1 files changed, 2 insertions, 0 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c5bbece7f9f2..c518e4ec0cea 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -937,6 +937,8 @@ struct dst_entry * ip6_route_output(struct net *net, const struct sock *sk,
 {
         int flags = 0;
 
+        fl6->flowi6_iif = net->loopback_dev->ifindex;
+
         if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
                 flags |= RT6_LOOKUP_F_IFACE;