linux-kernel - Re: [PATCH] Bluetooth: hci_sock: Prevent race in socket write iter and sock bind

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Message-Id: 
 <176356260726.811862.764219010634757763.git-patchwork-notify@kernel.org>
Date: Wed, 19 Nov 2025 14:30:07 +0000
From: patchwork-bot+bluetooth@...nel.org
To: Edward Adam Davis <eadavis@...com>
Cc: syzbot+9aa47cd4633a3cf92a80@...kaller.appspotmail.com,
 johan.hedberg@...il.com, linux-bluetooth@...r.kernel.org,
 linux-kernel@...r.kernel.org, luiz.dentz@...il.com, marcel@...tmann.org,
 netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] Bluetooth: hci_sock: Prevent race in socket write iter
 and
 sock bind

Hello:

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

On Sun, 16 Nov 2025 17:04:43 +0800 you wrote:
> There is a potential race condition between sock bind and socket write
> iter. bind may free the same cmd via mgmt_pending before write iter sends
> the cmd, just as syzbot reported in UAF[1].
> 
> Here we use hci_dev_lock to synchronize the two, thereby avoiding the
> UAF mentioned in [1].
> 
> [...]

Here is the summary with links:
  - Bluetooth: hci_sock: Prevent race in socket write iter and sock bind
    https://git.kernel.org/bluetooth/bluetooth-next/c/1f738d68430c

You are awesome, thank you!
-- 
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