From 8a2db35a8aae8fe1dd9a37bd5e7e316c9aaf8a7d Mon Sep 17 00:00:00 2001
From: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date: Fri, 15 Mar 2013 17:44:11 +0800
Subject: [PATCH] route(8): Fix a possible infinite loop in "route flush"

Obtained-from: FreeBSD 230989
DragonFly-bug: http://bugs.dragonflybsd.org/issues/2523
---
 sbin/route/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sbin/route/route.c b/sbin/route/route.c
index ee4cc88710..4b78626e18 100644
--- a/sbin/route/route.c
+++ b/sbin/route/route.c
@@ -462,7 +462,7 @@ netname(struct sockaddr *sa)
 			 * width subnet fields.
 			 */
 			while (in.s_addr &~ mask)
-				mask = (long)mask >> subnetshift;
+				mask |= mask >> subnetshift;
 			net = in.s_addr & mask;
 			while ((mask & 1) == 0)
 				mask >>= 1, net >>= 1;
-- 
2.41.0