From: wenxu <wenxu@xxxxxxxxxxxxxxx> The nf_flow_table gets route through ip_route_output_key. If the saddr is not local one, then FLOWI_FLAG_ANYSRC flag should be set. Without this flag, the route lookup for other_dst will fail. Fixes: 3412e1641828 (netfilter: flowtable: nft_flow_route use more data for reverse route) Signed-off-by: wenxu <wenxu@xxxxxxxxxxxxxxx> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- net/netfilter/nft_flow_offload.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c index a16cf47199b7..20e5f372dd76 100644 --- a/net/netfilter/nft_flow_offload.c +++ b/net/netfilter/nft_flow_offload.c @@ -237,6 +237,7 @@ static int nft_flow_route(const struct nft_pktinfo *pkt, fl.u.ip4.flowi4_iif = this_dst->dev->ifindex; fl.u.ip4.flowi4_tos = RT_TOS(ip_hdr(pkt->skb)->tos); fl.u.ip4.flowi4_mark = pkt->skb->mark; + fl.u.ip4.flowi4_flags = FLOWI_FLAG_ANYSRC; break; case NFPROTO_IPV6: fl.u.ip6.daddr = ct->tuplehash[dir].tuple.src.u3.in6; @@ -245,6 +246,7 @@ static int nft_flow_route(const struct nft_pktinfo *pkt, fl.u.ip6.flowi6_iif = this_dst->dev->ifindex; fl.u.ip6.flowlabel = ip6_flowinfo(ipv6_hdr(pkt->skb)); fl.u.ip6.flowi6_mark = pkt->skb->mark; + fl.u.ip6.flowi6_flags = FLOWI_FLAG_ANYSRC; break; } -- 2.30.2
