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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Hulk Robot <hulkci@huawei.com>,
	YueHaibing <yuehaibing@huawei.com>,
	Alexander Aring <aring@mojatatu.com>,
	Stefan Schmidt <stefan@datenfreihafen.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 19/79] ieee802154: hwsim: Fix error handle path in hwsim_init_module
Date: Fri, 20 Sep 2019 00:03:04 +0200	[thread overview]
Message-ID: <20190919214809.499218284@linuxfoundation.org> (raw)
In-Reply-To: <20190919214807.612593061@linuxfoundation.org>

From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 1cbbbf39efab05fae67f59e6ed01bb85061c69e2 ]

KASAN report this:

BUG: unable to handle kernel paging request at fffffbfff834f001
PGD 237fe8067 P4D 237fe8067 PUD 237e64067 PMD 1c968d067 PTE 0
Oops: 0000 [#1] SMP KASAN PTI
CPU: 1 PID: 8871 Comm: syz-executor.0 Tainted: G         C        5.0.0+ #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
RIP: 0010:strcmp+0x31/0xa0 lib/string.c:328
Code: 00 00 00 00 fc ff df 55 53 48 83 ec 08 eb 0a 84 db 48 89 ef 74 5a 4c 89 e6 48 89 f8 48 89 fa 48 8d 6f 01 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 04 84 c0 75 50 48 89 f0 48 89 f2 0f b6 5d
RSP: 0018:ffff8881e0c57800 EFLAGS: 00010246
RAX: 1ffffffff834f001 RBX: ffffffffc1a78000 RCX: ffffffff827b9503
RDX: 0000000000000000 RSI: ffffffffc1a40008 RDI: ffffffffc1a78008
RBP: ffffffffc1a78009 R08: fffffbfff6a92195 R09: fffffbfff6a92195
R10: ffff8881e0c578b8 R11: fffffbfff6a92194 R12: ffffffffc1a40008
R13: dffffc0000000000 R14: ffffffffc1a3e470 R15: ffffffffc1a40000
FS:  00007fdcc02ff700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff834f001 CR3: 00000001b3134003 CR4: 00000000007606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 genl_family_find_byname+0x7f/0xf0 net/netlink/genetlink.c:104
 genl_register_family+0x1e1/0x1070 net/netlink/genetlink.c:333
 ? 0xffffffffc1978000
 hwsim_init_module+0x6a/0x1000 [mac802154_hwsim]
 ? 0xffffffffc1978000
 ? 0xffffffffc1978000
 ? 0xffffffffc1978000
 do_one_initcall+0xbc/0x47d init/main.c:887
 do_init_module+0x1b5/0x547 kernel/module.c:3456
 load_module+0x6405/0x8c10 kernel/module.c:3804
 __do_sys_finit_module+0x162/0x190 kernel/module.c:3898
 do_syscall_64+0x9f/0x450 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x462e99
Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdcc02fec58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 000000000073bf00 RCX: 0000000000462e99
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 00007fdcc02fec70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdcc02ff6bc
R13: 00000000004bcefa R14: 00000000006f6fb0 R15: 0000000000000004
Modules linked in: mac802154_hwsim(+) mac802154 ieee802154 speakup(C) rc_proteus_2309 rtc_rk808 streebog_generic rds vboxguest madera_spi madera da9052_wdt mISDN_core ueagle_atm usbatm atm ir_imon_decoder scsi_transport_sas rc_dntv_live_dvb_t panel_samsung_s6d16d0 drm drm_panel_orientation_quirks lib80211 fb_agm1264k_fl(C) gspca_pac7302 gspca_main videobuf2_v4l2 soundwire_intel_init i2c_dln2 dln2 usbcore hid_gaff 88pm8607 nfnetlink axp20x_i2c axp20x uio pata_marvell pmbus_core