From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.enpas.org (lighthouse.enpas.org [46.38.232.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 67EA033F8A1; Tue, 18 Aug 2026 22:18:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.38.232.102 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787091520; cv=none; b=bDnXoA9mqL8lSLCxOIYFsLBbXWlrplmpTbOPlkAMuAVtMUl7UtPkDowBglebAyPTz+He/HrLVuTW2Oh38rK5x/1TjnFe60T/is+FR/ESOemgc+OpDG6/bDiUo61aEoBu+C/THdpMeWEckPnbZnjkaR3sChYVVzuUcWQyYb5RMFw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787091520; c=relaxed/simple; bh=xkgvjwqhtzZowHr3E4WBASUzNwYBBZ2cC2fkpRTpCV8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=T+zCbaJ74xupVQR7dmlGVxG/cSaWv7GnzJ70qnfvVzQ3HZxQFdH3Xl7XKaYVLG1hgf4UiBJIFRenaA27c24Y37UFyg8UpJo7q8cs29iVx/hhFVf9/5EnRuQfsJ87gMmgMy0QpSqJZHTI+Di8D/j14VijaT1I5KecPt8qQllMafw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=enpas.org; spf=pass smtp.mailfrom=enpas.org; arc=none smtp.client-ip=46.38.232.102 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=enpas.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=enpas.org Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail.enpas.org (Postfix) with ESMTPSA id 683D41046AB; Tue, 18 Aug 2026 22:11:42 +0000 (UTC) Message-ID: Date: Wed, 19 Aug 2026 07:11:38 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net] can: can327: Fix out-of-bounds write in can327_parse_frame() Content-Language: en-US To: Baul Lee , mkl@pengutronix.de, mailhol@kernel.org Cc: linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, federico.kirschbaum@xbow.com References: <20260818215029.47758-1-baul.lee@xbow.com> From: Max Staudt Autocrypt: addr=max@enpas.org; keydata= xsNNBFWfXgEBIADcbJMG2xuJBIVNlhj5AFBwKLZ6GPo3tGxHye+Bk3R3W5uIws3Sxbuj++7R PoWqUkvrdsxJAmnkFgMKx4euW/MCzXXgEQOM2nE0CWR7xmutpoXYc9BLZ2HHE2mSkpXVa1Ea UTm00jR+BUXgG/ZzCRkkLvN1W9Hkdb75qE/HIpkkVyDiSteJTIjGnpTnJrwiHbZVvXoR/Bx3 IWFNpuG80xnsGv3X9ierbalXaI3ZrmFiezbPuGzG1kqV1q0gdV4DNuFVi1NjpQU1aTmBV8bv gDi2Wygs1pOSj+dlLPwUJ+9jGVzFXiM3xUkNaJc4UPRKxAGskh1nWDdg0odbs0OarQ0o+E+v d7WbKK7TR1jfYNcQ+Trr0ca0m72XNFk0hUxNyaEv3kkZEpAv0IDKqXFQD700kr3ftZ8ZKOxd CP4UqVYI+1d0nR9LnJYVjRpKI9QqIx492As6Vl1YPjUbmuKi4OT2JdvaT4czGq9EJkbhjC8E KQqc2mWeLnnwiMJwp8fMGTq+1TuBgNIbVSdTeyMnNr5w0UmJ4Y/TNFnTsOR0yytpJlHU4YiW HDQKaw6wzvdxql2DCjRvn+Hgm9ifMmtPn5RO3PGvq7XQJ0bNzJ/lXl9ts9QbeR62vQUuv63S P6WIU+uEUZVtaNJIjmsoEkziMX01Agi+5gCgKkY8mLakdXOAGX9CaUrVAH/ssM0SIwgxbmeH