From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v4.14-stable] sch_netem: restore skb->dev after
 dequeuing from the rbtree
Date: Thu, 18 Oct 2018 15:43:48 -0700 (PDT)
Message-ID: <20181018.154348.2028947036934395230.davem@davemloft.net>
References: <20181018203840.87884-1-cpaasch@apple.com>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: netdev@vger.kernel.org, stable@vger.kernel.org,
        gregkh@linuxfoundation.org, stephen@networkplumber.org,
        edumazet@google.com, soheil@google.com, weiwan@google.com,
        willemb@google.com
To: cpaasch@apple.com
Return-path: <stable-owner@vger.kernel.org>
In-Reply-To: <20181018203840.87884-1-cpaasch@apple.com>
Sender: stable-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

From: Christoph Paasch <cpaasch@apple.com>
Date: Thu, 18 Oct 2018 13:38:40 -0700

> Upstream commit bffa72cf7f9d ("net: sk_buff rbnode reorg") got
> backported as commit 6b921536f170 ("net: sk_buff rbnode reorg") into the
> v4.14.x-tree.
> 
> However, the backport does not include the changes in sch_netem.c
> 
> We need these, as otherwise the skb->dev pointer is not set when
> dequeueing from the netem rbtree, resulting in a panic:
 ...
> Fixes: 6b921536f170 ("net: sk_buff rbnode reorg")
> Cc: Stephen Hemminger <stephen@networkplumber.org>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Soheil Hassas Yeganeh <soheil@google.com>
> Cc: Wei Wang <weiwan@google.com>
> Cc: Willem de Bruijn <willemb@google.com>
> Signed-off-by: Christoph Paasch <cpaasch@apple.com>
> ---
> 
> Notes:
>     This patch should only make it into v4.14-stable as that's the only branch where
>     the offending commit has been backported to.

Greg, please queue up.