Greeting, FYI, we noticed the following commit (built with gcc-11): commit: 16339bc25762eb9ce9b75035ed5beea2693db094 ("[PATCH 1/2] ext2: Add sanity checks for group and filesystem size") url: https://github.com/intel-lab-lkp/linux/commits/Jan-Kara/ext2-Handle-corrupted-sb-better/20220914-234926 base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 3245cb65fd91cd514801bf91f5a3066d562f0ac4 patch link: https://lore.kernel.org/linux-ext4/20220914154728.20280-1-jack@suse.cz in testcase: xfstests version: xfstests-x86_64-c1144bf-1_20220906 with following parameters: disk: 4HDD fs: ext2 test: generic-group-11 test-description: xfstests is a regression test suite for xfs and other files ystems. test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git on test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag | Reported-by: kernel test robot | Link: https://lore.kernel.org/r/202209211409.b5a8bd8a-oliver.sang@intel.com generic/226 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/226.out.bad) --- tests/generic/226.out 2022-09-06 02:42:28.000000000 +0000 +++ /lkp/benchmarks/xfstests/results//generic/226.out.bad 2022-09-20 17:31:28.750779050 +0000 @@ -1,6 +1,5 @@ QA output created by 226 --> mkfs 256m filesystem ---> 16 buffered 64m writes in a loop -1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ---> 16 direct 64m writes in a loop -1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +mount: /fs/scratch: wrong fs type, bad option, bad superblock on /dev/sda4, missing codepage or helper program, or other error. ... (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/226.out /lkp/benchmarks/xfstests/results//generic/226.out.bad' to see the entire diff) To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. -- 0-DAY CI Kernel Test Service https://01.org/lkp