diff options
| -rw-r--r-- | net/ipv6/ndisc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 429622d74705..350f86005c13 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -671,6 +671,11 @@ static void ndisc_recv_ns(struct sk_buff *skb) bool inc; int is_router = -1; + if (skb->len < sizeof(struct nd_msg)) { + ND_PRINTK(2, warn, "NS: packet too short\n"); + return; + } + if (ipv6_addr_is_multicast(&msg->target)) { ND_PRINTK(2, warn, "NS: multicast target address\n"); return; |