2 * Check decoding of out-of-range syscalls.
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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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.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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35 #include <asm/unistd.h>
58 static const struct_sysent syscallent[] = {
59 #include "syscallent.h"
62 #if defined __X32_SYSCALL_BIT && defined __NR_read \
63 && (__X32_SYSCALL_BIT & __NR_read) != 0
64 # define SYSCALL_BIT __X32_SYSCALL_BIT
66 # define SYSCALL_BIT 0
70 test_syscall(const unsigned long nr)
72 static const kernel_ulong_t a[] = {
73 (kernel_ulong_t) 0xface0fedbadc0dedULL,
74 (kernel_ulong_t) 0xface1fedbadc1dedULL,
75 (kernel_ulong_t) 0xface2fedbadc2dedULL,
76 (kernel_ulong_t) 0xface3fedbadc3dedULL,
77 (kernel_ulong_t) 0xface4fedbadc4dedULL,
78 (kernel_ulong_t) 0xface5fedbadc5dedULL
81 long rc = syscall(nr | SYSCALL_BIT,
82 a[0], a[1], a[2], a[3], a[4], a[5]);
84 printf("syscall(%#lx, %#lx, %#lx, %#lx, %#lx, %#lx, %#lx)"
85 " = %ld ENOSYS (%m)\n", nr | SYSCALL_BIT,
86 a[0], a[1], a[2], a[3], a[4], a[5], rc);
88 printf("syscall_%lu(%#llx, %#llx, %#llx, %#llx, %#llx, %#llx)"
89 " = %ld (errno %d)\n", nr,
90 (unsigned long long) a[0],
91 (unsigned long long) a[1],
92 (unsigned long long) a[2],
93 (unsigned long long) a[3],
94 (unsigned long long) a[4],
95 (unsigned long long) a[5],
103 test_syscall(ARRAY_SIZE(syscallent));
105 #ifdef SYS_socket_subcall
106 test_syscall(SYS_socket_subcall + 1);
109 #ifdef SYS_ipc_subcall
110 test_syscall(SYS_ipc_subcall + 1);
113 puts("+++ exited with 0 +++");