File: bug-memory.c

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zzuf 0.15-5
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/*
 *  bug-memory - program exhausting the memory when fuzzed
 *
 *  Copyright © 2002—2015 Sam Hocevar <sam@hocevar.net>
 *
 *  This program is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
 *  and/or modify it under the terms of the Do What the Fuck You Want
 *  to Public License, Version 2, as published by the WTFPL Task Force.
 *  See http://www.wtfpl.net/ for more details.
 */

#include "config.h"

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

int main(void)
{
    int ch;
    while ((ch = getc(stdin)) != EOF)
    {
        /* Mark as volatile to prevent the compiler from removing tmp */
        volatile char *tmp = malloc(1 + ch * 1024 * 1024);
        for (int i = 0; i < 1024; i++)
            tmp[ch * 1024 * i] = i;
    }

    return EXIT_SUCCESS;
}