netdev - Re: [PATCH net-n] net/sched: stop qdisc_tree_reduce_backlog on TC_H

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Message-Id: 
 <173022723476.784474.8433648139537058569.git-patchwork-notify@kernel.org>
Date: Tue, 29 Oct 2024 18:40:34 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jamal Hadi Salim <jhs@...atatu.com>
Cc: netdev@...r.kernel.org, markovicbudimir@...il.com, victor@...atatu.com,
 pctammela@...atatu.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, xiyou.wangcong@...il.com,
 jiri@...nulli.us
Subject: Re: [PATCH net-n] net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT

Hello:

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

On Thu, 24 Oct 2024 12:55:47 -0400 you wrote:
> From: Pedro Tammela <pctammela@...atatu.com>
> 
> In qdisc_tree_reduce_backlog, Qdiscs with major handle ffff: are assumed
> to be either root or ingress. This assumption is bogus since it's valid
> to create egress qdiscs with major handle ffff:
> Budimir Markovic found that for qdiscs like DRR that maintain an active
> class list, it will cause a UAF with a dangling class pointer.
> 
> [...]

Here is the summary with links:
  - [net-n] net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT
    https://git.kernel.org/netdev/net/c/2e95c4384438

You are awesome, thank you!
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