Line data    Source code

       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 "test/fuzzer/fuzzer-support.h"
      11             : 
      12           2 : extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
      13             :   // Ignore too long inputs as they tend to find OOM or timeouts, not real bugs.
      14           2 :   if (size > 16 * 1024) {
      15             :     return false;
      16             :   }
      17             : 
      18           2 :   v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
      19             :   v8::Isolate* isolate = support->GetIsolate();
      20             : 
      21             :   v8::Isolate::Scope isolate_scope(isolate);
      22           4 :   v8::HandleScope handle_scope(isolate);
      23           2 :   v8::Context::Scope context_scope(support->GetContext());
      24           4 :   v8::TryCatch try_catch(isolate);
      25             : 
      26           2 :   if (size > INT_MAX) return 0;
      27             :   v8::Local<v8::String> source;
      28           2 :   if (!v8::String::NewFromOneByte(isolate, data, v8::NewStringType::kNormal,
      29           2 :                                   static_cast<int>(size))
      30           2 :            .ToLocal(&source)) {
      31             :     return 0;
      32             :   }
      33             : 
      34           2 :   v8::JSON::Parse(support->GetContext(), source).IsEmpty();
      35             :   isolate->RequestGarbageCollectionForTesting(
      36           2 :       v8::Isolate::kFullGarbageCollection);
      37           2 :   return 0;
      38             : }