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[v2,03/10] selftests/landlock: Extend tests for minimal valid attribute size

Message ID 20220506160820.524344-4-mic@digikod.net (mailing list archive)
State New, archived
Headers show
Series Minor Landlock fixes and new tests | expand

Commit Message

Mickaël Salaün May 6, 2022, 4:08 p.m. UTC 
This might be useful when the struct landlock_ruleset_attr will get more
fields.

Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220506160820.524344-4-mic@digikod.net
---

Changes since v1:
* Format with clang-format and rebase.
---
 tools/testing/selftests/landlock/base_test.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/tools/testing/selftests/landlock/base_test.c b/tools/testing/selftests/landlock/base_test.c
index 3faeae4233a4..be9b937256ac 100644
--- a/tools/testing/selftests/landlock/base_test.c
+++ b/tools/testing/selftests/landlock/base_test.c
@@ -35,6 +35,8 @@  TEST(inconsistent_attr)
 	ASSERT_EQ(EINVAL, errno);
 	ASSERT_EQ(-1, landlock_create_ruleset(ruleset_attr, 1, 0));
 	ASSERT_EQ(EINVAL, errno);
+	ASSERT_EQ(-1, landlock_create_ruleset(ruleset_attr, 7, 0));
+	ASSERT_EQ(EINVAL, errno);
 
 	ASSERT_EQ(-1, landlock_create_ruleset(NULL, 1, 0));
 	/* The size if less than sizeof(struct landlock_attr_enforce). */
@@ -47,6 +49,9 @@  TEST(inconsistent_attr)
 	ASSERT_EQ(-1, landlock_create_ruleset(ruleset_attr, page_size + 1, 0));
 	ASSERT_EQ(E2BIG, errno);
 
+	/* Checks minimal valid attribute size. */
+	ASSERT_EQ(-1, landlock_create_ruleset(ruleset_attr, 8, 0));
+	ASSERT_EQ(ENOMSG, errno);
 	ASSERT_EQ(-1, landlock_create_ruleset(
 			      ruleset_attr,
 			      sizeof(struct landlock_ruleset_attr), 0));