hardened_malloc/test/string_overflow.c

21 lines
336 B
C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include "test_util.h"
OPTNONE int main(void) {
char *p = malloc(16);
if (!p) {
return 1;
}
size_t size = malloc_usable_size(p);
memset(p, 'a', size);
printf("overflow by %zu bytes\n", strlen(p) - size);
return 0;
}