u-boot/cmd/stackprot_test.c
Tom Rini 03de305ec4 Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-20 13:35:03 -06:00

26 lines
582 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2021 Broadcom
*/
#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", "");