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selftests/mm: sigbus-wp test requires UFFD_FEATURE_WP_HUGETLBFS_SHMEM

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BugLink: https://bugs.launchpad.net/bugs/2060531

commit 105840ebd76d8dbc1a7d734748ae320076f3201e upstream.

The sigbus-wp test requires the UFFD_FEATURE_WP_HUGETLBFS_SHMEM flag for
shmem and hugetlb targets.  Otherwise it is not backwards compatible with
kernels <5.19 and fails with EINVAL.

Link: https://lkml.kernel.org/r/20240321232023.2064975-1-edliaw@google.com
Fixes: 73c1ea939b ("selftests/mm: move uffd sig/events tests into uffd unit tests")
Signed-off-by: Edward Liaw <edliaw@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Peter Xu <peterx@redhat.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
This commit is contained in:
Edward Liaw
2024-03-21 23:20:21 +00:00
committed by Roxana Nicolescu
parent 3d940191cf
commit 310765010a
1 changed files with 2 additions and 1 deletions
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tools/testing/selftests/mm/uffd-unit-tests.c
+2 -1
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@@ -1427,7 +1427,8 @@ uffd_test_case_t uffd_tests[] = {
.uffd_fn = uffd_sigbus_wp_test,
.mem_targets = MEM_ALL,
.uffd_feature_required = UFFD_FEATURE_SIGBUS |
UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP,
UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP |
UFFD_FEATURE_WP_HUGETLBFS_SHMEM,
},
{
.name = "events",