From patchwork Fri Jan 15 17:52:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Konovalov X-Patchwork-Id: 12023539 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=-11.6 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 D0D2AC433E0 for ; Fri, 15 Jan 2021 17:53:02 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6E6D0221FA for ; Fri, 15 Jan 2021 17:53:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E6D0221FA Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CEC448D01C1; Fri, 15 Jan 2021 12:53:01 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C9C458D01B2; Fri, 15 Jan 2021 12:53:01 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B63358D01C1; Fri, 15 Jan 2021 12:53:01 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0206.hostedemail.com [216.40.44.206]) by kanga.kvack.org (Postfix) with ESMTP id 9D2978D01B2 for ; Fri, 15 Jan 2021 12:53:01 -0500 (EST) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 50A9DAF83 for ; Fri, 15 Jan 2021 17:53:01 +0000 (UTC) X-FDA: 77708755362.15.whip97_230760827531 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id 25AAD1814C707 for ; Fri, 15 Jan 2021 17:53:01 +0000 (UTC) X-HE-Tag: whip97_230760827531 X-Filterd-Recvd-Size: 5544 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Fri, 15 Jan 2021 17:53:00 +0000 (UTC) Received: by mail-wm1-f74.google.com with SMTP id u18so3249888wmu.4 for ; Fri, 15 Jan 2021 09:53:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=RYO/TR1Bbm4mW1iECzdQbQ7ZTGAweoPPzyjiEaLEaqY=; b=V3MEXFzAfm6O1FvX8MH9E2c/cNrk8iXVj8ItAgiMFTqZM5o/X5AjOwZwKENM0Idqd4 ZJ1jnjUK1t4aSH5ejtcq+ohqtE3hN4nvlrhH8B8wmSkPyWWVHtLQysbPxtAz8BIq5+VH HfPjHdcqflkFxM22fcpJ8+tOaoJJCmFGWGh9XW/zG4lPfKHWpofI/SftBwcqlOQE1o+t pf1l14nu5KYEHzIfsw+q8PKLTXbmG5+sXeVdXrIxVNxTilgWy+LjVSpZrR2x4ydpm0Jn zgEHF9T1KiOxZez1mb1+2NICyi1vuPwCx6ChPYzvm+JYaAIg3/PhKpGQBGlukojuzNGo NbGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=RYO/TR1Bbm4mW1iECzdQbQ7ZTGAweoPPzyjiEaLEaqY=; b=YOu65/y8qv3bFOwiEmMBG/hmJfVN/geiYQSM57N/h0jncQOu8K3IRhnjMoPVCDl1T+ BEUNX1TVOvzRE66AW7/4w+Dg8+p8sqzwZlmRei9QtgwwW/jBvOLirpSy8ynKo+qRmi/N AbHsweMvTMmNr4PB5BqEMJudXF0E41mo4s+IsYWA5lstAzmIMSUqJd2q8pvkRWULmoPW cu+xoWCWVaa79cbbn2g+eYzoVwbpISrAAvsMUG2YBdGQ2qDvuam0CWjdCR3NhNQYnoi8 P12c3k8cNyZqj6hlcOhO60TgEn97b93hN475ZVmZdYaFWjbJiN+oRpcgZDxp4Rq6NLWK F6sA== X-Gm-Message-State: AOAM532C24rclU2M+Gh4HunutxuXbEP87Yyrp2OWnunLVAQKibkN+Qgz jmxC/ycTo/gevaAGjyAQH1NX+Fn6gWdIhlV/ X-Google-Smtp-Source: ABdhPJwG7faCpWeSX1O6QyfKQBzOXvqJrvQ3oBy9bg4d19WgkuuCGOUUerhmN4bT/0H9a4FTovsR3D5BFWBKy5hj X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:adf:c64f:: with SMTP id u15mr13855560wrg.270.1610733179247; Fri, 15 Jan 2021 09:52:59 -0800 (PST) Date: Fri, 15 Jan 2021 18:52:37 +0100 Message-Id: Mime-Version: 1.0 X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [PATCH v4 00/15] kasan: HW_TAGS tests support and fixes 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: This patchset adds support for running KASAN-KUnit tests with the hardware tag-based mode and also contains a few fixes. Changes v3->v4: - Fix using tabs instead of spaces in bulk tests. - Simplify is_write calculation in report_tag_fault(). - Add a comment about tests to report_tag_fault(). Andrey Konovalov (15): kasan: prefix global functions with kasan_ kasan: clarify HW_TAGS impact on TBI kasan: clean up comments in tests kasan: add macros to simplify checking test constraints kasan: add match-all tag tests kasan, arm64: allow using KUnit tests with HW_TAGS mode kasan: rename CONFIG_TEST_KASAN_MODULE kasan: add compiler barriers to KUNIT_EXPECT_KASAN_FAIL kasan: adapt kmalloc_uaf2 test to HW_TAGS mode kasan: fix memory corruption in kasan_bitops_tags test kasan: move _RET_IP_ to inline wrappers kasan: fix bug detection via ksize for HW_TAGS mode kasan: add proper page allocator tests kasan: add a test for kmem_cache_alloc/free_bulk kasan: don't run tests when KASAN is not enabled Documentation/dev-tools/kasan.rst | 24 +- arch/arm64/include/asm/memory.h | 1 + arch/arm64/include/asm/mte-kasan.h | 12 + arch/arm64/kernel/mte.c | 12 + arch/arm64/mm/fault.c | 20 +- include/linux/kasan-checks.h | 6 + include/linux/kasan.h | 37 ++- lib/Kconfig.kasan | 6 +- lib/Makefile | 2 +- lib/test_kasan.c | 424 +++++++++++++++++++++-------- lib/test_kasan_module.c | 5 +- mm/kasan/common.c | 56 ++-- mm/kasan/generic.c | 38 +-- mm/kasan/kasan.h | 69 +++-- mm/kasan/quarantine.c | 22 +- mm/kasan/report.c | 15 +- mm/kasan/report_generic.c | 8 +- mm/kasan/report_hw_tags.c | 8 +- mm/kasan/report_sw_tags.c | 8 +- mm/kasan/shadow.c | 26 +- mm/kasan/sw_tags.c | 20 +- mm/mempool.c | 2 +- mm/slab.c | 2 +- mm/slab_common.c | 16 +- mm/slub.c | 4 +- tools/objtool/check.c | 2 +- 26 files changed, 563 insertions(+), 282 deletions(-)