]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
wifi: ath11k: fix array out-of-bound access in SoC stats
authorKarthikeyan Periyasamy <quic_periyasa@quicinc.com>
Thu, 4 Jul 2024 07:08:11 +0000 (12:38 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Oct 2024 13:11:25 +0000 (15:11 +0200)
commit4dd732893bd38cec51f887244314e2b47f0d658f
treefcb1e9d1e6e77e7142aa52ec5a4376eab3bf7e39
parenta37a6976e475e81a845f8e623c53fcee81bd659c
wifi: ath11k: fix array out-of-bound access in SoC stats

[ Upstream commit 69f253e46af98af17e3efa3e5dfa72fcb7d1983d ]

Currently, the ath11k_soc_dp_stats::hal_reo_error array is defined with a
maximum size of DP_REO_DST_RING_MAX. However, the ath11k_dp_process_rx()
function access ath11k_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 ath11k_dp_process_rx() to use the normal ring ID
directly instead of the SRNG ring ID to avoid out-of-bounds array access.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1

Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240704070811.4186543-3-quic_periyasa@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/wireless/ath/ath11k/dp_rx.c