linux-kernel - Re: [PATCH net v3 0/1] atm: mpoa: Fix UAF on qos

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Message-ID: <aTGMX7FddV4zgEgY@horms.kernel.org>
Date: Thu, 4 Dec 2025 13:27:59 +0000
From: Simon Horman <horms@...nel.org>
To: Minseong Kim <ii4gsp@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v3 0/1] atm: mpoa: Fix UAF on qos_head list in procfs

On Thu, Dec 04, 2025 at 03:24:20PM +0900, Minseong Kim wrote:
> Changes since v2:
>   - Replace atm_mpoa_search_qos() with atm_mpoa_get_qos() to avoid
>     returning an unprotected pointer.
>   - Add atm_mpoa_delete_qos_by_ip() so search+unlink+free is atomic
>     under qos_mutex, preventing double-free/UAF.
>   - Update all callers accordingly.
> 
> Minseong Kim (1):
>   atm: mpoa: Fix UAF on qos_head list in procfs

Please slow down a bit and allow at least 24h between posting
updated patches. This is to allow time for review to occur.
And reduce load on shared CI infrastructure.

Please see: https://docs.kernel.org/process/maintainer-netdev.html