snd_sonicvibes gameport snd_pcm snd_opl3_lib snd_timer snd_hwdep snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore rtc_ds1511 rtc_ds1742 vsock dwc_xlgmac rtc_rx8010 libphy twofish_x86_64_3way twofish_x86_64 twofish_common ad5696_i2c ad5686 lp8788_charger cxd2880_spi dvb_core videobuf2_common videodev media videobuf2_vmalloc videobuf2_memops fbtft(C) sysimgblt sysfillrect syscopyarea fb_sys_fops janz_ican3 firewire_net firewire_core crc_itu_t spi_slave_system_control i2c_matroxfb i2c_algo_bit
 matroxfb_base fb fbdev matroxfb_DAC1064 matroxfb_accel cfbcopyarea cfbimgblt cfbfillrect matroxfb_Ti3026 matroxfb_g450 g450_pll matroxfb_misc leds_blinkm ti_dac7311 intel_spi_pci intel_spi spi_nor hid_elan hid async_tx rc_cinergy_1400 rc_core intel_ishtp kxcjk_1013 industrialio_triggered_buffer kfifo_buf can_dev intel_th spi_pxa2xx_platform pata_artop vme_ca91cx42 gb_gbphy(C) greybus(C) industrialio mptbase st_drv cmac ttpci_eeprom via_wdt gpio_xra1403 mtd iptable_security iptable_raw iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter bpfilter ip6_vti ip_vti ip_gre ipip sit tunnel4 ip_tunnel hsr veth netdevsim vxcan batman_adv cfg80211 rfkill chnl_net caif nlmon dummy team bonding vcan bridge stp llc ip6_gre gre ip6_tunnel tunnel6 tun joydev mousedev ppdev kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 input_leds crypto_simd cryptd glue_helper ide_pci_generic piix psmouse
 ide_core serio_raw ata_generic i2c_piix4 pata_acpi parport_pc parport floppy rtc_cmos intel_agp intel_gtt agpgart sch_fq_codel ip_tables x_tables sha1_ssse3 sha1_generic ipv6 [last unloaded: speakup]
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: fffffbfff834f001
---[ end trace 5aa772c793e0e971 ]---
RIP: 0010:strcmp+0x31/0xa0 lib/string.c:328
Code: 00 00 00 00 fc ff df 55 53 48 83 ec 08 eb 0a 84 db 48 89 ef 74 5a 4c 89 e6 48 89 f8 48 89 fa 48 8d 6f 01 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 04 84 c0 75 50 48 89 f0 48 89 f2 0f b6 5d
RSP: 0018:ffff8881e0c57800 EFLAGS: 00010246
RAX: 1ffffffff834f001 RBX: ffffffffc1a78000 RCX: ffffffff827b9503
RDX: 0000000000000000 RSI: ffffffffc1a40008 RDI: ffffffffc1a78008
RBP: ffffffffc1a78009 R08: fffffbfff6a92195 R09: fffffbfff6a92195
R10: ffff8881e0c578b8 R11: fffffbfff6a92194 R12: ffffffffc1a40008
R13: dffffc0000000000 R14: ffffffffc1a3e470 R15: ffffffffc1a40000
FS:  00007fdcc02ff700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff834f001 CR3: 00000001b3134003 CR4: 00000000007606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554

The error handing path misplace the cleanup in hwsim_init_module,
switch the two cleanup functions to fix above issues.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ieee802154/mac802154_hwsim.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index f1ed1744801c7..20b4c0c21e36a 100644
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c
@@ -920,9 +920,9 @@ static __init int hwsim_init_module(void)
 	return 0;
 
 platform_drv:
-	genl_unregister_family(&hwsim_genl_family);
-platform_dev:
 	platform_device_unregister(mac802154hwsim_dev);
+platform_dev:
+	genl_unregister_family(&hwsim_genl_family);
 	return rc;
 }
 
