linux-kernel - Re: [PATCH v2 1/1] Bluetooth: fix race condition in hci_cmd_sync

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Date:   Tue, 07 Mar 2023 18:40:22 +0000
From:   patchwork-bot+bluetooth@...nel.org
To:     Min Li <lm0963hack@...il.com>
Cc:     luiz.dentz@...il.com, marcel@...tmann.org, johan.hedberg@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, jkosina@...e.cz, hdegoede@...hat.com,
        david.rheinsberg@...il.com, wsa+renesas@...g-engineering.com,
        linux@...ssschuh.net, linux-bluetooth@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] Bluetooth: fix race condition in hci_cmd_sync_clear

Hello:

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

On Sat,  4 Mar 2023 21:50:35 +0800 you wrote:
> There is a potential race condition in hci_cmd_sync_work and
> hci_cmd_sync_clear, and could lead to use-after-free. For instance,
> hci_cmd_sync_work is added to the 'req_workqueue' after cancel_work_sync
> The entry of 'cmd_sync_work_list' may be freed in hci_cmd_sync_clear, and
> causing kernel panic when it is used in 'hci_cmd_sync_work'.
> 
> Here's the call trace:
> 
> [...]

Here is the summary with links:
  - [v2,1/1] Bluetooth: fix race condition in hci_cmd_sync_clear
    https://git.kernel.org/bluetooth/bluetooth-next/c/83ce39248d6d

You are awesome, thank you!
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