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: NCalvin Owens <calvinowens@fb.com> Acked-by: NJulian Anastasov <ja@ssi.bg> Signed-off-by: NSimon Horman <horms@verge.net.au>
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