Bug 204321 – http/tests/navigation/page-cache-mediastream.html is a flaky crash

• Status: RESOLVED
• Resolution: FIXED
• Component: Tools / Tests

[Chris Dumez]

http/tests/navigation/page-cache-mediastream.html is a flaky crash:
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore      	0x0000000127159a7e WTFCrash + 14 (Assertions.cpp:305)
1   com.apple.WebCore             	0x000000010e6c96fb WTFCrashWithInfo(int, char const*, char const*, int) + 27
2   com.apple.WebCore             	0x0000000110816057 WebCore::JSEventListener::jsFunction(WebCore::ScriptExecutionContext&) const + 439 (JSEventListener.h:109)
3   com.apple.WebCore             	0x000000011081554d WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) + 205 (JSEventListener.cpp:113)
4   com.apple.WebCore             	0x0000000110e363ed WebCore::EventTarget::innerInvokeEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener, WTF::DumbPtrTraits<WebCore::RegisteredEventListener> >, 1ul, WTF::CrashOnOverflow, 16ul>, WebCore::EventTarget::EventInvokePhase) + 925 (EventTarget.cpp:317)
5   com.apple.WebCore             	0x0000000110e32684 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase) + 356 (EventTarget.cpp:254)
6   com.apple.WebCore             	0x0000000110e35fed WebCore::EventTarget::dispatchEvent(WebCore::Event&) + 333 (EventTarget.cpp:213)
7   com.apple.WebCore             	0x00000001102e1ca5 void WebCore::ActiveDOMObject::queueTaskToDispatchEvent<WebCore::MediaStreamTrack, WebCore::Event>(WebCore::MediaStreamTrack&, WebCore::TaskSource, WTF::Ref<WebCore::Event, WTF::DumbPtrTraits<WebCore::Event> >&&)::'lambda'()::operator()() + 69 (ActiveDOMObject.h:130)
8   com.apple.WebCore             	0x00000001102e1bbe WTF::Detail::CallableWrapper<void WebCore::ActiveDOMObject::queueTaskToDispatchEvent<WebCore::MediaStreamTrack, WebCore::Event>(WebCore::MediaStreamTrack&, WebCore::TaskSource, WTF::Ref<WebCore::Event, WTF::DumbPtrTraits<WebCore::Event> >&&)::'lambda'(), void>::call() + 30 (Function.h:52)
9   com.apple.WebCore             	0x000000010e6d6d52 WTF::Function<void ()>::operator()() const + 130 (Function.h:79)
10  com.apple.WebCore             	0x00000001102e120e void WebCore::ActiveDOMObject::queueTaskKeepingObjectAlive<WebCore::MediaStreamTrack>(WebCore::MediaStreamTrack&, WebCore::TaskSource, WTF::Function<void ()>&&)::'lambda'()::operator()() const + 30 (ActiveDOMObject.h:121)
11  com.apple.WebCore             	0x00000001102e0f3e WTF::Detail::CallableWrapper<void WebCore::ActiveDOMObject::queueTaskKeepingObjectAlive<WebCore::MediaStreamTrack>(WebCore::MediaStreamTrack&, WebCore::TaskSource, WTF::Function<void ()>&&)::'lambda'(), void>::call() + 30 (Function.h:52)
12  com.apple.WebCore             	0x000000010e6d6d52 WTF::Function<void ()>::operator()() const + 130 (Function.h:79)
13  com.apple.WebCore             	0x0000000110f76e8e WebCore::WindowEventLoop::run() + 382 (WindowEventLoop.cpp:110)
14  com.apple.WebCore             	0x0000000110f80b11 WebCore::WindowEventLoop::scheduleToRunIfNeeded()::$_3::operator()() const + 49 (WindowEventLoop.cpp:99)
15  com.apple.WebCore             	0x0000000110f8098e WTF::Detail::CallableWrapper<WebCore::WindowEventLoop::scheduleToRunIfNeeded()::$_3, void>::call() + 30 (Function.h:52)
16  com.apple.JavaScriptCore      	0x00000001271809c2 WTF::Function<void ()>::operator()() const + 130 (Function.h:79)
17  com.apple.JavaScriptCore      	0x00000001271b8269 WTF::dispatchFunctionsFromMainThread() + 281 (MainThread.cpp:94)
18  com.apple.JavaScriptCore      	0x00000001271bae21 WTF::timerFired(__CFRunLoopTimer*, void*) + 49 (MainThreadCocoa.mm:98)

[Chris Dumez]

Created attachment 383794 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 383794 [details]
Patch

Clearing flags on attachment: 383794

Committed r252626: <https://trac.webkit.org/changeset/252626>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/57320089>