Subject: netfilter 06/41: log invalid new icmpv6 packet with nf_log_packet()

From: Patrick McHardy <[email-masked]>
Date: Tue, 24 Mar 2009 15:03:14 +0100 (MET)

commit 55df4ac0c927c7f1f84e6d75532f0ca45d391e64
Author: Eric Leblond <[email-masked]>
Date:   Wed Feb 18 16:30:56 2009 +0100

    netfilter: log invalid new icmpv6 packet with nf_log_packet()
    
    This patch adds a logging message for invalid new icmpv6 packet.
    
    Signed-off-by: Eric Leblond <[email-masked]>
    Signed-off-by: Patrick McHardy <[email-masked]>

diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index c323643..165b256 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -126,6 +126,10 @@ static bool icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb,
 		pr_debug("icmpv6: can't create new conn with type %u\n",
 			 type + 128);
 		nf_ct_dump_tuple_ipv6(&ct->tuplehash[0].tuple);
+		if (LOG_INVALID(nf_ct_net(ct), IPPROTO_ICMPV6))
+			nf_log_packet(PF_INET6, 0, skb, NULL, NULL, NULL,
+				      "nf_ct_icmpv6: invalid new with type %d ",
+				      type + 128);
 		return false;
 	}
 	atomic_set(&ct->proto.icmp.count, 0);