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
12static 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
24static 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
46static 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