From 50b487d01e495416f3b24c7fe9812d576bb0f340 Mon Sep 17 00:00:00 2001
From: Alexander Bluhm <bluhm@cvs.openbsd.org>
Date: Fri, 8 Feb 2019 16:52:55 +0000
Subject: Fix kernel info leak in routing message. from NetBSD; OK deraadt@
 visa@

---
 sys/net/rtsock.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sys/net/rtsock.c')

diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index 89315b49466..a77e94c2ed5 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rtsock.c,v 1.282 2019/02/04 21:40:52 bluhm Exp $	*/
+/*	$OpenBSD: rtsock.c,v 1.283 2019/02/08 16:52:54 bluhm Exp $	*/
 /*	$NetBSD: rtsock.c,v 1.18 1996/03/29 00:32:10 cgd Exp $	*/
 
 /*
@@ -1466,7 +1466,8 @@ again:
 		if (w->w_needed <= 0 && w->w_where) {
 			if (w->w_tmemsize < len) {
 				free(w->w_tmem, M_RTABLE, w->w_tmemsize);
-				w->w_tmem = malloc(len, M_RTABLE, M_NOWAIT);
+				w->w_tmem = malloc(len, M_RTABLE,
+				    M_NOWAIT | M_ZERO);
 				if (w->w_tmem)
 					w->w_tmemsize = len;
 			}
-- 
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