216164 2020-09-03 19:40:33 -0700 ASSERTION FAILED: !needsLayout() on html5lib/generated/run-template-data.html 2020-09-04 09:47:22 -0700 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 rackler webkit-unassigned bfulgham rniwa simon.fraser webkit-bot-watchers-bugzilla webkit-bug-importer zalan oldest_to_newest 1685539 0 rackler 2020-09-03 19:40:33 -0700 Description: html5lib/generated/run-template-data.html The first crash that I see this on the dashboard was 03/31/20 at r259295, but does not appear to be relevant to have caused this. History: https://results.webkit.org/?suite=layout-tests&test=html5lib%2Fgenerated%2Frun-template-data.html&limit=50000&style=debug&version_name=Catalina Crash Log: Application Specific Information: CRASHING TEST: html5lib/generated/run-template-data.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x000000074023dd1e WTFCrash + 14 (Assertions.cpp:295) 1 com.apple.WebCore 0x00000007210470bb WTFCrashWithInfo(int, char const*, char const*, int) + 27 2 com.apple.WebCore 0x000000072581a19b WebCore::RenderView::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 123 (RenderView.cpp:306) 3 com.apple.WebCore 0x00000007256c31d8 WebCore::RenderLayer::paintBackgroundForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WebCore::GraphicsContext&, WebCore::GraphicsContext&, WebCore::LayoutRect const&, bool, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::RenderObject*) + 648 (RenderLayer.cpp:5058) 4 com.apple.WebCore 0x00000007256bf36f WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>) + 2607 (RenderLayer.cpp:4705) 5 com.apple.WebCore 0x00000007256e2e9d WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext*)::$_21::operator()(WebCore::RenderLayer&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>) const + 397 (RenderLayerBacking.cpp:3027) 6 com.apple.WebCore 0x00000007256e27b5 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext*) + 533 (RenderLayerBacking.cpp:3042) 7 com.apple.WebCore 0x00000007256e37b1 WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) + 753 (RenderLayerBacking.cpp:3308) 8 com.apple.WebCore 0x00000007250b1a90 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) + 224 (GraphicsLayer.cpp:518) 9 com.apple.WebCore 0x0000000725140575 WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) + 517 (GraphicsLayerCA.cpp:1692) 10 com.apple.WebCore 0x0000000722bff94f WebCore::PlatformCALayer::drawLayerContents(WebCore::GraphicsContext&, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, unsigned int) + 991 (PlatformCALayerCocoa.mm:1202) 11 com.apple.WebCore 0x000000072518b230 WebCore::TileGrid::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) + 320 (TileGrid.cpp:734) 1685540 1 webkit-bug-importer 2020-09-03 19:40:57 -0700 <rdar://problem/68317956> 1685545 2 rackler 2020-09-03 20:04:35 -0700 I have marked this test as crashing while this issue is investigated. https://trac.webkit.org/changeset/266574/webkit