json/tests/thirdparty/Fuzzer/test/StrncmpOOBTest.cpp
Niels Lohmann b21c345179
Reorganize directories (#3462)
* 🚚 move files
* 🚚 rename doc folder to docs
* 🚚 rename test folder to tests
2022-05-01 09:41:50 +02:00

22 lines
566 B
C++

// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Test that libFuzzer itself does not read out of bounds.
#include <assert.h>
#include <cstdint>
#include <cstring>
#include <cstdlib>
#include <cstddef>
#include <iostream>
static volatile int Sink;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size < 5) return 0;
const char *Ch = reinterpret_cast<const char *>(Data);
if (Ch[Size - 3] == 'a')
Sink = strncmp(Ch + Size - 3, "abcdefg", 6);
return 0;
}