Bug 249994

Summary:	[css-nesting] Fix assert when parsing invalid CSS selector
Product:	WebKit	Reporter:	Matthieu Dubet <m_dubet>
Component:	WebKit Misc.	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Matthieu Dubet 2023-01-02 01:42:35 PST

Debug builds are reporting an assertion failure after this change.

https://results.webkit.org/?suite=layout-tests&test=fast%2Fcss%2Ffont_property_normal.html

Buildbot: builder Apple-Ventura-Debug-AppleSilicon-WK2-Tests build 569
https://build.webkit.org/#/builders/704/builds/569

fast/css/font_property_normal.html [ Crash ]
fast/css/parsing-invalid-block-recovery.html [ Crash ]

ASSERTION FAILED: scopeCombinator != CSSSelector::Subselector
css/parser/CSSSelectorParser.cpp(329) : std::unique_ptr<CSSParserSelector> WebCore::CSSSelectorParser::consumeRelativeNestedSelector(WebCore::CSSParserTokenRange &)

Comment 1 Matthieu Dubet 2023-01-02 01:43:28 PST

Introduced by https://github.com/WebKit/WebKit/pull/8071

Comment 2 Radar WebKit Bug Importer 2023-01-02 01:44:31 PST

<rdar://problem/103809119>

Comment 3 Matthieu Dubet 2023-01-02 01:46:20 PST

Pull request: https://github.com/WebKit/WebKit/pull/8124

Comment 4 EWS 2023-01-03 10:41:10 PST

Committed 258392@main (d741aacc0a0d): <https://commits.webkit.org/258392@main>

Reviewed commits have been landed. Closing PR #8124 and removing active labels.