Bug 292203 – [macOS Debug]]: ASSERTION FAILED: !layer || !layer->hasAncestor(this) in imported/w3c/web-platform-tests/css/css-view-transitions/transition-in-hidden-page.html

• Component: Compositing
• Status: RESOLVED FIXED

[Marta Darbinyan]

There is an assertion in imported/w3c/web-platform-tests/css/css-view-transitions/transition-in-hidden-page.html. It's reproducible in test runs in EWS.


stderr:
ASSERTION FAILED: !layer || !layer->hasAncestor(this)
/Volumes/Data/worker/Apple-Sonoma-Debug-Build/build/Source/WebCore/platform/graphics/GraphicsLayer.cpp(291) : void WebCore::GraphicsLayer::setParent(GraphicsLayer *)
1   0x36975e61c WebCore::GraphicsLayer::setParent(WebCore::GraphicsLayer*)
2   0x36975eb64 WebCore::GraphicsLayer::addChild(WTF::Ref<WebCore::GraphicsLayer, WTF::RawPtrTraits<WebCore::GraphicsLayer>, WTF::DefaultRefDerefTraits<WebCore::GraphicsLayer>>&&)
3   0x3698ac4bc WebCore::GraphicsLayerCA::addChild(WTF::Ref<WebCore::GraphicsLayer, WTF::RawPtrTraits<WebCore::GraphicsLayer>, WTF::DefaultRefDerefTraits<WebCore::GraphicsLayer>>&&)
4   0x36975e988 WebCore::GraphicsLayer::setChildren(WTF::Vector<WTF::Ref<WebCore::GraphicsLayer, WTF::RawPtrTraits<WebCore::GraphicsLayer>, WTF::DefaultRefDerefTraits<WebCore::GraphicsLayer>>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&)
5   0x3698ac45c WebCore::GraphicsLayerCA::setChildren(WTF::Vector<WTF::Ref<WebCore::GraphicsLayer, WTF::RawPtrTraits<WebCore::GraphicsLayer>, WTF::DefaultRefDerefTraits<WebCore::GraphicsLayer>>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&)
6   0x36a03d358 WebCore::RenderLayerCompositor::updateBackingAndHierarchy(WebCore::RenderLayer&, WTF::Vector<WTF::Ref<WebCore::GraphicsLayer, WTF::RawPtrTraits<WebCore::GraphicsLayer>, WTF::DefaultRefDerefTraits<WebCore::GraphicsLayer>>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, WebCore::RenderLayerCompositor::UpdateBackingTraversalState&, WebCore::ScrollingTreeState&, WTF::OptionSet<WebCore::RenderLayerCompositor::UpdateLevel>)
7   0x36a039bc4 WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*)
8   0x36a03725c WebCore::RenderLayerCompositor::updateCompositingLayersTimerFired()
9   0x36a088c14 WebCore::Timer::Timer<WebCore::RenderLayerCompositor, WebCore::RenderLayerCompositor>(WebCore::RenderLayerCompositor&, void (WebCore::RenderLayerCompositor::*)())::'lambda'()::operator()() const
10  0x36a088b5c WTF::Detail::CallableWrapper<WebCore::Timer::Timer<WebCore::RenderLayerCompositor, WebCore::RenderLayerCompositor>(WebCore::RenderLayerCompositor&, void (WebCore::RenderLayerCompositor::*)())::'lambda'(), void>::call()
11  0x3632d0684 WTF::Function<void ()>::operator()() const
12  0x363422700 WebCore::Timer::fired()
13  0x3694e84d4 WebCore::ThreadTimers::sharedTimerFiredInternal()
14  0x3694f23fc WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const
15  0x3694f23a8 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call()
16  0x3632d0684 WTF::Function<void ()>::operator()() const
17  0x36948eee4 WebCore::MainThreadSharedTimer::fired()
18  0x3695f7ad8 WebCore::timerFired(__CFRunLoopTimer*, void*)
19  0x18d36d598 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
20  0x18d36d23c __CFRunLoopDoTimer
21  0x18d36cd74 __CFRunLoopDoTimers
22  0x18d3501ac __CFRunLoopRun
23  0x18d34f414 CFRunLoopRunSpecific
24  0x18e484868 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
25  0x18e4fe4a4 -[NSRunLoop(NSRunLoop) run]
26  0x18cf89468 _xpc_objc_main
27  0x18cf98e58 _xpc_main
28  0x18cf89014 _xpc_copy_xpcservice_dictionary
29  0x143c53138 WebKit::XPCServiceMain(int, char const**)
30  0x146a65dd4 WKXPCServiceMain
31  0x102e57f90 main
com.apple.WebKit.WebContent.Development terminated (pid 12283) for reason: crash
LEAK: 1 WebPageProxy


Test results:
https://build.webkit.org/results/Apple-Sonoma-Debug-AppleSilicon-WK2-Tests/294180@main%20(6436)/results.html


Test history:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-view-transitions%2Ftransition-in-hidden-page.html

[Radar WebKit Bug Importer]

<rdar://problem/150207829>

[EWS]

Test gardening commit 294199@main (3cbcb5325dc8): <https://commits.webkit.org/294199@main>

Reviewed commits have been landed. Closing PR #44620 and removing active labels.

[Matt Woodrow]

Pull request: https://github.com/WebKit/WebKit/pull/44720

[EWS]

Committed 294319@main (770818d2dcfa): <https://commits.webkit.org/294319@main>

Reviewed commits have been landed. Closing PR #44720 and removing active labels.

[EWS]

Test gardening commit 294397@main (0b469d6c46db): <https://commits.webkit.org/294397@main>

Reviewed commits have been landed. Closing PR #44801 and removing active labels.

[EWS]

Test gardening commit 289651.500@safari-7621-branch (e7f801b541b0): <https://commits.webkit.org/289651.500@safari-7621-branch>

Reviewed commits have been landed. Closing PR #3079 and removing active labels.

[EWS]

Committed 289651.505@safari-7621-branch (97ac2f1d3a7c): <https://commits.webkit.org/289651.505@safari-7621-branch>

Reviewed commits have been landed. Closing PR #3088 and removing active labels.