[Webkit-unassigned] [Bug 168463] New: CrashTracer: [USER] com.apple.WebKit.WebContent at com.apple.WebCore: WebCore::selectorCanMatchPseudoElement + 50

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=168463

            Bug ID: 168463
           Summary: CrashTracer: [USER] com.apple.WebKit.WebContent at
                    com.apple.WebCore:
                    WebCore::selectorCanMatchPseudoElement + 50
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000040
Exception Note:        EXC_CORPSE_NOTIFY

Thread 0 Crashed ↩:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x00007fffbd238c42 WebCore::selectorCanMatchPseudoElement(WebCore::CSSSelector const&) + 50
1   com.apple.WebCore                 0x00007fffbc390c0e WebCore::RuleData::RuleData(WebCore::StyleRule*, unsigned int, unsigned int, WebCore::AddRuleFlags) + 334
2   com.apple.WebCore                 0x00007fffbc39039e WebCore::RuleSet::addRule(WebCore::StyleRule*, unsigned int, WebCore::AddRuleFlags) + 62
3   com.apple.WebCore                 0x00007fffbd2395f1 WebCore::RuleSet::addChildRules(WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase>, 0ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::MediaQueryEvaluator const&, WebCore::StyleResolver*, bool, bool, WebCore::AddRuleFlags) + 209
4   com.apple.WebCore                 0x00007fffbd23985b WebCore::RuleSet::addRulesFromSheet(WebCore::StyleSheetContents&, WebCore::MediaQueryEvaluator const&, WebCore::StyleResolver*) + 219
5   com.apple.WebCore                 0x00007fffbc81f001 WebCore::DocumentRuleSets::appendAuthorStyleSheets(WTF::Vector<WTF::RefPtr<WebCore::CSSStyleSheet>, 0ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::MediaQueryEvaluator*, WebCore::InspectorCSSOMWrappers&, WebCore::StyleResolver*) + 97
6   com.apple.WebCore                 0x00007fffbd3582df WebCore::StyleResolver::appendAuthorStyleSheets(WTF::Vector<WTF::RefPtr<WebCore::CSSStyleSheet>, 0ul, WTF::CrashOnOverflow, 16ul> const&) + 31
7   com.apple.WebCore                 0x00007fffbd365d89 WebCore::Style::Scope::resolver() + 121
8   com.apple.WebCore                 0x00007fffbd36e1f2 WebCore::Style::TreeResolver::resolve(WebCore::Style::Change) + 194
9   com.apple.WebCore                 0x00007fffbc7f10fe WebCore::Document::recalcStyle(WebCore::Style::Change) + 62

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