Bug 302499

Summary:	RemoteImageBufferSet destructor should use GraphicsContext::unwindStateStack
Product:	WebKit	Reporter:	Anthony Tarbinian <a.tarbinian>
Component:	Layout and Rendering	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Anthony Tarbinian

Reported 2025-11-13 16:45:42 PST

Previously, the RemoteImageBufferSet destructor called restore in a loop. However, this doesn't take into account the purpose of each GraphicsContext on the stack which can result in inconsistent purposes and hit ASSERTs in GraphicsContext::restore.

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Radar WebKit Bug Importer

Comment 1 2025-11-13 16:45:50 PST

<rdar://problem/164675301>

Anthony Tarbinian

Comment 2 2025-11-13 16:53:49 PST

Pull request: https://github.com/WebKit/WebKit/pull/53904

EWS

Comment 3 2025-11-19 16:44:32 PST

Committed 303296@main (be500683ac3f): <https://commits.webkit.org/303296@main> Reviewed commits have been landed. Closing PR #53904 and removing active labels.

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