netdev - Re: Two net_sched fixes for stable

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Message-Id: <20180206.152026.385299397181734332.davem@davemloft.net>
Date:   Tue, 06 Feb 2018 15:20:26 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     fli4l@...nke-prem.de, jiri@...lanox.com, netdev@...r.kernel.org
Subject: Re: Two net_sched fixes for stable

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Tue, 6 Feb 2018 11:25:10 -0800

> Can you queue the following commits for stable? They fix a
> sleep-in-atomic warning reported by Roland.
> 
> commit efbf78973978b0d25af59bc26c8013a942af6e64
> Author: Cong Wang <xiyou.wangcong@...il.com>
> Date:   Mon Dec 4 10:48:18 2017 -0800
> 
>     net_sched: get rid of rcu_barrier() in tcf_block_put_ext()
> 
> commit df45bf84e4f5a48f23d4b1a07d21d566e8b587b2
> Author: Jiri Pirko <jiri@...lanox.com>
> Date:   Fri Dec 8 19:27:27 2017 +0100
> 
>     net: sched: fix use-after-free in tcf_block_put_ext
> 
> This problem was introduced by:
> 
> commit e2ef75445340ca7ec2c4558f84ae6c8c5d650fc8
> Author: Cong Wang <xiyou.wangcong@...il.com>
> Date:   Mon Sep 11 16:33:31 2017 -0700
> 
>     net_sched: fix reference counting of tc filter chain
> 
> so should apply to 4.14 too.
> 
> For 4.15, they can just apply nearly cleanly. However, it is not
> straight-forward to cherry pick them to 4.14 due to some big changes
> between 4.14 and 4.15.
> 
> Please let me know how you want to handle this for 4.14.

Ok, I sent this off for 4.15 -stable but I need you to do the
4.14 backport.

Thank you.