NEW258184
ASSERTION FAILED: firstChild():[ macOS ] 3x media/track/ tests are flaky crashes. 
https://bugs.webkit.org/show_bug.cgi?id=258184
Summary ASSERTION FAILED: firstChild():[ macOS ] 3x media/track/ tests are flaky cras...
Bri Harris
Reported 2023-06-15 20:16:58 PDT
The following 2 layout tests: media/track/track-webvtt-no-snap-to-lines-overlap.html media/track/track-webvtt-snap-to-lines-left-right.html are flaky crashes on macOS Debug queues. HISTORY: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=media%2Ftrack%2Ftrack-webvtt-no-snap-to-lines-overlap.html&test=media%2Ftrack%2Ftrack-webvtt-snap-to-lines-left-right.html STDERR TEXT: ASSERTION FAILED: firstChild() /Volumes/Data/worker/Apple-Ventura-Debug-Build/build/Source/WebCore/rendering/RenderVTTCue.cpp(79) : bool WebCore::RenderVTTCue::initializeLayoutParameters(WebCore::LayoutUnit &, WebCore::LayoutUnit &) 1 0x151cd6060 WTFCrash 2 0x107fd9fe0 WebCore::NetworkResourcesData::ResourceData::hasContent() const 3 0x1091c1bfc WebCore::RenderVTTCue::initializeLayoutParameters(WebCore::LayoutUnit&, WebCore::LayoutUnit&) 4 0x1091c17a8 WebCore::RenderVTTCue::repositionCueSnapToLinesSet() 5 0x1091c1730 WebCore::RenderVTTCue::layout() 6 0x108241714 WebCore::RenderElement::layoutIfNeeded() 7 0x108f70438 WebCore::RenderBlock::layoutPositionedObject(WebCore::RenderBox&, bool, bool) 8 0x108f6efa8 WebCore::RenderBlock::layoutPositionedObjects(bool, bool) 9 0x108f6eb2c WebCore::RenderBlock::simplifiedLayout() 10 0x108f89288 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 11 0x108f6d164 WebCore::RenderBlock::layout() 12 0x108241714 WebCore::RenderElement::layoutIfNeeded() 13 0x108f70438 WebCore::RenderBlock::layoutPositionedObject(WebCore::RenderBox&, bool, bool) 14 0x108f6efa8 WebCore::RenderBlock::layoutPositionedObjects(bool, bool) 15 0x108f8995c WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 16 0x108f6d164 WebCore::RenderBlock::layout() 17 0x10907d870 WebCore::RenderImage::layoutShadowContent(WebCore::LayoutSize const&) 18 0x10907d450 WebCore::RenderImage::layout() 19 0x1091265d8 WebCore::RenderMedia::layout() 20 0x1091c3d80 WebCore::RenderVideo::layout() 21 0x108241714 WebCore::RenderElement::layoutIfNeeded() 22 0x108f8e378 WebCore::RenderBlockFlow::layoutModernLines(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 23 0x108f8bd70 WebCore::RenderBlockFlow::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 24 0x108f8a2b8 WebCore::RenderBlockFlow::layoutInFlowChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 25 0x108f894b0 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 26 0x108f6d164 WebCore::RenderBlock::layout() 27 0x108f8ce90 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 28 0x108f8c0d0 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) 29 0x108f8a2f4 WebCore::RenderBlockFlow::layoutInFlowChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 30 0x108f894b0 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 31 0x108f6d164 WebCore::RenderBlock::layout() com.apple.WebKit.WebContent.Development terminated (pid 46474) for reason: crash LEAK: 1 WebPageProxy
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Radar WebKit Bug Importer
Comment 1 2023-06-15 20:17:15 PDT
<rdar://problem/110876644>
EWS
Comment 2 2023-06-15 20:43:44 PDT
Test gardening commit 265224@main (a29a6e3119c5): <https://commits.webkit.org/265224@main> Reviewed commits have been landed. Closing PR #15036 and removing active labels.
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