Bug 700292

Summary: pngalpha with dFILTERVECTOR or dFILTERIMAGE produces SIGSEGV
Product: Ghostscript Reporter: James R Barlow <jim>
Component: PDF InterpreterAssignee: Ken Sharp <ken.sharp>
Status: RESOLVED DUPLICATE    
Severity: normal    
Priority: P4    
Version: 9.25   
Hardware: Macintosh   
OS: MacOS X   
Customer: Word Size: ---
Attachments: log
test file

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 ***