From: patchwork-bot+bluetooth@kernel.org
To: Weihong Guan <weihong.guan@gmail.com>
Cc: linux-bluetooth@vger.kernel.org, marcel@holtmann.org,
luiz.dentz@gmail.com
Subject: Re: [PATCH] Bluetooth: hci_sync: Drop the command's sk reference
Date: Thu, 12 Nov 2026 20:20:06 +0000 [thread overview]
Message-ID: <179451480627.628769.17407039026686649697.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261112033428.898540-1-weihong.guan@gmail.com>
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Thu, 12 Nov 2026 03:34:28 +0000 you wrote:
> hci_cmd_sync_alloc() takes a reference on the sk a command is sent for
> (sock_hold()), and hci_cmd_sync_complete() means to drop it, but looks
> for the sk in the response skb, which never carries one. The reference
> is never dropped: every command sent with an sk leaks it, and with it
> the sk and a reference on the bluetooth module.
>
> The commands sent with an sk are LE Remove Advertising Set and LE
> Clear Advertising Sets, for MGMT's Remove Advertising and the instance
> removals, and Read Local OOB (Extended) Data. After each, the module's
> refcnt stays one higher with no socket left open, and the module can't
> be unloaded until a reboot.
>
> [...]
Here is the summary with links:
- Bluetooth: hci_sync: Drop the command's sk reference
https://git.kernel.org/bluetooth/bluetooth-next/c/f3183d7ad101
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-11-12 20:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 3:34 [PATCH] Bluetooth: hci_sync: Drop the command's sk reference Weihong Guan
2026-11-12 5:01 ` bluez.test.bot
2026-11-12 20:20 ` patchwork-bot+bluetooth [this message]
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