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xfrm: Reset encapsulation field of the skb before transformation
The inner headers are invalid after a xfrm transformation. So reset the skb encapsulation field to ensure nobody tries to access the inner headers. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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@ -99,6 +99,9 @@ static int xfrm_output_one(struct sk_buff *skb, int err)
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skb_dst_force(skb);
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/* Inner headers are invalid now. */
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skb->encapsulation = 0;
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err = x->type->output(x, skb);
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if (err == -EINPROGRESS)
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goto out;
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