[linus:master] [fs/namespace] 78f0e33cd6: ltp.listmount04.fail

From: kernel test robot

Date: Tue Nov 25 2025 - 03:33:58 EST



Hello,

kernel test robot noticed "ltp.listmount04.fail" on:

commit: 78f0e33cd6c939a555aa80dbed2fec6b333a7660 ("fs/namespace: correctly handle errors returned by grab_requested_mnt_ns")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master fd95357fd8c6778ac7dea6c57a19b8b182b6e91f]
[test failed on linux-next/master d724c6f85e80a23ed46b7ebc6e38b527c09d64f5]

in testcase: ltp
version:
with following parameters:

disk: 1SSD
fs: btrfs
test: syscalls-06/listmount04



config: x86_64-rhel-9.4-ltp
compiler: gcc-14
test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G 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/202511251629.ccc5680d-lkp@xxxxxxxxx

2025-11-20 21:35:09 export LTP_RUNTIME_MUL=2
2025-11-20 21:35:09 export LTPROOT=/lkp/benchmarks/ltp
2025-11-20 21:35:09 kirk -U ltp -f temp_single_test -d /fs/sdb1/tmpdir
Host information

Hostname: lkp-ivb-d04
Python: 3.13.5 (main, Jun 25 2025, 18:55:22) [GCC 14.2.0]
Directory: /fs/sdb1/tmpdir/kirk.root/tmp9k8rfwr2

Connecting to SUT: default

Starting suite: temp_single_test
---------------------------------
listmount04: fail (0.016s)

Execution time: 0.085s

Suite: temp_single_test
Total runs: 1
Runtime: 0.016s
Passed: 7
Failed: 1
Skipped: 0
Broken: 0
Warnings: 0
Kernel: Linux 6.18.0-rc1-00119-g78f0e33cd6c9 #1 SMP PREEMPT_DYNAMIC Fri Nov 21 04:59:36 CST 2025
Machine: unknown
Arch: x86_64
RAM: 6900660 kB
Swap: 0 kB
Distro: debian 13

Disconnecting from SUT: default
Session stopped



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251125/202511251629.ccc5680d-lkp@xxxxxxxxx



--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki