[Webkit-unassigned] [Bug 126287] New: [SOUP] Return early in ResourceHandle::receivedCancellation if the load has already cancelled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=126287

           Summary: [SOUP] Return early in
                    ResourceHandle::receivedCancellation if the load has
                    already cancelled
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: Soup
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cgarcia at igalia.com
                CC: gns at gnome.org, svillar at igalia.com


This situation can happen when using the network process, because the ReceivedCancellation message can be received when the resource loader has already been removed, but the authentication challenge still has a reference to the ResourceHandleClient. 

$ WEBKIT_USE_NETWORK_PROCESS=1 Programs/WebKit2APITests/TestAuthentication 
/webkit2/WebKitWebView/authentication-request: OK
/webkit2/WebKitWebView/authentication-cancel: OK
/webkit2/WebKitWebView/authentication-load-cancelled: 
(process:1716): libsoup-CRITICAL **: soup_session_unpause_message: assertion 'item != NULL' failed
OK
/webkit2/WebKitWebView/authentication-failure: OK
/webkit2/WebKitWebView/authentication-no-credential: OK
/webkit2/WebKitWebView/authentication-storage: 
(process:1843): libsoup-CRITICAL **: soup_session_unpause_message: assertion 'item != NULL' failed

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