diff mbox series

[v2,07/10] selftests/landlock: Add tests for O_PATH

Message ID 20220506160820.524344-8-mic@digikod.net (mailing list archive)
State New
Headers show
Series Minor Landlock fixes and new tests | expand

Commit Message

Mickaël Salaün May 6, 2022, 4:08 p.m. UTC
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@kernel.org>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220506160820.524344-8-mic@digikod.net
---

Changes since v1:
* New patch.
---
 tools/testing/selftests/landlock/fs_test.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
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Patch

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. */