[Webkit-unassigned] [Bug 211963] New: Nullptr crash in MediaQueryMatcher::evaluateAll

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211963

            Bug ID: 211963
           Summary: Nullptr crash in MediaQueryMatcher::evaluateAll
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

3 WebCore: WebCore::MediaQueryMatcher::evaluateAll() <==
        3 WebCore: WebCore::MediaQueryMatcher::evaluateAll()
          3 WebCore: WebCore::Page::forEachDocument(WTF::Function<void (WebCore::Document&)> const&) const
            3 WebCore: WebCore::Page::updateRendering()
              3 WebKit: WebKit::WebPage::dynamicViewportSizeUpdate(WebCore::FloatSize const&, WebCore::FloatSize const&, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::RectEdges<float> const&, double, int, double, unsigned long long)
                3 WebKit: WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&)
                  3 WebKit: IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&)
                    3 WebKit: WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
                      3 WebKit: IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder,

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