ipvs: Keep skb->sk when allocating headroom on tunnel xmit
ip_vs_prepare_tunneled_skb() ignores ->sk when allocating a new skb, either unconditionally setting ->sk to NULL or allowing the uninitialized ->sk from a newly allocated skb to leak through to the caller. This patch properly copies ->sk and increments its reference count. Signed-off-by: Calvin Owens <calvinowens@fb.com> Acked-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au>
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@ -846,6 +846,8 @@ ip_vs_prepare_tunneled_skb(struct sk_buff *skb, int skb_af,
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new_skb = skb_realloc_headroom(skb, max_headroom);
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if (!new_skb)
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goto error;
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if (skb->sk)
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skb_set_owner_w(new_skb, skb->sk);
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consume_skb(skb);
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skb = new_skb;
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}
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