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[XFRM_TUNNEL]: Reload header pointer after pskb_may_pull/pskb_expand_head
Please consider applying, this was found on your latest net-2.6 tree while playing around with that ip_hdr() + turn skb->nh/h/mac pointers as offsets on 64 bits idea :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -111,6 +111,7 @@ static int xfrm4_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
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(err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
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goto out;
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iph = skb->nh.iph;
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if (iph->protocol == IPPROTO_IPIP) {
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if (x->props.flags & XFRM_STATE_DECAP_DSCP)
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ipv4_copy_dscp(iph, skb->h.ipiph);
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