diff options
| author | Jan Kara <jack@suse.cz> | 2008-06-24 11:43:00 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2008-06-24 11:43:00 +0200 |
| commit | 19fd426a18b48a0446ba4b54ac66264916dcb7f3 (patch) | |
| tree | b9e0f2bc35e746c14f5e5e5519ed79f1eb4b0f98 /net/ipv6/ip6_input.c | |
| parent | e8183c2452041326c95258ecc7865b6fcd91c730 (diff) | |
| parent | 62786b9e81a2dbe9c073a2ade52d33a2627d6d85 (diff) | |
Merge branch 'master' into for_mm
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); |