Author: pfg
Date: Thu Sep 25 19:22:26 2014
New Revision: 272127
URL: http://svnweb.freebsd.org/changeset/base/272127
Log:
bsdgrep: Work-around for segmentation fault.
Fix by David Carlier.
Obtained from: HardenedBSD
PR: 167921
MFC after: 1 month
Modified:
head/usr.bin/grep/regex/tre-fastmatch.c
Modified: head/usr.bin/grep/regex/tre-fastmatch.c
==============================================================================
--- head/usr.bin/grep/regex/tre-fastmatch.c Thu Sep 25 19:10:32 2014
(r272126)
+++ head/usr.bin/grep/regex/tre-fastmatch.c Thu Sep 25 19:22:26 2014
(r272127)
@@ -727,7 +727,7 @@ badpat:
for (unsigned int i = 0; i < fg->len; i++)
if (fg->pattern[i] == '\\')
escaped = !escaped;
- else if (fg->pattern[i] == '.' && escaped)
+ else if (fg->pattern[i] == '.' && fg->escmap && escaped)
{
fg->escmap[i] = true;
escaped = false;
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