On Fri, Mar 11, 2022 at 4:23 AM kernel test robot <oliver.sang@xxxxxxxxx> wrote:
>
>
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 37da9493451c35886a11bfe45d62adc27d9c46b3 ("fs: allow cross-vfsmount reflink/dedupe")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> in testcase: xfstests
> version: xfstests-x86_64-1de1db8-1_20220217
> with following parameters:
>
> disk: 4HDD
> fs: btrfs
> test: generic-group-18
> ucode: 0xec
>
> 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 Intel(R) Xeon(R) CPU E3-1225 v5 @ 3.30GHz with 16G memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
>
> 2022-03-10 14:43:23 export TEST_DIR=/fs/sda1
> 2022-03-10 14:43:23 export TEST_DEV=/dev/sda1
> 2022-03-10 14:43:23 export FSTYP=btrfs
> 2022-03-10 14:43:23 export SCRATCH_MNT=/fs/scratch
> 2022-03-10 14:43:23 mkdir /fs/scratch -p
> 2022-03-10 14:43:23 export SCRATCH_DEV_POOL="/dev/sda2 /dev/sda3 /dev/sda4"
> 2022-03-10 14:43:23 sed "s:^:generic/:" //lkp/benchmarks/xfstests/tests/generic-group-18
> 2022-03-10 14:43:23 ./check generic/360 generic/361 generic/362 generic/363 generic/364 generic/365 generic/366 generic/367 generic/368 generic/369 generic/370 generic/371 generic/372 generic/373 generic/374 generic/375 generic/376 generic/377 generic/378 generic/379
> FSTYP -- btrfs
> PLATFORM -- Linux/x86_64 lkp-skl-d06 5.17.0-rc7-00085-g37da9493451c #1 SMP Thu Mar 10 21:42:40 CST 2022
> MKFS_OPTIONS -- /dev/sda2
> MOUNT_OPTIONS -- /dev/sda2 /fs/scratch
>
> generic/360 1s
> generic/361 12s
> generic/362 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/363 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/364 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/365 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/366 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/367 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/368 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/369 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/370 [not run] this test requires richacl support on $SCRATCH_DEV
> generic/371 68s
> generic/372 [not run] Explicit SHARED flag reporting not support by filesystem type: btrfs
> generic/373 - output mismatch (see /lkp/benchmarks/xfstests/results//generic/373.out.bad)
> --- tests/generic/373.out 2022-02-17 11:55:00.000000000 +0000
> +++ /lkp/benchmarks/xfstests/results//generic/373.out.bad 2022-03-10 14:44:54.201679653 +0000
> @@ -3,7 +3,6 @@
> Mount otherdir
> Create file
> Reflink one file to another
> -cp: failed to clone 'OTHER_DIR/test-373/otherfiles' from 'SCRATCH_MNT/test-373/file': Invalid cross-device link
> Check output
> 2d61aa54b58c2e94403fb092c3dbc027 SCRATCH_MNT/test-373/file
> Unmount otherdir
> ...
> (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/373.out /lkp/benchmarks/xfstests/results//generic/373.out.bad' to see the entire diff)
> generic/374 - output mismatch (see /lkp/benchmarks/xfstests/results//generic/374.out.bad)
> --- tests/generic/374.out 2022-02-17 11:55:00.000000000 +0000
> +++ /lkp/benchmarks/xfstests/results//generic/374.out.bad 2022-03-10 14:44:55.890679630 +0000
> @@ -3,7 +3,8 @@
> Mount otherdir
> Create file
> Dedupe one file to another
> -XFS_IOC_FILE_EXTENT_SAME: Invalid cross-device link
> +deduped 65536/65536 bytes at offset 0
> +64 KiB, 1 ops; 0.0018 sec (33.967 MiB/sec and 543.4783 ops/sec)
> Check output
> ...
> (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/374.out /lkp/benchmarks/xfstests/results//generic/374.out.bad' to see the entire diff)
> generic/375 1s
> generic/376 2s
> generic/377 1s
> generic/378 1s
> generic/379 [not run] disk quotas not supported by this filesystem type: btrfs
> Ran: generic/360 generic/361 generic/362 generic/363 generic/364 generic/365 generic/366 generic/367 generic/368 generic/369 generic/370 generic/371 generic/372 generic/373 generic/374 generic/375 generic/376 generic/377 generic/378 generic/379
> Not run: generic/362 generic/363 generic/364 generic/365 generic/366 generic/367 generic/368 generic/369 generic/370 generic/372 generic/379
> Failures: generic/373 generic/374
> Failed 2 of 20 tests
>
>
We are also able to reproduce this on mainline kernel with gcc12, the
problem seems to have been introduced by [1].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5191290407668028179f2544a11ae9b57f0bcf07
Bruno
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> sudo bin/lkp install job.yaml # job file is attached in this email
> bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
> sudo bin/lkp run generated-yaml-file
>
> # if come across any failure that blocks the test,
> # please remove ~/.lkp and /lkp dir to run from a clean state.
>
>
>
> ---
> 0-DAY CI Kernel Test Service
> https://lists.01.org/hyperkitty/list/lkp@xxxxxxxxxxxx
>
> Thanks,
> Oliver Sang
>
