Bug 283397 – REGRESSION(286827@main): SHOULD NEVER BE REACHED in Invalidator::CheckDescendants WebCore::Style::Invalidator::invalidateIfNeeded(Element &, SelectorMatchingState *)

• Component: DOM
• Status: RESOLVED FIXED

[Fujii Hironori]

After 286827@main, Windows Debug builds layout tests are exiting early.

Buildbot: builder Windows-64-bit-Debug-Tests build 409
https://build.webkit.org/#/builders/1190/builds/409

SHOULD NEVER BE REACHED
C:\webkit\wb\Source\WebCore\style/StyleInvalidator.cpp(185) : Invalidator::CheckDescendants WebCore::Style::Invalidator::invalidateIfNeeded(Element &, SelectorMatchingState *)
1   00007FF8E597755C WebCore::Style::Invalidator::invalidateIfNeeded
2   00007FF8E59779E7 WebCore::Style::Invalidator::invalidateStyleForDescendants
3   00007FF8E5977878 WebCore::Style::Invalidator::invalidateStyleForTree
4   00007FF8E5977B02 WebCore::Style::Invalidator::invalidateStyle
5   00007FF8E5977B99 WebCore::Style::Invalidator::invalidateStyle
6   00007FF8E598CB9C WebCore::Style::Scope::invalidateStyleAfterStyleSheetChange
7   00007FF8E598C6EC WebCore::Style::Scope::updateActiveStyleSheets
8   00007FF8E598CFF1 WebCore::Style::Scope::flushPendingSelfUpdate
9   00007FF8E36A32A7 WebCore::Style::Scope::flushPendingUpdate
10  00007FF8E3D63443 WebCore::Document::updateStyleIfNeeded
11  00007FF8E3D7E5FF WebCore::Document::finishedParsing
12  00007FF8E452C499 WebCore::HTMLConstructionSite::finishedParsing
13  00007FF8E458AD6F WebCore::HTMLTreeBuilder::finished
14  00007FF8E4532A22 WebCore::HTMLDocumentParser::end
15  00007FF8E45311F7 WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd
16  00007FF8E4530F69 WebCore::HTMLDocumentParser::prepareToStopParsing
17  00007FF8E4531BC1 WebCore::HTMLDocumentParser::endIfDelayed
18  00007FF8E4532D32 WebCore::HTMLDocumentParser::resumeParsingAfterScriptExecution
19  00007FF8E4533230 WebCore::HTMLDocumentParser::executeScriptsWaitingForStylesheets
20  00007FF8E3FB55EF WebCore::ScriptableDocumentParser::scriptsWaitingForStylesheetsExecutionTimerFired
21  00007FF8E3FDFDB6 WebCore::Timer::Timer<WebCore::ScriptableDocumentParser,WebCore::ScriptableDocumentParser>::<lambda_1>::operator()
22  00007FF8E3FDFD47 WTF::Detail::CallableWrapper<`lambda at C:\webkit\wb\Source\WebCore\platform\Timer.h:161:22',void>::call
23  00007FF8E0DD0FBE WTF::Function<void ()>::operator()
24  00007FF8E2C26D37 WebCore::Timer::fired
25  00007FF8E4F5D347 WebCore::ThreadTimers::sharedTimerFiredInternal
26  00007FF8E4F601BE WebCore::ThreadTimers::setSharedTimer::<lambda_0>::operator()
27  00007FF8E4F60177 WTF::Detail::CallableWrapper<`lambda at C:\webkit\wb\Source\WebCore\platform\ThreadTimers.cpp:68:41',void>::call
28  00007FF8E0DD0FBE WTF::Function<void ()>::operator()
29  00007FF8E4F07B8D WebCore::MainThreadSharedTimer::fired
30  00007FF8E0F06B28 WebCore::TimerWindowWndProc
31  00007FF9DF5483F1 DispatchMessageW
Exception thrown at 0x00007FF8DF778A15 (JavaScriptCore.dll) in WebKitWebProcess.exe: 0xC0000005: Access violation writing location 0x00000000BBADBEEF.

[Fujii Hironori]

Pull request: https://github.com/WebKit/WebKit/pull/36875

[EWS]

Committed 286842@main (c15d3e7295de): <https://commits.webkit.org/286842@main>

Reviewed commits have been landed. Closing PR #36875 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/140255556>