Re: [PATCH 5.15.y 4/4] selftests/memfd: add test for mapping write-sealed memfd read-only

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: ea0916e01d0b0f2cce1369ac1494239a79827270

WARNING: Author mismatch between patch and upstream commit:
Backport author: Isaac J. Manjarres <isaacmanjarres@google.com>
Commit author: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>

Status in newer kernel trees:
6.15.y | Present (exact SHA1)
6.12.y | Not found
6.6.y | Not found
6.1.y | Not found

Note: The patch differs from the upstream commit:
---
1:  ea0916e01d0b ! 1:  8d24baf25bd2 selftests/memfd: add test for mapping write-sealed memfd read-only
    @@ Metadata
      ## Commit message ##
         selftests/memfd: add test for mapping write-sealed memfd read-only
     
    +    [ Upstream commit ea0916e01d0b0f2cce1369ac1494239a79827270 ]
    +
         Now we have reinstated the ability to map F_SEAL_WRITE mappings read-only,
         assert that we are able to do this in a test to ensure that we do not
         regress this again.
    @@ Commit message
         Cc: Shuah Khan <shuah@kernel.org>
         Cc: Vlastimil Babka <vbabka@suse.cz>
         Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    +    Cc: stable@vger.kernel.org
    +    Signed-off-by: Isaac J. Manjarres <isaacmanjarres@google.com>
     
      ## tools/testing/selftests/memfd/memfd_test.c ##
     @@ tools/testing/selftests/memfd/memfd_test.c: static void *mfd_assert_mmap_shared(int fd)

---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| 5.15                      | Success     | Success    |