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SubjectRe: [PATCH net] xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto
On Sun, Mar 04, 2018 at 09:03:52PM +0200, wrote:
> From: Yossi Kuperman <>
> Artem Savkov reported that commit 5efec5c655dd leads to a packet loss under
> IPSec configuration. It appears that his setup consists of a TUN device,
> which does not have a MAC header.
> Make sure MAC header exists.
> Note: TUN device sets a MAC header pointer, although it does not have one.
> Fixes: 5efec5c655dd ("xfrm: Fix eth_hdr(skb)->h_proto to reflect inner IP version")
> Reported-by: Artem Savkov <>
> Tested-by: Artem Savkov <>
> Signed-off-by: Yossi Kuperman <>

Applied, thanks Yossi!

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