[PATCH 5.15 00/87] 5.15.164-rc1 review

[PATCH 5.15 00/87] 5.15.164-rc1 review

[Greg Kroah-Hartman]

This is the start of the stable review cycle for the 5.15.164 release.
There are 87 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 Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 5.15.164-rc1

Jann Horn <jannh@google.com>
    filelock: Fix fcntl/close race recovery compat path

Shengjiu Wang <shengjiu.wang@nxp.com>
    ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused

Krishna Kurapati <quic_kriskura@quicinc.com>
    arm64: dts: qcom: sdm630: Disable SS instance in Parkmode for USB

Krishna Kurapati <quic_kriskura@quicinc.com>
    arm64: dts: qcom: msm8996: Disable SS instance in Parkmode for USB

Seunghun Han <kkamagui@gmail.com>
    ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360

Edson Juliano Drosdeck <edson.drosdeck@gmail.com>
    ALSA: hda/realtek: Enable headset mic on Positivo SU C1400

lei lu <llfamsec@gmail.com>
    fs/ntfs3: Validate ff offset

lei lu <llfamsec@gmail.com>
    jfs: don't walk off the end of ealist

lei lu <llfamsec@gmail.com>
    ocfs2: add bounds checking to ocfs2_check_dir_entry()

Paolo Abeni <pabeni@redhat.com>
    net: relax socket state check at accept time.

Linus Torvalds <torvalds@linux-foundation.org>
    Add gitignore file for samples/fanotify/ subdirectory

Gabriel Krisman Bertazi <krisman@collabora.com>
    docs: Fix formatting of literal sections in fanotify docs

Gabriel Krisman Bertazi <krisman@collabora.com>
    samples: Make fs-monitor depend on libc and headers

Gabriel Krisman Bertazi <krisman@collabora.com>
    samples: Add fs error monitoring example

Dan Carpenter <dan.carpenter@linaro.org>
    drm/amdgpu: Fix signedness bug in sdma_v4_0_process_trap_irq()

Johannes Berg <johannes.berg@intel.com>
    wifi: mac80211: disable softirqs for queued frame handling

SeongJae Park <sj@kernel.org>
    mm/damon/core: merge regions aggressively when max_nr_regions is unmet

David Laight <David.Laight@ACULAB.COM>
    minmax: relax check to allow comparison between unsigned arguments and signed constants

David Laight <David.Laight@ACULAB.COM>
    minmax: allow comparisons of 'int' against 'unsigned char/short'

David Laight <David.Laight@ACULAB.COM>
    minmax: allow min()/max()/clamp() if the arguments have the same signedness.

Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    minmax: fix header inclusions

Jason A. Donenfeld <Jason@zx2c4.com>
    minmax: clamp more efficiently by avoiding extra comparison

Jason A. Donenfeld <Jason@zx2c4.com>
    minmax: sanity check constant bounds when clamping

Bart Van Assche <bvanassche@acm.org>
    tracing: Define the is_signed_type() macro once

David Lechner <dlechner@baylibre.com>
    spi: mux: set ctlr->bits_per_word_mask

Edward Adam Davis <eadavis@qq.com>
    hfsplus: fix uninit-value in copy_name

John Hubbard <jhubbard@nvidia.com>
    selftests/vDSO: fix clang build errors and warnings

Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
    spi: imx: Don't expect DMA for i.MX{25,35,50,51,53} cspi devices

Puranjay Mohan <puranjay@kernel.org>
    riscv: stacktrace: fix usage of ftrace_graph_ret_addr()

Christian Brauner <brauner@kernel.org>
    fs: better handle deep ancestor chains in is_subdir()

Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
    drm/radeon: check bo_va->bo is non-NULL before using it

Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
    Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

Xingui Yang <yangxingui@huawei.com>
    scsi: libsas: Fix exp-attached device scan after probe failure scanned in again after probe failed

Ganesh Goudar <ganeshgr@linux.ibm.com>
    powerpc/eeh: avoid possible crash when edev->pdev changes

Anjali K <anjalik@linux.ibm.com>
    powerpc/pseries: Whitelist dtl slub object for copying to userspace

Yunshui Jiang <jiangyunshui@kylinos.cn>
    net: mac802154: Fix racy device stats updates by DEV_STATS_INC() and DEV_STATS_ADD()

Daniele Palmas <dnlplm@gmail.com>
    net: usb: qmi_wwan: add Telit FN912 compositions

Shengjiu Wang <shengjiu.wang@nxp.com>
    ALSA: dmaengine_pcm: terminate dmaengine before synchronize

Aivaz Latypov <reichaivaz@gmail.com>
    ALSA: hda/relatek: Enable Mute LED on HP Laptop 15-gw0xxx

Filipe Manana <fdmanana@suse.com>
    btrfs: qgroup: fix quota root leak after quota disable failure

Armin Wolf <W_Armin@gmx.de>
    platform/x86: lg-laptop: Use ACPI device handle when evaluating WMAB/WMBB

Armin Wolf <W_Armin@gmx.de>
    platform/x86: lg-laptop: Change ACPI device id

Armin Wolf <W_Armin@gmx.de>
    platform/x86: lg-laptop: Remove LGEX0815 hotkey handling

Armin Wolf <W_Armin@gmx.de>
    platform/x86: wireless-hotkey: Add support for LG Airplane Button

Heiko Carstens <hca@linux.ibm.com>
    s390/sclp: Fix sclp_init() cleanup on failure

Chen Ni <nichen@iscas.ac.cn>
    can: kvaser_usb: fix return value for hif_usb_send_regout

Primoz Fiser <primoz.fiser@norik.com>
    ASoC: ti: omap-hdmi: Fix too long driver name

Jai Luthra <j-luthra@ti.com>
    ASoC: ti: davinci-mcasp: Set min period size using FIFO config

Jai Luthra <j-luthra@ti.com>
    ALSA: dmaengine: Synchronize dma channel after drop()

Thomas GENTY <tomlohave@gmail.com>
    bytcr_rt5640 : inverse jack detect for Archos 101 cesium

Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
    Input: i8042 - add Ayaneo Kun to i8042 quirk table

Jonathan Denose <jdenose@google.com>
    Input: elantech - fix touchpad state on resume for Lenovo N24

Arnd Bergmann <arnd@arndb.de>
    mips: fix compat_sys_lseek syscall

Kailang Yang <kailang@realtek.com>
    ALSA: hda/realtek: Add more codec ID to no shutup pins list

Alexey Makhalov <alexey.makhalov@broadcom.com>
    drm/vmwgfx: Fix missing HYPERVISOR_GUEST dependency

Michael Ellerman <mpe@ellerman.id.au>
    KVM: PPC: Book3S HV: Prevent UAF in kvm_spapr_tce_attach_iommu_group()

Dmitry Antipov <dmantipov@yandex.ru>
    wifi: cfg80211: wext: add extra SIOCSIWSCAN data check

Chunguang Xu <chunguang.xu@shopee.com>
    nvme: avoid double free special payload

Alexander Usyskin <alexander.usyskin@intel.com>
    mei: demote client disconnect warning on suspend to debug

Yuntao Wang <yuntao.wang@linux.dev>
    fs/file: fix the check in find_next_fd()

Masahiro Yamada <masahiroy@kernel.org>
    kconfig: remove wrong expr_trans_bool()

Masahiro Yamada <masahiroy@kernel.org>
    kconfig: gconf: give a proper initial state to the Save button

Andreas Hindborg <a.hindborg@samsung.com>
    null_blk: fix validation of block size

Wei Li <liwei391@huawei.com>
    arm64: armv8_deprecated: Fix warning in isndep cpuhp starting process

Eric Dumazet <edumazet@google.com>
    ila: block BH in ila_output()

Eric Dumazet <edumazet@google.com>
    net: ipv6: rpl_iptunnel: block BH in rpl_output() and rpl_input()

Hans de Goede <hdegoede@redhat.com>
    Input: silead - Always support 10 fingers

Michael Ellerman <mpe@ellerman.id.au>
    selftests/openat2: Fix build warnings on ppc64

Dmitry Antipov <dmantipov@yandex.ru>
    wifi: mac80211: fix UBSAN noise in ieee80211_prep_hw_scan()

Ayala Beker <ayala.beker@intel.com>
    wifi: iwlwifi: mvm: properly set 6 GHz channel direct probe option

Yedidya Benshimol <yedidya.ben.shimol@intel.com>
    wifi: iwlwifi: mvm: Handle BIGTK cipher in kek_kck cmd

Yedidya Benshimol <yedidya.ben.shimol@intel.com>
    wifi: iwlwifi: mvm: d3: fix WoWLAN command version lookup

Johannes Berg <johannes.berg@intel.com>
    wifi: mac80211: handle tasklet frames before stopping

Nicolas Escande <nico.escande@gmail.com>
    wifi: mac80211: mesh: init nonpeer_pm to active by default in mesh sdata

Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
    tools/power/cpupower: Fix Pstate frequency reporting on AMD Family 1Ah CPUs

Armin Wolf <W_Armin@gmx.de>
    ACPI: EC: Avoid returning AE_OK on errors in address space handler

Armin Wolf <W_Armin@gmx.de>
    ACPI: EC: Abort address space access upon error

Saurav Kashyap <skashyap@marvell.com>
    scsi: qedf: Set qed_slowpath_params to zero before use

Saurav Kashyap <skashyap@marvell.com>
    scsi: qedf: Wait for stag work during unload

Saurav Kashyap <skashyap@marvell.com>
    scsi: qedf: Don't process stag work during unload and recovery

Martin Wilck <martin.wilck@suse.com>
    scsi: core: alua: I/O errors for ALUA state transitions

Bart Van Assche <bvanassche@acm.org>
    scsi: core: Fix a use-after-free

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

Kuan-Wei Chiu <visitorckw@gmail.com>
    ACPI: processor_idle: Fix invalid comparison with insertion sort for latency

Masahiro Yamada <masahiroy@kernel.org>
    ARM: 9324/1: fix get_user() broken with veneer

Jann Horn <jannh@google.com>
    filelock: Remove locks reliably when fcntl/close race is detected

Kees Cook <keescook@chromium.org>
    gcc-plugins: Rename last_stmt() for GCC 14+


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

Diffstat:

 .../admin-guide/filesystem-monitoring.rst          |  20 +--
 Makefile                                           |   4 +-
 arch/arm/include/asm/uaccess.h                     |  14 +-
 arch/arm64/boot/dts/qcom/msm8996.dtsi              |   1 +
 arch/arm64/boot/dts/qcom/sdm630.dtsi               |   1 +
 arch/arm64/kernel/armv8_deprecated.c               |   3 +
 arch/mips/kernel/syscalls/syscall_o32.tbl          |   2 +-
 arch/powerpc/kernel/eeh_pe.c                       |   7 +-
 arch/powerpc/kvm/book3s_64_vio.c                   |  18 ++-
 arch/powerpc/platforms/pseries/setup.c             |   4 +-
 arch/riscv/kernel/stacktrace.c                     |   3 +-
 drivers/acpi/ec.c                                  |   9 +-
 drivers/acpi/processor_idle.c                      |  40 +++---
 drivers/block/null_blk/main.c                      |   4 +-
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c             |   2 +-
 drivers/gpu/drm/radeon/radeon_gem.c                |   2 +-
 drivers/gpu/drm/vmwgfx/Kconfig                     |   2 +-
 drivers/input/mouse/elantech.c                     |  31 +++++
 drivers/input/serio/i8042-acpipnpio.h              |  18 ++-
 drivers/input/touchscreen/silead.c                 |  19 +--
 drivers/misc/mei/main.c                            |   2 +-
 drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c   |   2 +-
 drivers/net/usb/qmi_wwan.c                         |   2 +
 drivers/net/wireless/intel/iwlwifi/mvm/d3.c        |  16 ++-
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c      |   5 +-
 drivers/nvme/host/core.c                           |   1 +
 drivers/platform/x86/lg-laptop.c                   |  89 +++++--------
 drivers/platform/x86/wireless-hotkey.c             |   2 +
 drivers/s390/char/sclp.c                           |   1 +
 drivers/scsi/device_handler/scsi_dh_alua.c         |  31 +++--
 drivers/scsi/hosts.c                               |  16 ++-
 drivers/scsi/libsas/sas_internal.h                 |  14 ++
 drivers/scsi/qedf/qedf.h                           |   1 +
 drivers/scsi/qedf/qedf_main.c                      |  47 ++++++-
 drivers/scsi/scsi_lib.c                            |   6 +-
 drivers/scsi/scsi_priv.h                           |   2 +-
 drivers/scsi/scsi_scan.c                           |   1 +
 drivers/scsi/scsi_sysfs.c                          |   1 +
 drivers/spi/spi-imx.c                              |   2 +-
 drivers/spi/spi-mux.c                              |   1 +
 fs/btrfs/qgroup.c                                  |   4 +-
 fs/dcache.c                                        |  31 ++---
 fs/file.c                                          |   4 +-
 fs/hfsplus/xattr.c                                 |   2 +-
 fs/jfs/xattr.c                                     |  23 +++-
 fs/locks.c                                         |  18 ++-
 fs/ntfs3/fslog.c                                   |   6 +-
 fs/ocfs2/dir.c                                     |  46 ++++---
 include/linux/compiler.h                           |   6 +
 include/linux/minmax.h                             |  87 +++++++++----
 include/linux/overflow.h                           |   1 -
 include/linux/trace_events.h                       |   2 -
 include/scsi/scsi_host.h                           |   2 +
 include/sound/dmaengine_pcm.h                      |   1 +
 kernel/bpf/ringbuf.c                               |  30 ++++-
 mm/damon/core.c                                    |  21 ++-
 net/bluetooth/hci_core.c                           |   4 +
 net/ipv4/af_inet.c                                 |   4 +-
 net/ipv6/ila/ila_lwt.c                             |   7 +-
 net/ipv6/rpl_iptunnel.c                            |  14 +-
 net/mac80211/ieee80211_i.h                         |   2 +
 net/mac80211/main.c                                |  11 +-
 net/mac80211/mesh.c                                |   1 +
 net/mac80211/scan.c                                |  14 +-
 net/mac80211/util.c                                |   4 +
 net/mac802154/tx.c                                 |   8 +-
 net/wireless/scan.c                                |   8 +-
 samples/Kconfig                                    |   9 ++
 samples/Makefile                                   |   1 +
 samples/fanotify/.gitignore                        |   1 +
 samples/fanotify/Makefile                          |   5 +
 samples/fanotify/fs-monitor.c                      | 142 +++++++++++++++++++++
 scripts/gcc-plugins/gcc-common.h                   |   4 +
 scripts/kconfig/expr.c                             |  29 -----
 scripts/kconfig/expr.h                             |   1 -
 scripts/kconfig/gconf.c                            |   3 +-
 scripts/kconfig/menu.c                             |   2 -
 sound/core/pcm_dmaengine.c                         |  26 ++++
 sound/pci/hda/patch_realtek.c                      |   7 +
 sound/soc/intel/boards/bytcr_rt5640.c              |  11 ++
 sound/soc/soc-generic-dmaengine-pcm.c              |   8 ++
 sound/soc/ti/davinci-mcasp.c                       |   9 +-
 sound/soc/ti/omap-hdmi.c                           |   6 +-
 tools/power/cpupower/utils/helpers/amd.c           |  26 +++-
 tools/testing/selftests/openat2/openat2_test.c     |   1 +
 tools/testing/selftests/vDSO/parse_vdso.c          |  16 ++-
 .../selftests/vDSO/vdso_standalone_test_x86.c      |  18 ++-
 87 files changed, 813 insertions(+), 319 deletions(-)

[PATCH 5.15 01/87] gcc-plugins: Rename last_stmt() for GCC 14+

[Greg Kroah-Hartman]

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

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

From: Kees Cook <keescook@chromium.org>

commit 2e3f65ccfe6b0778b261ad69c9603ae85f210334 upstream.

In GCC 14, last_stmt() was renamed to last_nondebug_stmt(). Add a helper
macro to handle the renaming.

Cc: linux-hardening@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 scripts/gcc-plugins/gcc-common.h |    4 ++++
 1 file changed, 4 insertions(+)

--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -570,4 +570,8 @@ static inline void debug_gimple_stmt(con
 #define SET_DECL_MODE(decl, mode)	DECL_MODE(decl) = (mode)
 #endif
 
+#if BUILDING_GCC_VERSION >= 14000
+#define last_stmt(x)			last_nondebug_stmt(x)
+#endif
+
 #endif

[PATCH 5.15 02/87] filelock: Remove locks reliably when fcntl/close race is detected

[Greg Kroah-Hartman]

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

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

From: Jann Horn <jannh@google.com>

commit 3cad1bc010416c6dd780643476bc59ed742436b9 upstream.

When fcntl_setlk() races with close(), it removes the created lock with
do_lock_file_wait().
However, LSMs can allow the first do_lock_file_wait() that created the lock
while denying the second do_lock_file_wait() that tries to remove the lock.
In theory (but AFAIK not in practice), posix_lock_file() could also fail to
remove a lock due to GFP_KERNEL allocation failure (when splitting a range
in the middle).

After the bug has been triggered, use-after-free reads will occur in
lock_get_status() when userspace reads /proc/locks. This can likely be used
to read arbitrary kernel memory, but can't corrupt kernel memory.
This only affects systems with SELinux / Smack / AppArmor / BPF-LSM in
enforcing mode and only works from some security contexts.

Fix it by calling locks_remove_posix() instead, which is designed to
reliably get rid of POSIX locks associated with the given file and
files_struct and is also used by filp_flush().

Fixes: c293621bbf67 ("[PATCH] stale POSIX lock handling")
Cc: stable@kernel.org
Link: https://bugs.chromium.org/p/project-zero/issues/detail?id=2563
Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20240702-fs-lock-recover-2-v1-1-edd456f63789@google.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
[stable fixup: ->c.flc_type was ->fl_type in older kernels]
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/locks.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2483,8 +2483,9 @@ int fcntl_setlk(unsigned int fd, struct
 	error = do_lock_file_wait(filp, cmd, file_lock);
 
 	/*
-	 * Attempt to detect a close/fcntl race and recover by releasing the
-	 * lock that was just acquired. There is no need to do that when we're
+	 * Detect close/fcntl races and recover by zapping all POSIX locks
+	 * associated with this file and our files_struct, just like on
+	 * filp_flush(). There is no need to do that when we're
 	 * unlocking though, or for OFD locks.
 	 */
 	if (!error && file_lock->fl_type != F_UNLCK &&
@@ -2499,9 +2500,7 @@ int fcntl_setlk(unsigned int fd, struct
 		f = files_lookup_fd_locked(files, fd);
 		spin_unlock(&files->file_lock);
 		if (f != filp) {
-			file_lock->fl_type = F_UNLCK;
-			error = do_lock_file_wait(filp, cmd, file_lock);
-			WARN_ON_ONCE(error);
+			locks_remove_posix(filp, files);
 			error = -EBADF;
 		}
 	}

[PATCH 5.15 03/87] ARM: 9324/1: fix get_user() broken with veneer

[Greg Kroah-Hartman]

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

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

From: Masahiro Yamada <masahiroy@kernel.org>

commit 24d3ba0a7b44c1617c27f5045eecc4f34752ab03 upstream.

The 32-bit ARM kernel stops working if the kernel grows to the point
where veneers for __get_user_* are created.

AAPCS32 [1] states, "Register r12 (IP) may be used by a linker as a
scratch register between a routine and any subroutine it calls. It
can also be used within a routine to hold intermediate values between
subroutine calls."

However, bl instructions buried within the inline asm are unpredictable
for compilers; hence, "ip" must be added to the clobber list.

This becomes critical when veneers for __get_user_* are created because
veneers use the ip register since commit 02e541db0540 ("ARM: 8323/1:
force linker to use PIC veneers").

[1]: https://github.com/ARM-software/abi-aa/blob/2023Q1/aapcs32/aapcs32.rst

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Cc: John Stultz <jstultz@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/arm/include/asm/uaccess.h |   14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -124,16 +124,6 @@ extern int __get_user_64t_1(void *);
 extern int __get_user_64t_2(void *);
 extern int __get_user_64t_4(void *);
 
-#define __GUP_CLOBBER_1	"lr", "cc"
-#ifdef CONFIG_CPU_USE_DOMAINS
-#define __GUP_CLOBBER_2	"ip", "lr", "cc"
-#else
-#define __GUP_CLOBBER_2 "lr", "cc"
-#endif
-#define __GUP_CLOBBER_4	"lr", "cc"
-#define __GUP_CLOBBER_32t_8 "lr", "cc"
-#define __GUP_CLOBBER_8	"lr", "cc"
-
 #define __get_user_x(__r2, __p, __e, __l, __s)				\
 	   __asm__ __volatile__ (					\
 		__asmeq("%0", "r0") __asmeq("%1", "r2")			\
@@ -141,7 +131,7 @@ extern int __get_user_64t_4(void *);
 		"bl	__get_user_" #__s				\
 		: "=&r" (__e), "=r" (__r2)				\
 		: "0" (__p), "r" (__l)					\
-		: __GUP_CLOBBER_##__s)
+		: "ip", "lr", "cc")
 
 /* narrowing a double-word get into a single 32bit word register: */
 #ifdef __ARMEB__
@@ -163,7 +153,7 @@ extern int __get_user_64t_4(void *);
 		"bl	__get_user_64t_" #__s				\
 		: "=&r" (__e), "=r" (__r2)				\
 		: "0" (__p), "r" (__l)					\
-		: __GUP_CLOBBER_##__s)
+		: "ip", "lr", "cc")
 #else
 #define __get_user_x_64t __get_user_x
 #endif

[PATCH 5.15 04/87] ACPI: processor_idle: Fix invalid comparison with insertion sort for latency

[Greg Kroah-Hartman]

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

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

From: Kuan-Wei Chiu <visitorckw@gmail.com>

commit 233323f9b9f828cd7cd5145ad811c1990b692542 upstream.

The acpi_cst_latency_cmp() comparison function currently used for
sorting C-state latencies does not satisfy transitivity, causing
incorrect sorting results.

Specifically, if there are two valid acpi_processor_cx elements A and B
and one invalid element C, it may occur that A < B, A = C, and B = C.
Sorting algorithms assume that if A < B and A = C, then C < B, leading
to incorrect ordering.

Given the small size of the array (<=8), we replace the library sort
function with a simple insertion sort that properly ignores invalid
elements and sorts valid ones based on latency. This change ensures
correct ordering of the C-state latencies.

Fixes: 65ea8f2c6e23 ("ACPI: processor idle: Fix up C-state latency if not ordered")
Reported-by: Julian Sikorski <belegdol@gmail.com>
Closes: https://lore.kernel.org/lkml/70674dc7-5586-4183-8953-8095567e73df@gmail.com
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Tested-by: Julian Sikorski <belegdol@gmail.com>
Cc: All applicable <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240701205639.117194-1-visitorckw@gmail.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/acpi/processor_idle.c |   40 ++++++++++++++++------------------------
 1 file changed, 16 insertions(+), 24 deletions(-)

--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -16,7 +16,6 @@
 #include <linux/acpi.h>
 #include <linux/dmi.h>
 #include <linux/sched.h>       /* need_resched() */
-#include <linux/sort.h>
 #include <linux/tick.h>
 #include <linux/cpuidle.h>
 #include <linux/cpu.h>
@@ -385,28 +384,24 @@ static void acpi_processor_power_verify_
 	return;
 }
 
-static int acpi_cst_latency_cmp(const void *a, const void *b)
+static void acpi_cst_latency_sort(struct acpi_processor_cx *states, size_t length)
 {
-	const struct acpi_processor_cx *x = a, *y = b;
+	int i, j, k;
 
-	if (!(x->valid && y->valid))
-		return 0;
-	if (x->latency > y->latency)
-		return 1;
-	if (x->latency < y->latency)
-		return -1;
-	return 0;
-}
-static void acpi_cst_latency_swap(void *a, void *b, int n)
-{
-	struct acpi_processor_cx *x = a, *y = b;
-	u32 tmp;
+	for (i = 1; i < length; i++) {
+		if (!states[i].valid)
+			continue;
 
-	if (!(x->valid && y->valid))
-		return;
-	tmp = x->latency;
-	x->latency = y->latency;
-	y->latency = tmp;
+		for (j = i - 1, k = i; j >= 0; j--) {
+			if (!states[j].valid)
+				continue;
+
+			if (states[j].latency > states[k].latency)
+				swap(states[j].latency, states[k].latency);
+
+			k = j;
+		}
+	}
 }
 
 static int acpi_processor_power_verify(struct acpi_processor *pr)
@@ -451,10 +446,7 @@ static int acpi_processor_power_verify(s
 
 	if (buggy_latency) {
 		pr_notice("FW issue: working around C-state latencies out of order\n");
-		sort(&pr->power.states[1], max_cstate,
-		     sizeof(struct acpi_processor_cx),
-		     acpi_cst_latency_cmp,
-		     acpi_cst_latency_swap);
+		acpi_cst_latency_sort(&pr->power.states[1], max_cstate);
 	}
 
 	lapic_timer_propagate_broadcast(pr);

[PATCH 5.15 05/87] bpf: Fix overrunning reservations in ringbuf

[Greg Kroah-Hartman]

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

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

From: Daniel Borkmann <daniel@iogearbox.net>

commit cfa1a2329a691ffd991fcf7248a57d752e712881 upstream.

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: Dominique Martinet <dominique.martinet@atmark-techno.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 kernel/bpf/ringbuf.c |   30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

--- a/kernel/bpf/ringbuf.c
+++ b/kernel/bpf/ringbuf.c
@@ -41,9 +41,12 @@ struct bpf_ringbuf {
 	 * mapping consumer page as r/w, but restrict producer page to r/o.
 	 * This protects producer position from being modified by user-space
 	 * application and ruining in-kernel position tracking.
+	 * Note that the pending counter is placed in the same
+	 * page as the producer, so that it shares the same cache line.
 	 */
 	unsigned long consumer_pos __aligned(PAGE_SIZE);
 	unsigned long producer_pos __aligned(PAGE_SIZE);
+	unsigned long pending_pos;
 	char data[] __aligned(PAGE_SIZE);
 };
 
@@ -141,6 +144,7 @@ static struct bpf_ringbuf *bpf_ringbuf_a
 	rb->mask = data_sz - 1;
 	rb->consumer_pos = 0;
 	rb->producer_pos = 0;
+	rb->pending_pos = 0;
 
 	return rb;
 }
@@ -304,9 +308,9 @@ bpf_ringbuf_restore_from_rec(struct bpf_
 
 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;
@@ -324,13 +328,29 @@ static void *__bpf_ringbuf_reserve(struc
 		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;
 	}

[PATCH 5.15 06/87] scsi: core: Fix a use-after-free

[Greg Kroah-Hartman]

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

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

From: Bart Van Assche <bvanassche@acm.org>

commit 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 upstream.

There are two .exit_cmd_priv implementations. Both implementations use
resources associated with the SCSI host. Make sure that these resources are
still available when .exit_cmd_priv is called by waiting inside
scsi_remove_host() until the tag set has been freed.

