===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/auth-options.c,v
retrieving revision 1.57
retrieving revision 1.57.2.1
diff -u -r1.57 -r1.57.2.1
--- src/usr.bin/ssh/auth-options.c	2012/12/02 20:46:11	1.57
+++ src/usr.bin/ssh/auth-options.c	2013/11/08 05:52:21	1.57.2.1
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth-options.c,v 1.57 2012/12/02 20:46:11 djm Exp $ */
+/* $OpenBSD: auth-options.c,v 1.57.2.1 2013/11/08 05:52:21 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -237,7 +237,7 @@
 			auth_debug_add("Adding to environment: %.900s", s);
 			debug("Adding to environment: %.900s", s);
 			opts++;
-			new_envstring = xmalloc(sizeof(struct envstring));
+			new_envstring = xcalloc(1, sizeof(struct envstring));
 			new_envstring->s = s;
 			new_envstring->next = custom_environment;
 			custom_environment = new_envstring;