[gs-bugs] [Bug 689781] New: Crash or rangecheck of separation device at specific PageSizes & Resolution

[bugs.ghostscript.com-bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=689781

           Summary: Crash or rangecheck of separation device at specific
                    PageSizes & Resolution
           Product: Ghostscript
           Version: HEAD
          Platform: PC
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: critical
          Priority: P4
         Component: PS Interpreter
        AssignedTo: support at artifex.com
        ReportedBy: claentzsch at mms-heidelberg.de
         QAContact: gs-bugs at ghostscript.com


Using tiffsep device with specific PageSizes and resolutions leads to Crash or 
rangecheck error.

Consider following PS code:

<< /PageSize [1670 1158] >> setpagedevice
.5 setgray
clippath fill
showpage

Set resolution to 1200x1200 DPI (-r1200x1200) and -sDEVICE=tiffsep
Result:
In gs-HEAD you get a rangecheck error in showpage.
Pre-Head, like 8.54:
CRASH in mem_true64_fill_rectangle() (at the very beginning) while filling 
rectangle. I guess, only one band of memory should be erased at this time, but 
the coordinates are set for the whole image (in this case: very big).

Vary the PageSize parameters or resolution a little and it works!
This makes me unhappy, because depending on the size of input document, GS 
fails.



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