diff options
author | Xin Long <lucien.xin@gmail.com> | 2019-03-13 16:33:29 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-04 09:20:12 +0200 |
commit | a5374a3086d65af1282a196f8303ca4b2ec635a7 (patch) | |
tree | e37c1d050dc3a3216adeac3be602f3370f8fbbfc /net/bridge/br_netfilter_ipv6.c | |
parent | 5f7e5b9bba197ae6520a1a9655ea15212cae0697 (diff) |
netfilter: bridge: set skb transport_header before entering NF_INET_PRE_ROUTING
[ Upstream commit e166e4fdaced850bee3d5ee12a5740258fb30587 ]
Since Commit 21d1196a35f5 ("ipv4: set transport header earlier"),
skb->transport_header has been always set before entering INET
netfilter. This patch is to set skb->transport_header for bridge
before entering INET netfilter by bridge-nf-call-iptables.
It also fixes an issue that sctp_error() couldn't compute a right
csum due to unset skb->transport_header.
Fixes: e6d8b64b34aa ("net: sctp: fix and consolidate SCTP checksumming code")
Reported-by: Li Shuang <shuali@redhat.com>
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
Diffstat (limited to 'net/bridge/br_netfilter_ipv6.c')
-rw-r--r-- | net/bridge/br_netfilter_ipv6.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index 5811208863b7..09d5e0c7b3ba 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -235,6 +235,8 @@ unsigned int br_nf_pre_routing_ipv6(void *priv, nf_bridge->ipv6_daddr = ipv6_hdr(skb)->daddr; skb->protocol = htons(ETH_P_IPV6); + skb->transport_header = skb->network_header + sizeof(struct ipv6hdr); + NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING, state->net, state->sk, skb, skb->dev, NULL, br_nf_pre_routing_finish_ipv6); |