diff options
| author | Jeff Xu <[email protected]> | 2023-07-05 06:33:15 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-08-18 10:12:11 -0700 |
| commit | badbbcd76545c58eff64bb1548f7f834a30dc52a (patch) | |
| tree | e451abc427a521a17fb9987eae8e077607b0d9ca /tools/testing/selftests/memfd | |
| parent | 72de259130229412ca49871e70ffaf17dc9fba98 (diff) | |
selftests/memfd: sysctl: fix MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED
Add selftest for sysctl vm.memfd_noexec is 2
(MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED)
memfd_create(.., MFD_EXEC) should fail in this case.
Link: https://lkml.kernel.org/r/[email protected]
Reported-by: Dominique Martinet <[email protected]>
Closes: https://lore.kernel.org/linux-mm/CABi2SkXUX_QqTQ10Yx9bBUGpN1wByOi_=gZU6WEy5a8MaQY3Jw@mail.gmail.com/T/
Signed-off-by: Jeff Xu <[email protected]>
Cc: Daniel Verkamp <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: Jorge Lucangeli Obes <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: kernel test robot <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/testing/selftests/memfd')
| -rw-r--r-- | tools/testing/selftests/memfd/memfd_test.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c index dba0e8ba002f..dbdd9ec5e397 100644 --- a/tools/testing/selftests/memfd/memfd_test.c +++ b/tools/testing/selftests/memfd/memfd_test.c @@ -1147,6 +1147,11 @@ static void test_sysctl_child(void) sysctl_assert_write("2"); mfd_fail_new("kern_memfd_sysctl_2", MFD_CLOEXEC | MFD_ALLOW_SEALING); + mfd_fail_new("kern_memfd_sysctl_2_MFD_EXEC", + MFD_CLOEXEC | MFD_EXEC); + fd = mfd_assert_new("", 0, MFD_NOEXEC_SEAL); + close(fd); + sysctl_fail_write("0"); sysctl_fail_write("1"); } |