https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197286
--- Comment #4 from Andrey V. Elsukov <a...@freebsd.org> ---
r274300 is very dangerous for merging to stable/10. Can you try this patch
instead? It disables LLE operations for tunneling interfaces, and therefore
ip6_input() will go through another code path for such packets.
Index: in6.c
===================================================================
--- in6.c (revision 279514)
+++ in6.c (working copy)
@@ -155,6 +155,8 @@ in6_ifaddloop(struct ifaddr *ifa)
ia = ifa2ia6(ifa);
ifp = ifa->ifa_ifp;
+ if (nd6_need_cache(ifp) == 0)
+ return;
IF_AFDATA_LOCK(ifp);
ifa->ifa_rtrequest = nd6_rtrequest;
ln = lla_lookup(LLTABLE6(ifp), (LLE_CREATE | LLE_IFADDR |
Index: nd6.c
===================================================================
--- nd6.c (revision 279514)
+++ nd6.c (working copy)
@@ -2185,9 +2185,6 @@ nd6_need_cache(struct ifnet *ifp)
case IFT_IEEE80211:
#endif
case IFT_INFINIBAND:
- case IFT_GIF: /* XXX need more cases? */
- case IFT_PPP:
- case IFT_TUNNEL:
case IFT_BRIDGE:
case IFT_PROPVIRTUAL:
return (1);
--
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