[Webkit-unassigned] [Bug 194584] New: Crash in Page::setActivityState because m_page is null

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194584

            Bug ID: 194584
           Summary: Crash in Page::setActivityState because m_page is null
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org

e.g.
0   com.apple.WebCore                   0x00007fff50236b2e WebCore::Page::setActivityState(WTF::OptionSet<WebCore::ActivityState::Flag>) + 14
1   com.apple.WebKit                    0x00007fff50fc071d WebKit::WebPage::setActivityState(WTF::OptionSet<WebCore::ActivityState::Flag>, unsigned long long, WTF::Vector<WebKit::CallbackID, 0ul, WTF::CrashOnOverflow, 16ul> const&) + 83
2   com.apple.WebKit                    0x00007fff50fd446e WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&) + 4872
3   com.apple.WebKit                    0x00007fff50c58d84 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 126
4   com.apple.WebKit                    0x00007fff50f1dd06 WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 28
5   com.apple.WebKit                    0x00007fff50c48a98 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 108
6   com.apple.WebKit                    0x00007fff50c4c24b IPC::Connection::dispatchOneIncomingMessage() + 181

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