diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/dccp/ipv6.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 25826b1bf685..5e1ee0da2c40 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -96,6 +96,12 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, __u64 seq; struct net *net = dev_net(skb->dev); + if (skb->len < offset + sizeof(*dh) || + skb->len < offset + __dccp_basic_hdr_len(dh)) { + ICMP6_INC_STATS_BH(__in6_dev_get(skb->dev), ICMP6_MIB_INERRORS); + return; + } + sk = inet6_lookup(net, &dccp_hashinfo, &hdr->daddr, dh->dccph_dport, &hdr->saddr, dh->dccph_sport, inet6_iif(skb)); |