// SPDX-License-Identifier: GPL-2.0+ | |
/* | |
* Copyright 2021 Broadcom | |
*/ | |
#include <common.h> | |
#include <command.h> | |
static int do_test_stackprot_fail(struct cmd_tbl *cmdtp, int flag, int argc, | |
char *const argv[]) | |
{ | |
/* | |
* In order to avoid having the compiler optimize away the stack smashing | |
* we need to do a little something here. | |
*/ | |
char a[128]; | |
memset(a, 0xa5, 512); | |
printf("We have smashed our stack as this should not exceed 128: sizeof(a) = %zd\n", | |
strlen(a)); | |
return 0; | |
} | |
U_BOOT_CMD(stackprot_test, 1, 1, do_test_stackprot_fail, | |
"test stack protector fail", ""); |