1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
4 * Copyright (c) 2012 Wanlong Gao <[email protected]>
5 * Copyright (c) Linux Test Project, 2003-2023
6 */
7
8 /*\
9 * [Description]
10 *
11 * Verify that clone(2) fails with
12 *
13 * - EINVAL if child stack is set to NULL
14 */
15
16 #include <stdlib.h>
17 #include "tst_test.h"
18 #include "clone_platform.h"
19
20 static int child_fn(void *arg LTP_ATTRIBUTE_UNUSED);
21
22 static struct tcase {
23 int (*child_fn)(void *arg);
24 void *child_stack;
25 int exp_errno;
26 char err_desc[10];
27 } tcases[] = {
28 {child_fn, NULL, EINVAL, "NULL stack"},
29 };
30
child_fn(void * arg LTP_ATTRIBUTE_UNUSED)31 static int child_fn(void *arg LTP_ATTRIBUTE_UNUSED)
32 {
33 exit(0);
34 }
35
verify_clone(unsigned int nr)36 static void verify_clone(unsigned int nr)
37 {
38 struct tcase *tc = &tcases[nr];
39
40 TST_EXP_FAIL(ltp_clone(0, tc->child_fn, NULL,
41 CHILD_STACK_SIZE, tc->child_stack),
42 tc->exp_errno, "%s", tc->err_desc);
43 }
44
45 static struct tst_test test = {
46 .tcnt = ARRAY_SIZE(tcases),
47 .test = verify_clone,
48 .tags = (const struct tst_tag[]) {
49 {"musl-git", "fa4a8abd06a4"},
50 {}
51 },
52 };
53