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selftests/landlock: Test handling of unknown scope

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Add a new ruleset_with_unknown_scope test designed to validate the
behaviour of landlock_create_ruleset(2) when called with an unsupported
or unknown scope mask.

Signed-off-by: Tahera Fahimi <fahimitahera@gmail.com>
Link: https://lore.kernel.org/r/74b363aaa7ddf80e1e5e132ce3d550a3a8bbf6da.1725494372.git.fahimitahera@gmail.com
Signed-off-by: Mickaël Salaün <mic@digikod.net>
This commit is contained in:
Tahera Fahimi 2024-09-04 18:13:56 -06:00 committed by Mickaël Salaün
parent 21d52e295a
commit 5b6b63cd64
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1 changed files with 33 additions and 0 deletions
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33
tools/testing/selftests/landlock/scoped_test.c Normal file
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// 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_SCOPE_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