From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-13.3 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 176927DE5B for ; Thu, 13 Jun 2019 15:23:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731933AbfFMPXE (ORCPT ); Thu, 13 Jun 2019 11:23:04 -0400 Received: from mail-qt1-f201.google.com ([209.85.160.201]:37266 "EHLO mail-qt1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731923AbfFMMdj (ORCPT ); Thu, 13 Jun 2019 08:33:39 -0400 Received: by mail-qt1-f201.google.com with SMTP id g56so17363857qte.4 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=Z4XkNIFoctNhOpZVJSaP2Kt2g051iitwX5HnC+yab/rYm1QJe+XNODMKsrZdf88rFZ FPphT7YV9rtXQNd7TvowzLWXbA1F2UB/16p/Wo0WiJKoqcUuMsQWFC1ohkZHHaynouVF mwJW+nxEGWdNtByswcSXmNIL8xdygRpEqZFScwulxwgWzNwFiXtrVuommCcGGVY+ytEF nmrkHCA2JnnYkZ4Apx2WwA5NY9aRDFVo4H0OztaGNPaMjiE7UTiq38PDm7SAZxJOAf3+ KF8T1l9ADnXhRqsBicamGh0Ka66yj5BfGQ+0vMvVHErg3isSbfF2oUOra2LNso2p1kr3 tf/Q== X-Gm-Message-State: APjAAAVpNUc2NdZTEiW1ipatLdk0+parUCdtpcgUBSxJ9bWqXY1mXCEs 6NLT6XAOuZgkhevEXR3rcTmxaKSSzw== X-Google-Smtp-Source: APXvYqwDOFO/TXAwxDgGXuhGAv16VtS2A0XMMDggMph3dbT9XaDKtbaa2+7NijtPy2Mna6BI/pjimZ5Cxw== 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-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@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