID: 599 Comm: (udev-worker) Not tainted 6.10.0-rc5 #47
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014
RIP: 0010:kfree+0x2cf/0x2f0
Code: 5d 41 5e 41 5f 5d e9 80 d6 ff ff 4d 89 f1 41 b8 01 00 00 00 48 89 d9 48 89 da
RSP: 0018:ffffc90000f377f0 EFLAGS: 00010246
RAX: ffff888112b1f2c0 RBX: ffff888112b1f2c0 RCX: ffff888112b1f320
RDX: 000000000000400b RSI: ffffffffc02c9de5 RDI: ffff888112b1f2c0
RBP: ffffc90000f37830 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90000f37610 R11: 617461203a736b6e R12: ffffea00044ac780
R13: ffff888100046400 R14: ffffffffc02c9de5 R15: 0000000000000006
FS:  00007f2f1cabe980(0000) GS:ffff88813b380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2f1c3acf75 CR3: 0000000111724000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
 <TASK>
 ? __die_body.cold+0x19/0x27
 ? die+0x2e/0x50
 ? do_trap+0xca/0x110
 ? do_error_trap+0x6a/0x90
 ? kfree+0x2cf/0x2f0
 ? exc_invalid_op+0x50/0x70
 ? kfree+0x2cf/0x2f0
 ? asm_exc_invalid_op+0x1a/0x20
 ? ata_host_alloc+0xf5/0x120 [libata]
 ? ata_host_alloc+0xf5/0x120 [libata]
 ? kfree+0x2cf/0x2f0
 ata_host_alloc+0xf5/0x120 [libata]
 ata_host_alloc_pinfo+0x14/0xa0 [libata]
 ahci_init_one+0x6c9/0xd20 [ahci]

Ensure that we will not call kfree(host) twice, by performing the kfree()
only if the devres_open_group() call failed.

Fixes: dafd6c496381 ("libata: ensure host is free'd on error exit paths")
Cc: stable@vger.kernel.org
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240629124210.181537-9-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/ata/libata-core.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5621,8 +5621,10 @@ struct ata_host *ata_host_alloc(struct d
 	if (!host)
 		return NULL;
 
-	if (!devres_open_group(dev, NULL, GFP_KERNEL))
-		goto err_free;
+	if (!devres_open_group(dev, NULL, GFP_KERNEL)) {
+		kfree(host);
+		return NULL;
+	}
 
 	dr = devres_alloc(ata_devres_release, 0, GFP_KERNEL);
 	if (!dr)
@@ -5654,8 +5656,6 @@ struct ata_host *ata_host_alloc(struct d
 
  err_out:
 	devres_release_group(dev, NULL);
- err_free:
-	kfree(host);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(ata_host_alloc);

[PATCH 6.9 193/222] ftruncate: pass a signed offset

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit 4b8e88e563b5f666446d002ad0dc1e6e8e7102b0 upstream.

The old ftruncate() syscall, using the 32-bit off_t misses a sign
extension when called in compat mode on 64-bit architectures.  As a
result, passing a negative length accidentally succeeds in truncating
to file size between 2GiB and 4GiB.

Changing the type of the compat syscall to the signed compat_off_t
changes the behavior so it instead returns -EINVAL.

The native entry point, the truncate() syscall and the corresponding
loff_t based variants are all correct already and do not suffer
from this mistake.

Fixes: 3f6d078d4acc ("fix compat truncate/ftruncate")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/open.c                |    4 ++--
 include/linux/compat.h   |    2 +-
 include/linux/syscalls.h |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

--- a/fs/open.c
+++ b/fs/open.c
@@ -202,13 +202,13 @@ long do_sys_ftruncate(unsigned int fd, l
 	return error;
 }
 
-SYSCALL_DEFINE2(ftruncate, unsigned int, fd, unsigned long, length)
+SYSCALL_DEFINE2(ftruncate, unsigned int, fd, off_t, length)
 {
 	return do_sys_ftruncate(fd, length, 1);
 }
 
 #ifdef CONFIG_COMPAT
-COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_ulong_t, length)
+COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_off_t, length)
 {
 	return do_sys_ftruncate(fd, length, 1);
 }
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -608,7 +608,7 @@ asmlinkage long compat_sys_fstatfs(unsig
 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
 				     struct compat_statfs64 __user *buf);
 asmlinkage long compat_sys_truncate(const char __user *, compat_off_t);
-asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t);
+asmlinkage long compat_sys_ftruncate(unsigned int, compat_off_t);
 /* No generic prototype for truncate64, ftruncate64, fallocate */
 asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
 				  int flags, umode_t mode);
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -418,7 +418,7 @@ asmlinkage long sys_listmount(const stru
 			      u64 __user *mnt_ids, size_t nr_mnt_ids,
 			      unsigned int flags);
 asmlinkage long sys_truncate(const char __user *path, long length);
-asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
+asmlinkage long sys_ftruncate(unsigned int fd, off_t length);
 #if BITS_PER_LONG == 32
 asmlinkage long sys_truncate64(const char __user *path, loff_t length);
 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);

[PATCH 6.9 194/222] syscalls: fix compat_sys_io_pgetevents_time64 usage

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit d3882564a77c21eb746ba5364f3fa89b88de3d61 upstream.

Using sys_io_pgetevents() as the entry point for compat mode tasks
works almost correctly, but misses the sign extension for the min_nr
and nr arguments.

This was addressed on parisc by switching to
compat_sys_io_pgetevents_time64() in commit 6431e92fc827 ("parisc:
io_pgetevents_time64() needs compat syscall in 32-bit compat mode"),
as well as by using more sophisticated system call wrappers on x86 and
s390. However, arm64, mips, powerpc, sparc and riscv still have the
same bug.

Change all of them over to use compat_sys_io_pgetevents_time64()
like parisc already does. This was clearly the intention when the
function was originally added, but it got hooked up incorrectly in
the tables.

Cc: stable@vger.kernel.org
Fixes: 48166e6ea47d ("y2038: add 64-bit time_t syscalls to all 32-bit architectures")
Acked-by: Heiko Carstens <hca@linux.ibm.com> # s390
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/arm64/include/asm/unistd32.h         |    2 +-
 arch/mips/kernel/syscalls/syscall_n32.tbl |    2 +-
 arch/mips/kernel/syscalls/syscall_o32.tbl |    2 +-
 arch/powerpc/kernel/syscalls/syscall.tbl  |    2 +-
 arch/s390/kernel/syscalls/syscall.tbl     |    2 +-
 arch/sparc/kernel/syscalls/syscall.tbl    |    2 +-
 arch/x86/entry/syscalls/syscall_32.tbl    |    2 +-
 include/uapi/asm-generic/unistd.h         |    2 +-
 kernel/sys_ni.c                           |    2 +-
 9 files changed, 9 insertions(+), 9 deletions(-)

--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -840,7 +840,7 @@ __SYSCALL(__NR_pselect6_time64, compat_s
 #define __NR_ppoll_time64 414
 __SYSCALL(__NR_ppoll_time64, compat_sys_ppoll_time64)
 #define __NR_io_pgetevents_time64 416
-__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents)
+__SYSCALL(__NR_io_pgetevents_time64, compat_sys_io_pgetevents_time64)
 #define __NR_recvmmsg_time64 417
 __SYSCALL(__NR_recvmmsg_time64, compat_sys_recvmmsg_time64)
 #define __NR_mq_timedsend_time64 418
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -354,7 +354,7 @@
 412	n32	utimensat_time64		sys_utimensat
 413	n32	pselect6_time64			compat_sys_pselect6_time64
 414	n32	ppoll_time64			compat_sys_ppoll_time64
-416	n32	io_pgetevents_time64		sys_io_pgetevents
+416	n32	io_pgetevents_time64		compat_sys_io_pgetevents_time64
 417	n32	recvmmsg_time64			compat_sys_recvmmsg_time64
 418	n32	mq_timedsend_time64		sys_mq_timedsend
 419	n32	mq_timedreceive_time64		sys_mq_timedreceive
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -403,7 +403,7 @@
 412	o32	utimensat_time64		sys_utimensat			sys_utimensat
 413	o32	pselect6_time64			sys_pselect6			compat_sys_pselect6_time64
 414	o32	ppoll_time64			sys_ppoll			compat_sys_ppoll_time64
-416	o32	io_pgetevents_time64		sys_io_pgetevents		sys_io_pgetevents
+416	o32	io_pgetevents_time64		sys_io_pgetevents		compat_sys_io_pgetevents_time64
 417	o32	recvmmsg_time64			sys_recvmmsg			compat_sys_recvmmsg_time64
 418	o32	mq_timedsend_time64		sys_mq_timedsend		sys_mq_timedsend
 419	o32	mq_timedreceive_time64		sys_mq_timedreceive		sys_mq_timedreceive
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -506,7 +506,7 @@
 412	32	utimensat_time64		sys_utimensat			sys_utimensat
 413	32	pselect6_time64			sys_pselect6			compat_sys_pselect6_time64
 414	32	ppoll_time64			sys_ppoll			compat_sys_ppoll_time64
-416	32	io_pgetevents_time64		sys_io_pgetevents		sys_io_pgetevents
+416	32	io_pgetevents_time64		sys_io_pgetevents		compat_sys_io_pgetevents_time64
 417	32	recvmmsg_time64			sys_recvmmsg			compat_sys_recvmmsg_time64
 418	32	mq_timedsend_time64		sys_mq_timedsend		sys_mq_timedsend
 419	32	mq_timedreceive_time64		sys_mq_timedreceive		sys_mq_timedreceive
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -418,7 +418,7 @@
 412	32	utimensat_time64	-				sys_utimensat
 413	32	pselect6_time64		-				compat_sys_pselect6_time64
 414	32	ppoll_time64		-				compat_sys_ppoll_time64
-416	32	io_pgetevents_time64	-				sys_io_pgetevents
+416	32	io_pgetevents_time64	-				compat_sys_io_pgetevents_time64
 417	32	recvmmsg_time64		-				compat_sys_recvmmsg_time64
 418	32	mq_timedsend_time64	-				sys_mq_timedsend
 419	32	mq_timedreceive_time64	-				sys_mq_timedreceive
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -461,7 +461,7 @@
 412	32	utimensat_time64		sys_utimensat			sys_utimensat
 413	32	pselect6_time64			sys_pselect6			compat_sys_pselect6_time64
 414	32	ppoll_time64			sys_ppoll			compat_sys_ppoll_time64
-416	32	io_pgetevents_time64		sys_io_pgetevents		sys_io_pgetevents
+416	32	io_pgetevents_time64		sys_io_pgetevents		compat_sys_io_pgetevents_time64
 417	32	recvmmsg_time64			sys_recvmmsg			compat_sys_recvmmsg_time64
 418	32	mq_timedsend_time64		sys_mq_timedsend		sys_mq_timedsend
 419	32	mq_timedreceive_time64		sys_mq_timedreceive		sys_mq_timedreceive
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -420,7 +420,7 @@
 412	i386	utimensat_time64	sys_utimensat
 413	i386	pselect6_time64		sys_pselect6			compat_sys_pselect6_time64
 414	i386	ppoll_time64		sys_ppoll			compat_sys_ppoll_time64
-416	i386	io_pgetevents_time64	sys_io_pgetevents
+416	i386	io_pgetevents_time64	sys_io_pgetevents		compat_sys_io_pgetevents_time64
 417	i386	recvmmsg_time64		sys_recvmmsg			compat_sys_recvmmsg_time64
 418	i386	mq_timedsend_time64	sys_mq_timedsend
 419	i386	mq_timedreceive_time64	sys_mq_timedreceive
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -737,7 +737,7 @@ __SC_COMP(__NR_pselect6_time64, sys_psel
 #define __NR_ppoll_time64 414
 __SC_COMP(__NR_ppoll_time64, sys_ppoll, compat_sys_ppoll_time64)
 #define __NR_io_pgetevents_time64 416
-__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents)
+__SC_COMP(__NR_io_pgetevents_time64, sys_io_pgetevents, compat_sys_io_pgetevents_time64)
 #define __NR_recvmmsg_time64 417
 __SC_COMP(__NR_recvmmsg_time64, sys_recvmmsg, compat_sys_recvmmsg_time64)
 #define __NR_mq_timedsend_time64 418
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -46,8 +46,8 @@ COND_SYSCALL(io_getevents_time32);
 COND_SYSCALL(io_getevents);
 COND_SYSCALL(io_pgetevents_time32);
 COND_SYSCALL(io_pgetevents);
-COND_SYSCALL_COMPAT(io_pgetevents_time32);
 COND_SYSCALL_COMPAT(io_pgetevents);
+COND_SYSCALL_COMPAT(io_pgetevents_time64);
 COND_SYSCALL(io_uring_setup);
 COND_SYSCALL(io_uring_enter);
 COND_SYSCALL(io_uring_register);

[PATCH 6.9 195/222] syscalls: fix sys_fanotify_mark prototype

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 63e2f40c9e3187641afacde4153f54b3ee4dbc8c ]

My earlier fix missed an incorrect function prototype that shows up on
native 32-bit builds:

In file included from fs/notify/fanotify/fanotify_user.c:14:
include/linux/syscalls.h:248:25: error: conflicting types for 'sys_fanotify_mark'; have 'long int(int,  unsigned int,  u32,  u32,  int,  const char *)' {aka 'long int(int,  unsigned int,  unsigned int,  unsigned int,  int,  const char *)'}
 1924 | SYSCALL32_DEFINE6(fanotify_mark,
      | ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:862:17: note: previous declaration of 'sys_fanotify_mark' with type 'long int(int,  unsigned int,  u64,  int, const char *)' {aka 'long int(int,  unsigned int,  long long unsigned int,  int,  const char *)'}

On x86 and powerpc, the prototype is also wrong but hidden in an #ifdef,
so it never caused problems.

Add another alternative declaration that matches the conditional function
definition.

Fixes: 403f17a33073 ("parisc: use generic sys_fanotify_mark implementation")
Cc: stable@vger.kernel.org
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/syscalls.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 1f3d710afe4d7..ac3db59a74e23 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -858,9 +858,15 @@ asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
 				const struct rlimit64 __user *new_rlim,
 				struct rlimit64 __user *old_rlim);
 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
+#if defined(CONFIG_ARCH_SPLIT_ARG64)
+asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
+                                unsigned int mask_1, unsigned int mask_2,
+				int dfd, const char  __user * pathname);
+#else
 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
 				  u64 mask, int fd,
 				  const char  __user *pathname);
+#endif
 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
 				      struct file_handle __user *handle,
 				      int __user *mnt_id, int flag);
-- 
2.43.0

[PATCH 6.9 196/222] bcachefs: Fix sb_field_downgrade validation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kent.overstreet@linux.dev>

commit 692aa7a54b2b28d59f24b3bf8250837805484b99 upstream.

