Unverified Commit c56b3bf5 authored by Mickaël Salaün's avatar Mickaël Salaün
Browse files

selftests/landlock: Add tests for unknown access rights 

Make sure that trying to use unknown access rights returns an error.

Cc: Shuah Khan <shuah@kernel.org>
Link: https://lore.kernel.org/r/20220506160820.524344-5-mic@digikod.net


Cc: stable@vger.kernel.org
Signed-off-by: default avatarMickaël Salaün <mic@digikod.net>
parent 291865bd

tools/testing/selftests/landlock/fs_test.c

+16 −0
Original line number Diff line number Diff line
@@ -448,6 +448,22 @@ TEST_F_FORK(layout1, file_access_rights) 
	ASSERT_EQ(0, close(path_beneath.parent_fd));

}



TEST_F_FORK(layout1, unknown_access_rights)

{

	__u64 access_mask;



	for (access_mask = 1ULL << 63; access_mask != ACCESS_LAST;

	     access_mask >>= 1) {

		struct landlock_ruleset_attr ruleset_attr = {

			.handled_access_fs = access_mask,

		};



		ASSERT_EQ(-1, landlock_create_ruleset(&ruleset_attr,

						      sizeof(ruleset_attr), 0));

		ASSERT_EQ(EINVAL, errno);

	}

}



static void add_path_beneath(struct __test_metadata *const _metadata,

			     const int ruleset_fd, const __u64 allowed_access,

			     const char *const path)