This commit fixes the following use-after-free:

==================================================================
BUG: KASAN: use-after-free in srp_exit_cmd_priv+0x27/0xd0 [ib_srp]
Read of size 8 at addr ffff888100337000 by task multipathd/16727
Call Trace:
 <TASK>
 dump_stack_lvl+0x34/0x44
 print_report.cold+0x5e/0x5db
 kasan_report+0xab/0x120
 srp_exit_cmd_priv+0x27/0xd0 [ib_srp]
 scsi_mq_exit_request+0x4d/0x70
 blk_mq_free_rqs+0x143/0x410
 __blk_mq_free_map_and_rqs+0x6e/0x100
 blk_mq_free_tag_set+0x2b/0x160
 scsi_host_dev_release+0xf3/0x1a0
 device_release+0x54/0xe0
 kobject_put+0xa5/0x120
 device_release+0x54/0xe0
 kobject_put+0xa5/0x120
 scsi_device_dev_release_usercontext+0x4c1/0x4e0
 execute_in_process_context+0x23/0x90
 device_release+0x54/0xe0
 kobject_put+0xa5/0x120
 scsi_disk_release+0x3f/0x50
 device_release+0x54/0xe0
 kobject_put+0xa5/0x120
 disk_release+0x17f/0x1b0
 device_release+0x54/0xe0
 kobject_put+0xa5/0x120
 dm_put_table_device+0xa3/0x160 [dm_mod]
 dm_put_device+0xd0/0x140 [dm_mod]
 free_priority_group+0xd8/0x110 [dm_multipath]
 free_multipath+0x94/0xe0 [dm_multipath]
 dm_table_destroy+0xa2/0x1e0 [dm_mod]
 __dm_destroy+0x196/0x350 [dm_mod]
 dev_remove+0x10c/0x160 [dm_mod]
 ctl_ioctl+0x2c2/0x590 [dm_mod]
 dm_ctl_ioctl+0x5/0x10 [dm_mod]
 __x64_sys_ioctl+0xb4/0xf0
 dm_ctl_ioctl+0x5/0x10 [dm_mod]
 __x64_sys_ioctl+0xb4/0xf0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Link: https://lore.kernel.org/r/20220826002635.919423-1-bvanassche@acm.org
Fixes: 65ca846a5314 ("scsi: core: Introduce {init,exit}_cmd_priv()")
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: John Garry <john.garry@huawei.com>
Cc: Li Zhijian <lizhijian@fujitsu.com>
Reported-by: Li Zhijian <lizhijian@fujitsu.com>
Tested-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[mheyne: fixed contextual conflicts:
  - drivers/scsi/hosts.c: due to missing commit 973dac8a8a14 ("scsi: core: Refine how we set tag_set NUMA node")
  - drivers/scsi/scsi_sysfs.c: due to missing commit 6f8191fdf41d ("block: simplify disk shutdown")]
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/scsi/hosts.c      |   16 +++++++++++++---
 drivers/scsi/scsi_lib.c   |    6 +++++-
 drivers/scsi/scsi_priv.h  |    2 +-
 drivers/scsi/scsi_scan.c  |    1 +
 drivers/scsi/scsi_sysfs.c |    1 +
 include/scsi/scsi_host.h  |    2 ++
 6 files changed, 23 insertions(+), 5 deletions(-)

--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -182,6 +182,15 @@ void scsi_remove_host(struct Scsi_Host *
 	scsi_proc_host_rm(shost);
 	scsi_proc_hostdir_rm(shost->hostt);
 
+	/*
+	 * New SCSI devices cannot be attached anymore because of the SCSI host
+	 * state so drop the tag set refcnt. Wait until the tag set refcnt drops
+	 * to zero because .exit_cmd_priv implementations may need the host
+	 * pointer.
+	 */
+	kref_put(&shost->tagset_refcnt, scsi_mq_free_tags);
+	wait_for_completion(&shost->tagset_freed);
+
 	spin_lock_irqsave(shost->host_lock, flags);
 	if (scsi_host_set_state(shost, SHOST_DEL))
 		BUG_ON(scsi_host_set_state(shost, SHOST_DEL_RECOVERY));
@@ -240,6 +249,9 @@ int scsi_add_host_with_dma(struct Scsi_H
 
 	shost->dma_dev = dma_dev;
 
+	kref_init(&shost->tagset_refcnt);
+	init_completion(&shost->tagset_freed);
+
 	/*
 	 * Increase usage count temporarily here so that calling
 	 * scsi_autopm_put_host() will trigger runtime idle if there is
@@ -312,6 +324,7 @@ int scsi_add_host_with_dma(struct Scsi_H
 	pm_runtime_disable(&shost->shost_gendev);
 	pm_runtime_set_suspended(&shost->shost_gendev);
 	pm_runtime_put_noidle(&shost->shost_gendev);
+	kref_put(&shost->tagset_refcnt, scsi_mq_free_tags);
  fail:
 	return error;
 }
@@ -344,9 +357,6 @@ static void scsi_host_dev_release(struct
 		kfree(dev_name(&shost->shost_dev));
 	}
 
-	if (shost->tag_set.tags)
-		scsi_mq_destroy_tags(shost);
-
 	kfree(shost->shost_data);
 
 	ida_simple_remove(&host_index_ida, shost->host_no);
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1949,9 +1949,13 @@ int scsi_mq_setup_tags(struct Scsi_Host
 	return blk_mq_alloc_tag_set(tag_set);
 }
 
-void scsi_mq_destroy_tags(struct Scsi_Host *shost)
+void scsi_mq_free_tags(struct kref *kref)
 {
+	struct Scsi_Host *shost = container_of(kref, typeof(*shost),
+					       tagset_refcnt);
+
 	blk_mq_free_tag_set(&shost->tag_set);
+	complete(&shost->tagset_freed);
 }
 
 /**
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -95,7 +95,7 @@ extern void scsi_run_host_queues(struct
 extern void scsi_requeue_run_queue(struct work_struct *work);
 extern void scsi_start_queue(struct scsi_device *sdev);
 extern int scsi_mq_setup_tags(struct Scsi_Host *shost);
-extern void scsi_mq_destroy_tags(struct Scsi_Host *shost);
+extern void scsi_mq_free_tags(struct kref *kref);
 extern void scsi_exit_queue(void);
 extern void scsi_evt_thread(struct work_struct *work);
 
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -324,6 +324,7 @@ static struct scsi_device *scsi_alloc_sd
 		kfree(sdev);
 		goto out;
 	}
+	kref_get(&sdev->host->tagset_refcnt);
 	sdev->request_queue = q;
 	q->queuedata = sdev;
 	__scsi_init_queue(sdev->host, q);
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1490,6 +1490,7 @@ void __scsi_remove_device(struct scsi_de
 	mutex_unlock(&sdev->state_mutex);
 
 	blk_cleanup_queue(sdev->request_queue);
+	kref_put(&sdev->host->tagset_refcnt, scsi_mq_free_tags);
 	cancel_work_sync(&sdev->requeue_work);
 
 	if (sdev->host->hostt->slave_destroy)
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -565,6 +565,8 @@ struct Scsi_Host {
 	struct scsi_host_template *hostt;
 	struct scsi_transport_template *transportt;
 
+	struct kref		tagset_refcnt;
+	struct completion	tagset_freed;
 	/* Area to keep a shared tag map */
 	struct blk_mq_tag_set	tag_set;
 

[PATCH 5.15 07/87] scsi: core: alua: I/O errors for ALUA state transitions

[Greg Kroah-Hartman]

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

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

From: Martin Wilck <martin.wilck@suse.com>

[ Upstream commit 10157b1fc1a762293381e9145041253420dfc6ad ]

When a host is configured with a few LUNs and I/O is running, injecting FC
faults repeatedly leads to path recovery problems.  The LUNs have 4 paths
each and 3 of them come back active after say an FC fault which makes 2 of
the paths go down, instead of all 4. This happens after several iterations
of continuous FC faults.

Reason here is that we're returning an I/O error whenever we're
encountering sense code 06/04/0a (LOGICAL UNIT NOT ACCESSIBLE, ASYMMETRIC
ACCESS STATE TRANSITION) instead of retrying.

[mwilck: The original patch was developed by Rajashekhar M A and Hannes
Reinecke. I moved the code to alua_check_sense() as suggested by Mike
Christie [1]. Evan Milne had raised the question whether pg->state should
be set to transitioning in the UA case [2]. I believe that doing this is
correct. SCSI_ACCESS_STATE_TRANSITIONING by itself doesn't cause I/O
errors. Our handler schedules an RTPG, which will only result in an I/O
error condition if the transitioning timeout expires.]

[1] https://lore.kernel.org/all/0bc96e82-fdda-4187-148d-5b34f81d4942@oracle.com/
[2] https://lore.kernel.org/all/CAGtn9r=kicnTDE2o7Gt5Y=yoidHYD7tG8XdMHEBJTBraVEoOCw@mail.gmail.com/

Co-developed-by: Rajashekhar M A <rajs@netapp.com>
Co-developed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin Wilck <martin.wilck@suse.com>
Link: https://lore.kernel.org/r/20240514140344.19538-1-mwilck@suse.com
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/device_handler/scsi_dh_alua.c | 31 +++++++++++++++-------
 1 file changed, 22 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index a9c4a5e2ccb90..60792f257c235 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -406,28 +406,40 @@ static char print_alua_state(unsigned char state)
 	}
 }
 
-static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
-					      struct scsi_sense_hdr *sense_hdr)
+static void alua_handle_state_transition(struct scsi_device *sdev)
 {
 	struct alua_dh_data *h = sdev->handler_data;
 	struct alua_port_group *pg;
 
+	rcu_read_lock();
+	pg = rcu_dereference(h->pg);
+	if (pg)
+		pg->state = SCSI_ACCESS_STATE_TRANSITIONING;
+	rcu_read_unlock();
+	alua_check(sdev, false);
+}
+
+static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
+					      struct scsi_sense_hdr *sense_hdr)
+{
 	switch (sense_hdr->sense_key) {
 	case NOT_READY:
 		if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) {
 			/*
 			 * LUN Not Accessible - ALUA state transition
 			 */
-			rcu_read_lock();
-			pg = rcu_dereference(h->pg);
-			if (pg)
-				pg->state = SCSI_ACCESS_STATE_TRANSITIONING;
-			rcu_read_unlock();
-			alua_check(sdev, false);
+			alua_handle_state_transition(sdev);
 			return NEEDS_RETRY;
 		}
 		break;
 	case UNIT_ATTENTION:
+		if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) {
+			/*
+			 * LUN Not Accessible - ALUA state transition
+			 */
+			alua_handle_state_transition(sdev);
+			return NEEDS_RETRY;
+		}
 		if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) {
 			/*
 			 * Power On, Reset, or Bus Device Reset.
@@ -494,7 +506,8 @@ static int alua_tur(struct scsi_device *sdev)
 
 	retval = scsi_test_unit_ready(sdev, ALUA_FAILOVER_TIMEOUT * HZ,
 				      ALUA_FAILOVER_RETRIES, &sense_hdr);
-	if (sense_hdr.sense_key == NOT_READY &&
+	if ((sense_hdr.sense_key == NOT_READY ||
+	     sense_hdr.sense_key == UNIT_ATTENTION) &&
 	    sense_hdr.asc == 0x04 && sense_hdr.ascq == 0x0a)
 		return SCSI_DH_RETRY;
 	else if (retval)
-- 
2.43.0

[PATCH 5.15 08/87] scsi: qedf: Dont process stag work during unload and recovery

[Greg Kroah-Hartman]

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

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

From: Saurav Kashyap <skashyap@marvell.com>

[ Upstream commit 51071f0831ea975fc045526dd7e17efe669dc6e1 ]

Stag work can cause issues during unload and recovery, hence don't process
it.

Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240515091101.18754-2-skashyap@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedf/qedf_main.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 18380a932ab61..ab43e15fa8f36 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -4001,6 +4001,22 @@ void qedf_stag_change_work(struct work_struct *work)
 	struct qedf_ctx *qedf =
 	    container_of(work, struct qedf_ctx, stag_work.work);
 
+	if (!qedf) {
+		QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL");
+		return;
+	}
+
+	if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) {
+		QEDF_ERR(&qedf->dbg_ctx,
+			 "Already is in recovery, hence not calling software context reset.\n");
+		return;
+	}
+
+	if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+		QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+		return;
+	}
+
 	printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.",
 			dev_name(&qedf->pdev->dev), __func__, __LINE__,
 			qedf->dbg_ctx.host_no);
-- 
2.43.0

[PATCH 5.15 09/87] scsi: qedf: Wait for stag work during unload

[Greg Kroah-Hartman]

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

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

From: Saurav Kashyap <skashyap@marvell.com>

[ Upstream commit 78e88472b60936025b83eba57cffa59d3501dc07 ]

If stag work is already scheduled and unload is called, it can lead to
issues as unload cleans up the work element. Wait for stag work to get
completed before cleanup during unload.

Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240515091101.18754-3-skashyap@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedf/qedf.h      |  1 +
 drivers/scsi/qedf/qedf_main.c | 30 +++++++++++++++++++++++++++---
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h
index ba94413fe2ead..1d457831f153c 100644
--- a/drivers/scsi/qedf/qedf.h
+++ b/drivers/scsi/qedf/qedf.h
@@ -354,6 +354,7 @@ struct qedf_ctx {
 #define QEDF_IN_RECOVERY		5
 #define QEDF_DBG_STOP_IO		6
 #define QEDF_PROBING			8
+#define QEDF_STAG_IN_PROGRESS		9
 	unsigned long flags; /* Miscellaneous state flags */
 	int fipvlan_retries;
 	u8 num_queues;
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index ab43e15fa8f36..1900acfee88ed 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -318,11 +318,18 @@ static struct fc_seq *qedf_elsct_send(struct fc_lport *lport, u32 did,
 	 */
 	if (resp == fc_lport_flogi_resp) {
 		qedf->flogi_cnt++;
+		qedf->flogi_pending++;
+
+		if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+			QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+			qedf->flogi_pending = 0;
+		}
+
 		if (qedf->flogi_pending >= QEDF_FLOGI_RETRY_CNT) {
 			schedule_delayed_work(&qedf->stag_work, 2);
 			return NULL;
 		}
-		qedf->flogi_pending++;
+
 		return fc_elsct_send(lport, did, fp, op, qedf_flogi_resp,
 		    arg, timeout);
 	}
@@ -911,13 +918,14 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
 	struct qedf_ctx *qedf;
 	struct qed_link_output if_link;
 
+	qedf = lport_priv(lport);
+
 	if (lport->vport) {
+		clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
 		printk_ratelimited("Cannot issue host reset on NPIV port.\n");
 		return;
 	}
 
-	qedf = lport_priv(lport);
-
 	qedf->flogi_pending = 0;
 	/* For host reset, essentially do a soft link up/down */
 	atomic_set(&qedf->link_state, QEDF_LINK_DOWN);
@@ -937,6 +945,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
 	if (!if_link.link_up) {
 		QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
 			  "Physical link is not up.\n");
+		clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
 		return;
 	}
 	/* Flush and wait to make sure link down is processed */
@@ -949,6 +958,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
 		  "Queue link up work.\n");
 	queue_delayed_work(qedf->link_update_wq, &qedf->link_update,
 	    0);
+	clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
 }
 
 /* Reset the host by gracefully logging out and then logging back in */
@@ -3725,6 +3735,7 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
 {
 	struct qedf_ctx *qedf;
 	int rc;
+	int cnt = 0;
 
 	if (!pdev) {
 		QEDF_ERR(NULL, "pdev is NULL.\n");
@@ -3742,6 +3753,17 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
 		return;
 	}
 
+stag_in_prog:
+	if (test_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags)) {
+		QEDF_ERR(&qedf->dbg_ctx, "Stag in progress, cnt=%d.\n", cnt);
+		cnt++;
+
+		if (cnt < 5) {
+			msleep(500);
+			goto stag_in_prog;
+		}
+	}
+
 	if (mode != QEDF_MODE_RECOVERY)
 		set_bit(QEDF_UNLOADING, &qedf->flags);
 
@@ -4017,6 +4039,8 @@ void qedf_stag_change_work(struct work_struct *work)
 		return;
 	}
 
+	set_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
+
 	printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.",
 			dev_name(&qedf->pdev->dev), __func__, __LINE__,
 			qedf->dbg_ctx.host_no);
-- 
2.43.0

[PATCH 5.15 10/87] scsi: qedf: Set qed_slowpath_params to zero before use

[Greg Kroah-Hartman]

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

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

From: Saurav Kashyap <skashyap@marvell.com>

[ Upstream commit 6c3bb589debd763dc4b94803ddf3c13b4fcca776 ]

Zero qed_slowpath_params before use.

Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240515091101.18754-4-skashyap@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedf/qedf_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 1900acfee88ed..690d3464f8766 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3477,6 +3477,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
 	}
 
 	/* Start the Slowpath-process */
+	memset(&slowpath_params, 0, sizeof(struct qed_slowpath_params));
 	slowpath_params.int_mode = QED_INT_MODE_MSIX;
 	slowpath_params.drv_major = QEDF_DRIVER_MAJOR_VER;
 	slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER;
-- 
2.43.0

[PATCH 5.15 11/87] ACPI: EC: Abort address space access upon error

[Greg Kroah-Hartman]

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

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

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit f6f172dc6a6d7775b2df6adfd1350700e9a847ec ]

When a multi-byte address space access is requested, acpi_ec_read()/
acpi_ec_write() is being called multiple times.

Abort such operations if a single call to acpi_ec_read() /
acpi_ec_write() fails, as the data read from / written to the EC
might be incomplete.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/ec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 472418a0e0cab..1896ec78e88c7 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1303,10 +1303,13 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
 	if (ec->busy_polling || bits > 8)
 		acpi_ec_burst_enable(ec);
 
-	for (i = 0; i < bytes; ++i, ++address, ++value)
+	for (i = 0; i < bytes; ++i, ++address, ++value) {
 		result = (function == ACPI_READ) ?
 			acpi_ec_read(ec, address, value) :
 			acpi_ec_write(ec, address, *value);
+		if (result < 0)
+			break;
+	}
 
 	if (ec->busy_polling || bits > 8)
 		acpi_ec_burst_disable(ec);
-- 
2.43.0

[PATCH 5.15 12/87] ACPI: EC: Avoid returning AE_OK on errors in address space handler

[Greg Kroah-Hartman]

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

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

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit c4bd7f1d78340e63de4d073fd3dbe5391e2996e5 ]

If an error code other than EINVAL, ENODEV or ETIME is returned
by acpi_ec_read() / acpi_ec_write(), then AE_OK is incorrectly
returned by acpi_ec_space_handler().

Fix this by only returning AE_OK on success, and return AE_ERROR
otherwise.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/ec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 1896ec78e88c7..59e617ab12a51 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1321,8 +1321,10 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
 		return AE_NOT_FOUND;
 	case -ETIME:
 		return AE_TIME;
-	default:
+	case 0:
 		return AE_OK;
+	default:
+		return AE_ERROR;
 	}
 }
 
-- 
2.43.0

[PATCH 5.15 13/87] tools/power/cpupower: Fix Pstate frequency reporting on AMD Family 1Ah CPUs

[Greg Kroah-Hartman]

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

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

From: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>

[ Upstream commit 43cad521c6d228ea0c51e248f8e5b3a6295a2849 ]

Update cpupower's P-State frequency calculation and reporting with AMD
Family 1Ah+ processors, when using the acpi-cpufreq driver. This is due
to a change in the PStateDef MSR layout in AMD Family 1Ah+.

Tested on 4th and 5th Gen AMD EPYC system

Signed-off-by: Ananth Narayan <Ananth.Narayan@amd.com>
Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/power/cpupower/utils/helpers/amd.c | 26 +++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 97f2c857048e1..e0a7a9b1f6d69 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -38,6 +38,16 @@ union core_pstate {
 		unsigned res1:31;
 		unsigned en:1;
 	} pstatedef;
+	/* since fam 1Ah: */
+	struct {
+		unsigned fid:12;
+		unsigned res1:2;
+		unsigned vid:8;
+		unsigned iddval:8;
+		unsigned idddiv:2;
+		unsigned res2:31;
+		unsigned en:1;
+	} pstatedef2;
 	unsigned long long val;
 };
 
@@ -45,6 +55,10 @@ static int get_did(union core_pstate pstate)
 {
 	int t;
 
+	/* Fam 1Ah onward do not use did */
+	if (cpupower_cpu_info.family >= 0x1A)
+		return 0;
+
 	if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF)
 		t = pstate.pstatedef.did;
 	else if (cpupower_cpu_info.family == 0x12)
@@ -58,12 +72,18 @@ static int get_did(union core_pstate pstate)
 static int get_cof(union core_pstate pstate)
 {
 	int t;
-	int fid, did, cof;
+	int fid, did, cof = 0;
 
 	did = get_did(pstate);
 	if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) {
-		fid = pstate.pstatedef.fid;
-		cof = 200 * fid / did;
+		if (cpupower_cpu_info.family >= 0x1A) {
+			fid = pstate.pstatedef2.fid;
+			if (fid > 0x0f)
+				cof = (fid * 5);
+		} else {
+			fid = pstate.pstatedef.fid;
+			cof = 200 * fid / did;
+		}
 	} else {
 		t = 0x10;
 		fid = pstate.pstate.fid;
-- 
2.43.0

[PATCH 5.15 14/87] wifi: mac80211: mesh: init nonpeer_pm to active by default in mesh sdata

[Greg Kroah-Hartman]

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

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

From: Nicolas Escande <nico.escande@gmail.com>

[ Upstream commit 6f6291f09a322c1c1578badac8072d049363f4e6 ]

With a ath9k device I can see that:
	iw phy phy0 interface add mesh0 type mp
	ip link set mesh0 up
	iw dev mesh0 scan

Will start a scan with the Power Management bit set in the Frame Control Field.
This is because we set this bit depending on the nonpeer_pm variable of the mesh
iface sdata and when there are no active links on the interface it remains to
NL80211_MESH_POWER_UNKNOWN.

As soon as links starts to be established, it wil switch to
NL80211_MESH_POWER_ACTIVE as it is the value set by befault on the per sta
nonpeer_pm field.
As we want no power save by default, (as expressed with the per sta ini values),
lets init it to the expected default value of NL80211_MESH_POWER_ACTIVE.

Also please note that we cannot change the default value from userspace prior to
establishing a link as using NL80211_CMD_SET_MESH_CONFIG will not work before
NL80211_CMD_JOIN_MESH has been issued. So too late for our initial scan.

Signed-off-by: Nicolas Escande <nico.escande@gmail.com>
Link: https://msgid.link/20240527141759.299411-1-nico.escande@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/mac80211/mesh.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6847fdf934392..6202157f467b1 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1628,6 +1628,7 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
 	ifmsh->last_preq = jiffies;
 	ifmsh->next_perr = jiffies;
 	ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
+	ifmsh->nonpeer_pm = NL80211_MESH_POWER_ACTIVE;
 	/* Allocate all mesh structures when creating the first mesh interface. */
 	if (!mesh_allocated)
 		ieee80211s_init();
-- 
2.43.0

[PATCH 5.15 15/87] wifi: mac80211: handle tasklet frames before stopping

[Greg Kroah-Hartman]

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

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

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit 177c6ae9725d783f9e96f02593ce8fb2639be22f ]

The code itself doesn't want to handle frames from the driver
if it's already stopped, but if the tasklet was queued before
and runs after the stop, then all bets are off. Flush queues
before actually stopping, RX should be off at this point since
all the interfaces are removed already, etc.

Reported-by: syzbot+8830db5d3593b5546d2e@syzkaller.appspotmail.com
Link: https://msgid.link/20240515135318.b05f11385c9a.I41c1b33a2e1814c3a7ef352cd7f2951b91785617@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/mac80211/ieee80211_i.h |  2 ++
 net/mac80211/main.c        | 10 ++++++++--
 net/mac80211/util.c        |  2 ++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 03f8c8bdab765..03c238e68038b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1803,6 +1803,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 void ieee80211_configure_filter(struct ieee80211_local *local);
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
 
+void ieee80211_handle_queued_frames(struct ieee80211_local *local);
+
 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
 			     u64 *cookie, gfp_t gfp);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 9617ff8e27147..7d62374fe727b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -220,9 +220,8 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
 	       BSS_CHANGED_ERP_SLOT;
 }
 
-static void ieee80211_tasklet_handler(struct tasklet_struct *t)
+void ieee80211_handle_queued_frames(struct ieee80211_local *local)
 {
-	struct ieee80211_local *local = from_tasklet(local, t, tasklet);
 	struct sk_buff *skb;
 
 	while ((skb = skb_dequeue(&local->skb_queue)) ||
@@ -247,6 +246,13 @@ static void ieee80211_tasklet_handler(struct tasklet_struct *t)
 	}
 }
 
+static void ieee80211_tasklet_handler(struct tasklet_struct *t)
+{
+	struct ieee80211_local *local = from_tasklet(local, t, tasklet);
+
+	ieee80211_handle_queued_frames(local);
+}
+
 static void ieee80211_restart_work(struct work_struct *work)
 {
 	struct ieee80211_local *local =
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 354badd32793a..3d47c2dba39da 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2146,6 +2146,8 @@ u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
 
 void ieee80211_stop_device(struct ieee80211_local *local)
 {
+	ieee80211_handle_queued_frames(local);
+
 	ieee80211_led_radio(local, false);
 	ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO);
 
-- 
2.43.0

[PATCH 5.15 16/87] wifi: iwlwifi: mvm: d3: fix WoWLAN command version lookup

[Greg Kroah-Hartman]

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

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

From: Yedidya Benshimol <yedidya.ben.shimol@intel.com>

[ Upstream commit b7ffca99313d856f7d1cc89038d9061b128e8e97 ]

After moving from commands to notificaitons in the d3 resume flow,
removing the WOWLAN_GET_STATUSES and REPLY_OFFLOADS_QUERY_CMD causes
the return of the default value when looking up their version.
Returning zero here results in the driver sending the not supported
NON_QOS_TX_COUNTER_CMD.

Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240510170500.8cabfd580614.If3a0db9851f56041f8f5360959354abd5379224a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index c4c62bcbe67de..f9b004d139501 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -1796,7 +1796,8 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
 
 out:
 	if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP,
-				    WOWLAN_GET_STATUSES, 0) < 10) {
+				    WOWLAN_GET_STATUSES,
+				    IWL_FW_CMD_VER_UNKNOWN) < 10) {
 		mvmvif->seqno_valid = true;
 		/* +0x10 because the set API expects next-to-use, not last-used */
 		mvmvif->seqno = le16_to_cpu(status->non_qos_seq_ctr) + 0x10;
-- 
2.43.0

[PATCH 5.15 17/87] wifi: iwlwifi: mvm: Handle BIGTK cipher in kek_kck cmd

[Greg Kroah-Hartman]

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

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

From: Yedidya Benshimol <yedidya.ben.shimol@intel.com>

[ Upstream commit 08b16d1b5997dc378533318e2a9cd73c7a898284 ]

The BIGTK cipher field was added to the kek_kck_material_cmd
but wasn't assigned. Fix that by differentiating between the
IGTK/BIGTK keys and assign the ciphers fields accordingly.

Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240513132416.7fd0b22b7267.Ie9b581652b74bd7806980364d59e1b2e78e682c0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index f9b004d139501..24c1666b2c88a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -595,16 +595,25 @@ static void iwl_mvm_wowlan_gtk_type_iter(struct ieee80211_hw *hw,
 					 void *_data)
 {
 	struct wowlan_key_gtk_type_iter *data = _data;
+	__le32 *cipher = NULL;
+
+	if (key->keyidx == 4 || key->keyidx == 5)
+		cipher = &data->kek_kck_cmd->igtk_cipher;
+	if (key->keyidx == 6 || key->keyidx == 7)
+		cipher = &data->kek_kck_cmd->bigtk_cipher;
 
 	switch (key->cipher) {
 	default:
 		return;
 	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
-		data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_GCMP);
+		if (cipher)
+			*cipher = cpu_to_le32(STA_KEY_FLG_GCMP);
 		return;
 	case WLAN_CIPHER_SUITE_AES_CMAC:
-		data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_CCM);
+	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+		if (cipher)
+			*cipher = cpu_to_le32(STA_KEY_FLG_CCM);
 		return;
 	case WLAN_CIPHER_SUITE_CCMP:
 		if (!sta)
-- 
2.43.0

[PATCH 5.15 18/87] wifi: iwlwifi: mvm: properly set 6 GHz channel direct probe option

[Greg Kroah-Hartman]

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

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

From: Ayala Beker <ayala.beker@intel.com>

[ Upstream commit 989830d1cf16bd149bf0690d889a9caef95fb5b1 ]

Ensure that the 6 GHz channel is configured with a valid direct BSSID,
avoiding any invalid or multicast BSSID addresses.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240513132416.91a631a0fe60.I2ea2616af9b8a2eaf959b156c69cf65a2f1204d4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 0605363b62720..8179a7395bcaf 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -1721,7 +1721,10 @@ iwl_mvm_umac_scan_fill_6g_chan_list(struct iwl_mvm *mvm,
 				break;
 		}
 
-		if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE) {
+		if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE &&
+		    !WARN_ONCE(!is_valid_ether_addr(scan_6ghz_params[j].bssid),
+			       "scan: invalid BSSID at index %u, index_b=%u\n",
+			       j, idex_b)) {
 			memcpy(&pp->bssid_array[idex_b++],
 			       scan_6ghz_params[j].bssid, ETH_ALEN);
 		}
-- 
2.43.0

[PATCH 5.15 19/87] wifi: mac80211: fix UBSAN noise in ieee80211_prep_hw_scan()

[Greg Kroah-Hartman]

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

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

From: Dmitry Antipov <dmantipov@yandex.ru>

[ Upstream commit 92ecbb3ac6f3fe8ae9edf3226c76aa17b6800699 ]

When testing the previous patch with CONFIG_UBSAN_BOUNDS, I've
noticed the following:

UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:372:4
index 0 is out of range for type 'struct ieee80211_channel *[]'
CPU: 0 PID: 1435 Comm: wpa_supplicant Not tainted 6.9.0+ #1
Hardware name: LENOVO 20UN005QRT/20UN005QRT <...BIOS details...>
Call Trace:
 <TASK>
 dump_stack_lvl+0x2d/0x90
 __ubsan_handle_out_of_bounds+0xe7/0x140
 ? timerqueue_add+0x98/0xb0
 ieee80211_prep_hw_scan+0x2db/0x480 [mac80211]
 ? __kmalloc+0xe1/0x470
 __ieee80211_start_scan+0x541/0x760 [mac80211]
 rdev_scan+0x1f/0xe0 [cfg80211]
 nl80211_trigger_scan+0x9b6/0xae0 [cfg80211]
 ...<the rest is not too useful...>

Since '__ieee80211_start_scan()' leaves 'hw_scan_req->req.n_channels'
uninitialized, actual boundaries of 'hw_scan_req->req.channels' can't
be checked in 'ieee80211_prep_hw_scan()'. Although an initialization
of 'hw_scan_req->req.n_channels' introduces some confusion around
allocated vs. used VLA members, this shouldn't be a problem since
everything is correctly adjusted soon in 'ieee80211_prep_hw_scan()'.

Cleanup 'kmalloc()' math in '__ieee80211_start_scan()' by using the
convenient 'struct_size()' as well.

Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://msgid.link/20240517153332.18271-2-dmantipov@yandex.ru
[improve (imho) indentation a bit]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/mac80211/scan.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index e692a2487eb5d..3bf3dd4bafa54 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -729,15 +729,21 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 			local->hw_scan_ies_bufsize *= n_bands;
 		}
 
-		local->hw_scan_req = kmalloc(
-				sizeof(*local->hw_scan_req) +
-				req->n_channels * sizeof(req->channels[0]) +
-				local->hw_scan_ies_bufsize, GFP_KERNEL);
+		local->hw_scan_req = kmalloc(struct_size(local->hw_scan_req,
+							 req.channels,
+							 req->n_channels) +
+					     local->hw_scan_ies_bufsize,
+					     GFP_KERNEL);
 		if (!local->hw_scan_req)
 			return -ENOMEM;
 
 		local->hw_scan_req->req.ssids = req->ssids;
 		local->hw_scan_req->req.n_ssids = req->n_ssids;
+		/* None of the channels are actually set
+		 * up but let UBSAN know the boundaries.
+		 */
+		local->hw_scan_req->req.n_channels = req->n_channels;
+
 		ies = (u8 *)local->hw_scan_req +
 			sizeof(*local->hw_scan_req) +
 			req->n_channels * sizeof(req->channels[0]);
-- 
2.43.0

[PATCH 5.15 20/87] selftests/openat2: Fix build warnings on ppc64

[Greg Kroah-Hartman]

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

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

From: Michael Ellerman <mpe@ellerman.id.au>

[ Upstream commit 84b6df4c49a1cc2854a16937acd5fd3e6315d083 ]

Fix warnings like:

  openat2_test.c: In function ‘test_openat2_flags’:
  openat2_test.c:303:73: warning: format ‘%llX’ expects argument of type
  ‘long long unsigned int’, but argument 5 has type ‘__u64’ {aka ‘long
  unsigned int’} [-Wformat=]

By switching to unsigned long long for u64 for ppc64 builds.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/openat2/openat2_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
index 7fb902099de45..f9d2b0ec77564 100644
--- a/tools/testing/selftests/openat2/openat2_test.c
+++ b/tools/testing/selftests/openat2/openat2_test.c
@@ -5,6 +5,7 @@
  */
 
 #define _GNU_SOURCE
+#define __SANE_USERSPACE_TYPES__ // Use ll64
 #include <fcntl.h>
 #include <sched.h>
 #include <sys/stat.h>
-- 
2.43.0

[PATCH 5.15 21/87] Input: silead - Always support 10 fingers

[Greg Kroah-Hartman]

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

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

From: Hans de Goede <hdegoede@redhat.com>

[ Upstream commit 38a38f5a36da9820680d413972cb733349400532 ]

When support for Silead touchscreens was orginal added some touchscreens
with older firmware versions only supported 5 fingers and this was made
the default requiring the setting of a "silead,max-fingers=10" uint32
device-property for all touchscreen models which do support 10 fingers.

There are very few models with the old 5 finger fw, so in practice the
setting of the "silead,max-fingers=10" is boilerplate which needs to
be copy and pasted to every touchscreen config.

Reporting that 10 fingers are supported on devices which only support
5 fingers doesn't cause any problems for userspace in practice, since
at max 4 finger gestures are supported anyways. Drop the max_fingers
configuration and simply always assume 10 fingers.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20240525193854.39130-2-hdegoede@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/touchscreen/silead.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index 1ee760bac0cfa..3be59b7239a68 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -70,7 +70,6 @@ struct silead_ts_data {
 	struct regulator_bulk_data regulators[2];
 	char fw_name[64];
 	struct touchscreen_properties prop;
-	u32 max_fingers;
 	u32 chip_id;
 	struct input_mt_pos pos[SILEAD_MAX_FINGERS];
 	int slots[SILEAD_MAX_FINGERS];
@@ -98,7 +97,7 @@ static int silead_ts_request_input_dev(struct silead_ts_data *data)
 	input_set_abs_params(data->input, ABS_MT_POSITION_Y, 0, 4095, 0, 0);
 	touchscreen_parse_properties(data->input, true, &data->prop);
 
-	input_mt_init_slots(data->input, data->max_fingers,
+	input_mt_init_slots(data->input, SILEAD_MAX_FINGERS,
 			    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED |
 			    INPUT_MT_TRACK);
 
@@ -145,10 +144,10 @@ static void silead_ts_read_data(struct i2c_client *client)
 		return;
 	}
 
-	if (buf[0] > data->max_fingers) {
+	if (buf[0] > SILEAD_MAX_FINGERS) {
 		dev_warn(dev, "More touches reported then supported %d > %d\n",
-			 buf[0], data->max_fingers);
-		buf[0] = data->max_fingers;
+			 buf[0], SILEAD_MAX_FINGERS);
+		buf[0] = SILEAD_MAX_FINGERS;
 	}
 
 	touch_nr = 0;
@@ -200,7 +199,6 @@ static void silead_ts_read_data(struct i2c_client *client)
 
 static int silead_ts_init(struct i2c_client *client)
 {
-	struct silead_ts_data *data = i2c_get_clientdata(client);
 	int error;
 
 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,
@@ -210,7 +208,7 @@ static int silead_ts_init(struct i2c_client *client)
 	usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX);
 
 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR,
-					data->max_fingers);
+					  SILEAD_MAX_FINGERS);
 	if (error)
 		goto i2c_write_err;
 	usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX);
@@ -437,13 +435,6 @@ static void silead_ts_read_props(struct i2c_client *client)
 	const char *str;
 	int error;
 
-	error = device_property_read_u32(dev, "silead,max-fingers",
-					 &data->max_fingers);
-	if (error) {
-		dev_dbg(dev, "Max fingers read error %d\n", error);
-		data->max_fingers = 5; /* Most devices handle up-to 5 fingers */
-	}
-
 	error = device_property_read_string(dev, "firmware-name", &str);
 	if (!error)
 		snprintf(data->fw_name, sizeof(data->fw_name),
-- 
2.43.0

[PATCH 5.15 22/87] net: ipv6: rpl_iptunnel: block BH in rpl_output() and rpl_input()

[Greg Kroah-Hartman]

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

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

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit db0090c6eb12c31246438b7fe2a8f1b833e7a653 ]

As explained in commit 1378817486d6 ("tipc: block BH
before using dst_cache"), net/core/dst_cache.c
helpers need to be called with BH disabled.

Disabling preemption in rpl_output() is not good enough,
because rpl_output() is called from process context,
lwtunnel_output() only uses rcu_read_lock().

We might be interrupted by a softirq, re-enter rpl_output()
and corrupt dst_cache data structures.

Fix the race by using local_bh_disable() instead of
preempt_disable().

Apply a similar change in rpl_input().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Alexander Aring <aahringo@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20240531132636.2637995-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv6/rpl_iptunnel.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index ff691d9f4a04f..26adbe7f8a2f0 100644
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -212,9 +212,9 @@ static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 	if (unlikely(err))
 		goto drop;
 
-	preempt_disable();
+	local_bh_disable();
 	dst = dst_cache_get(&rlwt->cache);
-	preempt_enable();
+	local_bh_enable();
 
 	if (unlikely(!dst)) {
 		struct ipv6hdr *hdr = ipv6_hdr(skb);
@@ -234,9 +234,9 @@ static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 			goto drop;
 		}
 
-		preempt_disable();
+		local_bh_disable();
 		dst_cache_set_ip6(&rlwt->cache, dst, &fl6.saddr);
-		preempt_enable();
+		local_bh_enable();
 	}
 
 	skb_dst_drop(skb);
@@ -268,9 +268,8 @@ static int rpl_input(struct sk_buff *skb)
 		return err;
 	}
 
-	preempt_disable();
+	local_bh_disable();
 	dst = dst_cache_get(&rlwt->cache);
-	preempt_enable();
 
 	skb_dst_drop(skb);
 
@@ -278,14 +277,13 @@ static int rpl_input(struct sk_buff *skb)
 		ip6_route_input(skb);
 		dst = skb_dst(skb);
 		if (!dst->error) {
-			preempt_disable();
 			dst_cache_set_ip6(&rlwt->cache, dst,
 					  &ipv6_hdr(skb)->saddr);
-			preempt_enable();
 		}
 	} else {
 		skb_dst_set(skb, dst);
 	}
+	local_bh_enable();
 
 	err = skb_cow_head(skb, LL_RESERVED_SPACE(dst->dev));
 	if (unlikely(err))
-- 
2.43.0

[PATCH 5.15 23/87] ila: block BH in ila_output()

[Greg Kroah-Hartman]

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

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

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit cf28ff8e4c02e1ffa850755288ac954b6ff0db8c ]

As explained in commit 1378817486d6 ("tipc: block BH
before using dst_cache"), net/core/dst_cache.c
helpers need to be called with BH disabled.

ila_output() is called from lwtunnel_output()
possibly from process context, and under rcu_read_lock().

We might be interrupted by a softirq, re-enter ila_output()
and corrupt dst_cache data structures.

Fix the race by using local_bh_disable().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20240531132636.2637995-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv6/ila/ila_lwt.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c
index 8c1ce78956bae..9d37f7164e732 100644
--- a/net/ipv6/ila/ila_lwt.c
+++ b/net/ipv6/ila/ila_lwt.c
@@ -58,7 +58,9 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 		return orig_dst->lwtstate->orig_output(net, sk, skb);
 	}
 
+	local_bh_disable();
 	dst = dst_cache_get(&ilwt->dst_cache);
+	local_bh_enable();
 	if (unlikely(!dst)) {
 		struct ipv6hdr *ip6h = ipv6_hdr(skb);
 		struct flowi6 fl6;
@@ -86,8 +88,11 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 			goto drop;
 		}
 
-		if (ilwt->connected)
+		if (ilwt->connected) {
+			local_bh_disable();
 			dst_cache_set_ip6(&ilwt->dst_cache, dst, &fl6.saddr);
+			local_bh_enable();
+		}
 	}
 
 	skb_dst_set(skb, dst);
-- 
2.43.0

[PATCH 5.15 24/87] arm64: armv8_deprecated: Fix warning in isndep cpuhp starting process

[Greg Kroah-Hartman]

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

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

From: Wei Li <liwei391@huawei.com>

[ Upstream commit 14951beaec93696b092a906baa0f29322cf34004 ]

The function run_all_insn_set_hw_mode() is registered as startup callback
of 'CPUHP_AP_ARM64_ISNDEP_STARTING', it invokes set_hw_mode() methods of
all emulated instructions.

As the STARTING callbacks are not expected to fail, if one of the
set_hw_mode() fails, e.g. due to el0 mixed-endian is not supported for
'setend', it will report a warning:

```
CPU[2] cannot support the emulation of setend
CPU 2 UP state arm64/isndep:starting (136) failed (-22)
CPU2: Booted secondary processor 0x0000000002 [0x414fd0c1]
```

To fix it, add a check for INSN_UNAVAILABLE status and skip the process.

Signed-off-by: Wei Li <liwei391@huawei.com>
Tested-by: Huisong Li <lihuisong@huawei.com>
Link: https://lore.kernel.org/r/20240423093501.3460764-1-liwei391@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/kernel/armv8_deprecated.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 91eabe56093d6..91c29979aea79 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -471,6 +471,9 @@ static int run_all_insn_set_hw_mode(unsigned int cpu)
 	for (i = 0; i < ARRAY_SIZE(insn_emulations); i++) {
 		struct insn_emulation *insn = insn_emulations[i];
 		bool enable = READ_ONCE(insn->current_mode) == INSN_HW;
+		if (insn->status == INSN_UNAVAILABLE)
+			continue;
+
 		if (insn->set_hw_mode && insn->set_hw_mode(enable)) {
 			pr_warn("CPU[%u] cannot support the emulation of %s",
 				cpu, insn->name);
-- 
2.43.0

[PATCH 5.15 25/87] null_blk: fix validation of block size

[Greg Kroah-Hartman]

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

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

From: Andreas Hindborg <a.hindborg@samsung.com>

[ Upstream commit c462ecd659b5fce731f1d592285832fd6ad54053 ]

Block size should be between 512 and PAGE_SIZE and be a power of 2. The current
check does not validate this, so update the check.

Without this patch, null_blk would Oops due to a null pointer deref when
loaded with bs=1536 [1].

Link: https://lore.kernel.org/all/87wmn8mocd.fsf@metaspace.dk/

Signed-off-by: Andreas Hindborg <a.hindborg@samsung.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20240603192645.977968-1-nmi@metaspace.dk
[axboe: remove unnecessary braces and != 0 check]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/null_blk/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index ec78d9ad3e9bc..23c4a7b3d4e53 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1749,8 +1749,8 @@ static int null_validate_conf(struct nullb_device *dev)
 		return -EINVAL;
 	}
 
-	dev->blocksize = round_down(dev->blocksize, 512);
-	dev->blocksize = clamp_t(unsigned int, dev->blocksize, 512, 4096);
+	if (blk_validate_block_size(dev->blocksize))
+		return -EINVAL;
 
 	if (dev->queue_mode == NULL_Q_MQ && dev->use_per_node_hctx) {
 		if (dev->submit_queues != nr_online_nodes)
-- 
2.43.0

[PATCH 5.15 26/87] kconfig: gconf: give a proper initial state to the Save button

[Greg Kroah-Hartman]

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

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

From: Masahiro Yamada <masahiroy@kernel.org>

[ Upstream commit 46edf4372e336ef3a61c3126e49518099d2e2e6d ]

Currently, the initial state of the "Save" button is always active.

If none of the CONFIG options are changed while loading the .config
file, the "Save" button should be greyed out.

This can be fixed by calling conf_read() after widget initialization.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/kconfig/gconf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index 17adabfd6e6bf..5d1404178e482 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -1481,7 +1481,6 @@ int main(int ac, char *av[])
 
 	conf_parse(name);
 	fixup_rootmenu(&rootmenu);
-	conf_read(NULL);
 
 	/* Load the interface and connect signals */
 	init_main_window(glade_file);
@@ -1489,6 +1488,8 @@ int main(int ac, char *av[])
 	init_left_tree();
 	init_right_tree();
 
+	conf_read(NULL);
+
 	switch (view_mode) {
 	case SINGLE_VIEW:
 		display_tree_part();
-- 
2.43.0

[PATCH 5.15 27/87] kconfig: remove wrong expr_trans_bool()

[Greg Kroah-Hartman]

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

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

From: Masahiro Yamada <masahiroy@kernel.org>

[ Upstream commit 77a92660d8fe8d29503fae768d9f5eb529c88b36 ]

expr_trans_bool() performs an incorrect transformation.

[Test Code]

    config MODULES
            def_bool y
            modules

    config A
            def_bool y
            select C if B != n

    config B
            def_tristate m

    config C
            tristate

[Result]

    CONFIG_MODULES=y
    CONFIG_A=y
    CONFIG_B=m
    CONFIG_C=m

This output is incorrect because CONFIG_C=y is expected.

Documentation/kbuild/kconfig-language.rst clearly explains the function
of the '!=' operator:

    If the values of both symbols are equal, it returns 'n',
    otherwise 'y'.

Therefore, the statement:

    select C if B != n

should be equivalent to:

    select C if y

Or, more simply:

    select C

Hence, the symbol C should be selected by the value of A, which is 'y'.

However, expr_trans_bool() wrongly transforms it to:

    select C if B

Therefore, the symbol C is selected by (A && B), which is 'm'.

The comment block of expr_trans_bool() correctly explains its intention:

  * bool FOO!=n => FOO
    ^^^^

If FOO is bool, FOO!=n can be simplified into FOO. This is correct.

However, the actual code performs this transformation when FOO is
tristate:

    if (e->left.sym->type == S_TRISTATE) {
                             ^^^^^^^^^^

While it can be fixed to S_BOOLEAN, there is no point in doing so
because expr_tranform() already transforms FOO!=n to FOO when FOO is
bool. (see the "case E_UNEQUAL" part)

expr_trans_bool() is wrong and unnecessary.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/kconfig/expr.c | 29 -----------------------------
 scripts/kconfig/expr.h |  1 -
 scripts/kconfig/menu.c |  2 --
 3 files changed, 32 deletions(-)

diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 81ebf8108ca74..81dfdf4470f75 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -396,35 +396,6 @@ static struct expr *expr_eliminate_yn(struct expr *e)
 	return e;
 }
 
-/*
- * bool FOO!=n => FOO
- */
-struct expr *expr_trans_bool(struct expr *e)
-{
-	if (!e)
-		return NULL;
-	switch (e->type) {
-	case E_AND:
-	case E_OR:
-	case E_NOT:
-		e->left.expr = expr_trans_bool(e->left.expr);
-		e->right.expr = expr_trans_bool(e->right.expr);
-		break;
-	case E_UNEQUAL:
-		// FOO!=n -> FOO
-		if (e->left.sym->type == S_TRISTATE) {
-			if (e->right.sym == &symbol_no) {
-				e->type = E_SYMBOL;
-				e->right.sym = NULL;
-			}
-		}
-		break;
-	default:
-		;
-	}
-	return e;
-}
-
 /*
  * e1 || e2 -> ?
  */
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 9c9caca5bd5f2..c91060e19e477 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -296,7 +296,6 @@ void expr_free(struct expr *e);
 void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
 int expr_eq(struct expr *e1, struct expr *e2);
 tristate expr_calc_value(struct expr *e);
-struct expr *expr_trans_bool(struct expr *e);
 struct expr *expr_eliminate_dups(struct expr *e);
 struct expr *expr_transform(struct expr *e);
 int expr_contains_symbol(struct expr *dep, struct symbol *sym);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 606ba8a63c24e..8c53d9478be1f 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -380,8 +380,6 @@ void menu_finalize(struct menu *parent)
 				dep = expr_transform(dep);
 				dep = expr_alloc_and(expr_copy(basedep), dep);
 				dep = expr_eliminate_dups(dep);
-				if (menu->sym && menu->sym->type != S_TRISTATE)
-					dep = expr_trans_bool(dep);
 				prop->visible.expr = dep;
 
 				/*
-- 
2.43.0

[PATCH 5.15 28/87] fs/file: fix the check in find_next_fd()

[Greg Kroah-Hartman]

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

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

From: Yuntao Wang <yuntao.wang@linux.dev>

[ Upstream commit ed8c7fbdfe117abbef81f65428ba263118ef298a ]

The maximum possible return value of find_next_zero_bit(fdt->full_fds_bits,
maxbit, bitbit) is maxbit. This return value, multiplied by BITS_PER_LONG,
gives the value of bitbit, which can never be greater than maxfd, it can
only be equal to maxfd at most, so the following check 'if (bitbit > maxfd)'
will never be true.

Moreover, when bitbit equals maxfd, it indicates that there are no unused
fds, and the function can directly return.

Fix this check.

Signed-off-by: Yuntao Wang <yuntao.wang@linux.dev>
Link: https://lore.kernel.org/r/20240529160656.209352-1-yuntao.wang@linux.dev
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/file.c b/fs/file.c
index 69a51d37b66d9..b46a4a725a0ef 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -481,12 +481,12 @@ struct files_struct init_files = {
 
 static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start)
 {
-	unsigned int maxfd = fdt->max_fds;
+	unsigned int maxfd = fdt->max_fds; /* always multiple of BITS_PER_LONG */
 	unsigned int maxbit = maxfd / BITS_PER_LONG;
 	unsigned int bitbit = start / BITS_PER_LONG;
 
 	bitbit = find_next_zero_bit(fdt->full_fds_bits, maxbit, bitbit) * BITS_PER_LONG;
-	if (bitbit > maxfd)
+	if (bitbit >= maxfd)
 		return maxfd;
 	if (bitbit > start)
 		start = bitbit;
-- 
2.43.0

[PATCH 5.15 29/87] mei: demote client disconnect warning on suspend to debug

[Greg Kroah-Hartman]

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

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

From: Alexander Usyskin <alexander.usyskin@intel.com>

[ Upstream commit 1db5322b7e6b58e1b304ce69a50e9dca798ca95b ]

Change level for the "not connected" client message in the write
callback from error to debug.

The MEI driver currently disconnects all clients upon system suspend.
This behavior is by design and user-space applications with
open connections before the suspend are expected to handle errors upon
resume, by reopening their handles, reconnecting,
and retrying their operations.

However, the current driver implementation logs an error message every
time a write operation is attempted on a disconnected client.
Since this is a normal and expected flow after system resume
logging this as an error can be misleading.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240530091415.725247-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/mei/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 786f7c8f7f619..71f15fba21ad6 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -327,7 +327,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
 	}
 
 	if (!mei_cl_is_connected(cl)) {
-		cl_err(dev, cl, "is not connected");
+		cl_dbg(dev, cl, "is not connected");
 		rets = -ENODEV;
 		goto out;
 	}
-- 
2.43.0

[PATCH 5.15 30/87] nvme: avoid double free special payload

[Greg Kroah-Hartman]

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

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

From: Chunguang Xu <chunguang.xu@shopee.com>

[ Upstream commit e5d574ab37f5f2e7937405613d9b1a724811e5ad ]

If a discard request needs to be retried, and that retry may fail before
a new special payload is added, a double free will result. Clear the
RQF_SPECIAL_LOAD when the request is cleaned.

Signed-off-by: Chunguang Xu <chunguang.xu@shopee.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 960a31e3307a2..93a19588ae92a 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -981,6 +981,7 @@ void nvme_cleanup_cmd(struct request *req)
 			clear_bit_unlock(0, &ctrl->discard_page_busy);
 		else
 			kfree(bvec_virt(&req->special_vec));
+		req->rq_flags &= ~RQF_SPECIAL_PAYLOAD;
 	}
 }
 EXPORT_SYMBOL_GPL(nvme_cleanup_cmd);
-- 
2.43.0

[PATCH 5.15 31/87] wifi: cfg80211: wext: add extra SIOCSIWSCAN data check

[Greg Kroah-Hartman]

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

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

From: Dmitry Antipov <dmantipov@yandex.ru>

[ Upstream commit 6ef09cdc5ba0f93826c09d810c141a8d103a80fc ]

In 'cfg80211_wext_siwscan()', add extra check whether number of
channels passed via 'ioctl(sock, SIOCSIWSCAN, ...)' doesn't exceed
IW_MAX_FREQUENCIES and reject invalid request with -EINVAL otherwise.

Reported-by: syzbot+253cd2d2491df77c93ac@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=253cd2d2491df77c93ac
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://msgid.link/20240531032010.451295-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/wireless/scan.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2898df10a72ae..a444eb84d621e 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2782,10 +2782,14 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 	wiphy = &rdev->wiphy;
 
 	/* Determine number of channels, needed to allocate creq */
-	if (wreq && wreq->num_channels)
+	if (wreq && wreq->num_channels) {
+		/* Passed from userspace so should be checked */
+		if (unlikely(wreq->num_channels > IW_MAX_FREQUENCIES))
+			return -EINVAL;
 		n_channels = wreq->num_channels;
-	else
+	} else {
 		n_channels = ieee80211_get_num_supported_channels(wiphy);
+	}
 
 	creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) +
 		       n_channels * sizeof(void *),
-- 
2.43.0

[PATCH 5.15 32/87] KVM: PPC: Book3S HV: Prevent UAF in kvm_spapr_tce_attach_iommu_group()

[Greg Kroah-Hartman]

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

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

From: Michael Ellerman <mpe@ellerman.id.au>

[ Upstream commit a986fa57fd81a1430e00b3c6cf8a325d6f894a63 ]

Al reported a possible use-after-free (UAF) in kvm_spapr_tce_attach_iommu_group().

It looks up `stt` from tablefd, but then continues to use it after doing
fdput() on the returned fd. After the fdput() the tablefd is free to be
closed by another thread. The close calls kvm_spapr_tce_release() and
then release_spapr_tce_table() (via call_rcu()) which frees `stt`.

Although there are calls to rcu_read_lock() in
kvm_spapr_tce_attach_iommu_group() they are not sufficient to prevent
the UAF, because `stt` is used outside the locked regions.

