| Date | Wed, 07 Mar 2007 09:11:10 -0800 | From | Greg KH <> | Subject | [patch 035/101] Clear TCP segmentation offload state in ipt_REJECT |
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From: Herbert Xu <herbert@gondor.apana.org.au>
[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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- net/ipv4/netfilter/ipt_REJECT.c | 4 ++++ 1 file changed, 4 insertions(+)
--- linux-2.6.20.1.orig/net/ipv4/netfilter/ipt_REJECT.c +++ linux-2.6.20.1/net/ipv4/netfilter/ipt_REJECT.c @@ -79,6 +79,10 @@ static void send_reset(struct sk_buff *o 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 */ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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