diff options
| -rw-r--r-- | net/sched/act_nat.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index d885ba3..5709494 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -159,6 +159,9 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, iph->daddr = new_addr; csum_replace4(&iph->check, addr, new_addr); + } else if ((iph->frag_off & htons(IP_OFFSET)) || + iph->protocol != IPPROTO_ICMP) { + goto out; } ihl = iph->ihl * 4; @@ -247,6 +250,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, break; } +out: return action; drop: |