misc/180990: bsdgrep segfaults when pattern file contains many lines

[Andrey Chernov]

The following reply was made to PR misc/180990; it has been noted by GNATS.

From: Andrey Chernov <ache at freebsd.org>
To: Nathan Weeks <nathan.weeks at ars.usda.gov>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: misc/180990: bsdgrep segfaults when pattern file contains many
 lines
Date: Fri, 02 Aug 2013 02:52:56 +0400

 On 02.08.2013 0:54, Nathan Weeks wrote:
 >> Environment:
 > FreeBSD fully.qualified.domain.name 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec  4 09:23:10 UTC 2012     root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
 >> Description:
 > "bsdgrep -f pattern_file file" segfaults when the pattern_file has more than a few dozen lines.
 >> How-To-Repeat:
 > $ echo 128 > file
 > $ seq 1 128 > pattern_file
 > $ bsdgrep -xf pattern_file file
 > Segmentation fault (core dumped)
 
 I don't see segfault on i386, but grep -x is fundamentally broken - it
 just finds nothing in contrast with gnu grep.
 
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