linux-kernel - Re: [PATCH V2] ext4: Add a sanity check for next dentry when insert

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Message-ID: <202411041103.a030928c-oliver.sang@intel.com>
Date: Mon, 4 Nov 2024 14:43:30 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Edward Adam Davis <eadavis@...com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-ext4@...r.kernel.org>,
	<adilger.kernel@...ger.ca>, <eadavis@...com>, <linux-kernel@...r.kernel.org>,
	<oe-kbuild-all@...ts.linux.dev>,
	<syzbot+0c99c3f90699936c1e77@...kaller.appspotmail.com>,
	<syzkaller-bugs@...glegroups.com>, <tytso@....edu>, <oliver.sang@...el.com>
Subject: Re: [PATCH V2] ext4: Add a sanity check for next dentry when insert



Hello,

kernel test robot noticed "xfstests.generic.080.fail" on:

commit: d29093707e013ca381d404c4444413df49c719c1 ("[PATCH V2] ext4: Add a sanity check for next dentry when insert")
url: https://github.com/intel-lab-lkp/linux/commits/Edward-Adam-Davis/ext4-Add-a-sanity-check-for-next-dentry-when-insert/20241028-220910
base: https://git.kernel.org/cgit/linux/kernel/git/tytso/ext4.git dev
patch link: https://lore.kernel.org/all/tencent_2EB5A7DB06DD92D88651C9B3EED8AEF38C06@qq.com/
patch subject: [PATCH V2] ext4: Add a sanity check for next dentry when insert

in testcase: xfstests
version: xfstests-x86_64-891f4995-1_20241028
with following parameters:

	disk: 4HDD
	fs: ext4
	fs2: smbv2
	test: generic-080



config: x86_64-rhel-8.3-func
compiler: gcc-12
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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202411041103.a030928c-oliver.sang@intel.com

2024-10-31 17:45:57 mount /dev/sda1 /fs/sda1
2024-10-31 17:45:58 mkdir -p /smbv2//cifs/sda1
2024-10-31 17:45:58 export FSTYP=cifs
2024-10-31 17:45:58 export TEST_DEV=//localhost/fs/sda1
2024-10-31 17:45:58 export TEST_DIR=/smbv2//cifs/sda1
2024-10-31 17:45:58 export CIFS_MOUNT_OPTIONS=-ousername=root,password=pass,noperm,vers=2.0,mfsymlinks,actimeo=0
2024-10-31 17:45:58 echo generic/080
2024-10-31 17:45:58 ./check -E tests/cifs/exclude.incompatible-smb2.txt -E tests/cifs/exclude.very-slow.txt generic/080
FSTYP         -- cifs
PLATFORM      -- Linux/x86_64 lkp-skl-d05 6.12.0-rc1-00004-gd29093707e01 #1 SMP PREEMPT_DYNAMIC Wed Oct 30 22:27:17 CST 2024

generic/080       - output mismatch (see /lkp/benchmarks/xfstests/results//generic/080.out.bad)
    --- tests/generic/080.out	2024-10-28 16:28:46.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//generic/080.out.bad	2024-10-31 17:46:01.599410948 +0000
    @@ -1,2 +1,3 @@
     QA output created by 080
     Silence is golden.
    +rm: cannot remove '/smbv2/cifs/sda1/mmap_mtime_testfile': Permission denied
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/080.out /lkp/benchmarks/xfstests/results//generic/080.out.bad'  to see the entire diff)
Ran: generic/080
Failures: generic/080
Failed 1 of 1 tests




The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241104/202411041103.a030928c-oliver.sang@intel.com



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