Bug 261509

Summary:	REGRESSION(267786@main): Nullptr crash under resolveComputedStyle when there is no render tree
Product:	WebKit	Reporter:	Antti Koivisto <koivisto>
Component:	CSS	Assignee:	Antti Koivisto <koivisto>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Antti Koivisto 2023-09-13 06:40:18 PDT

5   WebCore       0x114bd118c WebCore::Style::resolveForDocument(WebCore::Document const&) + 92 (StyleResolveForDocument.cpp:63)
6   WebCore       0x113f44a28 WebCore::Document::styleForElementIgnoringPendingStylesheets(WebCore::Element&, WebCore::RenderStyle const*, WebCore::PseudoId) + 84 (Document.cpp:2365)
7   WebCore       0x113f83e48 WebCore::Element::resolveComputedStyle(WebCore::Element::ResolveComputedStyleMode) + 900 (Element.cpp:4031)
8   WebCore       0x113f95524 WebCore::Element::computedStyle(WebCore::PseudoId) + 148 (Element.cpp:4087)
9   WebCore       0x11420c70c WebCore::HTMLTitleElement::computedTextWithDirection() + 40 (HTMLTitleElement.cpp:87)

Comment 1 Antti Koivisto 2023-09-13 06:40:34 PDT

rdar://115348354

Comment 2 Antti Koivisto 2023-09-13 06:42:41 PDT

Pull request: https://github.com/WebKit/WebKit/pull/17737

Comment 3 EWS 2023-09-13 08:05:20 PDT

Committed 267952@main (7642333842d2): <https://commits.webkit.org/267952@main>

Reviewed commits have been landed. Closing PR #17737 and removing active labels.