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 B346EC433FE for ; Wed, 4 May 2022 15:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352110AbiEDPVX (ORCPT ); Wed, 4 May 2022 11:21:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352122AbiEDPVW (ORCPT ); Wed, 4 May 2022 11:21:22 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 270F643AE4; Wed, 4 May 2022 08:17:46 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AD063B8269F; Wed, 4 May 2022 15:17:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 373AAC385A5; Wed, 4 May 2022 15:17:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651677463; bh=/TElw+eJLqLZJfiH+wgcHcLpwRKNjBsKkGVEQia8krA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=r2EKwrBPc+6tZUWBhSzhnQBRbc05hZb7TQkoWLFCHnEdKXJw3pmkGfZGmnrehNIzt w4JzS33+2EMoGBnnb9xtS1/Spopuhywsv347T3+6LyYHbgpE6CtvE0AFq5B7fBqPyX 5MqWaHUdzYaViNaxBlBJK+ptIdjAAYkruP0EWQGDllsuxMmiP7mRJFbecq0YUstgiD RpxbR+x5+dC5Tuv+76tsVvvXax+z+1tbQ0BeM8qtcsvnJHNnSQ0TrXHhc3n1lnDWSu S6G8rlCBvr55hWxhdkIt/elBXUAB3x5zutaGRQmaLr3G+4d2Cx6Eo/yp43Szdk/NKp Cfc4hXpr4p5Ow== Date: Wed, 4 May 2022 16:17:17 +0100 From: Mark Brown To: Kees Cook Cc: "Gustavo A . R . Silva" , Lars-Peter Clausen , Nuno =?iso-8859-1?Q?S=E1?= , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, Alexei Starovoitov , Al Viro , Andrew Gabbasov , Andrew Morton , Andy Gross , Andy Lavr , Arend van Spriel , Baowen Zheng , Bjorn Andersson , Boris Ostrovsky , Bradley Grove , brcm80211-dev-list.pdl@broadcom.com, Christian Brauner , Christian =?iso-8859-1?Q?G=F6ttsche?= , Christian Lamparter , Chris Zankel , Cong Wang , Daniel Axtens , Daniel Vetter , Dan Williams , David Gow , David Howells , "David S. Miller" , Dennis Dalessandro , devicetree@vger.kernel.org, Dexuan Cui , Dmitry Kasatkin , Eli Cohen , Eric Dumazet , Eric Paris , Eugeniu Rosca , Felipe Balbi , Francis Laniel , Frank Rowand , Franky Lin , Greg Kroah-Hartman , Gregory Greenman , Guenter Roeck , Haiyang Zhang , Hante Meuleman , Herbert Xu , Hulk Robot , Jakub Kicinski , "James E.J. Bottomley" , James Morris , Jarkko Sakkinen , Jason Gunthorpe , Jens Axboe , Johan Hedberg , Johannes Berg , Johannes Berg , John Keeping , Juergen Gross , Kalle Valo , Keith Packard , keyrings@vger.kernel.org, kunit-dev@googlegroups.com, Kuniyuki Iwashima , "K. Y. Srinivasan" , Lee Jones , Leon Romanovsky , linux1394-devel@lists.sourceforge.net, linux-afs@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-hardening@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-integrity@vger.kernel.org, linux-rdma@vger.kernel.org, linux-scsi@vger.kernel.org, linux-security-module@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-xtensa@linux-xtensa.org, llvm@lists.linux.dev, Loic Poulain , Louis Peens , Luca Coelho , Luiz Augusto von Dentz , Marc Dionne , Marcel Holtmann , "Martin K. Petersen" , Max Filippov , Mimi Zohar , Muchun Song , Nathan Chancellor , netdev@vger.kernel.org, Nick Desaulniers , Paolo Abeni , Paul Moore , Rich Felker , Rob Herring , Russell King , selinux@vger.kernel.org, "Serge E. Hallyn" , SHA-cyfmac-dev-list@infineon.com, Simon Horman , Stefano Stabellini , Stefan Richter , Steffen Klassert , Stephen Hemminger , Stephen Smalley , Tadeusz Struk , Tom Rix , Udipto Goswami , Vincenzo Frascino , wcn36xx@lists.infradead.org, Wei Liu , xen-devel@lists.xenproject.org, Xiu Jianfeng , Yang Yingliang Subject: Re: [PATCH 20/32] ASoC: sigmadsp: Use mem_to_flex_dup() with struct sigmadsp_data Message-ID: Mail-Followup-To: Kees Cook , "Gustavo A . R . Silva" , Lars-Peter Clausen , Nuno =?iso-8859-1?Q?S=E1?= , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, Alexei Starovoitov , Al Viro , Andrew Gabbasov , Andrew Morton , Andy Gross , Andy Lavr , Arend van Spriel , Baowen Zheng , Bjorn Andersson , Boris Ostrovsky , Bradley Grove , brcm80211-dev-list.pdl@broadcom.com, Christian Brauner , Christian =?iso-8859-1?Q?G=F6ttsche?= , Christian Lamparter , Chris Zankel , Cong Wang , Daniel Axtens , Daniel Vetter , Dan Williams , David Gow , David Howells , "David S. Miller" , Dennis Dalessandro , devicetree@vger.kernel.org, Dexuan Cui , Dmitry Kasatkin , Eli Cohen , Eric Dumazet , Eric Paris , Eugeniu Rosca , Felipe Balbi , Francis Laniel , Frank Rowand , Franky Lin , Greg Kroah-Hartman , Gregory Greenman , Guenter Roeck , Haiyang Zhang , Hante Meuleman , Herbert Xu , Hulk Robot , Jakub Kicinski , "James E.J. Bottomley" , James Morris , Jarkko Sakkinen , Jason Gunthorpe , Jens Axboe , Johan Hedberg , Johannes Berg , Johannes Berg , John Keeping , Juergen Gross , Kalle Valo , Keith Packard , keyrings@vger.kernel.org, kunit-dev@googlegroups.com, Kuniyuki Iwashima , "K. Y. Srinivasan" , Lee Jones , Leon Romanovsky , linux1394-devel@lists.sourceforge.net, linux-afs@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-hardening@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-integrity@vger.kernel.org, linux-rdma@vger.kernel.org, linux-scsi@vger.kernel.org, linux-security-module@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-xtensa@linux-xtensa.org, llvm@lists.linux.dev, Loic Poulain , Louis Peens , Luca Coelho , Luiz Augusto von Dentz , Marc Dionne , Marcel Holtmann , "Martin K. Petersen" , Max Filippov , Mimi Zohar , Muchun Song , Nathan Chancellor , netdev@vger.kernel.org, Nick Desaulniers , Paolo Abeni , Paul Moore , Rich Felker , Rob Herring , Russell King , selinux@vger.kernel.org, "Serge E. Hallyn" , SHA-cyfmac-dev-list@infineon.com, Simon Horman , Stefano Stabellini , Stefan Richter , Steffen Klassert , Stephen Hemminger , Stephen Smalley , Tadeusz Struk , Tom Rix , Udipto Goswami , Vincenzo Frascino , wcn36xx@lists.infradead.org, Wei Liu , xen-devel@lists.xenproject.org, Xiu Jianfeng , Yang Yingliang References: <20220504014440.3697851-1-keescook@chromium.org> <20220504014440.3697851-21-keescook@chromium.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="WsBvT7ldclzXuz86" Content-Disposition: inline In-Reply-To: <20220504014440.3697851-21-keescook@chromium.org> X-Cookie: Mother is the invention of necessity. Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org --WsBvT7ldclzXuz86 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, May 03, 2022 at 06:44:29PM -0700, Kees Cook wrote: > As part of the work to perform bounds checking on all memcpy() uses, > replace the open-coded a deserialization of bytes out of memory into a > trailing flexible array by using a flex_array.h helper to perform the > allocation, bounds checking, and copying. Acked-by: Mark Brown --WsBvT7ldclzXuz86 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmJymP0ACgkQJNaLcl1U h9BOTAf/ZD8yoDRekvioENLYy8dN3NXa5AWr7w113Lw6amX9IH8PkZBk9MuYaDgS lyEL/dF+NQH1EG1pD8OqTodb2FRk6p2BmOqGHZamS0MgHy+d4s7a66k1YkGIKh1O 8m5wnvOKz3Fk2HYUDyLrx+sOQL3a9Pp0Qh1JdRiAsXXyc6GyJwrC5vR/TbFMyfFd yDpPiY/nMzIqHfWGSIhIy2K+Fl9WzSdcTDasOELxcxGPYhdJbxgT/WoRcOTc/5l1 gNGLh0quw//dri/kQ0Y9YwSNbjiZjy/ZPVbQ2WxIGlmhcmbavI9j6S4iDwgZzTpY B0dknkr+kOxX7zlsqhHYQ6guFBtrCw== =XAoD -----END PGP SIGNATURE----- --WsBvT7ldclzXuz86--