From patchwork Tue Jul 24 16:49:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 10542681 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5CE88A517 for ; Tue, 24 Jul 2018 16:56:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BB3A28EBF for ; Tue, 24 Jul 2018 16:56:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3E32C28FFE; Tue, 24 Jul 2018 16:56:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E999C28EBF for ; Tue, 24 Jul 2018 16:56:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388468AbeGXSDk (ORCPT ); Tue, 24 Jul 2018 14:03:40 -0400 Received: from mail-pl0-f65.google.com ([209.85.160.65]:40703 "EHLO mail-pl0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388457AbeGXSDk (ORCPT ); Tue, 24 Jul 2018 14:03:40 -0400 Received: by mail-pl0-f65.google.com with SMTP id s17-v6so2028009plp.7 for ; Tue, 24 Jul 2018 09:56:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=NcyGQqHeJf08FCzNacBJKb8s2eWekxJenaMH09CYQ7Y=; b=NUe10EpSwaK9hTK+tgq8KHU1ZJEoxtFiiin1GLrUvH5befNzNbJp/dbqZtx0wwTjsZ S+9uldBhcSPn9UrOn3TzkhsKoKOGNGOHdl2zL3armIVu/iYQm29La09prGGpC6w7v5to kzrazNWKQj2c568+uReKEwROKVWqmdLy51RJM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=NcyGQqHeJf08FCzNacBJKb8s2eWekxJenaMH09CYQ7Y=; b=T9S6kasKW7Sd0KEmD3VcNxGsozMXFrVsyr10H4eTIDE0LNGlOnVgNxax4fi3UHEaoH q4pVwS1VWpXkG+rk5bHYnsjHZEmVSKfX6TSihpEzYFEx46SRNmcxdv0cReWx17MsawET VoWwchaOOZaQfZ9qmCv47mRHKy/02El56GqMC/ZOjl9U4tQUPWTGdYkK8tgQTyEHyzLw YH+/5h8MqtsTGIMZ4yXrwNHGAGwgYNc2/eXULbBBO1nRvwjBzpLxFtauidn+/sJV4FD0 6TK/LPXWgvfh2bzhlNRxPJ0DYswTj5MyXCPDF2ZtminxbuW83fa6SUOCYSXhdenP4RP8 Tvpg== X-Gm-Message-State: AOUpUlHFX+q4nyUXYNLsTdBIcD0ooO80mav3KEE07P+iMValpNpJ59M5 aqMlqDiJB557zGZqxX44XvHC/w== X-Google-Smtp-Source: AAOMgpdsCSzdgHfeKIerJQZi1yIP1qsAKuD1uCzih3O8Vp+lUv2MyL1OLAAO13EERm9srC2f7xhK+w== X-Received: by 2002:a17:902:a5:: with SMTP id a34-v6mr18046476pla.60.1532451377375; Tue, 24 Jul 2018 09:56:17 -0700 (PDT) Received: from www.outflux.net (173-164-112-133-Oregon.hfc.comcastbusiness.net. [173.164.112.133]) by smtp.gmail.com with ESMTPSA id z4-v6sm21812205pfl.11.2018.07.24.09.56.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Jul 2018 09:56:16 -0700 (PDT) From: Kees Cook To: Herbert Xu Cc: Kees Cook , Arnd Bergmann , Eric Biggers , "Gustavo A. R. Silva" , Alasdair Kergon , Rabin Vincent , Tim Chen , "Rafael J. Wysocki" , Pavel Machek , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Philipp Reisner , Lars Ellenberg , Jens Axboe , Giovanni Cabiddu , Mike Snitzer , Paul Mackerras , Greg Kroah-Hartman , David Howells , Johannes Berg , Tudor-Dan Ambarus , Jia-Ju Bai , Andrew Morton , Geert Uytterhoeven , Josh Poimboeuf , David Woodhouse , Will Deacon , dm-devel@redhat.com, linux-pm@vger.kernel.org, linux-crypto@vger.kernel.org, drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, qat-linux@intel.com, linux-ppp@vger.kernel.org, netdev@vger.kernel.org, devel@driverdev.osuosl.org, linux-afs@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 18/18] crypto: Remove AHASH_REQUEST_ON_STACK Date: Tue, 24 Jul 2018 09:49:36 -0700 Message-Id: <20180724164936.37477-19-keescook@chromium.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180724164936.37477-1-keescook@chromium.org> References: <20180724164936.37477-1-keescook@chromium.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP All users of AHASH_REQUEST_ON_STACK have been removed from the kernel, so drop it entirely so no VLAs get reintroduced by future users. Signed-off-by: Kees Cook --- include/crypto/hash.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 21587011ab0f..fca3e28c77a4 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -64,11 +64,6 @@ struct ahash_request { void *__ctx[] CRYPTO_MINALIGN_ATTR; }; -#define AHASH_REQUEST_ON_STACK(name, ahash) \ - char __##name##_desc[sizeof(struct ahash_request) + \ - crypto_ahash_reqsize(ahash)] CRYPTO_MINALIGN_ATTR; \ - struct ahash_request *name = (void *)__##name##_desc - /** * struct ahash_alg - asynchronous message digest definition * @init: **[mandatory]** Initialize the transformation context. Intended only to initialize the