|
|
// Copyright 2017 Google Inc. All Rights Reserved.
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
|
|
// Example of a standalone runner for "fuzz targets".
|
|
|
// It reads all files passed as parameters and feeds their contents
|
|
|
// one by one into the fuzz target (LLVMFuzzerTestOneInput).
|
|
|
// This runner does not do any fuzzing, but allows us to run the fuzz target
|
|
|
// on the test corpus (e.g. "do_stuff_test_data") or on a single file,
|
|
|
// e.g. the one that comes from a bug report.
|
|
|
|
|
|
#include <cassert>
|
|
|
#include <fstream>
|
|
|
#include <iostream>
|
|
|
#include <vector>
|
|
|
|
|
|
// Forward declare the "fuzz target" interface.
|
|
|
// We deliberately keep this inteface simple and header-free.
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
|
|
|
|
|
|
extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv);
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
|
{
|
|
|
LLVMFuzzerInitialize(&argc, &argv);
|
|
|
|
|
|
for (int i = 1; i < argc; i++) {
|
|
|
std::ifstream in(argv[i]);
|
|
|
in.seekg(0, in.end);
|
|
|
size_t length = in.tellg();
|
|
|
in.seekg(0, in.beg);
|
|
|
std::cout << "Reading " << length << " bytes from " << argv[i]
|
|
|
<< std::endl;
|
|
|
// Allocate exactly length bytes so that we reliably catch
|
|
|
// buffer overflows.
|
|
|
std::vector<char> bytes(length);
|
|
|
in.read(bytes.data(), bytes.size());
|
|
|
assert(in);
|
|
|
LLVMFuzzerTestOneInput(
|
|
|
reinterpret_cast<const uint8_t *>(bytes.data()),
|
|
|
bytes.size());
|
|
|
std::cout << "Execution successful" << std::endl;
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
// no-check-code since this is from a third party
|
|
|
|
