diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 07:47:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 07:47:47 +0200 |
| commit | 93022136fff9e6130aa128a5ed8a599e93ac813c (patch) | |
| tree | 185390fb75a3d7423cc508610b76637c957205b9 /net/ipv6/ip6_input.c | |
| parent | c49c412a47b5102516d3313d4eba38cb1e968721 (diff) | |
| parent | b7279469d66b55119784b8b9529c99c1955fe747 (diff) | |
Merge commit 'v2.6.26-rc9' into x86/cpu
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 4e5c8615832..17eb48b8e32 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -102,6 +102,15 @@ 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); |