- bch2_sb_downgrade_validate() wasn't checking for a downgrade entry
  extending past the end of the superblock section

- for_each_downgrade_entry() is used in to_text() and needs to work on
  malformed input; it also was missing a check for a field extending
  past the end of the section

Reported-by: syzbot+e49ccab73449180bc9be@syzkaller.appspotmail.com
Fixes: 84f1638795da ("bcachefs: bch_sb_field_downgrade")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/bcachefs/sb-downgrade.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/fs/bcachefs/sb-downgrade.c
+++ b/fs/bcachefs/sb-downgrade.c
@@ -134,7 +134,8 @@ downgrade_entry_next_c(const struct bch_
 #define for_each_downgrade_entry(_d, _i)						\
 	for (const struct bch_sb_field_downgrade_entry *_i = (_d)->entries;		\
 	     (void *) _i	< vstruct_end(&(_d)->field) &&				\
-	     (void *) &_i->errors[0] < vstruct_end(&(_d)->field);			\
+	     (void *) &_i->errors[0] <= vstruct_end(&(_d)->field) &&			\
+	     (void *) downgrade_entry_next_c(_i) <= vstruct_end(&(_d)->field);		\
 	     _i = downgrade_entry_next_c(_i))
 
 static int bch2_sb_downgrade_validate(struct bch_sb *sb, struct bch_sb_field *f,
@@ -142,7 +143,9 @@ static int bch2_sb_downgrade_validate(st
 {
 	struct bch_sb_field_downgrade *e = field_to_type(f, downgrade);
 
-	for_each_downgrade_entry(e, i) {
+	for (const struct bch_sb_field_downgrade_entry *i = e->entries;
+	     (void *) i	< vstruct_end(&e->field);
+	     i = downgrade_entry_next_c(i)) {
 		if (BCH_VERSION_MAJOR(le16_to_cpu(i->version)) !=
 		    BCH_VERSION_MAJOR(le16_to_cpu(sb->version))) {
 			prt_printf(err, "downgrade entry with mismatched major version (%u != %u)",

[PATCH 6.9 197/222] bcachefs: Fix sb-downgrade validation

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kent.overstreet@linux.dev>

commit 9242a34b760648b722f4958749ad83ef7d0f7525 upstream.

Superblock downgrade entries are only two byte aligned, but section
sizes are 8 byte aligned, which means we have to be careful about
overrun checks; an entry that crosses the end of the section is allowed
(and ignored) as long as it has zero errors.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/bcachefs/sb-downgrade.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/fs/bcachefs/sb-downgrade.c
+++ b/fs/bcachefs/sb-downgrade.c
@@ -146,6 +146,14 @@ static int bch2_sb_downgrade_validate(st
 	for (const struct bch_sb_field_downgrade_entry *i = e->entries;
 	     (void *) i	< vstruct_end(&e->field);
 	     i = downgrade_entry_next_c(i)) {
+		/*
+		 * Careful: sb_field_downgrade_entry is only 2 byte aligned, but
+		 * section sizes are 8 byte aligned - an empty entry spanning
+		 * the end of the section is allowed (and ignored):
+		 */
+		if ((void *) &i->errors[0] > vstruct_end(&e->field))
+			break;
+
 		if (BCH_VERSION_MAJOR(le16_to_cpu(i->version)) !=
 		    BCH_VERSION_MAJOR(le16_to_cpu(sb->version))) {
 			prt_printf(err, "downgrade entry with mismatched major version (%u != %u)",

[PATCH 6.9 198/222] bcachefs: Fix bch2_sb_downgrade_update()

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kent.overstreet@linux.dev>

commit ddd118ab45e848b1956ef8c8ef84963a554b5b58 upstream.

Missing enum conversion

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/bcachefs/sb-downgrade.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/bcachefs/sb-downgrade.c
+++ b/fs/bcachefs/sb-downgrade.c
@@ -225,7 +225,7 @@ int bch2_sb_downgrade_update(struct bch_
 
 		dst = (void *) &darray_top(table);
 		dst->version = cpu_to_le16(src->version);
-		dst->recovery_passes[0]	= cpu_to_le64(src->recovery_passes);
+		dst->recovery_passes[0]	= cpu_to_le64(bch2_recovery_passes_to_stable(src->recovery_passes));
 		dst->recovery_passes[1]	= 0;
 		dst->nr_errors		= cpu_to_le16(src->nr_errors);
 		for (unsigned i = 0; i < src->nr_errors; i++)

[PATCH 6.9 199/222] bcachefs: Fix setting of downgrade recovery passes/errors

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kent.overstreet@linux.dev>

commit 247c056bde2ebc9fad2fc62332dc7cc99b58d720 upstream.

bch2_check_version_downgrade() was setting c->sb.version, which
bch2_sb_set_downgrade() expects to be at the previous version; and it
shouldn't even have been set directly because c->sb.version is updated
by write_super().

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/bcachefs/super-io.c |   12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -1123,18 +1123,12 @@ bool bch2_check_version_downgrade(struct
 	 * c->sb will be checked before we write the superblock, so update it as
 	 * well:
 	 */
-	if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) > bcachefs_metadata_version_current) {
+	if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) > bcachefs_metadata_version_current)
 		SET_BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb, bcachefs_metadata_version_current);
-		c->sb.version_upgrade_complete = bcachefs_metadata_version_current;
-	}
-	if (c->sb.version > bcachefs_metadata_version_current) {
+	if (c->sb.version > bcachefs_metadata_version_current)
 		c->disk_sb.sb->version = cpu_to_le16(bcachefs_metadata_version_current);
-		c->sb.version = bcachefs_metadata_version_current;
-	}
-	if (c->sb.version_min > bcachefs_metadata_version_current) {
+	if (c->sb.version_min > bcachefs_metadata_version_current)
 		c->disk_sb.sb->version_min = cpu_to_le16(bcachefs_metadata_version_current);
-		c->sb.version_min = bcachefs_metadata_version_current;
-	}
 	c->disk_sb.sb->compat[0] &= cpu_to_le64((1ULL << BCH_COMPAT_NR) - 1);
 	return ret;
 }

[PATCH 6.9 200/222] bcachefs: btree_gc can now handle unknown btrees

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kent.overstreet@linux.dev>

commit 088d0de81220a74d7d553febb81656927f10bb16 upstream.

Compatibility fix - we no longer have a separate table for which order
gc walks btrees in, and special case the stripes btree directly.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/bcachefs/bcachefs.h       |   44 ---------------------------------------
 fs/bcachefs/btree_gc.c       |   15 ++++++-------
 fs/bcachefs/btree_gc.h       |   48 +++++++++++++++++++------------------------
 fs/bcachefs/btree_gc_types.h |   29 +++++++++++++++++++++++++
 fs/bcachefs/ec.c             |    2 -
 5 files changed, 60 insertions(+), 78 deletions(-)
 create mode 100644 fs/bcachefs/btree_gc_types.h

--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -455,6 +455,7 @@ enum bch_time_stats {
 };
 
 #include "alloc_types.h"
+#include "btree_gc_types.h"
 #include "btree_types.h"
 #include "btree_node_scan_types.h"
 #include "btree_write_buffer_types.h"
@@ -485,49 +486,6 @@ enum bch_time_stats {
 
 struct btree;
 
-enum gc_phase {
-	GC_PHASE_NOT_RUNNING,
-	GC_PHASE_START,
-	GC_PHASE_SB,
-
-	GC_PHASE_BTREE_stripes,
-	GC_PHASE_BTREE_extents,
-	GC_PHASE_BTREE_inodes,
-	GC_PHASE_BTREE_dirents,
-	GC_PHASE_BTREE_xattrs,
-	GC_PHASE_BTREE_alloc,
-	GC_PHASE_BTREE_quotas,
-	GC_PHASE_BTREE_reflink,
-	GC_PHASE_BTREE_subvolumes,
-	GC_PHASE_BTREE_snapshots,
-	GC_PHASE_BTREE_lru,
-	GC_PHASE_BTREE_freespace,
-	GC_PHASE_BTREE_need_discard,
-	GC_PHASE_BTREE_backpointers,
-	GC_PHASE_BTREE_bucket_gens,
-	GC_PHASE_BTREE_snapshot_trees,
-	GC_PHASE_BTREE_deleted_inodes,
-	GC_PHASE_BTREE_logged_ops,
-	GC_PHASE_BTREE_rebalance_work,
-	GC_PHASE_BTREE_subvolume_children,
-
-	GC_PHASE_PENDING_DELETE,
-};
-
-struct gc_pos {
-	enum gc_phase		phase;
-	struct bpos		pos;
-	unsigned		level;
-};
-
-struct reflink_gc {
-	u64		offset;
-	u32		size;
-	u32		refcount;
-};
-
-typedef GENRADIX(struct reflink_gc) reflink_gc_table;
-
 struct io_count {
 	u64			sectors[2][BCH_DATA_NR];
 };
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -1080,8 +1080,7 @@ fsck_err:
 
 static inline int btree_id_gc_phase_cmp(enum btree_id l, enum btree_id r)
 {
-	return  (int) btree_id_to_gc_phase(l) -
-		(int) btree_id_to_gc_phase(r);
+	return cmp_int(gc_btree_order(l), gc_btree_order(r));
 }
 
 static int bch2_gc_btrees(struct bch_fs *c, bool initial, bool metadata_only)
@@ -1126,7 +1125,7 @@ static void mark_metadata_sectors(struct
 			min_t(u64, bucket_to_sector(ca, b + 1), end) - start;
 
 		bch2_mark_metadata_bucket(c, ca, b, type, sectors,
-					  gc_phase(GC_PHASE_SB), flags);
+					  gc_phase(GC_PHASE_sb), flags);
 		b++;
 		start += sectors;
 	} while (start < end);
@@ -1155,14 +1154,14 @@ static void bch2_mark_dev_superblock(str
 		b = ca->journal.buckets[i];
 		bch2_mark_metadata_bucket(c, ca, b, BCH_DATA_journal,
 					  ca->mi.bucket_size,
-					  gc_phase(GC_PHASE_SB), flags);
+					  gc_phase(GC_PHASE_sb), flags);
 	}
 }
 
 static void bch2_mark_superblocks(struct bch_fs *c)
 {
 	mutex_lock(&c->sb_lock);
-	gc_pos_set(c, gc_phase(GC_PHASE_SB));
+	gc_pos_set(c, gc_phase(GC_PHASE_sb));
 
 	for_each_online_member(c, ca)
 		bch2_mark_dev_superblock(c, ca, BTREE_TRIGGER_GC);
@@ -1773,7 +1772,7 @@ int bch2_gc(struct bch_fs *c, bool initi
 	if (ret)
 		goto out;
 again:
-	gc_pos_set(c, gc_phase(GC_PHASE_START));
+	gc_pos_set(c, gc_phase(GC_PHASE_start));
 
 	bch2_mark_superblocks(c);
 
@@ -1800,7 +1799,7 @@ again:
 		 */
 		bch_info(c, "Second GC pass needed, restarting:");
 		clear_bit(BCH_FS_need_another_gc, &c->flags);
-		__gc_pos_set(c, gc_phase(GC_PHASE_NOT_RUNNING));
+		__gc_pos_set(c, gc_phase(GC_PHASE_not_running));
 
 		bch2_gc_stripes_reset(c, metadata_only);
 		bch2_gc_alloc_reset(c, metadata_only);
@@ -1827,7 +1826,7 @@ out:
 
 	percpu_down_write(&c->mark_lock);
 	/* Indicates that gc is no longer in progress: */
-	__gc_pos_set(c, gc_phase(GC_PHASE_NOT_RUNNING));
+	__gc_pos_set(c, gc_phase(GC_PHASE_not_running));
 
 	bch2_gc_free(c);
 	percpu_up_write(&c->mark_lock);
--- a/fs/bcachefs/btree_gc.h
+++ b/fs/bcachefs/btree_gc.h
@@ -3,6 +3,7 @@
 #define _BCACHEFS_BTREE_GC_H
 
 #include "bkey.h"
+#include "btree_gc_types.h"
 #include "btree_types.h"
 
 int bch2_check_topology(struct bch_fs *);
@@ -35,38 +36,17 @@ int bch2_gc_thread_start(struct bch_fs *
 /* Position of (the start of) a gc phase: */
 static inline struct gc_pos gc_phase(enum gc_phase phase)
 {
-	return (struct gc_pos) {
-		.phase	= phase,
-		.pos	= POS_MIN,
-		.level	= 0,
-	};
-}
-
-static inline int gc_pos_cmp(struct gc_pos l, struct gc_pos r)
-{
-	return  cmp_int(l.phase, r.phase) ?:
-		bpos_cmp(l.pos, r.pos) ?:
-		cmp_int(l.level, r.level);
-}
-
-static inline enum gc_phase btree_id_to_gc_phase(enum btree_id id)
-{
-	switch (id) {
-#define x(name, v, ...) case BTREE_ID_##name: return GC_PHASE_BTREE_##name;
-	BCH_BTREE_IDS()
-#undef x
-	default:
-		BUG();
-	}
+	return (struct gc_pos) { .phase	= phase, };
 }
 
-static inline struct gc_pos gc_pos_btree(enum btree_id id,
+static inline struct gc_pos gc_pos_btree(enum btree_id btree,
 					 struct bpos pos, unsigned level)
 {
 	return (struct gc_pos) {
-		.phase	= btree_id_to_gc_phase(id),
-		.pos	= pos,
+		.phase	= GC_PHASE_btree,
+		.btree	= btree,
 		.level	= level,
+		.pos	= pos,
 	};
 }
 
@@ -91,6 +71,22 @@ static inline struct gc_pos gc_pos_btree
 	return gc_pos_btree(id, SPOS_MAX, BTREE_MAX_DEPTH);
 }
 
+static inline int gc_btree_order(enum btree_id btree)
+{
+	if (btree == BTREE_ID_stripes)
+		return -1;
+	return btree;
+}
+
+static inline int gc_pos_cmp(struct gc_pos l, struct gc_pos r)
+{
+	return   cmp_int(l.phase, r.phase) ?:
+		 cmp_int(gc_btree_order(l.btree),
+			 gc_btree_order(r.btree)) ?:
+		-cmp_int(l.level, r.level) ?:
+		 bpos_cmp(l.pos, r.pos);
+}
+
 static inline bool gc_visited(struct bch_fs *c, struct gc_pos pos)
 {
 	unsigned seq;
--- /dev/null
+++ b/fs/bcachefs/btree_gc_types.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_BTREE_GC_TYPES_H
+#define _BCACHEFS_BTREE_GC_TYPES_H
+
+#include <linux/generic-radix-tree.h>
+
+enum gc_phase {
+	GC_PHASE_not_running,
+	GC_PHASE_start,
+	GC_PHASE_sb,
+	GC_PHASE_btree,
+};
+
+struct gc_pos {
+	enum gc_phase		phase:8;
+	enum btree_id		btree:8;
+	u16			level;
+	struct bpos		pos;
+};
+
+struct reflink_gc {
+	u64		offset;
+	u32		size;
+	u32		refcount;
+};
+
+typedef GENRADIX(struct reflink_gc) reflink_gc_table;
+
+#endif /* _BCACHEFS_BTREE_GC_TYPES_H */
--- a/fs/bcachefs/ec.c
+++ b/fs/bcachefs/ec.c
@@ -880,7 +880,7 @@ static int __ec_stripe_mem_alloc(struct
 	if (!genradix_ptr_alloc(&c->stripes, idx, gfp))
 		return -BCH_ERR_ENOMEM_ec_stripe_mem_alloc;
 
-	if (c->gc_pos.phase != GC_PHASE_NOT_RUNNING &&
+	if (c->gc_pos.phase != GC_PHASE_not_running &&
 	    !genradix_ptr_alloc(&c->gc_stripes, idx, gfp))
 		return -BCH_ERR_ENOMEM_ec_stripe_mem_alloc;
 

[PATCH 6.9 201/222] Revert "net: sfp: enhance quirk for Fibrestore 2.5G copper SFP module"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This reverts commit b3dcad0bfd62fcc9367d8092a71918db53804f53 which is
commit cd4a32e60061789676f7f018a94fcc9ec56732a0 upstream.

