Bug 700292 - pngalpha with dFILTERVECTOR or dFILTERIMAGE produces SIGSEGV
Summary: pngalpha with dFILTERVECTOR or dFILTERIMAGE produces SIGSEGV
Status: RESOLVED DUPLICATE of bug 700139
Alias: None
Product: Ghostscript
Classification: Unclassified
Component: PDF Interpreter (show other bugs)
Version: 9.25
Hardware: Macintosh MacOS X
: P4 normal
Assignee: Ken Sharp
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-11-29 00:31 UTC by James R Barlow
Modified: 2018-11-29 07:59 UTC (History)
0 users

See Also:
Customer:
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Attachments
log (10.70 KB, text/plain)
2018-11-29 00:31 UTC, James R Barlow 		Details
test file (2.65 KB, application/pdf)
2018-11-29 00:31 UTC, James R Barlow 		Details
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Description James R Barlow 2018-11-29 00:31:11 UTC 
Created attachment 16410 [details]
log

gs -q -r200 -sDEVICE=pngalpha -dFILTERIMAGE -o out.png test.pdf
gs -q -r200 -sDEVICE=pngalpha -dFILTERVECTOR -o out.png test.pdf

Seems to produce a SIGSEGV on many types of PDFs.

The same commands being written to png16m have no issue.

The crash always occurs at:
clist_playback_band + 4910

See attached a log and test file. The test file happens to have a Form XObject but
Comment 1 James R Barlow 2018-11-29 00:31:54 UTC 
Created attachment 16411 [details]
test file
Comment 2 Ken Sharp 2018-11-29 07:59:12 UTC 

*** This bug has been marked as a duplicate of bug 700139 ***