Bug 278654 – [Debug] ASSERTION FAILED on `fast/rendering/render-list-marker-select.html`

• Status: RESOLVED
• Resolution: FIXED
• Component: CSS

[Vitaly Dyackhov]

STDERR: ASSERTION FAILED: When matching pseudo elements, we should never compile a selector checker without context unless it cannot match anything.
STDERR: !SelectorCompiler::ruleCollectorSimpleSelectorChecker(compiledSelector, &element(), &ignoreSpecificity) || !m_pseudoElementRequest
STDERR: /home/vitaly/WebKit/Source/WebCore/style/ElementRuleCollector.cpp(495) : bool WebCore::Style::ElementRuleCollector::ruleMatches(const WebCore::Style::RuleData&, unsigned int&, WebCore::Style::ScopeOrdinal, const WebCore::ContainerNode*)
STDERR: 1   0x7f10b35d1d93 WebCore::Style::ElementRuleCollector::ruleMatches(WebCore::Style::RuleData const&, unsigned int&, WebCore::Style::ScopeOrdinal, WebCore::ContainerNode const*)
STDERR: 2   0x7f10b35d23c8 operator()
STDERR: 3   0x7f10b35d2840 WebCore::Style::ElementRuleCollector::collectMatchingRulesForList(WTF::Vector<WebCore::Style::RuleData, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const*, WebCore::Style::MatchRequest const&)
STDERR: 4   0x7f10b35d0ba6 WebCore::Style::ElementRuleCollector::collectMatchingRules(WebCore::Style::MatchRequest const&)
STDERR: 5   0x7f10b35d0413 WebCore::Style::ElementRuleCollector::collectMatchingRules(WebCore::Style::CascadeLevel)
STDERR: 6   0x7f10b35d0faf WebCore::Style::ElementRuleCollector::matchAuthorRules()
STDERR: 7   0x7f10b3670db5 WebCore::Style::Resolver::styleForPseudoElement(WebCore::Element&, WebCore::Style::PseudoElementRequest const&, WebCore::Style::ResolutionContext const&)
STDERR: 8   0x7f10b367ef47 WebCore::Style::TreeResolver::resolvePseudoElement(WebCore::Element&, WebCore::Style::PseudoElementIdentifier const&, WebCore::Style::ElementUpdate const&, WebCore::Style::IsInDisplayNoneTree)
STDERR: 9   0x7f10b367de70 operator()
STDERR: 10  0x7f10b367e611 WebCore::Style::TreeResolver::resolveElement(WebCore::Element&, WebCore::RenderStyle const*, WebCore::Style::TreeResolver::ResolutionType)
STDERR: 11  0x7f10b36830b1 WebCore::Style::TreeResolver::resolveComposedTree()
STDERR: 12  0x7f10b3683c1b WebCore::Style::TreeResolver::resolve()
STDERR: 13  0x7f10b168dac6 WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType)
STDERR: 14  0x7f10b168e5bf WebCore::Document::updateStyleIfNeeded()
STDERR: 15  0x7f10b16ac027 WebCore::Document::finishedParsing()
STDERR: 16  0x7f10b1e89d60 WebCore::HTMLConstructionSite::finishedParsing()
STDERR: 17  0x7f10b1eee791 WebCore::HTMLTreeBuilder::finished()
STDERR: 18  0x7f10b1e90c4e WebCore::HTMLDocumentParser::end()
STDERR: 19  0x7f10b1e90d9e WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd()
STDERR: 20  0x7f10b1e8f326 WebCore::HTMLDocumentParser::prepareToStopParsing()
STDERR: 21  0x7f10b1e90ddd WebCore::HTMLDocumentParser::attemptToEnd()
STDERR: 22  0x7f10b1e90e99 WebCore::HTMLDocumentParser::finish()
STDERR: 23  0x7f10b22fdb5a WebCore::DocumentWriter::end()
STDERR: 24  0x7f10b22e5d04 WebCore::DocumentLoader::finishedLoading()
STDERR: 25  0x7f10b22e56e9 WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&, WebCore::NetworkLoadMetrics const&, WebCore::LoadWillContinueInAnotherProcess)
STDERR: 26  0x7f10b246b821 WebCore::CachedResource::checkNotify(WebCore::NetworkLoadMetrics const&, WebCore::LoadWillContinueInAnotherProcess)
STDERR: 27  0x7f10b246b9c3 WebCore::CachedResource::finishLoading(WebCore::FragmentedSharedBuffer const*, WebCore::NetworkLoadMetrics const&)
STDERR: 28  0x7f10b246684b WebCore::CachedRawResource::finishLoading(WebCore::FragmentedSharedBuffer const*, WebCore::NetworkLoadMetrics const&)
STDERR: 29  0x7f10b23eb0f1 WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&)
STDERR: 30  0x7f10adc8e9f9 WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics&&)
STDERR: 31  0x7f10ac8ed726 auto IPC::callMemberFunction<WebKit::WebResourceLoader, WebKit::WebResourceLoader, void (WebCore::NetworkLoadMetrics&&), std::tuple<WebCore::NetworkLoadMetrics> >(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics&&), std::tuple<WebCore::NetworkLoadMetrics>&&)::{lambda((auto:1&&)...)#1}::operator()<WebCore::NetworkLoadMetrics>(WebCore::NetworkLoadMetrics&&) const
STDERR: WebKitWebProcess terminated (pid 103828) for reason: crash

[Vitaly Dyackhov]

Pull request: https://github.com/WebKit/WebKit/pull/32706

[Radar WebKit Bug Importer]

<rdar://problem/135146456>

[EWS]

Committed 283428@main (b9e946421ea6): <https://commits.webkit.org/283428@main>

Reviewed commits have been landed. Closing PR #32706 and removing active labels.