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 X-Spam-Level: X-Spam-Status: No, score=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69E20C63697 for ; Fri, 13 Nov 2020 22:16:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3752A22258 for ; Fri, 13 Nov 2020 22:16:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="M3qWP0rH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726198AbgKMWQ3 (ORCPT ); Fri, 13 Nov 2020 17:16:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725866AbgKMWQV (ORCPT ); Fri, 13 Nov 2020 17:16:21 -0500 Received: from mail-wr1-x449.google.com (mail-wr1-x449.google.com [IPv6:2a00:1450:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E970EC0613D1 for ; Fri, 13 Nov 2020 14:16:20 -0800 (PST) Received: by mail-wr1-x449.google.com with SMTP id k1so4653038wrg.12 for ; Fri, 13 Nov 2020 14:16:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=0h4ZiQVa03qeRcJlTu8FgXI56j5Z1qnhf08CuZFwLPY=; b=M3qWP0rHfTQk2jcgEfqgkakopE2+vK0SlmyGJK9pC4J8uXGmgpQoXM+4RKiTR2u3AL dY1QfKMiib7IggcnHSankwEPcWCmpo83cRgm146FaTvfh3P42P5LiTRroZV59FOQ219b a9iYmCEjfX0GTASJDOt3WF73FED6rtSBfINDeVSsCsuyl1p5Q5c1RmM/qgVtYGEeddQz pC1seCPTpYGwgBusn8cVsHlOLXJiGbsbi1/t5um/Fh8lluTgualAMtPPPYnSnellRIKb 3T9BuMVDhjV6UTAWkepuDNnWxOpg+bVG3nYfnPWshMBup33tb7asm2GPI4mDujD70mCj 0Jlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=0h4ZiQVa03qeRcJlTu8FgXI56j5Z1qnhf08CuZFwLPY=; b=pYBpEatQK0KPwu2Wwn9RHUxqbu+pVpGeuOXtF/R/iPEiFn2xKgEA6SNznp+hGjk26Q mOirTzZ6jOGBBj8qb3KniuYIPgRjHW5VFkg0KTb2hO75gtWmM9dZCzt8LP4FOVYIaOzN NGXnq1v9atUzuNAdNEIdRytNnfib1dKT7QrWO0Y3v3QktSUA1r47CFvbCX1ta0hy2jqL kiBLgXCdY9nEWU3+zUY4DPU8uXPhgqBteOAxpF4sOmyweVlt+LH6cmn24v2/kTve95q7 MwXyXa8pP8ojCfCsj34QV9y8qtzW3VNKtjNPgR+lpSEU5titl2VYAiZDu5Yjy5/jHTB8 LriA== X-Gm-Message-State: AOAM533386vlOvieWAvHRN23i7lxMgBroRHyNnDwhCmfUWqVPASLbXIK cS80LObwEwWY2ECCkAOec6cO3PkiC5IU+QTn X-Google-Smtp-Source: ABdhPJyAZ0UIxB9J4bgdN99GXrf34dCcbSY/XBwdRljymNk4BfgvZIogxL5MEFsmqXv+lyE1fI8/dfU7LefRJdfp Sender: "andreyknvl via sendgmr" X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:adf:9e48:: with SMTP id v8mr6446890wre.55.1605305779525; Fri, 13 Nov 2020 14:16:19 -0800 (PST) Date: Fri, 13 Nov 2020 23:15:30 +0100 In-Reply-To: Message-Id: <23b7935ec33e425f66ab736f6cf2bf74af542ac0.1605305705.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.2.299.gdc1121823c-goog Subject: [PATCH mm v10 02/42] kasan: KASAN_VMALLOC depends on KASAN_GENERIC From: Andrey Konovalov To: Andrew Morton Cc: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently only generic KASAN mode supports vmalloc, reflect that in the config. Signed-off-by: Andrey Konovalov Signed-off-by: Vincenzo Frascino Reviewed-by: Marco Elver Reviewed-by: Alexander Potapenko --- Change-Id: I1889e5b3bed28cc5d607802fb6ae43ba461c0dc1 --- lib/Kconfig.kasan | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index 8fb097057fec..58dd3b86ef84 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -146,7 +146,7 @@ config KASAN_SW_TAGS_IDENTIFY config KASAN_VMALLOC bool "Back mappings in vmalloc space with real shadow memory" - depends on HAVE_ARCH_KASAN_VMALLOC + depends on KASAN_GENERIC && HAVE_ARCH_KASAN_VMALLOC help By default, the shadow region for vmalloc space is the read-only zero page. This means that KASAN cannot detect errors involving -- 2.29.2.299.gdc1121823c-goog