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 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 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@lists.01.org Thanks, Oliver Sang