diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 4abbec2f47ef..4acbbc703e79 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -1031,16 +1031,22 @@ static void icmp_socket_deliver(struct sk_buff *skb, u32 info) /* Checkin full IP header plus 8 bytes of protocol to * avoid additional coding at protocol handlers. */ - if (!pskb_may_pull(skb, iph->ihl * 4 + 8)) { - __ICMP_INC_STATS(dev_net_rcu(skb->dev), ICMP_MIB_INERRORS); - return; - } + if (!pskb_may_pull(skb, iph->ihl * 4 + 8)) + goto out; + + /* IPPROTO_RAW sockets are not supposed to receive anything. */ + if (protocol == IPPROTO_RAW) + goto out; raw_icmp_error(skb, protocol, info); ipprot = rcu_dereference(inet_protos[protocol]); if (ipprot && ipprot->err_handler) ipprot->err_handler(skb, info); + return; + +out: + __ICMP_INC_STATS(dev_net_rcu(skb->dev), ICMP_MIB_INERRORS); } static bool icmp_tag_validation(int proto) diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 9d37e7711bc2..a77f3113ef23 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -1066,6 +1066,12 @@ enum skb_drop_reason icmpv6_notify(struct sk_buff *skb, u8 type, if (reason != SKB_NOT_DROPPED_YET) goto out; + if (nexthdr == IPPROTO_RAW) { + /* Add a more specific reason later ? */ + reason = SKB_DROP_REASON_NOT_SPECIFIED; + goto out; + } + /* BUGGG_FUTURE: we should try to parse exthdrs in this packet. Without this we will not able f.e. to make source routed pmtu discovery.