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 7A419C388F7 for ; Tue, 10 Nov 2020 22:11:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2439A20637 for ; Tue, 10 Nov 2020 22:11:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vg43E0A6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732252AbgKJWLS (ORCPT ); Tue, 10 Nov 2020 17:11:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732184AbgKJWLM (ORCPT ); Tue, 10 Nov 2020 17:11:12 -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 5079BC0613D1 for ; Tue, 10 Nov 2020 14:11:12 -0800 (PST) Received: by mail-wr1-x449.google.com with SMTP id e18so6178715wrs.23 for ; Tue, 10 Nov 2020 14:11:12 -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=+WfGVmUcfITRHEHJPKcL2vISbLS+w5GU8CW99F+itqc=; b=vg43E0A6yOkdBKlSumbG23HIPKHMG2fFGlW5x7XCoPytCblD7QRpMmkKrDE+/qj5rJ QQnFAaY6Ikc5fIjCKfGfC9HSXAICPfJPjJVHmOD01Njx2amC0j3uHCY+HqIITfq4mdDY wvozL6Sca7h1Czs+9+8f1u00f1LmE11omJEvWkkPiKNG1IscyHhwjoXvwvn3cNkuNCX+ mNGwrhe1iCjYruI0qxA0SXLM42ZaNQRSI3QCqCgR99c5DbB3tWECE3qFGewWC71Uahdr u2LJhhN+AS6SyQNMNwIbpEMNReb0X9uzw4nHjzAYtLjhBwExjT1Yhwqrq5UwZX7yBwGe 38GQ== 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=+WfGVmUcfITRHEHJPKcL2vISbLS+w5GU8CW99F+itqc=; b=ivm2hZUylMNyUsE3cBqqU4wWtw52e95u7QC4/B69u7xs/rtpgsm+6k4wtAwnamOlnE gK1b/9TJSe9HgAUKIRWdVgYGEi3a9/qzJZCAnojJeT4Ch7VQESo31NcrbsSf7E0ksGg7 m8FnGoTAAW0NUOdb1Yz4JCW3vqD+ujmtmRVu2PXsFnOxGutrAqY87Dmo7jOOTFgyLg4h RGpkQsZWVHR/bVVfh+5xu9dCWizm3SFRGkqGiPk2vl2MvZvCIWC7Bokj/VxVUZMwD+t/ QmAxV6rRM5rIgGYbLS3hxuyYU8nQhfd7cEMIG/XG8u9N068HcDY5Ww+xZZ6xjp9duV4V gQWw== X-Gm-Message-State: AOAM533/7Sgf+myUqnNddglKf+rPkFMgfTe7u/demlabYA3c5pfMAJ01 VLKZAdVKWfiT8TiN9zpVihHwGa4O/AIc2dcf X-Google-Smtp-Source: ABdhPJxwTbk0NjoJxDDMQxpQd7p4SPRLkqnor5eNLvNVXgVYdd+g7ivbLYQMqr3PppMVQh7kzrEzI2rhySIOEZ4v 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:a7b:ce99:: with SMTP id q25mr243582wmj.35.1605046270971; Tue, 10 Nov 2020 14:11:10 -0800 (PST) Date: Tue, 10 Nov 2020 23:09:59 +0100 In-Reply-To: Message-Id: <24a25ef0fcfa07a94129e2ae5ec72f829c57ac42.1605046192.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog Subject: [PATCH v9 02/44] 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 -- 2.29.2.222.g5d2a92d10f8-goog