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[86.58.126.118]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-483bd70e6c9sm393590355e9.8.2026.03.02.20.08.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2026 20:08:12 -0800 (PST) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Chen-Yu Tsai , Samuel Holland , linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Andrey Skvortsov Cc: Andrey Skvortsov Subject: Re: [PATCH] bus: sunxi-rsb: Always check register address validity Date: Mon, 02 Mar 2026 19:43:07 +0100 Message-ID: <5969539.DvuYhMxLoT@jernej-laptop> In-Reply-To: <20260301144939.1832806-1-andrej.skvortzov@gmail.com> References: <20260301144939.1832806-1-andrej.skvortzov@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dne nedelja, 1. marec 2026 ob 15:49:39 Srednjeevropski standardni =C4=8Das = je Andrey Skvortsov napisal(a): > From: Samuel Holland >=20 > The register address was already validated for read operations in > regmap_sunxi_rsb_reg_read before being truncated to a u8. Write operations > have the same set of possible addresses, and the address is being truncat= ed > from u32 to u8 here as well, so the same check is needed. >=20 > Signed-off-by: Samuel Holland > Signed-off-by: Andrey Skvortsov Reviewed-by: Jernej Skrabec Best regards, Jernej