[Webkit-unassigned] [Bug 210278] New: [ macOS debug wk2 ] REGRESSION(~r259762): ASSERTION FAILED: !needsLayout() on fast/events/scroll-subframe-in-rendering-update.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210278

            Bug ID: 210278
           Summary: [ macOS debug wk2 ] REGRESSION(~r259762): ASSERTION
                    FAILED: !needsLayout() on
                    fast/events/scroll-subframe-in-rendering-update.html
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jacob_uphoff at apple.com

fast/events/scroll-subframe-in-rendering-update.html

This test started to flaky crash with an assertion failure and first failure was seen on r259732 for macOS debug wk2.

History:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fevents%2Fscroll-subframe-in-rendering-update.html&platform=mac&style=debug&flavor=wk2

Log:

No crash log found for com.apple.WebKit.WebContent.Development:16610.

stdout:

stderr:
ASSERTION FAILED: !needsLayout()
./page/FrameView.cpp(4276) : virtual void WebCore::FrameView::paintContents(WebCore::GraphicsContext &, const WebCore::IntRect &, WebCore::Widget::SecurityOriginPaintPolicy, WebCore::EventRegionContext *)
1   0x27e312cf9 WTFCrash
2   0x260fe0c6b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x2646da016 WebCore::FrameView::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&, WebCore::Widget::SecurityOriginPaintPolicy, WebCore::EventRegionContext*)
4   0x2649522b4 WebCore::ScrollView::paint(WebCore::GraphicsContext&, WebCore::IntRect const&, WebCore::Widget::SecurityOriginPaintPolicy, WebCore::EventRegionContext*)
5   0x2651dc56b WebCore::RenderWidget::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
6   0x2651dce27 WebCore::RenderWidget::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
7   0x265061cd4 WebCore::RenderLayer::collectEventRegionForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&)
8   0x26505dedf WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>)
9   0x2650a9119 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext*)::$_5::operator()(WebCore::RenderLayer&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>) const
10  0x2650a89d2 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext*)
11  0x2650a5da0 WebCore::RenderLayerBacking::updateEventRegion()::$_2::operator()(WebCore::GraphicsLayer&) const
12  0x2650a59c4 WebCore::RenderLayerBacking::updateEventRegion()
13  0x2650b3147 WebCore::RenderLayerCompositor::updateBackingAndHierarchy(WebCore::RenderLayer&, WTF::Vector<WTF::Ref<WebCore::GraphicsLayer, WTF::DumbPtrTraits<WebCore::GraphicsLayer> >, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, WebCore::RenderLayerCompositor::UpdateBackingTraversalState&, WebCore::ScrollingTreeState&, WTF::OptionSet<WebCore::RenderLayerCompositor::UpdateLevel>)
14  0x2650b354e WebCore::RenderLayerCompositor::updateBackingAndHierarchy(WebCore::RenderLayer&, WTF::Vector<WTF::Ref<WebCore::GraphicsLayer, WTF::DumbPtrTraits<WebCore::GraphicsLayer> >, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, WebCore::RenderLayerCompositor::UpdateBackingTraversalState&, WebCore::ScrollingTreeState&, WTF::OptionSet<WebCore::RenderLayerCompositor::UpdateLevel>)
15  0x2650b3602 WebCore::RenderLayerCompositor::updateBackingAndHierarchy(WebCore::RenderLayer&, WTF::Vector<WTF::Ref<WebCore::GraphicsLayer, WTF::DumbPtrTraits<WebCore::GraphicsLayer> >, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, WebCore::RenderLayerCompositor::UpdateBackingTraversalState&, WebCore::ScrollingTreeState&, WTF::OptionSet<WebCore::RenderLayerCompositor::UpdateLevel>)
16  0x2650b0950 WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*)
17  0x2646c90c3 WebCore::FrameView::updateCompositingLayersAfterLayout()
18  0x2646cb997 WebCore::FrameView::didLayout(WTF::WeakPtr<WebCore::RenderElement>)
19  0x2647111a7 WebCore::FrameViewLayoutContext::layout()
20  0x2646a5f25 WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive()
21  0x26473a3ae WebCore::Page::layoutIfNeeded()
22  0x26473a50a WebCore::Page::updateRendering()
23  0x105cc5686 WebKit::WebPage::updateRendering()
24  0x105706854 WebKit::TiledCoreAnimationDrawingArea::updateRendering(WebKit::TiledCoreAnimationDrawingArea::UpdateRenderingType)
25  0x10570b02d WebKit::TiledCoreAnimationDrawingArea::updateRenderingRunLoopCallback()
26  0x10571b318 WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0::operator()() const
27  0x10571b2ce WTF::Detail::CallableWrapper<WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0, void>::call()
28  0x260ff3612 WTF::Function<void ()>::operator()() const
29  0x2649e35c0 WebCore::RunLoopObserver::runLoopObserverFired()
30  0x2649e3520 WebCore::RunLoopObserver::runLoopObserverFired(__CFRunLoopObserver*, unsigned long, void*)
31  0x7fff349984f5 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__
LEAK: 2 WebPageProxy

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