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Subject: Re: [PATCH v3 1/2] Bluetooth: hci_sync: Avoid use-after-free in dbg for
 hci_remove_adv_monitor()
From:   patchwork-bot+bluetooth@kernel.org
Message-Id: <168859802462.24898.5386569963493900697.git-patchwork-notify@kernel.org>
Date:   Wed, 05 Jul 2023 23:00:24 +0000
References: <20230630153315.v3.1.I3b7c8905728f3124576361ca35ed28e37f12f5d1@changeid>
In-Reply-To: <20230630153315.v3.1.I3b7c8905728f3124576361ca35ed28e37f12f5d1@changeid>
To:     Doug Anderson <dianders@chromium.org>
Cc:     marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com,
        swboyd@chromium.org, mmandlik@google.com, mcchou@google.com,
        linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

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

On Fri, 30 Jun 2023 15:33:14 -0700 you wrote:
> KASAN reports that there's a use-after-free in
> hci_remove_adv_monitor(). Trawling through the disassembly, you can
> see that the complaint is from the access in bt_dev_dbg() under the
> HCI_ADV_MONITOR_EXT_MSFT case. The problem case happens because
> msft_remove_monitor() can end up freeing the monitor
> structure. Specifically:
>   hci_remove_adv_monitor() ->
>   msft_remove_monitor() ->
>   msft_remove_monitor_sync() ->
>   msft_le_cancel_monitor_advertisement_cb() ->
>   hci_free_adv_monitor()
> 
> [...]

Here is the summary with links:
  - [v3,1/2] Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor()
    https://git.kernel.org/bluetooth/bluetooth-next/c/2648c5eb33ca
  - [v3,2/2] Bluetooth: hci_sync: Don't double print name in add/remove adv_monitor
    https://git.kernel.org/bluetooth/bluetooth-next/c/22d2055a576d

You are awesome, thank you!
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