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=-10.3 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 CA0B5C31E45 for ; Thu, 13 Jun 2019 15:19:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A007321473 for ; Thu, 13 Jun 2019 15:19:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="WxypDLVb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388164AbfFMPTz (ORCPT ); Thu, 13 Jun 2019 11:19:55 -0400 Received: from mail-qt1-f202.google.com ([209.85.160.202]:42186 "EHLO mail-qt1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732123AbfFMNAH (ORCPT ); Thu, 13 Jun 2019 09:00:07 -0400 Received: by mail-qt1-f202.google.com with SMTP id t11so17429106qtc.9 for ; Thu, 13 Jun 2019 06:00:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=50HPP5ae9Rk5gHtTtValAbuIThOVqS9Fd5PO1+T5JvA=; b=WxypDLVbBAfE13MFgePdX+CWOGBL59QQhxucPOnfUn9bEFOjXnolus3qQ8ZmWtCw6s SCrpFyB3fT9ag/8PqR13C9ZauaEIPUCXzuHQ/AcvW3HxtFZ2Fd4wz6yArHaJr4le5KOR iQuXgd2bXp4vOS8Pj+qPboTPmSxSIMAJzVcCnHAxlXFRZHjn9rrCge/EoM5iRfM45K83 4cben+VtMPlxkjL1u67eNT/nJTF3/yxpqlfpt5IXwlNEbgEoATAvEQwDksYF+oO5Y9G9 UCJSUmeZ7t010NxVYRKCf9OFL23jYvoEFVGasvZ+HHAp3DdQG+U5WvX8FCL0UigmvNC5 gLVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=50HPP5ae9Rk5gHtTtValAbuIThOVqS9Fd5PO1+T5JvA=; b=s1nB6BQkQH1NDaCSzrkvlxl2Rz81yrtQBPZxUNxFrYdbItxcam1lH9DIqDEZnnaY2U 5uxf+2zGCt5mpRrMsT/WMbCMx6YErHTzy+e6GyCKpK7HD8Gc24bcUS/X/AetlPKX98T1 iba4bEiMVD6jnxZWyXOz6x3DFhsViYqLU/RTfb0QV2B7zQmCvVPkVCVKdDrZ/AWGVBe8 wbHISsiWfdQLrT9OdgnDwSqRqvqh0ShEySfFwMOpIu+4F3Z97zkWhdd0Sar0CVJ/3hSS kGkV9bu7iO8CdMeuKGdbnJQK+ukflGAMMK6Wt5FnkMYrmZXbv+3WgZLy9wlNGIgtEg7Y V9bQ== X-Gm-Message-State: APjAAAUSjTPsyHqcHm+ibsuauL2i8uWJye0s3mJTaClkfjXT0wGp5dCk eRnLsZa+oghZ6atz2l+fGBAzU1xqwQ== X-Google-Smtp-Source: APXvYqzMkxBs2cDN549gJpNFEb8lpj4AX3cyY+ueGUnHE4yMbW8XALFC1E3Hn6oiEp+TEpASzS75KmyzTg== X-Received: by 2002:a05:620a:624:: with SMTP id 4mr71498850qkv.15.1560430805871; Thu, 13 Jun 2019 06:00:05 -0700 (PDT) Date: Thu, 13 Jun 2019 14:59:47 +0200 Message-Id: <20190613125950.197667-1-elver@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.22.0.rc2.383.gf4fbbf30c2-goog Subject: [PATCH v5 0/3] Bitops instrumentation for KASAN From: Marco Elver To: peterz@infradead.org, aryabinin@virtuozzo.com, dvyukov@google.com, glider@google.com, andreyknvl@google.com, mark.rutland@arm.com, hpa@zytor.com Cc: corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, arnd@arndb.de, jpoimboe@redhat.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, kasan-dev@googlegroups.com, Marco Elver Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Previous version: http://lkml.kernel.org/r/20190613123028.179447-1-elver@google.com * Only changed lib/test_kasan in this version. Marco Elver (3): lib/test_kasan: Add bitops tests x86: Use static_cpu_has in uaccess region to avoid instrumentation asm-generic, x86: Add bitops instrumentation for KASAN Documentation/core-api/kernel-api.rst | 2 +- arch/x86/ia32/ia32_signal.c | 2 +- arch/x86/include/asm/bitops.h | 189 ++++------------ arch/x86/kernel/signal.c | 2 +- include/asm-generic/bitops-instrumented.h | 263 ++++++++++++++++++++++ lib/test_kasan.c | 81 ++++++- 6 files changed, 382 insertions(+), 157 deletions(-) create mode 100644 include/asm-generic/bitops-instrumented.h -- 2.22.0.rc2.383.gf4fbbf30c2-goog