Re: [PATCH] wifi: ath11k: fix gtk offload status event locking

From: Jeff Johnson
Date: Thu Oct 19 2023 - 13:27:29 EST


On 10/19/2023 8:53 AM, Johan Hovold wrote:
The ath11k active pdevs are protected by RCU but the gtk offload status
event handling code calling ath11k_mac_get_arvif_by_vdev_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: a16d9b50cfba ("ath11k: support GTK rekey offload")
Cc: stable@xxxxxxxxxxxxxxx # 5.18
Cc: Carl Huang <quic_cjhuang@xxxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>