Bug 300354

Summary:	Fix crash in WebCore::RenderGrid::gridAreaRangeForOutOfFlow
Product:	WebKit	Reporter:	zak ridouh <zakr>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P1	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

zak ridouh

Reported 2025-10-07 17:40:21 PDT

Fix a crash in WebCore::RenderGrid::gridAreaRangeForOutOfFlow where we haven't completed in-flow placement and grid sizing yet, and so our positions vector doesn't have valid values.

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Add attachment proposed patch, testcase, etc.

zak ridouh

Comment 1 2025-10-07 17:41:05 PDT

Radar: <rdar://161639703>

zak ridouh

Comment 2 2025-10-07 17:43:52 PDT

<rdar://problem/161639703>

zak ridouh

Comment 3 2025-10-07 17:45:33 PDT

Pull request: https://github.com/WebKit/WebKit/pull/51978

EWS

Comment 4 2025-10-22 15:49:11 PDT

Committed 301976@main (f64709780430): <https://commits.webkit.org/301976@main> Reviewed commits have been landed. Closing PR #51978 and removing active labels.

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