From 2b9f2b26d466ce4ddd1c6996eea45f043f46f25d Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 25 Jun 2012 11:18:14 +0000
Subject: [PATCH] -boundscheck

---
 src/regex/regex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/regex/regex.c b/src/regex/regex.c
index b0fb4c175..99a9fd3b9 100644
--- a/src/regex/regex.c
+++ b/src/regex/regex.c
@@ -931,7 +931,7 @@ remove_epsilon (const char *str)
 static int
 strkcmp (const char *str1, const char *str2, size_t k)
 {
-  if (NULL == str1 || NULL == str2)
+  if ( (NULL == str1) || (NULL == str2) || (strlen(str1) < k) )
     return -1;
   return strcmp (&str1[k], str2);
 }
-- 
2.25.1