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Message-ID: <69b0b9c8-d06f-46b5-8246-a2e1dce0d06f@quicinc.com>
Date: Thu, 19 Oct 2023 10:33:16 -0700
From: Jeff Johnson <quic_jjohnson@...cinc.com>
To: Johan Hovold <johan+linaro@...nel.org>,
Kalle Valo <kvalo@...nel.org>
CC: <ath12k@...ts.infradead.org>, <linux-wireless@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Subject: Re: [PATCH 2/2] wifi: ath12k: fix htt mlo-offset event locking
On 10/19/2023 4:36 AM, Johan Hovold wrote:
> The ath12k active pdevs are protected by RCU but the htt mlo-offset
> event handling code calling ath12k_mac_get_ar_by_pdev_id() was not
> marked as a read-side critical section.
>
> Mark the code in question as an RCU read-side critical section to avoid
> any potential use-after-free issues.
>
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Cc: stable@...r.kernel.org # v6.2
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
Acked-by: Jeff Johnson <quic_jjohnson@...cinc.com>
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