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Commit 3bfb92f4 authored by Sven Wegener's avatar Sven Wegener Committed by Simon Horman
Browse files

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: default avatarSven Wegener <sven.wegener@stealer.net>
Acked-by: default avatarJulius Volz <juliusv@google.com>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
parent 77eb8516

net/ipv4/ipvs/ip_vs_ctl.c

+2 −1
Original line number Diff line number Diff line
@@ -838,7 +838,8 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest, 
#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