llvm-project/compiler-rt/test/fuzzer/NullDerefOnEmptyTest.cpp

21 lines
566 B
C++

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Simple test for a fuzzer. The fuzzer must find the empty string.
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <iostream>
static volatile int *Null = 0;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size == 0) {
std::cout << "Found the target, dereferencing NULL\n";
*Null = 1;
}
return 0;
}