gistfile1.txt

#include <stdio.h>

int main(){
   int x[1]; 
   int i = 3;
   asm("int $3"); // force debugger break
   x[i] = 123; // corrupt stack
   printf("%d\n",x[i]); // check if this really "works"
   return 0;
}

$ gcc -fstack-protector-all -o t.exe t.c
$ ./t.exe
123
$ echo $?
0

>file t.exe
t.exe: PE32 executable for MS Windows (console) Intel 80386 32-bit