Turned out that this should not have been applied to the stable tree.

Link: https://lore.kernel.org/r/20240628172211.17ccefe9@dellmb
Reported-by: Marek Behún <kabel@kernel.org>
Cc: Jiri Pirko <jiri@nvidia.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/phy/sfp.c |   18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -385,23 +385,18 @@ static void sfp_fixup_rollball(struct sf
 	sfp->phy_t_retry = msecs_to_jiffies(1000);
 }
 
-static void sfp_fixup_fs_2_5gt(struct sfp *sfp)
+static void sfp_fixup_fs_10gt(struct sfp *sfp)
 {
+	sfp_fixup_10gbaset_30m(sfp);
 	sfp_fixup_rollball(sfp);
 
-	/* The RollBall fixup is not enough for FS modules, the PHY chip inside
+	/* The RollBall fixup is not enough for FS modules, the AQR chip inside
 	 * them does not return 0xffff for PHY ID registers in all MMDs for the
 	 * while initializing. They need a 4 second wait before accessing PHY.
 	 */
 	sfp->module_t_wait = msecs_to_jiffies(4000);
 }
 
-static void sfp_fixup_fs_10gt(struct sfp *sfp)
-{
-	sfp_fixup_10gbaset_30m(sfp);
-	sfp_fixup_fs_2_5gt(sfp);
-}
-
 static void sfp_fixup_halny_gsfp(struct sfp *sfp)
 {
 	/* Ignore the TX_FAULT and LOS signals on this module.
@@ -477,10 +472,6 @@ static const struct sfp_quirk sfp_quirks
 	// Rollball protocol to talk to the PHY.
 	SFP_QUIRK_F("FS", "SFP-10G-T", sfp_fixup_fs_10gt),
 
-	// Fiberstore SFP-2.5G-T uses Rollball protocol to talk to the PHY and
-	// needs 4 sec wait before probing the PHY.
-	SFP_QUIRK_F("FS", "SFP-2.5G-T", sfp_fixup_fs_2_5gt),
-
 	// Fiberstore GPON-ONU-34-20BI can operate at 2500base-X, but report 1.2GBd
 	// NRZ in their EEPROM
 	SFP_QUIRK("FS", "GPON-ONU-34-20BI", sfp_quirk_2500basex,
@@ -497,6 +488,9 @@ static const struct sfp_quirk sfp_quirks
 	SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex,
 		  sfp_fixup_ignore_tx_fault),
 
+	// FS 2.5G Base-T
+	SFP_QUIRK_M("FS", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
+
 	// Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
 	// 2500MBd NRZ in their EEPROM
 	SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex),

[PATCH 6.9 202/222] mm/page_alloc: Separate THP PCP into movable and non-movable categories

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: yangge <yangge1116@126.com>

commit bf14ed81f571f8dba31cd72ab2e50fbcc877cc31 upstream.

Since commit 5d0a661d808f ("mm/page_alloc: use only one PCP list for
THP-sized allocations") no longer differentiates the migration type of
pages in THP-sized PCP list, it's possible that non-movable allocation
requests may get a CMA page from the list, in some cases, it's not
acceptable.

If a large number of CMA memory are configured in system (for example, the
CMA memory accounts for 50% of the system memory), starting a virtual
machine with device passthrough will get stuck.  During starting the
virtual machine, it will call pin_user_pages_remote(..., FOLL_LONGTERM,
...) to pin memory.  Normally if a page is present and in CMA area,
pin_user_pages_remote() will migrate the page from CMA area to non-CMA
area because of FOLL_LONGTERM flag.  But if non-movable allocation
requests return CMA memory, migrate_longterm_unpinnable_pages() will
migrate a CMA page to another CMA page, which will fail to pass the check
in check_and_migrate_movable_pages() and cause migration endless.

Call trace:
pin_user_pages_remote
--__gup_longterm_locked // endless loops in this function
----_get_user_pages_locked
----check_and_migrate_movable_pages
------migrate_longterm_unpinnable_pages
--------alloc_migration_target

This problem will also have a negative impact on CMA itself.  For example,
when CMA is borrowed by THP, and we need to reclaim it through cma_alloc()
or dma_alloc_coherent(), we must move those pages out to ensure CMA's
users can retrieve that contigous memory.  Currently, CMA's memory is
occupied by non-movable pages, meaning we can't relocate them.  As a
result, cma_alloc() is more likely to fail.

To fix the problem above, we add one PCP list for THP, which will not
introduce a new cacheline for struct per_cpu_pages.  THP will have 2 PCP
lists, one PCP list is used by MOVABLE allocation, and the other PCP list
is used by UNMOVABLE allocation.  MOVABLE allocation contains GPF_MOVABLE,
and UNMOVABLE allocation contains GFP_UNMOVABLE and GFP_RECLAIMABLE.

Link: https://lkml.kernel.org/r/1718845190-4456-1-git-send-email-yangge1116@126.com
Fixes: 5d0a661d808f ("mm/page_alloc: use only one PCP list for THP-sized allocations")
Signed-off-by: yangge <yangge1116@126.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <21cnbao@gmail.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/mmzone.h |    9 ++++-----
 mm/page_alloc.c        |    9 +++++++--
 2 files changed, 11 insertions(+), 7 deletions(-)

--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -651,13 +651,12 @@ enum zone_watermarks {
 };
 
 /*
- * One per migratetype for each PAGE_ALLOC_COSTLY_ORDER. One additional list
- * for THP which will usually be GFP_MOVABLE. Even if it is another type,
- * it should not contribute to serious fragmentation causing THP allocation
- * failures.
+ * One per migratetype for each PAGE_ALLOC_COSTLY_ORDER. Two additional lists
+ * are added for THP. One PCP list is used by GPF_MOVABLE, and the other PCP list
+ * is used by GFP_UNMOVABLE and GFP_RECLAIMABLE.
  */
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define NR_PCP_THP 1
+#define NR_PCP_THP 2
 #else
 #define NR_PCP_THP 0
 #endif
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -521,10 +521,15 @@ out:
 
 static inline unsigned int order_to_pindex(int migratetype, int order)
 {
+	bool __maybe_unused movable;
+
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 	if (order > PAGE_ALLOC_COSTLY_ORDER) {
 		VM_BUG_ON(order != pageblock_order);
-		return NR_LOWORDER_PCP_LISTS;
+
+		movable = migratetype == MIGRATE_MOVABLE;
+
+		return NR_LOWORDER_PCP_LISTS + movable;
 	}
 #else
 	VM_BUG_ON(order > PAGE_ALLOC_COSTLY_ORDER);
@@ -538,7 +543,7 @@ static inline int pindex_to_order(unsign
 	int order = pindex / MIGRATE_PCPTYPES;
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-	if (pindex == NR_LOWORDER_PCP_LISTS)
+	if (pindex >= NR_LOWORDER_PCP_LISTS)
 		order = pageblock_order;
 #else
 	VM_BUG_ON(order > PAGE_ALLOC_COSTLY_ORDER);

[PATCH 6.9 203/222] pwm: stm32: Fix calculation of prescaler

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uwe Kleine-König <u.kleine-koenig@baylibre.com>

commit dab8f9f0fe3aada61c0eb013dcf7d3ff75a2c336 upstream.

A small prescaler is beneficial, as this improves the resolution of the
duty_cycle configuration. However if the prescaler is too small, the
maximal possible period becomes considerably smaller than the requested
value.

One situation where this goes wrong is the following: With a parent
clock rate of 208877930 Hz and max_arr = 0xffff = 65535, a request for
period = 941243 ns currently results in PSC = 1. The value for ARR is
then calculated to

	ARR = 941243 * 208877930 / (1000000000 * 2) - 1 = 98301

This value is bigger than 65535 however and so doesn't fit into the
respective register field. In this particular case the PWM was
configured for a period of 313733.4806027616 ns (with ARR = 98301 &
0xffff). Even if ARR was configured to its maximal value, only period =
627495.6861167669 ns would be achievable.

Fix the calculation accordingly and adapt the comment to match the new
algorithm.

With the calculation fixed the above case results in PSC = 2 and so an
actual period of 941229.1667195285 ns.

Fixes: 8002fbeef1e4 ("pwm: stm32: Calculate prescaler with a division instead of a loop")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/b4d96b79917617434a540df45f20cb5de4142f88.1718979150.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/pwm/pwm-stm32.c |   18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -321,17 +321,23 @@ static int stm32_pwm_config(struct stm32
 	 * First we need to find the minimal value for prescaler such that
 	 *
 	 *        period_ns * clkrate
-	 *   ------------------------------
+	 *   ------------------------------ < max_arr + 1
 	 *   NSEC_PER_SEC * (prescaler + 1)
 	 *
-	 * isn't bigger than max_arr.
+	 * This equation is equivalent to
+	 *
+	 *        period_ns * clkrate
+	 *   ---------------------------- < prescaler + 1
+	 *   NSEC_PER_SEC * (max_arr + 1)
+	 *
+	 * Using integer division and knowing that the right hand side is
+	 * integer, this is further equivalent to
+	 *
+	 *   (period_ns * clkrate) // (NSEC_PER_SEC * (max_arr + 1)) ≤ prescaler
 	 */
 
 	prescaler = mul_u64_u64_div_u64(period_ns, clk_get_rate(priv->clk),
-					(u64)NSEC_PER_SEC * priv->max_arr);
-	if (prescaler > 0)
-		prescaler -= 1;
-
+					(u64)NSEC_PER_SEC * ((u64)priv->max_arr + 1));
 	if (prescaler > MAX_TIM_PSC)
 		return -EINVAL;
 

[PATCH 6.9 204/222] pwm: stm32: Fix error message to not describe the previous error path

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Uwe Kleine-König <u.kleine-koenig@baylibre.com>

commit f01af3022d4a46362c5dda3d35dea939f3246d10 upstream.

"Failed to lock the clock" is an appropriate error message for
clk_rate_exclusive_get() failing, but not for the clock running too
fast for the driver's calculations.

Adapt the error message accordingly.

Fixes: d44d635635a7 ("pwm: stm32: Fix for settings using period > UINT32_MAX")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/285182163211203fc823a65b180761f46e828dcb.1718979150.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/pwm/pwm-stm32.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -679,7 +679,8 @@ static int stm32_pwm_probe(struct platfo
 	 * .apply() won't overflow.
 	 */
 	if (clk_get_rate(priv->clk) > 1000000000)
-		return dev_err_probe(dev, -EINVAL, "Failed to lock clock\n");
+		return dev_err_probe(dev, -EINVAL, "Clock freq too high (%lu)\n",
+				     clk_get_rate(priv->clk));
 
 	chip->ops = &stm32pwm_ops;
 

[PATCH 6.9 205/222] arm64: dts: rockchip: Fix SD NAND and eMMC init on rk3308-rock-pi-s

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jonas Karlman <jonas@kwiboo.se>

[ Upstream commit 1fb98c855ccd7bc7f50c7a9626fbb8440454760b ]

Radxa ROCK Pi S have optional onboard SD NAND on board revision v1.1,
v1.2 and v1.3, revision v1.5 changed to use optional onboard eMMC.

The optional SD NAND typically fails to initialize:

  mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
  mmc0: error -110 whilst initialising SD card
  mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
  mmc0: error -110 whilst initialising SD card
  mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
  mmc0: error -110 whilst initialising SD card
  mmc_host mmc0: Bus speed (slot 0) = 100000Hz (slot req 100000Hz, actual 100000HZ div = 0)
  mmc0: error -110 whilst initialising SD card

Add pinctrl and cap-sd-highspeed to fix SD NAND initialization. Also
drop bus-width and mmc-hs200-1_8v to fix eMMC initialization on the new
v1.5 board revision, only 3v3 signal voltage is used.

Fixes: 2e04c25b1320 ("arm64: dts: rockchip: add ROCK Pi S DTS support")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-4-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
index b47fe02c33fbd..84f4b4a44644c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -126,10 +126,12 @@
 };
 
 &emmc {
-	bus-width = <4>;
 	cap-mmc-highspeed;
-	mmc-hs200-1_8v;
+	cap-sd-highspeed;
+	no-sdio;
 	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd>;
 	vmmc-supply = <&vcc_io>;
 	status = "okay";
 };
-- 
2.43.0

[PATCH 6.9 206/222] arm64: dts: rockchip: Rename LED related pinctrl nodes on rk3308-rock-pi-s

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jonas Karlman <jonas@kwiboo.se>

[ Upstream commit d2a52f678883fe4bc00bca89366b1ba504750abf ]

The nodename, <name>-gpio, of referenced pinctrl nodes for the two LEDs
on the ROCK Pi S cause DT schema validation error:

  leds: green-led-gpio: {'rockchip,pins': [[0, 6, 0, 90]], 'phandle': [[98]]} is not of type 'array'
        from schema $id: http://devicetree.org/schemas/gpio/gpio-consumer.yaml#
  leds: heartbeat-led-gpio: {'rockchip,pins': [[0, 5, 0, 90]], 'phandle': [[99]]} is not of type 'array'
        from schema $id: http://devicetree.org/schemas/gpio/gpio-consumer.yaml#

Rename the pinctrl nodes and symbols to pass DT schema validation, also
extend LED nodes with information about color and function.