F0mwfbd7OuPYCKpmIiX1wqNfiLhcTgV3lJ12Gz7XeeIH3JW5gw6tFGN3pQQNsy6SqtThyFQN RlLNZWEHBh2RdE1Bh3HFFCgdbQ2CISV+nEGdTpP+wjlP17FaBUEREM/j4FT5Dn1y/XICJog/ dymN4Srn8BZ0q1HQBVIJszdfpBa37Fj3gHQbUPinoDsNCCjNibOD06Xk4hvex307pcsXe/Gi qON0vCtTfbF9jUmao84LpOMjfnqMXQDl3bIi0GwvdXWTvTNM3gCllj1sygWYvPn405BHysbk xbuGCP1qwRRYxrkBpCOUxBz48fT+90CewfwvhuYjBc1dPu0x2io+TRex2rfpMLbjUhYWYeun Oo/w+7Ea8UoxqLkvQjNY7IDBtvtPQdW5NxPh1kYOOMCMTGPR7wKMo7O0clMQ3Gviu12nvt2X 2rKtI56oU9pEFpIY/moDM+nDNR3fIi1BjdBfhGhSi6uRWy1vgBHYdW0rItPqYtQ9R/AxMbFN Kv4axzus1+yAfqSAWyp1DCC8+PX+x4gYEh0rbh2Ii91jdhzONzoEjMy8VCfu9hgeE4XazsFD 234zaonkEh8Mpo/SyYH4x0iMO0UyKn1RbyC9zTmAtlIvYUsQdF8exWwF07vvqbzKWkHv8a+y RFT9nuZZtVN3ABEBAAHNGk1heCBTdGF1ZHQgPG1heEBlbnBhcy5vcmc+wsN9BBMBCgAnAhsD CAsJCAcNDAsKBRUKCQgLAh4BAheAAhkBBQJnpyx4BQkWM613AAoJEGVYAQQ5PhMuwdof/As9 qacD3VIJTjG051QAficPVM6bDHQAxuzGFEyj29MiUXEZe+G1YTcp3XbJoLB5KBYG4t6sKmnh 3Cc7XE65MMY0e3OScL172cq74VZ4q7xh0vqTKkARgFNBWvjV9P3fUxfKFopfjf5iYtGYhYVu nr29CgE4Xv5x86mTFlcBXhYMS7kHvxgQ2rpdSwwdABNI+801J93vKyyDze6vZPHZ89rQmoGj ESWeNwMF5/fre+qmkUyS650gsMoErmHxG4OGSxecwADZOVUMwraeYRPbbU9deGipUGeoEcFB eVo2eKDW/okO8m2NOIIRgg1PYfX+cZ0exmGqdX+/Hpmyv0esqBE+9SxNDgm9HcctApStRTWX ZQF/MuqmwfKN6wqEKZYIo/Cex7Olbu91yfz+Agti/ZCT59FRNIHw75dOVk294hyH6QdJEYfd 92zPw/xfMxC5EuKbQIZX4D8/0GyVdzoYNbkFWFZ8a4Sz+XVQrlO9j5+yHhxfIqcD4Mfti8A0 BijPdn1TAdOreyMYqyKrh4gHfxEkELT01ZeVUCanmvOt87SiimhG1dJhurYpC/rme08k/cJ+ LeblkAKPJWdy/XUxTQ/l5xPr0mrZdVA4BAv7RYIhhdpf/DuOF5bfN/ByY+Oq5MTh7VEUXq6L m39hWIF37Q+y33R3inwuzKgbEuEY/K0w+JnmPeCWDT83dfoeA3ZaTMybEvYdgsRpxBK4muBl dHBKsA7AfPFaWO8XrjKO1FITxGjG2T/IQ9suTA6ITVZ0eLWI+RcuFZboVjYyh85C1KkXaCHG nAOLADB63tGzWPBNPCfX8RkEsUy3arxTQordxVOGHpzxubVPVnDPj5WwUkE5TJhpfycuLGaB bKiFRZKccchDRxHi0JSoLzDh6uV6r6exk/2RzdsG8NAfLMB6D/lfibSM0IIGOgGa2/OD+aKO vw+A6ei+bMg8WRxPe/WVK1cSuR3hUSZvLb8fjY6YfonsOgcbUx2ci9+e/2DxbXbdQvLBUGfZ iDo6SikLvkY0hFok8QbvVib7wwCqRvedHEaE0417IWkydinXUoDSAJdOm4cqZZmwTEJ7JgQh z/C+yXevWIbc3u7xqB5bdrc6eToTQMamxSpl5IYGlWrPzS/kTm6W3tBRcaTnFKz7g0zpWddP i1ecrTrJ+6KVfyzffS/DHwRBy0GKHDoakqlnpxM+ImA1OCsQaq4BGu4M4X6mJZVUy+wcpGnO r3bYwZ2RuSUctBcPN1A0A1OakoHZ1gnN6ctR8L3NLCR/UZL66XwXxgUqnoNU9qWd3G2OQhLA 8EK88WVd+FAvHBTva1b6HdyCcCVGq9X5DSbGpKAG3juYUvNrCsDVZiYQZTdrHS7mOjTOwU0E VZ96mAEQAMPq/us9ZHl8E8+V6PdoOGvwNh0DwxjVF7kT/LEIwLu94jofUSwz8sgiQqz/AEJg HFysMbTxpUnq9sqVMr46kOMVavkRhwZWtjLGhr9iiIRJDnCSkjYuzEmLOfAgkKo+moxz4PZk DL0sluOCJeWWm3fFMs4y3YcMXC0DMNGOtK+l1Xno4ZZ2euAy2+XlOgBQQH3cOyPdMeJvpu7m