1// SPDX-License-Identifier: GPL-2.0+
2/*
3 *  Copyright 2021 Broadcom
4 */
5
6#include <common.h>
7#include <command.h>
8
9static int do_test_stackprot_fail(struct cmd_tbl *cmdtp, int flag, int argc,
10				  char *const argv[])
11{
12	/*
13	 * In order to avoid having the compiler optimize away the stack smashing
14	 * we need to do a little something here.
15	 */
16	char a[128];
17
18	memset(a, 0xa5, 512);
19
20	printf("We have smashed our stack as this should not exceed 128: sizeof(a) = %zd\n",
21	       strlen(a));
22
23	return 0;
24}
25
26U_BOOT_CMD(stackprot_test, 1, 1, do_test_stackprot_fail,
27	   "test stack protector fail", "");
28