hardened_malloc/test/overflow_small_8_byte.c

17 lines
316 B
C

#include <malloc.h>
#include <stdlib.h>
#include "test_util.h"
OPTNONE int main(void) {
char *p = malloc(8);
if (!p) {
return 1;
}
size_t size = malloc_usable_size(p);
// XOR is used to avoid the test having a 1/256 chance to fail
*(p + size + 7) ^= 1;
free(p);
return 0;
}