[PATCH v11 2/8] selftests/landlock: Add test for handling unknown scope
From: Tahera Fahimi <hidden>
Date: 2024-09-05 00:14:23
Also in:
linux-security-module, lkml
Subsystem:
kernel selftest framework, landlock security module, the rest · Maintainers:
Shuah Khan, Mickaël Salaün, Linus Torvalds
The test function, "ruleset_with_unknown_scope", is designed to validate the behaviour of the "landlock_create_ruleset" function when it is provided with an unsupported or unknown scope mask. Signed-off-by: Tahera Fahimi <redacted> --- Changes in versions: v11: * Change commit subject and apply coding style --- .../testing/selftests/landlock/scoped_test.c | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 tools/testing/selftests/landlock/scoped_test.c
diff --git a/tools/testing/selftests/landlock/scoped_test.c b/tools/testing/selftests/landlock/scoped_test.c
new file mode 100644
index 000000000000..36d7266de9dc
--- /dev/null
+++ b/tools/testing/selftests/landlock/scoped_test.c@@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Landlock tests - Common scope restriction + * + * Copyright © 2024 Tahera Fahimi <fahimitahera@gmail.com> + */ + +#define _GNU_SOURCE +#include <errno.h> +#include <linux/landlock.h> +#include <sys/prctl.h> + +#include "common.h" + +#define ACCESS_LAST LANDLOCK_SCOPED_ABSTRACT_UNIX_SOCKET + +TEST(ruleset_with_unknown_scope) +{ + __u64 scoped_mask; + + for (scoped_mask = 1ULL << 63; scoped_mask != ACCESS_LAST; + scoped_mask >>= 1) { + struct landlock_ruleset_attr ruleset_attr = { + .scoped = scoped_mask, + }; + + ASSERT_EQ(-1, landlock_create_ruleset(&ruleset_attr, + sizeof(ruleset_attr), 0)); + ASSERT_EQ(EINVAL, errno); + } +} + +TEST_HARNESS_MAIN
--
2.34.1