// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2021 Broadcom */ #include #include 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) = %ld\n", strlen(a)); return 0; } U_BOOT_CMD(stackprot_test, 1, 1, do_test_stackprot_fail, "test stack protector fail", "");