1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) Zilogic Systems Pvt. Ltd., 2018
4 * Email: code@zilogic.com
5 */
6
7 /*\
8 * [Description]
9 *
10 * Test basic error handling of statx syscall:
11 *
12 * - EBADF - Bad file descriptor
13 * - EFAULT - Bad address
14 * - EINVAL - Invalid argument
15 * - ENOENT - No such file or directory
16 * - ENOTDIR - Not a directory
17 * - ENAMETOOLONG - Filename too long
18 */
19
20 #define _GNU_SOURCE
21 #include <stdio.h>
22 #include <string.h>
23 #include "tst_test.h"
24 #include "tst_safe_macros.h"
25 #include "tst_get_bad_addr.h"
26 #include "lapi/stat.h"
27 #include "lapi/fcntl.h"
28
29 #define TESTFILE "test_file"
30 #define MODE 0644
31
32 static char long_pathname[257];
33
34 static char *test_fname = TESTFILE;
35 static char *efault_fname;
36 static char *empty_fname = "";
37 static char *etoolong_fname = long_pathname;
38
39 static struct test_case {
40 uint32_t dfd;
41 char **filename;
42 uint32_t flag;
43 uint32_t mask;
44 int32_t errnum;
45 } tcases[] = {
46 {.dfd = -1, .filename = &test_fname, .flag = 0,
47 .mask = 0, .errnum = EBADF},
48
49 {.dfd = AT_FDCWD, .filename = &efault_fname, .flag = 0,
50 .mask = 0, .errnum = EFAULT},
51
52 {.dfd = AT_FDCWD, .filename = &test_fname, .flag = -1,
53 .mask = 0, .errnum = EINVAL},
54
55 {.dfd = AT_FDCWD, .filename = &test_fname, .flag = 0,
56 .mask = -1, .errnum = EINVAL},
57
58 {.dfd = AT_FDCWD, .filename = &empty_fname, .flag = 0,
59 .mask = 0, .errnum = ENOENT},
60
61 {.dfd = 1, .filename = &test_fname, .flag = 0,
62 .mask = 0, .errnum = ENOTDIR},
63
64 {.dfd = AT_FDCWD, .filename = &etoolong_fname, .flag = 0,
65 .mask = 0, .errnum = ENAMETOOLONG},
66 };
67
run_test(unsigned int i)68 static void run_test(unsigned int i)
69 {
70 struct statx buf;
71 struct test_case *tc = &tcases[i];
72
73 TEST(statx(tc->dfd, *(tc->filename), tc->flag,
74 tc->mask, &buf));
75
76 if (TST_RET != -1) {
77 tst_res(TFAIL, "statx() returned with %ld", TST_RET);
78 return;
79 }
80
81 if (tc->errnum == TST_ERR) {
82 tst_res(TPASS | TTERRNO, "statx() failed with");
83 return;
84 }
85
86 tst_res(TFAIL | TTERRNO,
87 "statx() should fail with %s", tst_strerrno(tc->errnum));
88 }
89
setup(void)90 static void setup(void)
91 {
92 int file_fd;
93
94 file_fd = SAFE_OPEN(TESTFILE, O_RDWR | O_CREAT, MODE);
95 SAFE_CLOSE(file_fd);
96
97 memset(long_pathname, '@', sizeof(long_pathname));
98 long_pathname[sizeof(long_pathname) - 1] = 0;
99
100 efault_fname = tst_get_bad_addr(NULL);
101 }
102
103 static struct tst_test test = {
104 .tcnt = ARRAY_SIZE(tcases),
105 .test = run_test,
106 .setup = setup,
107 .min_kver = "4.11",
108 .needs_tmpdir = 1,
109 };
110