Re: [PATCH] mount: fix duplicate mounts using the new mount API

kernel test robot
2025-10-29T03:06:25Z

Hello,

kernel test robot noticed "xfstests.xfs.153.fail" on:

commit: ad04c4e00fd850d57b3a07e1920e4e44e6dc393b ("[PATCH] mount: fix duplicate mounts using the new mount API")
url: https://github.com/intel-lab-lkp/linux/commits/GuangFei-Luo/mount-fix-duplicate-mounts-using-the-new-mount-API/20251025-105257
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 566771afc7a81e343da9939f0bd848d3622e2501
patch link: https://lore.kernel.org/all/20251025024934.1350492-1-luogf2025@163.com/
patch subject: [PATCH] mount: fix duplicate mounts using the new mount API

in testcase: xfstests
version: xfstests-x86_64-2cba4b54-1_20251020
with following parameters:

disk: 4HDD
fs: xfs
test: xfs-153

config: x86_64-rhel-9.4-func
compiler: gcc-14
test machine: 4 threads Intel(R) Xeon(R) CPU E3-1225 v5 @ 3.30GHz (Skylake) with 16G 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@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202510291004.24ca6327-lkp@intel.com

2025-10-28 06:08:21 cd /lkp/benchmarks/xfstests
2025-10-28 06:08:23 export TEST_DIR=/fs/sda1
2025-10-28 06:08:23 export TEST_DEV=/dev/sda1
2025-10-28 06:08:23 export FSTYP=xfs
2025-10-28 06:08:23 export SCRATCH_MNT=/fs/scratch
2025-10-28 06:08:23 mkdir /fs/scratch -p
2025-10-28 06:08:23 export SCRATCH_DEV=/dev/sda4
2025-10-28 06:08:23 export SCRATCH_LOGDEV=/dev/sda2
2025-10-28 06:08:23 export SCRATCH_XFS_LIST_METADATA_FIELDS=u3.sfdir3.hdr.parent.i4
2025-10-28 06:08:23 export SCRATCH_XFS_LIST_FUZZ_VERBS=random
2025-10-28 06:08:23 echo xfs/153
2025-10-28 06:08:23 ./check xfs/153
FSTYP -- xfs (non-debug)
PLATFORM -- Linux/x86_64 lkp-skl-d06 6.18.0-rc2-00237-gad04c4e00fd8 #1 SMP PREEMPT_DYNAMIC Tue Oct 28 13:58:10 CST 2025
MKFS_OPTIONS -- -f /dev/sda4
MOUNT_OPTIONS -- /dev/sda4 /fs/scratch

xfs/153 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//xfs/153.out.bad)
--- tests/xfs/153.out 2025-10-20 16:48:15.000000000 +0000
+++ /lkp/benchmarks/xfstests/results//xfs/153.out.bad 2025-10-28 06:08:30.851957601 +0000
@@ -11,119 +11,6 @@
[ROOT] 0 0 0 00 [--------] 3 0 0 00 [--------] 0 0 0 00 [--------]

*** report initial settings
-[ROOT] 0 0 0 00 [--------] 3 0 0 00 [--------] 0 0 0 00 [--------]
-[NAME] 0 200 1000 00 [--------] 1 4 10 00 [--------] 0 0 0 00 [--------]
-
-*** push past the soft inode limit
...
(Run 'diff -u /lkp/benchmarks/xfstests/tests/xfs/153.out /lkp/benchmarks/xfstests/results//xfs/153.out.bad' to see the entire diff)
Ran: xfs/153
Failures: xfs/153
Failed 1 of 1 tests

The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251029/202510291004.24ca6327-lkp@intel.com

--
0-DAY CI Kernel Test Service