With an artifcial delay after the fdput() and a userspace program which
triggers the race, KASAN detects the UAF:

  BUG: KASAN: slab-use-after-free in kvm_spapr_tce_attach_iommu_group+0x298/0x720 [kvm]
  Read of size 4 at addr c000200027552c30 by task kvm-vfio/2505
  CPU: 54 PID: 2505 Comm: kvm-vfio Not tainted 6.10.0-rc3-next-20240612-dirty #1
  Hardware name: 8335-GTH POWER9 0x4e1202 opal:skiboot-v6.5.3-35-g1851b2a06 PowerNV
  Call Trace:
    dump_stack_lvl+0xb4/0x108 (unreliable)
    print_report+0x2b4/0x6ec
    kasan_report+0x118/0x2b0
    __asan_load4+0xb8/0xd0
    kvm_spapr_tce_attach_iommu_group+0x298/0x720 [kvm]
    kvm_vfio_set_attr+0x524/0xac0 [kvm]
    kvm_device_ioctl+0x144/0x240 [kvm]
    sys_ioctl+0x62c/0x1810
    system_call_exception+0x190/0x440
    system_call_vectored_common+0x15c/0x2ec
  ...
  Freed by task 0:
   ...
   kfree+0xec/0x3e0
   release_spapr_tce_table+0xd4/0x11c [kvm]
   rcu_core+0x568/0x16a0
   handle_softirqs+0x23c/0x920
   do_softirq_own_stack+0x6c/0x90
   do_softirq_own_stack+0x58/0x90
   __irq_exit_rcu+0x218/0x2d0
   irq_exit+0x30/0x80
   arch_local_irq_restore+0x128/0x230
   arch_local_irq_enable+0x1c/0x30
   cpuidle_enter_state+0x134/0x5cc
   cpuidle_enter+0x6c/0xb0
   call_cpuidle+0x7c/0x100
   do_idle+0x394/0x410
   cpu_startup_entry+0x60/0x70
   start_secondary+0x3fc/0x410
   start_secondary_prolog+0x10/0x14

Fix it by delaying the fdput() until `stt` is no longer in use, which
is effectively the entire function. To keep the patch minimal add a call
to fdput() at each of the existing return paths. Future work can convert
the function to goto or __cleanup style cleanup.

With the fix in place the test case no longer triggers the UAF.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Closes: https://lore.kernel.org/all/20240610024437.GA1464458@ZenIV/
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240614122910.3499489-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/kvm/book3s_64_vio.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index 3cb2e05a7ee83..a8e5eefee794f 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -117,14 +117,16 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
 	}
 	rcu_read_unlock();
 
-	fdput(f);
-
-	if (!found)
+	if (!found) {
+		fdput(f);
 		return -EINVAL;
+	}
 
 	table_group = iommu_group_get_iommudata(grp);
-	if (WARN_ON(!table_group))
+	if (WARN_ON(!table_group)) {
+		fdput(f);
 		return -EFAULT;
+	}
 
 	for (i = 0; i < IOMMU_TABLE_GROUP_MAX_TABLES; ++i) {
 		struct iommu_table *tbltmp = table_group->tables[i];
@@ -145,8 +147,10 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
 			break;
 		}
 	}
-	if (!tbl)
+	if (!tbl) {
+		fdput(f);
 		return -EINVAL;
+	}
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(stit, &stt->iommu_tables, next) {
@@ -157,6 +161,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
 			/* stit is being destroyed */
 			iommu_tce_table_put(tbl);
 			rcu_read_unlock();
+			fdput(f);
 			return -ENOTTY;
 		}
 		/*
@@ -164,6 +169,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
 		 * its KVM reference counter and can return.
 		 */
 		rcu_read_unlock();
+		fdput(f);
 		return 0;
 	}
 	rcu_read_unlock();
@@ -171,6 +177,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
 	stit = kzalloc(sizeof(*stit), GFP_KERNEL);
 	if (!stit) {
 		iommu_tce_table_put(tbl);
+		fdput(f);
 		return -ENOMEM;
 	}
 
@@ -179,6 +186,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
 
 	list_add_rcu(&stit->next, &stt->iommu_tables);
 
+	fdput(f);
 	return 0;
 }
 
-- 
2.43.0

[PATCH 5.15 33/87] drm/vmwgfx: Fix missing HYPERVISOR_GUEST dependency

[Greg Kroah-Hartman]

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

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

From: Alexey Makhalov <alexey.makhalov@broadcom.com>

[ Upstream commit 8c4d6945fe5bd04ff847c3c788abd34ca354ecee ]

VMWARE_HYPERCALL alternative will not work as intended without VMware guest code
initialization.

  [ bp: note that this doesn't reproduce with newer gccs so it must be
    something gcc-9-specific. ]

Closes: https://lore.kernel.org/oe-kbuild-all/202406152104.FxakP1MB-lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240616012511.198243-1-alexey.makhalov@broadcom.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/vmwgfx/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index c9ce47c448e03..5b9a9fba85421 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -2,7 +2,7 @@
 config DRM_VMWGFX
 	tristate "DRM driver for VMware Virtual GPU"
 	depends on DRM && PCI && MMU
-	depends on X86 || ARM64
+	depends on (X86 && HYPERVISOR_GUEST) || ARM64
 	select DRM_TTM
 	select MAPPING_DIRTY_HELPERS
 	# Only needed for the transitional use of drm_crtc_init - can be removed
-- 
2.43.0

[PATCH 5.15 34/87] ALSA: hda/realtek: Add more codec ID to no shutup pins list

[Greg Kroah-Hartman]

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

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

From: Kailang Yang <kailang@realtek.com>

[ Upstream commit 70794b9563fe011988bcf6a081af9777e63e8d37 ]

If it enter to runtime D3 state, it didn't shutup Headset MIC pin.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/r/8d86f61e7d6f4a03b311e4eb4e5caaef@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/pci/hda/patch_realtek.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 6e3772f2d6bcd..aeecc208e7fa0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -577,10 +577,14 @@ static void alc_shutup_pins(struct hda_codec *codec)
 	switch (codec->core.vendor_id) {
 	case 0x10ec0236:
 	case 0x10ec0256:
+	case 0x10ec0257:
 	case 0x19e58326:
 	case 0x10ec0283:
+	case 0x10ec0285:
 	case 0x10ec0286:
+	case 0x10ec0287:
 	case 0x10ec0288:
+	case 0x10ec0295:
 	case 0x10ec0298:
 		alc_headset_mic_no_shutup(codec);
 		break;
-- 
2.43.0

[PATCH 5.15 35/87] mips: fix compat_sys_lseek syscall

[Greg Kroah-Hartman]

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

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

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 0d5679a0aae2d8cda72169452c32e5cb88a7ab33 ]

This is almost compatible, but passing a negative offset should result
in a EINVAL error, but on mips o32 compat mode would seek to a large
32-bit byte offset.

Use compat_sys_lseek() to correctly sign-extend the argument.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/kernel/syscalls/syscall_o32.tbl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index ec1119760cd3c..cd107ca10e69a 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -27,7 +27,7 @@
 17	o32	break				sys_ni_syscall
 # 18 was sys_stat
 18	o32	unused18			sys_ni_syscall
-19	o32	lseek				sys_lseek
+19	o32	lseek				sys_lseek			compat_sys_lseek
 20	o32	getpid				sys_getpid
 21	o32	mount				sys_mount
 22	o32	umount				sys_oldumount
-- 
2.43.0

[PATCH 5.15 36/87] Input: elantech - fix touchpad state on resume for Lenovo N24

[Greg Kroah-Hartman]

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

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

From: Jonathan Denose <jdenose@google.com>

[ Upstream commit a69ce592cbe0417664bc5a075205aa75c2ec1273 ]

The Lenovo N24 on resume becomes stuck in a state where it
sends incorrect packets, causing elantech_packet_check_v4 to fail.
The only way for the device to resume sending the correct packets is for
it to be disabled and then re-enabled.

This change adds a dmi check to trigger this behavior on resume.

Signed-off-by: Jonathan Denose <jdenose@google.com>
Link: https://lore.kernel.org/r/20240503155020.v2.1.Ifa0e25ebf968d8f307f58d678036944141ab17e6@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/mouse/elantech.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 4e38229404b4b..b4723ea395eb9 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1476,16 +1476,47 @@ static void elantech_disconnect(struct psmouse *psmouse)
 	psmouse->private = NULL;
 }
 
+/*
+ * Some hw_version 4 models fail to properly activate absolute mode on
+ * resume without going through disable/enable cycle.
+ */
+static const struct dmi_system_id elantech_needs_reenable[] = {
+#if defined(CONFIG_DMI) && defined(CONFIG_X86)
+	{
+		/* Lenovo N24 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "81AF"),
+		},
+	},
+#endif
+	{ }
+};
+
 /*
  * Put the touchpad back into absolute mode when reconnecting
  */
 static int elantech_reconnect(struct psmouse *psmouse)
 {
+	int err;
+
 	psmouse_reset(psmouse);
 
 	if (elantech_detect(psmouse, 0))
 		return -1;
 
+	if (dmi_check_system(elantech_needs_reenable)) {
+		err = ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE);
+		if (err)
+			psmouse_warn(psmouse, "failed to deactivate mouse on %s: %d\n",
+				     psmouse->ps2dev.serio->phys, err);
+
+		err = ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE);
+		if (err)
+			psmouse_warn(psmouse, "failed to reactivate mouse on %s: %d\n",
+				     psmouse->ps2dev.serio->phys, err);
+	}
+
 	if (elantech_set_absolute_mode(psmouse)) {
 		psmouse_err(psmouse,
 			    "failed to put touchpad back into absolute mode.\n");
-- 
2.43.0

[PATCH 5.15 37/87] Input: i8042 - add Ayaneo Kun to i8042 quirk table

[Greg Kroah-Hartman]

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

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

From: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>

[ Upstream commit 955af6355ddfe35140f9706a635838212a32513b ]

See the added comment for details. Also fix a typo in the
quirk's define.

Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Link: https://lore.kernel.org/r/20240531190100.3874731-1-tjakobi@math.uni-bielefeld.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/serio/i8042-acpipnpio.h | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
index d4792950bcffd..49d87f56cb909 100644
--- a/drivers/input/serio/i8042-acpipnpio.h
+++ b/drivers/input/serio/i8042-acpipnpio.h
@@ -75,7 +75,7 @@ static inline void i8042_write_command(int val)
 #define SERIO_QUIRK_PROBE_DEFER		BIT(5)
 #define SERIO_QUIRK_RESET_ALWAYS	BIT(6)
 #define SERIO_QUIRK_RESET_NEVER		BIT(7)
-#define SERIO_QUIRK_DIECT		BIT(8)
+#define SERIO_QUIRK_DIRECT		BIT(8)
 #define SERIO_QUIRK_DUMBKBD		BIT(9)
 #define SERIO_QUIRK_NOLOOP		BIT(10)
 #define SERIO_QUIRK_NOTIMEOUT		BIT(11)
@@ -1295,6 +1295,20 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
+	{
+		/*
+		 * The Ayaneo Kun is a handheld device where some the buttons
+		 * are handled by an AT keyboard. The keyboard is usually
+		 * detected as raw, but sometimes, usually after a cold boot,
+		 * it is detected as translated. Make sure that the keyboard
+		 * is always in raw mode.
+		 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"),
+			DMI_MATCH(DMI_BOARD_NAME, "KUN"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_DIRECT)
+	},
 	{ }
 };
 
@@ -1613,7 +1627,7 @@ static void __init i8042_check_quirks(void)
 		if (quirks & SERIO_QUIRK_RESET_NEVER)
 			i8042_reset = I8042_RESET_NEVER;
 	}
-	if (quirks & SERIO_QUIRK_DIECT)
+	if (quirks & SERIO_QUIRK_DIRECT)
 		i8042_direct = true;
 	if (quirks & SERIO_QUIRK_DUMBKBD)
 		i8042_dumbkbd = true;
-- 
2.43.0

[PATCH 5.15 38/87] bytcr_rt5640 : inverse jack detect for Archos 101 cesium

[Greg Kroah-Hartman]

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

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

From: Thomas GENTY <tomlohave@gmail.com>

[ Upstream commit e3209a1827646daaab744aa6a5767b1f57fb5385 ]

When headphones are plugged in, they appear absent; when they are removed,
they appear present.
Add a specific entry in bytcr_rt5640 for this device

Signed-off-by: Thomas GENTY <tomlohave@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240608170251.99936-1-tomlohave@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/bytcr_rt5640.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 434679afa7e1a..3d2a0e8cad9a5 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -607,6 +607,17 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 					BYT_RT5640_SSP0_AIF1 |
 					BYT_RT5640_MCLK_EN),
 	},
+	{
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 101 CESIUM"),
+		},
+		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
+					BYT_RT5640_JD_NOT_INV |
+					BYT_RT5640_DIFF_MIC |
+					BYT_RT5640_SSP0_AIF1 |
+					BYT_RT5640_MCLK_EN),
+	},
 	{
 		.matches = {
 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
-- 
2.43.0

[PATCH 5.15 39/87] ALSA: dmaengine: Synchronize dma channel after drop()

[Greg Kroah-Hartman]

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

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

From: Jai Luthra <j-luthra@ti.com>

[ Upstream commit e8343410ddf08fc36a9b9cc7c51a4e53a262d4c6 ]

Sometimes the stream may be stopped due to XRUN events, in which case
the userspace can call snd_pcm_drop() and snd_pcm_prepare() to stop and
start the stream again.

In these cases, we must wait for the DMA channel to synchronize before
marking the stream as prepared for playback, as the DMA channel gets
stopped by drop() without any synchronization. Make sure the ALSA core
synchronizes the DMA channel by adding a sync_stop() hook.

Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20240611-asoc_next-v3-1-fcfd84b12164@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/sound/dmaengine_pcm.h         |  1 +
 sound/core/pcm_dmaengine.c            | 10 ++++++++++
 sound/soc/soc-generic-dmaengine-pcm.c |  8 ++++++++
 3 files changed, 19 insertions(+)

diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index 96666efddb396..6d9c94a570733 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -34,6 +34,7 @@ snd_pcm_uframes_t snd_dmaengine_pcm_pointer_no_residue(struct snd_pcm_substream
 int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream,
 	struct dma_chan *chan);
 int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream);
+int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream);
 
 int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream,
 	dma_filter_fn filter_fn, void *filter_data);
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 0fe93b423c4ed..3e479dca122a0 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -344,6 +344,16 @@ int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream,
 }
 EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan);
 
+int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream)
+{
+	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+
+	dmaengine_synchronize(prtd->dma_chan);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_sync_stop);
+
 /**
  * snd_dmaengine_pcm_close - Close a dmaengine based PCM substream
  * @substream: PCM substream
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 4aa48c74f21a0..fa1f91c34834f 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -323,6 +323,12 @@ static int dmaengine_copy_user(struct snd_soc_component *component,
 	return 0;
 }
 
+static int dmaengine_pcm_sync_stop(struct snd_soc_component *component,
+				   struct snd_pcm_substream *substream)
+{
+	return snd_dmaengine_pcm_sync_stop(substream);
+}
+
 static const struct snd_soc_component_driver dmaengine_pcm_component = {
 	.name		= SND_DMAENGINE_PCM_DRV_NAME,
 	.probe_order	= SND_SOC_COMP_ORDER_LATE,
@@ -332,6 +338,7 @@ static const struct snd_soc_component_driver dmaengine_pcm_component = {
 	.trigger	= dmaengine_pcm_trigger,
 	.pointer	= dmaengine_pcm_pointer,
 	.pcm_construct	= dmaengine_pcm_new,
+	.sync_stop	= dmaengine_pcm_sync_stop,
 };
 
 static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
@@ -344,6 +351,7 @@ static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
 	.pointer	= dmaengine_pcm_pointer,
 	.copy_user	= dmaengine_copy_user,
 	.pcm_construct	= dmaengine_pcm_new,
+	.sync_stop	= dmaengine_pcm_sync_stop,
 };
 
 static const char * const dmaengine_pcm_dma_channel_names[] = {
-- 
2.43.0

[PATCH 5.15 40/87] ASoC: ti: davinci-mcasp: Set min period size using FIFO config

[Greg Kroah-Hartman]

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

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

From: Jai Luthra <j-luthra@ti.com>

[ Upstream commit c5dcf8ab10606e76c1d8a0ec77f27d84a392e874 ]

The minimum period size was enforced to 64 as older devices integrating
McASP with EDMA used an internal FIFO of 64 samples.

With UDMA based platforms this internal McASP FIFO is optional, as the
DMA engine internally does some buffering which is already accounted for
when registering the platform. So we should read the actual FIFO
configuration (txnumevt/rxnumevt) instead of hardcoding frames.min to
64.

Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20240611-asoc_next-v3-2-fcfd84b12164@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/ti/davinci-mcasp.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c
index 5b82329f44401..dbd30604816e5 100644
--- a/sound/soc/ti/davinci-mcasp.c
+++ b/sound/soc/ti/davinci-mcasp.c
@@ -1472,10 +1472,11 @@ static int davinci_mcasp_hw_rule_min_periodsize(
 {
 	struct snd_interval *period_size = hw_param_interval(params,
 						SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+	u8 numevt = *((u8 *)rule->private);
 	struct snd_interval frames;
 
 	snd_interval_any(&frames);
-	frames.min = 64;
+	frames.min = numevt;
 	frames.integer = 1;
 
 	return snd_interval_refine(period_size, &frames);
@@ -1490,6 +1491,7 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
 	u32 max_channels = 0;
 	int i, dir, ret;
 	int tdm_slots = mcasp->tdm_slots;
+	u8 *numevt;
 
 	/* Do not allow more then one stream per direction */
 	if (mcasp->substreams[substream->stream])
@@ -1589,9 +1591,12 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
 			return ret;
 	}
 
+	numevt = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+			 &mcasp->txnumevt :
+			 &mcasp->rxnumevt;
 	snd_pcm_hw_rule_add(substream->runtime, 0,
 			    SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
-			    davinci_mcasp_hw_rule_min_periodsize, NULL,
+			    davinci_mcasp_hw_rule_min_periodsize, numevt,
 			    SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
 
 	return 0;
-- 
2.43.0

[PATCH 5.15 41/87] ASoC: ti: omap-hdmi: Fix too long driver name

[Greg Kroah-Hartman]

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

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

From: Primoz Fiser <primoz.fiser@norik.com>

[ Upstream commit 524d3f126362b6033e92cbe107ae2158d7fbff94 ]

Set driver name to "HDMI". This simplifies the code and gets rid of
the following error messages:

  ASoC: driver name too long 'HDMI 58040000.encoder' -> 'HDMI_58040000_e'

Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20240610125847.773394-1-primoz.fiser@norik.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/ti/omap-hdmi.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/sound/soc/ti/omap-hdmi.c b/sound/soc/ti/omap-hdmi.c
index 3328c02f93c74..1dfe439d13417 100644
--- a/sound/soc/ti/omap-hdmi.c
+++ b/sound/soc/ti/omap-hdmi.c
@@ -353,11 +353,7 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev)
 	if (!card)
 		return -ENOMEM;
 
-	card->name = devm_kasprintf(dev, GFP_KERNEL,
-				    "HDMI %s", dev_name(ad->dssdev));
-	if (!card->name)
-		return -ENOMEM;
-
+	card->name = "HDMI";
 	card->owner = THIS_MODULE;
 	card->dai_link =
 		devm_kzalloc(dev, sizeof(*(card->dai_link)), GFP_KERNEL);
-- 
2.43.0

[PATCH 5.15 42/87] can: kvaser_usb: fix return value for hif_usb_send_regout

[Greg Kroah-Hartman]

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

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

From: Chen Ni <nichen@iscas.ac.cn>

[ Upstream commit 0d34d8163fd87978a6abd792e2d8ad849f4c3d57 ]

As the potential failure of usb_submit_urb(), it should be better to
return the err variable to catch the error.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/all/20240521041020.1519416-1-nichen@iscas.ac.cn
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
index 573d3a66711ab..95ed200553929 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
@@ -293,7 +293,7 @@ int kvaser_usb_send_cmd_async(struct kvaser_usb_net_priv *priv, void *cmd,
 	}
 	usb_free_urb(urb);
 
-	return 0;
+	return err;
 }
 
 int kvaser_usb_can_rx_over_error(struct net_device *netdev)
-- 
2.43.0

[PATCH 5.15 43/87] s390/sclp: Fix sclp_init() cleanup on failure

[Greg Kroah-Hartman]

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

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

From: Heiko Carstens <hca@linux.ibm.com>

[ Upstream commit 6434b33faaa063df500af355ee6c3942e0f8d982 ]

If sclp_init() fails it only partially cleans up: if there are multiple
failing calls to sclp_init() sclp_state_change_event will be added several
times to sclp_reg_list, which results in the following warning:

------------[ cut here ]------------
list_add double add: new=000003ffe1598c10, prev=000003ffe1598bf0, next=000003ffe1598c10.
WARNING: CPU: 0 PID: 1 at lib/list_debug.c:35 __list_add_valid_or_report+0xde/0xf8
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-rc3
Krnl PSW : 0404c00180000000 000003ffe0d6076a (__list_add_valid_or_report+0xe2/0xf8)
           R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3
...
Call Trace:
 [<000003ffe0d6076a>] __list_add_valid_or_report+0xe2/0xf8
([<000003ffe0d60766>] __list_add_valid_or_report+0xde/0xf8)
 [<000003ffe0a8d37e>] sclp_init+0x40e/0x450
 [<000003ffe00009f2>] do_one_initcall+0x42/0x1e0
 [<000003ffe15b77a6>] do_initcalls+0x126/0x150
 [<000003ffe15b7a0a>] kernel_init_freeable+0x1ba/0x1f8
 [<000003ffe0d6650e>] kernel_init+0x2e/0x180
 [<000003ffe000301c>] __ret_from_fork+0x3c/0x60
 [<000003ffe0d759ca>] ret_from_fork+0xa/0x30

Fix this by removing sclp_state_change_event from sclp_reg_list when
sclp_init() fails.

Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/char/sclp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 2cf7fe131ecec..0830ea42e7c80 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -1292,6 +1292,7 @@ sclp_init(void)
 fail_unregister_reboot_notifier:
 	unregister_reboot_notifier(&sclp_reboot_notifier);
 fail_init_state_uninitialized:
+	list_del(&sclp_state_change_event.list);
 	sclp_init_state = sclp_init_state_uninitialized;
 	free_page((unsigned long) sclp_read_sccb);
 	free_page((unsigned long) sclp_init_sccb);
-- 
2.43.0

[PATCH 5.15 44/87] platform/x86: wireless-hotkey: Add support for LG Airplane Button

[Greg Kroah-Hartman]

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

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

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit 151e78a0b89ee6dec93382dbdf5b1ef83f9c4716 ]

The LGEX0815 ACPI device is used by the "LG Airplane Mode Button"
Windows driver for handling rfkill requests. When the ACPI device
receives an 0x80 ACPI notification, an rfkill event is to be
send to userspace.

Add support for the LGEX0815 ACPI device to the driver.

Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/wireless-hotkey.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/wireless-hotkey.c b/drivers/platform/x86/wireless-hotkey.c
index 11c60a2734468..61ae722643e5a 100644
--- a/drivers/platform/x86/wireless-hotkey.c
+++ b/drivers/platform/x86/wireless-hotkey.c
@@ -19,6 +19,7 @@ MODULE_AUTHOR("Alex Hung");
 MODULE_ALIAS("acpi*:HPQ6001:*");
 MODULE_ALIAS("acpi*:WSTADEF:*");
 MODULE_ALIAS("acpi*:AMDI0051:*");
+MODULE_ALIAS("acpi*:LGEX0815:*");
 
 static struct input_dev *wl_input_dev;
 
@@ -26,6 +27,7 @@ static const struct acpi_device_id wl_ids[] = {
 	{"HPQ6001", 0},
 	{"WSTADEF", 0},
 	{"AMDI0051", 0},
+	{"LGEX0815", 0},
 	{"", 0},
 };
 
-- 
2.43.0

[PATCH 5.15 45/87] platform/x86: lg-laptop: Remove LGEX0815 hotkey handling

[Greg Kroah-Hartman]

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

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

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit 413c204595ca98a4f33414a948c18d7314087342 ]

The rfkill hotkey handling is already provided by the wireless-hotkey
driver. Remove the now unnecessary rfkill hotkey handling to avoid
duplicating functionality.

The ACPI notify handler still prints debugging information when
receiving ACPI notifications to aid in reverse-engineering.

Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-3-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/lg-laptop.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index 88b551caeaaf4..96960f96f775c 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -83,7 +83,6 @@ static const struct key_entry wmi_keymap[] = {
 					  * this key both sends an event and
 					  * changes backlight level.
 					  */
-	{KE_KEY, 0x80, {KEY_RFKILL} },
 	{KE_END, 0}
 };
 
@@ -271,14 +270,7 @@ static void wmi_input_setup(void)
 
 static void acpi_notify(struct acpi_device *device, u32 event)
 {
-	struct key_entry *key;
-
 	acpi_handle_debug(device->handle, "notify: %d\n", event);
-	if (inited & INIT_SPARSE_KEYMAP) {
-		key = sparse_keymap_entry_from_scancode(wmi_input_dev, 0x80);
-		if (key && key->type == KE_KEY)
-			sparse_keymap_report_entry(wmi_input_dev, key, 1, true);
-	}
 }
 
 static ssize_t fan_mode_store(struct device *dev,
-- 
2.43.0

[PATCH 5.15 46/87] platform/x86: lg-laptop: Change ACPI device id

[Greg Kroah-Hartman]

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

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

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit 58a54f27a0dac81f7fd3514be01012635219a53c ]

The LGEX0815 ACPI device id is used for handling hotkey events, but
this functionality is already handled by the wireless-hotkey driver.

The LGEX0820 ACPI device id however is used to manage various
platform features using the WMAB/WMBB ACPI methods. Use this ACPI
device id to avoid blocking the wireless-hotkey driver from probing.

Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-4-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/lg-laptop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index 96960f96f775c..807bd4283b979 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -718,7 +718,7 @@ static int acpi_remove(struct acpi_device *device)
 }
 
 static const struct acpi_device_id device_ids[] = {
-	{"LGEX0815", 0},
+	{"LGEX0820", 0},
 	{"", 0}
 };
 MODULE_DEVICE_TABLE(acpi, device_ids);
-- 
2.43.0

[PATCH 5.15 47/87] platform/x86: lg-laptop: Use ACPI device handle when evaluating WMAB/WMBB

[Greg Kroah-Hartman]

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

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

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit b27ea279556121b54d3f45d0529706cf100cdb3a ]

On the LG Gram 16Z90S, the WMAB and WMBB ACPI methods are not mapped
under \XINI, but instead are mapped under \_SB.XINI.

The reason for this is that the LGEX0820 ACPI device used by this
driver is mapped at \_SB.XINI, so the ACPI methods where moved as well
to appear below the LGEX0820 ACPI device.

Fix this by using the ACPI handle from the ACPI device when evaluating
both methods.

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218901
Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-5-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/lg-laptop.c | 79 +++++++++++++-------------------
 1 file changed, 33 insertions(+), 46 deletions(-)

diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index 807bd4283b979..5f9fbea8fc3c2 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -37,8 +37,6 @@ MODULE_LICENSE("GPL");
 #define WMI_METHOD_WMBB "2B4F501A-BD3C-4394-8DCF-00A7D2BC8210"
 #define WMI_EVENT_GUID  WMI_EVENT_GUID0
 
-#define WMAB_METHOD     "\\XINI.WMAB"
-#define WMBB_METHOD     "\\XINI.WMBB"
 #define SB_GGOV_METHOD  "\\_SB.GGOV"
 #define GOV_TLED        0x2020008
 #define WM_GET          1
@@ -73,7 +71,7 @@ static u32 inited;
 
 static int battery_limit_use_wmbb;
 static struct led_classdev kbd_backlight;
-static enum led_brightness get_kbd_backlight_level(void);
+static enum led_brightness get_kbd_backlight_level(struct device *dev);
 
 static const struct key_entry wmi_keymap[] = {
 	{KE_KEY, 0x70, {KEY_F15} },	 /* LG control panel (F1) */
@@ -126,11 +124,10 @@ static int ggov(u32 arg0)
 	return res;
 }
 
-static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
+static union acpi_object *lg_wmab(struct device *dev, u32 method, u32 arg1, u32 arg2)
 {
 	union acpi_object args[3];
 	acpi_status status;
-	acpi_handle handle;
 	struct acpi_object_list arg;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
@@ -141,29 +138,22 @@ static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
 	args[2].type = ACPI_TYPE_INTEGER;
 	args[2].integer.value = arg2;
 
-	status = acpi_get_handle(NULL, (acpi_string) WMAB_METHOD, &handle);
-	if (ACPI_FAILURE(status)) {
-		pr_err("Cannot get handle");
-		return NULL;
-	}
-
 	arg.count = 3;
 	arg.pointer = args;
 
-	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
+	status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMAB", &arg, &buffer);
 	if (ACPI_FAILURE(status)) {
-		acpi_handle_err(handle, "WMAB: call failed.\n");
+		dev_err(dev, "WMAB: call failed.\n");
 		return NULL;
 	}
 
 	return buffer.pointer;
 }
 
-static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
+static union acpi_object *lg_wmbb(struct device *dev, u32 method_id, u32 arg1, u32 arg2)
 {
 	union acpi_object args[3];
 	acpi_status status;
-	acpi_handle handle;
 	struct acpi_object_list arg;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	u8 buf[32];
@@ -179,18 +169,12 @@ static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
 	args[2].buffer.length = 32;
 	args[2].buffer.pointer = buf;
 
-	status = acpi_get_handle(NULL, (acpi_string)WMBB_METHOD, &handle);
-	if (ACPI_FAILURE(status)) {
-		pr_err("Cannot get handle");
-		return NULL;
-	}
-
 	arg.count = 3;
 	arg.pointer = args;
 
-	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
+	status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMBB", &arg, &buffer);
 	if (ACPI_FAILURE(status)) {
-		acpi_handle_err(handle, "WMAB: call failed.\n");
+		dev_err(dev, "WMBB: call failed.\n");
 		return NULL;
 	}
 
@@ -221,7 +205,7 @@ static void wmi_notify(u32 value, void *context)
 
 		if (eventcode == 0x10000000) {
 			led_classdev_notify_brightness_hw_changed(
-				&kbd_backlight, get_kbd_backlight_level());
+				&kbd_backlight, get_kbd_backlight_level(kbd_backlight.dev->parent));
 		} else {
 			key = sparse_keymap_entry_from_scancode(
 				wmi_input_dev, eventcode);
@@ -286,7 +270,7 @@ static ssize_t fan_mode_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
+	r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -297,9 +281,9 @@ static ssize_t fan_mode_store(struct device *dev,
 
 	m = r->integer.value;
 	kfree(r);
-	r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
+	r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
 	kfree(r);
-	r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
+	r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
 	kfree(r);
 
 	return count;
@@ -311,7 +295,7 @@ static ssize_t fan_mode_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
+	r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -338,7 +322,7 @@ static ssize_t usb_charge_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmbb(WMBB_USB_CHARGE, WM_SET, value);
+	r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_SET, value);
 	if (!r)
 		return -EIO;
 
@@ -352,7 +336,7 @@ static ssize_t usb_charge_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmbb(WMBB_USB_CHARGE, WM_GET, 0);
+	r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -380,7 +364,7 @@ static ssize_t reader_mode_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmab(WM_READER_MODE, WM_SET, value);
+	r = lg_wmab(dev, WM_READER_MODE, WM_SET, value);
 	if (!r)
 		return -EIO;
 
@@ -394,7 +378,7 @@ static ssize_t reader_mode_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmab(WM_READER_MODE, WM_GET, 0);
+	r = lg_wmab(dev, WM_READER_MODE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -422,7 +406,7 @@ static ssize_t fn_lock_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmab(WM_FN_LOCK, WM_SET, value);
+	r = lg_wmab(dev, WM_FN_LOCK, WM_SET, value);
 	if (!r)
 		return -EIO;
 
@@ -436,7 +420,7 @@ static ssize_t fn_lock_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmab(WM_FN_LOCK, WM_GET, 0);
+	r = lg_wmab(dev, WM_FN_LOCK, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -466,9 +450,9 @@ static ssize_t battery_care_limit_store(struct device *dev,
 		union acpi_object *r;
 
 		if (battery_limit_use_wmbb)
-			r = lg_wmbb(WMBB_BATT_LIMIT, WM_SET, value);
+			r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_SET, value);
 		else
-			r = lg_wmab(WM_BATT_LIMIT, WM_SET, value);
+			r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_SET, value);
 		if (!r)
 			return -EIO;
 
@@ -487,7 +471,7 @@ static ssize_t battery_care_limit_show(struct device *dev,
 	union acpi_object *r;
 
 	if (battery_limit_use_wmbb) {
-		r = lg_wmbb(WMBB_BATT_LIMIT, WM_GET, 0);
+		r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_GET, 0);
 		if (!r)
 			return -EIO;
 
@@ -498,7 +482,7 @@ static ssize_t battery_care_limit_show(struct device *dev,
 
 		status = r->buffer.pointer[0x10];
 	} else {
-		r = lg_wmab(WM_BATT_LIMIT, WM_GET, 0);
+		r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_GET, 0);
 		if (!r)
 			return -EIO;
 
@@ -540,7 +524,7 @@ static void tpad_led_set(struct led_classdev *cdev,
 {
 	union acpi_object *r;
 
-	r = lg_wmab(WM_TLED, WM_SET, brightness > LED_OFF);
+	r = lg_wmab(cdev->dev->parent, WM_TLED, WM_SET, brightness > LED_OFF);
 	kfree(r);
 }
 
@@ -562,16 +546,16 @@ static void kbd_backlight_set(struct led_classdev *cdev,
 		val = 0;
 	if (brightness >= LED_FULL)
 		val = 0x24;
-	r = lg_wmab(WM_KEY_LIGHT, WM_SET, val);
+	r = lg_wmab(cdev->dev->parent, WM_KEY_LIGHT, WM_SET, val);
 	kfree(r);
 }
 
-static enum led_brightness get_kbd_backlight_level(void)
+static enum led_brightness get_kbd_backlight_level(struct device *dev)
 {
 	union acpi_object *r;
 	int val;
 
-	r = lg_wmab(WM_KEY_LIGHT, WM_GET, 0);
+	r = lg_wmab(dev, WM_KEY_LIGHT, WM_GET, 0);
 
 	if (!r)
 		return LED_OFF;
@@ -599,7 +583,7 @@ static enum led_brightness get_kbd_backlight_level(void)
 
 static enum led_brightness kbd_backlight_get(struct led_classdev *cdev)
 {
-	return get_kbd_backlight_level();
+	return get_kbd_backlight_level(cdev->dev->parent);
 }
 
 static LED_DEVICE(kbd_backlight, 255, LED_BRIGHT_HW_CHANGED);
@@ -626,6 +610,11 @@ static struct platform_driver pf_driver = {
 
 static int acpi_add(struct acpi_device *device)
 {
+	struct platform_device_info pdev_info = {
+		.fwnode = acpi_fwnode_handle(device),
+		.name = PLATFORM_NAME,
+		.id = PLATFORM_DEVID_NONE,
+	};
 	int ret;
 	const char *product;
 	int year = 2017;
@@ -637,9 +626,7 @@ static int acpi_add(struct acpi_device *device)
 	if (ret)
 		return ret;
 
-	pf_device = platform_device_register_simple(PLATFORM_NAME,
-						    PLATFORM_DEVID_NONE,
-						    NULL, 0);
+	pf_device = platform_device_register_full(&pdev_info);
 	if (IS_ERR(pf_device)) {
 		ret = PTR_ERR(pf_device);
 		pf_device = NULL;
-- 
2.43.0

[PATCH 5.15 48/87] btrfs: qgroup: fix quota root leak after quota disable failure

[Greg Kroah-Hartman]

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

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

From: Filipe Manana <fdmanana@suse.com>

[ Upstream commit a7e4c6a3031c74078dba7fa36239d0f4fe476c53 ]

If during the quota disable we fail when cleaning the quota tree or when
deleting the root from the root tree, we jump to the 'out' label without
ever dropping the reference on the quota root, resulting in a leak of the
root since fs_info->quota_root is no longer pointing to the root (we have
set it to NULL just before those steps).

Fix this by always doing a btrfs_put_root() call under the 'out' label.
This is a problem that exists since qgroups were first added in 2012 by
commit bed92eae26cc ("Btrfs: qgroup implementation and prototypes"), but
back then we missed a kfree on the quota root and free_extent_buffer()
calls on its root and commit root nodes, since back then roots were not
yet reference counted.

Reviewed-by: Boris Burkov <boris@bur.io>
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/qgroup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index c50cabf69415f..1f5ab51e18dc4 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1196,7 +1196,7 @@ int btrfs_quota_enable(struct btrfs_fs_info *fs_info)
 
 int btrfs_quota_disable(struct btrfs_fs_info *fs_info)
 {
-	struct btrfs_root *quota_root;
+	struct btrfs_root *quota_root = NULL;
 	struct btrfs_trans_handle *trans = NULL;
 	int ret = 0;
 
@@ -1290,9 +1290,9 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info)
 	btrfs_free_tree_block(trans, btrfs_root_id(quota_root),
 			      quota_root->node, 0, 1);
 
-	btrfs_put_root(quota_root);
 
 out:
+	btrfs_put_root(quota_root);
 	mutex_unlock(&fs_info->qgroup_ioctl_lock);
 	if (ret && trans)
 		btrfs_end_transaction(trans);
-- 
2.43.0

[PATCH 5.15 49/87] ALSA: hda/relatek: Enable Mute LED on HP Laptop 15-gw0xxx

[Greg Kroah-Hartman]

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

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

From: Aivaz Latypov <reichaivaz@gmail.com>

[ Upstream commit 1d091a98c399c17d0571fa1d91a7123a698446e4 ]

This HP Laptop uses ALC236 codec with COEF 0x07 controlling
the mute LED. Enable existing quirk for this device.

Signed-off-by: Aivaz Latypov <reichaivaz@gmail.com>
Link: https://patch.msgid.link/20240625081217.1049-1-reichaivaz@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/pci/hda/patch_realtek.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index aeecc208e7fa0..afc9f1cd9647c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9161,6 +9161,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x87b7, "HP Laptop 14-fq0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
 	SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED),
+	SND_PCI_QUIRK(0x103c, 0x87d3, "HP Laptop 15-gw0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
 	SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87e7, "HP ProBook 450 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87f1, "HP ProBook 630 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
-- 
2.43.0

[PATCH 5.15 50/87] ALSA: dmaengine_pcm: terminate dmaengine before synchronize

[Greg Kroah-Hartman]

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

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

From: Shengjiu Wang <shengjiu.wang@nxp.com>

[ Upstream commit 6a7db25aad8ce6512b366d2ce1d0e60bac00a09d ]

When dmaengine supports pause function, in suspend state,
dmaengine_pause() is called instead of dmaengine_terminate_async(),

In end of playback stream, the runtime->state will go to
SNDRV_PCM_STATE_DRAINING, if system suspend & resume happen
at this time, application will not resume playback stream, the
stream will be closed directly, the dmaengine_terminate_async()
will not be called before the dmaengine_synchronize(), which
violates the call sequence for dmaengine_synchronize().

This behavior also happens for capture streams, but there is no
SNDRV_PCM_STATE_DRAINING state for capture. So use
dmaengine_tx_status() to check the DMA status if the status is
DMA_PAUSED, then call dmaengine_terminate_async() to terminate
dmaengine before dmaengine_synchronize().

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://patch.msgid.link/1718851218-27803-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/core/pcm_dmaengine.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 3e479dca122a0..9f953ff8b0645 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -361,6 +361,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_sync_stop);
 int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+	struct dma_tx_state state;
+	enum dma_status status;
+
+	status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+	if (status == DMA_PAUSED)
+		dmaengine_terminate_async(prtd->dma_chan);
 
 	dmaengine_synchronize(prtd->dma_chan);
 	kfree(prtd);
@@ -379,6 +385,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_close);
 int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream)
 {
 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+	struct dma_tx_state state;
+	enum dma_status status;
+
+	status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+	if (status == DMA_PAUSED)
+		dmaengine_terminate_async(prtd->dma_chan);
 
 	dmaengine_synchronize(prtd->dma_chan);
 	dma_release_channel(prtd->dma_chan);
-- 
2.43.0

[PATCH 5.15 51/87] net: usb: qmi_wwan: add Telit FN912 compositions

[Greg Kroah-Hartman]

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

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

From: Daniele Palmas <dnlplm@gmail.com>

[ Upstream commit 77453e2b015b5ced5b3f45364dd5a72dfc3bdecb ]

Add the following Telit FN912 compositions:

0x3000: rmnet + tty (AT/NMEA) + tty (AT) + tty (diag)
T:  Bus=03 Lev=01 Prnt=03 Port=07 Cnt=01 Dev#=  8 Spd=480  MxCh= 0
D:  Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1bc7 ProdID=3000 Rev=05.15
S:  Manufacturer=Telit Cinterion
S:  Product=FN912
S:  SerialNumber=92c4c4d8
C:  #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=82(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
I:  If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=84(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=86(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

0x3001: rmnet + tty (AT) + tty (diag) + DPL (data packet logging) + adb
T:  Bus=03 Lev=01 Prnt=03 Port=07 Cnt=01 Dev#=  7 Spd=480  MxCh= 0
D:  Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1bc7 ProdID=3001 Rev=05.15
S:  Manufacturer=Telit Cinterion
S:  Product=FN912
S:  SerialNumber=92c4c4d8
C:  #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=82(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
I:  If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=84(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:  If#= 3 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=80 Driver=(none)
E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:  If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Link: https://patch.msgid.link/20240625102236.69539-1-dnlplm@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/usb/qmi_wwan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 9bd145732e58b..fb09e95cbc258 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1373,6 +1373,8 @@ static const struct usb_device_id products[] = {
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)},	/* Telit LE910Cx */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)},	/* Telit LE910Cx */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)},	/* Telit LN940 series */
+	{QMI_QUIRK_SET_DTR(0x1bc7, 0x3000, 0)},	/* Telit FN912 series */
+	{QMI_QUIRK_SET_DTR(0x1bc7, 0x3001, 0)},	/* Telit FN912 series */
 	{QMI_FIXED_INTF(0x1c9e, 0x9801, 3)},	/* Telewell TW-3G HSPA+ */
 	{QMI_FIXED_INTF(0x1c9e, 0x9803, 4)},	/* Telewell TW-3G HSPA+ */
 	{QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)},	/* XS Stick W100-2 from 4G Systems */
-- 
2.43.0

[PATCH 5.15 52/87] net: mac802154: Fix racy device stats updates by DEV_STATS_INC() and DEV_STATS_ADD()

[Greg Kroah-Hartman]

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

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

From: Yunshui Jiang <jiangyunshui@kylinos.cn>

[ Upstream commit b8ec0dc3845f6c9089573cb5c2c4b05f7fc10728 ]

mac802154 devices update their dev->stats fields locklessly. Therefore
these counters should be updated atomically. Adopt SMP safe DEV_STATS_INC()
and DEV_STATS_ADD() to achieve this.

Signed-off-by: Yunshui Jiang <jiangyunshui@kylinos.cn>
Message-ID: <20240531080739.2608969-1-jiangyunshui@kylinos.cn>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/mac802154/tx.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c
index c829e4a753256..7cea95d0b78f9 100644
--- a/net/mac802154/tx.c
+++ b/net/mac802154/tx.c
@@ -34,8 +34,8 @@ void ieee802154_xmit_worker(struct work_struct *work)
 	if (res)
 		goto err_tx;
 
-	dev->stats.tx_packets++;
-	dev->stats.tx_bytes += skb->len;
+	DEV_STATS_INC(dev, tx_packets);
+	DEV_STATS_ADD(dev, tx_bytes, skb->len);
 
 	ieee802154_xmit_complete(&local->hw, skb, false);
 
@@ -86,8 +86,8 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb)
 			goto err_tx;
 		}
 
-		dev->stats.tx_packets++;
-		dev->stats.tx_bytes += len;
+		DEV_STATS_INC(dev, tx_packets);
+		DEV_STATS_ADD(dev, tx_bytes, len);
 	} else {
 		local->tx_skb = skb;
 		queue_work(local->workqueue, &local->tx_work);
-- 
2.43.0

[PATCH 5.15 53/87] powerpc/pseries: Whitelist dtl slub object for copying to userspace

[Greg Kroah-Hartman]

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

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

From: Anjali K <anjalik@linux.ibm.com>

[ Upstream commit 1a14150e1656f7a332a943154fc486504db4d586 ]

Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu-*
results in a BUG() when the config CONFIG_HARDENED_USERCOPY is enabled as
shown below.

    kernel BUG at mm/usercopy.c:102!
    Oops: Exception in kernel mode, sig: 5 [#1]
    LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries
    Modules linked in: xfs libcrc32c dm_service_time sd_mod t10_pi sg ibmvfc
    scsi_transport_fc ibmveth pseries_wdt dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse
    CPU: 27 PID: 1815 Comm: python3 Not tainted 6.10.0-rc3 #85
    Hardware name: IBM,9040-MRX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NM1060_042) hv:phyp pSeries
    NIP:  c0000000005d23d4 LR: c0000000005d23d0 CTR: 00000000006ee6f8
    REGS: c000000120c078c0 TRAP: 0700   Not tainted  (6.10.0-rc3)
    MSR:  8000000000029033 <SF,EE,ME,IR,DR,RI,LE>  CR: 2828220f  XER: 0000000e
    CFAR: c0000000001fdc80 IRQMASK: 0
    [ ... GPRs omitted ... ]
    NIP [c0000000005d23d4] usercopy_abort+0x78/0xb0
    LR [c0000000005d23d0] usercopy_abort+0x74/0xb0
    Call Trace:
     usercopy_abort+0x74/0xb0 (unreliable)
     __check_heap_object+0xf8/0x120
     check_heap_object+0x218/0x240
     __check_object_size+0x84/0x1a4
     dtl_file_read+0x17c/0x2c4
     full_proxy_read+0x8c/0x110
     vfs_read+0xdc/0x3a0
     ksys_read+0x84/0x144
     system_call_exception+0x124/0x330
     system_call_vectored_common+0x15c/0x2ec
    --- interrupt: 3000 at 0x7fff81f3ab34

Commit 6d07d1cd300f ("usercopy: Restrict non-usercopy caches to size 0")
requires that only whitelisted areas in slab/slub objects can be copied to
userspace when usercopy hardening is enabled using CONFIG_HARDENED_USERCOPY.
Dtl contains hypervisor dispatch events which are expected to be read by
privileged users. Hence mark this safe for user access.
Specify useroffset=0 and usersize=DISPATCH_LOG_BYTES to whitelist the
entire object.

Co-developed-by: Vishal Chourasia <vishalc@linux.ibm.com>
Signed-off-by: Vishal Chourasia <vishalc@linux.ibm.com>
Signed-off-by: Anjali K <anjalik@linux.ibm.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240614173844.746818-1-anjalik@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/platforms/pseries/setup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index d25053755c8b8..309a72518ecc3 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -314,8 +314,8 @@ static int alloc_dispatch_log_kmem_cache(void)
 {
 	void (*ctor)(void *) = get_dtl_cache_ctor();
 
-	dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES,
-						DISPATCH_LOG_BYTES, 0, ctor);
+	dtl_cache = kmem_cache_create_usercopy("dtl", DISPATCH_LOG_BYTES,
+						DISPATCH_LOG_BYTES, 0, 0, DISPATCH_LOG_BYTES, ctor);
 	if (!dtl_cache) {
 		pr_warn("Failed to create dispatch trace log buffer cache\n");
 		pr_warn("Stolen time statistics will be unreliable\n");
-- 
2.43.0

[PATCH 5.15 54/87] powerpc/eeh: avoid possible crash when edev->pdev changes

[Greg Kroah-Hartman]

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

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

From: Ganesh Goudar <ganeshgr@linux.ibm.com>

[ Upstream commit a1216e62d039bf63a539bbe718536ec789a853dd ]

If a PCI device is removed during eeh_pe_report_edev(), edev->pdev
will change and can cause a crash, hold the PCI rescan/remove lock
while taking a copy of edev->pdev->bus.

Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240617140240.580453-1-ganeshgr@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/kernel/eeh_pe.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index 845e024321d47..a856d9ba42d20 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -849,6 +849,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
 {
 	struct eeh_dev *edev;
 	struct pci_dev *pdev;
+	struct pci_bus *bus = NULL;
 
 	if (pe->type & EEH_PE_PHB)
 		return pe->phb->bus;
@@ -859,9 +860,11 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
 
 	/* Retrieve the parent PCI bus of first (top) PCI device */
 	edev = list_first_entry_or_null(&pe->edevs, struct eeh_dev, entry);
+	pci_lock_rescan_remove();
 	pdev = eeh_dev_to_pci_dev(edev);
 	if (pdev)
-		return pdev->bus;
+		bus = pdev->bus;
+	pci_unlock_rescan_remove();
 
-	return NULL;
+	return bus;
 }
-- 
2.43.0

[PATCH 5.15 55/87] scsi: libsas: Fix exp-attached device scan after probe failure scanned in again after probe failed

[Greg Kroah-Hartman]

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

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

From: Xingui Yang <yangxingui@huawei.com>

[ Upstream commit ab2068a6fb84751836a84c26ca72b3beb349619d ]

The expander phy will be treated as broadcast flutter in the next
revalidation after the exp-attached end device probe failed, as follows:

[78779.654026] sas: broadcast received: 0
[78779.654037] sas: REVALIDATING DOMAIN on port 0, pid:10
[78779.654680] sas: ex 500e004aaaaaaa1f phy05 change count has changed
[78779.662977] sas: ex 500e004aaaaaaa1f phy05 originated BROADCAST(CHANGE)
[78779.662986] sas: ex 500e004aaaaaaa1f phy05 new device attached
[78779.663079] sas: ex 500e004aaaaaaa1f phy05:U:8 attached: 500e004aaaaaaa05 (stp)
[78779.693542] hisi_sas_v3_hw 0000:b4:02.0: dev[16:5] found
[78779.701155] sas: done REVALIDATING DOMAIN on port 0, pid:10, res 0x0
[78779.707864] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
...
[78835.161307] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[78835.171344] sas: sas_probe_sata: for exp-attached device 500e004aaaaaaa05 returned -19
[78835.180879] hisi_sas_v3_hw 0000:b4:02.0: dev[16:5] is gone
[78835.187487] sas: broadcast received: 0
[78835.187504] sas: REVALIDATING DOMAIN on port 0, pid:10
[78835.188263] sas: ex 500e004aaaaaaa1f phy05 change count has changed
[78835.195870] sas: ex 500e004aaaaaaa1f phy05 originated BROADCAST(CHANGE)
[78835.195875] sas: ex 500e004aaaaaaa1f rediscovering phy05
[78835.196022] sas: ex 500e004aaaaaaa1f phy05:U:A attached: 500e004aaaaaaa05 (stp)
[78835.196026] sas: ex 500e004aaaaaaa1f phy05 broadcast flutter
[78835.197615] sas: done REVALIDATING DOMAIN on port 0, pid:10, res 0x0

The cause of the problem is that the related ex_phy's attached_sas_addr was
not cleared after the end device probe failed, so reset it.

Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Link: https://lore.kernel.org/r/20240619091742.25465-1-yangxingui@huawei.com
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/libsas/sas_internal.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index d7a1fb5c10c6e..5028bc394c4f9 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -111,6 +111,20 @@ static inline void sas_fail_probe(struct domain_device *dev, const char *func, i
 		func, dev->parent ? "exp-attached" :
 		"direct-attached",
 		SAS_ADDR(dev->sas_addr), err);
+
+	/*
+	 * If the device probe failed, the expander phy attached address
+	 * needs to be reset so that the phy will not be treated as flutter
+	 * in the next revalidation
+	 */
+	if (dev->parent && !dev_is_expander(dev->dev_type)) {
+		struct sas_phy *phy = dev->phy;
+		struct domain_device *parent = dev->parent;
+		struct ex_phy *ex_phy = &parent->ex_dev.ex_phy[phy->number];
+
+		memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
+	}
+
 	sas_unregister_dev(dev->port, dev);
 }
 
-- 
2.43.0

[PATCH 5.15 56/87] Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

[Greg Kroah-Hartman]

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

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

From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

[ Upstream commit 0d151a103775dd9645c78c97f77d6e2a5298d913 ]

syzbot is reporting that calling hci_release_dev() from hci_error_reset()
due to hci_dev_put() from hci_error_reset() can cause deadlock at
destroy_workqueue(), for hci_error_reset() is called from
hdev->req_workqueue which destroy_workqueue() needs to flush.

We need to make sure that hdev->{rx_work,cmd_work,tx_work} which are
queued into hdev->workqueue and hdev->{power_on,error_reset} which are
queued into hdev->req_workqueue are no longer running by the moment

       destroy_workqueue(hdev->workqueue);
       destroy_workqueue(hdev->req_workqueue);

are called from hci_release_dev().

Call cancel_work_sync() on these work items from hci_unregister_dev()
as soon as hdev->list is removed from hci_dev_list.

Reported-by: syzbot <syzbot+da0a9c9721e36db712e8@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=da0a9c9721e36db712e8
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/bluetooth/hci_core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8a3c867bdff03..fc4e02b3f26ad 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -4025,7 +4025,11 @@ void hci_unregister_dev(struct hci_dev *hdev)
 	list_del(&hdev->list);
 	write_unlock(&hci_dev_list_lock);
 
+	cancel_work_sync(&hdev->rx_work);
+	cancel_work_sync(&hdev->cmd_work);
+	cancel_work_sync(&hdev->tx_work);
 	cancel_work_sync(&hdev->power_on);
+	cancel_work_sync(&hdev->error_reset);
 
 	if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks)) {
 		hci_suspend_clear_tasks(hdev);
-- 
2.43.0

[PATCH 5.15 57/87] drm/radeon: check bo_va->bo is non-NULL before using it

[Greg Kroah-Hartman]

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

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

From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>

[ Upstream commit 6fb15dcbcf4f212930350eaee174bb60ed40a536 ]

The call to radeon_vm_clear_freed might clear bo_va->bo, so
we have to check it before dereferencing it.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/radeon/radeon_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 57218263ef3b1..277a313432b28 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -653,7 +653,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev,
 	if (r)
 		goto error_unlock;
 
-	if (bo_va->it.start)
+	if (bo_va->it.start && bo_va->bo)
 		r = radeon_vm_bo_update(rdev, bo_va, bo_va->bo->tbo.resource);
 
 error_unlock:
-- 
2.43.0

[PATCH 5.15 58/87] fs: better handle deep ancestor chains in is_subdir()

[Greg Kroah-Hartman]

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

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

From: Christian Brauner <brauner@kernel.org>

[ Upstream commit 391b59b045004d5b985d033263ccba3e941a7740 ]

Jan reported that 'cd ..' may take a long time in deep directory
hierarchies under a bind-mount. If concurrent renames happen it is
possible to livelock in is_subdir() because it will keep retrying.

