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deps/v8/test/fuzzer/fuzzer.cc
59 строк
2 KB
Michaël Zasso
deps: update V8 to 12.4.254.14
23 апр 2024, 00:25
23 апр 2024, 00:25
cfbf9e0
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// Copyright 2016 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include <stddef.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <vector> extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv); extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); int main(int argc, char* argv[]) { if (LLVMFuzzerInitialize(&argc, &argv)) { fprintf(stderr, "Failed to initialize fuzzer target\n"); return 1; } std::vector<uint8_t> input_data; bool after_dash_dash = false; for (int arg_idx = 1; arg_idx < argc; ++arg_idx) { const char* const arg = argv[arg_idx]; // Ignore first '--' argument. if (!after_dash_dash && arg[0] == '-' && arg[1] == '-' && arg[2] == '\0') { after_dash_dash = true; continue; } FILE* input = fopen(arg, "rb"); if (!input) { fprintf(stderr, "Failed to open '%s'\n", arg); return 1; } fseek(input, 0, SEEK_END); size_t size = ftell(input); fseek(input, 0, SEEK_SET); size_t old_size = input_data.size(); input_data.resize(old_size + size); size_t bytes_read = fread(input_data.data() + old_size, 1, size, input); fclose(input); if (bytes_read != size) { fprintf(stderr, "Failed to read %zu bytes from %s\n", size, arg); return 1; } } // Ensure that {input_data.data()} is not {nullptr} to avoid having to handle // this in specific fuzzers. if (input_data.empty()) input_data.reserve(1); return LLVMFuzzerTestOneInput(input_data.data(), input_data.size()); }