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