| // 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 <limits.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "include/v8.h" |
| #include "src/heap/factory.h" |
| #include "src/isolate-inl.h" |
| #include "src/objects-inl.h" |
| #include "src/wasm/wasm-engine.h" |
| #include "src/wasm/wasm-module.h" |
| #include "test/common/wasm/flag-utils.h" |
| #include "test/common/wasm/wasm-module-runner.h" |
| #include "test/fuzzer/fuzzer-support.h" |
| #include "test/fuzzer/wasm-fuzzer-common.h" |
| |
| namespace i = v8::internal; |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| i::FlagScope<uint32_t> max_mem_flag_scope(&i::FLAG_wasm_max_mem_pages, 32); |
| i::FlagScope<uint32_t> max_table_size_scope(&i::FLAG_wasm_max_table_size, |
| 100); |
| v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); |
| v8::Isolate* isolate = support->GetIsolate(); |
| i::Isolate* i_isolate = reinterpret_cast<i::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); |
| i::wasm::testing::SetupIsolateForWasmModule(i_isolate); |
| i::wasm::ModuleWireBytes wire_bytes(data, data + size); |
| |
| i::HandleScope scope(i_isolate); |
| i::wasm::ErrorThrower thrower(i_isolate, "wasm fuzzer"); |
| i::Handle<i::WasmModuleObject> module_object; |
| auto enabled_features = i::wasm::WasmFeaturesFromIsolate(i_isolate); |
| bool compiles = |
| i_isolate->wasm_engine() |
| ->SyncCompile(i_isolate, enabled_features, &thrower, wire_bytes) |
| .ToHandle(&module_object); |
| |
| if (i::FLAG_wasm_fuzzer_gen_test) { |
| i::wasm::fuzzer::GenerateTestCase(i_isolate, wire_bytes, compiles); |
| } |
| |
| if (compiles) { |
| i::wasm::fuzzer::InterpretAndExecuteModule(i_isolate, module_object); |
| } |
| return 0; |
| } |