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
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12 * 2. Redistributions in binary form must reproduce the above copyright
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18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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31 #include "kernel_types.h"
47 static const struct_sysent syscallent[] = {
48 #include "syscallent.h"
51 #include <asm/unistd.h>
53 #if defined __X32_SYSCALL_BIT && defined __NR_read \
54 && (__X32_SYSCALL_BIT & __NR_read) != 0
55 # define SYSCALL_BIT __X32_SYSCALL_BIT
57 # define SYSCALL_BIT 0
61 test_syscall(const unsigned long nr)
63 static const kernel_ulong_t a[] = {
64 (kernel_ulong_t) 0xface0fedbadc0dedULL,
65 (kernel_ulong_t) 0xface1fedbadc1dedULL,
66 (kernel_ulong_t) 0xface2fedbadc2dedULL,
67 (kernel_ulong_t) 0xface3fedbadc3dedULL,
68 (kernel_ulong_t) 0xface4fedbadc4dedULL,
69 (kernel_ulong_t) 0xface5fedbadc5dedULL
72 long rc = syscall(nr | SYSCALL_BIT,
73 a[0], a[1], a[2], a[3], a[4], a[5]);
75 printf("syscall(%#lx, %#lx, %#lx, %#lx, %#lx, %#lx, %#lx)"
76 " = %ld ENOSYS (%m)\n", nr | SYSCALL_BIT,
77 a[0], a[1], a[2], a[3], a[4], a[5], rc);
79 printf("syscall_%lu(%#llx, %#llx, %#llx, %#llx, %#llx, %#llx)"
80 " = %ld (errno %d)\n", nr,
81 (unsigned long long) a[0],
82 (unsigned long long) a[1],
83 (unsigned long long) a[2],
84 (unsigned long long) a[3],
85 (unsigned long long) a[4],
86 (unsigned long long) a[5],
94 test_syscall(ARRAY_SIZE(syscallent));
96 #ifdef SYS_socket_subcall
97 test_syscall(SYS_socket_subcall + 1);
100 #ifdef SYS_ipc_subcall
101 test_syscall(SYS_ipc_subcall + 1);
104 puts("+++ exited with 0 +++");