Re: [PATCH] wifi: ath11k: fix htt pktlog locking

From: Kalle Valo
Date: Wed Oct 25 2023 - 06:00:33 EST


Johan Hovold <johan+linaro@xxxxxxxxxx> wrote:

> The ath11k active pdevs are protected by RCU but the htt pktlog handling
> code calling ath11k_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.
>
> Compile tested only.
>
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Cc: stable@xxxxxxxxxxxxxxx # 5.6
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>

Patch applied to ath-next branch of ath.git, thanks.

3f77c7d605b2 wifi: ath11k: fix htt pktlog locking

--
https://patchwork.kernel.org/project/linux-wireless/patch/20231019112521.2071-1-johan+linaro@xxxxxxxxxx/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches