From: Roy Marples <roy@marples.name>
Date: Sun, 1 Sep 2024 15:42:29 +0000 (+0100)
Subject: IPv6: Ignore loopback address for any global consideration
X-Git-Tag: v10.1.0~17
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=ae3d1b550a55936f6d39aa17638d87619bf328ee;p=thirdparty%2Fdhcpcd.git

IPv6: Ignore loopback address for any global consideration
---

diff --git a/src/ipv6.c b/src/ipv6.c
index d4db8937..f08c661c 100644
--- a/src/ipv6.c
+++ b/src/ipv6.c
@@ -1136,7 +1136,8 @@ ipv6_anyglobal(struct interface *sifp)
 			continue;
 
 		TAILQ_FOREACH(ia, &state->addrs, next) {
-			if (IN6_IS_ADDR_LINKLOCAL(&ia->addr))
+			if (IN6_IS_ADDR_LINKLOCAL(&ia->addr) ||
+			    IN6_IS_ADDR_LOOPBACK(&ia->addr))
 				continue;
 			/* Let's be optimistic.
 			 * Any decent OS won't forward or accept traffic