NEW 279463
Flaky ASSERTION FAILED: m_clients.contains(client) in VideoTrack::clearClient on imported/w3c/web-platform-tests/media-source/URL-createObjectURL.html 
https://bugs.webkit.org/show_bug.cgi?id=279463
Summary Flaky ASSERTION FAILED: m_clients.contains(client) in VideoTrack::clearClient...
Marta Darbinyan
Reported 2024-09-10 13:32:35 PDT
The test is crashing intermittently on different PRs in EWS imported/w3c/web-platform-tests/media-source/URL-createObjectURL.html Error output: 07:50:19.843 1001 worker/0 worker/0 imported/w3c/web-platform-tests/media-source/URL-createObjectURL.html crashed, (stderr lines): 07:50:19.843 1001 worker/0 ASSERTION FAILED: m_clients.contains(client) 07:50:19.843 1001 worker/0 /Volumes/Data/worker/macOS-Sonoma-Debug-Build-EWS/build/Source/WebCore/html/track/VideoTrack.cpp(122) : void WebCore::VideoTrack::clearClient(VideoTrackClient &) 07:50:19.843 1001 worker/0 1 0x3340a4fb8 WebCore::VideoTrack::clearClient(WebCore::VideoTrackClient&) 07:50:19.843 1001 worker/0 2 0x333d3c4fc WebCore::HTMLMediaElement::removeVideoTrack(WTF::Ref<WebCore::VideoTrack, WTF::RawPtrTraits<WebCore::VideoTrack>, WTF::DefaultRefDerefTraits<WebCore::VideoTrack>>&&) 07:50:19.844 1001 worker/0 3 0x3321bac78 auto WebCore::MediaSource::removeSourceBuffer(WebCore::SourceBuffer&)::$_21::operator()<WebCore::HTMLMediaElement>(WebCore::HTMLMediaElement&) 07:50:19.844 1001 worker/0 4 0x3321babd0 WTF::Detail::CallableWrapper<WebCore::MediaSource::removeSourceBuffer(WebCore::SourceBuffer&)::$_21, void, WebCore::HTMLMediaElement&>::call(WebCore::HTMLMediaElement&) 07:50:19.844 1001 worker/0 5 0x3321c1fc4 WTF::Function<void (WebCore::HTMLMediaElement&)>::operator()(WebCore::HTMLMediaElement&) const 07:50:19.844 1001 worker/0 6 0x3321c1eb4 WebCore::MediaSource::ensureWeakOnHTMLMediaElementContext(WTF::Function<void (WebCore::HTMLMediaElement&)>&&) const::$_31::operator()() 07:50:19.844 1001 worker/0 7 0x3321c1dbc WTF::Detail::CallableWrapper<WebCore::MediaSource::ensureWeakOnHTMLMediaElementContext(WTF::Function<void (WebCore::HTMLMediaElement&)>&&) const::$_31, void>::call() 07:50:19.844 1001 worker/0 8 0x118ec4ee0 WTF::Function<void ()>::operator()() const 07:50:19.844 1001 worker/0 9 0x118f34868 WTF::ensureOnMainThread(WTF::Function<void ()>&&) 07:50:19.844 1001 worker/0 10 0x332184fe0 WebCore::MediaSource::ensureWeakOnHTMLMediaElementContext(WTF::Function<void (WebCore::HTMLMediaElement&)>&&) const 07:50:19.844 1001 worker/0 11 0x33218a670 WebCore::MediaSource::removeSourceBuffer(WebCore::SourceBuffer&) 07:50:19.844 1001 worker/0 12 0x332185148 WebCore::MediaSource::detachFromElement() 07:50:19.844 1001 worker/0 13 0x33218df5c WebCore::MediaSourceInterfaceMainThread::detachFromElement() Link: https://ews-build.webkit.org/#/builders/62/builds/14462 The test is failing on EWS and not on main. Suspecting this is the case when the test crashes in some specific test order.
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Radar WebKit Bug Importer
Comment 1 2024-09-10 13:36:12 PDT
<rdar://problem/135745679>
EWS
Comment 2 2024-09-17 13:51:26 PDT
Test gardening commit 283796@main (e54e07683f63): <https://commits.webkit.org/283796@main> Reviewed commits have been landed. Closing PR #33785 and removing active labels.
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