Date: Tue, 26 Feb 2013 00:44:54 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r247294 - stable/9/usr.bin/grep/regex Message-ID: <201302260044.r1Q0isnC088972@svn.freebsd.org>
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Author: markj Date: Tue Feb 26 00:44:54 2013 New Revision: 247294 URL: http://svnweb.freebsd.org/changeset/base/247294 Log: MFC r246917: Strengthen the check in IS_OUT_OF_BOUNDS to ensure that (j - 1) is a valid index into the input buffer. Approved by: rstone (co-mentor) Modified: stable/9/usr.bin/grep/regex/tre-fastmatch.c Directory Properties: stable/9/usr.bin/grep/ (props changed) Modified: stable/9/usr.bin/grep/regex/tre-fastmatch.c ============================================================================== --- stable/9/usr.bin/grep/regex/tre-fastmatch.c Tue Feb 26 00:43:01 2013 (r247293) +++ stable/9/usr.bin/grep/regex/tre-fastmatch.c Tue Feb 26 00:44:54 2013 (r247294) @@ -103,7 +103,7 @@ static int fastcmp(const fastmatch_t *fg ((!fg->reversed \ ? ((type == STR_WIDE) ? ((j + fg->wlen) > len) \ : ((j + fg->len) > len)) \ - : (j < 0))) + : (j <= 0))) /* * Checks whether the new position after shifting in the input string
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