netdev - Re: [PATCH net v3] net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq

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Message-Id: 
 <176788980679.3708662.5422186545294413281.git-patchwork-notify@kernel.org>
Date: Thu, 08 Jan 2026 16:30:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Xiang Mei <xmei5@....edu>
Cc: security@...nel.org, netdev@...r.kernel.org, jhs@...atatu.com,
 xiyou.wangcong@...il.com, jiri@...nulli.us
Subject: Re: [PATCH net v3] net/sched: sch_qfq: Fix NULL deref when
 deactivating
 inactive aggregate in qfq_reset

Hello:

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

On Mon,  5 Jan 2026 20:41:00 -0700 you wrote:
> `qfq_class->leaf_qdisc->q.qlen > 0` does not imply that the class
> itself is active.
> 
> Two qfq_class objects may point to the same leaf_qdisc. This happens
> when:
> 
> 1. one QFQ qdisc is attached to the dev as the root qdisc, and
> 
> [...]

Here is the summary with links:
  - [net,v3] net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset
    https://git.kernel.org/netdev/net/c/c1d73b148023

You are awesome, thank you!
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