1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include <limits.h> 6 #include <stddef.h> 7 #include <stdint.h> 8 9 #include "include/v8.h" 10 #include "src/objects.h" 11 #include "src/parsing/parser.h" 12 #include "src/parsing/preparser.h" 13 #include "test/fuzzer/fuzzer-support.h" 14 LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)15extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 16 v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); 17 v8::Isolate* isolate = support->GetIsolate(); 18 19 v8::Isolate::Scope isolate_scope(isolate); 20 v8::HandleScope handle_scope(isolate); 21 v8::Context::Scope context_scope(support->GetContext()); 22 v8::TryCatch try_catch(isolate); 23 24 v8::internal::Isolate* i_isolate = 25 reinterpret_cast<v8::internal::Isolate*>(isolate); 26 v8::internal::Factory* factory = i_isolate->factory(); 27 28 if (size > INT_MAX) return 0; 29 v8::internal::MaybeHandle<v8::internal::String> source = 30 factory->NewStringFromOneByte( 31 v8::internal::Vector<const uint8_t>(data, static_cast<int>(size))); 32 if (source.is_null()) return 0; 33 34 v8::internal::Handle<v8::internal::Script> script = 35 factory->NewScript(source.ToHandleChecked()); 36 v8::internal::Zone zone(i_isolate->allocator()); 37 v8::internal::ParseInfo info(&zone, script); 38 info.set_global(); 39 v8::internal::Parser parser(&info); 40 parser.Parse(&info); 41 isolate->RequestGarbageCollectionForTesting( 42 v8::Isolate::kFullGarbageCollection); 43 return 0; 44 } 45