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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 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI3MDE1MCBTYWx0ZWRfX9fwMtxSe+ig2 6QH1pDhLvcTgCm7skXPYjebNJNAWqXG2WmKX5ze0svXq1fAQTyfoeePH3qUegPWWV6cVznO3XCR bnX3kYsmrnnxq8/2si34PbLqoDMV2cjgKSfGr/ohNgxZOlb7gZaM9hq5UI1S/yTHholGBQyVkRL 0+iw8IB2Y8kzB9dLv+I0+1YWNLzOEdemzNBTmufrjDjQkRZGOUUWy3c4VeWtqHAl9TlIsoofwJf qXYDnOzNpTlbnBzQpZDVdJlSvXUMYYaTRXPfcJ/8JyExSv4PNUPhGMcOpVd0EdUwH9ujxlobYvy TieDfswcpw2TeL67dbnQzeo0XBh0/GceJm6SPOIPT1z4aFd0FeiW7GD1/RsKhUq3UVb8OINlbUz xzmKXJEr/pnsRtqAeRcOKi9k6s7XMpLG/e5UG52wjWGxp5Uhsxghik17G0MqDQTh6wk64CmrdR+ S6DaZpNE20XSVewiWNg== X-Proofpoint-GUID: 7dC5f3603TWOZq6TivGmMSkCPh750c3h X-Authority-Analysis: v=2.4 cv=bIsb4f+Z c=1 sm=1 tr=0 ts=69a1cb6a cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=r_RmVpEsDzQWxBcQmW8A:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=IoWCM6iH3mJn3m4BftBB:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: 7dC5f3603TWOZq6TivGmMSkCPh750c3h 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 adultscore=0 spamscore=0 phishscore=0 impostorscore=0 suspectscore=0 malwarescore=0 bulkscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602270150 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