On Wed, Oct 05, 2022 at 09:45:12PM +0800, kernel test robot wrote:
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-11):
>
> commit: a1df10d42ba99c946f6a574d4d31951bc0a57e33 ("xfs: fix exception caused by unexpected illegal bestcount in leaf dir")
> url: https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220929-162751/Guo-Xuenan/xfs-fix-uaf-when-leaf-dir-bestcount-not-match-with-dir-data-blocks/20220831-195920
>
> in testcase: xfstests
> version: xfstests-x86_64-5a5e419-1_20220927
> with following parameters:
>
> disk: 4HDD
> fs: xfs
> test: generic-group-15
>
> test-description: xfstests is a regression test suite for xfs and other files ystems.
> test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
>
>
> on test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
THe attached dmesg ends at:
[...]
[ 102.727610][ T315] generic/309 IPMI BMC is not supported on this machine, skip bmc-watchdog setup!
[ 102.727630][ T315]
[ 103.884498][ T7407] XFS (sda1): EXPERIMENTAL online scrub feature in use. Use at your own risk!
[ 103.993962][ T7431] XFS (sda1): Unmounting Filesystem
[ 104.193659][ T7580] XFS (sda1): Mounting V5 Filesystem
[ 104.221178][ T7580] XFS (sda1): Ending clean mount
[ 104.223821][ T7580] xfs filesystem being mounted at /fs/sda1 supports timestamps until 2038 (0x7fffffff)
[ 104.285615][ T315] 2s
[ 104.285629][ T315]
[ 104.339232][ T1469] run fstests generic/310 at 2022-10-01 13:36:36
(END)
The start of the failed test. Do you have the logs from generic/310
so we might have some idea what corruption/shutdown event occurred
during that test run?
-Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
