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Fri, 15 May 2026 03:28:23 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45d9e768c4fsm13718499f8f.8.2026.05.15.03.28.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 03:28:22 -0700 (PDT) Date: Fri, 15 May 2026 13:28:19 +0300 From: Dan Carpenter To: Geert Uytterhoeven Cc: Sudeep Holla , Cristian Marussi , arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] firmware: arm_scmi: Fix OOB in scmi_power_name_get() Message-ID: References: <75caae28bdffb55199a0bc6cac5df112a966c608.1778838987.git.geert+renesas@glider.be> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <75caae28bdffb55199a0bc6cac5df112a966c608.1778838987.git.geert+renesas@glider.be> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260515_032825_769522_2785E65A X-CRM114-Status: GOOD ( 11.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, May 15, 2026 at 11:59:15AM +0200, Geert Uytterhoeven wrote: > scmi_power_name_get() does not validate the domain number passed by the > external caller, which may lead to an out-of-bounds access. > Is an external caller an out of tree caller? So far as I can see this is only called by scmi_pm_domain_probe(). scmi_pd->name = power_ops->name_get(ph, i); where i < num_domains. regards, dan carpenter