ipvs: Reject ipv6 link-local addresses for destinations
We can't use non-local link-local addresses for destinations, without
knowing the interface on which we can reach the address. Reject them for
now.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Acked-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index d2dc05a..e53efe4 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -838,7 +838,8 @@
#ifdef CONFIG_IP_VS_IPV6
if (svc->af == AF_INET6) {
atype = ipv6_addr_type(&udest->addr.in6);
- if (!(atype & IPV6_ADDR_UNICAST) &&
+ if ((!(atype & IPV6_ADDR_UNICAST) ||
+ atype & IPV6_ADDR_LINKLOCAL) &&
!__ip_vs_addr_is_local_v6(&udest->addr.in6))
return -EINVAL;
} else