diff options
| -rw-r--r-- | net/ipv4/ip_output.c | 3 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_standalone.c | 7 | ||||
| -rw-r--r-- | net/packet/af_packet.c | 6 |
3 files changed, 13 insertions, 3 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 760dc8238d6..03189967dc9 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -111,7 +111,6 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb) #ifdef CONFIG_NETFILTER_DEBUG nf_debug_ip_loopback_xmit(newskb); #endif - nf_reset(newskb); netif_rx(newskb); return 0; } @@ -196,8 +195,6 @@ static inline int ip_finish_output2(struct sk_buff *skb) nf_debug_ip_finish_output2(skb); #endif /*CONFIG_NETFILTER_DEBUG*/ - nf_reset(skb); - if (hh) { int hh_alen; diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c index bc59f7b3980..38f71fc21c7 100644 --- a/net/ipv4/netfilter/ip_conntrack_standalone.c +++ b/net/ipv4/netfilter/ip_conntrack_standalone.c @@ -432,6 +432,13 @@ static unsigned int ip_conntrack_defrag(unsigned int hooknum, const struct net_device *out, int (*okfn)(struct sk_buff *)) { +#if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE) + /* Previously seen (loopback)? Ignore. Do this before + fragment check. */ + if ((*pskb)->nfct) + return NF_ACCEPT; +#endif + /* Gather fragments. */ if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) { *pskb = ip_ct_gather_frags(*pskb, diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 0269616e75a..c9d5980aa4d 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -274,6 +274,9 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct dst_release(skb->dst); skb->dst = NULL; + /* drop conntrack reference */ + nf_reset(skb); + spkt = (struct sockaddr_pkt*)skb->cb; skb_push(skb, skb->data-skb->mac.raw); @@ -517,6 +520,9 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packe dst_release(skb->dst); skb->dst = NULL; + /* drop conntrack reference */ + nf_reset(skb); + spin_lock(&sk->sk_receive_queue.lock); po->stats.tp_packets++; __skb_queue_tail(&sk->sk_receive_queue, skb); |