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

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Message-Id: <167840761782.25154.7899078093044397807.git-patchwork-notify@kernel.org>
Date:   Fri, 10 Mar 2023 00:20:17 +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 race condition

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 00:45:01 +0800 you wrote:
> In btsdio_probe, the data->work is bound with btsdio_work. It will be
> started in btsdio_send_frame.
> 
> If the btsdio_remove runs with a unfinished work, there may be a race
> condition that hdev is freed but used in btsdio_work. Fix it by
> canceling the work before do cleanup in btsdio_remove.
> 
> [...]

Here is the summary with links:
  - Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition
    https://git.kernel.org/bluetooth/bluetooth-next/c/61115bb7574e

You are awesome, thank you!
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