Bug 211536

Summary:	REGRESSION (r261239): [ Mac Debug WK1 ] fast/events/wheel-event-outside-body.html is crashing
Product:	WebKit	Reporter:	Truitt Savell <tsavell>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED CONFIGURATION CHANGED
Severity:	Normal	CC:	koivisto, 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=211512

Description Truitt Savell 2020-05-06 15:17:57 PDT

fast/events/wheel-event-outside-body.html

This test began crashing after the changes in https://trac.webkit.org/changeset/261239/webkit

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fevents%2Fwheel-event-outside-body.html

Log:
https://build.webkit.org/results/Apple-Catalina-Debug-WK1-Tests/r261245%20(4385)/fast/events/wheel-event-outside-body-crash-log.txt

I am able to reproduce this with command:
run-webkit-tests --iterations 2000 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --debug-rwt-logging --no-retry --force --no-build -f -1 --debug fast/events/wheel-event-outside-body.htm

Comment 1 Radar WebKit Bug Importer 2020-05-06 15:18:21 PDT

<rdar://problem/62947892>

Comment 2 Ryan Haddad 2020-05-06 15:20:24 PDT

SHOULD NEVER BE REACHED
./rendering/RenderLayerBacking.cpp(2948) : void WebCore::RenderLayerBacking::paintIntoLayer(const WebCore::GraphicsLayer *, WebCore::GraphicsContext &, const WebCore::IntRect &, OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext *)

Comment 3 Ryan Haddad 2020-05-06 15:45:16 PDT

Reverted in https://trac.webkit.org/changeset/261253/webkit