1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2017 Fujitsu Ltd.
4 * Ported: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
5 */
6
7 /*
8 * This regression test can crash the buggy kernel,
9 * and the bug was fixed in:
10 *
11 * commit f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61
12 * Author: David Howells <dhowells@redhat.com>
13 * Date: Thu Oct 15 17:21:37 2015 +0100
14 *
15 * KEYS: Fix crash when attempt to garbage collect
16 * an uninstantiated keyring
17 */
18
19 #include <errno.h>
20 #include <sys/types.h>
21
22 #include "tst_test.h"
23 #include "lapi/keyctl.h"
24
do_test(void)25 static void do_test(void)
26 {
27 key_serial_t key;
28
29 key = add_key("user", "ltptestkey", "a", 1, KEY_SPEC_SESSION_KEYRING);
30 if (key == -1)
31 tst_brk(TBROK, "Failed to add key");
32
33 request_key("keyring", "foo", "bar", KEY_SPEC_THREAD_KEYRING);
34
35 TEST(keyctl(KEYCTL_UNLINK, key, KEY_SPEC_SESSION_KEYRING));
36 if (TST_RET)
37 tst_res(TFAIL | TTERRNO, "keyctl unlink failed");
38 else
39 tst_res(TPASS, "Bug not reproduced");
40 }
41
42 static struct tst_test test = {
43 .test_all = do_test,
44 .tags = (const struct tst_tag[]) {
45 {"linux-git", "f05819df10d7"},
46 {}
47 }
48 };
49