Fixes: 2e04c25b1320 ("arm64: dts: rockchip: add ROCK Pi S DTS support")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-7-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
index 84f4b4a44644c..079101cddd65f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -5,6 +5,8 @@
  */
 
 /dts-v1/;
+
+#include <dt-bindings/leds/common.h>
 #include "rk3308.dtsi"
 
 / {
@@ -24,17 +26,21 @@
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
-		pinctrl-0 = <&green_led_gio>, <&heartbeat_led_gpio>;
+		pinctrl-0 = <&green_led>, <&heartbeat_led>;
 
 		green-led {
+			color = <LED_COLOR_ID_GREEN>;
 			default-state = "on";
+			function = LED_FUNCTION_POWER;
 			gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
 			label = "rockpis:green:power";
 			linux,default-trigger = "default-on";
 		};
 
 		blue-led {
+			color = <LED_COLOR_ID_BLUE>;
 			default-state = "on";
+			function = LED_FUNCTION_HEARTBEAT;
 			gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
 			label = "rockpis:blue:user";
 			linux,default-trigger = "heartbeat";
@@ -216,11 +222,11 @@
 	pinctrl-0 = <&rtc_32k>;
 
 	leds {
-		green_led_gio: green-led-gpio {
+		green_led: green-led {
 			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 
-		heartbeat_led_gpio: heartbeat-led-gpio {
+		heartbeat_led: heartbeat-led {
 			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
-- 
2.43.0

[PATCH 6.9 207/222] arm64: dts: rockchip: set correct pwm0 pinctrl on rk3588-tiger

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Heiko Stuebner <heiko.stuebner@cherry.de>

[ Upstream commit a21d2cc2f9039023105bf9f9bf1acf324d5ebf9d ]

PWM0 on rk3588-tiger is connected to the BLT_CTRL pin of the Q7 connector
meant as the name implies to control a backlight device.

Therefore set the correct M1 pinctrl variant for it. The M0 variant
cannot ever be used because that pin is routed to a connector pin on the
Q7 connector that is reserved for CAN use and the pin reachable by the M2
variant is reserved for the embedded MCU on the SoM.

Fixes: 6173ef24b35b ("arm64: dts: rockchip: add RK3588-Q7 (Tiger) SoM")
Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Link: https://lore.kernel.org/r/20240603192254.2441025-1-heiko@sntech.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
index 1eb2543a5fde6..64ff1c90afe2c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
@@ -324,6 +324,11 @@
 	};
 };
 
+&pwm0 {
+	pinctrl-0 = <&pwm0m1_pins>;
+	pinctrl-names = "default";
+};
+
 &saradc {
 	vref-supply = <&vcc_1v8_s0>;
 	status = "okay";
-- 
2.43.0

[PATCH 6.9 208/222] arm64: dts: rockchip: Fix the value of `dlg,jack-det-rate` mismatch on rk3399-gru

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hsin-Te Yuan <yuanhsinte@chromium.org>

[ Upstream commit a500c0b4b589ae6fb79140c9d96bd5cd31393d41 ]

According to Documentation/devicetree/bindings/sound/dialog,da7219.yaml,
the value of `dlg,jack-det-rate` property should be "32_64" instead of
"32ms_64ms".

Fixes: dc0ff0fa3a9b ("ASoC: da7219: Add Jack insertion detection polarity")
Signed-off-by: Hsin-Te Yuan <yuanhsinte@chromium.org>
Link: https://lore.kernel.org/r/20240613-jack-rate-v2-2-ebc5f9f37931@chromium.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
index 789fd0dcc88ba..3cd63d1e8f15b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
@@ -450,7 +450,7 @@ ap_i2c_audio: &i2c8 {
 			dlg,btn-cfg = <50>;
 			dlg,mic-det-thr = <500>;
 			dlg,jack-ins-deb = <20>;
-			dlg,jack-det-rate = "32ms_64ms";
+			dlg,jack-det-rate = "32_64";
 			dlg,jack-rem-deb = <1>;
 
 			dlg,a-d-btn-thr = <0xa>;
-- 
2.43.0

[PATCH 6.9 209/222] ARM: dts: rockchip: rk3066a: add #sound-dai-cells to hdmi node

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Jonker <jbx6244@gmail.com>

[ Upstream commit cca46f811d0000c1522a5e18ea48c27a15e45c05 ]

'#sound-dai-cells' is required to properly interpret
the list of DAI specified in the 'sound-dai' property,
so add them to the 'hdmi' node for 'rk3066a.dtsi'.

Fixes: fadc78062477 ("ARM: dts: rockchip: add rk3066 hdmi nodes")
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/8b229dcc-94e4-4bbc-9efc-9d5ddd694532@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/rockchip/rk3066a.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/rockchip/rk3066a.dtsi b/arch/arm/boot/dts/rockchip/rk3066a.dtsi
index 30139f21de64d..15cbd94d7ec05 100644
--- a/arch/arm/boot/dts/rockchip/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3066a.dtsi
@@ -128,6 +128,7 @@
 		pinctrl-0 = <&hdmii2c_xfer>, <&hdmi_hpd>;
 		power-domains = <&power RK3066_PD_VIO>;
 		rockchip,grf = <&grf>;
+		#sound-dai-cells = <0>;
 		status = "disabled";
 
 		ports {
-- 
2.43.0

[PATCH 6.9 210/222] Revert "arm64: dts: rockchip: remove redundant cd-gpios from rk3588 sdmmc nodes"

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: FUKAUMI Naoki <naoki@radxa.com>

[ Upstream commit b56aed4a613e2d2cb3bfe05fd222dbf480f6b5d8 ]

This reverts commit d859ad305ed19d9a77d8c8ecd22459b73da36ba6.

Inserting and removing microSD card is not detected since above commit.
Reverting it fixes this problem.

This is probably the same thing as 5 years ago on rk3399
https://lore.kernel.org/all/0608599d485117a9d99f5fb274fbb1b55f6ba9f7.1547466003.git.robin.murphy@arm.com/

So we'll go back to cd-gpios for now.

this patch is tested on Radxa ROCK 5A and 5B.

Fixes: d859ad305ed1 ("arm64: dts: rockchip: remove redundant cd-gpios from rk3588 sdmmc nodes")
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20240613001757.1350-1-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts | 1 +
 arch/arm64/boot/dts/rockchip/rk3588-quartzpro64.dts     | 1 +
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts         | 1 +
 arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts        | 1 +
 4 files changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
index 1a604429fb266..e74871491ef56 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
@@ -444,6 +444,7 @@
 &sdmmc {
 	bus-width = <4>;
 	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	max-frequency = <150000000>;
 	no-sdio;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-quartzpro64.dts b/arch/arm64/boot/dts/rockchip/rk3588-quartzpro64.dts
index 22bbfbe729c11..b6628889b707e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-quartzpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-quartzpro64.dts
@@ -429,6 +429,7 @@
 &sdmmc {
 	bus-width = <4>;
 	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	max-frequency = <150000000>;
 	no-sdio;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 1fe8b2a0ed75e..9b7bf6cec8bd1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -378,6 +378,7 @@
 	bus-width = <4>;
 	cap-mmc-highspeed;
 	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	sd-uhs-sdr104;
 	vmmc-supply = <&vcc_3v3_s3>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
index 00afb90d4eb10..2002fd0221fa3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -366,6 +366,7 @@
 	bus-width = <4>;
 	cap-mmc-highspeed;
 	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	max-frequency = <150000000>;
 	no-sdio;
-- 
2.43.0

[PATCH 6.9 211/222] arm64: dts: rockchip: make poweroff(8) work on Radxa ROCK 5A

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: FUKAUMI Naoki <naoki@radxa.com>

[ Upstream commit d05f7aff7ac23884ed9103a876325047ff9049aa ]

Designate the RK806 PMIC on the Radxa ROCK 5A as the system power
controller, so the board shuts down properly on poweroff(8).

Fixes: 75fdcbc8f4c1 ("arm64: dts: rockchip: add PMIC to rock-5a")
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20240612033523.37166-1-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
index 2002fd0221fa3..ef776aec9d4b5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -394,6 +394,7 @@
 		pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,
 			    <&rk806_dvs2_null>, <&rk806_dvs3_null>;
 		spi-max-frequency = <1000000>;
+		system-power-controller;
 
 		vcc1-supply = <&vcc5v0_sys>;
 		vcc2-supply = <&vcc5v0_sys>;
-- 
2.43.0

[PATCH 6.9 212/222] cxl/region: Convert cxl_pmem_region_alloc to scope-based resource management

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Williams <dan.j.williams@intel.com>

[ Upstream commit d357dd8ad2f154376e5cb930284e7bf4fe21ffaa ]

A recent bugfix to cxl_pmem_region_alloc() to fix an
error-unwind-memleak [1], highlighted a use case for scope-based resource
management.

Delete the goto for releasing @cxl_region_rwsem, and return error codes
directly from error condition paths.

The caller, devm_cxl_add_pmem_region(), is no longer given @cxlr_pmem
directly it must retrieve it from @cxlr->cxlr_pmem. This retrieval from
@cxlr was already in place for @cxlr->cxl_nvb, and converting
cxl_pmem_region_alloc() to return an int makes it less awkward to handle
no_free_ptr().

Cc: Li Zhijian <lizhijian@fujitsu.com>
Reported-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Closes: http://lore.kernel.org/r/20240430174540.000039ce@Huawei.com
Link: http://lore.kernel.org/r/20240428030748.318985-1-lizhijian@fujitsu.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/171451430965.1147997.15782562063090960666.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Stable-dep-of: 84ec985944ef ("cxl/mem: Fix no cxl_nvd during pmem region auto-assembling")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cxl/core/region.c | 43 ++++++++++++++++-----------------------
 1 file changed, 17 insertions(+), 26 deletions(-)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 18b95149640b6..bcb30e04e0963 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2681,26 +2681,21 @@ int cxl_get_poison_by_endpoint(struct cxl_port *port)
 
 static struct lock_class_key cxl_pmem_region_key;
 
-static struct cxl_pmem_region *cxl_pmem_region_alloc(struct cxl_region *cxlr)
+static int cxl_pmem_region_alloc(struct cxl_region *cxlr)
 {
 	struct cxl_region_params *p = &cxlr->params;
 	struct cxl_nvdimm_bridge *cxl_nvb;
-	struct cxl_pmem_region *cxlr_pmem;
 	struct device *dev;
 	int i;
 
-	down_read(&cxl_region_rwsem);
-	if (p->state != CXL_CONFIG_COMMIT) {
-		cxlr_pmem = ERR_PTR(-ENXIO);
-		goto out;
-	}
+	guard(rwsem_read)(&cxl_region_rwsem);
+	if (p->state != CXL_CONFIG_COMMIT)
+		return -ENXIO;
 
-	cxlr_pmem = kzalloc(struct_size(cxlr_pmem, mapping, p->nr_targets),
-			    GFP_KERNEL);
-	if (!cxlr_pmem) {
-		cxlr_pmem = ERR_PTR(-ENOMEM);
-		goto out;
-	}
+	struct cxl_pmem_region *cxlr_pmem __free(kfree) =
+		kzalloc(struct_size(cxlr_pmem, mapping, p->nr_targets), GFP_KERNEL);
+	if (!cxlr_pmem)
+		return -ENOMEM;
 
 	cxlr_pmem->hpa_range.start = p->res->start;
 	cxlr_pmem->hpa_range.end = p->res->end;
@@ -2718,11 +2713,8 @@ static struct cxl_pmem_region *cxl_pmem_region_alloc(struct cxl_region *cxlr)
 		 */
 		if (i == 0) {
 			cxl_nvb = cxl_find_nvdimm_bridge(cxlmd);
-			if (!cxl_nvb) {
-				kfree(cxlr_pmem);
-				cxlr_pmem = ERR_PTR(-ENODEV);
-				goto out;
-			}
+			if (!cxl_nvb)
+				return -ENODEV;
 			cxlr->cxl_nvb = cxl_nvb;
 		}
 		m->cxlmd = cxlmd;
@@ -2733,18 +2725,16 @@ static struct cxl_pmem_region *cxl_pmem_region_alloc(struct cxl_region *cxlr)
 	}
 
 	dev = &cxlr_pmem->dev;
-	cxlr_pmem->cxlr = cxlr;
-	cxlr->cxlr_pmem = cxlr_pmem;
 	device_initialize(dev);
 	lockdep_set_class(&dev->mutex, &cxl_pmem_region_key);
 	device_set_pm_not_required(dev);
 	dev->parent = &cxlr->dev;
 	dev->bus = &cxl_bus_type;
 	dev->type = &cxl_pmem_region_type;
-out:
-	up_read(&cxl_region_rwsem);
+	cxlr_pmem->cxlr = cxlr;
+	cxlr->cxlr_pmem = no_free_ptr(cxlr_pmem);
 
-	return cxlr_pmem;
+	return 0;
 }
 
 static void cxl_dax_region_release(struct device *dev)
@@ -2861,9 +2851,10 @@ static int devm_cxl_add_pmem_region(struct cxl_region *cxlr)
 	struct device *dev;
 	int rc;
 
-	cxlr_pmem = cxl_pmem_region_alloc(cxlr);
-	if (IS_ERR(cxlr_pmem))
-		return PTR_ERR(cxlr_pmem);
+	rc = cxl_pmem_region_alloc(cxlr);
+	if (rc)
+		return rc;
+	cxlr_pmem = cxlr->cxlr_pmem;
 	cxl_nvb = cxlr->cxl_nvb;
 
 	dev = &cxlr_pmem->dev;
-- 
2.43.0

[PATCH 6.9 213/222] cxl/mem: Fix no cxl_nvd during pmem region auto-assembling

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Li Ming <ming4.li@intel.com>

[ Upstream commit 84ec985944ef34a34a1605b93ce401aa8737af96 ]

When CXL subsystem is auto-assembling a pmem region during cxl
endpoint port probing, always hit below calltrace.

 BUG: kernel NULL pointer dereference, address: 0000000000000078
 #PF: supervisor read access in kernel mode
 #PF: error_code(0x0000) - not-present page
 RIP: 0010:cxl_pmem_region_probe+0x22e/0x360 [cxl_pmem]
 Call Trace:
  <TASK>
  ? __die+0x24/0x70
  ? page_fault_oops+0x82/0x160
  ? do_user_addr_fault+0x65/0x6b0
  ? exc_page_fault+0x7d/0x170
  ? asm_exc_page_fault+0x26/0x30
  ? cxl_pmem_region_probe+0x22e/0x360 [cxl_pmem]
  ? cxl_pmem_region_probe+0x1ac/0x360 [cxl_pmem]
  cxl_bus_probe+0x1b/0x60 [cxl_core]
  really_probe+0x173/0x410
  ? __pfx___device_attach_driver+0x10/0x10
  __driver_probe_device+0x80/0x170
  driver_probe_device+0x1e/0x90
  __device_attach_driver+0x90/0x120
  bus_for_each_drv+0x84/0xe0
  __device_attach+0xbc/0x1f0
  bus_probe_device+0x90/0xa0
  device_add+0x51c/0x710
  devm_cxl_add_pmem_region+0x1b5/0x380 [cxl_core]
  cxl_bus_probe+0x1b/0x60 [cxl_core]

The cxl_nvd of the memdev needs to be available during the pmem region
probe. Currently the cxl_nvd is registered after the endpoint port probe.
The endpoint probe, in the case of autoassembly of regions, can cause a
pmem region probe requiring the not yet available cxl_nvd. Adjust the
sequence so this dependency is met.

