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use stack protector in bootloader

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This commit is contained in:
Pavol Rusnak 2014-10-30 17:57:33 +01:00
parent c051dfde9d
commit 58ecfdcab0
1 changed files with 10 additions and 0 deletions
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10
bootloader/bootloader.c
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@ -32,6 +32,7 @@
#include "signatures.h" #include "signatures.h"
#include "layout.h" #include "layout.h"
#include "serialno.h" #include "serialno.h"
#include "rng.h"
#ifdef APPVER #ifdef APPVER
#error Bootloader cannot be used in app mode #error Bootloader cannot be used in app mode
@ -102,8 +103,17 @@ void check_firmware_sanity(void)
} }
} }
uint32_t __stack_chk_guard;
void __attribute__((noreturn)) __stack_chk_fail(void)
{
layoutDialog(DIALOG_ICON_ERROR, NULL, NULL, NULL, "Stack smashing", "detected.", NULL, "Please unplug", "the device.", NULL);
for (;;) {} // loop forever
}
int main(void) int main(void)
{ {
__stack_chk_guard = random32();
setup(); setup();
memory_protect(); memory_protect();
oledInit(); oledInit();