diff options
| author | Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> | 2005-11-09 12:58:46 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-11-09 12:58:46 -0800 |
| commit | eaae4fa45e0f4cd1da0f00ae93551edb1002b2b9 (patch) | |
| tree | 60834444b32069e871f8480464946b9fb62ccd71 /net | |
| parent | 46998f59c03ecbd7c2250810f35af6fe24868845 (diff) | |
| download | linux-0-day-eaae4fa45e0f4cd1da0f00ae93551edb1002b2b9.tar.gz linux-0-day-eaae4fa45e0f4cd1da0f00ae93551edb1002b2b9.tar.xz | |
[NETFILTER]: refcount leak of proto when ctnetlink dumping tuple
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_netlink.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c index 431a446994f6b..02f303cf201e3 100644 --- a/net/ipv4/netfilter/ip_conntrack_netlink.c +++ b/net/ipv4/netfilter/ip_conntrack_netlink.c @@ -58,14 +58,17 @@ ctnetlink_dump_tuples_proto(struct sk_buff *skb, 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; |