This requires adding a port parameter to cxl_find_nvdimm_bridge() that
can be used to query the ancestor root port. The endpoint port is not
yet available, but will share a common ancestor with its parent, so
start the query from there instead.

Fixes: f17b558d6663 ("cxl/pmem: Refactor nvdimm device registration, delete the workqueue")
Co-developed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Li Ming <ming4.li@intel.com>
Tested-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20240612064423.2567625-1-ming4.li@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cxl/core/pmem.c   | 16 +++++++++++-----
 drivers/cxl/core/region.c |  2 +-
 drivers/cxl/cxl.h         |  4 ++--
 drivers/cxl/mem.c         | 17 +++++++++--------
 4 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/drivers/cxl/core/pmem.c b/drivers/cxl/core/pmem.c
index e69625a8d6a1d..c00f3a933164f 100644
--- a/drivers/cxl/core/pmem.c
+++ b/drivers/cxl/core/pmem.c
@@ -62,10 +62,14 @@ static int match_nvdimm_bridge(struct device *dev, void *data)
 	return is_cxl_nvdimm_bridge(dev);
 }
 
-struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_memdev *cxlmd)
+/**
+ * cxl_find_nvdimm_bridge() - find a bridge device relative to a port
+ * @port: any descendant port of an nvdimm-bridge associated
+ *        root-cxl-port
+ */
+struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_port *port)
 {
-	struct cxl_root *cxl_root __free(put_cxl_root) =
-		find_cxl_root(cxlmd->endpoint);
+	struct cxl_root *cxl_root __free(put_cxl_root) = find_cxl_root(port);
 	struct device *dev;
 
 	if (!cxl_root)
@@ -242,18 +246,20 @@ static void cxlmd_release_nvdimm(void *_cxlmd)
 
 /**
  * devm_cxl_add_nvdimm() - add a bridge between a cxl_memdev and an nvdimm
+ * @parent_port: parent port for the (to be added) @cxlmd endpoint port
  * @cxlmd: cxl_memdev instance that will perform LIBNVDIMM operations
  *
  * Return: 0 on success negative error code on failure.
  */
-int devm_cxl_add_nvdimm(struct cxl_memdev *cxlmd)
+int devm_cxl_add_nvdimm(struct cxl_port *parent_port,
+			struct cxl_memdev *cxlmd)
 {
 	struct cxl_nvdimm_bridge *cxl_nvb;
 	struct cxl_nvdimm *cxl_nvd;
 	struct device *dev;
 	int rc;
 
-	cxl_nvb = cxl_find_nvdimm_bridge(cxlmd);
+	cxl_nvb = cxl_find_nvdimm_bridge(parent_port);
 	if (!cxl_nvb)
 		return -ENODEV;
 
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index bcb30e04e0963..857afc8b72ff1 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2712,7 +2712,7 @@ static int cxl_pmem_region_alloc(struct cxl_region *cxlr)
 		 * bridge for one device is the same for all.
 		 */
 		if (i == 0) {
-			cxl_nvb = cxl_find_nvdimm_bridge(cxlmd);
+			cxl_nvb = cxl_find_nvdimm_bridge(cxlmd->endpoint);
 			if (!cxl_nvb)
 				return -ENODEV;
 			cxlr->cxl_nvb = cxl_nvb;
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 72fa477407689..2b82dcaf70aa6 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -848,8 +848,8 @@ struct cxl_nvdimm_bridge *devm_cxl_add_nvdimm_bridge(struct device *host,
 struct cxl_nvdimm *to_cxl_nvdimm(struct device *dev);
 bool is_cxl_nvdimm(struct device *dev);
 bool is_cxl_nvdimm_bridge(struct device *dev);
-int devm_cxl_add_nvdimm(struct cxl_memdev *cxlmd);
-struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_memdev *cxlmd);
+int devm_cxl_add_nvdimm(struct cxl_port *parent_port, struct cxl_memdev *cxlmd);
+struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_port *port);
 
 #ifdef CONFIG_CXL_REGION
 bool is_cxl_pmem_region(struct device *dev);
diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 0c79d9ce877cc..2f1b49bfe162f 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -152,6 +152,15 @@ static int cxl_mem_probe(struct device *dev)
 		return -ENXIO;
 	}
 
+	if (resource_size(&cxlds->pmem_res) && IS_ENABLED(CONFIG_CXL_PMEM)) {
+		rc = devm_cxl_add_nvdimm(parent_port, cxlmd);
+		if (rc) {
+			if (rc == -ENODEV)
+				dev_info(dev, "PMEM disabled by platform\n");
+			return rc;
+		}
+	}
+
 	if (dport->rch)
 		endpoint_parent = parent_port->uport_dev;
 	else
@@ -174,14 +183,6 @@ static int cxl_mem_probe(struct device *dev)
 	if (rc)
 		return rc;
 
-	if (resource_size(&cxlds->pmem_res) && IS_ENABLED(CONFIG_CXL_PMEM)) {
-		rc = devm_cxl_add_nvdimm(cxlmd);
-		if (rc == -ENODEV)
-			dev_info(dev, "PMEM disabled by platform\n");
-		else
-			return rc;
-	}
-
 	/*
 	 * The kernel may be operating out of CXL memory on this device,
 	 * there is no spec defined way to determine whether this device
-- 
2.43.0

[PATCH 6.9 214/222] arm64: dts: rockchip: fix PMIC interrupt pin on ROCK Pi E

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: FUKAUMI Naoki <naoki@radxa.com>

[ Upstream commit 02afd3d5b9fa4ffed284c0f7e7bec609097804fc ]

use GPIO0_A2 as interrupt pin for PMIC. GPIO2_A6 was used for
pre-production board.

Fixes: b918e81f2145 ("arm64: dts: rockchip: rk3328: Add Radxa ROCK Pi E")
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20240619050047.1217-1-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
index f09d60bbe6c4f..a608a219543e5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
@@ -241,8 +241,8 @@
 	rk805: pmic@18 {
 		compatible = "rockchip,rk805";
 		reg = <0x18>;
-		interrupt-parent = <&gpio2>;
-		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		#clock-cells = <1>;
 		clock-output-names = "xin32k", "rk805-clkout2";
 		gpio-controller;
-- 
2.43.0

[PATCH 6.9 215/222] reset: gpio: Fix missing gpiolib dependency for GPIO reset controller

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Brown <broonie@kernel.org>

[ Upstream commit 01f6a84c7a3eaabafd787608d630db31c6904f5c ]

The GPIO reset controller uses gpiolib but there is no Kconfig
dependency reflecting this fact, add one.

With the addition of the controller to the arm64 defconfig this is
causing build breaks for arm64 virtconfig in -next:

aarch64-linux-gnu-ld: drivers/reset/core.o: in function `__reset_add_reset_gpio_lookup':
/build/stage/linux/drivers/reset/core.c:861:(.text+0xccc): undefined reference to `gpio_device_find_by_fwnode'

Fixes: cee544a40e44 ("reset: gpio: Add GPIO-based reset controller")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240325-reset-gpiolib-deps-v2-1-3ed2517f5f53@kernel.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/reset/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 85b27c42cf65b..f426b4c391796 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -68,6 +68,7 @@ config RESET_BRCMSTB_RESCAL
 
 config RESET_GPIO
 	tristate "GPIO reset controller"
+	depends on GPIOLIB
 	help
 	  This enables a generic reset controller for resets attached via
 	  GPIOs.  Typically for OF platforms this driver expects "reset-gpios"
-- 
2.43.0

[PATCH 6.9 216/222] arm64: dts: rockchip: Fix the i2c address of es8316 on Cool Pi 4B

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Yan <andyshrk@163.com>

[ Upstream commit 5d101df8fc3261607bd946a222248dd193956a0a ]

According to the hardware design, the i2c address of audio codec es8316
on Cool Pi 4B is 0x10.

This fix the read/write error like bellow:
es8316 7-0011: ASoC: error at soc_component_write_no_lock on es8316.7-0011 for register: [0x0000000c] -6
es8316 7-0011: ASoC: error at soc_component_write_no_lock on es8316.7-0011 for register: [0x00000003] -6
es8316 7-0011: ASoC: error at soc_component_read_no_lock on es8316.7-0011 for register: [0x00000016] -6
es8316 7-0011: ASoC: error at soc_component_read_no_lock on es8316.7-0011 for register: [0x00000016] -6

Fixes: 3f5d336d64d6 ("arm64: dts: rockchip: Add support for rk3588s based board Cool Pi 4B")
Signed-off-by: Andy Yan <andyshrk@163.com>
Link: https://lore.kernel.org/r/20240623115526.2154645-1-andyshrk@163.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts b/arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts
index e037bf9db75af..adba82c6e2e1e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts
@@ -283,9 +283,9 @@
 	pinctrl-0 = <&i2c7m0_xfer>;
 	status = "okay";
 
-	es8316: audio-codec@11 {
+	es8316: audio-codec@10 {
 		compatible = "everest,es8316";
-		reg = <0x11>;
+		reg = <0x10>;
 		assigned-clocks = <&cru I2S0_8CH_MCLKOUT>;
 		assigned-clock-rates = <12288000>;
 		clocks = <&cru I2S0_8CH_MCLKOUT>;
-- 
2.43.0

[PATCH 6.9 217/222] arm64: dts: rockchip: Add sound-dai-cells for RK3368

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Bee <knaerzche@gmail.com>

[ Upstream commit 8d7ec44aa5d1eb94a30319074762a1740440cdc8 ]

Add the missing #sound-dai-cells for RK3368's I2S and S/PDIF controllers.

Fixes: f7d89dfe1e31 ("arm64: dts: rockchip: add i2s nodes support for RK3368 SoCs")
Fixes: 0328d68ea76d ("arm64: dts: rockchip: add rk3368 spdif node")
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20240623090116.670607-4-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/rockchip/rk3368.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 62af0cb94839b..5ce82b64b6836 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -793,6 +793,7 @@
 		dma-names = "tx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&spdif_tx>;
+		#sound-dai-cells = <0>;
 		status = "disabled";
 	};
 
@@ -804,6 +805,7 @@
 		clocks = <&cru SCLK_I2S_2CH>, <&cru HCLK_I2S_2CH>;
 		dmas = <&dmac_bus 6>, <&dmac_bus 7>;
 		dma-names = "tx", "rx";
+		#sound-dai-cells = <0>;
 		status = "disabled";
 	};
 
@@ -817,6 +819,7 @@
 		dma-names = "tx", "rx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2s_8ch_bus>;
+		#sound-dai-cells = <0>;
 		status = "disabled";
 	};
 
-- 
2.43.0

[PATCH 6.9 218/222] cxl/region: Move cxl_dpa_to_region() work to the region driver

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alison Schofield <alison.schofield@intel.com>

[ Upstream commit b98d042698a32518c93e47730e9ad86b387a9c21 ]

This helper belongs in the region driver as it is only useful
with CONFIG_CXL_REGION. Add a stub in core.h for when the region
driver is not built.

Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/05e30f788d62b3dd398aff2d2ea50a6aaa7c3313.1714496730.git.alison.schofield@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Stable-dep-of: 285f2a088414 ("cxl/region: Avoid null pointer dereference in region lookup")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cxl/core/core.h   |  7 +++++++
 drivers/cxl/core/memdev.c | 44 ---------------------------------------
 drivers/cxl/core/region.c | 44 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 44 deletions(-)

diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index bc5a95665aa0a..87008505f8a9e 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -27,7 +27,14 @@ void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled);
 int cxl_region_init(void);
 void cxl_region_exit(void);
 int cxl_get_poison_by_endpoint(struct cxl_port *port);
+struct cxl_region *cxl_dpa_to_region(const struct cxl_memdev *cxlmd, u64 dpa);
+
 #else
+static inline
+struct cxl_region *cxl_dpa_to_region(const struct cxl_memdev *cxlmd, u64 dpa)
+{
+	return NULL;
+}
 static inline int cxl_get_poison_by_endpoint(struct cxl_port *port)
 {
 	return 0;
diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c
index d4e259f3a7e91..0277726afd049 100644
--- a/drivers/cxl/core/memdev.c
+++ b/drivers/cxl/core/memdev.c
@@ -251,50 +251,6 @@ int cxl_trigger_poison_list(struct cxl_memdev *cxlmd)
 }
 EXPORT_SYMBOL_NS_GPL(cxl_trigger_poison_list, CXL);
 
-struct cxl_dpa_to_region_context {
-	struct cxl_region *cxlr;
-	u64 dpa;
-};
-
-static int __cxl_dpa_to_region(struct device *dev, void *arg)
-{
-	struct cxl_dpa_to_region_context *ctx = arg;
-	struct cxl_endpoint_decoder *cxled;
-	u64 dpa = ctx->dpa;
-
-	if (!is_endpoint_decoder(dev))
-		return 0;
-
-	cxled = to_cxl_endpoint_decoder(dev);
-	if (!cxled->dpa_res || !resource_size(cxled->dpa_res))
-		return 0;
-
-	if (dpa > cxled->dpa_res->end || dpa < cxled->dpa_res->start)
-		return 0;
-
-	dev_dbg(dev, "dpa:0x%llx mapped in region:%s\n", dpa,
-		dev_name(&cxled->cxld.region->dev));
-
-	ctx->cxlr = cxled->cxld.region;
-
-	return 1;
-}
-
-static struct cxl_region *cxl_dpa_to_region(struct cxl_memdev *cxlmd, u64 dpa)
-{
-	struct cxl_dpa_to_region_context ctx;
-	struct cxl_port *port;
-
-	ctx = (struct cxl_dpa_to_region_context) {
-		.dpa = dpa,
-	};
-	port = cxlmd->endpoint;
-	if (port && is_cxl_endpoint(port) && cxl_num_decoders_committed(port))
-		device_for_each_child(&port->dev, &ctx, __cxl_dpa_to_region);
-
-	return ctx.cxlr;
-}
-
 static int cxl_validate_poison_dpa(struct cxl_memdev *cxlmd, u64 dpa)
 {
 	struct cxl_dev_state *cxlds = cxlmd->cxlds;
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 857afc8b72ff1..52061edf4bd97 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2679,6 +2679,50 @@ int cxl_get_poison_by_endpoint(struct cxl_port *port)
 	return rc;
 }
 
+struct cxl_dpa_to_region_context {
+	struct cxl_region *cxlr;
+	u64 dpa;
+};
+
+static int __cxl_dpa_to_region(struct device *dev, void *arg)
+{
+	struct cxl_dpa_to_region_context *ctx = arg;
+	struct cxl_endpoint_decoder *cxled;
+	u64 dpa = ctx->dpa;
+
+	if (!is_endpoint_decoder(dev))
+		return 0;
+
+	cxled = to_cxl_endpoint_decoder(dev);
+	if (!cxled->dpa_res || !resource_size(cxled->dpa_res))
+		return 0;
+
+	if (dpa > cxled->dpa_res->end || dpa < cxled->dpa_res->start)
+		return 0;
+
+	dev_dbg(dev, "dpa:0x%llx mapped in region:%s\n", dpa,
+		dev_name(&cxled->cxld.region->dev));
+
+	ctx->cxlr = cxled->cxld.region;
+
+	return 1;
+}
+
+struct cxl_region *cxl_dpa_to_region(const struct cxl_memdev *cxlmd, u64 dpa)
+{
+	struct cxl_dpa_to_region_context ctx;
+	struct cxl_port *port;
+
+	ctx = (struct cxl_dpa_to_region_context) {
+		.dpa = dpa,
+	};
+	port = cxlmd->endpoint;
+	if (port && is_cxl_endpoint(port) && cxl_num_decoders_committed(port))
+		device_for_each_child(&port->dev, &ctx, __cxl_dpa_to_region);
+
+	return ctx.cxlr;
+}
+
 static struct lock_class_key cxl_pmem_region_key;
 
 static int cxl_pmem_region_alloc(struct cxl_region *cxlr)
-- 
2.43.0

[PATCH 6.9 219/222] cxl/region: Avoid null pointer dereference in region lookup

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alison Schofield <alison.schofield@intel.com>

[ Upstream commit 285f2a08841432fc3e498b1cd00cce5216cdf189 ]

cxl_dpa_to_region() looks up a region based on a memdev and DPA.
It wrongly assumes an endpoint found mapping the DPA is also of
a fully assembled region. When not true it leads to a null pointer
dereference looking up the region name.

This appears during testing of region lookup after a failure to
assemble a BIOS defined region or if the lookup raced with the
assembly of the BIOS defined region.

Failure to clean up BIOS defined regions that fail assembly is an
issue in itself and a fix to that problem will alleviate some of
the impact. It will not alleviate the race condition so let's harden
this path.

The behavior change is that the kernel oops due to a null pointer
dereference is replaced with a dev_dbg() message noting that an
endpoint was mapped.

Additional comments are added so that future users of this function
can more clearly understand what it provides.

Fixes: 0a105ab28a4d ("cxl/memdev: Warn of poison inject or clear to a mapped region")
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240604003609.202682-1-alison.schofield@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cxl/core/region.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 52061edf4bd97..a083893c0afe0 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2688,22 +2688,33 @@ static int __cxl_dpa_to_region(struct device *dev, void *arg)
 {
 	struct cxl_dpa_to_region_context *ctx = arg;
 	struct cxl_endpoint_decoder *cxled;
+	struct cxl_region *cxlr;
 	u64 dpa = ctx->dpa;
 
 	if (!is_endpoint_decoder(dev))
 		return 0;
 
 	cxled = to_cxl_endpoint_decoder(dev);
-	if (!cxled->dpa_res || !resource_size(cxled->dpa_res))
+	if (!cxled || !cxled->dpa_res || !resource_size(cxled->dpa_res))
 		return 0;
 
 	if (dpa > cxled->dpa_res->end || dpa < cxled->dpa_res->start)
 		return 0;
 
-	dev_dbg(dev, "dpa:0x%llx mapped in region:%s\n", dpa,
-		dev_name(&cxled->cxld.region->dev));
+	/*
+	 * Stop the region search (return 1) when an endpoint mapping is
+	 * found. The region may not be fully constructed so offering
+	 * the cxlr in the context structure is not guaranteed.
+	 */
+	cxlr = cxled->cxld.region;
+	if (cxlr)
+		dev_dbg(dev, "dpa:0x%llx mapped in region:%s\n", dpa,
+			dev_name(&cxlr->dev));
+	else
+		dev_dbg(dev, "dpa:0x%llx mapped in endpoint:%s\n", dpa,
+			dev_name(dev));
 
-	ctx->cxlr = cxled->cxld.region;
+	ctx->cxlr = cxlr;
 
 	return 1;
 }
-- 
2.43.0

[PATCH 6.9 220/222] cxl/region: check interleave capability

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yao Xingtao <yaoxt.fnst@fujitsu.com>

[ Upstream commit 84328c5acebc10c8cdcf17283ab6c6d548885bfc ]

Since interleave capability is not verified, if the interleave
capability of a target does not match the region need, committing decoder
should have failed at the device end.

In order to checkout this error as quickly as possible, driver needs
to check the interleave capability of target during attaching it to
region.

Per CXL specification r3.1(8.2.4.20.1 CXL HDM Decoder Capability Register),
bits 11 and 12 indicate the capability to establish interleaving in 3, 6,
12 and 16 ways. If these bits are not set, the target cannot be attached to
a region utilizing such interleave ways.

Additionally, bits 8 and 9 represent the capability of the bits used for
interleaving in the address, Linux tracks this in the cxl_port
interleave_mask.

Per CXL specification r3.1(8.2.4.20.13 Decoder Protection):
  eIW means encoded Interleave Ways.
  eIG means encoded Interleave Granularity.

  in HPA:
  if eIW is 0 or 8 (interleave ways: 1, 3), all the bits of HPA are used,
  the interleave bits are none, the following check is ignored.

  if eIW is less than 8 (interleave ways: 2, 4, 8, 16), the interleave bits
  start at bit position eIG + 8 and end at eIG + eIW + 8 - 1.

  if eIW is greater than 8 (interleave ways: 6, 12), the interleave bits
  start at bit position eIG + 8 and end at eIG + eIW - 1.

  if the interleave mask is insufficient to cover the required interleave
  bits, the target cannot be attached to the region.

Fixes: 384e624bb211 ("cxl/region: Attach endpoint decoders")
Signed-off-by: Yao Xingtao <yaoxt.fnst@fujitsu.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240614084755.59503-2-yaoxt.fnst@fujitsu.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cxl/core/hdm.c       | 13 ++++++
 drivers/cxl/core/region.c    | 82 ++++++++++++++++++++++++++++++++++++
 drivers/cxl/cxl.h            |  2 +
 drivers/cxl/cxlmem.h         | 10 +++++
 tools/testing/cxl/test/cxl.c |  4 ++
 5 files changed, 111 insertions(+)

diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 7d97790b893d7..e01c16fdc7575 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -52,6 +52,14 @@ int devm_cxl_add_passthrough_decoder(struct cxl_port *port)
 	struct cxl_dport *dport = NULL;
 	int single_port_map[1];
 	unsigned long index;
+	struct cxl_hdm *cxlhdm = dev_get_drvdata(&port->dev);
+
+	/*
+	 * Capability checks are moot for passthrough decoders, support
+	 * any and all possibilities.
+	 */
+	cxlhdm->interleave_mask = ~0U;
+	cxlhdm->iw_cap_mask = ~0UL;
 
 	cxlsd = cxl_switch_decoder_alloc(port, 1);
 	if (IS_ERR(cxlsd))
@@ -79,6 +87,11 @@ static void parse_hdm_decoder_caps(struct cxl_hdm *cxlhdm)
 		cxlhdm->interleave_mask |= GENMASK(11, 8);
 	if (FIELD_GET(CXL_HDM_DECODER_INTERLEAVE_14_12, hdm_cap))
 		cxlhdm->interleave_mask |= GENMASK(14, 12);
+	cxlhdm->iw_cap_mask = BIT(1) | BIT(2) | BIT(4) | BIT(8);
+	if (FIELD_GET(CXL_HDM_DECODER_INTERLEAVE_3_6_12_WAY, hdm_cap))
+		cxlhdm->iw_cap_mask |= BIT(3) | BIT(6) | BIT(12);
+	if (FIELD_GET(CXL_HDM_DECODER_INTERLEAVE_16_WAY, hdm_cap))
+		cxlhdm->iw_cap_mask |= BIT(16);
 }
 
 static bool should_emulate_decoders(struct cxl_endpoint_dvsec_info *info)
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index a083893c0afe0..a600feb8a4ed5 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1101,6 +1101,26 @@ static int cxl_port_attach_region(struct cxl_port *port,
 	}
 	cxld = cxl_rr->decoder;
 
+	/*
+	 * the number of targets should not exceed the target_count
+	 * of the decoder
+	 */
+	if (is_switch_decoder(&cxld->dev)) {
+		struct cxl_switch_decoder *cxlsd;
+
+		cxlsd = to_cxl_switch_decoder(&cxld->dev);
+		if (cxl_rr->nr_targets > cxlsd->nr_targets) {
+			dev_dbg(&cxlr->dev,
+				"%s:%s %s add: %s:%s @ %d overflows targets: %d\n",
+				dev_name(port->uport_dev), dev_name(&port->dev),
+				dev_name(&cxld->dev), dev_name(&cxlmd->dev),
+				dev_name(&cxled->cxld.dev), pos,
+				cxlsd->nr_targets);
+			rc = -ENXIO;
+			goto out_erase;
+		}
+	}
+
 	rc = cxl_rr_ep_add(cxl_rr, cxled);
 	if (rc) {
 		dev_dbg(&cxlr->dev,
@@ -1210,6 +1230,50 @@ static int check_last_peer(struct cxl_endpoint_decoder *cxled,
 	return 0;
 }
 
+static int check_interleave_cap(struct cxl_decoder *cxld, int iw, int ig)
+{
+	struct cxl_port *port = to_cxl_port(cxld->dev.parent);
+	struct cxl_hdm *cxlhdm = dev_get_drvdata(&port->dev);
+	unsigned int interleave_mask;
+	u8 eiw;
+	u16 eig;
+	int high_pos, low_pos;
+
+	if (!test_bit(iw, &cxlhdm->iw_cap_mask))
+		return -ENXIO;
+	/*
+	 * Per CXL specification r3.1(8.2.4.20.13 Decoder Protection),
+	 * if eiw < 8:
+	 *   DPAOFFSET[51: eig + 8] = HPAOFFSET[51: eig + 8 + eiw]
+	 *   DPAOFFSET[eig + 7: 0]  = HPAOFFSET[eig + 7: 0]
+	 *
+	 *   when the eiw is 0, all the bits of HPAOFFSET[51: 0] are used, the
+	 *   interleave bits are none.
+	 *
+	 * if eiw >= 8:
+	 *   DPAOFFSET[51: eig + 8] = HPAOFFSET[51: eig + eiw] / 3
+	 *   DPAOFFSET[eig + 7: 0]  = HPAOFFSET[eig + 7: 0]
+	 *
+	 *   when the eiw is 8, all the bits of HPAOFFSET[51: 0] are used, the
+	 *   interleave bits are none.
+	 */
+	ways_to_eiw(iw, &eiw);
+	if (eiw == 0 || eiw == 8)
+		return 0;
+
+	granularity_to_eig(ig, &eig);
+	if (eiw > 8)
+		high_pos = eiw + eig - 1;
+	else
+		high_pos = eiw + eig + 7;
+	low_pos = eig + 8;
+	interleave_mask = GENMASK(high_pos, low_pos);
+	if (interleave_mask & ~cxlhdm->interleave_mask)
+		return -ENXIO;
+
+	return 0;
+}
+
 static int cxl_port_setup_targets(struct cxl_port *port,
 				  struct cxl_region *cxlr,
 				  struct cxl_endpoint_decoder *cxled)
@@ -1360,6 +1424,15 @@ static int cxl_port_setup_targets(struct cxl_port *port,
 			return -ENXIO;
 		}
 	} else {
+		rc = check_interleave_cap(cxld, iw, ig);
+		if (rc) {
+			dev_dbg(&cxlr->dev,
+				"%s:%s iw: %d ig: %d is not supported\n",
+				dev_name(port->uport_dev),
+				dev_name(&port->dev), iw, ig);
+			return rc;
+		}
+
 		cxld->interleave_ways = iw;
 		cxld->interleave_granularity = ig;
 		cxld->hpa_range = (struct range) {
@@ -1796,6 +1869,15 @@ static int cxl_region_attach(struct cxl_region *cxlr,
 	struct cxl_dport *dport;
 	int rc = -ENXIO;
 
+	rc = check_interleave_cap(&cxled->cxld, p->interleave_ways,
+				  p->interleave_granularity);
+	if (rc) {
+		dev_dbg(&cxlr->dev, "%s iw: %d ig: %d is not supported\n",
+			dev_name(&cxled->cxld.dev), p->interleave_ways,
+			p->interleave_granularity);
+		return rc;
+	}
+
 	if (cxled->mode != cxlr->mode) {
 		dev_dbg(&cxlr->dev, "%s region mode: %d mismatch: %d\n",
 			dev_name(&cxled->cxld.dev), cxlr->mode, cxled->mode);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 2b82dcaf70aa6..6f9270f2faf96 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -45,6 +45,8 @@
 #define   CXL_HDM_DECODER_TARGET_COUNT_MASK GENMASK(7, 4)
 #define   CXL_HDM_DECODER_INTERLEAVE_11_8 BIT(8)
 #define   CXL_HDM_DECODER_INTERLEAVE_14_12 BIT(9)
+#define   CXL_HDM_DECODER_INTERLEAVE_3_6_12_WAY BIT(11)
+#define   CXL_HDM_DECODER_INTERLEAVE_16_WAY BIT(12)
 #define CXL_HDM_DECODER_CTRL_OFFSET 0x4
 #define   CXL_HDM_DECODER_ENABLE BIT(1)
 #define CXL_HDM_DECODER0_BASE_LOW_OFFSET(i) (0x20 * (i) + 0x10)
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index 36cee9c30cebd..07e65a7605f3e 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -848,11 +848,21 @@ static inline void cxl_mem_active_dec(void)
 
 int cxl_mem_sanitize(struct cxl_memdev *cxlmd, u16 cmd);
 
+/**
+ * struct cxl_hdm - HDM Decoder registers and cached / decoded capabilities
+ * @regs: mapped registers, see devm_cxl_setup_hdm()
+ * @decoder_count: number of decoders for this port
+ * @target_count: for switch decoders, max downstream port targets
+ * @interleave_mask: interleave granularity capability, see check_interleave_cap()
+ * @iw_cap_mask: bitmask of supported interleave ways, see check_interleave_cap()
+ * @port: mapped cxl_port, see devm_cxl_setup_hdm()
+ */
 struct cxl_hdm {
 	struct cxl_component_regs regs;
 	unsigned int decoder_count;
 	unsigned int target_count;
 	unsigned int interleave_mask;
+	unsigned long iw_cap_mask;
 	struct cxl_port *port;
 };
 
