[Webkit-unassigned] [Bug 201859] New: REGRESSION (r249923): ASSERTION FAILED: sessionID == WebProcess::singleton().sessionID() in WebCore::SWClientConnection *WebKit::WebServiceWorkerProvider::existingServiceWorkerConnectionForSession(PAL::SessionID)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=201859

            Bug ID: 201859
           Summary: REGRESSION (r249923): ASSERTION FAILED: sessionID ==
                    WebProcess::singleton().sessionID() in
                    WebCore::SWClientConnection
                    *WebKit::WebServiceWorkerProvider::existingServiceWork
                    erConnectionForSession(PAL::SessionID)
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
                CC: cdumez at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com

The following API test is timing out / failing an assertion added with https://trac.webkit.org/changeset/249923/webkit

TestWebKitAPI.WebKit.PrivateBrowsingPushStateNoHistoryCallback
        _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL.
        ASSERTION FAILED: sessionID == WebProcess::singleton().sessionID()
        /Volumes/Data/slave/mojave-debug/build/Source/WebKit/WebProcess/Storage/WebServiceWorkerProvider.cpp(65) : virtual WebCore::SWClientConnection *WebKit::WebServiceWorkerProvider::existingServiceWorkerConnectionForSession(PAL::SessionID)
        1   0x319c51089 WTFCrash
        2   0x10658296b WTFCrashWithInfo(int, char const*, char const*, int)
        3   0x10772003c WebKit::WebServiceWorkerProvider::existingServiceWorkerConnectionForSession(PAL::SessionID)
        4   0x1079aca22 WebKit::WebPage::updateThrottleState()::$_4::operator()() const
        5   0x1079ac9c9 WTF::Detail::CallableWrapper<WebKit::WebPage::updateThrottleState()::$_4, void>::call()
        6   0x319c7db9a WTF::Function<void ()>::operator()() const
        7   0x319ceecf5 WTF::RunLoop::performWork()
        8   0x319cf009e WTF::RunLoop::performWork(void*)
        9   0x7fff3787c683 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
        10  0x7fff3787c629 __CFRunLoopDoSource0
        11  0x7fff3785ffeb __CFRunLoopDoSources0
        12  0x7fff3785f5b5 __CFRunLoopRun
        13  0x7fff3785eebe CFRunLoopRunSpecific
        14  0x7fff39ac37df -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
        15  0x7fff39ac36b4 -[NSRunLoop(NSRunLoop) run]
        16  0x7fff639ee077 _xpc_objc_main
        17  0x7fff639edb79 _xpc_copy_xpcservice_dictionary
        18  0x106cd73e5 WebKit::XPCServiceMain(int, char const**)
        19  0x107cb0bfb WKXPCServiceMain
        20  0x106576ea2 main
        21  0x7fff637b53d5 start

https://build.webkit.org/builders/Apple%20Mojave%20Debug%20WK2%20%28Tests%29/builds/4712/steps/run-api-tests/logs/stdio

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