+++ /dev/null
-From foo@baz Sun May 27 16:52:54 CEST 2018
-From: Florian Westphal <fw@strlen.de>
-Date: Thu, 15 Feb 2018 00:23:05 +0100
-Subject: netfilter: don't set F_IFACE on ipv6 fib lookups
-
-From: Florian Westphal <fw@strlen.de>
-
-[ Upstream commit 47b7e7f82802dced3ac73658bf4b77584a63063f ]
-
-"fib" starts to behave strangely when an ipv6 default route is
-added - the FIB lookup returns a route using 'oif' in this case.
-
-This behaviour was inherited from ip6tables rpfilter so change
-this as well.
-
-Bugzilla: https://bugzilla.netfilter.org/show_bug.cgi?id=1221
-Signed-off-by: Florian Westphal <fw@strlen.de>
-Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- net/ipv6/netfilter/ip6t_rpfilter.c | 4 ----
- net/ipv6/netfilter/nft_fib_ipv6.c | 12 ++----------
- 2 files changed, 2 insertions(+), 14 deletions(-)
-
---- a/net/ipv6/netfilter/ip6t_rpfilter.c
-+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
-@@ -48,10 +48,6 @@ static bool rpfilter_lookup_reverse6(str
- }
-
- fl6.flowi6_mark = flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0;
-- if ((flags & XT_RPFILTER_LOOSE) == 0) {
-- fl6.flowi6_oif = dev->ifindex;
-- lookup_flags |= RT6_LOOKUP_F_IFACE;
-- }
-
- rt = (void *) ip6_route_lookup(net, &fl6, lookup_flags);
- if (rt->dst.error)
---- a/net/ipv6/netfilter/nft_fib_ipv6.c
-+++ b/net/ipv6/netfilter/nft_fib_ipv6.c
-@@ -182,7 +182,6 @@ void nft_fib6_eval(const struct nft_expr
- }
-
- *dest = 0;
-- again:
- rt = (void *)ip6_route_lookup(nft_net(pkt), &fl6, lookup_flags);
- if (rt->dst.error)
- goto put_rt_err;
-@@ -191,15 +190,8 @@ void nft_fib6_eval(const struct nft_expr
- if (rt->rt6i_flags & (RTF_REJECT | RTF_ANYCAST | RTF_LOCAL))
- goto put_rt_err;
-
-- if (oif && oif != rt->rt6i_idev->dev) {
-- /* multipath route? Try again with F_IFACE */
-- if ((lookup_flags & RT6_LOOKUP_F_IFACE) == 0) {
-- lookup_flags |= RT6_LOOKUP_F_IFACE;
-- fl6.flowi6_oif = oif->ifindex;
-- ip6_rt_put(rt);
-- goto again;
-- }
-- }
-+ if (oif && oif != rt->rt6i_idev->dev)
-+ goto put_rt_err;
-
- switch (priv->result) {
- case NFT_FIB_RESULT_OIF: