1 /* $OpenBSD: crash.c,v 1.2 2019/09/10 19:01:24 bluhm Exp $ */
2 /*
3 * Copyright (c) 2017-2019 Alexander Bluhm <bluhm@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <err.h>
19 #include <stdlib.h>
20 #include <signal.h>
21 #include <unistd.h>
22
23 void handler(int);
24
25 int
main(int argc,char * argv[])26 main(int argc, char *argv[])
27 {
28 int *i;
29
30 if (signal(SIGSEGV, handler) == SIG_ERR)
31 err(1, "signal");
32 i = (void *)0x10UL;
33 (*i)++;
34 return *i;
35 }
36
37 void
handler(int signum)38 handler(int signum)
39 {
40 _exit(0);
41 }
42