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[2620:137:e000::3:3]) by mx.google.com with ESMTPS id f19-20020a635553000000b00563f8ccc097si6646944pgm.780.2023.10.09.02.13.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 02:13:32 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=d6ziKF0S; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id D3D8D807E7BE; Mon, 9 Oct 2023 02:13:29 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345671AbjJIJNX (ORCPT + 99 others); Mon, 9 Oct 2023 05:13:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345660AbjJIJNS (ORCPT ); Mon, 9 Oct 2023 05:13:18 -0400 Received: from mail-oa1-x29.google.com (mail-oa1-x29.google.com [IPv6:2001:4860:4864:20::29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6EA9BC5; Mon, 9 Oct 2023 02:13:15 -0700 (PDT) Received: by mail-oa1-x29.google.com with SMTP id 586e51a60fabf-1dcdfeb7e44so3038335fac.0; Mon, 09 Oct 2023 02:13:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696842793; x=1697447593; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=+6j4vvxY4EqozcmVPKocYKAhoEnZR1RKLlrR38PBlyo=; b=d6ziKF0S2B2Sl1ewD2umYwSmLlmj3LWmdBQgnVrRNnwxBuwGo9Gco/pfaLj0V945/t tIO0kWWckdVF6LLUP2rT3i2LJMayvOiXPj2fWYGWkQgm9uRjEmIa/Tv9ZoPfuMUU/gDd Nh+dCBIuhTQQYeqsSTSNN/2TTLwDQHp6h9zKDTKUByJep1OqU3xP1KMnpHfHgNhp9O2D vEBQaa4cPcoXnMw2XltATKY9PNEfA6gtk1ZeQ3fCckvdQWE15vYplhm6gfvSPyapjLSX zqcIfS3mnPf/BqNtX5HTvXKecR9zSEralYad7sj43qWcX2HT3un9DHc73fLwtczD05NR w1yQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696842793; x=1697447593; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+6j4vvxY4EqozcmVPKocYKAhoEnZR1RKLlrR38PBlyo=; b=rslnCnzN44sURSdwQhT4bGfPwtfjxa551Q34b2nOxwr1Dz/AGafKbL6tqo+hGMpeOf AleXiPuL4cuo+gisOc6EqqANn4VKhlWefQgbNGi4tXTGM9fqkeGkuUDtpoyF3SzNQW8Q zs6XHt1ZUM+Pdi/x3nOD+go2+5/iE61FzoPukMayIqZvJ97auLwWS4WTV6Shhz/Rf97h ohm+O/dVZhpvAgJ7ZJ4y6V1h8n/GrfzCMaA+4SYKxMjmMklcwX0xoG+3PJl3tFgQQhI7 tlqHfdZE0DYiN8ESSqrTPD0Q25llS+bEUXVzZtD0qljCG4vvtKaQQLn3/xKshq6g5sBY r5cA== X-Gm-Message-State: AOJu0YxZKkCg5KDAizzAJ7Ae4Isl4TKoCtJ6n3uYvyPDxfgmSQEtR6m+ fkYyKQkEFXKfvgamXBo9HRY7uFKBoDL/X32lyUKAs0RMSF3/MA== X-Received: by 2002:a05:6870:5ba0:b0:1be:f8d9:7bdd with SMTP id em32-20020a0568705ba000b001bef8d97bddmr18638659oab.6.1696842793555; Mon, 09 Oct 2023 02:13:13 -0700 (PDT) MIME-Version: 1.0 References: <20230918-strncpy-drivers-gpu-drm-etnaviv-etnaviv_perfmon-c-v2-1-8ae12071c138@google.com> <202310061323.05B262D@keescook> In-Reply-To: <202310061323.05B262D@keescook> From: Christian Gmeiner Date: Mon, 9 Oct 2023 11:13:02 +0200 Message-ID: Subject: Re: [PATCH v2] drm/etnaviv: refactor deprecated strncpy To: Kees Cook Cc: Justin Stitt , Lucas Stach , Russell King , David Airlie , Daniel Vetter , etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Bo YU Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=3.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_SBL_CSS, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Mon, 09 Oct 2023 02:13:30 -0700 (PDT) X-Spam-Level: ** Am Fr., 6. Okt. 2023 um 22:23 Uhr schrieb Kees Cook : > > On Mon, Sep 18, 2023 at 01:34:08PM +0000, Justin Stitt wrote: > > `strncpy` is deprecated for use on NUL-terminated destination strings [1]. > > > > We should prefer more robust and less ambiguous string interfaces. > > > > A suitable replacement is `strscpy_pad` due to the fact that it > > guarantees NUL-termination on the destination buffer whilst maintaining > > the NUL-padding behavior that strncpy provides. > > Friend ping. Who can pick this change up? > Lucas is the one who is responsible for this job. > > Thanks! > > -Kees > > > > > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] > > Link: https://github.com/KSPP/linux/issues/90 > > Cc: linux-hardening@vger.kernel.org > > Cc: Bo YU > > Signed-off-by: Justin Stitt Reviewed-by: Christian Gmeiner -- greets -- Christian Gmeiner, MSc https://christian-gmeiner.info/privacypolicy