Hello, kernel test robot noticed "xfstests.generic.647.fail" on: commit: a395726cf823fe8f62f1b8c3829010e5652ce98c ("cifs: fix data corruption in read after invalidate") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master e0cce98fe279b64f4a7d81b7f5c3a23d80b92fbc] [test failed on linux-next/master 6dc544b66971c7f9909ff038b62149105272d26a] in testcase: xfstests version: xfstests-x86_64-98379713-1_20240527 with following parameters: disk: 4HDD fs: ext4 fs2: smbv2 test: generic-647 compiler: gcc-13 test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) with 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202405311515.b6f72867-oliver.sang@xxxxxxxxx 2024-05-30 11:21:01 mount /dev/sda1 /fs/sda1 2024-05-30 11:21:03 mkdir -p /smbv2//cifs/sda1 2024-05-30 11:21:03 export FSTYP=cifs 2024-05-30 11:21:03 export TEST_DEV=//localhost/fs/sda1 2024-05-30 11:21:03 export TEST_DIR=/smbv2//cifs/sda1 2024-05-30 11:21:03 export CIFS_MOUNT_OPTIONS=-ousername=root,password=pass,noperm,vers=2.0,mfsymlinks,actimeo=0 2024-05-30 11:21:03 echo generic/647 2024-05-30 11:21:03 ./check -E tests/cifs/exclude.incompatible-smb2.txt -E tests/cifs/exclude.very-slow.txt generic/647 FSTYP -- cifs PLATFORM -- Linux/x86_64 lkp-skl-d05 6.9.0-07376-ga395726cf823 #1 SMP PREEMPT_DYNAMIC Thu May 30 15:02:21 CST 2024 generic/647 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/647.out.bad) --- tests/generic/647.out 2024-05-27 19:30:46.000000000 +0000 +++ /lkp/benchmarks/xfstests/results//generic/647.out.bad 2024-05-30 11:23:38.490521034 +0000 @@ -1,2 +1,3 @@ QA output created by 647 Silence is golden +mmap-rw-fault: pwrite is broken ... (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/647.out /lkp/benchmarks/xfstests/results//generic/647.out.bad' to see the entire diff) Ran: generic/647 Failures: generic/647 Failed 1 of 1 tests The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240531/202405311515.b6f72867-oliver.sang@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki