diff options
| author | Ingo Molnar | 2008-06-25 12:30:54 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-06-25 12:30:54 +0200 |
| commit | 0ed368c71aa65cba8d349432bd4dab4a9a2eb39c (patch) | |
| tree | 7746534bafd57f6764bda8f26efc3929a4acf914 /net/ipv6/ip6_input.c | |
| parent | Merge branch 'linus' into x86/kconfig (diff) | |
| parent | Linux 2.6.26-rc8 (diff) | |
| download | kernel-qcow2-linux-0ed368c71aa65cba8d349432bd4dab4a9a2eb39c.tar.gz kernel-qcow2-linux-0ed368c71aa65cba8d349432bd4dab4a9a2eb39c.tar.xz kernel-qcow2-linux-0ed368c71aa65cba8d349432bd4dab4a9a2eb39c.zip | |
Merge branch 'linus' into x86/kconfig
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); |