Change is_subdir() from simply retrying over and over to retry once and
then acquire the rename lock to handle deep ancestor chains better. The
list of alternatives to this approach were less then pleasant. Change
the scope of rcu lock to cover the whole walk while at it.

A big thanks to Jan and Linus. Both Jan and Linus had proposed
effectively the same thing just that one version ended up being slightly
more elegant.

Reported-by: Jan Kara <jack@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/dcache.c | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 9a29cfdaa5416..43d75e7ee4785 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -3127,28 +3127,25 @@ EXPORT_SYMBOL(d_splice_alias);
   
 bool is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
 {
-	bool result;
+	bool subdir;
 	unsigned seq;
 
 	if (new_dentry == old_dentry)
 		return true;
 
-	do {
-		/* for restarting inner loop in case of seq retry */
-		seq = read_seqbegin(&rename_lock);
-		/*
-		 * Need rcu_readlock to protect against the d_parent trashing
-		 * due to d_move
-		 */
-		rcu_read_lock();
-		if (d_ancestor(old_dentry, new_dentry))
-			result = true;
-		else
-			result = false;
-		rcu_read_unlock();
-	} while (read_seqretry(&rename_lock, seq));
-
-	return result;
+	/* Access d_parent under rcu as d_move() may change it. */
+	rcu_read_lock();
+	seq = read_seqbegin(&rename_lock);
+	subdir = d_ancestor(old_dentry, new_dentry);
+	 /* Try lockless once... */
+	if (read_seqretry(&rename_lock, seq)) {
+		/* ...else acquire lock for progress even on deep chains. */
+		read_seqlock_excl(&rename_lock);
+		subdir = d_ancestor(old_dentry, new_dentry);
+		read_sequnlock_excl(&rename_lock);
+	}
+	rcu_read_unlock();
+	return subdir;
 }
 EXPORT_SYMBOL(is_subdir);
 
-- 
2.43.0

[PATCH 5.15 59/87] riscv: stacktrace: fix usage of ftrace_graph_ret_addr()

[Greg Kroah-Hartman]

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

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

From: Puranjay Mohan <puranjay@kernel.org>

[ Upstream commit 393da6cbb2ff89aadc47683a85269f913aa1c139 ]

ftrace_graph_ret_addr() takes an `idx` integer pointer that is used to
optimize the stack unwinding. Pass it a valid pointer to utilize the
optimizations that might be available in the future.

The commit is making riscv's usage of ftrace_graph_ret_addr() match
x86_64.

Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20240618145820.62112-1-puranjay@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/riscv/kernel/stacktrace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 94721c484d638..95b4ad1b6708c 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -34,6 +34,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
 			     bool (*fn)(void *, unsigned long), void *arg)
 {
 	unsigned long fp, sp, pc;
+	int graph_idx = 0;
 	int level = 0;
 
 	if (regs) {
@@ -70,7 +71,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
 			pc = regs->ra;
 		} else {
 			fp = frame->fp;
-			pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
+			pc = ftrace_graph_ret_addr(current, &graph_idx, frame->ra,
 						   &frame->ra);
 			if (pc == (unsigned long)ret_from_exception) {
 				if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc)))
-- 
2.43.0

[PATCH 5.15 60/87] spi: imx: Dont expect DMA for i.MX{25,35,50,51,53} cspi devices

[Greg Kroah-Hartman]

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

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

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

[ Upstream commit ce1dac560a74220f2e53845ec0723b562288aed4 ]

While in commit 2dd33f9cec90 ("spi: imx: support DMA for imx35") it was
claimed that DMA works on i.MX25, i.MX31 and i.MX35 the respective
device trees don't add DMA channels. The Reference manuals of i.MX31 and
i.MX25 also don't mention the CSPI core being DMA capable. (I didn't
check the others.)

Since commit e267a5b3ec59 ("spi: spi-imx: Use dev_err_probe for failed
DMA channel requests") this results in an error message

	spi_imx 43fa4000.spi: error -ENODEV: can't get the TX DMA channel!

during boot. However that isn't fatal and the driver gets loaded just
fine, just without using DMA.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://patch.msgid.link/20240508095610.2146640-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index f201653931d89..c806ee8070e5a 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -1016,7 +1016,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
 	.rx_available = mx31_rx_available,
 	.reset = mx31_reset,
 	.fifo_size = 8,
-	.has_dmamode = true,
+	.has_dmamode = false,
 	.dynamic_burst = false,
 	.has_slavemode = false,
 	.devtype = IMX35_CSPI,
-- 
2.43.0

[PATCH 5.15 61/87] selftests/vDSO: fix clang build errors and warnings

[Greg Kroah-Hartman]

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

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

From: John Hubbard <jhubbard@nvidia.com>

[ Upstream commit 73810cd45b99c6c418e1c6a487b52c1e74edb20d ]

When building with clang, via:

    make LLVM=1 -C tools/testing/selftests

...there are several warnings, and an error. This fixes all of those and
allows these tests to run and pass.

1. Fix linker error (undefined reference to memcpy) by providing a local
   version of memcpy.

2. clang complains about using this form:

    if (g = h & 0xf0000000)

...so factor out the assignment into a separate step.

3. The code is passing a signed const char* to elf_hash(), which expects
   a const unsigned char *. There are several callers, so fix this at
   the source by allowing the function to accept a signed argument, and
   then converting to unsigned operations, once inside the function.

4. clang doesn't have __attribute__((externally_visible)) and generates
   a warning to that effect. Fortunately, gcc 12 and gcc 13 do not seem
   to require that attribute in order to build, run and pass tests here,
   so remove it.

Reviewed-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Edward Liaw <edliaw@google.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/vDSO/parse_vdso.c      | 16 +++++++++++-----
 .../selftests/vDSO/vdso_standalone_test_x86.c  | 18 ++++++++++++++++--
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c
index 413f75620a35b..4ae417372e9eb 100644
--- a/tools/testing/selftests/vDSO/parse_vdso.c
+++ b/tools/testing/selftests/vDSO/parse_vdso.c
@@ -55,14 +55,20 @@ static struct vdso_info
 	ELF(Verdef) *verdef;
 } vdso_info;
 
-/* Straight from the ELF specification. */
-static unsigned long elf_hash(const unsigned char *name)
+/*
+ * Straight from the ELF specification...and then tweaked slightly, in order to
+ * avoid a few clang warnings.
+ */
+static unsigned long elf_hash(const char *name)
 {
 	unsigned long h = 0, g;
-	while (*name)
+	const unsigned char *uch_name = (const unsigned char *)name;
+
+	while (*uch_name)
 	{
-		h = (h << 4) + *name++;
-		if (g = h & 0xf0000000)
+		h = (h << 4) + *uch_name++;
+		g = h & 0xf0000000;
+		if (g)
 			h ^= g >> 24;
 		h &= ~g;
 	}
diff --git a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
index 8a44ff973ee17..27f6fdf119691 100644
--- a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
+++ b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
@@ -18,7 +18,7 @@
 
 #include "parse_vdso.h"
 
-/* We need a libc functions... */
+/* We need some libc functions... */
 int strcmp(const char *a, const char *b)
 {
 	/* This implementation is buggy: it never returns -1. */
@@ -34,6 +34,20 @@ int strcmp(const char *a, const char *b)
 	return 0;
 }
 
+/*
+ * The clang build needs this, although gcc does not.
+ * Stolen from lib/string.c.
+ */
+void *memcpy(void *dest, const void *src, size_t count)
+{
+	char *tmp = dest;
+	const char *s = src;
+
+	while (count--)
+		*tmp++ = *s++;
+	return dest;
+}
+
 /* ...and two syscalls.  This is x86-specific. */
 static inline long x86_syscall3(long nr, long a0, long a1, long a2)
 {
@@ -70,7 +84,7 @@ void to_base10(char *lastdig, time_t n)
 	}
 }
 
-__attribute__((externally_visible)) void c_main(void **stack)
+void c_main(void **stack)
 {
 	/* Parse the stack */
 	long argc = (long)*stack;
-- 
2.43.0

[PATCH 5.15 62/87] hfsplus: fix uninit-value in copy_name

[Greg Kroah-Hartman]

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

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

From: Edward Adam Davis <eadavis@qq.com>

[ Upstream commit 0570730c16307a72f8241df12363f76600baf57d ]

[syzbot reported]
BUG: KMSAN: uninit-value in sized_strscpy+0xc4/0x160
 sized_strscpy+0xc4/0x160
 copy_name+0x2af/0x320 fs/hfsplus/xattr.c:411
 hfsplus_listxattr+0x11e9/0x1a50 fs/hfsplus/xattr.c:750
 vfs_listxattr fs/xattr.c:493 [inline]
 listxattr+0x1f3/0x6b0 fs/xattr.c:840
 path_listxattr fs/xattr.c:864 [inline]
 __do_sys_listxattr fs/xattr.c:876 [inline]
 __se_sys_listxattr fs/xattr.c:873 [inline]
 __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873
 x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195
 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:3877 [inline]
 slab_alloc_node mm/slub.c:3918 [inline]
 kmalloc_trace+0x57b/0xbe0 mm/slub.c:4065
 kmalloc include/linux/slab.h:628 [inline]
 hfsplus_listxattr+0x4cc/0x1a50 fs/hfsplus/xattr.c:699
 vfs_listxattr fs/xattr.c:493 [inline]
 listxattr+0x1f3/0x6b0 fs/xattr.c:840
 path_listxattr fs/xattr.c:864 [inline]
 __do_sys_listxattr fs/xattr.c:876 [inline]
 __se_sys_listxattr fs/xattr.c:873 [inline]
 __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873
 x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195
 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
[Fix]
When allocating memory to strbuf, initialize memory to 0.

Reported-and-tested-by: syzbot+efde959319469ff8d4d7@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_8BBB6433BC9E1C1B7B4BDF1BF52574BA8808@qq.com
Reported-and-tested-by: syzbot+01ade747b16e9c8030e0@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/hfsplus/xattr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index e2855ceefd394..71fb2f8e91170 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -699,7 +699,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
 		return err;
 	}
 
-	strbuf = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN +
+	strbuf = kzalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN +
 			XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL);
 	if (!strbuf) {
 		res = -ENOMEM;
-- 
2.43.0

[PATCH 5.15 63/87] spi: mux: set ctlr->bits_per_word_mask

[Greg Kroah-Hartman]

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

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

From: David Lechner <dlechner@baylibre.com>

[ Upstream commit c8bd922d924bb4ab6c6c488310157d1a27996f31 ]

Like other SPI controller flags, bits_per_word_mask may be used by a
peripheral driver, so it needs to reflect the capabilities of the
underlying controller.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240708-spi-mux-fix-v1-3-6c8845193128@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-mux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index f5d32ec4634e3..e1af2d8ed51a6 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -156,6 +156,7 @@ static int spi_mux_probe(struct spi_device *spi)
 	/* supported modes are the same as our parent's */
 	ctlr->mode_bits = spi->controller->mode_bits;
 	ctlr->flags = spi->controller->flags;
+	ctlr->bits_per_word_mask = spi->controller->bits_per_word_mask;
 	ctlr->transfer_one_message = spi_mux_transfer_one_message;
 	ctlr->setup = spi_mux_setup;
 	ctlr->num_chipselect = mux_control_states(priv->mux);
-- 
2.43.0

[PATCH 5.15 64/87] tracing: Define the is_signed_type() macro once

[Greg Kroah-Hartman]

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

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

From: Bart Van Assche <bvanassche@acm.org>

commit a49a64b5bf195381c09202c524f0f84b5f3e816f upstream.

There are two definitions of the is_signed_type() macro: one in
<linux/overflow.h> and a second definition in <linux/trace_events.h>.

As suggested by Linus, move the definition of the is_signed_type() macro
into the <linux/compiler.h> header file.  Change the definition of the
is_signed_type() macro to make sure that it does not trigger any sparse
warnings with future versions of sparse for bitwise types.

Link: https://lore.kernel.org/all/CAHk-=whjH6p+qzwUdx5SOVVHjS3WvzJQr6mDUwhEyTf6pJWzaQ@mail.gmail.com/
Link: https://lore.kernel.org/all/CAHk-=wjQGnVfb4jehFR0XyZikdQvCZouE96xR_nnf5kqaM5qqQ@mail.gmail.com/
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit a49a64b5bf195381c09202c524f0f84b5f3e816f)
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/compiler.h     |    6 ++++++
 include/linux/overflow.h     |    1 -
 include/linux/trace_events.h |    2 --
 3 files changed, 6 insertions(+), 3 deletions(-)

--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -247,6 +247,12 @@ static inline void *offset_to_ptr(const
 #define __must_be_array(a)	BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
 
 /*
+ * Whether 'type' is a signed type or an unsigned type. Supports scalar types,
+ * bool and also pointer types.
+ */
+#define is_signed_type(type) (((type)(-1)) < (__force type)1)
+
+/*
  * This is needed in functions which generate the stack canary, see
  * arch/x86/kernel/smpboot.c::start_secondary() for an example.
  */
--- a/include/linux/overflow.h
+++ b/include/linux/overflow.h
@@ -29,7 +29,6 @@
  * https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html -
  * credit to Christian Biere.
  */
-#define is_signed_type(type)       (((type)(-1)) < (type)1)
 #define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type)))
 #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
 #define type_min(T) ((T)((T)-type_max(T)-(T)1))
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -801,8 +801,6 @@ extern int trace_add_event_call(struct t
 extern int trace_remove_event_call(struct trace_event_call *call);
 extern int trace_event_get_offsets(struct trace_event_call *call);
 
-#define is_signed_type(type)	(((type)(-1)) < (type)1)
-
 int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set);
 int trace_set_clr_event(const char *system, const char *event, int set);
 int trace_array_set_clr_event(struct trace_array *tr, const char *system,

[PATCH 5.15 65/87] minmax: sanity check constant bounds when clamping

[Greg Kroah-Hartman]

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

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

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

commit 5efcecd9a3b18078d3398b359a84c83f549e22cf upstream.

The clamp family of functions only makes sense if hi>=lo.  If hi and lo
are compile-time constants, then raise a build error.  Doing so has
already caught buggy code.  This also introduces the infrastructure to
improve the clamping function in subsequent commits.

[akpm@linux-foundation.org: coding-style cleanups]
[akpm@linux-foundation.org: s@&&\@&& \@]
Link: https://lkml.kernel.org/r/20220926133435.1333846-1-Jason@zx2c4.com
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit 5efcecd9a3b18078d3398b359a84c83f549e22cf)
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/minmax.h |   26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -37,6 +37,28 @@
 		__cmp(x, y, op), \
 		__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
 
+#define __clamp(val, lo, hi)	\
+	__cmp(__cmp(val, lo, >), hi, <)
+
+#define __clamp_once(val, lo, hi, unique_val, unique_lo, unique_hi) ({	\
+		typeof(val) unique_val = (val);				\
+		typeof(lo) unique_lo = (lo);				\
+		typeof(hi) unique_hi = (hi);				\
+		__clamp(unique_val, unique_lo, unique_hi); })
+
+#define __clamp_input_check(lo, hi)					\
+        (BUILD_BUG_ON_ZERO(__builtin_choose_expr(			\
+                __is_constexpr((lo) > (hi)), (lo) > (hi), false)))
+
+#define __careful_clamp(val, lo, hi) ({					\
+	__clamp_input_check(lo, hi) +					\
+	__builtin_choose_expr(__typecheck(val, lo) && __typecheck(val, hi) && \
+			      __typecheck(hi, lo) && __is_constexpr(val) && \
+			      __is_constexpr(lo) && __is_constexpr(hi),	\
+		__clamp(val, lo, hi),					\
+		__clamp_once(val, lo, hi, __UNIQUE_ID(__val),		\
+			     __UNIQUE_ID(__lo), __UNIQUE_ID(__hi))); })
+
 /**
  * min - return minimum of two values of the same or compatible types
  * @x: first value
@@ -103,7 +125,7 @@
  * This macro does strict typechecking of @lo/@hi to make sure they are of the
  * same type as @val.  See the unnecessary pointer comparisons.
  */
-#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
+#define clamp(val, lo, hi) __careful_clamp(val, lo, hi)
 
 /*
  * ..and if you can't take the strict
@@ -138,7 +160,7 @@
  * This macro does no typechecking and uses temporary variables of type
  * @type to make all the comparisons.
  */
-#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
+#define clamp_t(type, val, lo, hi) __careful_clamp((type)(val), (type)(lo), (type)(hi))
 
 /**
  * clamp_val - return a value clamped to a given range using val's type

[PATCH 5.15 66/87] minmax: clamp more efficiently by avoiding extra comparison

[Greg Kroah-Hartman]

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

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

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

commit 2122e2a4efc2cd139474079e11939b6e07adfacd upstream.

Currently the clamp algorithm does:

    if (val > hi)
        val = hi;
    if (val < lo)
        val = lo;

But since hi > lo by definition, this can be made more efficient with:

    if (val > hi)
        val = hi;
    else if (val < lo)
        val = lo;

So fix up the clamp and clamp_t functions to do this, adding the same
argument checking as for min and min_t.

For simple cases, code generation on x86_64 and aarch64 stay about the
same:

    before:
            cmp     edi, edx
            mov     eax, esi
            cmova   edi, edx
            cmp     edi, esi
            cmovnb  eax, edi
            ret
    after:
            cmp     edi, esi
            mov     eax, edx
            cmovnb  esi, edi
            cmp     edi, edx
            cmovb   eax, esi
            ret

    before:
            cmp     w0, w2
            csel    w8, w0, w2, lo
            cmp     w8, w1
            csel    w0, w8, w1, hi
            ret
    after:
            cmp     w0, w1
            csel    w8, w0, w1, hi
            cmp     w0, w2
            csel    w0, w8, w2, lo
            ret

On MIPS64, however, code generation improves, by removing arithmetic in
the second branch:

    before:
            sltu    $3,$6,$4
            bne     $3,$0,.L2
            move    $2,$6

            move    $2,$4
    .L2:
            sltu    $3,$2,$5
            bnel    $3,$0,.L7
            move    $2,$5

    .L7:
            jr      $31
            nop
    after:
            sltu    $3,$4,$6
            beq     $3,$0,.L13
            move    $2,$6

            sltu    $3,$4,$5
            bne     $3,$0,.L12
            move    $2,$4

    .L13:
            jr      $31
            nop

    .L12:
            jr      $31
            move    $2,$5

For more complex cases with surrounding code, the effects are a bit
more complicated. For example, consider this simplified version of
timestamp_truncate() from fs/inode.c on x86_64:

    struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode)
    {
        struct super_block *sb = inode->i_sb;
        unsigned int gran = sb->s_time_gran;

        t.tv_sec = clamp(t.tv_sec, sb->s_time_min, sb->s_time_max);
        if (t.tv_sec == sb->s_time_max || t.tv_sec == sb->s_time_min)
            t.tv_nsec = 0;
        return t;
    }

    before:
            mov     r8, rdx
            mov     rdx, rsi
            mov     rcx, QWORD PTR [r8]
            mov     rax, QWORD PTR [rcx+8]
            mov     rcx, QWORD PTR [rcx+16]
            cmp     rax, rdi
            mov     r8, rcx
            cmovge  rdi, rax
            cmp     rdi, rcx
            cmovle  r8, rdi
            cmp     rax, r8
            je      .L4
            cmp     rdi, rcx
            jge     .L4
            mov     rax, r8
            ret
    .L4:
            xor     edx, edx
            mov     rax, r8
            ret

    after:
            mov     rax, QWORD PTR [rdx]
            mov     rdx, QWORD PTR [rax+8]
            mov     rax, QWORD PTR [rax+16]
            cmp     rax, rdi
            jg      .L6
            mov     r8, rax
            xor     edx, edx
    .L2:
            mov     rax, r8
            ret
    .L6:
            cmp     rdx, rdi
            mov     r8, rdi
            cmovge  r8, rdx
            cmp     rax, r8
            je      .L4
            xor     eax, eax
            cmp     rdx, rdi
            cmovl   rax, rsi
            mov     rdx, rax
            mov     rax, r8
            ret
    .L4:
            xor     edx, edx
            jmp     .L2

In this case, we actually gain a branch, unfortunately, because the
compiler's replacement axioms no longer as cleanly apply.

So all and all, this change is a bit of a mixed bag.

Link: https://lkml.kernel.org/r/20220926133435.1333846-2-Jason@zx2c4.com
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit 2122e2a4efc2cd139474079e11939b6e07adfacd)
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/minmax.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -38,7 +38,7 @@
 		__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
 
 #define __clamp(val, lo, hi)	\
-	__cmp(__cmp(val, lo, >), hi, <)
+	((val) >= (hi) ? (hi) : ((val) <= (lo) ? (lo) : (val)))
 
 #define __clamp_once(val, lo, hi, unique_val, unique_lo, unique_hi) ({	\
 		typeof(val) unique_val = (val);				\

[PATCH 5.15 67/87] minmax: fix header inclusions

[Greg Kroah-Hartman]

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

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

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

commit f6e9d38f8eb00ac8b52e6d15f6aa9bcecacb081b upstream.

BUILD_BUG_ON*() macros are defined in build_bug.h.  Include it.  Replace
compiler_types.h by compiler.h, which provides the former, to have a
definition of the __UNIQUE_ID().

Link: https://lkml.kernel.org/r/20230912092355.79280-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Herve Codina <herve.codina@bootlin.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit f6e9d38f8eb00ac8b52e6d15f6aa9bcecacb081b)
Signed-off-by: SeongJae Park <sj@kernel.org>
[Fix a conflict due to absence of compiler_types.h include]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/minmax.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -2,6 +2,8 @@
 #ifndef _LINUX_MINMAX_H
 #define _LINUX_MINMAX_H
 
+#include <linux/build_bug.h>
+#include <linux/compiler.h>
 #include <linux/const.h>
 
 /*

[PATCH 5.15 68/87] minmax: allow min()/max()/clamp() if the arguments have the same signedness.

[Greg Kroah-Hartman]

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

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

From: David Laight <David.Laight@ACULAB.COM>

commit d03eba99f5bf7cbc6e2fdde3b6fa36954ad58e09 upstream.

The type-check in min()/max() is there to stop unexpected results if a
negative value gets converted to a large unsigned value.  However it also
rejects 'unsigned int' v 'unsigned long' compares which are common and
never problematc.

Replace the 'same type' check with a 'same signedness' check.

The new test isn't itself a compile time error, so use static_assert() to
report the error and give a meaningful error message.

Due to the way builtin_choose_expr() works detecting the error in the
'non-constant' side (where static_assert() can be used) also detects
errors when the arguments are constant.

Link: https://lkml.kernel.org/r/fe7e6c542e094bfca655abcd323c1c98@AcuMS.aculab.com
Signed-off-by: David Laight <david.laight@aculab.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit d03eba99f5bf7cbc6e2fdde3b6fa36954ad58e09)
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/minmax.h |   62 ++++++++++++++++++++++++++-----------------------
 1 file changed, 33 insertions(+), 29 deletions(-)

--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -11,9 +11,8 @@
  *
  * - avoid multiple evaluations of the arguments (so side-effects like
  *   "x++" happen only once) when non-constant.
- * - perform strict type-checking (to generate warnings instead of
- *   nasty runtime surprises). See the "unnecessary" pointer comparison
- *   in __typecheck().
+ * - perform signed v unsigned type-checking (to generate compile
+ *   errors instead of nasty runtime surprises).
  * - retain result as a constant expressions when called with only
  *   constant expressions (to avoid tripping VLA warnings in stack
  *   allocation usage).
@@ -21,23 +20,30 @@
 #define __typecheck(x, y) \
 	(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
 
-#define __no_side_effects(x, y) \
-		(__is_constexpr(x) && __is_constexpr(y))
+/* is_signed_type() isn't a constexpr for pointer types */
+#define __is_signed(x) 								\
+	__builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))),	\
+		is_signed_type(typeof(x)), 0)
 
-#define __safe_cmp(x, y) \
-		(__typecheck(x, y) && __no_side_effects(x, y))
+#define __types_ok(x, y) \
+	(__is_signed(x) == __is_signed(y))
 
-#define __cmp(x, y, op)	((x) op (y) ? (x) : (y))
+#define __cmp_op_min <
+#define __cmp_op_max >
 
-#define __cmp_once(x, y, unique_x, unique_y, op) ({	\
+#define __cmp(op, x, y)	((x) __cmp_op_##op (y) ? (x) : (y))
+
+#define __cmp_once(op, x, y, unique_x, unique_y) ({	\
 		typeof(x) unique_x = (x);		\
 		typeof(y) unique_y = (y);		\
-		__cmp(unique_x, unique_y, op); })
-
-#define __careful_cmp(x, y, op) \
-	__builtin_choose_expr(__safe_cmp(x, y), \
-		__cmp(x, y, op), \
-		__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
+		static_assert(__types_ok(x, y),		\
+			#op "(" #x ", " #y ") signedness error, fix types or consider u" #op "() before " #op "_t()"); \
+		__cmp(op, unique_x, unique_y); })
+
+#define __careful_cmp(op, x, y)					\
+	__builtin_choose_expr(__is_constexpr((x) - (y)),	\
+		__cmp(op, x, y),				\
+		__cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y)))
 
 #define __clamp(val, lo, hi)	\
 	((val) >= (hi) ? (hi) : ((val) <= (lo) ? (lo) : (val)))
@@ -46,17 +52,15 @@
 		typeof(val) unique_val = (val);				\
 		typeof(lo) unique_lo = (lo);				\
 		typeof(hi) unique_hi = (hi);				\
+		static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)), 	\
+				(lo) <= (hi), true),					\
+			"clamp() low limit " #lo " greater than high limit " #hi);	\
+		static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error");	\
+		static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error");	\
 		__clamp(unique_val, unique_lo, unique_hi); })
 
-#define __clamp_input_check(lo, hi)					\
-        (BUILD_BUG_ON_ZERO(__builtin_choose_expr(			\
-                __is_constexpr((lo) > (hi)), (lo) > (hi), false)))
-
 #define __careful_clamp(val, lo, hi) ({					\
-	__clamp_input_check(lo, hi) +					\
-	__builtin_choose_expr(__typecheck(val, lo) && __typecheck(val, hi) && \
-			      __typecheck(hi, lo) && __is_constexpr(val) && \
-			      __is_constexpr(lo) && __is_constexpr(hi),	\
+	__builtin_choose_expr(__is_constexpr((val) - (lo) + (hi)),	\
 		__clamp(val, lo, hi),					\
 		__clamp_once(val, lo, hi, __UNIQUE_ID(__val),		\
 			     __UNIQUE_ID(__lo), __UNIQUE_ID(__hi))); })
@@ -66,14 +70,14 @@
  * @x: first value
  * @y: second value
  */
-#define min(x, y)	__careful_cmp(x, y, <)
+#define min(x, y)	__careful_cmp(min, x, y)
 
 /**
  * max - return maximum of two values of the same or compatible types
  * @x: first value
  * @y: second value
  */
-#define max(x, y)	__careful_cmp(x, y, >)
+#define max(x, y)	__careful_cmp(max, x, y)
 
 /**
  * umin - return minimum of two non-negative values
@@ -82,7 +86,7 @@
  * @y: second value
  */
 #define umin(x, y)	\
-	__careful_cmp((x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull, <)
+	__careful_cmp(min, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull)
 
 /**
  * umax - return maximum of two non-negative values
@@ -90,7 +94,7 @@
  * @y: second value
  */
 #define umax(x, y)	\
-	__careful_cmp((x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull, >)
+	__careful_cmp(max, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull)
 
 /**
  * min3 - return minimum of three values
@@ -142,7 +146,7 @@
  * @x: first value
  * @y: second value
  */
-#define min_t(type, x, y)	__careful_cmp((type)(x), (type)(y), <)
+#define min_t(type, x, y)	__careful_cmp(min, (type)(x), (type)(y))
 
 /**
  * max_t - return maximum of two values, using the specified type
@@ -150,7 +154,7 @@
  * @x: first value
  * @y: second value
  */
-#define max_t(type, x, y)	__careful_cmp((type)(x), (type)(y), >)
+#define max_t(type, x, y)	__careful_cmp(max, (type)(x), (type)(y))
 
 /**
  * clamp_t - return a value clamped to a given range using a given type

[PATCH 5.15 69/87] minmax: allow comparisons of int against unsigned char/short

[Greg Kroah-Hartman]

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

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

From: David Laight <David.Laight@ACULAB.COM>

commit 4ead534fba42fc4fd41163297528d2aa731cd121 upstream.

