Bug 269996

Summary:	REGRESSION ( 275227@main): [ MacOS Debug ] imported/w3c/web-platform-tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html is a constant crash
Product:	WebKit	Reporter:	Jay Stfleur <j_stfleur>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=270014

Jay Stfleur

Reported 2024-02-23 10:29:20 PST

Description: imported/w3c/web-platform-tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html Is constantly crashing on Monterey+ History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-view-transitions%2Foffscreen-element-modified-before-coming-onscreen.html Diff/Image Diff/Crash Log: ASSERTION FAILED: fixedPositionContainerLayer /Volumes/Data/worker/Apple-Sonoma-Debug-Build/build/Source/WebCore/rendering/RenderLayer.cpp(2391) : const RenderLayer *WebCore::accumulateOffsetTowardsAncestor(const RenderLayer *, const RenderLayer *, LayoutPoint &, RenderLayer::ColumnOffsetAdjustment) 1 0x79356c679 WTFCrash 2 0x7a15dd51b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x7a6ef0081 WebCore::accumulateOffsetTowardsAncestor(WebCore::RenderLayer const*, WebCore::RenderLayer const*, WebCore::LayoutPoint&, WebCore::RenderLayer::ColumnOffsetAdjustment) 4 0x7a6eefd3e WebCore::RenderLayer::convertToLayerCoords(WebCore::RenderLayer const*, WebCore::LayoutPoint const&, WebCore::RenderLayer::ColumnOffsetAdjustment) const 5 0x7a6eea6f0 WebCore::RenderLayer::offsetFromAncestor(WebCore::RenderLayer const*, WebCore::RenderLayer::ColumnOffsetAdjustment) const 6 0x7a6f318fe WebCore::RenderLayerCompositor::repaintInCompositedAncestor(WebCore::RenderLayer&, WebCore::LayoutRect const&) 7 0x7a6f47657 WebCore::RenderLayerCompositor::layerWillBeRemoved(WebCore::RenderLayer&, WebCore::RenderLayer&) 8 0x7a6ee6886 WebCore::RenderLayer::removeChild(WebCore::RenderLayer&) 9 0x7a6e7550f WebCore::RenderElement::removeLayers() 10 0x7a6e78932 WebCore::RenderElement::willBeRemovedFromTree(WebCore::RenderObject::IsInternalMove) 11 0x7a6f54556 WebCore::RenderLayerModelObject::willBeRemovedFromTree(WebCore::RenderObject::IsInternalMove) 12 0x7a6e10979 WebCore::RenderBox::willBeRemovedFromTree(WebCore::RenderObject::IsInternalMove) 13 0x7a71e937b WebCore::RenderTreeBuilder::detachFromRenderElement(WebCore::RenderElement&, WebCore::RenderObject&, WebCore::RenderTreeBuilder::WillBeDestroyed) 14 0x7a71e8876 WebCore::RenderTreeBuilder::Block::detach(WebCore::RenderBlock&, WebCore::RenderObject&, WebCore::RenderTreeBuilder::CanCollapseAnonymousBlock) 15 0x7a71e8721 WebCore::RenderTreeBuilder::Block::detach(WebCore::RenderBlockFlow&, WebCore::RenderObject&, WebCore::RenderTreeBuilder::CanCollapseAnonymousBlock)

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Radar WebKit Bug Importer

Comment 1 2024-02-23 10:29:45 PST

<rdar://problem/123516775>

Jay Stfleur

Comment 2 2024-02-23 10:45:35 PST

Reproducibility: run-webkit-tests --root imported/w3c/web-platform-tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html --clobber-old-results --child-processes 10 --iteration 10 -f --exit-after-n-failures 1

EWS

Comment 3 2024-04-26 16:21:22 PDT

Test gardening commit 278064@main (276e11ba088f): <https://commits.webkit.org/278064@main> Reviewed commits have been landed. Closing PR #27821 and removing active labels.

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