[gs-bugs] [Bug 691976] segfault with cups driver

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Mon Feb 28 13:39:09 UTC 2011


--- Comment #3 from Ken Sharp <ken.sharp at artifex.com> 2011-02-28 13:39:03 UTC ---
(In reply to comment #1)
> Looks like a problem of the PDF interpreter for me ...

For me this seg faults on Windows with simply "-sDEVICE=cups
-dcupsColorSpace=17" (this requires a recent version of GS in order to have the
cups device on Windows) so it looks like the problem is one of the wacky colour
spaces associated with the CUPS device. I guess that the transparency
compositor doesn't know how to deal with the particular colour space.

For me the crash occurs in (call stack) :

pdf14_end_transparency group

Which looks identical to the stack trace supplied in comment #0

The problem is that tos->data is 0x000000, and reading from that location
results in an invalid memory access. I'm afraid I don't know enough about the
transparency compositor to offer anything more useful though.

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