Since 'unsigned char/short' get promoted to 'signed int' it is safe to
compare them against an 'int' value.

Link: https://lkml.kernel.org/r/8732ef5f809c47c28a7be47c938b28d4@AcuMS.aculab.com
Signed-off-by: David Laight <david.laight@aculab.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit 4ead534fba42fc4fd41163297528d2aa731cd121)
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/minmax.h |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -25,8 +25,9 @@
 	__builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))),	\
 		is_signed_type(typeof(x)), 0)
 
-#define __types_ok(x, y) \
-	(__is_signed(x) == __is_signed(y))
+#define __types_ok(x, y) 			\
+	(__is_signed(x) == __is_signed(y) ||	\
+		__is_signed((x) + 0) == __is_signed((y) + 0))
 
 #define __cmp_op_min <
 #define __cmp_op_max >

[PATCH 5.15 70/87] minmax: relax check to allow comparison between unsigned arguments and signed constants

[Greg Kroah-Hartman]

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

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

From: David Laight <David.Laight@ACULAB.COM>

commit 867046cc7027703f60a46339ffde91a1970f2901 upstream.

Allow (for example) min(unsigned_var, 20).

The opposite min(signed_var, 20u) is still errored.

Since a comparison between signed and unsigned never makes the unsigned
value negative it is only necessary to adjust the __types_ok() test.

Link: https://lkml.kernel.org/r/633b64e2f39e46bb8234809c5595b8c7@AcuMS.aculab.com
Signed-off-by: David Laight <david.laight@aculab.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit 867046cc7027703f60a46339ffde91a1970f2901)
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/minmax.h |   24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -9,13 +9,18 @@
 /*
  * min()/max()/clamp() macros must accomplish three things:
  *
- * - avoid multiple evaluations of the arguments (so side-effects like
+ * - Avoid multiple evaluations of the arguments (so side-effects like
  *   "x++" happen only once) when non-constant.
- * - perform signed v unsigned type-checking (to generate compile
- *   errors instead of nasty runtime surprises).
- * - retain result as a constant expressions when called with only
+ * - Retain result as a constant expressions when called with only
  *   constant expressions (to avoid tripping VLA warnings in stack
  *   allocation usage).
+ * - Perform signed v unsigned type-checking (to generate compile
+ *   errors instead of nasty runtime surprises).
+ * - Unsigned char/short are always promoted to signed int and can be
+ *   compared against signed or unsigned arguments.
+ * - Unsigned arguments can be compared against non-negative signed constants.
+ * - Comparison of a signed argument against an unsigned constant fails
+ *   even if the constant is below __INT_MAX__ and could be cast to int.
  */
 #define __typecheck(x, y) \
 	(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
@@ -25,9 +30,14 @@
 	__builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))),	\
 		is_signed_type(typeof(x)), 0)
 
-#define __types_ok(x, y) 			\
-	(__is_signed(x) == __is_signed(y) ||	\
-		__is_signed((x) + 0) == __is_signed((y) + 0))
+/* True for a non-negative signed int constant */
+#define __is_noneg_int(x)	\
+	(__builtin_choose_expr(__is_constexpr(x) && __is_signed(x), x, -1) >= 0)
+
+#define __types_ok(x, y) 					\
+	(__is_signed(x) == __is_signed(y) ||			\
+		__is_signed((x) + 0) == __is_signed((y) + 0) ||	\
+		__is_noneg_int(x) || __is_noneg_int(y))
 
 #define __cmp_op_min <
 #define __cmp_op_max >

[PATCH 5.15 71/87] mm/damon/core: merge regions aggressively when max_nr_regions is unmet

[Greg Kroah-Hartman]

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

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

From: SeongJae Park <sj@kernel.org>

commit 310d6c15e9104c99d5d9d0ff8e5383a79da7d5e6 upstream.

DAMON keeps the number of regions under max_nr_regions by skipping regions
split operations when doing so can make the number higher than the limit.
It works well for preventing violation of the limit.  But, if somehow the
violation happens, it cannot recovery well depending on the situation.  In
detail, if the real number of regions having different access pattern is
higher than the limit, the mechanism cannot reduce the number below the
limit.  In such a case, the system could suffer from high monitoring
overhead of DAMON.

The violation can actually happen.  For an example, the user could reduce
max_nr_regions while DAMON is running, to be lower than the current number
of regions.  Fix the problem by repeating the merge operations with
increasing aggressiveness in kdamond_merge_regions() for the case, until
the limit is met.

[sj@kernel.org: increase regions merge aggressiveness while respecting min_nr_regions]
  Link: https://lkml.kernel.org/r/20240626164753.46270-1-sj@kernel.org
[sj@kernel.org: ensure max threshold attempt for max_nr_regions violation]
  Link: https://lkml.kernel.org/r/20240627163153.75969-1-sj@kernel.org
Link: https://lkml.kernel.org/r/20240624175814.89611-1-sj@kernel.org
Fixes: b9a6ac4e4ede ("mm/damon: adaptively adjust regions")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>	[5.15+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(cherry picked from commit 310d6c15e9104c99d5d9d0ff8e5383a79da7d5e6)
Signed-off-by: SeongJae Park <sj@kernel.org>
[Remove use of unexisting damon_ctx->attrs field]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 mm/damon/core.c |   21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -507,14 +507,31 @@ static void damon_merge_regions_of(struc
  * access frequencies are similar.  This is for minimizing the monitoring
  * overhead under the dynamically changeable access pattern.  If a merge was
  * unnecessarily made, later 'kdamond_split_regions()' will revert it.
+ *
+ * The total number of regions could be higher than the user-defined limit,
+ * max_nr_regions for some cases.  For example, the user can update
+ * max_nr_regions to a number that lower than the current number of regions
+ * while DAMON is running.  For such a case, repeat merging until the limit is
+ * met while increasing @threshold up to possible maximum level.
  */
 static void kdamond_merge_regions(struct damon_ctx *c, unsigned int threshold,
 				  unsigned long sz_limit)
 {
 	struct damon_target *t;
+	unsigned int nr_regions;
+	unsigned int max_thres;
 
-	damon_for_each_target(t, c)
-		damon_merge_regions_of(t, threshold, sz_limit);
+	max_thres = c->aggr_interval /
+		(c->sample_interval ?  c->sample_interval : 1);
+	do {
+		nr_regions = 0;
+		damon_for_each_target(t, c) {
+			damon_merge_regions_of(t, threshold, sz_limit);
+			nr_regions += damon_nr_regions(t);
+		}
+		threshold = max(1, threshold * 2);
+	} while (nr_regions > c->max_nr_regions &&
+			threshold / 2 < max_thres);
 }
 
 /*

[PATCH 5.15 72/87] wifi: mac80211: disable softirqs for queued frame handling

[Greg Kroah-Hartman]

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

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

From: Johannes Berg <johannes.berg@intel.com>

commit 321028bc45f01edb9e57b0ae5c11c5c3600d00ca upstream.

As noticed by syzbot, calling ieee80211_handle_queued_frames()
(and actually handling frames there) requires softirqs to be
disabled, since we call into the RX code. Fix that in the case
of cleaning up frames left over during shutdown.

Fixes: 177c6ae9725d ("wifi: mac80211: handle tasklet frames before stopping")
Reported-by: syzbot+1d516edf1e74469ba5d3@syzkaller.appspotmail.com
Link: https://patch.msgid.link/20240626091559.cd6f08105a6e.I74778610a5ff2cf8680964698131099d2960352a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/mac80211/main.c |    1 +
 net/mac80211/util.c |    2 ++
 2 files changed, 3 insertions(+)

--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -220,6 +220,7 @@ u32 ieee80211_reset_erp_info(struct ieee
 	       BSS_CHANGED_ERP_SLOT;
 }
 
+/* context: requires softirqs disabled */
 void ieee80211_handle_queued_frames(struct ieee80211_local *local)
 {
 	struct sk_buff *skb;
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2146,7 +2146,9 @@ u32 ieee80211_sta_get_rates(struct ieee8
 
 void ieee80211_stop_device(struct ieee80211_local *local)
 {
+	local_bh_disable();
 	ieee80211_handle_queued_frames(local);
+	local_bh_enable();
 
 	ieee80211_led_radio(local, false);
 	ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO);

[PATCH 5.15 73/87] drm/amdgpu: Fix signedness bug in sdma_v4_0_process_trap_irq()

[Greg Kroah-Hartman]

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

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

From: Dan Carpenter <dan.carpenter@linaro.org>

commit 6769a23697f17f9bf9365ca8ed62fe37e361a05a upstream.

The "instance" variable needs to be signed for the error handling to work.

Fixes: 8b2faf1a4f3b ("drm/amdgpu: add error handle to avoid out-of-bounds")
Reviewed-by: Bob Zhou <bob.zhou@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Siddh Raman Pant <siddh.raman.pant@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2148,7 +2148,7 @@ static int sdma_v4_0_process_trap_irq(st
 				      struct amdgpu_irq_src *source,
 				      struct amdgpu_iv_entry *entry)
 {
-	uint32_t instance;
+	int instance;
 
 	DRM_DEBUG("IH: SDMA trap\n");
 	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);

[PATCH 5.15 74/87] samples: Add fs error monitoring example

[Greg Kroah-Hartman]

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

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

From: Gabriel Krisman Bertazi <krisman@collabora.com>

[ Upstream commit 5451093081db6ca1a708d149e11cfd219800bc4c ]

Introduce an example of a FAN_FS_ERROR fanotify user to track filesystem
errors.

Link: https://lore.kernel.org/r/20211025192746.66445-31-krisman@collabora.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 samples/Kconfig               |    9 ++
 samples/Makefile              |    1 
 samples/fanotify/Makefile     |    5 +
 samples/fanotify/fs-monitor.c |  142 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 157 insertions(+)
 create mode 100644 samples/fanotify/Makefile
 create mode 100644 samples/fanotify/fs-monitor.c

--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -120,6 +120,15 @@ config SAMPLE_CONNECTOR
 	  with it.
 	  See also Documentation/driver-api/connector.rst
 
+config SAMPLE_FANOTIFY_ERROR
+	bool "Build fanotify error monitoring sample"
+	depends on FANOTIFY
+	help
+	  When enabled, this builds an example code that uses the
+	  FAN_FS_ERROR fanotify mechanism to monitor filesystem
+	  errors.
+	  See also Documentation/admin-guide/filesystem-monitoring.rst.
+
 config SAMPLE_HIDRAW
 	bool "hidraw sample"
 	depends on CC_CAN_LINK && HEADERS_INSTALL
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -5,6 +5,7 @@ subdir-$(CONFIG_SAMPLE_AUXDISPLAY)	+= au
 subdir-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs
 obj-$(CONFIG_SAMPLE_CONFIGFS)		+= configfs/
 obj-$(CONFIG_SAMPLE_CONNECTOR)		+= connector/
+obj-$(CONFIG_SAMPLE_FANOTIFY_ERROR)	+= fanotify/
 subdir-$(CONFIG_SAMPLE_HIDRAW)		+= hidraw
 obj-$(CONFIG_SAMPLE_HW_BREAKPOINT)	+= hw_breakpoint/
 obj-$(CONFIG_SAMPLE_KDB)		+= kdb/
--- /dev/null
+++ b/samples/fanotify/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+userprogs-always-y += fs-monitor
+
+userccflags += -I usr/include -Wall
+
--- /dev/null
+++ b/samples/fanotify/fs-monitor.c
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021, Collabora Ltd.
+ */
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <err.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/fanotify.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#ifndef FAN_FS_ERROR
+#define FAN_FS_ERROR		0x00008000
+#define FAN_EVENT_INFO_TYPE_ERROR	5
+
+struct fanotify_event_info_error {
+	struct fanotify_event_info_header hdr;
+	__s32 error;
+	__u32 error_count;
+};
+#endif
+
+#ifndef FILEID_INO32_GEN
+#define FILEID_INO32_GEN	1
+#endif
+
+#ifndef FILEID_INVALID
+#define	FILEID_INVALID		0xff
+#endif
+
+static void print_fh(struct file_handle *fh)
+{
+	int i;
+	uint32_t *h = (uint32_t *) fh->f_handle;
+
+	printf("\tfh: ");
+	for (i = 0; i < fh->handle_bytes; i++)
+		printf("%hhx", fh->f_handle[i]);
+	printf("\n");
+
+	printf("\tdecoded fh: ");
+	if (fh->handle_type == FILEID_INO32_GEN)
+		printf("inode=%u gen=%u\n", h[0], h[1]);
+	else if (fh->handle_type == FILEID_INVALID && !fh->handle_bytes)
+		printf("Type %d (Superblock error)\n", fh->handle_type);
+	else
+		printf("Type %d (Unknown)\n", fh->handle_type);
+
+}
+
+static void handle_notifications(char *buffer, int len)
+{
+	struct fanotify_event_metadata *event =
+		(struct fanotify_event_metadata *) buffer;
+	struct fanotify_event_info_header *info;
+	struct fanotify_event_info_error *err;
+	struct fanotify_event_info_fid *fid;
+	int off;
+
+	for (; FAN_EVENT_OK(event, len); event = FAN_EVENT_NEXT(event, len)) {
+
+		if (event->mask != FAN_FS_ERROR) {
+			printf("unexpected FAN MARK: %llx\n", event->mask);
+			goto next_event;
+		}
+
+		if (event->fd != FAN_NOFD) {
+			printf("Unexpected fd (!= FAN_NOFD)\n");
+			goto next_event;
+		}
+
+		printf("FAN_FS_ERROR (len=%d)\n", event->event_len);
+
+		for (off = sizeof(*event) ; off < event->event_len;
+		     off += info->len) {
+			info = (struct fanotify_event_info_header *)
+				((char *) event + off);
+
+			switch (info->info_type) {
+			case FAN_EVENT_INFO_TYPE_ERROR:
+				err = (struct fanotify_event_info_error *) info;
+
+				printf("\tGeneric Error Record: len=%d\n",
+				       err->hdr.len);
+				printf("\terror: %d\n", err->error);
+				printf("\terror_count: %d\n", err->error_count);
+				break;
+
+			case FAN_EVENT_INFO_TYPE_FID:
+				fid = (struct fanotify_event_info_fid *) info;
+
+				printf("\tfsid: %x%x\n",
+				       fid->fsid.val[0], fid->fsid.val[1]);
+				print_fh((struct file_handle *) &fid->handle);
+				break;
+
+			default:
+				printf("\tUnknown info type=%d len=%d:\n",
+				       info->info_type, info->len);
+			}
+		}
+next_event:
+		printf("---\n\n");
+	}
+}
+
+int main(int argc, char **argv)
+{
+	int fd;
+
+	char buffer[BUFSIZ];
+
+	if (argc < 2) {
+		printf("Missing path argument\n");
+		return 1;
+	}
+
+	fd = fanotify_init(FAN_CLASS_NOTIF|FAN_REPORT_FID, O_RDONLY);
+	if (fd < 0)
+		errx(1, "fanotify_init");
+
+	if (fanotify_mark(fd, FAN_MARK_ADD|FAN_MARK_FILESYSTEM,
+			  FAN_FS_ERROR, AT_FDCWD, argv[1])) {
+		errx(1, "fanotify_mark");
+	}
+
+	while (1) {
+		int n = read(fd, buffer, BUFSIZ);
+
+		if (n < 0)
+			errx(1, "read");
+
+		handle_notifications(buffer, n);
+	}
+
+	return 0;
+}

[PATCH 5.15 75/87] samples: Make fs-monitor depend on libc and headers

[Greg Kroah-Hartman]

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

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

From: Gabriel Krisman Bertazi <krisman@collabora.com>

[ Upstream commit 8fc70b3a142f97f7859bf052151df896933d2586 ]

Prevent build errors when headers or libc are not available, such as on
kernel build bots, like the below:

samples/fanotify/fs-monitor.c:7:10: fatal error: errno.h: No such file
or directory
  7 | #include <errno.h>
    |          ^~~~~~~~~

Link: https://lore.kernel.org/r/87fsslasgz.fsf@collabora.com
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 samples/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -122,7 +122,7 @@ config SAMPLE_CONNECTOR
 
 config SAMPLE_FANOTIFY_ERROR
 	bool "Build fanotify error monitoring sample"
-	depends on FANOTIFY
+	depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL
 	help
 	  When enabled, this builds an example code that uses the
 	  FAN_FS_ERROR fanotify mechanism to monitor filesystem

[PATCH 5.15 76/87] docs: Fix formatting of literal sections in fanotify docs

[Greg Kroah-Hartman]

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

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

From: Gabriel Krisman Bertazi <krisman@collabora.com>

[ Upstream commit 9abeae5d4458326e16df7ea237104b58c27dfd77 ]

Stephen Rothwell reported the following warning was introduced by commit
c0baf9ac0b05 ("docs: Document the FAN_FS_ERROR event").

Documentation/admin-guide/filesystem-monitoring.rst:60: WARNING:
 Definition list ends without a blank line; unexpected unindent.

Link: https://lore.kernel.org/r/87y26camhe.fsf@collabora.com
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 Documentation/admin-guide/filesystem-monitoring.rst |   20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

--- a/Documentation/admin-guide/filesystem-monitoring.rst
+++ b/Documentation/admin-guide/filesystem-monitoring.rst
@@ -35,9 +35,11 @@ notifications is Ext4.
 
 A FAN_FS_ERROR Notification has the following format::
 
-  [ Notification Metadata (Mandatory) ]
-  [ Generic Error Record  (Mandatory) ]
-  [ FID record            (Mandatory) ]
+  ::
+
+     [ Notification Metadata (Mandatory) ]
+     [ Generic Error Record  (Mandatory) ]
+     [ FID record            (Mandatory) ]
 
 The order of records is not guaranteed, and new records might be added
 in the future.  Therefore, applications must not rely on the order and
@@ -53,11 +55,13 @@ providing any additional details about t
 identified by ``struct fanotify_event_info_header.info_type`` being set
 to FAN_EVENT_INFO_TYPE_ERROR.
 
-  struct fanotify_event_info_error {
-	struct fanotify_event_info_header hdr;
-	__s32 error;
-	__u32 error_count;
-  };
+  ::
+
+     struct fanotify_event_info_error {
+          struct fanotify_event_info_header hdr;
+         __s32 error;
+         __u32 error_count;
+     };
 
 The `error` field identifies the type of error using errno values.
 `error_count` tracks the number of errors that occurred and were

[PATCH 5.15 77/87] Add gitignore file for samples/fanotify/ subdirectory

[Greg Kroah-Hartman]

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

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

From: Linus Torvalds <torvalds@linux-foundation.org>

[ Upstream commit c107fb9b4f8338375b3e865c3d2c1d98ccb3a95a ]

Commit 5451093081db ("samples: Add fs error monitoring example") added a
new sample program, but didn't teach git to ignore the new generated
files, causing unnecessary noise from 'git status' after a full build.

Add the 'fs-monitor' sample executable to the .gitignore for this
subdirectory to silence it all again.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 samples/fanotify/.gitignore |    1 +
 1 file changed, 1 insertion(+)
 create mode 100644 samples/fanotify/.gitignore

--- /dev/null
+++ b/samples/fanotify/.gitignore
@@ -0,0 +1 @@
+fs-monitor

[PATCH 5.15 78/87] net: relax socket state check at accept time.

[Greg Kroah-Hartman]

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

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

From: Paolo Abeni <pabeni@redhat.com>

commit 26afda78cda3da974fd4c287962c169e9462c495 upstream.

Christoph reported the following splat:

WARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0
Modules linked in:
CPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014
RIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759
Code: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80
RSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293
RAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64
R10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000
R13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800
FS:  000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 <TASK>
 inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786
 do_accept+0x435/0x620 net/socket.c:1929
 __sys_accept4_file net/socket.c:1969 [inline]
 __sys_accept4+0x9b/0x110 net/socket.c:1999
 __do_sys_accept net/socket.c:2016 [inline]
 __se_sys_accept net/socket.c:2013 [inline]
 __x64_sys_accept+0x7d/0x90 net/socket.c:2013
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x4315f9
Code: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300
R10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055
 </TASK>

The reproducer invokes shutdown() before entering the listener status.
After commit 94062790aedb ("tcp: defer shutdown(SEND_SHUTDOWN) for
TCP_SYN_RECV sockets"), the above causes the child to reach the accept
syscall in FIN_WAIT1 status.

Eric noted we can relax the existing assertion in __inet_accept()

Reported-by: Christoph Paasch <cpaasch@apple.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/490
Suggested-by: Eric Dumazet <edumazet@google.com>
Fixes: 94062790aedb ("tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets")
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/23ab880a44d8cfd967e84de8b93dbf48848e3d8c.1716299669.git.pabeni@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Nikolay Kuratov <kniv@yandex-team.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/ipv4/af_inet.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -761,7 +761,9 @@ int inet_accept(struct socket *sock, str
 	sock_rps_record_flow(sk2);
 	WARN_ON(!((1 << sk2->sk_state) &
 		  (TCPF_ESTABLISHED | TCPF_SYN_RECV |
-		  TCPF_CLOSE_WAIT | TCPF_CLOSE)));
+		   TCPF_FIN_WAIT1 | TCPF_FIN_WAIT2 |
+		   TCPF_CLOSING | TCPF_CLOSE_WAIT |
+		   TCPF_CLOSE)));
 
 	sock_graft(sk2, newsock);
 

[PATCH 5.15 79/87] ocfs2: add bounds checking to ocfs2_check_dir_entry()

[Greg Kroah-Hartman]

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

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

From: lei lu <llfamsec@gmail.com>

commit 255547c6bb8940a97eea94ef9d464ea5967763fb upstream.

This adds sanity checks for ocfs2_dir_entry to make sure all members of
ocfs2_dir_entry don't stray beyond valid memory region.

Link: https://lkml.kernel.org/r/20240626104433.163270-1-llfamsec@gmail.com
Signed-off-by: lei lu <llfamsec@gmail.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/ocfs2/dir.c |   46 +++++++++++++++++++++++++++++-----------------
 1 file changed, 29 insertions(+), 17 deletions(-)

--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -294,13 +294,16 @@ out:
  * bh passed here can be an inode block or a dir data block, depending
  * on the inode inline data flag.
  */
-static int ocfs2_check_dir_entry(struct inode * dir,
-				 struct ocfs2_dir_entry * de,
-				 struct buffer_head * bh,
+static int ocfs2_check_dir_entry(struct inode *dir,
+				 struct ocfs2_dir_entry *de,
+				 struct buffer_head *bh,
+				 char *buf,
+				 unsigned int size,
 				 unsigned long offset)
 {
 	const char *error_msg = NULL;
 	const int rlen = le16_to_cpu(de->rec_len);
+	const unsigned long next_offset = ((char *) de - buf) + rlen;
 
 	if (unlikely(rlen < OCFS2_DIR_REC_LEN(1)))
 		error_msg = "rec_len is smaller than minimal";
@@ -308,9 +311,11 @@ static int ocfs2_check_dir_entry(struct
 		error_msg = "rec_len % 4 != 0";
 	else if (unlikely(rlen < OCFS2_DIR_REC_LEN(de->name_len)))
 		error_msg = "rec_len is too small for name_len";
-	else if (unlikely(
-		 ((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize))
-		error_msg = "directory entry across blocks";
+	else if (unlikely(next_offset > size))
+		error_msg = "directory entry overrun";
+	else if (unlikely(next_offset > size - OCFS2_DIR_REC_LEN(1)) &&
+		 next_offset != size)
+		error_msg = "directory entry too close to end";
 
 	if (unlikely(error_msg != NULL))
 		mlog(ML_ERROR, "bad entry in directory #%llu: %s - "
@@ -352,16 +357,17 @@ static inline int ocfs2_search_dirblock(
 	de_buf = first_de;
 	dlimit = de_buf + bytes;
 
-	while (de_buf < dlimit) {
+	while (de_buf < dlimit - OCFS2_DIR_MEMBER_LEN) {
 		/* this code is executed quadratically often */
 		/* do minimal checking `by hand' */
 
 		de = (struct ocfs2_dir_entry *) de_buf;
 
-		if (de_buf + namelen <= dlimit &&
+		if (de->name + namelen <= dlimit &&
 		    ocfs2_match(namelen, name, de)) {
 			/* found a match - just to be sure, do a full check */
-			if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {
+			if (!ocfs2_check_dir_entry(dir, de, bh, first_de,
+						   bytes, offset)) {
 				ret = -1;
 				goto bail;
 			}
@@ -1138,7 +1144,7 @@ static int __ocfs2_delete_entry(handle_t
 	pde = NULL;
 	de = (struct ocfs2_dir_entry *) first_de;
 	while (i < bytes) {
-		if (!ocfs2_check_dir_entry(dir, de, bh, i)) {
+		if (!ocfs2_check_dir_entry(dir, de, bh, first_de, bytes, i)) {
 			status = -EIO;
 			mlog_errno(status);
 			goto bail;
@@ -1638,7 +1644,8 @@ int __ocfs2_add_entry(handle_t *handle,
 		/* These checks should've already been passed by the
 		 * prepare function, but I guess we can leave them
 		 * here anyway. */
-		if (!ocfs2_check_dir_entry(dir, de, insert_bh, offset)) {
+		if (!ocfs2_check_dir_entry(dir, de, insert_bh, data_start,
+					   size, offset)) {
 			retval = -ENOENT;
 			goto bail;
 		}
@@ -1776,7 +1783,8 @@ static int ocfs2_dir_foreach_blk_id(stru
 		}
 
 		de = (struct ocfs2_dir_entry *) (data->id_data + ctx->pos);
-		if (!ocfs2_check_dir_entry(inode, de, di_bh, ctx->pos)) {
+		if (!ocfs2_check_dir_entry(inode, de, di_bh, (char *)data->id_data,
+					   i_size_read(inode), ctx->pos)) {
 			/* On error, skip the f_pos to the end. */
 			ctx->pos = i_size_read(inode);
 			break;
@@ -1869,7 +1877,8 @@ static int ocfs2_dir_foreach_blk_el(stru
 		while (ctx->pos < i_size_read(inode)
 		       && offset < sb->s_blocksize) {
 			de = (struct ocfs2_dir_entry *) (bh->b_data + offset);
-			if (!ocfs2_check_dir_entry(inode, de, bh, offset)) {
+			if (!ocfs2_check_dir_entry(inode, de, bh, bh->b_data,
+						   sb->s_blocksize, offset)) {
 				/* On error, skip the f_pos to the
 				   next block. */
 				ctx->pos = (ctx->pos | (sb->s_blocksize - 1)) + 1;
@@ -3341,7 +3350,7 @@ static int ocfs2_find_dir_space_id(struc
 	struct super_block *sb = dir->i_sb;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 	struct ocfs2_dir_entry *de, *last_de = NULL;
-	char *de_buf, *limit;
+	char *first_de, *de_buf, *limit;
 	unsigned long offset = 0;
 	unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize;
 
@@ -3354,14 +3363,16 @@ static int ocfs2_find_dir_space_id(struc
 	else
 		free_space = dir->i_sb->s_blocksize - i_size_read(dir);
 
-	de_buf = di->id2.i_data.id_data;
+	first_de = di->id2.i_data.id_data;
+	de_buf = first_de;
 	limit = de_buf + i_size_read(dir);
 	rec_len = OCFS2_DIR_REC_LEN(namelen);
 
 	while (de_buf < limit) {
 		de = (struct ocfs2_dir_entry *)de_buf;
 
-		if (!ocfs2_check_dir_entry(dir, de, di_bh, offset)) {
+		if (!ocfs2_check_dir_entry(dir, de, di_bh, first_de,
+					   i_size_read(dir), offset)) {
 			ret = -ENOENT;
 			goto out;
 		}
@@ -3443,7 +3454,8 @@ static int ocfs2_find_dir_space_el(struc
 			/* move to next block */
 			de = (struct ocfs2_dir_entry *) bh->b_data;
 		}
-		if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {
+		if (!ocfs2_check_dir_entry(dir, de, bh, bh->b_data, blocksize,
+					   offset)) {
 			status = -ENOENT;
 			goto bail;
 		}

[PATCH 5.15 80/87] jfs: dont walk off the end of ealist

[Greg Kroah-Hartman]

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

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

From: lei lu <llfamsec@gmail.com>

commit d0fa70aca54c8643248e89061da23752506ec0d4 upstream.

