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SubjectRe: [selftests] d3fd949abd: kernel-selftests.memfd.fuse_mnt.fail
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On 4/4/20 7:26 AM, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: d3fd949abd3e3005dab7ccb185c3c8bc0ad639f1 ("selftests: Fix memfd to support relocatable build (O=objdir)")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> in testcase: kernel-selftests
> with following parameters:
>
> group: kselftests-02
> ucode: 0xd6
>
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G 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 <rong.a.chen@intel.com>
>
>
> # selftests: memfd: memfd_test
> # memfd: CREATE
> # memfd: BASIC
> # memfd: SEAL-WRITE
> # memfd: SEAL-FUTURE-WRITE
> # memfd: CREATE
> # memfd: BASIC
> # memfd: SEAL-WRITE
> # memfd: SEAL-FUTURE-WRITE
> # memfd: SEAL-SHRINK
> # memfd: SEAL-GROW
> # memfd: SEAL-RESIZE
> # memfd: SHARE-DUP
> # memfd: SHARE-MMAP
> # memfd: SHARE-OPEN
> # memfd: SHARE-FORK
> # memfd: SHARE-DUP (shared file-table)
> # memfd: SHARE-MMAP (shared file-table)
> # memfd: SHARE-OPEN (shared file-table)
> # memfd: SHARE-FORK (shared file-table)
> # memfd: DONE
> ok 1 selftests: memfd: memfd_test


> # selftests: memfd: fuse_test
> # Aborted
> not ok 2 selftests: memfd: fuse_test # exit=134
> # selftests: memfd: fuse_mnt
> # fuse: missing mountpoint parameter
> not ok 3 selftests: memfd: fuse_mnt # exit=1

Thanks for the reporting the problem. I will get a fix in soon.
It isn't indication of a problem. This commit caused regression
resulting in running tests without creating mnt point first.

The above failure are a result of that.

> # selftests: memfd: run_fuse_test.sh
> # opening: ./mnt/memfd
> # fuse: DONE
> ok 4 selftests: memfd: run_fuse_test.sh
>

thanks,
-- Shuah

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