linux-kernel - Re: [PATCH] Bluetooth: btsdio: fix use after free bug in btsdio

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Date:   Tue, 14 Mar 2023 23:10:20 +0000
From:   patchwork-bot+bluetooth@...nel.org
To:     Zheng Wang <zyytlz.wz@....com>
Cc:     marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        hackerzheng666@...il.com, 1395428693sheep@...il.com,
        alex000young@...il.com
Subject: Re: [PATCH] Bluetooth: btsdio: fix use after free bug in btsdio_remove
 due to unfinished work

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@...el.com>:

On Thu,  9 Mar 2023 16:07:39 +0800 you wrote:
> In btsdio_probe, &data->work was bound with btsdio_work.In
> btsdio_send_frame, it was started by schedule_work.
> 
> If we call btsdio_remove with an unfinished job, there may
> be a race condition and cause UAF bug on hdev.
> 
> Fixes: ddbaf13e3609 ("[Bluetooth] Add generic driver for Bluetooth SDIO devices")
> Signed-off-by: Zheng Wang <zyytlz.wz@....com>
> 
> [...]

Here is the summary with links:
  - Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work
    https://git.kernel.org/bluetooth/bluetooth-next/c/f132c2d13088

You are awesome, thank you!
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