| // 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 "test/fuzzer/wasm-section-fuzzers.h" |
| |
| #include "include/v8.h" |
| #include "src/isolate.h" |
| #include "src/wasm/wasm-module-builder.h" |
| #include "src/wasm/wasm-module.h" |
| #include "src/zone/accounting-allocator.h" |
| #include "src/zone/zone.h" |
| #include "test/common/wasm/wasm-module-runner.h" |
| #include "test/fuzzer/fuzzer-support.h" |
| |
| using namespace v8::internal::wasm; |
| |
| static const char* kNameString = "name"; |
| static const size_t kNameStringLength = 4; |
| |
| int fuzz_wasm_section(WasmSectionCode section, const uint8_t* data, |
| size_t size) { |
| v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); |
| v8::Isolate* isolate = support->GetIsolate(); |
| v8::internal::Isolate* i_isolate = |
| reinterpret_cast<v8::internal::Isolate*>(isolate); |
| |
| // Clear any pending exceptions from a prior run. |
| if (i_isolate->has_pending_exception()) { |
| i_isolate->clear_pending_exception(); |
| } |
| |
| v8::Isolate::Scope isolate_scope(isolate); |
| v8::HandleScope handle_scope(isolate); |
| v8::Context::Scope context_scope(support->GetContext()); |
| v8::TryCatch try_catch(isolate); |
| |
| v8::internal::AccountingAllocator allocator; |
| v8::internal::Zone zone(&allocator, ZONE_NAME); |
| |
| ZoneBuffer buffer(&zone); |
| buffer.write_u32(kWasmMagic); |
| buffer.write_u32(kWasmVersion); |
| if (section == kNameSectionCode) { |
| buffer.write_u8(kUnknownSectionCode); |
| buffer.write_size(size + kNameStringLength + 1); |
| buffer.write_u8(kNameStringLength); |
| buffer.write(reinterpret_cast<const uint8_t*>(kNameString), |
| kNameStringLength); |
| buffer.write(data, size); |
| } else { |
| buffer.write_u8(section); |
| buffer.write_size(size); |
| buffer.write(data, size); |
| } |
| |
| ErrorThrower thrower(i_isolate, "decoder"); |
| |
| std::unique_ptr<const WasmModule> module(testing::DecodeWasmModuleForTesting( |
| i_isolate, &thrower, buffer.begin(), buffer.end(), kWasmOrigin)); |
| |
| return 0; |
| } |