1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
4 *
5 * Basic open_tree() failure tests.
6 */
7 #include "tst_test.h"
8 #include "lapi/fsmount.h"
9
10 #define MNTPOINT "mntpoint"
11
12 static struct tcase {
13 char *name;
14 int dirfd;
15 const char *pathname;
16 unsigned int flags;
17 int exp_errno;
18 } tcases[] = {
19 {"invalid-fd", -1, MNTPOINT, OPEN_TREE_CLONE, EBADF},
20 {"invalid-path", AT_FDCWD, "invalid", OPEN_TREE_CLONE, ENOENT},
21 {"invalid-flags", AT_FDCWD, MNTPOINT, 0xFFFFFFFF, EINVAL},
22 };
23
run(unsigned int n)24 static void run(unsigned int n)
25 {
26 struct tcase *tc = &tcases[n];
27
28 TEST(open_tree(tc->dirfd, tc->pathname, tc->flags));
29 if (TST_RET != -1) {
30 SAFE_CLOSE(TST_RET);
31 tst_res(TFAIL, "%s: open_tree() succeeded unexpectedly (index: %d)",
32 tc->name, n);
33 return;
34 }
35
36 if (tc->exp_errno != TST_ERR) {
37 tst_res(TFAIL | TTERRNO, "%s: open_tree() should fail with %s",
38 tc->name, tst_strerrno(tc->exp_errno));
39 return;
40 }
41
42 tst_res(TPASS | TTERRNO, "%s: open_tree() failed as expected",
43 tc->name);
44 }
45
46 static struct tst_test test = {
47 .tcnt = ARRAY_SIZE(tcases),
48 .test = run,
49 .setup = fsopen_supported_by_kernel,
50 .needs_root = 1,
51 .mount_device = 1,
52 .mntpoint = MNTPOINT,
53 .all_filesystems = 1,
54 .skip_filesystems = (const char *const []){"fuse", NULL},
55 };
56