diff -up bash-4.1/bashline.c.crash bash-4.1/bashline.c
--- bash-4.1/bashline.c.crash	2010-03-09 14:26:06.000000000 +0100
+++ bash-4.1/bashline.c	2010-03-09 14:46:10.000000000 +0100
@@ -1700,7 +1700,8 @@ globword:
 	    return ((char *)NULL);
 	}
 
-      while (val = glob_matches[local_index++])
+      /* make sure glob_matches is not NULL */
+      while (glob_matches && (val = glob_matches[local_index++]))
         {
 	  if (executable_or_directory (val))
 	    {