[Webkit-unassigned] [Bug 279463] New: [EWS] imported/w3c/web-platform-tests/media-source/URL-createObjectURL.html is flaky crash

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Sep 10 13:32:35 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=279463

            Bug ID: 279463
           Summary: [EWS]
                    imported/w3c/web-platform-tests/media-source/URL-creat
                    eObjectURL.html is flaky crash
           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

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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