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Date: Mon, 7 Jul 2025 10:58:33 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Xiang Mei <xmei5@asu.edu>
Cc: xiyou.wangcong@gmail.com, netdev@vger.kernel.org,
 gregkh@linuxfoundation.org, jhs@mojatatu.com, jiri@resnulli.us,
 security@kernel.org
Subject: Re: [PATCH v1] net/sched: sch_qfq: Fix race condition on
 qfq_aggregate
Message-ID: <20250707105833.0c6926dc@kernel.org>
In-Reply-To: <20250705223958.4079242-1-xmei5@asu.edu>
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On Sat,  5 Jul 2025 15:39:58 -0700 Xiang Mei wrote:
> A race condition can occur when 'agg' is modified in qfq_change_agg
> (called during qfq_enqueue) while other threads access it
> concurrently. For example, qfq_dump_class may trigger a NULL
> dereference, and qfq_delete_class may cause a use-after-free.

Please don't post patches in reply to threads.
Add a link to the thread using the Link: marker instead.
You're also missing a Fixes tag here.