[gs-bugs] [Bug 691476] New: infinite loop while lexing

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Sun Jul 18 23:49:08 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=691476

           Summary: infinite loop while lexing
           Product: MuPDF
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P4
         Component: mupdf
        AssignedTo: tor.andersson at artifex.com
        ReportedBy: kkowalczyk at gmail.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


http://darcs.ghostscript.com/darcsweb.cgi/darcsweb.cgi?r=mupdf;a=commitdiff;h=20100526120559-a72ac-a9501f7417b7e4f1d6c942cd5ab2997961191043.gz
introduced a subtle regression that can cause infinite loop. 

Character ')' would previously be rejected by isregular() but now will be lexed
as name, without advancing, causing infinite loop.

Potential fix: http://code.google.com/p/sumatrapdf/source/detail?r=2031

Attached PDF that shows the problem.

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