linux-kernel - Re: [PATCH] wifi: ath11k: fix suspend use-after-free after probe failure

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Message-ID: <377affe8-fa88-4ade-9cf8-aaeaaabee679@oss.qualcomm.com>
Date: Tue, 24 Jun 2025 09:15:51 -0700
From: Jeff Johnson <jeff.johnson@....qualcomm.com>
To: Johan Hovold <johan@...nel.org>, Johan Hovold <johan+linaro@...nel.org>
Cc: Jeff Johnson <jjohnson@...nel.org>, linux-wireless@...r.kernel.org,
        ath11k@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Baochen Qiang <quic_bqiang@...cinc.com>
Subject: Re: [PATCH] wifi: ath11k: fix suspend use-after-free after probe
 failure

On 6/24/2025 8:11 AM, Jeff Johnson wrote:
> On 6/24/2025 1:32 AM, Johan Hovold wrote:
>> On Tue, Jun 24, 2025 at 10:20:22AM +0200, Johan Hovold wrote:
>>> Make sure to deregister the PM notifier to avoid a use-after-free on
>>> suspend in case core initialisation fails (e.g. due to missing
>>> firmware).
>>
>> Not sure it matters in this case, but forgot to include:
>>
>> Tested-on: WCN6855 hw2.0 WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41
> 
> I'll add that.
> I'll also change the Link: to Closes: per checkpatch:
> 
> WARNING:BAD_REPORTED_BY_LINK: Reported-by: should be immediately followed by Closes: with a URL to the report

Please check pending patch:
https://git.kernel.org/pub/scm/linux/kernel/git/ath/ath.git/commit/?h=pending&id=2418079880408c5ae0b2a93f72af044eaff18cb6