uninit-vuln.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

void take_int(int j)
{
    if (j == 1337)
        printf("How could this be? j was never initialized!\n");
}

void recursive_func(int n)
{
    static int i = 0;
    i++;
    if (i == 10)
        return;
    else
        recursive_func(n);
}

void func()
{
    int j;
    take_int(j);
}

int main(int argc, char **argv)
{
    int n = atoi(argv[1]);
    recursive_func(n);
    func();
    return 0;
}