// 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 <limits.h> #include <stddef.h> #include <stdint.h> #include "include/v8.h" #include "test/fuzzer/fuzzer-support.h" extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { // Ignore too long inputs as they tend to find OOM or timeouts, not real bugs. if (size > 16 * 1024) { return false; } v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); v8::Isolate* isolate = support->GetIsolate(); v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); v8::Context::Scope context_scope(support->GetContext()); v8::TryCatch try_catch(isolate); if (size > INT_MAX) return 0; v8::Local<v8::String> source; if (!v8::String::NewFromOneByte(isolate, data, v8::NewStringType::kNormal, static_cast<int>(size)) .ToLocal(&source)) { return 0; } v8::JSON::Parse(support->GetContext(), source).IsEmpty(); isolate->RequestGarbageCollectionForTesting( v8::Isolate::kFullGarbageCollection); return 0; }