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authorHerbert Xu <herbert@gondor.apana.org.au>2007-02-13 20:32:58 (GMT)
committerDavid S. Miller <davem@davemloft.net>2007-02-13 20:32:58 (GMT)
commitbbf4a6bc8c4d59a0a9033fc2cb96ec03430c96e4 (patch)
tree7e1e3dec020ff2eab0b3683be07f87aac3fea915
parent65610fbab35b0570df4a9d0e77e111f85606b312 (diff)
downloadlinux-bbf4a6bc8c4d59a0a9033fc2cb96ec03430c96e4.tar.xz
[NETFILTER]: Clear GSO bits for TCP reset packet
The TCP reset packet is copied from the original. This includes all the GSO bits which do not apply to the new packet. So we should clear those bits. Spotted by Patrick McHardy. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index a9eb363..80f739e 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -80,6 +80,10 @@ static void send_reset(struct sk_buff *oldskb, int hook)
nskb->mark = 0;
skb_init_secmark(nskb);
+ skb_shinfo(nskb)->gso_size = 0;
+ skb_shinfo(nskb)->gso_segs = 0;
+ skb_shinfo(nskb)->gso_type = 0;
+
tcph = (struct tcphdr *)((u_int32_t*)nskb->nh.iph + nskb->nh.iph->ihl);
/* Swap source and dest */