netdev - Re: [PATCH net] tcp: also NULL skb->dev when copy was needed

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Message-Id: <20200320.193723.1208553586790382517.davem@davemloft.net>
Date:   Fri, 20 Mar 2020 19:37:23 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     fw@...len.de
Cc:     netdev@...r.kernel.org, edumazet@...gle.com
Subject: Re: [PATCH net] tcp: also NULL skb->dev when copy was needed

From: Florian Westphal <fw@...len.de>
Date: Fri, 20 Mar 2020 16:52:02 +0100

> In rare cases retransmit logic will make a full skb copy, which will not
> trigger the zeroing added in recent change
> b738a185beaa ("tcp: ensure skb->dev is NULL before leaving TCP stack").
> 
> Cc: Eric Dumazet <edumazet@...gle.com>
> Fixes: 75c119afe14f ("tcp: implement rb-tree based retransmit queue")
> Fixes: 28f8bfd1ac94 ("netfilter: Support iif matches in POSTROUTING")
> Signed-off-by: Florian Westphal <fw@...len.de>

Applied and queued up for -stable.