268801 2024-02-05 22:07:16 -0800 Flaky crash under MessagePort::messageAvailable() in Debug 2024-02-05 22:12:40 -0800 1 1 1 Unclassified WebKit WebCore Misc. WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 268802 P2 Normal --- 1 cdumez cdumez jean-yves.avenard oldest_to_newest 2010897 0 cdumez 2024-02-05 22:07:16 -0800 Flaky crash under MessagePort::messageAvailable() in Debug: ``` 1 0x138265270 WTFCrash 2 0x282d54150 WebCore::AudioWorkletProcessor::buildJSArguments(JSC::VM&, JSC::JSGlobalObject&, JSC::MarkedVector<JSC::JSValue, 8ul, WTF::RecordOverflow>&, WTF::Vector<WTF::RefPtr<WebCore::AudioBus, WTF::RawPtrTraits<WebCore::AudioBus>, WTF::DefaultRefDerefTraits<WebCore::AudioBus>>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::Vector<WTF::Ref<WebCore::AudioBus, WTF::RawPtrTraits<WebCore::AudioBus>, WTF::DefaultRefDerefTraits<WebCore::AudioBus>>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, WTF::HashMap<WTF::String, std::__1::unique_ptr<WebCore::AudioArray<float>, std::__1::default_delete<WebCore::AudioArray<float>>>, WTF::DefaultHash<WTF::String>, WTF::HashTraits<WTF::String>, WTF::HashTraits<std::__1::unique_ptr<WebCore::AudioArray<float>, std::__1::default_delete<WebCore::AudioArray<float>>>>, WTF::MemoryCompactLookupOnlyRobinHoodHashTableTraits> const&) 3 0x28328eb70 WebCore::Node::refAllowingPartiallyDestroyed() const 4 0x28018c600 WebCore::Node::ref() const 5 0x283db7ef0 WebCore::ScriptExecutionContext::ref() 6 0x282d96f64 WTF::DefaultRefDerefTraits<WebCore::ScriptExecutionContext>::refIfNotNull(WebCore::ScriptExecutionContext*) 7 0x2832feba4 WTF::RefPtr<WebCore::ScriptExecutionContext, WTF::RawPtrTraits<WebCore::ScriptExecutionContext>, WTF::DefaultRefDerefTraits<WebCore::ScriptExecutionContext>>::RefPtr(WebCore::ScriptExecutionContext*) 8 0x282d5cf84 WTF::RefPtr<WebCore::ScriptExecutionContext, WTF::RawPtrTraits<WebCore::ScriptExecutionContext>, WTF::DefaultRefDerefTraits<WebCore::ScriptExecutionContext>>::RefPtr(WebCore::ScriptExecutionContext*) 9 0x283d10798 WebCore::MessagePort::messageAvailable() 10 0x283d1ffb4 auto WebCore::MessagePort::notifyMessageAvailable(WebCore::MessagePortIdentifier const&)::$_7::operator()<WebCore::ScriptExecutionContext>(WebCore::ScriptExecutionContext&) const 11 0x283d1fedc WTF::Detail::CallableWrapper<WebCore::MessagePort::notifyMessageAvailable(WebCore::MessagePortIdentifier const&)::$_7, void, WebCore::ScriptExecutionContext&>::call(WebCore::ScriptExecutionContext&) 12 0x28259db98 WTF::Function<void (WebCore::ScriptExecutionContext&)>::operator()(WebCore::ScriptExecutionContext&) const 13 0x282ec57a0 WebCore::ScriptExecutionContext::Task::performTask(WebCore::ScriptExecutionContext&) 14 0x285f81290 WebCore::WorkerDedicatedRunLoop::Task::performTask(WebCore::WorkerOrWorkletGlobalScope*) 15 0x285f80758 WebCore::WorkerDedicatedRunLoop::runInMode(WebCore::WorkerOrWorkletGlobalScope*, WebCore::ModePredicate const&) 16 0x285f7ed90 WebCore::WorkerDedicatedRunLoop::run(WebCore::WorkerOrWorkletGlobalScope*) 17 0x285f7ed14 WebCore::WorkerOrWorkletThread::runEventLoop() 18 0x285f7f0a4 WebCore::WorkerOrWorkletThread::workerOrWorkletThread() ``` 2010901 1 cdumez 2024-02-05 22:12:40 -0800 *** This bug has been marked as a duplicate of bug 268802 ***