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 E3755C388F7 for ; Wed, 4 Nov 2020 23:19:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8889F20786 for ; Wed, 4 Nov 2020 23:19:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="bHVBEntx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732556AbgKDXTQ (ORCPT ); Wed, 4 Nov 2020 18:19:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725780AbgKDXTM (ORCPT ); Wed, 4 Nov 2020 18:19:12 -0500 Received: from mail-wr1-x44a.google.com (mail-wr1-x44a.google.com [IPv6:2a00:1450:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BC68C0613CF for ; Wed, 4 Nov 2020 15:19:12 -0800 (PST) Received: by mail-wr1-x44a.google.com with SMTP id w1so47057wrr.5 for ; Wed, 04 Nov 2020 15:19:12 -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=LIY2nrONxUEpI3abKUGgXLbsvOzrU8dATPLwmTEHaeU=; b=bHVBEntxz8CISEU0UMN8g7zfiBYpgf9c3dPv6MGEzxLVFboSh9vX2gqioqWBXXsrKP N/z4fsTpVdinl1om2cC5j2OqJwtVuA1IwvmbAWZCF+nzFoZSZziKk4GDpcISqdFenC7m rpxqL8/6eID74piQHXlL2mI7svrDnPRnGWjaJ8yLj2TYEpxrEuEDIuPk2SEYJUd5e1/E NshGMDmoGdoc0ZoCeU958YNH8F8FVgzCipVqYsjgxe4rW0byTujl4L3kkg1lzkpeTJaF o81go1Z4TGVOEkQWgauTM+6m9WM+Aeirf6pRMTzBN/bn/BAuo4GS7mJMrxJRlrWpnvif PF+w== 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=LIY2nrONxUEpI3abKUGgXLbsvOzrU8dATPLwmTEHaeU=; b=biMS+vtLP3vdI0XJkdbaMn+4mVu4akzHll7/C23ZKMCyK3pTUD408Muh/T4NpAM+Ir +oFB8ykPQVHou4ETGJscctgVukeE1D1PQIXwxY0D/s8oVi4+AFysFlekxoRnidx0dnGW BqfxTEcuoB4A0woC4Z3mgJLklXNh70qkNezuion6QE/z2Rl4pMwmWZzBlJ9KKIFV5dKE 7HnzkgAFmDpumLz6NpbKCtoC9eikpoK5936rwhVORbjISSpbqY+M/sbZSbIdzzSaiY1x RhZ9JkFfYPoJwf/yk5sMnLfBZ4efn/2Z9OZxCzVZVdA+Y3zpzdSwFc9h6gWG/lyLae12 EdTQ== X-Gm-Message-State: AOAM531BTPfJo2GLYRNg5lVnRIZQhzCWNK+HSffWCHtU8/6+qUFaH0t7 PjkqbQxOrZi9fqaK8W3NpoujibBNlBAnDOOA X-Google-Smtp-Source: ABdhPJz8PA1RC6TbYkCijZyVacH+F5qN5v5VA7bYMHwRsUMGn/QRHb6T2stA1tcRlIPO7sX4wK7ZATIKTk0Xn1vX 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:a1c:309:: with SMTP id 9mr83135wmd.80.1604531950904; Wed, 04 Nov 2020 15:19:10 -0800 (PST) Date: Thu, 5 Nov 2020 00:18:17 +0100 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH v8 02/43] kasan: KASAN_VMALLOC depends on KASAN_GENERIC From: Andrey Konovalov To: Catalin Marinas Cc: Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , Andrew Morton , 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 --- 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 542a9c18398e..8f0742a0f23e 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -155,7 +155,7 @@ 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 -- 2.29.1.341.ge80a0c044ae-goog