diff options
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_tcp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 156680ddb042..5a6fcf349bdf 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -970,6 +970,12 @@ static int tcp_packet(struct nf_conn *conntrack, conntrack->timeout.function((unsigned long) conntrack); return -NF_REPEAT; + } else { + write_unlock_bh(&tcp_lock); + if (LOG_INVALID(IPPROTO_TCP)) + nf_log_packet(pf, 0, skb, NULL, NULL, + NULL, "nf_ct_tcp: invalid SYN"); + return -NF_ACCEPT; } case TCP_CONNTRACK_CLOSE: if (index == TCP_RST_SET |