tjh.dev
1/* an example that should be protected by FORTIFY_SOURCE=1 */
2#include <stdio.h>
3#include <string.h>
4#include <stdlib.h>
5
6
7int main(int argc, char *argv[]) {
8 /* allocate on the heap so we're likely to get an
9 * over-allocation and can be more sure that a
10 * failure is because of fortify protection rather
11 * than a genuine segfault */
12 char* buffer = malloc(sizeof(char) * 7);
13 strcpy(buffer, argv[1]);
14 puts(buffer);
15 return 0;
16}