You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
3.9 KiB
135 lines
3.9 KiB
/*
|
|
* Check decoding of out-of-range syscalls.
|
|
*
|
|
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2016-2018 The strace developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "tests.h"
|
|
#include "sysent.h"
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <asm/unistd.h>
|
|
|
|
#include "sysent_shorthand_defs.h"
|
|
|
|
static const struct_sysent syscallent[] = {
|
|
#include "syscallent.h"
|
|
};
|
|
|
|
#include "sysent_shorthand_undefs.h"
|
|
|
|
#ifndef DEBUG_PRINT
|
|
# define DEBUG_PRINT 0
|
|
#endif
|
|
|
|
#if defined __X32_SYSCALL_BIT && defined __NR_read \
|
|
&& (__X32_SYSCALL_BIT & __NR_read) != 0
|
|
# define SYSCALL_BIT __X32_SYSCALL_BIT
|
|
#else
|
|
# define SYSCALL_BIT 0
|
|
#endif
|
|
|
|
#if DEBUG_PRINT
|
|
static const char *strace_name;
|
|
static FILE *debug_out;
|
|
#endif
|
|
|
|
static void
|
|
test_syscall(const unsigned long nr)
|
|
{
|
|
static const kernel_ulong_t a[] = {
|
|
(kernel_ulong_t) 0xface0fedbadc0dedULL,
|
|
(kernel_ulong_t) 0xface1fedbadc1dedULL,
|
|
(kernel_ulong_t) 0xface2fedbadc2dedULL,
|
|
(kernel_ulong_t) 0xface3fedbadc3dedULL,
|
|
(kernel_ulong_t) 0xface4fedbadc4dedULL,
|
|
(kernel_ulong_t) 0xface5fedbadc5dedULL
|
|
};
|
|
|
|
long rc = syscall(nr | SYSCALL_BIT,
|
|
a[0], a[1], a[2], a[3], a[4], a[5]);
|
|
|
|
#if DEBUG_PRINT
|
|
fprintf(debug_out, "%s: pid %d invalid syscall %#lx\n",
|
|
strace_name, getpid(), nr | SYSCALL_BIT);
|
|
#endif
|
|
|
|
#ifdef LINUX_MIPSO32
|
|
printf("syscall(%#lx, %#lx, %#lx, %#lx, %#lx, %#lx, %#lx)"
|
|
" = %s\n", nr | SYSCALL_BIT,
|
|
a[0], a[1], a[2], a[3], a[4], a[5], sprintrc(rc));
|
|
#else
|
|
printf("syscall_%#lx(%#llx, %#llx, %#llx, %#llx, %#llx, %#llx)"
|
|
" = %s\n", nr | SYSCALL_BIT,
|
|
(unsigned long long) a[0],
|
|
(unsigned long long) a[1],
|
|
(unsigned long long) a[2],
|
|
(unsigned long long) a[3],
|
|
(unsigned long long) a[4],
|
|
(unsigned long long) a[5],
|
|
sprintrc(rc));
|
|
#endif
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
#if DEBUG_PRINT
|
|
if (argc < 3)
|
|
error_msg_and_fail("Not enough arguments. "
|
|
"Usage: %s STRACE_NAME DEBUG_OUT_FD",
|
|
argv[0]);
|
|
|
|
strace_name = argv[1];
|
|
|
|
errno = 0;
|
|
int debug_out_fd = strtol(argv[2], NULL, 0);
|
|
if (errno)
|
|
error_msg_and_fail("Not a number: %s", argv[2]);
|
|
|
|
debug_out = fdopen(debug_out_fd, "a");
|
|
if (!debug_out)
|
|
perror_msg_and_fail("fdopen: %d", debug_out_fd);
|
|
#endif
|
|
|
|
test_syscall(ARRAY_SIZE(syscallent));
|
|
(void) syscallent; /* workaround for clang bug #33068 */
|
|
|
|
#ifdef SYS_socket_subcall
|
|
test_syscall(SYS_socket_subcall + 1);
|
|
#endif
|
|
|
|
#ifdef SYS_ipc_subcall
|
|
test_syscall(SYS_ipc_subcall + 1);
|
|
#endif
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|