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63 lines
2.0 KiB
63 lines
2.0 KiB
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/fuzzer/wasm-section-fuzzers.h"
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#include "include/v8.h"
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#include "src/isolate.h"
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#include "src/wasm/wasm-module-builder.h"
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#include "src/wasm/wasm-module.h"
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#include "src/zone/accounting-allocator.h"
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#include "src/zone/zone.h"
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#include "test/common/wasm/wasm-module-runner.h"
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#include "test/fuzzer/fuzzer-support.h"
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using namespace v8::internal::wasm;
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static const char* kNameString = "name";
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static const size_t kNameStringLength = 4;
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int fuzz_wasm_section(WasmSectionCode section, const uint8_t* data,
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size_t size) {
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v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
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v8::Isolate* isolate = support->GetIsolate();
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v8::internal::Isolate* i_isolate =
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reinterpret_cast<v8::internal::Isolate*>(isolate);
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// Clear any pending exceptions from a prior run.
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if (i_isolate->has_pending_exception()) {
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i_isolate->clear_pending_exception();
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}
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v8::Isolate::Scope isolate_scope(isolate);
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v8::HandleScope handle_scope(isolate);
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v8::Context::Scope context_scope(support->GetContext());
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v8::TryCatch try_catch(isolate);
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v8::internal::AccountingAllocator allocator;
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v8::internal::Zone zone(&allocator);
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ZoneBuffer buffer(&zone);
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buffer.write_u32(kWasmMagic);
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buffer.write_u32(kWasmVersion);
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if (section == kNameSectionCode) {
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buffer.write_u8(kUnknownSectionCode);
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buffer.write_size(size + kNameStringLength + 1);
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buffer.write_u8(kNameStringLength);
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buffer.write(reinterpret_cast<const uint8_t*>(kNameString),
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kNameStringLength);
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buffer.write(data, size);
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} else {
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buffer.write_u8(section);
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buffer.write_size(size);
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buffer.write(data, size);
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}
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ErrorThrower thrower(i_isolate, "decoder");
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std::unique_ptr<const WasmModule> module(testing::DecodeWasmModuleForTesting(
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i_isolate, &zone, &thrower, buffer.begin(), buffer.end(), kWasmOrigin));
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return 0;
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}
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