[Webkit-unassigned] [Bug 207274] New: [ iPadOS wk2 Debug ] compositing/shared-backing/sharing-child-contributes-to-overlap.html is flaky crashing.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Feb 5 09:57:33 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=207274
Bug ID: 207274
Summary: [ iPadOS wk2 Debug ]
compositing/shared-backing/sharing-child-contributes-t
o-overlap.html is flaky crashing.
Product: WebKit
Version: WebKit Nightly Build
Hardware: iPhone / iPad
OS: iOS 13
Status: NEW
Severity: Normal
Priority: P2
Component: Compositing
Assignee: webkit-unassigned at lists.webkit.org
Reporter: Lawrence.j at apple.com
compositing/shared-backing/sharing-child-contributes-to-overlap.html
Description:
This test is flaky crashing on iPadOS wk2 debug.
History:
https://results.webkit.org/?suite=layout-tests&test=compositing%2Fshared-backing%2Fsharing-child-contributes-to-overlap.html&platform=ios&model=iPad%20(5th%20generation)&model=iPad%20Pro%20(9.7-inch)&style=debug&limit=50000
Crash log:
No crash log found for com.apple.WebKit.WebContent.Development:70943.
stdout:
stderr:
ASSERTION FAILED: entry.clipData.clippingLayer->isComposited()
./rendering/RenderLayerCompositor.cpp(4580) : WebCore::ScrollingNodeID WebCore::RenderLayerCompositor::updateScrollingNodeForScrollingProxyRole(WebCore::RenderLayer &, WebCore::ScrollingTreeState &, OptionSet<WebCore::RenderLayerCompositor::ScrollingNodeChangeFlags>)
1 0x59308e409 WTFCrash
2 0x59846a71b WTFCrashWithInfo(int, char const*, char const*, int)
3 0x59c018ceb WebCore::RenderLayerCompositor::updateScrollingNodeForScrollingProxyRole(WebCore::RenderLayer&, WebCore::ScrollingTreeState&, WTF::OptionSet<WebCore::RenderLayerCompositor::ScrollingNodeChangeFlags>)
4 0x59c00e45c WebCore::RenderLayerCompositor::updateScrollCoordinationForLayer(WebCore::RenderLayer&, WebCore::RenderLayer const*, WebCore::ScrollingTreeState&, WTF::OptionSet<WebCore::RenderLayerCompositor::ScrollingNodeChangeFlags>)
5 0x59c00b0a9 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>)
6 0x59c00b4aa 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>)
7 0x59c00b4aa 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>)
8 0x59c007a76 WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*)
9 0x59b65c6e3 WebCore::FrameView::updateCompositingLayersAfterLayout()
10 0x59b65f014 WebCore::FrameView::didLayout(WTF::WeakPtr<WebCore::RenderElement>)
11 0x59b6a7f0b WebCore::FrameViewLayoutContext::layout()
12 0x59b63a61c WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive()
13 0x59b6cf89c WebCore::Page::layoutIfNeeded()
14 0x59b6cf94a WebCore::Page::updateRendering()
15 0x58163fc41 WebKit::WebPage::updateRendering()
16 0x58032a622 WebKit::RemoteLayerTreeDrawingArea::flushLayers()
17 0x5803341e1 decltype(*(std::__1::forward<WebKit::RemoteLayerTreeDrawingArea*&>(fp0)).*fp()) std::__1::__invoke<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&, void>(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&)
18 0x580334160 std::__1::__bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<> >::value>::type std::__1::__apply_functor<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, 0ul, std::__1::tuple<> >(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>&, std::__1::__tuple_indices<0ul>, std::__1::tuple<>&&)
19 0x58033410c std::__1::__bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<> >::value>::type std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>::operator()<>()
20 0x5803340a9 WTF::Detail::CallableWrapper<std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>, void>::call()
21 0x5801882da WTF::Function<void ()>::operator()() const
22 0x580330079 WebCore::Timer::fired()
23 0x59b8ff3aa WebCore::ThreadTimers::sharedTimerFiredInternal()
24 0x59b908011 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const
25 0x59b907fc9 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call()
26 0x59847e9ca WTF::Function<void ()>::operator()() const
27 0x59b8c4247 WebCore::MainThreadSharedTimer::fired()
28 0x59b966b06 WebCore::timerFired(__CFRunLoopTimer*, void*)
29 0x58afa3b94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
30 0x58afa3882 __CFRunLoopDoTimer
31 0x58afa2eda __CFRunLoopDoTimers
LEAK: 2 WebPageProxy
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