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 578B6C4167D for ; Wed, 8 Nov 2023 09:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343569AbjKHJ04 (ORCPT ); Wed, 8 Nov 2023 04:26:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235408AbjKHJ0y (ORCPT ); Wed, 8 Nov 2023 04:26:54 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A6CC9C; Wed, 8 Nov 2023 01:26:52 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C617CC433C8; Wed, 8 Nov 2023 09:26:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699435612; bh=T4hIKUG3QVwydSPQlJlNEfKgB5jonSv9w3FXDX1eBzI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZVMRhhlI5bYIT+l5VF8OZ3I20sBxOfKuwlTyEJr9T2B2pK6BrrpAx0U6JYBeEUU28 jnYiSnMQgr49dwQE3iDA2v3BPpO6QSURANZcImXJHVVfs9h6y/UWPFuYFJ8P9DUcvO Bj0zNbxQgwyrIfKOr4xVrl40+A3jy/Ts0Hw/Km/M+r44HK8P+9kPy2OWS64kmewMl1 rJxGNeKnNt6KaZ3TITq/SE4TMVBPxus30mgaCYxyzakPHQCo0lVEQAgv5YNzhMIBG0 otihExTLyR+amhGbuop2/cMATNn/JgpeOsNnEBonDXe7sEaTcxviDpn/sfwdaeqyO/ wWs05NRFJnK6g== Date: Wed, 8 Nov 2023 10:26:49 +0100 From: Wolfram Sang To: Philipp Stanner Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Dave Airlie Subject: Re: [PATCH] drivers/i2c: copy userspace array safely Message-ID: Mail-Followup-To: Wolfram Sang , Philipp Stanner , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Dave Airlie References: <20231102192612.54066-2-pstanner@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ffyKkaJ+lhi8Ay+A" Content-Disposition: inline In-Reply-To: <20231102192612.54066-2-pstanner@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ffyKkaJ+lhi8Ay+A Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 02, 2023 at 08:26:13PM +0100, Philipp Stanner wrote: > i2c-dev.c utilizes memdup_user() to copy a userspace array. This is done > without an overflow check. >=20 > Use the new wrapper memdup_array_user() to copy the array more safely. >=20 > Suggested-by: Dave Airlie > Signed-off-by: Philipp Stanner Applied to for-current, thanks! --ffyKkaJ+lhi8Ay+A Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmVLVFkACgkQFA3kzBSg KbZPNA/+IoqT1gc0e33tx+y9HPuZPHZ+8npzS7DrNSkKzopyRkDBAyuzj9yXC8+e kkx14bty1KXXMPrgwJuXZm4Yq5WfAS4EFEpsnpduheqzWLMw1BxsAR+eq/GYhkCJ j38t0+UisJ3j00uchbwbM18s8EEi40Tg7iQ8xaElEtmdouZs3P1pWyhL0VffjtsO ktDPKE9oO+fcTWPYfcf1t6Pu6Pd+prDZs3rHveUxSjsfac1OKCdIkoEvTPWuEUfJ KZzQ26yw8761O3DrEvh9dBO4DqIKwJh0jSlwXEya5g9c8dbJj//zyFjb/lrck3t8 uNruIeBRtFTjBu/+/YCh5TbgmcQSA4zDJAVqRk9tJek51lLNG8OTevdl0OkWirRe NbAXJEbM/kX5IoNmlSxovfArQv4h9LYAYKdsHpzFYkOsINQFUXje0y5BYhr3Nx8j 1XJL2L0iXtQbS6ZVSgVIqoZGC95N/ZK2+OMQszGxCMN6KGOVQoQ6V0LFiLXYZl3c YzAV8l90EUQH5FSGibSb1Ikk9LfH4UYmCuKFFaHhkHaXDuztHTZp0aYO/AKTdvoQ tb3dCNmmsJiyHJm/BGXwvVHpIG+cBJlwzBVmTKqg2vOfP04AAnOok9KqNWbrje74 DfgHKok5ZYubhwgQEaGIb64mMstfABhairESdiHWya6GmxK9SSM= =pDJi -----END PGP SIGNATURE----- --ffyKkaJ+lhi8Ay+A--