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Fri, 20 Dec 2019 08:30:02 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 17FEAC433CB; Fri, 20 Dec 2019 08:30:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from cjhuang-station.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: cjhuang) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4503FC43383 for ; Fri, 20 Dec 2019 08:30:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4503FC43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=cjhuang@codeaurora.org From: Carl Huang To: ath11k@lists.infradead.org Subject: [PATCH qca6390-bringup] ath11k: fix KASAN warning of ath11k_qmi_wlanfw_wlan_cfg_send Date: Fri, 20 Dec 2019 16:29:55 +0800 Message-Id: <1576830595-30610-1-git-send-email-cjhuang@codeaurora.org> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191220_003003_628097_902D9B63 X-CRM114-Status: GOOD ( 11.57 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [104.130.122.25 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [104.130.122.25 listed in wl.mailspike.net] X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org It's caused by reading memory out of boundary from target_ce_config_wlan. There is no need to read the last array element even for AHB interface, so fix it by not reading the last array element. Signed-off-by: Carl Huang --- drivers/net/wireless/ath/ath11k/qmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c index 44060b2..d0d283b 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -2217,7 +2217,7 @@ static int ath11k_qmi_wlanfw_wlan_cfg_send(struct ath11k_base *ab) req->tgt_cfg_valid = 1; /* This is number of CE configs */ req->tgt_cfg_len = ab->qmi.ce_cfg.tgt_ce_len; - for (pipe_num = 0; pipe_num <= req->tgt_cfg_len ; pipe_num++) { + for (pipe_num = 0; pipe_num < req->tgt_cfg_len ; pipe_num++) { req->tgt_cfg[pipe_num].pipe_num = ce_cfg[pipe_num].pipenum; req->tgt_cfg[pipe_num].pipe_dir = ce_cfg[pipe_num].pipedir; req->tgt_cfg[pipe_num].nentries = ce_cfg[pipe_num].nentries;