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
index 3482248aa3442..90d5afd52dd06 100644
--- a/tools/testing/cxl/test/cxl.c
+++ b/tools/testing/cxl/test/cxl.c
@@ -630,11 +630,15 @@ static struct cxl_hdm *mock_cxl_setup_hdm(struct cxl_port *port,
 					  struct cxl_endpoint_dvsec_info *info)
 {
 	struct cxl_hdm *cxlhdm = devm_kzalloc(&port->dev, sizeof(*cxlhdm), GFP_KERNEL);
+	struct device *dev = &port->dev;
 
 	if (!cxlhdm)
 		return ERR_PTR(-ENOMEM);
 
 	cxlhdm->port = port;
+	cxlhdm->interleave_mask = ~0U;
+	cxlhdm->iw_cap_mask = ~0UL;
+	dev_set_drvdata(dev, cxlhdm);
 	return cxlhdm;
 }
 
-- 
2.43.0

[PATCH 6.9 221/222] netfs: Fix netfs_page_mkwrite() to check folio->mapping is valid

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Howells <dhowells@redhat.com>

[ Upstream commit a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2 ]

Fix netfs_page_mkwrite() to check that folio->mapping is valid once it has
taken the folio lock (as filemap_page_mkwrite() does).  Without this,
generic/247 occasionally oopses with something like the following:

    BUG: kernel NULL pointer dereference, address: 0000000000000000
    #PF: supervisor read access in kernel mode
    #PF: error_code(0x0000) - not-present page

    RIP: 0010:trace_event_raw_event_netfs_folio+0x61/0xc0
    ...
    Call Trace:
     <TASK>
     ? __die_body+0x1a/0x60
     ? page_fault_oops+0x6e/0xa0
     ? exc_page_fault+0xc2/0xe0
     ? asm_exc_page_fault+0x22/0x30
     ? trace_event_raw_event_netfs_folio+0x61/0xc0
     trace_netfs_folio+0x39/0x40
     netfs_page_mkwrite+0x14c/0x1d0
     do_page_mkwrite+0x50/0x90
     do_pte_missing+0x184/0x200
     __handle_mm_fault+0x42d/0x500
     handle_mm_fault+0x121/0x1f0
     do_user_addr_fault+0x23e/0x3c0
     exc_page_fault+0xc2/0xe0
     asm_exc_page_fault+0x22/0x30

This is due to the invalidate_inode_pages2_range() issued at the end of the
DIO write interfering with the mmap'd writes.

Fixes: 102a7e2c598c ("netfs: Allow buffered shared-writeable mmap through netfs_page_mkwrite()")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/780211.1719318546@warthog.procyon.org.uk
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: Matthew Wilcox <willy@infradead.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: v9fs@lists.linux.dev
cc: linux-afs@lists.infradead.org
cc: linux-cifs@vger.kernel.org
cc: linux-mm@kvack.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/netfs/buffered_write.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c
index 912ad0a1df021..72e4fa233c526 100644
--- a/fs/netfs/buffered_write.c
+++ b/fs/netfs/buffered_write.c
@@ -507,6 +507,7 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr
 {
 	struct folio *folio = page_folio(vmf->page);
 	struct file *file = vmf->vma->vm_file;
+	struct address_space *mapping = file->f_mapping;
 	struct inode *inode = file_inode(file);
 	vm_fault_t ret = VM_FAULT_RETRY;
 	int err;
@@ -520,6 +521,11 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr
 
 	if (folio_lock_killable(folio) < 0)
 		goto out;
+	if (folio->mapping != mapping) {
+		folio_unlock(folio);
+		ret = VM_FAULT_NOPAGE;
+		goto out;
+	}
 
 	/* Can we see a streaming write here? */
 	if (WARN_ON(!folio_test_uptodate(folio))) {
@@ -529,7 +535,7 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr
 
 	if (netfs_folio_group(folio) != netfs_group) {
 		folio_unlock(folio);
-		err = filemap_fdatawait_range(inode->i_mapping,
+		err = filemap_fdatawait_range(mapping,
 					      folio_pos(folio),
 					      folio_pos(folio) + folio_size(folio));
 		switch (err) {
-- 
2.43.0

[PATCH 6.9 222/222] netfs: Fix netfs_page_mkwrite() to flush conflicting data, not wait

[Greg Kroah-Hartman]

6.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Howells <dhowells@redhat.com>

[ Upstream commit 9d66154f73b7c7007c3be1113dfb50b99b791f8f ]

Fix netfs_page_mkwrite() to use filemap_fdatawrite_range(), not
filemap_fdatawait_range() to flush conflicting data.

Fixes: 102a7e2c598c ("netfs: Allow buffered shared-writeable mmap through netfs_page_mkwrite()")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/614300.1719228243@warthog.procyon.org.uk
cc: Matthew Wilcox <willy@infradead.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: v9fs@lists.linux.dev
cc: linux-afs@lists.infradead.org
cc: linux-cifs@vger.kernel.org
cc: linux-mm@kvack.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/netfs/buffered_write.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c
index 72e4fa233c526..d2ce0849bb53d 100644
--- a/fs/netfs/buffered_write.c
+++ b/fs/netfs/buffered_write.c
@@ -535,9 +535,9 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr
 
 	if (netfs_folio_group(folio) != netfs_group) {
 		folio_unlock(folio);
-		err = filemap_fdatawait_range(mapping,
-					      folio_pos(folio),
-					      folio_pos(folio) + folio_size(folio));
+		err = filemap_fdatawrite_range(mapping,
+					       folio_pos(folio),
+					       folio_pos(folio) + folio_size(folio));
 		switch (err) {
 		case 0:
 			ret = VM_FAULT_RETRY;
-- 
2.43.0

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[SeongJae Park]

Hello,

On Tue,  2 Jul 2024 19:00:38 +0200 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:

> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.

This rc kernel passes DAMON functionality test[1] on my test machine.
Attaching the test results summary below.  Please note that I retrieved the
kernel from linux-stable-rc tree[2].

Tested-by: SeongJae Park <sj@kernel.org>

[1] https://github.com/awslabs/damon-tests/tree/next/corr
[2] 03247eed042d ("Linux 6.9.8-rc1")

Thanks,
SJ

[...]

---

ok 6 selftests: damon: debugfs_duplicate_context_creation.sh
ok 7 selftests: damon: debugfs_rm_non_contexts.sh
ok 8 selftests: damon: debugfs_target_ids_read_before_terminate_race.sh
ok 9 selftests: damon: debugfs_target_ids_pid_leak.sh
ok 10 selftests: damon: sysfs.sh
ok 11 selftests: damon: sysfs_update_removed_scheme_dir.sh
ok 12 selftests: damon: sysfs_update_schemes_tried_regions_hang.py
ok 13 selftests: damon: sysfs_update_schemes_tried_regions_wss_estimation.py
ok 14 selftests: damon: damos_quota.py
ok 15 selftests: damon: damos_apply_interval.py
ok 16 selftests: damon: reclaim.sh
ok 17 selftests: damon: lru_sort.sh
ok 1 selftests: damon-tests: kunit.sh
ok 2 selftests: damon-tests: huge_count_read_write.sh
ok 3 selftests: damon-tests: buffer_overflow.sh
ok 4 selftests: damon-tests: rm_contexts.sh
ok 5 selftests: damon-tests: record_null_deref.sh
ok 6 selftests: damon-tests: dbgfs_target_ids_read_before_terminate_race.sh
ok 7 selftests: damon-tests: dbgfs_target_ids_pid_leak.sh
ok 8 selftests: damon-tests: damo_tests.sh
ok 9 selftests: damon-tests: masim-record.sh
ok 10 selftests: damon-tests: build_i386.sh
ok 11 selftests: damon-tests: build_arm64.sh
ok 12 selftests: damon-tests: build_m68k.sh
ok 13 selftests: damon-tests: build_i386_idle_flag.sh
ok 14 selftests: damon-tests: build_i386_highpte.sh
ok 15 selftests: damon-tests: build_nomemcg.sh
 [33m
 [92mPASS [39m

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Mark Brown]

[-- Attachment #1: Type: text/plain, Size: 344 bytes --]

On Tue, Jul 02, 2024 at 07:00:38PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.

Tested-by: Mark Brown <broonie@kernel.org>

[-- Attachment #2: signature.asc --]
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Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Christian Heusel]

[-- Attachment #1: Type: text/plain, Size: 330 bytes --]

On 24/07/02 07:00PM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.

Tested-by: Christian Heusel <christian@heusel.eu>

[-- Attachment #2: signature.asc --]
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Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Shuah Khan]

On 7/2/24 11:00, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h
> 

Compiled and booted on my test system. No dmesg regressions.

Tested-by: Shuah Khan <skhan@linuxfoundation.org>

thanks,
-- Shuah

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Bagas Sanjaya]

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On Tue, Jul 02, 2024 at 07:00:38PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 

Successfully compiled and installed the kernel on my computer (Acer
Aspire E15, Intel Core i3 Haswell). No noticeable regressions.

Tested-by: Bagas Sanjaya <bagasdotme@gmail.com>

-- 
An old man doll... just what I always wanted! - Clara

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Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Jon Hunter]

On Tue, 02 Jul 2024 19:00:38 +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

All tests passing for Tegra ...

Test results for stable-v6.9:
    10 builds:	10 pass, 0 fail
    26 boots:	26 pass, 0 fail
    111 tests:	111 pass, 0 fail

Linux version:	6.9.8-rc1-g03247eed042d
Boards tested:	tegra124-jetson-tk1, tegra186-p2771-0000,
                tegra194-p2972-0000, tegra194-p3509-0000+p3668-0000,
                tegra20-ventana, tegra210-p2371-2180,
                tegra210-p3450-0000, tegra30-cardhu-a04

Tested-by: Jon Hunter <jonathanh@nvidia.com>

Jon

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Naresh Kamboju]

On Tue, 2 Jul 2024 at 22:36, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>

The following kernel warning was noticed on arm64 Qualcomm db845c device while
booting stable-rc 6.9.8-rc1.

This is not always a reproducible warning.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Boot log:
------
[    0.000000] Linux version 6.9.8-rc1 (tuxmake@tuxmake) (Debian clang
version 18.1.8 (++20240615103650+3b5b5c1ec4a3-1~exp1~20240615223815.136),
Debian LLD 18.1.8) #1 SMP PREEMPT @1719942561
[    0.000000] KASLR enabled
[    0.000000] Machine model: Thundercomm Dragonboard 845c
...
[    7.097994] ------------[ cut here ]------------
[    7.097997] WARNING: CPU: 5 PID: 418 at block/blk-mq.c:262
blk_mq_unquiesce_tagset (/builds/linux/block/blk-mq.c:295
/builds/linux/block/blk-mq.c:297)
[    7.098009] Modules linked in: drm_display_helper qcom_q6v5_mss
camcc_sdm845 i2c_qcom_geni videobuf2_memops qcom_rng bluetooth
videobuf2_common spi_geni_qcom qrtr gpi phy_qcom_qmp_usb aux_bridge
stm_core slim_qcom_ngd_ctrl qcrypto phy_qcom_qmp_ufs cfg80211 rfkill
icc_osm_l3 phy_qcom_qmp_pcie lmh ufs_qcom slimbus qcom_wdt
pdr_interface llcc_qcom qcom_q6v5_pas(+) qcom_pil_info icc_bwmon
qcom_q6v5 display_connector qcom_sysmon qcom_common drm_kms_helper
qcom_glink_smem mdt_loader qmi_helpers drm backlight socinfo rmtfs_mem
[    7.098062] Hardware name: Thundercomm Dragonboard 845c (DT)
[    7.098064] Workqueue: devfreq_wq devfreq_monitor
[    7.098071] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    7.098074] pc : blk_mq_unquiesce_tagset
(/builds/linux/block/blk-mq.c:295 /builds/linux/block/blk-mq.c:297)
[    7.098077] lr : blk_mq_unquiesce_tagset
(/builds/linux/block/blk-mq.c:262 /builds/linux/block/blk-mq.c:297)
[    7.098080] sp : ffff8000812f3b40
[    7.098081] x29: ffff8000812f3b40 x28: 00000000000f4240 x27: 20c49ba5e353f7cf
[    7.098086] x26: 0000000000000000 x25: 0000000000000000 x24: ffff5bbe0a2e9910
[    7.098089] x23: ffff5bbe01f1a170 x22: ffff5bbe0a2e9220 x21: 0000000000000000
[    7.098093] x20: ffff5bbe0a2e9620 x19: ffff5bbe01f1a0e0 x18: 0000000000000002
[    7.098096] x17: 0000000000000400 x16: 0000000000000400 x15: 00000000a63e566e
[    7.098099] x14: 0000000000015eb9 x13: ffff8000812f0000 x12: ffff8000812f4000
[    7.098103] x11: 7cea885bfc7e6700 x10: ffffb0c2e5eb69ac x9 : 0000000000000000
[    7.098106] x8 : ffff5bbe0a2e9624 x7 : ffff5bbe0c828000 x6 : 0000000000000003
[    7.098110] x5 : 00000000000009d3 x4 : 000000000000039e x3 : ffff8000812f3af0
[    7.098113] x2 : ffff5bbe0a2acc00 x1 : 0000000000000000 x0 : 0000000000000000
[    7.098117] Call trace:
[    7.098118] blk_mq_unquiesce_tagset
(/builds/linux/block/blk-mq.c:295 /builds/linux/block/blk-mq.c:297)
[    7.098121] ufshcd_devfreq_scale
(/builds/linux/drivers/ufs/core/ufshcd.c:2050
/builds/linux/drivers/ufs/core/ufshcd.c:1426
/builds/linux/drivers/ufs/core/ufshcd.c:1472)
[    7.098126] ufshcd_devfreq_target
(/builds/linux/drivers/ufs/core/ufshcd.c:1581)
[    7.098129] devfreq_set_target (/builds/linux/drivers/devfreq/devfreq.c:364)
[    7.098132] devfreq_update_target (/builds/linux/drivers/devfreq/devfreq.c:0)
[    7.098134] devfreq_monitor (/builds/linux/drivers/devfreq/devfreq.c:461)
[    7.098136] process_scheduled_works
(/builds/linux/kernel/workqueue.c:3272
/builds/linux/kernel/workqueue.c:3348)
[    7.098141] worker_thread (/builds/linux/include/linux/list.h:373
/builds/linux/kernel/workqueue.c:955
/builds/linux/kernel/workqueue.c:3430)
[    7.098143] kthread (/builds/linux/kernel/kthread.c:390)
[    7.098146] ret_from_fork (/builds/linux/arch/arm64/kernel/entry.S:861)
[    7.098150] ---[ end trace 0000000000000000 ]---


Full boot log link:
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.9.y/build/v6.9.7-223-g03247eed042d/testrun/24504400/suite/log-parser-boot/test/check-kernel-exception/log
 - https://lkft.validation.linaro.org/scheduler/job/7711345#L5312

Details of build and test environment:
 - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2ihUJNrmztabOMpKVRNzLpixoUR

Build, vmlinux, System.map and Image,
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/

metadata:
-------
  git_describe: v6.9.7-223-g03247eed042d
  git_repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
  git_sha: 03247eed042d6a770c3a2adaeed6b7b4a0f0b46c
  kernel-config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/config
  kernel_version: 6.9.8-rc1
  toolchain: clang-18
  build-url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/
  build_name: clang-18-lkftconfig

--
Linaro LKFT
https://lkft.linaro.org

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Arnd Bergmann]

On Wed, Jul 3, 2024, at 11:08, Naresh Kamboju wrote:
> On Tue, 2 Jul 2024 at 22:36, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
>>
>> This is the start of the stable review cycle for the 6.9.8 release.
>> There are 222 patches in this series, all will be posted as a response
>> to this one.  If anyone has any issues with these being applied, please
>> let me know.
>>
>> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
>> Anything received after that time might be too late.
>>
>> The whole patch series can be found in one patch at:
>>         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
>> or in the git tree and branch at:
>>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
>>
>
> The following kernel warning was noticed on arm64 Qualcomm db845c device while
> booting stable-rc 6.9.8-rc1.
>
> This is not always a reproducible warning.

