Bug 280646 – [macOS Debug EWS] media/video-webkit-playsinline.html is a flaky crash : ASSERTION FAILED: m_wrapper

• Component: New Bugs
• Status: REOPENED

[Marta Darbinyan]

The following test is a flaky crash in macOS Debug on main and appear as flaky tests in EWS. The regression is not clear since it has been crashing for a while. 

media/video-webkit-playsinline.html

Error log:
Thread 0 Crashed::   Dispatch queue: com.apple.main-thread
0   com.apple.WebCore             	       0x32d9509a0 WTFCrashWithInfo(int, char const*, char const*, int)
1   com.apple.WebCore             	       0x33123b1a0 WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext&) const
2   com.apple.WebCore             	       0x3312aef30 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&)
3   com.apple.WebCore             	       0x332000120 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)
4   com.apple.WebCore             	       0x331fffaf0 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase)
5   com.apple.WebCore             	       0x331fecbbc WebCore::EventContext::handleLocalEvents(WebCore::Event&, WebCore::EventTarget::EventInvokePhase) const
6   com.apple.WebCore             	       0x331feded0 WebCore::dispatchEventInDOM(WebCore::Event&, WebCore::EventPath const&)
7   com.apple.WebCore             	       0x331fed6c0 WebCore::EventDispatcher::dispatchEvent(WebCore::Node&, WebCore::Event&)
8   com.apple.WebCore             	       0x3320a6fa0 WebCore::Node::dispatchEvent(WebCore::Event&)
9   com.apple.WebCore             	       0x3324e2a40 WebCore::HTMLMediaElement::dispatchEvent(WebCore::Event&)
10  com.apple.WebCore             	       0x331dc654c WebCore::ActiveDOMObject::queueCancellableTaskToDispatchEventInternal(WebCore::EventTarget&, WebCore::TaskSource, WTF::TaskCancellationGroup&, WTF::Ref<WebCore::Event, WTF::RawPtrTraits<WebCore::Event>, WTF::DefaultRefDerefTraits<WebCore::Event>>&&)::$_6::operator()() const
11  com.apple.WebCore             	       0x331dc6470 WTF::Detail::CallableWrapper<WebCore::ActiveDOMObject::queueCancellableTaskToDispatchEventInternal(WebCore::EventTarget&, WebCore::TaskSource, WTF::TaskCancellationGroup&, WTF::Ref<WebCore::Event, WTF::RawPtrTraits<WebCore::Event>, WTF::DefaultRefDerefTraits<WebCore::Event>>&&)::$_6, void>::call()
12  com.apple.WebCore             	       0x32d97e5dc WTF::Function<void ()>::operator()() const
13  com.apple.WebCore             	       0x3310f1ae0 WTF::CancellableTask::operator()()
14  com.apple.WebCore             	       0x3310f1928 WTF::Detail::CallableWrapper<WTF::CancellableTask, void>::call()
15  com.apple.WebCore             	       0x32d97e5dc WTF::Function<void ()>::operator()() const
16  com.apple.WebCore             	       0x331dc1f44 WebCore::ActiveDOMObjectEventDispatchTask::execute()
17  com.apple.WebCore             	       0x331ff82b8 WebCore::EventLoop::run(std::__1::optional<WTF::ApproximateTime>)
18  com.apple.WebCore             	       0x3321c425c WebCore::WindowEventLoop::didReachTimeToRun()
19  com.apple.WebCore             	       0x3321cca5c decltype(*std::declval<WebCore::WindowEventLoop*&>().*std::declval<void (WebCore::WindowEventLoop::*&)()>()()) std::__1::__invoke[abi:sn170006]<void (WebCore::WindowEventLoop::*&)(), WebCore::WindowEventLoop*&, void>(void (WebCore::WindowEventLoop::*&)(), WebCore::WindowEventLoop*&)
20  com.apple.WebCore             	       0x3321cc9dc std::__1::__bind_return<void (WebCore::WindowEventLoop::*)(), std::__1::tuple<WebCore::WindowEventLoop*>, std::__1::tuple<>, __is_valid_bind_return<void (WebCore::WindowEventLoop::*)(), std::__1::tuple<WebCore::WindowEventLoop*>, std::__1::tuple<>>::value>::type std::__1::__apply_functor[abi:sn170006]<void (WebCore::WindowEventLoop::*)(), std::__1::tuple<WebCore::WindowEventLoop*>, 0ul, std::__1::tuple<>>(void (WebCore::WindowEventLoop::*&)(), std::__1::tuple<WebCore::WindowEventLoop*>&, std::__1::__tuple_indices<0ul>, std::__1::tuple<>&&)

Link:
https://ews-build.webkit.org/#/builders/62/builds/16895


History:
https://results.webkit.org/?suite=layout-tests&test=media%2Fvideo-webkit-playsinline.html&style=debug

[Radar WebKit Bug Importer]

<rdar://problem/137002227>

[EWS]

Committed 284469@main (8c1c90778872): <https://commits.webkit.org/284469@main>

Reviewed commits have been landed. Closing PR #34474 and removing active labels.

[Fujii Hironori]

https://ews-build.s3-us-west-2.amazonaws.com/macOS-Sonoma-Debug-WK2-Tests-EWS/472731-16895/media/video-webkit-playsinline-stderr.txt

> ASSERTION FAILED: m_wrapper