[Webkit-unassigned] [Bug 191812] New: [PSON] ProcessSwap.WebInspector API test is a flaky crash in debug

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Nov 17 14:11:58 PST 2018


https://bugs.webkit.org/show_bug.cgi?id=191812

            Bug ID: 191812
           Summary: [PSON] ProcessSwap.WebInspector API test is a flaky
                    crash in debug
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cdumez at apple.com
                CC: inspector-bugzilla-changes at group.apple.com,
                    joepeck at webkit.org, koivisto at iki.fi, rniwa at webkit.org,
                    ryanhaddad at apple.com, tsavell at apple.com

ProcessSwap.WebInspector API test is a flaky crash in debug:

TestWebKitAPI.ProcessSwap.WebInspector
        _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL.
        Received data during response processing, queuing it.
        _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL.
        _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL.
        Received data during response processing, queuing it.
        ASSERTION FAILED: !m_frontendConnection
        /Volumes/Data/slave/mojave-debug/build/Source/WebKit/WebProcess/WebPage/WebInspector.cpp(80) : void WebKit::WebInspector::setFrontendConnection(IPC::Attachment)
        1   0x646e526f9 WTFCrash
        2   0x630002a2b WTFCrashWithInfo(int, char const*, char const*, int)
        3   0x631030c2a WebKit::WebInspector::setFrontendConnection(IPC::Attachment)
        4   0x6310f1d48 void IPC::callMemberFunctionImpl<WebKit::WebInspector, void (WebKit::WebInspector::*)(IPC::Attachment), std::__1::tuple<IPC::Attachment>, 0ul>(WebKit::WebInspector*, void (WebKit::WebInspector::*)(IPC::Attachment), std::__1::tuple<IPC::Attachment>&&, std::__1::integer_sequence<unsigned long, 0ul>)
        5   0x6310f1c70 void IPC::callMemberFunction<WebKit::WebInspector, void (WebKit::WebInspector::*)(IPC::Attachment), std::__1::tuple<IPC::Attachment>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<IPC::Attachment>&&, WebKit::WebInspector*, void (WebKit::WebInspector::*)(IPC::Attachment))
        6   0x6310f16a4 void IPC::handleMessage<Messages::WebInspector::SetFrontendConnection, WebKit::WebInspector, void (WebKit::WebInspector::*)(IPC::Attachment)>(IPC::Decoder&, WebKit::WebInspector*, void (WebKit::WebInspector::*)(IPC::Attachment))
        7   0x6310f092c WebKit::WebInspector::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
        8   0x63111ad32 WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
        9   0x6300b1e9a IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&)
        10  0x630db5b1d WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
        11  0x630049f2c IPC::Connection::dispatchMessage(IPC::Decoder&)
        12  0x63003c311 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)
        13  0x63004acf7 IPC::Connection::dispatchOneIncomingMessage()
        14  0x63006b828 IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()()
        15  0x63006b739 WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call()
        16  0x646e79ffd WTF::Function<void ()>::operator()() const
        17  0x646ed2e5d WTF::RunLoop::performWork()
        18  0x646ed3704 WTF::RunLoop::performWork(void*)
        19  0x7fff4189cf09 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
        20  0x7fff4189ceaf __CFRunLoopDoSource0
        21  0x7fff41880d5c __CFRunLoopDoSources0
        22  0x7fff41880303 __CFRunLoopRun
        23  0x7fff4187fbe6 CFRunLoopRunSpecific
        24  0x7fff43c043ba -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
        25  0x7fff43c0428f -[NSRunLoop(NSRunLoop) run]
        26  0x7fff6ed31ee6 _xpc_objc_main
        27  0x7fff6ed319e5 _xpc_copy_xpcservice_dictionary
        28  0x1073c2055 WebKit::XPCServiceMain(int, char const**)
        29  0x1073c2342 main
        30  0x7fff6eafb08d start
        _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL.
        Received data during response processing, queuing it.
        Received data during response processing, queuing it.
        LEAK: 2 WebProcessPool

        /Volumes/Data/slave/mojave-debug/build/Tools/TestWebKitAPI/Tests/WebKitCocoa/ProcessSwapOnNavigation.mm:2075
        Expected: (pid2) != (pid3), actual: 29417 vs 29417


        /Volumes/Data/slave/mojave-debug/build/Tools/TestWebKitAPI/Tests/WebKitCocoa/ProcessSwapOnNavigation.mm:2076
        Expected equality of these values:
          numberOfDecidePolicyCalls
            Which is: 4
          3

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