Bug 298402 – REGRESSION(298805@main?): inspector/worker/dom-debugger-event-after-terminate-crash.html is flaky crash

• Component: JavaScriptCore
• Status: RESOLVED FIXED

[Marta Darbinyan]

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

[Radar WebKit Bug Importer]

<rdar://problem/159864802>

[EWS]

Test gardening commit 299568@main (2759b4f08285): <https://commits.webkit.org/299568@main>

Reviewed commits have been landed. Closing PR #50310 and removing active labels.

[Mark Lam]

Pull request: https://github.com/WebKit/WebKit/pull/51997

[EWS]

Committed 301218@main (75aed5e343cd): <https://commits.webkit.org/301218@main>

Reviewed commits have been landed. Closing PR #51997 and removing active labels.