blob: 48af3d3d89a1b5e31bf5219bec9ad47115ae93ea (
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--- 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;
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