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 24C0BCE7A8C for ; Sun, 24 Sep 2023 20:52:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230215AbjIXUwJ (ORCPT ); Sun, 24 Sep 2023 16:52:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230289AbjIXUwG (ORCPT ); Sun, 24 Sep 2023 16:52:06 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C342111B; Sun, 24 Sep 2023 13:51:59 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9381C433C8; Sun, 24 Sep 2023 20:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695588719; bh=DivKW36ifYhSuWveaE8fv6x1ATPfjvZRn5gc+v4tRdw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hWrrw28VLH3hL52RjHuYuQ9WP4LokvIYdkeSvmHLfITI/a5ob2xyq4Cr2AOf4LhaE hHCVc5cnERCeHnG640ipd7FfhDlkTx+tBE2IsmVp3vwsSqoxLYJWJnGb+HStciptZN jHUsF6lwDOgM6zuK/I5TQ7Vn2VBazjRGipHkwrbV37x4ilDVZf8cQfXerYb2O7OHL/ PzXxw25DYf10bqWOyNhMdpR19JiaMfCS+ea77DWf2NszCiljz31cbrRFruYCCr2lN/ Oysp06ZopNIwBcSYND1uvyaT+4iag2keC8eEVMzPRRqcQkTmkm4mzby3umPCliWbjb 8wH+zOLU9b8iw== Date: Sun, 24 Sep 2023 22:51:55 +0200 From: Wolfram Sang To: Kees Cook Cc: Tomi Valkeinen , Luca Ceresoli , Nathan Chancellor , Nick Desaulniers , Tom Rix , linux-i2c@vger.kernel.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] media: i2c: Annotate struct i2c_atr with __counted_by Message-ID: Mail-Followup-To: Wolfram Sang , Kees Cook , Tomi Valkeinen , Luca Ceresoli , Nathan Chancellor , Nick Desaulniers , Tom Rix , linux-i2c@vger.kernel.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org References: <20230922175424.work.863-kees@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ra/2MJe5Rrzch4Us" Content-Disposition: inline In-Reply-To: <20230922175424.work.863-kees@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ra/2MJe5Rrzch4Us Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 22, 2023 at 10:54:25AM -0700, Kees Cook wrote: > Prepare for the coming implementation by GCC and Clang of the __counted_by > attribute. Flexible array members annotated with __counted_by can have > their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS > (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). >=20 > As found with Coccinelle[1], add __counted_by for struct i2c_atr. >=20 > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/c= ounted_by.cocci >=20 > Cc: Wolfram Sang > Cc: Tomi Valkeinen > Cc: Luca Ceresoli > Cc: Nathan Chancellor > Cc: Nick Desaulniers > Cc: Tom Rix > Cc: linux-i2c@vger.kernel.org > Cc: llvm@lists.linux.dev > Signed-off-by: Kees Cook Removed "media: " from $subject and applied to for-next, thanks! --ra/2MJe5Rrzch4Us Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmUQoWsACgkQFA3kzBSg KbZryw//V+lKwNm7KSeUZkoAllbOtYbTr5J5dwbk1ySzTcbJYNZTGItjW3cRpaBm KR20iCnXa3l/eTZTd3k1p6JO2QgFMbeIh+oaEhgoXQKxwCHZqSkQJVwysCSIASIz Xbh20wCE/Oaq++TywoSE98GOiWjrLKEvCtrF9+zYLRbXUaTicKjJbxnP3YXiayqe RT33QWpfl3BJy/i5tmzhgTItYzFMeA6jiAhYegHEW8iiCcoPKwtpF3PWvGCE2TqR w2bZsOo9eCupS0sVs7hXTDaoY7tX4b7eOddjZi8Bhtla/W1xemI0LigbEfbnwMPB b6iZcJKtIEw/dDhyVxGFgxXObQAmM7W+jOmXYXM/TObVvvYp5HFBCF3k2kkvnP8l kTXhGRw3pJGF12iImIqgjPaLQ/kXJ23fY/X8XIZr3ty09OK/qq3vE+P+vfMHIkAs LfR6wPgrzpookiwwY1SBrw7o6a0ZNGKHQH+aUq8sVkKrD8Vm+C3Oqu95IbGfo2P6 EZVcMbMIovTKii3MMnMKsv5mgxnLiF87o6L+hz1RybNwpRL5L2G2WbVQl/NMNwzT LMY3NC2ozbUhF7id5x6XxD0tg8cxj8tKHvtJGf+jMtmJ8V35zJSQciYEY0l4Cjy2 UAmohNCw8KP1sCzI7QPbqIyP95UzzN4Rus9NOgvm4e3RPwEqqy4= =aMwP -----END PGP SIGNATURE----- --ra/2MJe5Rrzch4Us--