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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:37:05 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:37:05 -0700 |
| commit | 0d1d392f011b284bb4af0411b2d36e5d04e0f058 (patch) | |
| tree | 081f99182bde3cc8af49b80b4e9df7d95476e8ed /net/ipv6/ip6_input.c | |
| parent | fa180eb448fa263cf18dd930143b515d27d70d7b (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
| download | kernel_goldelico_gta04-0d1d392f011b284bb4af0411b2d36e5d04e0f058.zip kernel_goldelico_gta04-0d1d392f011b284bb4af0411b2d36e5d04e0f058.tar.gz kernel_goldelico_gta04-0d1d392f011b284bb4af0411b2d36e5d04e0f058.tar.bz2 | |
Merge 3.9-rc7 into driver-core-next
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 |