misc/151592: 'fold' segfaults on argument processing
>Number: 151592
>Category: misc
>Synopsis: 'fold' segfaults on argument processing
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Oct 20 03:50:08 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Marcus Reid
>Release: 8.1-STABLE
>Organization:
>Environment:
FreeBSD austin.sea.netifice.com 8.1-STABLE FreeBSD 8.1-STABLE #0: Mon Sep 20 23:53:47 PDT 2010 root@austin.sea.netifice.com:/usr/obj/usr/src/sys/FARK amd64
>Description:
The 'fold' utility reads past the end of a buffer if arguments are incorrectly specified. If you pass an argument to '-b' that happens to be in the character set "0123456789", line 101 reads past the end of argv[optind] and causes a segmentation fault.
>How-To-Repeat:
Simply run 'fold -b1'
>Fix:
I don't really see what the author is intending to do in that case statement where it breaks.
>Release-Note:
>Audit-Trail:
>Unformatted:
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