c2843b722cPR-URL: https://github.com/nodejs/node/pull/60111 Reviewed-By: Richard Lau <richard.lau@ibm.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// 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 <stddef.h>
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#include <stdint.h>
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#include "src/execution/isolate.h"
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#include "src/wasm/wasm-module-builder.h"
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#include "test/common/wasm/fuzzer-common.h"
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#include "test/common/wasm/test-signatures.h"
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#include "test/fuzzer/fuzzer-support.h"
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namespace v8::internal::wasm::fuzzing {
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class WasmCodeFuzzer : public WasmExecutionFuzzer {
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bool GenerateModule(Isolate* isolate, Zone* zone,
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base::Vector<const uint8_t> data,
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ZoneBuffer* buffer) override {
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TestSignatures sigs;
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WasmModuleBuilder builder(zone);
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WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
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f->EmitCode(data.begin(), static_cast<uint32_t>(data.size()));
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f->Emit(kExprEnd);
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builder.AddExport(base::CStrVector("main"), f);
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builder.AddMemory(0, 32);
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builder.WriteTo(buffer);
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return true;
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}
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};
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V8_SYMBOL_USED extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) {
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v8_fuzzer::FuzzerSupport::InitializeFuzzerSupport(argc, argv);
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return 0;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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// Differently to fuzzers generating "always valid" wasm modules, also mark
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// invalid modules as interesting to have coverage-guidance for invalid cases.
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USE(WasmCodeFuzzer().FuzzWasmModule({data, size}));
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return 0;
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}
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} // namespace v8::internal::wasm::fuzzing
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