[gs-bugs] [Bug 691296] New: Missing NULL check in bbox_close_device()

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=691296

           Summary: Missing NULL check in bbox_close_device()
           Product: Ghostscript
           Version: 8.71
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Graphics Library
        AssignedTo: support at artifex.com
        ReportedBy: twaugh at redhat.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


Created an attachment (id=6277)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=6277)
ghostscript-bbox-close.patch

When bbox_close_device() is called on a compositor wrapper bbox, there is no
check before calling gs_closedevice on the target device.

Original bug report:
  https://bugzilla.redhat.com/show_bug.cgi?id=591624

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