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: Protect IRK identity reads with RCU
Date: Fri, 09 Oct 2026 14:20:13 +0000 [thread overview]
Message-ID: <179155561351.812174.8832870892083391062.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <pm-bluetooth-objects-candidate-0130-v4-50db5732ff5e26d28412@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, 8 Oct 2026 12:18:50 +0800 you wrote:
> hci_le_set_privacy_mode_sync() needs the IRK returned by
> hci_find_irk_by_addr() to remain allocated until its identity address
> and type have been copied into the command. The finder drops its RCU
> read lock before returning this borrowed pointer, leaving the later
> field reads unprotected.
>
> When a privacy-capable controller has a pending peer with address
> resolution and device privacy enabled, accept-list programming can
> reach this helper while management reloads the IRKs. The request
> worker holds hdev->req_lock, whereas load_irks() takes hdev->lock,
> allowing the following ordering:
>
> [...]
Here is the summary with links:
- Bluetooth: hci_sync: Protect IRK identity reads with RCU
https://git.kernel.org/bluetooth/bluetooth-next/c/9cbb87f8951d
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-10-09 14:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 4:18 Cen Zhang
2026-10-09 14:20 ` patchwork-bot+bluetooth [this message]
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