diff options
| -rw-r--r-- | net/ipv4/icmp.c | 7 | ||||
| -rw-r--r-- | net/ipv6/icmp.c | 7 |
2 files changed, 10 insertions, 4 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index c41f3cc..ce5b4be 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -977,10 +977,13 @@ int icmp_rcv(struct sk_buff *skb) struct icmphdr *icmph; struct rtable *rt = (struct rtable *)skb->dst; - if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb) && skb->sp && - skb->sp->xvec[skb->sp->len - 1]->props.flags & XFRM_STATE_ICMP) { + if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { int nh; + if (!(skb->sp && skb->sp->xvec[skb->sp->len - 1]->props.flags & + XFRM_STATE_ICMP)) + goto drop; + if (!pskb_may_pull(skb, sizeof(*icmph) + sizeof(struct iphdr))) goto drop; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 1659d2f..c3bbd86 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -644,10 +644,13 @@ static int icmpv6_rcv(struct sk_buff *skb) struct icmp6hdr *hdr; int type; - if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb) && skb->sp && - skb->sp->xvec[skb->sp->len - 1]->props.flags & XFRM_STATE_ICMP) { + if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { int nh; + if (!(skb->sp && skb->sp->xvec[skb->sp->len - 1]->props.flags & + XFRM_STATE_ICMP)) + goto drop_no_count; + if (!pskb_may_pull(skb, sizeof(*hdr) + sizeof(*orig_hdr))) goto drop_no_count; |