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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-65fabf6d26dsm1442807a12.16.2026.02.27.08.50.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Feb 2026 08:50:49 -0800 (PST) Message-ID: <92348d2f-1df8-4844-b41a-e458ea470a83@oss.qualcomm.com> Date: Fri, 27 Feb 2026 17:50:46 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config To: xiangxu.yin@oss.qualcomm.com, Vinod Koul , Neil Armstrong , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, fange.zhang@oss.qualcomm.com, yongxing.mou@oss.qualcomm.com, li.liu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, Konrad Dybcio , Dan Carpenter References: <20260227-master-v1-1-8d91b9407fdb@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260227-master-v1-1-8d91b9407fdb@oss.qualcomm.com> X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI3MDE1MCBTYWx0ZWRfX7A5afbZ6vLq+ eXH5oaetuls+Yui8ERQxeH3IpMP3HkWGyufvKyZVkxy+i8X1LVTHl5VlWYkqGd+DLMAf81o1B+V do7vv+0GECSYG4FLazsjqE9KRht1Gtp87s7vjD4O+1GOE/8C16BkCIEqniBM5vMYgRoXZN8JHsy lDGvG1uWOvww4Aqhn7QGEXh+COm7qIRy+zahk05/XaCJzqdHgLbuFjPNlzjITZ3vMJsMS5ExOXX YtkLvszgMx9PMO85xIMeyux4SK3ThxRqQYuOYZySC+aZ1XMLnxBNQVkIKdE9xlAMqLM4OLACuiO I+Y49oiUTHgr/PwBiZTI2/TUE0jl76zFSMjJ66UiMtLvuZOzqB/RxXUBdsABB+YePSlXp2z19zE yWDhDh5/6mHZ5o9XlAcc1omOkgRTiX8nNz0KNsBD5EVTXHavBH/5Rx7GOq7548djZDcbclHC01M aBoYjVoh9Lny1fPGk1A== X-Authority-Analysis: v=2.4 cv=KL9XzVFo c=1 sm=1 tr=0 ts=69a1cb6a cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=r_RmVpEsDzQWxBcQmW8A:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=PEH46H7Ffwr30OY-TuGO:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: tAep0SG28ClbbWEu_uRktvFEO7QaVd6U X-Proofpoint-GUID: tAep0SG28ClbbWEu_uRktvFEO7QaVd6U X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-27_03,2026-02-27_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 adultscore=0 bulkscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602270150 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260227_085052_588818_7608CDD6 X-CRM114-Status: UNSURE ( 8.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 2/27/26 1:15 PM, Xiangxu Yin via B4 Relay wrote: > From: Xiangxu Yin > > swing_tbl and pre_emphasis_tbl are 4x4 arrays (valid indices 0-3), but > the boundary check uses "> 4" instead of ">= 4", allowing index 4 to > cause an out-of-bounds access. > > Reported-by: Dan Carpenter > Fixes: 81791c45c8e0 ("phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config and DP mode support") > Signed-off-by: Xiangxu Yin > --- Reviewed-by: Konrad Dybcio Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy