1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Check decoding of reboot syscall.
*
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <linux/reboot.h>
#include <unistd.h>
#define INVALID_MAGIC 319887762
#define INVALID_CMD 0x01234568
#define STR32 "AbCdEfGhIjKlMnOpQrStUvWxYz012345"
#define STR128 STR32 STR32 STR32 STR32
int
main(void)
{
static const kernel_ulong_t bogus_magic1 =
(kernel_ulong_t) 0xFFFFFFFFFFFFFFFFULL;
static const kernel_ulong_t bogus_magic2 =
(kernel_ulong_t) 0xdeadfacefa57beefULL;
static const kernel_ulong_t bogus_cmd =
(kernel_ulong_t) 0xbadda7a09caffee1ULL;
static const char buf[] = "reboot";
static const char str256_buf[] = STR128 STR128;
long rc;
char *str256 = tail_memdup(str256_buf, sizeof(str256_buf) - 1);
rc = syscall(__NR_reboot, 0, 0, 0, 0);
printf("reboot(0 /* LINUX_REBOOT_MAGIC_??? */, "
"0 /* LINUX_REBOOT_MAGIC_??? */, "
"LINUX_REBOOT_CMD_CAD_OFF) = %s\n",
sprintrc(rc));
rc = syscall(__NR_reboot, bogus_magic1, bogus_magic2, bogus_cmd, -1);
printf("reboot(%#x /* LINUX_REBOOT_MAGIC_??? */, "
"%#x /* LINUX_REBOOT_MAGIC_??? */, "
"%#x /* LINUX_REBOOT_CMD_??? */) = %s\n",
(unsigned int) bogus_magic1, (unsigned int) bogus_magic2,
(unsigned int) bogus_cmd, sprintrc(rc));
rc = syscall(__NR_reboot, LINUX_REBOOT_MAGIC1,
INVALID_MAGIC, LINUX_REBOOT_CMD_RESTART2, buf);
printf("reboot(LINUX_REBOOT_MAGIC1, %#x /* LINUX_REBOOT_MAGIC_??? */,"
" LINUX_REBOOT_CMD_RESTART2, \"%s\") = %s\n",
INVALID_MAGIC, buf, sprintrc(rc));
rc = syscall(__NR_reboot, LINUX_REBOOT_MAGIC1,
LINUX_REBOOT_MAGIC2, INVALID_CMD);
printf("reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,"
" %#x /* LINUX_REBOOT_CMD_??? */) = %s\n",
INVALID_CMD, sprintrc(rc));
rc = syscall(__NR_reboot, INVALID_MAGIC, LINUX_REBOOT_MAGIC2A,
LINUX_REBOOT_CMD_RESTART2, str256);
printf("reboot(%#x /* LINUX_REBOOT_MAGIC_??? */, LINUX_REBOOT_MAGIC2A, "
"LINUX_REBOOT_CMD_RESTART2, \"%.255s\"...) = %s\n",
INVALID_MAGIC, str256, sprintrc(rc));
rc = syscall(__NR_reboot, INVALID_MAGIC, LINUX_REBOOT_MAGIC2B,
LINUX_REBOOT_CMD_RESTART2, str256 + 1);
printf("reboot(%#x /* LINUX_REBOOT_MAGIC_??? */, LINUX_REBOOT_MAGIC2B, "
"LINUX_REBOOT_CMD_RESTART2, \"%.255s\"...) = %s\n",
INVALID_MAGIC, str256 + 1, sprintrc(rc));
rc = syscall(__NR_reboot, INVALID_MAGIC, LINUX_REBOOT_MAGIC2C,
LINUX_REBOOT_CMD_RESTART2, str256 + 2);
printf("reboot(%#x /* LINUX_REBOOT_MAGIC_??? */, LINUX_REBOOT_MAGIC2C, "
"LINUX_REBOOT_CMD_RESTART2, %p) = %s\n",
INVALID_MAGIC, str256 + 2, sprintrc(rc));
str256[255] = '\0';
rc = syscall(__NR_reboot, INVALID_MAGIC, bogus_magic1,
LINUX_REBOOT_CMD_RESTART2, str256);
printf("reboot(%#x /* LINUX_REBOOT_MAGIC_??? */, "
"%#x /* LINUX_REBOOT_MAGIC_??? */, "
"LINUX_REBOOT_CMD_RESTART2, \"%.255s\"...) = %s\n",
INVALID_MAGIC, (unsigned int) bogus_magic1, str256,
sprintrc(rc));
rc = syscall(__NR_reboot, INVALID_MAGIC, bogus_magic1,
LINUX_REBOOT_CMD_RESTART2, str256 + 1);
printf("reboot(%#x /* LINUX_REBOOT_MAGIC_??? */, "
"%#x /* LINUX_REBOOT_MAGIC_??? */, "
"LINUX_REBOOT_CMD_RESTART2, \"%.254s\") = %s\n",
INVALID_MAGIC, (unsigned int) bogus_magic1, str256 + 1,
sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
|
