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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-06 14:23:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-06 14:23:39 +0200 |
| commit | 68083e05d72d94f347293d8cc0067050ba904bfa (patch) | |
| tree | 842e71365bd90866be7add181661a4039d891564 /net/ipv6/ip6_input.c | |
| parent | 7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff) | |
| parent | b7279469d66b55119784b8b9529c99c1955fe747 (diff) | |
Merge commit 'v2.6.26-rc9' into cpus4096
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); |