Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp739959ybi; Fri, 31 May 2019 08:14:54 -0700 (PDT) X-Google-Smtp-Source: APXvYqywGHTza9bj2yZTf2rSDZkIUaKFn2KPsfTbZdhmIpxiaA2YJEU+wrYsvC7VY6FqIkjQrKBs X-Received: by 2002:aa7:8582:: with SMTP id w2mr10887088pfn.204.1559315694816; Fri, 31 May 2019 08:14:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559315694; cv=none; d=google.com; s=arc-20160816; b=yOg/T3+qHm6XrOw8XdkbXl6GLepz/Nv4+phM11A1Mq3QQttkdhTY5TNnAXJvSPiZqk kwpUikN9vopkWnNfwqfisHP+sBBM+byXs2WLuogJBUm9r8YkzGDcQqvbxa2mwCLRLaQe J5ucgvKPXVrNOgO3Yz9AoytAopUrzocrE3FZ8S0NQbZP0ZTjW0ul/lXruM5m3u9BVDJG Tbx6VN7h/vo+dzWyqXo+4KZpsFC8xj0mpAmvCAbItYa8/LhnIIIyW6kydendDQ4x4Luj 7SxzCfy2QC9vdeTnNPE40iCY3beYVNPN0xGWb7NFy6wobbcCzZSHTJpdOlWOl9w/0VAO 0Yhg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:from:subject:mime-version :message-id:date:dkim-signature; bh=DHrqTUytQArIdQz1xxPzRVqqz8q7l/i/jn+bESY1v40=; b=TyyrXat5+SM92ZKXIUGGv66TQYwo3Em9iuGF0AAhKVU5JC4ZYxSTeqe0i3/ewv1A7P oSpdFnJBMjaHSjYfBiiHAw9ZfngQdtRrBSMvEvmzwbhXYmH2LWCpWaiIhTUeritSeXRd FT8kN/oZ3eVZz4M0qyDisyvNl5k0poZxj0DwWhZ28QL0DNYbL6rzrWWgPaVaPfTtyPwx ncXcZxWcNL1fkwxU2FmauxeXA6FYwRDmgXutEz8sfxDyiHd7gB7LJa+HCFv4sc5aR1SU otljgQlDuJGLu3ATLiIhvj1UwRcU2nZmOSkA6BXdixi8SWz+9orIy6JQaj/orZW+l6A5 V76Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=VT0VhU5d; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v4si6348489pgr.475.2019.05.31.08.14.37; Fri, 31 May 2019 08:14:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=VT0VhU5d; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726774AbfEaPLh (ORCPT + 99 others); Fri, 31 May 2019 11:11:37 -0400 Received: from mail-qt1-f202.google.com ([209.85.160.202]:45039 "EHLO mail-qt1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726037AbfEaPLg (ORCPT ); Fri, 31 May 2019 11:11:36 -0400 Received: by mail-qt1-f202.google.com with SMTP id p15so811157qti.11 for ; Fri, 31 May 2019 08:11:36 -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=DHrqTUytQArIdQz1xxPzRVqqz8q7l/i/jn+bESY1v40=; b=VT0VhU5diy4D7S+PBFYFmWJZM3wQFT034TEzFtXa79nkY7mFiZqAq66rqbZ2BEasQY 5qvLyitDkcYkM3+HCUZP4WUEQoxkk7wsTF9szzHwKRKaG30oy4uWB2jkUBQ3lwq8+0N5 G8EH4PAeV0fONz/+Z99fpGrpxrRrGs8huirgP5uF4ArUup/88PAiT4olJKtbbuw6XDYi nwbs/PxRd0NEru5t9bQoAW57/dXGO4cj3DPuM3ZdtDwZu+oOdHGeC3zI2yNeJpJYuOC1 o7KL7K3LHGmWoU1HEWi4ZvKAHB+dAXmVd0U8GDVMwggw6HqBTqvEMS3ig3GxdlYf5aCi /0dA== 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=DHrqTUytQArIdQz1xxPzRVqqz8q7l/i/jn+bESY1v40=; b=LUd6qgfWn7JffLlgfFni5JcunB7G/Vx5BUToLPOOPFt8y3JS90b+df39GfJMgN5ocT /JA3TXDTYYW2Y/jsKWWx/bjQJBVdhDiefcj7QcZvW2W2Pib8H+/cx8OHo4fi/nHtxC74 K+G6jLT3CDI4cf48h8IdxHjAtlKOUateAxQy91OkarNWOk6/FzLhsknPvuw9Kb39n4JB 8LMk3KeCoynju00mENglRWWsaJr7nX+LiqdvDvHw4U3V4387rW0y8QNipOhgXciVP4ar nNDbAi+ciONqhe94U0wRiF+fmmfQd6F5nCP0SO2MafMUmr4sI+0BJj0E8ZjwpsBrmSbo fQ6A== X-Gm-Message-State: APjAAAV+ndxXqKn3jkZCH3UbJwrD+2cmDp3m2a6qUBaOET8J1tZBKkW2 aZq+Sz4TnyHV8Oi6Ub2qjSq8rutBfA== X-Received: by 2002:a37:af03:: with SMTP id y3mr9056184qke.296.1559315495561; Fri, 31 May 2019 08:11:35 -0700 (PDT) Date: Fri, 31 May 2019 17:08:28 +0200 Message-Id: <20190531150828.157832-1-elver@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.22.0.rc1.257.g3120a18244-goog Subject: [PATCH v3 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 of this patch series and discussion can be found here: http://lkml.kernel.org/r/20190529141500.193390-1-elver@google.com 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 | 75 +++++- 6 files changed, 376 insertions(+), 157 deletions(-) create mode 100644 include/asm-generic/bitops-instrumented.h -- 2.22.0.rc1.257.g3120a18244-goog