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Tue, 15 Oct 2024 12:22:20 -0700 (PDT) Received: from localhost.localdomain ([83.168.79.145]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c98d4f7f19sm982334a12.23.2024.10.15.12.22.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 12:22:19 -0700 (PDT) From: Karol Przybylski To: kvalo@kernel.org, jjohnson@kernel.org Cc: Karol Przybylski , linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] wifi: ath12k: Fix for out-of bound access error Date: Tue, 15 Oct 2024 21:21:55 +0200 Message-Id: <20241015192155.3643363-1-karprzy7@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Size of array passed to print_array_to_buf_index is decremented by 1 Discovered in coverity scan, CID 1600742 Signed-off-by: Karol Przybylski --- drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/= net/wireless/ath/ath12k/debugfs_htt_stats.c index b2be7dade79f..74767ba9ec2b 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -1550,7 +1550,7 @@ ath12k_htt_print_tx_selfgen_ax_stats_tlv(const void *= tag_buf, u16 tag_len, le32_to_cpu(htt_stats_buf->ax_mu_mimo_ndp)); len +=3D print_array_to_buf_index(buf, len, "ax_mu_mimo_brpollX_tried =3D= ", 1, htt_stats_buf->ax_mu_mimo_brpoll, - ATH12K_HTT_TX_NUM_AX_MUMIMO_USER_STATS, "\n"); + ATH12K_HTT_TX_NUM_AX_MUMIMO_USER_STATS-1, "\n"); len +=3D scnprintf(buf + len, buf_len - len, "ax_basic_trigger =3D %u\n", le32_to_cpu(htt_stats_buf->ax_basic_trigger)); len +=3D scnprintf(buf + len, buf_len - len, "ax_ulmumimo_total_trigger = =3D %u\n", --=20 2.34.1