[PATCH] ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()

[Kalle Valo]

Wen Gong <quic_wgong at quicinc.com> wrote:

> In ath12k_mac_op_hw_scan(), the return value of kzalloc() is directly
> used in memcpy(), which may lead to a NULL pointer dereference on
> failure of kzalloc().
> 
> Fix this bug by adding a check of arg.extraie.ptr.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
> 
> Signed-off-by: Wen Gong <quic_wgong at quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>

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

8ad314da54c6 wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230726092625.3350-1-quic_wgong@quicinc.com/

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