linux-kernel - Re: [PATCH v1] Bluetooth: Fix kernel oops triggered by hci_adv_monitors

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Date:   Tue, 7 Jul 2020 17:38:46 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Miao-chen Chou <mcchou@...omium.org>
Cc:     Bluetooth Kernel Mailing List <linux-bluetooth@...r.kernel.org>,
        Alain Michaud <alainm@...omium.org>,
        Pavel Machek <pavel@....cz>,
        Abhishek Pandit-Subedi <abhishekpandit@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v1] Bluetooth: Fix kernel oops triggered by
 hci_adv_monitors_clear()

Hi Miao-chen,

> This fixes the kernel oops by removing unnecessary background scan
> update from hci_adv_monitors_clear() which shouldn't invoke any work
> queue.
> 
> The following test was performed.
> - Run "rmmod btusb" and verify that no kernel oops is triggered.
> 
> Signed-off-by: Miao-chen Chou <mcchou@...omium.org>
> Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
> Reviewed-by: Alain Michaud <alainm@...omium.org>
> ---
> 
> net/bluetooth/hci_core.c | 2 --
> 1 file changed, 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel