Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp7031237ybi; Thu, 13 Jun 2019 08:25:37 -0700 (PDT) X-Google-Smtp-Source: APXvYqx3O1mt1L+1/P4NfiOAgqOxm7GFSKeHuiSexhb9XAHmPPbamNMmL2FFM3zVzWDZqtQbWt87 X-Received: by 2002:a17:90a:de0e:: with SMTP id m14mr6223879pjv.36.1560439536934; Thu, 13 Jun 2019 08:25:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560439536; cv=none; d=google.com; s=arc-20160816; b=0K0+LZSHPnA6lOxkkmYv9No0sz2WutxBXrBJsVAooDZhPai7k4paYVRfxYtygEIMQD vm5ZSUlTL+kyTvk+pYZpQPBP+0O/WPV12qEFSrMJaGAIMcIUok4HPjn8z5vXlW9d9Vwp VbaTue0wOYZD5NLd6dk4JXk2g1ryr9fO8VW2pjz2tvZgQy4x/2Wr7vbqC7qLEG+3yPg/ et6txlBMT2dXMWot04iDogHqHEYiyst63n6qHJzFM64HZuCA7Pyf73wqMe/oCdBf2wkE pFaakLEZaNLcLYvUAiyET5o6XRjANnKmhGcz3VsCv6sjLLmcWvAn7vYCDyFO3NuAeBLu FWLQ== 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=hR/rel8D4gBiToxcZ/kWhC4zY96wRtLwSvBkxQ4V8Fg=; b=XWN6gq4/P22MmYqTWvD+0WICSMqvdZSoIt+PjGJNNkpAXtnGYt8Xl2JqhK59eFhxSl zuIfm8NNmUgrN//y471HI6+Zznoej5a9S5s3s9Hdi7nTF1CwlJMzGIMCtso63IIUBM3j PMI3frDza/ZYCKgunYRCW8MyNwSzOHNsVXxqHVObY3v2nFunWeSMvv66NPzY4fZsc/8t u9BCXO7aFPkGGaVC3IT9vo46aibbacIJaR7joBLHfjTNc3wUzvFZXNNvA2nyHkC2Gq0h RnqdIL9XpGS75SHEwSyB8mUCrhz5TYk7SMwX1M1fadfzLKutaWIp/1qT7btTMWJlSTdQ yp7A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=vMwEtqzM; 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 k7si3278083pls.164.2019.06.13.08.25.21; Thu, 13 Jun 2019 08:25:36 -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=vMwEtqzM; 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 S1732037AbfFMPXF (ORCPT + 99 others); Thu, 13 Jun 2019 11:23:05 -0400 Received: from mail-qt1-f201.google.com ([209.85.160.201]:50851 "EHLO mail-qt1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731945AbfFMMdk (ORCPT ); Thu, 13 Jun 2019 08:33:40 -0400 Received: by mail-qt1-f201.google.com with SMTP id g30so17306230qtm.17 for ; Thu, 13 Jun 2019 05:33:39 -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=hR/rel8D4gBiToxcZ/kWhC4zY96wRtLwSvBkxQ4V8Fg=; b=vMwEtqzM11ZDYbxg3IuXNuB/bsH8Fggv3MeD3vzVsIqAPesB8sArdWifMXfLgIG4NM LKslpGkbYufQ9y2r3lINgugJro+63B7oTJN/g5EikB1ZJGpZvZtAi7Vkud5BnJ8dEm1F cFX7OacjFj4EWaBYSbaZ7TpjBs2pMWAXdrP8o9CJuByMAH13OVxImx5HQenwYzhG1jfl fWTs2IF7Rd+9scxlHkPTN1IQXTcviFJbrJT9wpG9/PiPivDghlafXY/iCkJ+0dd69EM7 NXp0sSqLMZ+4yfB1hzsv3yvx8EB/6hQjV2zGZ9QTO90uHzdNxIjxFp0Xh4uzEfNsMxVn D6hA== 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=hR/rel8D4gBiToxcZ/kWhC4zY96wRtLwSvBkxQ4V8Fg=; b=Mkg5UdV7qoAqNnwykAXORJmlGd8XgyBifZjdDNXAVWFAsybSEUz+XOxII8s6Ftig8n RLZoQCglFewz09RP8+/VslT/hke1Cc6q8sjQl0rYnugShAT1fLEsXu1+o4Bkskl8B/fF oPjN200ZUiETaV5Suzb6IaQ6QHzwIy0Dbj04P6O8Z6s+hIs8Du0zY7S244x47ZY/usd/ I1whHwlKWI5AM4GVmoHdVsM0yOPAznHSvC7a8sMjK36nv6oFVZElEVB/8ifKiKNizhix J/UDq3VR1yTTd/vf3ATqXgr5fOnbWk1x7VymkPDFq1UDpH/eElKrYmg6ffnmYdmx3xos 6xbQ== X-Gm-Message-State: APjAAAXaSOjBojTJGM1xD9gYjL2O70GTSKj2HWG/bVbIVzue7C1fFADQ QgOps9bMTsxbaiIzMz9oSICgGXZGUw== X-Received: by 2002:a0c:888a:: with SMTP id 10mr3409777qvn.0.1560429218725; Thu, 13 Jun 2019 05:33:38 -0700 (PDT) Date: Thu, 13 Jun 2019 14:30:25 +0200 Message-Id: <20190613123028.179447-1-elver@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.22.0.rc2.383.gf4fbbf30c2-goog Subject: [PATCH v4 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/20190531150828.157832-1-elver@google.com * This version only changes lib/test_kasan.c. * Remaining files are identical to v3. 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 | 82 ++++++- 6 files changed, 383 insertions(+), 157 deletions(-) create mode 100644 include/asm-generic/bitops-instrumented.h -- 2.22.0.rc2.383.gf4fbbf30c2-goog