linux-kernel - Re: Forwarded: [PATCH] ext4: reject inline data flag when i_extra

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Message-ID: <202510142118.8033d04d-lkp@intel.com>
Date: Tue, 14 Oct 2025 21:41:08 +0800
From: kerne test robot <oliver.sang@...el.com>
To: syzbot <syzbot+3ee481e21fd75e14c397@...kaller.appspotmail.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Deepanshu Kartikey
	<kartikey406@...il.com>, <linux-ext4@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <syzkaller-bugs@...glegroups.com>,
	<oliver.sang@...el.com>
Subject: Re: Forwarded: [PATCH] ext4: reject inline data flag when
 i_extra_isize is zero



Hello,

kernel test robot noticed "xfstests.generic.482.fail" on:

commit: a0c31dc212c0f22e40ee114504562030264e1246 ("Forwarded: [PATCH] ext4: reject inline data flag when i_extra_isize is zero")
url: https://github.com/intel-lab-lkp/linux/commits/syzbot/Forwarded-PATCH-ext4-reject-inline-data-flag-when-i_extra_isize-is-zero/20251003-171522
base: https://git.kernel.org/cgit/linux/kernel/git/tytso/ext4.git dev
patch link: https://lore.kernel.org/all/68df92d7.050a0220.2c17c1.0020.GAE@google.com/
patch subject: Forwarded: [PATCH] ext4: reject inline data flag when i_extra_isize is zero

in testcase: xfstests
version: xfstests-x86_64-5a9cd3ef-1_20250910
with following parameters:

	disk: 4HDD
	fs: ext4
	test: generic-482



config: x86_64-rhel-9.4-func
compiler: gcc-14
test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202510142118.8033d04d-lkp@intel.com

2025-10-09 22:02:09 cd /lkp/benchmarks/xfstests
2025-10-09 22:02:10 export TEST_DIR=/fs/sda1
2025-10-09 22:02:10 export TEST_DEV=/dev/sda1
2025-10-09 22:02:10 export FSTYP=ext4
2025-10-09 22:02:10 export SCRATCH_MNT=/fs/scratch
2025-10-09 22:02:10 mkdir /fs/scratch -p
2025-10-09 22:02:10 export SCRATCH_DEV=/dev/sda4
2025-10-09 22:02:10 export LOGWRITES_DEV=/dev/sda2
2025-10-09 22:02:10 echo generic/482
2025-10-09 22:02:10 ./check -E tests/exclude/ext4 generic/482
FSTYP         -- ext4
PLATFORM      -- Linux/x86_64 lkp-skl-d07 6.17.0-rc4-00019-ga0c31dc212c0 #1 SMP PREEMPT_DYNAMIC Fri Oct 10 05:40:27 CST 2025
MKFS_OPTIONS  -- -F /dev/sda4
MOUNT_OPTIONS -- -o acl,user_xattr /dev/sda4 /fs/scratch

generic/482       [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/482.out.bad)
    --- tests/generic/482.out	2025-09-10 01:40:16.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//generic/482.out.bad	2025-10-09 22:03:12.185850079 +0000
    @@ -1,2 +1,3 @@
     QA output created by 482
    -Silence is golden
    +_check_generic_filesystem: filesystem on /dev/mapper/thin-vol.482 is inconsistent
    +(see /lkp/benchmarks/xfstests/results//generic/482.full for details)
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/482.out /lkp/benchmarks/xfstests/results//generic/482.out.bad'  to see the entire diff)
Ran: generic/482
Failures: generic/482
Failed 1 of 1 tests




The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251014/202510142118.8033d04d-lkp@intel.com



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