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| author | David S. Miller <davem@davemloft.net> | 2008-06-28 01:19:40 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-28 01:19:40 -0700 |
| commit | 1b63ba8a86c85524a8d7e5953b314ce71ebcb9c9 (patch) | |
| tree | fe3dc41cbb47ae12b7c3faf6a88b097349e50d5a /net/ipv6/ip6_input.c | |
| parent | e35c3269edba151e1c703d87068a28ce2cd65bb0 (diff) | |
| parent | d420895efb259a78dda50f95289571faa6e10e41 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl4965-base.c
Diffstat (limited to 'net/ipv6/ip6_input.c')
| -rw-r--r-- | net/ipv6/ip6_input.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index f77a6011c302..34e5a96623ae 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -100,6 +100,15 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt if (hdr->version != 6) goto err; + /* + * RFC4291 2.5.3 + * A packet received on an interface with a destination address + * of loopback must be dropped. + */ + if (!(dev->flags & IFF_LOOPBACK) && + ipv6_addr_loopback(&hdr->daddr)) + goto err; + skb->transport_header = skb->network_header + sizeof(*hdr); IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr); |