diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:30:23 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:30:23 +0200 |
commit | 1de8644cc7c826e0c41e52825bd5a12e2e31e6ca (patch) | |
tree | df1e884080599facaf70d2675c480e999da953e1 /net/ipv6/ip6_input.c | |
parent | 6c3df25511c2c51f2dd36cc52a8d22363d731793 (diff) | |
parent | 481c5346d0981940ee63037eb53e4e37b0735c10 (diff) |
Merge branch 'linus' into sched/develtip-sched-devel-2008-06-23_09.30_Mon
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 4e5c8615832c..17eb48b8e329 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); |