[gs-bugs] [Bug 691527] New: PDF FTS 1.7 files Segmentation Fault

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=691527

           Summary: PDF FTS 1.7 files Segmentation Fault
           Product: Ghostscript
           Version: HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: blocker
          Priority: P4
         Component: Graphics Library
        AssignedTo: michael.vrhel at artifex.com
        ReportedBy: ray.johnston at artifex.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


The following files crash on my Windows 7 build with the command line:

gswin32c -Z: -r600 -sDEVICE=ppmraw -o nul: -dBandHeight=128 _____

where ____ is the file

similarly, all except fts_31_3120.pdf fail with Segmentation fault on peeves
(linux i7) with the command line:

bin/gs -Z: -r600 -sDEVICE=ppmraw -o nul: -dBandHeight=128 _____

The file list is:

fts_17_1701.pdf
fts_17_1703.pdf
fts_17_1705.pdf
fts_17_1707.pdf
fts_23_2300.pdf
fts_31_3107.pdf
fts_31_3120.pdf

I think these are all related. On Windows I looked at 3107 and was able to
get repeatable failures in device_clist_reloc_ptrs when trying to RELOC
the icc_table. There is a suspicious comment in gxclist.c:

/*  Where is the GC information for the common objects that are
    shared between the reader and writer.  I see pointers in
    there, but they don't seem to be GC.  This is why I have
    put the icc_table and the link cache in the reader and the 
    writer rather than the common.   fixme: Also, if icc_cache_cl is not
    included in the writer, 64bit builds will seg fault */

Thus I am assigning to Michael (apologies in advance) since it looks like
it is related to the ICC changes.

NOTE: I am available for discussion on this issue.

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