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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 81D37C433E0 for ; Fri, 15 Jan 2021 17:55:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54D5623A7C for ; Fri, 15 Jan 2021 17:55:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387766AbhAORzD (ORCPT ); Fri, 15 Jan 2021 12:55:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731791AbhAORzB (ORCPT ); Fri, 15 Jan 2021 12:55:01 -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 8049EC0617A2 for ; Fri, 15 Jan 2021 09:53:37 -0800 (PST) Received: by mail-wr1-x44a.google.com with SMTP id w8so4465521wrv.18 for ; Fri, 15 Jan 2021 09:53:37 -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=2dy0JKUm8Du/4wd3SX5MxOAJub1HPeeRj+5dAQlPBLw=; b=SmjPm6FsW6rI2GtXZD+Me7Hcyqy6ZeO5c7Ch1XxpfvE4CoGPdDUekkC1XvFdUq/VU/ 55q1xclB04xecgUZEyOpy8ALlLH5r4q6JI24KDxQyQOzwEhjZNxIQ8FdfuX+vuQed4HZ dqDhv7md5aQ4nebIWi1pur8eKObjTL9eZpwI4TGTtMReh0dN1inqr9MM+OfR1wpKDjXB FEBGQJPwIfgFUyo7qLD3JY/j799yCZX3OYdi7wTVNrNX5UufE9tVRjgNej49yKTcbcEx TzXJAtwdUSoaMxZTurgFNvTmwq0xSiZBoSzg4IBmgq6CyfNJS9mmPew8oRBYdKLXJMLn d14Q== 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=2dy0JKUm8Du/4wd3SX5MxOAJub1HPeeRj+5dAQlPBLw=; b=gSxeSG/0DUpDggA4p5hMTwyUWUPl90t+owfR2v+5pWoyUsZnkoaIqxGxueCzZvEAfZ B/P+7Ip9EFOdXWuVQ6s7Z9v1ikGoqppFfZ2fWQshtoxl1iskQiSCb/R2GWEiBJaWuDAx ZNel98+VhCoOU+sUtk/XWn1aSRyvhV6K7bPc/BiCwopVd93fgBQ6MHQFc22OmaaPZOQ6 VbeN2+jn93qGt6uJH7PyOcXxJaPjTdDTf1755kqaWIB14FRlkfYpddroDvteqKCo8TLl FjJI4qfTFdHTqp3OyaFr/mjl8RbO2LxuZ9QL6bGaIySraN2YGYbrAAga14yS8+ojA4P0 wPxQ== X-Gm-Message-State: AOAM532AB8isDy+89jndDnqfb49Tw4SLRF+/czHaKKYzwZk2DPuRDnfn X2oos8SO0wfF2dxx06U083QLs090+ur3XQsc X-Google-Smtp-Source: ABdhPJzCwtvOzxt74tFT0Nofq6kJnl4VHr6DR4YDhi+J5CSjZSYFoWpWz8biVKm8VdLbGd8ieXVnEegP7FeBV4Rj 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:a5d:51cc:: with SMTP id n12mr13912569wrv.375.1610733216075; Fri, 15 Jan 2021 09:53:36 -0800 (PST) Date: Fri, 15 Jan 2021 18:52:52 +0100 In-Reply-To: Message-Id: <25bd4fb5cae7b421d806a1f33fb633edd313f0c7.1610733117.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [PATCH v4 15/15] kasan: don't run tests when KASAN is not enabled From: Andrey Konovalov To: Andrew Morton , Catalin Marinas , Vincenzo Frascino , Dmitry Vyukov , Alexander Potapenko , Marco Elver Cc: Will Deacon , Andrey Ryabinin , Peter Collingbourne , 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 Don't run KASAN tests when it's disabled with kasan.mode=off to avoid corrupting kernel memory. Link: https://linux-review.googlesource.com/id/I6447af436a69a94bfc35477f6bf4e2122948355e Reviewed-by: Marco Elver Reviewed-by: Alexander Potapenko Signed-off-by: Andrey Konovalov --- lib/test_kasan.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/test_kasan.c b/lib/test_kasan.c index 4ba7461210fd..d16ec9e66806 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -47,6 +47,11 @@ static bool multishot; */ static int kasan_test_init(struct kunit *test) { + if (!kasan_enabled()) { + kunit_err(test, "can't run KASAN tests with KASAN disabled"); + return -1; + } + multishot = kasan_save_enable_multi_shot(); hw_set_tagging_report_once(false); return 0; -- 2.30.0.284.gd98b1dd5eaa7-goog