linux-kernel - Re: [PATCH 0/2] Bluetooth: qca: fix NULL-deref on non-serdev setup

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Message-ID: <438844e9-47e8-486e-9611-ae524d6974b3@quicinc.com>
Date: Mon, 22 Apr 2024 21:04:58 +0800
From: quic_zijuhu <quic_zijuhu@...cinc.com>
To: Johan Hovold <johan@...nel.org>,
        Luiz Augusto von Dentz
	<luiz.dentz@...il.com>
CC: Marcel Holtmann <marcel@...tmann.org>,
        Zhengping Jiang
	<jiangzp@...gle.com>,
        <linux-bluetooth@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] Bluetooth: qca: fix NULL-deref on non-serdev setup

On 4/22/2024 8:51 PM, Johan Hovold wrote:
> Hi Luiz,
> 
> On Tue, Mar 19, 2024 at 04:46:09PM +0100, Johan Hovold wrote:
>> Qualcomm Bluetooth controllers can be registered either from a serdev
>> driver or from the Bluetooth line discipline. In the latter case, the
>> HCI UART serdev pointer is NULL, something which the driver needs to
>> handle without crashing.
>>
>> This series fixes one such issue at setup() time which incidentally
>> masked a similar crash at suspend. Fix this in two separate patches so
>> that the latter issue is address in pre-6.2 stable kernels.
> 
>> Johan Hovold (2):
>>   Bluetooth: qca: fix NULL-deref on non-serdev suspend
>>   Bluetooth: qca: fix NULL-deref on non-serdev setup
> 
> Could you pick these up for 6.9 or 6.10?
> 
> The patches are marked for stable backport and only privileged users can
> set the N_HCI line discipline these days (even if I'm not sure about
> pre-5.14 kernels...) so it may be fine to wait for 6.10 if you prefer.
> 
> Johan
> 
Hi johan,
could you share the patch links for me to review. i can
't find them now