strace/tests/umovestr2.c

34 lines
667 B
C

/*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int
main(void)
{
const size_t page_len = get_page_size();
const size_t tail_len = page_len * 2 - 1;
const size_t str_len = tail_len - 1;
char *addr = tail_alloc(tail_len);
memset(addr, '0', str_len);
addr[str_len] = '\0';
char *argv[] = { NULL };
char *envp[] = { addr, NULL };
execve("", argv, envp);
printf("execve(\"\", [], [\"%0*u\"]) = -1 ENOENT (%m)\n",
(int) str_len, 0);
puts("+++ exited with 0 +++");
return 0;
}