netdev - Re: [PATCH net v2] ax25: fix use-after-free bugs caused by ax25_ds_del

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Date: Wed, 03 Apr 2024 01:10:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Duoming Zhou <duoming@....edu.cn>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-hams@...r.kernel.org, pabeni@...hat.com, kuba@...nel.org,
 edumazet@...gle.com, davem@...emloft.net, jreuter@...na.de, horms@...nel.org
Subject: Re: [PATCH net v2] ax25: fix use-after-free bugs caused by
 ax25_ds_del_timer

Hello:

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

On Fri, 29 Mar 2024 09:50:23 +0800 you wrote:
> When the ax25 device is detaching, the ax25_dev_device_down()
> calls ax25_ds_del_timer() to cleanup the slave_timer. When
> the timer handler is running, the ax25_ds_del_timer() that
> calls del_timer() in it will return directly. As a result,
> the use-after-free bugs could happen, one of the scenarios
> is shown below:
> 
> [...]

Here is the summary with links:
  - [net,v2] ax25: fix use-after-free bugs caused by ax25_ds_del_timer
    https://git.kernel.org/netdev/net/c/fd819ad3ecf6

You are awesome, thank you!
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