linux-kernel - Re: [PATCH 2/2] phonet/pep: fix racy skb_queue

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Date: Tue, 13 Feb 2024 13:14:36 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Rémi Denis-Courmont <remi@...lab.net>, 
 courmisch@...il.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] phonet/pep: fix racy skb_queue_empty() use

On Sat, 2024-02-10 at 14:50 +0200, Rémi Denis-Courmont wrote:
> From: Rémi Denis-Courmont <courmisch@...il.com>
> 
> The receive queues are protected by their respective spin-lock, not
> the socket lock. This could lead to skb_peek() unexpectedly
> returning NULL or a pointer to an already dequeued socket buffer.
> 
> Signed-off-by: Rémi Denis-Courmont <courmisch@...il.com>

Please provide a suitable fixes tag here.

Also include the target tree into the subj prefix when you post the v2.

Thank,

Paolo