From d1788ad990874734341b05ab8ccb6448c09c6422 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= <mic@digikod.net>
Date: Fri, 6 May 2022 18:08:17 +0200
Subject: [PATCH] selftests/landlock: Add tests for O_PATH
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Git-commit: d1788ad990874734341b05ab8ccb6448c09c6422
Patch-mainline: v5.19-rc1
References: git-fixes
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>
Link: https://lore.kernel.org/r/20220506160820.524344-8-mic@digikod.net
Cc: stable@vger.kernel.org
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
tools/testing/selftests/landlock/fs_test.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
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. */
--
2.35.3