grep branch, master, updated. v2.6.3-71-g80eab7f

[Paolo Bonzini]

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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/grep.git/commit/?id=80eab7f9725cce44f147e1332ee8d63a8628e17f


commit 80eab7f9725cce44f147e1332ee8d63a8628e17f
Author: Bruno Haible <address@hidden>
Date:   Mon May 24 13:07:07 2010 +0200

    search: Avoid out-of-bounds access.
    
    * src/dfasearch.c (EGexecute): Avoid access beyond end of buffer
    that could happen if start != beg - buf.

diff --git a/src/dfasearch.c b/src/dfasearch.c
index 6178b33..4ccb6dc 100644
--- a/src/dfasearch.c
+++ b/src/dfasearch.c
@@ -326,7 +326,7 @@ EGexecute (char const *buf, size_t size, size_t *match_size,
                 while (match <= best_match)
                   {
                     if ((match == buf || !WCHAR ((unsigned char) match[-1]))
-                        && (len == end - beg - 1
+                        && (start + len == end - buf - 1
                             || !WCHAR ((unsigned char) match[len])))
                       goto assess_pattern_match;
                     if (len > 0)

-----------------------------------------------------------------------

Summary of changes:
 src/dfasearch.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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