netdev - Re: [PATCH net] net: sched: disallow noqueue for qdisc classes

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Date:   Wed, 11 Jan 2023 02:30:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Frederick Lawler <fred@...udflare.com>
Cc:     jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        kuba@...nel.org, linux-kernel@...r.kernel.org, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com, zymon.heidrich@...il.com,
        phil@....cc, netdev@...r.kernel.org, kernel-team@...udflare.com,
        stable@...r.kernel.org, jakub@...udflare.com
Subject: Re: [PATCH net] net: sched: disallow noqueue for qdisc classes

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Mon,  9 Jan 2023 10:39:06 -0600 you wrote:
> While experimenting with applying noqueue to a classful queue discipline,
> we discovered a NULL pointer dereference in the __dev_queue_xmit()
> path that generates a kernel OOPS:
> 
>     # dev=enp0s5
>     # tc qdisc replace dev $dev root handle 1: htb default 1
>     # tc class add dev $dev parent 1: classid 1:1 htb rate 10mbit
>     # tc qdisc add dev $dev parent 1:1 handle 10: noqueue
>     # ping -I $dev -w 1 -c 1 1.1.1.1
> 
> [...]

Here is the summary with links:
  - [net] net: sched: disallow noqueue for qdisc classes
    https://git.kernel.org/netdev/net/c/96398560f26a

You are awesome, thank you!
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