I see that commit 77691af484e2 ("scsi: ufs: core: Quiesce request
queues before checking pending cmds") got backported, and
this adds direct calls to the function that warns, so this
is my first suspicion without having done a detailed analysis.

Adding everyone from that commit to Cc.

Naresh, could you try reverting that commit?

      Arnd

> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>
> Boot log:
> ------
> [    0.000000] Linux version 6.9.8-rc1 (tuxmake@tuxmake) (Debian clang
> version 18.1.8 (++20240615103650+3b5b5c1ec4a3-1~exp1~20240615223815.136),
> Debian LLD 18.1.8) #1 SMP PREEMPT @1719942561
> [    0.000000] KASLR enabled
> [    0.000000] Machine model: Thundercomm Dragonboard 845c
> ...
> [    7.097994] ------------[ cut here ]------------
> [    7.097997] WARNING: CPU: 5 PID: 418 at block/blk-mq.c:262
> blk_mq_unquiesce_tagset (/builds/linux/block/blk-mq.c:295
> /builds/linux/block/blk-mq.c:297)
> [    7.098009] Modules linked in: drm_display_helper qcom_q6v5_mss
> camcc_sdm845 i2c_qcom_geni videobuf2_memops qcom_rng bluetooth
> videobuf2_common spi_geni_qcom qrtr gpi phy_qcom_qmp_usb aux_bridge
> stm_core slim_qcom_ngd_ctrl qcrypto phy_qcom_qmp_ufs cfg80211 rfkill
> icc_osm_l3 phy_qcom_qmp_pcie lmh ufs_qcom slimbus qcom_wdt
> pdr_interface llcc_qcom qcom_q6v5_pas(+) qcom_pil_info icc_bwmon
> qcom_q6v5 display_connector qcom_sysmon qcom_common drm_kms_helper
> qcom_glink_smem mdt_loader qmi_helpers drm backlight socinfo rmtfs_mem
> [    7.098062] Hardware name: Thundercomm Dragonboard 845c (DT)
> [    7.098064] Workqueue: devfreq_wq devfreq_monitor
> [    7.098071] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [    7.098074] pc : blk_mq_unquiesce_tagset
> (/builds/linux/block/blk-mq.c:295 /builds/linux/block/blk-mq.c:297)
> [    7.098077] lr : blk_mq_unquiesce_tagset
> (/builds/linux/block/blk-mq.c:262 /builds/linux/block/blk-mq.c:297)
> [    7.098080] sp : ffff8000812f3b40
> [    7.098081] x29: ffff8000812f3b40 x28: 00000000000f4240 x27: 20c49ba5e353f7cf
> [    7.098086] x26: 0000000000000000 x25: 0000000000000000 x24: ffff5bbe0a2e9910
> [    7.098089] x23: ffff5bbe01f1a170 x22: ffff5bbe0a2e9220 x21: 0000000000000000
> [    7.098093] x20: ffff5bbe0a2e9620 x19: ffff5bbe01f1a0e0 x18: 0000000000000002
> [    7.098096] x17: 0000000000000400 x16: 0000000000000400 x15: 00000000a63e566e
> [    7.098099] x14: 0000000000015eb9 x13: ffff8000812f0000 x12: ffff8000812f4000
> [    7.098103] x11: 7cea885bfc7e6700 x10: ffffb0c2e5eb69ac x9 : 0000000000000000
> [    7.098106] x8 : ffff5bbe0a2e9624 x7 : ffff5bbe0c828000 x6 : 0000000000000003
> [    7.098110] x5 : 00000000000009d3 x4 : 000000000000039e x3 : ffff8000812f3af0
> [    7.098113] x2 : ffff5bbe0a2acc00 x1 : 0000000000000000 x0 : 0000000000000000
> [    7.098117] Call trace:
> [    7.098118] blk_mq_unquiesce_tagset
> (/builds/linux/block/blk-mq.c:295 /builds/linux/block/blk-mq.c:297)
> [    7.098121] ufshcd_devfreq_scale
> (/builds/linux/drivers/ufs/core/ufshcd.c:2050
> /builds/linux/drivers/ufs/core/ufshcd.c:1426
> /builds/linux/drivers/ufs/core/ufshcd.c:1472)
> [    7.098126] ufshcd_devfreq_target
> (/builds/linux/drivers/ufs/core/ufshcd.c:1581)
> [    7.098129] devfreq_set_target (/builds/linux/drivers/devfreq/devfreq.c:364)
> [    7.098132] devfreq_update_target (/builds/linux/drivers/devfreq/devfreq.c:0)
> [    7.098134] devfreq_monitor (/builds/linux/drivers/devfreq/devfreq.c:461)
> [    7.098136] process_scheduled_works
> (/builds/linux/kernel/workqueue.c:3272
> /builds/linux/kernel/workqueue.c:3348)
> [    7.098141] worker_thread (/builds/linux/include/linux/list.h:373
> /builds/linux/kernel/workqueue.c:955
> /builds/linux/kernel/workqueue.c:3430)
> [    7.098143] kthread (/builds/linux/kernel/kthread.c:390)
> [    7.098146] ret_from_fork (/builds/linux/arch/arm64/kernel/entry.S:861)
> [    7.098150] ---[ end trace 0000000000000000 ]---
>
>
> Full boot log link:
>  - 
> https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.9.y/build/v6.9.7-223-g03247eed042d/testrun/24504400/suite/log-parser-boot/test/check-kernel-exception/log
>  - https://lkft.validation.linaro.org/scheduler/job/7711345#L5312
>
> Details of build and test environment:
>  - 
> https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2ihUJNrmztabOMpKVRNzLpixoUR
>
> Build, vmlinux, System.map and Image,
>  - 
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/
>
> metadata:
> -------
>   git_describe: v6.9.7-223-g03247eed042d
>   git_repo: 
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
>   git_sha: 03247eed042d6a770c3a2adaeed6b7b4a0f0b46c
>   kernel-config:
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/config
>   kernel_version: 6.9.8-rc1
>   toolchain: clang-18
>   build-url: 
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/
>   build_name: clang-18-lkftconfig
>
> --
> Linaro LKFT
> https://lkft.linaro.org

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Justin Forbes]

On Tue, Jul 02, 2024 at 07:00:38PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

Tested rc1 against the Fedora build system (aarch64, ppc64le, s390x,
x86_64), and boot tested x86_64. No regressions noted.

Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Pavel Machek]

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Hi!

> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.

CIP testing did not find any problems here:

https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-6.9.y

6.6, 5.15, 5.4 pass our testing, too:

https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-6.6.y
https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-5.15.y
https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-5.4.y

Tested-by: Pavel Machek (CIP) <pavel@denx.de>

Best regards,
                                                                Pavel

-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Peter Schneider]

Am 02.07.2024 um 19:00 schrieb Greg Kroah-Hartman:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.

Builds, boots and works on my 2-socket Ivy Bridge Xeon E5-2697 v2 server. No dmesg 
oddities or regressions found.

Tested-by: Peter Schneider <pschneider1968@googlemail.com>


Beste Grüße,
Peter Schneider

-- 
Climb the mountain not to plant your flag, but to embrace the challenge,
enjoy the air and behold the view. Climb it so you can see the world,
not so the world can see you.                    -- David McCullough Jr.

OpenPGP:  0xA3828BD796CCE11A8CADE8866E3A92C92C3FF244
Download: https://www.peters-netzplatz.de/download/pschneider1968_pub.asc
https://keys.mailvelope.com/pks/lookup?op=get&search=pschneider1968@googlemail.com
https://keys.mailvelope.com/pks/lookup?op=get&search=pschneider1968@gmail.com

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Kelsey Steele]

On Tue, Jul 02, 2024 at 07:00:38PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
> 
No regressions found on WSL (x86 and arm64).

Built, booted, and reviewed dmesg.

Thank you. :)

Tested-by: Kelsey Steele <kelseysteele@linux.microsoft.com> 

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Naresh Kamboju]

On Wed, 3 Jul 2024 at 14:55, Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Wed, Jul 3, 2024, at 11:08, Naresh Kamboju wrote:
> > On Tue, 2 Jul 2024 at 22:36, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> >>
> >> This is the start of the stable review cycle for the 6.9.8 release.
> >> There are 222 patches in this series, all will be posted as a response
> >> to this one.  If anyone has any issues with these being applied, please
> >> let me know.
> >>
> >> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> >> Anything received after that time might be too late.
> >>
> >> The whole patch series can be found in one patch at:
> >>         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> >> or in the git tree and branch at:
> >>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> >> and the diffstat can be found below.
> >>
> >> thanks,
> >>
> >> greg k-h
> >>
> >
> > The following kernel warning was noticed on arm64 Qualcomm db845c device while
> > booting stable-rc 6.9.8-rc1.
> >
> > This is not always a reproducible warning.
>
> I see that commit 77691af484e2 ("scsi: ufs: core: Quiesce request
> queues before checking pending cmds") got backported, and
> this adds direct calls to the function that warns, so this
> is my first suspicion without having done a detailed analysis.
>
> Adding everyone from that commit to Cc.
>
> Naresh, could you try reverting that commit?

I have reverted the above patch and boot tested and it works.
Since the reported problem is not easy to reproduce It is hard
to  confirm that the issue has been fixed.

However, I have submitted jobs with and without the patch and
running tests in a loop.

>
>       Arnd

- Naresh

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Ron Economos]

On 7/2/24 10:00 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Built and booted successfully on RISC-V RV64 (HiFive Unmatched).

Tested-by: Ron Economos <re@w6rz.net>

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Naresh Kamboju]

On Tue, 2 Jul 2024 at 22:36, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h


Results from Linaro’s test farm.
No regressions on arm64, arm, x86_64, and i386.

Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>

NOTE:
Reported boot warning on arm64 db845c,
WARNING: CPU: 5 PID: 418 at block/blk-mq.c:262 blk_mq_unquiesce_tagset
(block/blk-mq.c:295 block/blk-mq.c:297))
Reported on below email thread,
 - https://lore.kernel.org/stable/CA+G9fYuK+dFrz3dcuUkxbP3R-5NUiSVNJ3tAcRc=Wn=Hs0C5ng@mail.gmail.com/

## Build
* kernel: 6.9.8-rc1
* git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git commit: 03247eed042d6a770c3a2adaeed6b7b4a0f0b46c
* git describe: v6.9.7-223-g03247eed042d
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.9.y/build/v6.9.7-223-g03247eed042d

## Test Regressions (compared to v6.9.6-251-g681fedcb9fc6)

## Metric Regressions (compared to v6.9.6-251-g681fedcb9fc6)

## Test Fixes (compared to v6.9.6-251-g681fedcb9fc6)

## Metric Fixes (compared to v6.9.6-251-g681fedcb9fc6)

## Test result summary
total: 253786, pass: 219442, fail: 4430, skip: 29914, xfail: 0

## Build Summary
* arc: 5 total, 5 passed, 0 failed
* arm: 127 total, 127 passed, 0 failed
* arm64: 36 total, 36 passed, 0 failed
* i386: 27 total, 27 passed, 0 failed
* mips: 24 total, 24 passed, 0 failed
* parisc: 3 total, 3 passed, 0 failed
* powerpc: 34 total, 34 passed, 0 failed
* riscv: 17 total, 17 passed, 0 failed
* s390: 12 total, 12 passed, 0 failed
* sh: 10 total, 10 passed, 0 failed
* sparc: 6 total, 6 passed, 0 failed
* x86_64: 31 total, 31 passed, 0 failed

## Test suites summary
* boot
* kselftest-arm64
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-cgroup
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-cpufreq
* kselftest-efivarfs
* kselftest-exec
* kselftest-filesystems
* kselftest-filesystems-binderfs
* kselftest-filesystems-epoll
* kselftest-firmware
* kselftest-fpu
* kselftest-ftrace
* kselftest-futex
* kselftest-gpio
* kselftest-intel_pstate
* kselftest-ipc
* kselftest-kcmp
* kselftest-kvm
* kselftest-livepatch
* kselftest-membarrier
* kselftest-memfd
* kselftest-mincore
* kselftest-mqueue
* kselftest-net
* kselftest-net-mptcp
* kselftest-openat2
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-seccomp
* kselftest-sigaltstack
* kselftest-size
* kselftest-tc-testing
* kselftest-timers
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user_events
* kselftest-vDSO
* kselftest-watchdog
* kselftest-x86
* kunit
* kvm-unit-tests
* libgpiod
* libhugetlbfs
* log-parser-boot
* log-parser-test
* ltp-commands
* ltp-containers
* ltp-controllers
* ltp-cpuhotplug
* ltp-crypto
* ltp-cve
* ltp-dio
* ltp-fcntl-locktests
* ltp-fs
* ltp-fs_bind
* ltp-fs_perms_simple
* ltp-hugetlb
* ltp-ipc
* ltp-math
* ltp-mm
* ltp-nptl
* ltp-pty
* ltp-sched
* ltp-smoke
* ltp-smoketest
* ltp-syscalls
* ltp-tracing
* perf
* rcutorture

--
Linaro LKFT
https://lkft.linaro.org

Re: [PATCH 6.9 000/222] 6.9.8-rc1 review

[Florian Fainelli]

On 7/2/2024 6:00 PM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.9.8 release.
> There are 222 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

On ARCH_BRCMSTB using 32-bit and 64-bit ARM kernels, build tested on 
BMIPS_GENERIC:

Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
-- 
Florian