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[92.233.226.227]) by smtp.gmail.com with ESMTPSA id r2sm22552248wrt.8.2021.03.09.02.16.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 02:16:16 -0800 (PST) From: Srinivas Kandagatla To: broonie@kernel.org Subject: [PATCH 1/3] ASoC: qcom: sdm845: Fix array out of bounds access Date: Tue, 9 Mar 2021 10:16:11 +0000 Message-Id: <20210309101613.25995-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210309101613.25995-1-srinivas.kandagatla@linaro.org> References: <20210309101613.25995-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: amit.pundir@linaro.org, alsa-devel@alsa-project.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, john.stultz@linaro.org, Srinivas Kandagatla X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Static analysis Coverity had detected a potential array out-of-bounds write issue due to the fact that MAX AFE port Id was set to 16 instead of using AFE_PORT_MAX macro. Fix this by properly using AFE_PORT_MAX macro. Fixes: 1b93a8843147 ("ASoC: qcom: sdm845: handle soundwire stream") Reported-by: John Stultz Signed-off-by: Srinivas Kandagatla --- sound/soc/qcom/sdm845.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c index 6c2760e27ea6..1e2c2d0902ea 100644 --- a/sound/soc/qcom/sdm845.c +++ b/sound/soc/qcom/sdm845.c @@ -33,12 +33,12 @@ struct sdm845_snd_data { struct snd_soc_jack jack; bool jack_setup; - bool stream_prepared[SLIM_MAX_RX_PORTS]; + bool stream_prepared[AFE_PORT_MAX]; struct snd_soc_card *card; uint32_t pri_mi2s_clk_count; uint32_t sec_mi2s_clk_count; uint32_t quat_tdm_clk_count; - struct sdw_stream_runtime *sruntime[SLIM_MAX_RX_PORTS]; + struct sdw_stream_runtime *sruntime[AFE_PORT_MAX]; }; static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28}; -- 2.21.0