Hello, kernel test robot noticed "mount cifs failed" on: commit: 8f97b4a68ea216bad142a5391e30fa63c8efce30 ("smb3 client: minor cleanup of username parsing on mount") git://git.samba.org/sfrench/cifs-2.6.git for-next-next in testcase: filebench version: filebench-x86_64-22620e6-1_20241103 with following parameters: disk: 1HDD fs: ext4 fs2: cifs test: fivestreamwritedirect.f cpufreq_governor: performance config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G 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/202412301620.c166bae2-lkp@xxxxxxxxx The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241230/202412301620.c166bae2-lkp@xxxxxxxxx [ 76.224066][ T1501] 2024-12-29 09:40:51 mkdir -p /cifs/sdc1 [ 76.224069][ T1501] [ 76.232341][ T2587] Key type dns_resolver registered [ 76.235173][ T1501] 2024-12-29 09:40:51 timeout 5m mount -t cifs -o user=root,password=pass //localhost/fs/sdc1 /cifs/sdc1 [ 76.237738][ T1501] [ 76.582135][ T2587] Key type cifs.spnego registered [ 76.587345][ T2587] Key type cifs.idmap registered [ 76.594324][ T2585] CIFS: No dialect specified on mount. Default has changed to a more secure dialect, SMB2.1 or later (e.g. SMB3.1.1), from CIFS (SMB1). To use the less secure SMB1 dialect to access old servers which do not support SMB3.1.1 (or even SMB3 or SMB2.1) specify vers=1.0 on mount. [ 76.621797][ T2585] CIFS: Attempting to mount //localhost/fs/sdc1 [ 76.640924][ T2585] CIFS: Status code returned 0xc000006d STATUS_LOGON_FAILURE [ 76.650555][ T1501] mount cifs failed [ 77.701465][ T1501] [ 80.113215][ T1503] mount error(13): Permission denied [ 80.113219][ T1503] [ 80.340094][ T1501] 2024-12-29 09:40:55 executing post-run script: /tmp/lkp/result/post-run.fs [ 80.340097][ T1501] [ 80.352169][ T2650] EXT4-fs (sdc1): unmounting filesystem c7b7fa61-d323-4246-9fd8-7d69a4f68780. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki