Re: [linux-next:master] [iomap] f8eaf79406: xfstests.generic.439.fail

[Joanne Koong <joannelkoong@gmail.com>]

On Wed, Nov 19, 2025 at 10:01 PM kernel test robot
<oliver.sang@intel.com> wrote:
>
> Hello,
>
> kernel test robot noticed "xfstests.generic.439.fail" on:
>
> commit: f8eaf79406fe9415db0e7a5c175b50cb01265199 ("iomap: simplify ->read_folio_range() error handling for reads")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> [test failed on linux-next/master fe4d0dea039f2befb93f27569593ec209843b0f5]
>
> in testcase: xfstests
> version: xfstests-x86_64-5b75444b-1_20251117
> with following parameters:
>
>         disk: 4HDD
>         fs: xfs
>         test: generic-439
>
>
>
> 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@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202511201341.e536bf55-lkp@intel.com
>
> 2025-11-19 08:42:31 cd /lkp/benchmarks/xfstests
> 2025-11-19 08:42:32 export TEST_DIR=/fs/sda1
> 2025-11-19 08:42:32 export TEST_DEV=/dev/sda1
> 2025-11-19 08:42:32 export FSTYP=xfs
> 2025-11-19 08:42:32 export SCRATCH_MNT=/fs/scratch
> 2025-11-19 08:42:32 mkdir /fs/scratch -p
> 2025-11-19 08:42:32 export SCRATCH_DEV=/dev/sda4
> 2025-11-19 08:42:32 export SCRATCH_LOGDEV=/dev/sda2
> meta-data=/dev/sda1              isize=512    agcount=4, agsize=13107200 blks
>          =                       sectsz=4096  attr=2, projid32bit=1
>          =                       crc=1        finobt=1, sparse=1, rmapbt=1
>          =                       reflink=1    bigtime=1 inobtcount=1 nrext64=1
>          =                       exchange=0   metadir=0
> data     =                       bsize=4096   blocks=52428800, imaxpct=25
>          =                       sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096   ascii-ci=0, ftype=1, parent=0
> log      =internal log           bsize=4096   blocks=25600, version=2
>          =                       sectsz=4096  sunit=1 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
>          =                       rgcount=0    rgsize=0 extents
> 2025-11-19 08:42:33 export MKFS_OPTIONS=-mreflink=1
> 2025-11-19 08:42:33 echo generic/439
> 2025-11-19 08:42:33 ./check generic/439
> FSTYP         -- xfs (non-debug)
> PLATFORM      -- Linux/x86_64 lkp-skl-d07 6.18.0-rc1-00033-gf8eaf79406fe #1 SMP PREEMPT_DYNAMIC Wed Nov 19 16:30:42 CST 2025
> MKFS_OPTIONS  -- -f -mreflink=1 /dev/sda4
> MOUNT_OPTIONS -- /dev/sda4 /fs/scratch
>
> generic/439        _check_dmesg: something found in dmesg (see /lkp/benchmarks/xfstests/results//generic/439.dmesg)
>
> Ran: generic/439
> Failures: generic/439
> Failed 1 of 1 tests
>
>

I ran generic/439 locally and can confirm this crash is fixed by the
patch in https://lore.kernel.org/linux-fsdevel/20251118211111.1027272-2-joannelkoong@gmail.com/.

Thanks,
Joanne
>
>
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20251120/202511201341.e536bf55-lkp@intel.com
>
>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>