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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e11-20020a50fb8b000000b004c0c33b95c1si1137437edq.324.2023.04.06.06.38.15; Thu, 06 Apr 2023 06:38:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=DsBRi40C; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237053AbjDFNdC (ORCPT + 99 others); Thu, 6 Apr 2023 09:33:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237171AbjDFNdA (ORCPT ); Thu, 6 Apr 2023 09:33:00 -0400 Received: from mail-yw1-x1133.google.com (mail-yw1-x1133.google.com [IPv6:2607:f8b0:4864:20::1133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A768B93E4; Thu, 6 Apr 2023 06:32:52 -0700 (PDT) Received: by mail-yw1-x1133.google.com with SMTP id 00721157ae682-536af432ee5so740419607b3.0; Thu, 06 Apr 2023 06:32:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1680787971; x=1683379971; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=8GHSx+N8dU3EBkDSNQMUy0v9E7wtAUYHQ9r3K57DJLA=; b=DsBRi40CKlV7/aNO9KGEHjd/76bhFdgnZD576CS2G9JwrT7HVWBKl36yaGnX0nmY7L u3QucvZ2o5lu9YH9auRjF5RBzROO/5R9Ud/if4iNGQFmu9gQyQLGA2Pu/KtIAU4be74f XlIAkX0dGZGxAcB8xG4+SJ/G6oVjdqAiteSRXCAmBNrhgUegbn0j7JFiI1Vz+sr0sqwi U3KQaikFmutuM3wR53YxBvLou5MvcLfmLa5EmSF7MdXo9XZnfTLWq06GJgmEMDmqE0cC naqorm1D78n6qwHrsTfWo25bTqB3ev398e6LGtfkxCqIZODNTe3YZweklRJOnNHF+6no H0Pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680787971; x=1683379971; h=content-transfer-encoding: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=8GHSx+N8dU3EBkDSNQMUy0v9E7wtAUYHQ9r3K57DJLA=; b=ORdwG/d/VIEaRO41yp7xh8e7ytu8yMb91gPxjFlpgM86k9R9CBWtPirBqeHe0XApX4 d1iewYGU24aZVH+nScCGHDqEzXrR11kxw7a6jaJf8mI2itRYjNJwPWEPf7L6ai4AJ6E0 CvCQlj2IP+7cH1j9Pf6kwx7kB2sD61K0IuIwUTZ/SJTu5XgDMdQ+EGsVRmv3rbnIFdh+ 4QZGna8DhuEF+l+x7GdE9Pp59fAQ+u2JXa5iAwqsbfwAgizxShp4HKNvg/0deVTSKjlF KJB0pbmUxxTYPqPM5yP2M1pYuftH+0XlQYN7MkzTv8lsDoqN6F6Ve9767raSRNJPW7UG LnDg== X-Gm-Message-State: AAQBX9dS1J1MqoRR4S6tr5qhE2KBYLp9MnSNT2GzQdpBG2n8std3PQns hZaUIXqNHLO14MHtVBAaMk5l7BO4H8DJKyJ2eaU= X-Received: by 2002:a81:b245:0:b0:533:8f19:4576 with SMTP id q66-20020a81b245000000b005338f194576mr5967901ywh.0.1680787971647; Thu, 06 Apr 2023 06:32:51 -0700 (PDT) MIME-Version: 1.0 References: <20230405235832.never.487-kees@kernel.org> <20230406000212.3442647-4-keescook@chromium.org> In-Reply-To: <20230406000212.3442647-4-keescook@chromium.org> From: Miguel Ojeda Date: Thu, 6 Apr 2023 15:32:40 +0200 Message-ID: Subject: Re: [PATCH 4/9] fortify: Add protection for strlcat() To: Kees Cook Cc: linux-hardening@vger.kernel.org, Kees Cook , Andy Shevchenko , Cezary Rojewski , Puyou Lu , Mark Brown , Josh Poimboeuf , Peter Zijlstra , Brendan Higgins , David Gow , Andrew Morton , Nathan Chancellor , Alexander Potapenko , Zhaoyang Huang , Randy Dunlap , Geert Uytterhoeven , Miguel Ojeda , Nick Desaulniers , Liam Howlett , Vlastimil Babka , Dan Williams , Rasmus Villemoes , Yury Norov , "Jason A. Donenfeld" , Sander Vanheule , Eric Biggers , "Masami Hiramatsu (Google)" , Andrey Konovalov , Linus Walleij , Daniel Latypov , =?UTF-8?B?Sm9zw6kgRXhww7NzaXRv?= , linux-kernel@vger.kernel.org, kunit-dev@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 6, 2023 at 2:02=E2=80=AFAM Kees Cook wr= ote: > > + size_t p_size =3D __member_size(p); > + size_t q_size =3D __member_size(q); Since I noticed the patches appear to go for const-correctness even for parameters (which is great, I support it), these could be `const` too. Cheers, Miguel