[patch 10/23] [PATCH] [NETFILTER] refcount leak of proto when ctnetlink dumping tuple

[Chris Wright]

-stable review patch.  If anyone has any objections, please let us know.
------------------

---
 net/ipv4/netfilter/ip_conntrack_netlink.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- linux-2.6.14.2.orig/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ linux-2.6.14.2/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -58,14 +58,17 @@ ctnetlink_dump_tuples_proto(struct sk_bu
 			    const struct ip_conntrack_tuple *tuple)
 {
 	struct ip_conntrack_protocol *proto;
+	int ret = 0;
 
 	NFA_PUT(skb, CTA_PROTO_NUM, sizeof(u_int8_t), &tuple->dst.protonum);
 
 	proto = ip_conntrack_proto_find_get(tuple->dst.protonum);
-	if (proto && proto->tuple_to_nfattr)
-		return proto->tuple_to_nfattr(skb, tuple);
+	if (likely(proto && proto->tuple_to_nfattr)) {
+		ret = proto->tuple_to_nfattr(skb, tuple);
+		ip_conntrack_proto_put(proto);
+	}
 
-	return 0;
+	return ret;
 
 nfattr_failure:
 	return -1;

--
-
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