-- 
2.20.1




  parent reply	other threads:[~2019-09-19 22:32 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-19 22:02 [PATCH 4.19 00/79] 4.19.75-stable review Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 01/79] netfilter: nf_flow_table: set default timeout after successful insertion Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 02/79] HID: wacom: generic: read HID_DG_CONTACTMAX from any feature report Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 03/79] RDMA/restrack: Release task struct which was hold by CM_ID object Greg Kroah-Hartman
2019-09-21 20:22   ` Pavel Machek
2019-09-22  8:30     ` Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 04/79] Input: elan_i2c - remove Lenovo Legion Y7000 PnpID Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 05/79] powerpc/mm/radix: Use the right page size for vmemmap mapping Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 06/79] USB: usbcore: Fix slab-out-of-bounds bug during device reset Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 07/79] media: tm6000: double free if usb disconnect while streaming Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 08/79] phy: renesas: rcar-gen3-usb2: Disable clearing VBUS in over-current Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 09/79] ip6_gre: fix a dst leak in ip6erspan_tunnel_xmit Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 10/79] udp: correct reuseport selection with connected sockets Greg Kroah-Hartman
2019-09-21 20:32   ` Pavel Machek
2019-09-19 22:02 ` [PATCH 4.19 11/79] xen-netfront: do not assume sk_buff_head list is empty in error handling Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 12/79] net_sched: let qdisc_put() accept NULL pointer Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 13/79] KVM: coalesced_mmio: add bounds checking Greg Kroah-Hartman
2019-09-19 22:02 ` [PATCH 4.19 14/79] firmware: google: check if size is valid when decoding VPD data Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 15/79] serial: sprd: correct the wrong sequence of arguments Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 16/79] tty/serial: atmel: reschedule TX after RX was started Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 17/79] mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 18/79] nl80211: Fix possible Spectre-v1 for CQM RSSI thresholds Greg Kroah-Hartman
2019-09-20 11:28   ` Pavel Machek
2019-09-19 22:03 ` Greg Kroah-Hartman [this message]
2019-09-19 22:03 ` [PATCH 4.19 20/79] ieee802154: hwsim: unregister hw while hwsim_subscribe_all_others fails Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 21/79] ARM: dts: am57xx: Disable voltage switching for SD card Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 22/79] ARM: OMAP2+: Fix missing SYSC_HAS_RESET_STATUS for dra7 epwmss Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 23/79] bus: ti-sysc: Fix using configured sysc mask value Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 24/79] s390/bpf: fix lcgr instruction encoding Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 25/79] ARM: OMAP2+: Fix omap4 errata warning on other SoCs Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 26/79] ARM: dts: dra74x: Fix iodelay configuration for mmc3 Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 27/79] ARM: OMAP1: ams-delta-fiq: Fix missing irq_ack Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 28/79] bus: ti-sysc: Simplify cleanup upon failures in sysc_probe() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 29/79] s390/bpf: use 32-bit index for tail calls Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 30/79] selftests/bpf: fix "bind{4, 6} deny specific IP & port" on s390 Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 31/79] tools: bpftool: close prog FD before exit on showing a single program Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 32/79] fpga: altera-ps-spi: Fix getting of optional confd gpio Greg Kroah-Hartman
2019-09-21 20:46   ` Pavel Machek
2019-09-23  1:33     ` Phil Reid
2019-09-19 22:03 ` [PATCH 4.19 33/79] netfilter: ebtables: Fix argument order to ADD_COUNTER Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 34/79] netfilter: nft_flow_offload: missing netlink attribute policy Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 35/79] netfilter: xt_nfacct: Fix alignment mismatch in xt_nfacct_match_info Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 36/79] NFSv4: Fix return values for nfs4_file_open() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 37/79] NFSv4: Fix return value in nfs_finish_open() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 38/79] NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 39/79] Kconfig: Fix the reference to the IDT77105 Phy driver in the description of ATM_NICSTAR_USE_IDT77105 Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 40/79] xdp: unpin xdp umem pages in error path Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 41/79] qed: Add cleanup in qed_slowpath_start() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 42/79] ARM: 8874/1: mm: only adjust sections of valid mm structures Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 43/79] batman-adv: Only read OGM2 tvlv_len after buffer len check Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 44/79] bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0 Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 45/79] r8152: Set memory to all 0xFFs on failed reg reads Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 46/79] x86/apic: Fix arch_dynirq_lower_bound() bug for DT enabled machines Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 47/79] netfilter: xt_physdev: Fix spurious error message in physdev_mt_check Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 48/79] netfilter: nf_conntrack_ftp: Fix debug output Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 49/79] NFSv2: Fix eof handling Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 50/79] NFSv2: Fix write regression Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 51/79] kallsyms: Dont let kallsyms_lookup_size_offset() fail on retrieving the first symbol Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 52/79] cifs: set domainName when a domain-key is used in multiuser Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 53/79] cifs: Use kzfree() to zero out the password Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 54/79] usb: host: xhci-tegra: Set DMA mask correctly Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 55/79] ARM: 8901/1: add a criteria for pfn_valid of arm Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 56/79] ibmvnic: Do not process reset during or after device removal Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 57/79] sky2: Disable MSI on yet another ASUS boards (P6Xxxx) Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 58/79] i2c: designware: Synchronize IRQs when unregistering slave client Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 59/79] perf/x86/intel: Restrict period on Nehalem Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 60/79] perf/x86/amd/ibs: Fix sample bias for dispatched micro-ops Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 61/79] amd-xgbe: Fix error path in xgbe_mod_init() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 62/79] tools/power x86_energy_perf_policy: Fix "uninitialized variable" warnings at -O2 Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 63/79] tools/power x86_energy_perf_policy: Fix argument parsing Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 64/79] tools/power turbostat: fix buffer overrun Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 65/79] net: aquantia: fix out of memory condition on rx side Greg Kroah-Hartman
2019-09-20 11:20   ` Pavel Machek
2019-09-19 22:03 ` [PATCH 4.19 66/79] net: seeq: Fix the function used to release some memory in an error handling path Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 67/79] dmaengine: ti: dma-crossbar: Fix a memory leak bug Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 68/79] dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 69/79] x86/uaccess: Dont leak the AC flags into __get_user() argument evaluation Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 70/79] x86/hyper-v: Fix overflow bug in fill_gva_list() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 71/79] keys: Fix missing null pointer check in request_key_auth_describe() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 72/79] iommu/amd: Flush old domains in kdump kernel Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 73/79] iommu/amd: Fix race in increase_address_space() Greg Kroah-Hartman
2019-09-19 22:03 ` [PATCH 4.19 74/79] PCI: kirin: Fix section mismatch warning Greg Kroah-Hartman
2019-09-19 22:04 ` [PATCH 4.19 75/79] ovl: fix regression caused by overlapping layers detection Greg Kroah-Hartman
2019-09-19 22:04 ` [PATCH 4.19 76/79] floppy: fix usercopy direction Greg Kroah-Hartman
2019-09-19 22:04 ` [PATCH 4.19 77/79] binfmt_elf: move brk out of mmap when doing direct loader exec Greg Kroah-Hartman
2019-09-19 22:04 ` [PATCH 4.19 78/79] arm64: kpti: Whitelist Cortex-A CPUs that dont implement the CSV3 field Greg Kroah-Hartman
2019-09-19 22:04 ` [PATCH 4.19 79/79] media: technisat-usb2: break out of loop at end of buffer Greg Kroah-Hartman
2019-09-20  3:39 ` [PATCH 4.19 00/79] 4.19.75-stable review kernelci.org bot
2019-09-20  8:51 ` Naresh Kamboju
2019-09-20 13:48 ` Jon Hunter
2019-09-20 18:37 ` Guenter Roeck
2019-09-20 21:21 ` shuah

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