From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DBE9C3DA7D for ; Fri, 30 Dec 2022 15:41:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235183AbiL3PlK (ORCPT ); Fri, 30 Dec 2022 10:41:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235259AbiL3Pkb (ORCPT ); Fri, 30 Dec 2022 10:40:31 -0500 Received: from formenos.hmeau.com (helcar.hmeau.com [216.24.177.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BEEA01C12A; Fri, 30 Dec 2022 07:39:58 -0800 (PST) Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.94.2 #2 (Debian)) id 1pBHTm-00CPNM-VQ; Fri, 30 Dec 2022 23:39:32 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 30 Dec 2022 23:39:30 +0800 Date: Fri, 30 Dec 2022 23:39:30 +0800 From: Herbert Xu To: David Laight Cc: 'Roberto Sassu' , "dhowells@redhat.com" , "davem@davemloft.net" , "zohar@linux.ibm.com" , "dmitry.kasatkin@gmail.com" , "paul@paul-moore.com" , "jmorris@namei.org" , "serge@hallyn.com" , "ebiggers@kernel.org" , "linux-integrity@vger.kernel.org" , "linux-security-module@vger.kernel.org" , "keyrings@vger.kernel.org" , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: Re: [PATCH v5 1/2] lib/mpi: Fix buffer overrun when SG is too long Message-ID: References: <20221227142740.2807136-1-roberto.sassu@huaweicloud.com> <20221227142740.2807136-2-roberto.sassu@huaweicloud.com> <6949ced7c1014488b2d00ff26eba6b6b@AcuMS.aculab.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6949ced7c1014488b2d00ff26eba6b6b@AcuMS.aculab.com> Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Fri, Dec 30, 2022 at 01:35:07PM +0000, David Laight wrote: > > miter.length is size_t (unsigned long on 64bit) and nbytes unsigned int. miter.length is bounded by sg->length which is unsigned int. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt