298402 2025-09-04 10:22:49 -0700 REGRESSION(298805@main?): inspector/worker/dom-debugger-event-after-terminate-crash.html is flaky crash 2025-10-08 11:21:38 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=299131 InRadar P2 Normal --- 1 darbinyan mark.lam mark.lam webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2140970 0 darbinyan 2025-09-04 10:22:49 -0700 The following test is flaky crash in macOS both in debug and release. The crashes started after 298805@main. inspector/worker/dom-debugger-event-after-terminate-crash.html Thread 9 Crashed:: Dispatch queue: 0 com.apple.JavaScriptCore 0x105e8f730 JSC::ShadowChicken::update(JSC::VM&, JSC::CallFrame*) (.cold.3) 1 com.apple.JavaScriptCore 0x10549d490 JSC::ShadowChicken::update(JSC::VM&, JSC::CallFrame*) 2 com.apple.JavaScriptCore 0x105500170 JSC::genericUnwind(JSC::VM&, JSC::CallFrame*) 3 com.apple.JavaScriptCore 0x1056080e8 llint_slow_path_handle_exception 4 com.apple.JavaScriptCore 0x105ed3bdc llint_entry 5 com.apple.JavaScriptCore 0x105ebf0b4 vmEntryToJavaScript 6 com.apple.JavaScriptCore 0x10549b14c JSC::Interpreter::executeCall(JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) 7 com.apple.JavaScriptCore 0x10568ef10 JSC::profiledCall(JSC::JSGlobalObject*, JSC::ProfilingReason, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) 8 com.apple.WebCore 0x11e8b7220 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) 9 com.apple.WebCore 0x11ecf33f0 WebCore::EventTarget::innerInvokeEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener, WTF::RawPtrTraits<WebCore::RegisteredEventListener>, WTF::DefaultRefDerefTraits<WebCore::RegisteredEventListener>>, 1ul, WTF::CrashOnOverflow, 2ul, WTF::FastMalloc>, WebCore::EventTarget::EventInvokePhase) 10 com.apple.WebCore 0x11ece9a0c WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase) 11 com.apple.WebCore 0x11ecf3094 WebCore::EventTarget::dispatchEvent(WebCore::Event&) 12 com.apple.WebCore 0x11fdbe104 WTF::Detail::CallableWrapper<WebCore::WorkerMessagingProxy::postMessageToWorkerGlobalScope(WebCore::MessageWithMessagePorts&&)::$_28, void, WebCore::ScriptExecutionContext&>::call(WebCore::ScriptExecutionContext&) 13 com.apple.WebCore 0x11fdc3c9c WebCore::WorkerDedicatedRunLoop::Task::performTask(WebCore::WorkerOrWorkletGlobalScope*) 14 com.apple.WebCore 0x11fdc36d8 WebCore::WorkerDedicatedRunLoop::runInMode(WebCore::WorkerOrWorkletGlobalScope*, WebCore::ModePredicate const&) 15 com.apple.WebCore 0x11fdc1f58 WebCore::WorkerDedicatedRunLoop::run(WebCore::WorkerOrWorkletGlobalScope*) 16 com.apple.WebCore 0x11fdc1e58 WebCore::WorkerOrWorkletThread::runEventLoop() 17 com.apple.WebCore 0x11fdc26a0 WebCore::WorkerOrWorkletThread::workerOrWorkletThread() 18 com.apple.JavaScriptCore 0x104915204 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) 19 com.apple.JavaScriptCore 0x104917628 WTF::wtfThreadEntryPoint(void*) 20 libsystem_pthread.dylib 0x183449f94 _pthread_start + 136 /AppleInternal/Library/BuildRoots/289ffcb4-455d-11ef-953d-e2437461156c/Library/Caches/com.apple.xbs/Sources/libpthread/src/pthread.c:931 21 libsystem_pthread.dylib 0x183444d34 thread_start + 8 Test result: https://ews-build.webkit.org/#/builders/136/builds/23088 Test history: https://results.webkit.org/?suite=layout-tests&test=inspector%2Fworker%2Fdom-debugger-event-after-terminate-crash.html 2140971 1 webkit-bug-importer 2025-09-04 10:24:21 -0700 <rdar://problem/159864802> 2140985 2 ews-feeder 2025-09-04 10:47:44 -0700 Test gardening commit 299568@main (2759b4f08285): <https://commits.webkit.org/299568@main> Reviewed commits have been landed. Closing PR #50310 and removing active labels. 2149395 3 mark.lam 2025-10-08 00:44:11 -0700 Pull request: https://github.com/WebKit/WebKit/pull/51997 2149509 4 ews-feeder 2025-10-08 11:21:33 -0700 Committed 301218@main (75aed5e343cd): <https://commits.webkit.org/301218@main> Reviewed commits have been landed. Closing PR #51997 and removing active labels.