[PATCH 1/2] wifi: ath12k: fix array out-of-bound access in SoC stats

[Jeff Johnson]

On 7/4/2024 12:08 AM, Karthikeyan Periyasamy wrote:
> Currently, the ath12k_soc_dp_stats::hal_reo_error array is defined with a
> maximum size of DP_REO_DST_RING_MAX. However, the ath12k_dp_rx_process()
> function access ath12k_soc_dp_stats::hal_reo_error using the REO
> destination SRNG ring ID, which is incorrect. SRNG ring ID differ from
> normal ring ID, and this usage leads to out-of-bounds array access. To
> fix this issue, modify ath12k_dp_rx_process() to use the normal ring ID
> directly instead of the SRNG ring ID to avoid out-of-bounds array access.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Karthikeyan Periyasamy <quic_periyasa at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>