Re: [linux-next:master] [fs/mnt_idmapping.c] b4291c7fd9: xfstests.generic.645.fail

["Darrick J. Wong" <djwong@kernel.org>]

On Tue, Feb 20, 2024 at 09:57:30AM +0100, Christian Brauner wrote:
> On Mon, Feb 19, 2024 at 02:55:42PM +0800, kernel test robot wrote:
> > 
> > 
> > Hello,
> > 
> > kernel test robot noticed "xfstests.generic.645.fail" on:
> > 
> > commit: b4291c7fd9e550b91b10c3d7787b9bf5be38de67 ("fs/mnt_idmapping.c: Return -EINVAL when no map is written")
> > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> 
> The test needs to be updated. We now explicitly fail when no map is
> written.

Has there been any progress on updating generic/645?  6.9-rc1 is out,
and Dave and I have both noticed this regressing.

--D

> > 
> > [test failed on linux-next/master d37e1e4c52bc60578969f391fb81f947c3e83118]
> > 
> > in testcase: xfstests
> > version: xfstests-x86_64-c46ca4d1-1_20240205
> > with following parameters:
> > 
> > 	disk: 4HDD
> > 	fs: f2fs
> > 	test: generic-645
> > 
> > 
> > 
> > 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@intel.com>
> > | Closes: https://lore.kernel.org/oe-lkp/202402191416.17ec9160-oliver.sang@intel.com
> > 
> > 2024-02-17 15:04:19 export TEST_DIR=/fs/sda1
> > 2024-02-17 15:04:19 export TEST_DEV=/dev/sda1
> > 2024-02-17 15:04:19 export FSTYP=f2fs
> > 2024-02-17 15:04:19 export SCRATCH_MNT=/fs/scratch
> > 2024-02-17 15:04:19 mkdir /fs/scratch -p
> > 2024-02-17 15:04:19 export SCRATCH_DEV=/dev/sda4
> > 2024-02-17 15:04:19 export MKFS_OPTIONS=-f
> > 2024-02-17 15:04:19 echo generic/645
> > 2024-02-17 15:04:19 ./check generic/645
> > FSTYP         -- f2fs
> > PLATFORM      -- Linux/x86_64 lkp-skl-d03 6.8.0-rc1-00033-gb4291c7fd9e5 #1 SMP PREEMPT_DYNAMIC Sat Feb 17 22:11:35 CST 2024
> > MKFS_OPTIONS  -- -f /dev/sda4
> > MOUNT_OPTIONS -- -o acl,user_xattr /dev/sda4 /fs/scratch
> > 
> > generic/645       [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/645.out.bad)
> >     --- tests/generic/645.out	2024-02-05 17:37:40.000000000 +0000
> >     +++ /lkp/benchmarks/xfstests/results//generic/645.out.bad	2024-02-17 15:07:42.613312168 +0000
> >     @@ -1,2 +1,4 @@
> >      QA output created by 645
> >      Silence is golden
> >     +idmapped-mounts.c: 6671: nested_userns - Invalid argument - failure: sys_mount_setattr
> >     +vfstest.c: 2418: run_test - Invalid argument - failure: test that nested user namespaces behave correctly when attached to idmapped mounts
> >     ...
> >     (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/645.out /lkp/benchmarks/xfstests/results//generic/645.out.bad'  to see the entire diff)
> > Ran: generic/645
> > Failures: generic/645
> > Failed 1 of 1 tests
> > 
> > 
> > 
> > 
> > The kernel config and materials to reproduce are available at:
> > https://download.01.org/0day-ci/archive/20240219/202402191416.17ec9160-oliver.sang@intel.com
> > 
> > 
> > 
> > -- 
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> > 
>