Add a check before visiting the members of ea to
make sure each ea stays within the ealist.

Signed-off-by: lei lu <llfamsec@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/jfs/xattr.c |   23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -797,7 +797,7 @@ ssize_t __jfs_getxattr(struct inode *ino
 		       size_t buf_size)
 {
 	struct jfs_ea_list *ealist;
-	struct jfs_ea *ea;
+	struct jfs_ea *ea, *ealist_end;
 	struct ea_buffer ea_buf;
 	int xattr_size;
 	ssize_t size;
@@ -817,9 +817,16 @@ ssize_t __jfs_getxattr(struct inode *ino
 		goto not_found;
 
 	ealist = (struct jfs_ea_list *) ea_buf.xattr;
+	ealist_end = END_EALIST(ealist);
 
 	/* Find the named attribute */
-	for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea))
+	for (ea = FIRST_EA(ealist); ea < ealist_end; ea = NEXT_EA(ea)) {
+		if (unlikely(ea + 1 > ealist_end) ||
+		    unlikely(NEXT_EA(ea) > ealist_end)) {
+			size = -EUCLEAN;
+			goto release;
+		}
+
 		if ((namelen == ea->namelen) &&
 		    memcmp(name, ea->name, namelen) == 0) {
 			/* Found it */
@@ -834,6 +841,7 @@ ssize_t __jfs_getxattr(struct inode *ino
 			memcpy(data, value, size);
 			goto release;
 		}
+	}
       not_found:
 	size = -ENODATA;
       release:
@@ -861,7 +869,7 @@ ssize_t jfs_listxattr(struct dentry * de
 	ssize_t size = 0;
 	int xattr_size;
 	struct jfs_ea_list *ealist;
-	struct jfs_ea *ea;
+	struct jfs_ea *ea, *ealist_end;
 	struct ea_buffer ea_buf;
 
 	down_read(&JFS_IP(inode)->xattr_sem);
@@ -876,9 +884,16 @@ ssize_t jfs_listxattr(struct dentry * de
 		goto release;
 
 	ealist = (struct jfs_ea_list *) ea_buf.xattr;
+	ealist_end = END_EALIST(ealist);
 
 	/* compute required size of list */
-	for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
+	for (ea = FIRST_EA(ealist); ea < ealist_end; ea = NEXT_EA(ea)) {
+		if (unlikely(ea + 1 > ealist_end) ||
+		    unlikely(NEXT_EA(ea) > ealist_end)) {
+			size = -EUCLEAN;
+			goto release;
+		}
+
 		if (can_list(ea))
 			size += name_size(ea) + 1;
 	}

[PATCH 5.15 81/87] fs/ntfs3: Validate ff offset

[Greg Kroah-Hartman]

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

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

From: lei lu <llfamsec@gmail.com>

commit 50c47879650b4c97836a0086632b3a2e300b0f06 upstream.

This adds sanity checks for ff offset. There is a check
on rt->first_free at first, but walking through by ff
without any check. If the second ff is a large offset.
We may encounter an out-of-bound read.

Signed-off-by: lei lu <llfamsec@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/ntfs3/fslog.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -724,7 +724,8 @@ static bool check_rstbl(const struct RES
 
 	if (!rsize || rsize > bytes ||
 	    rsize + sizeof(struct RESTART_TABLE) > bytes || bytes < ts ||
-	    le16_to_cpu(rt->total) > ne || ff > ts || lf > ts ||
+	    le16_to_cpu(rt->total) > ne ||
+			ff > ts - sizeof(__le32) || lf > ts - sizeof(__le32) ||
 	    (ff && ff < sizeof(struct RESTART_TABLE)) ||
 	    (lf && lf < sizeof(struct RESTART_TABLE))) {
 		return false;
@@ -754,6 +755,9 @@ static bool check_rstbl(const struct RES
 			return false;
 
 		off = le32_to_cpu(*(__le32 *)Add2Ptr(rt, off));
+
+		if (off > ts - sizeof(__le32))
+			return false;
 	}
 
 	return true;

[PATCH 5.15 82/87] ALSA: hda/realtek: Enable headset mic on Positivo SU C1400

[Greg Kroah-Hartman]

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

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

From: Edson Juliano Drosdeck <edson.drosdeck@gmail.com>

commit 8fc1e8b230771442133d5cf5fa4313277aa2bb8b upstream.

Positivo SU C1400 is equipped with ALC256, and it needs
ALC269_FIXUP_ASPIRE_HEADSET_MIC quirk to make its headset mic work.

Signed-off-by: Edson Juliano Drosdeck <edson.drosdeck@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240712180642.22564-1-edson.drosdeck@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/pci/hda/patch_realtek.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9273,6 +9273,7 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC),
 	SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", ALC700_FIXUP_INTEL_REFERENCE),
 	SND_PCI_QUIRK(0x10ec, 0x118c, "Medion EE4254 MD62100", ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE),
+	SND_PCI_QUIRK(0x10ec, 0x119e, "Positivo SU C1400", ALC269_FIXUP_ASPIRE_HEADSET_MIC),
 	SND_PCI_QUIRK(0x10ec, 0x11bc, "VAIO VJFE-IL", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x10ec, 0x1230, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
 	SND_PCI_QUIRK(0x10ec, 0x124c, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),

[PATCH 5.15 83/87] ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360

[Greg Kroah-Hartman]

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

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

From: Seunghun Han <kkamagui@gmail.com>

commit d7063c08738573fc2f3296da6d31a22fa8aa843a upstream.

Samsung Galaxy Book Pro 360 (13" 2022 NT935QDB-KC71S) with codec SSID
144d:c1a4 requires the same workaround to enable the speaker amp
as other Samsung models with the ALC298 codec.

Signed-off-by: Seunghun Han <kkamagui@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240718080908.8677-1-kkamagui@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/pci/hda/patch_realtek.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9286,6 +9286,7 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x144d, 0xc189, "Samsung Galaxy Flex Book (NT950QCG-X716)", ALC298_FIXUP_SAMSUNG_AMP),
 	SND_PCI_QUIRK(0x144d, 0xc18a, "Samsung Galaxy Book Ion (NP930XCJ-K01US)", ALC298_FIXUP_SAMSUNG_AMP),
 	SND_PCI_QUIRK(0x144d, 0xc1a3, "Samsung Galaxy Book Pro (NP935XDB-KC1SE)", ALC298_FIXUP_SAMSUNG_AMP),
+	SND_PCI_QUIRK(0x144d, 0xc1a4, "Samsung Galaxy Book Pro 360 (NT935QBD)", ALC298_FIXUP_SAMSUNG_AMP),
 	SND_PCI_QUIRK(0x144d, 0xc1a6, "Samsung Galaxy Book Pro 360 (NP930QBD)", ALC298_FIXUP_SAMSUNG_AMP),
 	SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", ALC269_FIXUP_ATIV_BOOK_8),
 	SND_PCI_QUIRK(0x144d, 0xc812, "Samsung Notebook Pen S (NT950SBE-X58)", ALC298_FIXUP_SAMSUNG_AMP),

[PATCH 5.15 84/87] arm64: dts: qcom: msm8996: Disable SS instance in Parkmode for USB

[Greg Kroah-Hartman]

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

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

From: Krishna Kurapati <quic_kriskura@quicinc.com>

commit 44ea1ae3cf95db97e10d6ce17527948121f1dd4b upstream.

For Gen-1 targets like MSM8996, it is seen that stressing out the
controller in host mode results in HC died error:

 xhci-hcd.12.auto: xHCI host not responding to stop endpoint command
 xhci-hcd.12.auto: xHCI host controller not responding, assume dead
 xhci-hcd.12.auto: HC died; cleaning up

And at this instant only restarting the host mode fixes it. Disable
SuperSpeed instance in park mode for MSM8996 to mitigate this issue.

Cc: stable@vger.kernel.org
Fixes: 1e39255ed29d ("arm64: dts: msm8996: Add device node for qcom,dwc3")
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240704152848.3380602-8-quic_kriskura@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/arm64/boot/dts/qcom/msm8996.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -2634,6 +2634,7 @@
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;
 				snps,is-utmi-l1-suspend;
+				snps,parkmode-disable-ss-quirk;
 				tx-fifo-resize;
 			};
 		};

[PATCH 5.15 85/87] arm64: dts: qcom: sdm630: Disable SS instance in Parkmode for USB

[Greg Kroah-Hartman]

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

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

From: Krishna Kurapati <quic_kriskura@quicinc.com>

commit fad58a41b84667cb6c9232371fc3af77d4443889 upstream.

For Gen-1 targets like SDM630, it is seen that stressing out the
controller in host mode results in HC died error:

 xhci-hcd.12.auto: xHCI host not responding to stop endpoint command
 xhci-hcd.12.auto: xHCI host controller not responding, assume dead
 xhci-hcd.12.auto: HC died; cleaning up

And at this instant only restarting the host mode fixes it. Disable
SuperSpeed instance in park mode for SDM630 to mitigate this issue.

Cc: stable@vger.kernel.org
Fixes: c65a4ed2ea8b ("arm64: dts: qcom: sdm630: Add USB configuration")
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240704152848.3380602-5-quic_kriskura@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/arm64/boot/dts/qcom/sdm630.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -1236,6 +1236,7 @@
 				interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;
+				snps,parkmode-disable-ss-quirk;
 
 				/*
 				 * SDM630 technically supports USB3 but I

[PATCH 5.15 86/87] ALSA: pcm_dmaengine: Dont synchronize DMA channel when DMA is paused

[Greg Kroah-Hartman]

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

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

From: Shengjiu Wang <shengjiu.wang@nxp.com>

commit 88e98af9f4b5b0d60c1fe7f7f2701b5467691e75 upstream.

When suspended, the DMA channel may enter PAUSE state if dmaengine_pause()
is supported by DMA.
At this state, dmaengine_synchronize() should not be called, otherwise
the DMA channel can't be resumed successfully.

Fixes: e8343410ddf0 ("ALSA: dmaengine: Synchronize dma channel after drop()")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/1721198693-27636-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/core/pcm_dmaengine.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -347,8 +347,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open
 int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream)
 {
 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+	struct dma_tx_state state;
+	enum dma_status status;
 
-	dmaengine_synchronize(prtd->dma_chan);
+	status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+	if (status != DMA_PAUSED)
+		dmaengine_synchronize(prtd->dma_chan);
 
 	return 0;
 }

[PATCH 5.15 87/87] filelock: Fix fcntl/close race recovery compat path

[Greg Kroah-Hartman]

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

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

From: Jann Horn <jannh@google.com>

commit f8138f2ad2f745b9a1c696a05b749eabe44337ea upstream.

When I wrote commit 3cad1bc01041 ("filelock: Remove locks reliably when
fcntl/close race is detected"), I missed that there are two copies of the
code I was patching: The normal version, and the version for 64-bit offsets
on 32-bit kernels.
Thanks to Greg KH for stumbling over this while doing the stable
backport...

Apply exactly the same fix to the compat path for 32-bit kernels.

Fixes: c293621bbf67 ("[PATCH] stale POSIX lock handling")
Cc: stable@kernel.org
Link: https://bugs.chromium.org/p/project-zero/issues/detail?id=2563
Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20240723-fs-lock-recover-compatfix-v1-1-148096719529@google.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/locks.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2605,8 +2605,9 @@ int fcntl_setlk64(unsigned int fd, struc
 	error = do_lock_file_wait(filp, cmd, file_lock);
 
 	/*
-	 * Attempt to detect a close/fcntl race and recover by releasing the
-	 * lock that was just acquired. There is no need to do that when we're
+	 * Detect close/fcntl races and recover by zapping all POSIX locks
+	 * associated with this file and our files_struct, just like on
+	 * filp_flush(). There is no need to do that when we're
 	 * unlocking though, or for OFD locks.
 	 */
 	if (!error && file_lock->fl_type != F_UNLCK &&
@@ -2621,9 +2622,7 @@ int fcntl_setlk64(unsigned int fd, struc
 		f = files_lookup_fd_locked(files, fd);
 		spin_unlock(&files->file_lock);
 		if (f != filp) {
-			file_lock->fl_type = F_UNLCK;
-			error = do_lock_file_wait(filp, cmd, file_lock);
-			WARN_ON_ONCE(error);
+			locks_remove_posix(filp, files);
 			error = -EBADF;
 		}
 	}

Re: [PATCH 5.15 00/87] 5.15.164-rc1 review

[Naresh Kamboju]

On Thu, 25 Jul 2024 at 20:22, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.15.164 release.
> There are 87 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 Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

The following build errors noticed while building arm configs with toolchains
gcc-12 and clang-18 on stable-rc linux-5.15.y

First seen on today builds 25-July-2024.

  GOOD: b84034c8f228 ("Linux 5.15.163-rc2")
  BAD:  1d0703aa8114 ("Linux 5.15.164-rc1")

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Build log:
-------
from drivers/net/wireless/ralink/rt2x00/rt2800lib.c:25:
drivers/net/wireless/ralink/rt2x00/rt2800lib.c: In function
'rt2800_txpower_to_dev':
include/linux/build_bug.h:78:41: error: static assertion failed:
"clamp() low limit (char)(-7) greater than high limit (char)(15)"
   78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
      |                                         ^~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
   77 | #define static_assert(expr, ...) __static_assert(expr,
##__VA_ARGS__, #expr)
      |                                  ^~~~~~~~~~~~~~~
include/linux/minmax.h:66:17: note: in expansion of macro 'static_assert'
   66 |
static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),
 \
      |                 ^~~~~~~~~~~~~
include/linux/minmax.h:76:17: note: in expansion of macro '__clamp_once'
   76 |                 __clamp_once(val, lo, hi, __UNIQUE_ID(__val),
         \
      |                 ^~~~~~~~~~~~
include/linux/minmax.h:180:36: note: in expansion of macro '__careful_clamp'
  180 | #define clamp_t(type, val, lo, hi)
__careful_clamp((type)(val), (type)(lo), (type)(hi))
      |                                    ^~~~~~~~~~~~~~~
drivers/net/wireless/ralink/rt2x00/rt2800lib.c:3993:24: note: in
expansion of macro 'clamp_t'
 3993 |                 return clamp_t(char, txpower, MIN_A_TXPOWER,
MAX_A_TXPOWER);
      |                        ^~~~~~~


metadata:
----
  config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2jkA3TgHM4HJPklKlKvochTS6Sk/config
  download_url:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2jkA3TgHM4HJPklKlKvochTS6Sk/
  git_describe: v5.15.163-88-g1d0703aa8114
  git_repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
  git_sha: 1d0703aa8114ca7fa386273d01ed8a7e1b66d335
  git_short_log: 1d0703aa8114 ("Linux 5.15.164-rc1")

--
Linaro LKFT
https://lkft.linaro.org

Re: [PATCH 5.15 70/87] minmax: relax check to allow comparison between unsigned arguments and signed constants

[Linus Torvalds]

On Thu, 25 Jul 2024 at 07:55, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> 5.15-stable review patch.  If anyone has any objections, please let me know.

I assume the min/max patches had some reason to be backported that is
probably mentioned somewhere in the forest of patches, but I missed
it.

It's ok, but people are literally talking about this set of patches
causing a big slowdown in building the kernel, with some files going
from less than a second to build to being 15+ seconds because of the
preprocessor expansion they can cause.

               Linus

Re: [PATCH 5.15 00/87] 5.15.164-rc1 review

[SeongJae Park]

Hello,

On Thu, 25 Jul 2024 16:36:33 +0200 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:

> This is the start of the stable review cycle for the 5.15.164 release.
> There are 87 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 Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.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] 1d0703aa8114 ("Linux 5.15.164-rc1")

Thanks,
SJ

[...]

---

ok 1 selftests: damon: debugfs_attrs.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 5.15 70/87] minmax: relax check to allow comparison between unsigned arguments and signed constants

[Greg Kroah-Hartman]

On Thu, Jul 25, 2024 at 09:58:51AM -0700, Linus Torvalds wrote:
> On Thu, 25 Jul 2024 at 07:55, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > 5.15-stable review patch.  If anyone has any objections, please let me know.
> 
> I assume the min/max patches had some reason to be backported that is
> probably mentioned somewhere in the forest of patches, but I missed
> it.

It wasn't specifically called out here, but yes, they were needed for
the DAEMON fix.  And they will be needed in the future probably as well
because we have run into this problem many times when backporting
patches (i.e. the backport throws tons of warnings because the min/max
changes are not there.)

Same for 6.1.y, which is why they are there too.

> It's ok, but people are literally talking about this set of patches
> causing a big slowdown in building the kernel, with some files going
> from less than a second to build to being 15+ seconds because of the
> preprocessor expansion they can cause.

I saw that hopefully if that gets resolved in your tree we can backport
the needed changes here tool.

thanks,

greg k-h

Re: [PATCH 5.15 00/87] 5.15.164-rc1 review

[Harshit Mogalapalli]

Hi Greg,

On 25/07/24 20:06, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.164 release.
> There are 87 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.
> 

No problems seen on x86_64 and aarch64 with our testing.

Tested-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>

Thanks,
Harshit
> Responses should be made by Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

Re: [PATCH 5.15 00/87] 5.15.164-rc1 review

[Greg Kroah-Hartman]

On Thu, Jul 25, 2024 at 10:18:49PM +0530, Naresh Kamboju wrote:
> On Thu, 25 Jul 2024 at 20:22, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > This is the start of the stable review cycle for the 5.15.164 release.
> > There are 87 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 Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
> 
> The following build errors noticed while building arm configs with toolchains
> gcc-12 and clang-18 on stable-rc linux-5.15.y
> 
> First seen on today builds 25-July-2024.
> 
>   GOOD: b84034c8f228 ("Linux 5.15.163-rc2")
>   BAD:  1d0703aa8114 ("Linux 5.15.164-rc1")
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> 
> Build log:
> -------
> from drivers/net/wireless/ralink/rt2x00/rt2800lib.c:25:
> drivers/net/wireless/ralink/rt2x00/rt2800lib.c: In function
> 'rt2800_txpower_to_dev':
> include/linux/build_bug.h:78:41: error: static assertion failed:
> "clamp() low limit (char)(-7) greater than high limit (char)(15)"
>    78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
>       |                                         ^~~~~~~~~~~~~~
> include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
>    77 | #define static_assert(expr, ...) __static_assert(expr,
> ##__VA_ARGS__, #expr)
>       |                                  ^~~~~~~~~~~~~~~
> include/linux/minmax.h:66:17: note: in expansion of macro 'static_assert'
>    66 |
> static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),
>  \
>       |                 ^~~~~~~~~~~~~
> include/linux/minmax.h:76:17: note: in expansion of macro '__clamp_once'
>    76 |                 __clamp_once(val, lo, hi, __UNIQUE_ID(__val),
>          \
>       |                 ^~~~~~~~~~~~
> include/linux/minmax.h:180:36: note: in expansion of macro '__careful_clamp'
>   180 | #define clamp_t(type, val, lo, hi)
> __careful_clamp((type)(val), (type)(lo), (type)(hi))
>       |                                    ^~~~~~~~~~~~~~~
> drivers/net/wireless/ralink/rt2x00/rt2800lib.c:3993:24: note: in
> expansion of macro 'clamp_t'
>  3993 |                 return clamp_t(char, txpower, MIN_A_TXPOWER,
> MAX_A_TXPOWER);
>       |                        ^~~~~~~
> 

Thanks, I've added a commit that should resolve this now.  I'll push out
a -rc2 in a bit.

greg k-h

Re: [PATCH 5.15 00/87] 5.15.164-rc1 review

[Pavel Machek]

[-- Attachment #1: Type: text/plain, Size: 3381 bytes --]

On Fri 2024-07-26 08:33:00, Greg Kroah-Hartman wrote:
> On Thu, Jul 25, 2024 at 10:18:49PM +0530, Naresh Kamboju wrote:
> > On Thu, 25 Jul 2024 at 20:22, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> > >
> > > This is the start of the stable review cycle for the 5.15.164 release.
> > > There are 87 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 Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.y
> > > and the diffstat can be found below.
> > >
> > > thanks,
> > >
> > > greg k-h
> > 
> > The following build errors noticed while building arm configs with toolchains
> > gcc-12 and clang-18 on stable-rc linux-5.15.y
> > 
> > First seen on today builds 25-July-2024.
> > 
> >   GOOD: b84034c8f228 ("Linux 5.15.163-rc2")
> >   BAD:  1d0703aa8114 ("Linux 5.15.164-rc1")
> > 
> > Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> > 
> > Build log:
> > -------
> > from drivers/net/wireless/ralink/rt2x00/rt2800lib.c:25:
> > drivers/net/wireless/ralink/rt2x00/rt2800lib.c: In function
> > 'rt2800_txpower_to_dev':
> > include/linux/build_bug.h:78:41: error: static assertion failed:
> > "clamp() low limit (char)(-7) greater than high limit (char)(15)"
> >    78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
> >       |                                         ^~~~~~~~~~~~~~
> > include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
> >    77 | #define static_assert(expr, ...) __static_assert(expr,
> > ##__VA_ARGS__, #expr)
> >       |                                  ^~~~~~~~~~~~~~~
> > include/linux/minmax.h:66:17: note: in expansion of macro 'static_assert'
> >    66 |
> > static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),
> >  \
> >       |                 ^~~~~~~~~~~~~
> > include/linux/minmax.h:76:17: note: in expansion of macro '__clamp_once'
> >    76 |                 __clamp_once(val, lo, hi, __UNIQUE_ID(__val),
> >          \
> >       |                 ^~~~~~~~~~~~
> > include/linux/minmax.h:180:36: note: in expansion of macro '__careful_clamp'
> >   180 | #define clamp_t(type, val, lo, hi)
> > __careful_clamp((type)(val), (type)(lo), (type)(hi))
> >       |                                    ^~~~~~~~~~~~~~~
> > drivers/net/wireless/ralink/rt2x00/rt2800lib.c:3993:24: note: in
> > expansion of macro 'clamp_t'
> >  3993 |                 return clamp_t(char, txpower, MIN_A_TXPOWER,
> > MAX_A_TXPOWER);
> >       |                        ^~~~~~~
> > 
> 
> Thanks, I've added a commit that should resolve this now.  I'll push out
> a -rc2 in a bit.

We see this one, too. -rc2's hit the test farm, we should have results
in hour or so.

BR,
								Pavel
-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 195 bytes --]

Re: [PATCH 5.15 70/87] minmax: relax check to allow comparison between unsigned arguments and signed constants

[SeongJae Park]

On Fri, 26 Jul 2024 07:21:30 +0200 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:

> On Thu, Jul 25, 2024 at 09:58:51AM -0700, Linus Torvalds wrote:
> > On Thu, 25 Jul 2024 at 07:55, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> > >
> > > 5.15-stable review patch.  If anyone has any objections, please let me know.
> > 
> > I assume the min/max patches had some reason to be backported that is
> > probably mentioned somewhere in the forest of patches, but I missed
> > it.
> 
> It wasn't specifically called out here, but yes, they were needed for
> the DAEMON fix.  And they will be needed in the future probably as well
> because we have run into this problem many times when backporting
> patches (i.e. the backport throws tons of warnings because the min/max
> changes are not there.)

For others' information, the original backporting request including the detail
is available at https://lore.kernel.org/20240716183333.138498-1-sj@kernel.org

Also, s/DAEMON/DAMON/ ;)

> 
> Same for 6.1.y, which is why they are there too.
> 
> > It's ok, but people are literally talking about this set of patches
> > causing a big slowdown in building the kernel, with some files going
> > from less than a second to build to being 15+ seconds because of the
> > preprocessor expansion they can cause.
> 
> I saw that hopefully if that gets resolved in your tree we can backport
> the needed changes here tool.

I agree.


Thanks,
SJ

> 
> thanks,
> 
> greg k-h

Re: [PATCH 5.15 00/87] 5.15.164-rc1 review

[Shuah Khan]

On 7/25/24 08:36, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.164 release.
> There are 87 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 Sat, 27 Jul 2024 14:27:16 +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/v5.x/stable-review/patch-5.15.164-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-5.15.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 5.15 70/87] minmax: relax check to allow comparison between unsigned arguments and signed constants

[Greg Kroah-Hartman]

On Fri, Jul 26, 2024 at 09:05:13AM -0700, SeongJae Park wrote:
> On Fri, 26 Jul 2024 07:21:30 +0200 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
> 
> > On Thu, Jul 25, 2024 at 09:58:51AM -0700, Linus Torvalds wrote:
> > > On Thu, 25 Jul 2024 at 07:55, Greg Kroah-Hartman
> > > <gregkh@linuxfoundation.org> wrote:
> > > >
> > > > 5.15-stable review patch.  If anyone has any objections, please let me know.
> > > 
> > > I assume the min/max patches had some reason to be backported that is
> > > probably mentioned somewhere in the forest of patches, but I missed
> > > it.
> > 
> > It wasn't specifically called out here, but yes, they were needed for
> > the DAEMON fix.  And they will be needed in the future probably as well
> > because we have run into this problem many times when backporting
> > patches (i.e. the backport throws tons of warnings because the min/max
> > changes are not there.)
> 
> For others' information, the original backporting request including the detail
> is available at https://lore.kernel.org/20240716183333.138498-1-sj@kernel.org
> 
> Also, s/DAEMON/DAMON/ ;)

Sorry about that, correct names are important :)

I see Linus just committed 2 min/max "fixes" for this type of "the
preprocessor went mad!" issues to his tree so I'll look at backporting
them if people have build issues with the stable trees as well.

thanks,

greg k-h