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Date:	Mon, 05 May 2014 16:32:58 -0400 (EDT)
From:	David Miller <>
Subject: Re: [PATCH net v3] ip_tunnel: Set network header properly for

From: Ying Cai <>
Date: Sun,  4 May 2014 15:20:04 -0700

> In ip_tunnel_rcv(), set skb->network_header to inner IP header
> before IP_ECN_decapsulate().
> Without the fix, IP_ECN_decapsulate() takes outer IP header as
> inner IP header, possibly causing error messages or packet drops.
> Note that this skb_reset_network_header() call was in this spot when
> the original feature for checking consistency of ECN bits through
> tunnels was added in eccc1bb8d4b4 ("tunnel: drop packet if ECN present
> with not-ECT"). It was only removed from this spot in 3d7b46cd20e3
> ("ip_tunnel: push generic protocol handling to ip_tunnel module.").
> Fixes: 3d7b46cd20e3 ("ip_tunnel: push generic protocol handling to ip_tunnel module.")
> Reported-by: Neal Cardwell <>
> Signed-off-by: Ying Cai <>
> Acked-by: Neal Cardwell <>

Applied and queued up for -stable, thanks.
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