[Webkit-unassigned] [Bug 280425] New: [macOS EWS] ASSERTION FAILED in void WebCore::VideoTrack::clearClient(VideoTrackClient in imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=280425

            Bug ID: 280425
           Summary: [macOS EWS] ASSERTION FAILED in void
                    WebCore::VideoTrack::clearClient(VideoTrackClient in
                    imported/w3c/web-platform-tests/media-source/mediasour
                    ce-activesourcebuffers.html
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: darbinyan at apple.com

Observing multiple PRs are having flaky failure in imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers.html test. 

ASSERTION FAILED: m_clients.contains(client)
/Volumes/Data/worker/macOS-Sonoma-Debug-Build-EWS/build/Source/WebCore/html/track/VideoTrack.cpp(122) : void WebCore::VideoTrack::clearClient(VideoTrackClient &)
1   0x33232aec4 WebCore::VideoTrack::clearClient(WebCore::VideoTrackClient&)
2   0x331fc2a68 WebCore::HTMLMediaElement::removeVideoTrack(WTF::Ref<WebCore::VideoTrack, WTF::RawPtrTraits<WebCore::VideoTrack>, WTF::DefaultRefDerefTraits<WebCore::VideoTrack>>&&)
3   0x330493a44 auto WebCore::MediaSource::removeSourceBufferWithOptionalDestruction(WebCore::SourceBuffer&, bool)::$_21::operator()<WebCore::HTMLMediaElement>(WebCore::HTMLMediaElement&)
4   0x33049399c WTF::Detail::CallableWrapper<WebCore::MediaSource::removeSourceBufferWithOptionalDestruction(WebCore::SourceBuffer&, bool)::$_21, void, WebCore::HTMLMediaElement&>::call(WebCore::HTMLMediaElement&)
5   0x33049acd4 WTF::Function<void (WebCore::HTMLMediaElement&)>::operator()(WebCore::HTMLMediaElement&) const
6   0x33049ac1c WebCore::MediaSource::ensureWeakOnHTMLMediaElementContext(WTF::Function<void (WebCore::HTMLMediaElement&)>&&) const::$_31::operator()()
7   0x33049ab24 WTF::Detail::CallableWrapper<WebCore::MediaSource::ensureWeakOnHTMLMediaElementContext(WTF::Function<void (WebCore::HTMLMediaElement&)>&&) const::$_31, void>::call()
8   0x11891fb84 WTF::Function<void ()>::operator()() const
9   0x11898cdd0 WTF::ensureOnMainThread(WTF::Function<void ()>&&)
10  0x33045ca14 WebCore::MediaSource::ensureWeakOnHTMLMediaElementContext(WTF::Function<void (WebCore::HTMLMediaElement&)>&&) const
11  0x3304628a0 WebCore::MediaSource::removeSourceBufferWithOptionalDestruction(WebCore::SourceBuffer&, bool)
12  0x330462448 WebCore::MediaSource::removeSourceBuffer(WebCore::SourceBuffer&)
13  0x33045cc38 WebCore::MediaSource::detachFromElement()
14  0x3304661c8 WebCore::MediaSourceInterfaceMainThread::detachFromElement()
15  0x331fb171c WebCore::HTMLMediaElement::detachMediaSource()
16  0x331fb0bb0 WebCore::HTMLMediaElement::~HTMLMediaElement()
17  0x3320956d8 WebCore::HTMLVideoElement::~HTMLVideoElement()
18  0x332095794 WebCore::HTMLVideoElement::~HTMLVideoElement()
19  0x3320959c8 WebCore::HTMLVideoElement::operator delete(WebCore::HTMLVideoElement*, std::destroying_delete_t, unsigned long)
20  0x33209592c WebCore::HTMLVideoElement::~HTMLVideoElement()
21  0x331b9d5f8 WebCore::Node::removedLastRef()
22  0x32d62fc7c WebCore::Node::deref() const
23  0x32dc1976c WebCore::EventTarget::deref()
24  0x32dc196f4 WTF::DefaultRefDerefTraits<WebCore::EventTarget>::derefIfNotNull(WebCore::EventTarget*)
25  0x32dc19688 WTF::Ref<WebCore::EventTarget, WTF::RawPtrTraits<WebCore::EventTarget>, WTF::DefaultRefDerefTraits<WebCore::EventTarget>>::~Ref()
26  0x32dc193a4 WTF::Ref<WebCore::EventTarget, WTF::RawPtrTraits<WebCore::EventTarget>, WTF::DefaultRefDerefTraits<WebCore::EventTarget>>::~Ref()
27  0x32e498290 WebCore::JSDOMWrapper<WebCore::EventTarget, WTF::RawPtrTraits<WebCore::EventTarget>>::~JSDOMWrapper()
28  0x32e498260 WebCore::JSEventTarget::~JSEventTarget()
29  0x32e3ecd48 WebCore::JSEventTarget::~JSEventTarget()
30  0x32e37b164 WebCore::JSEventTarget::destroy(JSC::JSCell*)
31  0x11a76459c JSC::JSDestructibleObjectDestroyFunc::operator()(JSC::VM&, JSC::JSCell*) const
com.apple.WebKit.WebContent.Development terminated (pid 16272) for reason: crash
LEAK: 1 WebPageProxy

Link:
https://ews-build.s3-us-west-2.amazonaws.com/macOS-Sonoma-Debug-WK2-Tests-EWS/16046a76-16591/results.html

History: 
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fmedia-source%2Fmediasource-activesourcebuffers.html

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