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MicroDexed/third-party/ArduinoJson/extras/fuzzing/reproducer.cpp

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1.2 KiB

// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
// This file is NOT use by Google's OSS fuzz
// I only use it to reproduce the bugs found
#include <stdint.h> // size_t
#include <stdio.h> // fopen et al.
#include <stdlib.h> // exit
#include <iostream>
#include <vector>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
std::vector<uint8_t> read(const char* path) {
FILE* f = fopen(path, "rb");
if (!f) {
std::cerr << "Failed to open " << path << std::endl;
exit(1);
}
fseek(f, 0, SEEK_END);
size_t size = static_cast<size_t>(ftell(f));
fseek(f, 0, SEEK_SET);
std::vector<uint8_t> buffer(size);
if (fread(buffer.data(), 1, size, f) != size) {
fclose(f);
std::cerr << "Failed to read " << path << std::endl;
exit(1);
}
fclose(f);
return buffer;
}
int main(int argc, const char* argv[]) {
if (argc < 2) {
std::cerr << "Usage: msgpack_fuzzer files" << std::endl;
return 1;
}
for (int i = 1; i < argc; i++) {
std::cout << "Loading " << argv[i] << std::endl;
std::vector<uint8_t> buffer = read(argv[i]);
LLVMFuzzerTestOneInput(buffer.data(), buffer.size());
}
return 0;
}