http/tests/workers/service/postmessage-after-terminating-hung-worker.html is randomly crashing recently https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fworkers%2Fservice%2Fpostmessage-after-terminating-hung-worker.html This seems to be the first crash test run. Buildbot: builder Apple-iOS-16-Simulator-Debug-WK2-Tests build 1207 (264242@main) https://build.webkit.org/#/builders/663/builds/1207 No crash log found for com.apple.WebKit.Networking.Development:47779. stdout: stderr: ASSERTION FAILED: state == ServiceWorkerState::Activating /Volumes/Data/worker/Apple-iOS-16-Simulator-Debug-Build/build/Source/WebCore/workers/service/server/SWServerWorker.cpp(216) : void WebCore::SWServerWorker::didFinishActivation() 1 0x10e9e9df8 WTFCrash 2 0x14a647260 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>>, 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 0x14d4af31c WebCore::SWServerWorker::didFinishActivation() 4 0x14d4af210 WebCore::SWServerToContextConnection::didFinishActivation(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>) 5 0x135b100ac auto void IPC::callMemberFunction<WebKit::WebSWServerToContextConnection, WebCore::SWServerToContextConnection, void (WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>>(WebKit::WebSWServerToContextConnection*, void (WebCore::SWServerToContextConnection::*)(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>&&)::'lambda'(auto&&...)::operator()<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>(auto&&...) const 6 0x135b10014 decltype(std::declval<WebKit::WebSWServerToContextConnection>()(std::declval<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>())) std::__1::__invoke[abi:v15006]<void IPC::callMemberFunction<WebKit::WebSWServerToContextConnection, WebCore::SWServerToContextConnection, void (WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>>(WebKit::WebSWServerToContextConnection*, void (WebCore::SWServerToContextConnection::*)(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>&&)::'lambda'(auto&&...), WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>(WebKit::WebSWServerToContextConnection&&, WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>&&) 7 0x135b0ffe8 decltype(auto) std::__1::__apply_tuple_impl[abi:v15006]<void IPC::callMemberFunction<WebKit::WebSWServerToContextConnection, WebCore::SWServerToContextConnection, void (WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>>(WebKit::WebSWServerToContextConnection*, void (WebCore::SWServerToContextConnection::*)(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>&&)::'lambda'(auto&&...), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>, 0ul>(WebKit::WebSWServerToContextConnection&&, WebCore::SWServerToContextConnection&&, std::__1::__tuple_indices<0ul>) 8 0x135b0ffac decltype(auto) std::__1::apply[abi:v15006]<void IPC::callMemberFunction<WebKit::WebSWServerToContextConnection, WebCore::SWServerToContextConnection, void (WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>>(WebKit::WebSWServerToContextConnection*, void (WebCore::SWServerToContextConnection::*)(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>&&)::'lambda'(auto&&...), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>>(WebKit::WebSWServerToContextConnection&&, WebCore::SWServerToContextConnection&&) 9 0x135b0fe2c void IPC::callMemberFunction<WebKit::WebSWServerToContextConnection, WebCore::SWServerToContextConnection, void (WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>>(WebKit::WebSWServerToContextConnection*, void (WebCore::SWServerToContextConnection::*)(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>>&&) 10 0x135b0a834 void IPC::handleMessage<Messages::WebSWServerToContextConnection::DidFinishActivation, WebKit::WebSWServerToContextConnection, WebCore::SWServerToContextConnection, void (WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>)>(IPC::Connection&, IPC::Decoder&, WebKit::WebSWServerToContextConnection*, void (WebCore::SWServerToContextConnection::*)(WTF::ObjectIdentifierGeneric<WebCore::ServiceWorkerIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits>)) 11 0x135b09f9c WebKit::WebSWServerToContextConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 12 0x133e28944 WebKit::NetworkConnectionToWebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 13 0x135c0a57c IPC::Connection::dispatchMessage(IPC::Decoder&) 14 0x135c0a9ac IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>) 15 0x135c0ace4 IPC::Connection::dispatchOneIncomingMessage() 16 0x135c2722c IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)::$_17::operator()() const 17 0x135c27188 WTF::Detail::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)::$_17, void>::call() 18 0x1106eadec WTF::Function<void ()>::operator()() const 19 0x10eaa41b4 WTF::RunLoop::performWork() 20 0x10eaa87bc WTF::RunLoop::performWork(void*) 21 0x105e15c6c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 22 0x105e15bb4 __CFRunLoopDoSource0 23 0x105e15324 __CFRunLoopDoSources0 24 0x105e0f958 __CFRunLoopRun 25 0x105e0f254 CFRunLoopRunSpecific 26 0x10807b4bc -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 27 0x10807b690 -[NSRunLoop(NSRunLoop) run] 28 0x106f0f080 _xpc_objc_main 29 0x106f1119c xpc_main 30 0x133c8a930 WebKit::XPCServiceMain(int, char const**) 31 0x135bdf274 WKXPCServiceMain com.apple.WebKit.Networking.Development terminated (pid 47779) for reason: crash
The assertion failure is flaky, but very frequent, about half of the time. Looking at commit history, this almost certainly started with 264242@main, there were no related changes before it.
<rdar://problem/111299016>
Pull request: https://github.com/WebKit/WebKit/pull/15321
Committed 265553@main (42b406d0e2bc): <https://commits.webkit.org/265553@main> Reviewed commits have been landed. Closing PR #15321 and removing active labels.