linux-kernel - Re: [PATCH V4] mISDN: fix use-after-free bugs in l1oip timer handlers

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Date:   Fri, 30 Sep 2022 11:40:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Duoming Zhou <duoming@....edu.cn>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        isdn@...ux-pingi.de, kuba@...nel.org, leon@...nel.org
Subject: Re: [PATCH V4] mISDN: fix use-after-free bugs in l1oip timer handlers

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Wed, 28 Sep 2022 21:39:38 +0800 you wrote:
> The l1oip_cleanup() traverses the l1oip_ilist and calls
> release_card() to cleanup module and stack. However,
> release_card() calls del_timer() to delete the timers
> such as keep_tl and timeout_tl. If the timer handler is
> running, the del_timer() will not stop it and result in
> UAF bugs. One of the processes is shown below:
> 
> [...]

Here is the summary with links:
  - [V4] mISDN: fix use-after-free bugs in l1oip timer handlers
    https://git.kernel.org/netdev/net/c/2568a7e0832e

You are awesome, thank you!
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