[Webkit-unassigned] [Bug 151653] New: [GTK] UI process crash when the screensaver DBus proxy is being created while the web view is destroyed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151653

            Bug ID: 151653
           Summary: [GTK] UI process crash when the screensaver DBus proxy
                    is being created while the web view is destroyed
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org, svillar at igalia.com,
                    zan at falconsigh.net

We correctly cancel the proxy creation, but when the async ready callback is called, the view could be destroyed already. In that case g_dbus_proxy_new_for_bus_finish() will return nullptr and fail with cancelled error, but we are using the passed web view without checking first if the creation failed or not.

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