1 /*
2 * Check decoding of out-of-range syscalls.
3 *
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2016-2017 The strace developers.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32 #include "sysent.h"
33 #include <errno.h>
34 #include <stdio.h>
35 #include <unistd.h>
36 #include <asm/unistd.h>
37
38 #define TD 0
39 #define TF 0
40 #define TI 0
41 #define TN 0
42 #define TP 0
43 #define TS 0
44 #define TM 0
45 #define TST 0
46 #define TLST 0
47 #define TFST 0
48 #define TSTA 0
49 #define TSF 0
50 #define TFSF 0
51 #define TSFA 0
52 #define NF 0
53 #define MA 0
54 #define SI 0
55 #define SE 0
56 #define CST 0
57 #define SEN(arg) 0, 0
58
59 static const struct_sysent syscallent[] = {
60 #include "syscallent.h"
61 };
62
63 #if defined __X32_SYSCALL_BIT && defined __NR_read \
64 && (__X32_SYSCALL_BIT & __NR_read) != 0
65 # define SYSCALL_BIT __X32_SYSCALL_BIT
66 #else
67 # define SYSCALL_BIT 0
68 #endif
69
70 static void
test_syscall(const unsigned long nr)71 test_syscall(const unsigned long nr)
72 {
73 static const kernel_ulong_t a[] = {
74 (kernel_ulong_t) 0xface0fedbadc0dedULL,
75 (kernel_ulong_t) 0xface1fedbadc1dedULL,
76 (kernel_ulong_t) 0xface2fedbadc2dedULL,
77 (kernel_ulong_t) 0xface3fedbadc3dedULL,
78 (kernel_ulong_t) 0xface4fedbadc4dedULL,
79 (kernel_ulong_t) 0xface5fedbadc5dedULL
80 };
81
82 long rc = syscall(nr | SYSCALL_BIT,
83 a[0], a[1], a[2], a[3], a[4], a[5]);
84 #ifdef LINUX_MIPSO32
85 printf("syscall(%#lx, %#lx, %#lx, %#lx, %#lx, %#lx, %#lx)"
86 " = %ld ENOSYS (%m)\n", nr | SYSCALL_BIT,
87 a[0], a[1], a[2], a[3], a[4], a[5], rc);
88 #else
89 printf("syscall_%lu(%#llx, %#llx, %#llx, %#llx, %#llx, %#llx)"
90 " = %ld (errno %d)\n", nr,
91 (unsigned long long) a[0],
92 (unsigned long long) a[1],
93 (unsigned long long) a[2],
94 (unsigned long long) a[3],
95 (unsigned long long) a[4],
96 (unsigned long long) a[5],
97 rc, errno);
98 #endif
99 }
100
101 int
main(void)102 main(void)
103 {
104 test_syscall(ARRAY_SIZE(syscallent));
105
106 #ifdef SYS_socket_subcall
107 test_syscall(SYS_socket_subcall + 1);
108 #endif
109
110 #ifdef SYS_ipc_subcall
111 test_syscall(SYS_ipc_subcall + 1);
112 #endif
113
114 puts("+++ exited with 0 +++");
115 return 0;
116 }
117