linux-kernel - Re: [PATCH net] net: usb: lan78xx: reorder cleanup operations to avoid UAF bugs

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Message-Id: <169079401974.32402.6450872761583182908.git-patchwork-notify@kernel.org>
Date:   Mon, 31 Jul 2023 09:00:19 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Duoming Zhou <duoming@....edu.cn>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com, kuba@...nel.org,
        edumazet@...gle.com, davem@...emloft.net,
        UNGLinuxDriver@...rochip.com, woojung.huh@...rochip.com
Subject: Re: [PATCH net] net: usb: lan78xx: reorder cleanup operations to avoid
 UAF bugs

Hello:

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

On Wed, 26 Jul 2023 16:14:07 +0800 you wrote:
> The timer dev->stat_monitor can schedule the delayed work dev->wq and
> the delayed work dev->wq can also arm the dev->stat_monitor timer.
> 
> When the device is detaching, the net_device will be deallocated. but
> the net_device private data could still be dereferenced in delayed work
> or timer handler. As a result, the UAF bugs will happen.
> 
> [...]

Here is the summary with links:
  - [net] net: usb: lan78xx: reorder cleanup operations to avoid UAF bugs
    https://git.kernel.org/netdev/net/c/1e7417c188d0

You are awesome, thank you!
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