The patch below was submitted to be applied to the 5.18-stable tree. I fail to see how this patch meets the stable kernel rules as found at Documentation/process/stable-kernel-rules.rst. I could be totally wrong, and if so, please respond to <stable@xxxxxxxxxxxxxxx> and let me know why this patch should be applied. Otherwise, it is now dropped from my patch queues, never to be seen again. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From d1788ad990874734341b05ab8ccb6448c09c6422 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= <mic@xxxxxxxxxxx> Date: Fri, 6 May 2022 18:08:17 +0200 Subject: [PATCH] selftests/landlock: Add tests for O_PATH MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The O_PATH flag is currently not handled by Landlock. Let's make sure this behavior will remain consistent with the same ruleset over time. Cc: Shuah Khan <shuah@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220506160820.524344-8-mic@xxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxx> diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c index 9165f6adf7b9..a8f54c4462eb 100644 --- a/tools/testing/selftests/landlock/fs_test.c +++ b/tools/testing/selftests/landlock/fs_test.c @@ -654,17 +654,23 @@ TEST_F_FORK(layout1, effective_access) enforce_ruleset(_metadata, ruleset_fd); ASSERT_EQ(0, close(ruleset_fd)); - /* Tests on a directory. */ + /* Tests on a directory (with or without O_PATH). */ ASSERT_EQ(EACCES, test_open("/", O_RDONLY)); + ASSERT_EQ(0, test_open("/", O_RDONLY | O_PATH)); ASSERT_EQ(EACCES, test_open(dir_s1d1, O_RDONLY)); + ASSERT_EQ(0, test_open(dir_s1d1, O_RDONLY | O_PATH)); ASSERT_EQ(EACCES, test_open(file1_s1d1, O_RDONLY)); + ASSERT_EQ(0, test_open(file1_s1d1, O_RDONLY | O_PATH)); + ASSERT_EQ(0, test_open(dir_s1d2, O_RDONLY)); ASSERT_EQ(0, test_open(file1_s1d2, O_RDONLY)); ASSERT_EQ(0, test_open(dir_s1d3, O_RDONLY)); ASSERT_EQ(0, test_open(file1_s1d3, O_RDONLY)); - /* Tests on a file. */ + /* Tests on a file (with or without O_PATH). */ ASSERT_EQ(EACCES, test_open(dir_s2d2, O_RDONLY)); + ASSERT_EQ(0, test_open(dir_s2d2, O_RDONLY | O_PATH)); + ASSERT_EQ(0, test_open(file1_s2d2, O_RDONLY)); /* Checks effective read and write actions. */