nY8CXejH/aS40H4b/yaDu1RUa1+NajnmX+EwRoHsnJcXm62Qu8zjyhYdQjV8B2raMk5HcIzl jeVRpEQDlQMUGXESGF4CjYlMGlTidRy6d5GydhRLZXHOLdqG2HZKz1/cot7x5Qle2+P50I32 iB0u4aPCyeKYJV6m/evBGWwYWYvCUJWnghbP5F2ouC/ytfyzXVNAJKJDkz//wqU27K26vWjy Bh0Jdg+G8HivgZLmyZP229sYH0ohrJBoc68ndh9ukw53jASNGkzQ6pONue8+NKF9NUNONkw4 jjm7lqD/VWFe5duMgSoizu/DkoN+QJwOu/z10y3oN9X7EMImppCdEVS01hdJSyEcyUq90v/O kt8tWo906trE65NkIj+ZSaONYAhTK+Yp/jrG88W2WAZU54CwHtoMxhbMH9xRM0hB97rBvaLO JwGBAU0+HrxOp1Sqy2M1v91XBt4HeW8YxzNEexq1ZtNnABEBAAHCw2UEGAEKAA8CGwwFAmen LMoFCRYzkTIACgkQZVgBBDk+Ey6DPh/9HslbVBJqC3fFRqQBEByWI1khEkgM+WzbzClbdAhZ Se+NMLCE5pqDRCUMzZyTm2+v5ipLA1ysZuW2K+5qDvo94H4kt1Na5IrAU1OtQIU55h+zPNXh 9zj3EKhJDB/HgYmXy23WQpyet1lRN/Qp+rkEc+ktjl5LLpWbbznr/zH2ukmAlVIUgQ9WggXH 1WuYyEc6oi5z8scLaj0uNSAlY3YWMDWE3e0uLPZ8WRp31dmv0KnQEMVT8Om1LTYEEL9sK+Gt pGDvTj73WxNyrF/5v3O4LDRqRTw71rOIJqxlhoIXId8JPxOYSfn6NFFcfRjLWX3l2ctxuC4b Fhces0lU4wx42eq/ue02xNn7TNt7PCXmEiFPpngFi8aq+1JEftWa7JHVFUxBYgRu4GmLKh36 FhmO0suRDu8WBEnzMkVflsLs4jJ8kYUU8O9yWQSQHnfYzePspxPTVPO37yMNy6KEh9mKJiw/ NsOdowacJR/ZOsrhE4d132i6qjn4xgEc7NmVKXbjF6wGOIp8+xq5wgTze7pPFV/IR6X6dtGb yYnu3VyLDESULYuWiV0jeTKZSrsOcMSKpmDkz4VAv1pab3EzSvSXWhUL4w3V9gK3lzMRDPWf sBcrsZQcwjlCRhNsU0d0vd+IqRLMZED3ZzMI4qPO9QGxJ0itEEFw0DaOs7nEw1OhuSfpyYdJ cr5jApjab0YmVkNhoBMquJL/B5Qz1w4PHVOrqT69DhtDC3EfehNFBBvV8juoB5HcfbzmNGVX JUTLEY+/Eze7Nq0tcU1oUtk6qH/2LRP/Cg3xLuGoNC0kOOsbEFVeSbsxdT8Q3OpeQNh5Nk5l QXVd3ooZkmgRYEUPdWfgbQ7CH3zwVgeipvXSfC/8GH3sdbyhVkW/7UyPVIzDmGkU0Pjq1hsQ WXzTkkLacTG9TBDsCk5xt3jH6hT6WKB3ToHltePN/u9xc44jAfZsgxi+NW20bAn2tg9V/RcP jVhyMfm+4u3OTEMvZT6lNOKybxqo2FQcz1SbMHCNKLbQzyYIuvVY1mcA0p/GRyR87qTOqn1N ZMNH8IIiNv0vm2GoQdm9icfyXkvVwwlWB87421PAWE6iZe2pv9aM6znfcQ8UuQqrs+3UpxK3 vs56eN8VtSWgviHk/k/DeTJ+VNSZowxO9Dn0oG43aecjHOdRq1ES5+yf2moX0e3+mJQuOCHc UZW4kivHnEPTY4R09+wGgi/axkz/G4mmUjOtoJd//iavtmmP3dx6a/UfXbJgLWGWy6IZszAB 6RWhzkRPkZdlGjxnltyQqhy35ZHKsbg/oNBHaRGrLbp6+Z2sWX3Vzzb9k/Gs0+asQMSe0poq 1Nk4wgjdif6n69chAwuDQyOfWdz/dQ== In-Reply-To: <20260818215029.47758-1-baul.lee@xbow.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Baul, thank you so much finding and patching this! This should *really* go into the -stable trees as well. Can you please amend the commit to include the following three lines and then re-send it? Fixes: 43da2f07622f ("can: can327: CAN/ldisc driver for ELM327 based OBD-II adapters") Cc: stable@vger.kernel.org Reviewed-by: Max Staudt Thank you! Max