Re: xt_gateway locks up

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On Oct 26 2007 15:08, Amin Azez wrote:
>It assumes that IF skb->dst is set, that it is a neighbour table entry.
>
>Your code is:
>
>	dst = skb->dst;
>	if ((neigh = dst->neighbour) == NULL)
>		return false;
>
>
>It doesn't consider that skb->dst may be NULL, which it will in PRE_ROUTING.

That's because Patrick said it cannot be NULL :-)
http://marc.info/?l=netfilter-devel&m=118105659716253&w=2

Of course, an oops in an interrupt handler ain't that funny..
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