[Webkit-unassigned] [Bug 187316] New: Youtube video pages crash after a couple of minutes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187316

            Bug ID: 187316
           Summary: Youtube video pages crash after a couple of minutes
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: Media Elements
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org

We hit a crash like this:

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                   0x00007fff3d076004 WebCore::Document::updateLayout() + 116
1   com.apple.WebCore                   0x00007fff3d13297e WebCore::RenderView::hitTest(WebCore::HitTestRequest const&, WebCore::HitTestLocation const&, WebCore::HitTestResult&) + 46
2   com.apple.WebCore                   0x00007fff3df48b26 WebCore::MediaElementSession::updateIsMainContent() const + 518
3   com.apple.WebCore                   0x00007fff3df48367 WebCore::MediaElementSession::playbackPermitted() const + 199
4   com.apple.WebCore                   0x00007fff3df4931a WebCore::MediaElementSession::canShowControlsManager(WebCore::MediaElementSession::PlaybackControlsPurpose) const + 794
5   com.apple.WebCore                   0x00007fff3decb910 WebCore::HTMLMediaElement::bestMediaElementForShowingPlaybackControlsManager(WebCore::MediaElementSession::PlaybackControlsPurpose) + 208
6   com.apple.WebCore                   0x00007fff3dedb242 WebCore::HTMLMediaElement::stopWithoutDestroyingMediaPlayer() + 210
7   com.apple.WebCore                   0x00007fff3d115ee8 WebCore::HTMLMediaElement::stop() + 120
8   com.apple.WebCore                   0x00007fff3d03c0de WebCore::ScriptExecutionContext::stopActiveDOMObjects() + 494
9   com.apple.WebCore                   0x00007fff3d03b93b WebCore::Document::prepareForDestruction() + 763
10  com.apple.WebCore                   0x00007fff3e0f1915 WebCore::Frame::setView(WTF::RefPtr<WebCore::FrameView, WTF::DumbPtrTraits<WebCore::FrameView> >&&) + 245
11  com.apple.WebCore                   0x00007fff3d0899a4 WebCore::FrameLoader::detachFromParent() + 436
12  com.apple.WebCore                   0x00007fff3cffe59f WebCore::FrameLoader::detachChildren() + 351
13  com.apple.WebCore                   0x00007fff3d089885 WebCore::FrameLoader::detachFromParent() + 149
14  com.apple.WebCore                   0x00007fff3d0cdcc4 WebCore::FrameLoader::frameDetached() + 196
15  com.apple.WebCore                   0x00007fff3d0cdbb3 WebCore::HTMLFrameOwnerElement::disconnectContentFrame() + 35
16  com.apple.WebCore                   0x00007fff3dd2bdc8 WebCore::disconnectSubframes(WebCore::ContainerNode&, WebCore::SubframeDisconnectPolicy) + 216
17  com.apple.WebCore                   0x00007fff3dd28659 WebCore::ContainerNode::removeChild(WebCore::Node&) + 217
18  com.apple.WebCore                   0x00007fff3dd94bdb WebCore::Node::removeChild(WebCore::Node&) + 43
19  com.apple.WebCore                   0x00007fff3d08377e WebCore::jsNodePrototypeFunctionRemoveChild(JSC::ExecState*) + 238


<rdar://problem/41538778>

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