diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 19:13:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 19:13:28 -0700 |
| commit | 11b397e6eb12191300ca19290f29f51f61118953 (patch) | |
| tree | 6e0f8cb52cbcdb02108755f3d643a025a943bd79 /net/ipv6/ip6_input.c | |
| parent | e1c969f7814dcd23bbfe8d777544321a492b6fee (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
| download | op-kernel-dev-11b397e6eb12191300ca19290f29f51f61118953.zip op-kernel-dev-11b397e6eb12191300ca19290f29f51f61118953.tar.gz | |
Merge 3.9-rc7 intp tty-next
We want the fixes here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6/ip6_input.c')
| -rw-r--r-- | net/ipv6/ip6_input.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index e33fe0a..2bab2aa 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -118,6 +118,18 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt ipv6_addr_loopback(&hdr->daddr)) goto err; + /* RFC4291 Errata ID: 3480 + * Interface-Local scope spans only a single interface on a + * node and is useful only for loopback transmission of + * multicast. Packets with interface-local scope received + * from another node must be discarded. + */ + if (!(skb->pkt_type == PACKET_LOOPBACK || + dev->flags & IFF_LOOPBACK) && + ipv6_addr_is_multicast(&hdr->daddr) && + IPV6_ADDR_MC_SCOPE(&hdr->daddr) == 1) + goto err; + /* RFC4291 2.7 * Nodes must not originate a packet to a multicast address whose scope * field contains the reserved value 0; if such a packet is received, it |
