[xorg-bugzilla-noise] [Bug 1404] New: Xnest crashing because of uninitialized GetWindowPixmap

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1404        
   
           Summary: Xnest crashing because of uninitialized GetWindowPixmap
           Product: xorg
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Server/Xnest
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: ago at freedesktop.org


pScreen->GetWindowPixmap is never initialized in Xnest startup and contains
random data. After some server resets it crashes with segfault because
pScreen->GetWindowPixmap is called but is not a valid function.

A quick fix was to set the complete ScreenRec structure to null after allocating
it in dix/main.c (AddScreen)        
   
   
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