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-rw-r--r--tools/testing/selftests/landlock/fs_test.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
index 9a6036fbf289..46b9effd53e4 100644
--- a/tools/testing/selftests/landlock/fs_test.c
+++ b/tools/testing/selftests/landlock/fs_test.c
@@ -293,7 +293,15 @@ static void prepare_layout(struct __test_metadata *const _metadata)
static void cleanup_layout(struct __test_metadata *const _metadata)
{
set_cap(_metadata, CAP_SYS_ADMIN);
- EXPECT_EQ(0, umount(TMP_DIR));
+ if (umount(TMP_DIR)) {
+ /*
+ * According to the test environment, the mount point of the
+ * current directory may be shared or not, which changes the
+ * visibility of the nested TMP_DIR mount point for the test's
+ * parent process doing this cleanup.
+ */
+ ASSERT_EQ(EINVAL, errno);
+ }
clear_cap(_metadata, CAP_SYS_ADMIN);
EXPECT_EQ(0, remove_path(TMP_DIR));
}