linux_dsm_epyc7002/drivers
Stanislaw Gruszka 21f8aaee0c ath9k: protect tid->sched check
We check tid->sched without a lock taken on ath_tx_aggr_sleep(). That
is race condition which can result of doing list_del(&tid->list) twice
(second time with poisoned list node) and cause crash like shown below:

[424271.637220] BUG: unable to handle kernel paging request at 00100104
[424271.637328] IP: [<f90fc072>] ath_tx_aggr_sleep+0x62/0xe0 [ath9k]
...
[424271.639953] Call Trace:
[424271.639998]  [<f90f6900>] ? ath9k_get_survey+0x110/0x110 [ath9k]
[424271.640083]  [<f90f6942>] ath9k_sta_notify+0x42/0x50 [ath9k]
[424271.640177]  [<f809cfef>] sta_ps_start+0x8f/0x1c0 [mac80211]
[424271.640258]  [<c10f730e>] ? free_compound_page+0x2e/0x40
[424271.640346]  [<f809e915>] ieee80211_rx_handlers+0x9d5/0x2340 [mac80211]
[424271.640437]  [<c112f048>] ? kmem_cache_free+0x1d8/0x1f0
[424271.640510]  [<c1345a84>] ? kfree_skbmem+0x34/0x90
[424271.640578]  [<c10fc23c>] ? put_page+0x2c/0x40
[424271.640640]  [<c1345a84>] ? kfree_skbmem+0x34/0x90
[424271.640706]  [<c1345a84>] ? kfree_skbmem+0x34/0x90
[424271.640787]  [<f809dde3>] ? ieee80211_rx_handlers_result+0x73/0x1d0 [mac80211]
[424271.640897]  [<f80a07a0>] ieee80211_prepare_and_rx_handle+0x520/0xad0 [mac80211]
[424271.641009]  [<f809e22d>] ? ieee80211_rx_handlers+0x2ed/0x2340 [mac80211]
[424271.641104]  [<c13846ce>] ? ip_output+0x7e/0xd0
[424271.641182]  [<f80a1057>] ieee80211_rx+0x307/0x7c0 [mac80211]
[424271.641266]  [<f90fa6ee>] ath_rx_tasklet+0x88e/0xf70 [ath9k]
[424271.641358]  [<f80a0f2c>] ? ieee80211_rx+0x1dc/0x7c0 [mac80211]
[424271.641445]  [<f90f82db>] ath9k_tasklet+0xcb/0x130 [ath9k]

Bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=70551

Reported-and-tested-by: Max Sydorenko <maxim.stargazer@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-20 15:53:20 -05:00
..
accessibility
acpi ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
amba
ata ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
atm
auxdisplay
base regmap: Updates for v3.14 2014-01-25 13:18:00 -08:00
bcma
block Merge branch 'for-3.14/drivers' of git://git.kernel.dk/linux-block 2014-01-30 11:40:10 -08:00
bluetooth
bus
cdrom Merge branch 'for-3.14/drivers' of git://git.kernel.dk/linux-block 2014-01-30 11:40:10 -08:00
char ipmi: Add missing rv in ipmi_parisc_probe() 2014-01-30 10:02:54 -08:00
clk The second half of the clock framework pull requeust for 3.14 is 2014-01-28 18:44:53 -08:00
clocksource ARM: SoC DT updates for 3.14 2014-01-23 18:45:38 -08:00
connector
cpufreq Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-01-24 17:13:49 -08:00
cpuidle
crypto ARM: driver updates for 3.14 2014-01-23 18:49:36 -08:00
dca
devfreq ARM: SoC cleanups for 3.14 2014-01-23 18:36:55 -08:00
dio
dma Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-01-29 20:27:23 -08:00
edac Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:10:27 -08:00
eisa
extcon
firewire firewire: Enable remote DMA above 4 GB 2014-01-20 01:11:13 +01:00
firmware firmware/google: drop 'select EFI' to avoid recursive dependency 2014-01-27 21:02:40 -08:00
fmc
gpio ARM: driver updates for 3.14 2014-01-23 18:49:36 -08:00
gpu Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-01-29 20:49:12 -08:00
hid ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
hsi
hv hyperv: Add support for physically discontinuous receive buffer 2014-01-27 16:40:45 -08:00
hwmon Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2014-01-29 18:56:27 -08:00
hwspinlock
i2c Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2014-01-29 19:56:20 -08:00
ide drivers: ide: Include appropriate header file in ide-pio-blacklist.c 2014-01-28 23:35:09 -08:00
idle ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
iio Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-01-22 21:21:55 -08:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-01-24 17:17:30 -08:00
iommu IOMMU Updates for Linux v3.14 2014-01-29 20:00:13 -08:00
ipack
irqchip Xtensa patchset for 3.14-rc1 2014-01-25 10:49:30 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2014-01-28 18:53:01 -08:00
lguest
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
mailbox drivers/mailbox/omap: make mbox->irq signed for error handling 2014-01-23 16:36:53 -08:00
md Merge branch 'for-3.14/drivers' of git://git.kernel.dk/linux-block 2014-01-30 11:40:10 -08:00
media Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
memory
memstick drivers/memstick/host/rtsx_pci_ms.c: fix ms card data transfer bug 2014-01-23 16:37:04 -08:00
message Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
mfd regulator: Updates for v3.14 2014-01-25 13:19:10 -08:00
misc Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2014-01-29 18:56:27 -08:00
mmc MMC highlights for 3.14: 2014-01-26 11:00:41 -08:00
mtd MTD updates for 3.14: 2014-01-28 18:56:37 -08:00
net ath9k: protect tid->sched check 2014-02-20 15:53:20 -05:00
nfc
ntb
nubus
of Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
oprofile
parisc
parport TTY/Serial driver patches for 3.14-rc1 2014-01-20 16:05:23 -08:00
pci ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
pcmcia PCI changes for the v3.14 merge window: 2014-01-22 16:39:28 -08:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
pinctrl ARM: SoC DT updates for 3.14 2014-01-23 18:45:38 -08:00
platform platform/chrome: Cleanups and improvements 2014-01-29 20:06:01 -08:00
pnp
power Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
powercap
pps
ps3
ptp
pwm pwm: Changes for v3.14-rc1 2014-01-27 08:15:51 -08:00
rapidio
regulator regulator: Updates for v3.14 2014-01-25 13:19:10 -08:00
remoteproc
reset
rpmsg
rtc Merge branch 'akpm' (incoming from Andrew) 2014-01-23 19:11:50 -08:00
s390 Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
sbus sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
scsi Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
sfi
sh
sn
spi spi: Updates for v3.14 2014-01-25 13:20:36 -08:00
ssb
staging Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
target
tc
thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-01-24 17:13:49 -08:00
tty Serial fixes for 3.14-rc1 2014-01-28 18:50:24 -08:00
uio
usb ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
uwb
vfio Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
vhost
video Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-01-29 20:49:12 -08:00
virt
virtio A few simple fixes. Quiet cycle. 2014-01-22 22:24:35 -08:00
vlynq drivers/vlynq/vlynq.c: fix another resource size off by 1 error 2014-01-23 16:36:55 -08:00
vme
w1 drivers/w1/masters/w1-gpio.c: add strong pullup emulation 2014-01-23 16:37:04 -08:00
watchdog watchdog: w83627hf_wdt: Reset watchdog trigger during initialization 2014-01-28 21:35:40 +01:00
xen ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
zorro
Kconfig
Makefile