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From: patchwork-bot+bluetooth@kernel.org
To: Cen Zhang <zzzccc427@gmail.com>
Cc: marcel@holtmann.org, luiz.dentz@gmail.com,
	linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
	baijiaju1990@gmail.com, jjzuming@gmail.com
Subject: Re: [PATCH] Bluetooth: hci_sync: Serialize devcoredump reset during device open
Date: Wed, 07 Oct 2026 17:30:12 +0000	[thread overview]
Message-ID: <179139421227.3628206.5217968051871081602.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <pm-bluetooth-objects-candidate-0250-v3-f85e5bae9c76348c88b7@gmail.com>

Hello:

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

On Tue,  6 Oct 2026 22:39:21 +0800 you wrote:
> An ACTIVE devcoredump's buffer cursors must remain valid from the
> packet handler's state check through its copy. hci_devcd_rx() holds
> hdev->lock across that interval, and hci_devcd_reset() requires the
> same lock. However, hci_dev_open_sync() invokes reset without taking
> it.
> 
> A registered VHCI controller can collect a dump through its debugfs
> interface while the controller is down. If a successful open overlaps
> with handling a nonempty dump packet, reset can run after the receiver's
> ACTIVE check and before its copy:
> 
> [...]

Here is the summary with links:
  - Bluetooth: hci_sync: Serialize devcoredump reset during device open
    https://git.kernel.org/bluetooth/bluetooth-next/c/860b93123309

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      reply	other threads:[~2026-10-07 17:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-06 14:39 Cen Zhang
2026-10-07 17:30 ` patchwork-bot+bluetooth [this message]

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