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=ham 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 C095E7DE71 for ; Mon, 4 Nov 2019 14:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728595AbfKDO3B (ORCPT ); Mon, 4 Nov 2019 09:29:01 -0500 Received: from mail-wm1-f74.google.com ([209.85.128.74]:44996 "EHLO mail-wm1-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728831AbfKDO3B (ORCPT ); Mon, 4 Nov 2019 09:29:01 -0500 Received: by mail-wm1-f74.google.com with SMTP id y14so3692611wmj.9 for ; Mon, 04 Nov 2019 06:29:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=aW4SA83XYvfgMU7wkWAC5rLE2H9FWpbhI6EjHgaPF1Q=; b=HjfM6Wvb5TrRvQXysjjhAZUXi13FWV60JFteS+oivUITalKiSIDLxLiGVgaE8rjZG2 +dQdZYZI/44MYCotEouoS6TbMnf92clOZmho26Nd1I6Nu5lVM2ZXoM41zy/iZdDffmvE 0SVYiC4IwhQQtpyGFTa+Eu8S4+F3Gfgfxez7s1FWzg825ZLstaiCvlaqstfovKj+O8gX b6K6tBM13jfHVCA8L/MhVc7hwQbXU5lZSIo1Y5mLdyyQ8hbi2YaUotlskJZMMFjch2+1 PEswSISz5h08vomYHGFXbp/Kh9TrObHBabM8gKrGa2nGruMwk7cGij7fbNFqhyQAvADc i+ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=aW4SA83XYvfgMU7wkWAC5rLE2H9FWpbhI6EjHgaPF1Q=; b=ZX49kJtmQLVjvBFH4EIonTasClqOoK9QZwUX7DXB26UbVOxpUVY2cgWIEH2d/NoMFQ 2f0/5EYZ2G9s0s19Kzx1cqh5XZSQIqraQC94pJ5q2Cp5cIkeIpDC5oYKT0dQuj5WNjh0 UTKD1VDn7w6iR1oJJq8TVNR0m7/8WYpv+31VZvzYiZWwamMvRe/3LtUzWSlGQ2TtyPkk yVBEL/umWmhL7F9Ey6x3YsKVwnMhl6uYTVLSEnz2FeYgju4zl6ZNQhLL3IjL+3urI2oj FSSDwFj1+1689wYdaMkQ9CbAeNhsILgj3/j7BQvRcZG1WcRQQDVEaP95+K2CbwDqwXps aSuA== X-Gm-Message-State: APjAAAXXzAGSU1zGQkh+dUidU1hT3/UJhVRdmZDdBBPh0N6/OcYQuU4u 34UvGKZtKmb7RRzZAVkU/Ug+dstV8w== X-Google-Smtp-Source: APXvYqwpc3TFOOZt+q3MIYWgPWVX1Lm/mb3Jd4l0c4dTAXD7v9VvchXmCDGlKWMT+LJc4C7ZgART+EynnQ== X-Received: by 2002:a05:6000:350:: with SMTP id e16mr25109889wre.276.1572877739417; Mon, 04 Nov 2019 06:28:59 -0800 (PST) Date: Mon, 4 Nov 2019 15:27:39 +0100 In-Reply-To: <20191104142745.14722-1-elver@google.com> Message-Id: <20191104142745.14722-4-elver@google.com> Mime-Version: 1.0 References: <20191104142745.14722-1-elver@google.com> X-Mailer: git-send-email 2.24.0.rc1.363.gb1bccd3e3d-goog Subject: [PATCH v3 3/9] objtool, kcsan: Add KCSAN runtime functions to whitelist From: Marco Elver To: elver@google.com Cc: akiyks@gmail.com, stern@rowland.harvard.edu, glider@google.com, parri.andrea@gmail.com, andreyknvl@google.com, luto@kernel.org, ard.biesheuvel@linaro.org, arnd@arndb.de, boqun.feng@gmail.com, bp@alien8.de, dja@axtens.net, dlustig@nvidia.com, dave.hansen@linux.intel.com, dhowells@redhat.com, dvyukov@google.com, hpa@zytor.com, mingo@redhat.com, j.alglave@ucl.ac.uk, joel@joelfernandes.org, corbet@lwn.net, jpoimboe@redhat.com, luc.maranget@inria.fr, mark.rutland@arm.com, npiggin@gmail.com, paulmck@kernel.org, peterz@infradead.org, tglx@linutronix.de, will@kernel.org, kasan-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-efi@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org 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 This patch adds KCSAN runtime functions to the objtool whitelist. Signed-off-by: Marco Elver --- v3: * Add missing instrumentation functions. * Use new function names of refactored core runtime. --- tools/objtool/check.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 044c9a3cb247..e022a9a00ca1 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -466,6 +466,24 @@ static const char *uaccess_safe_builtin[] = { "__asan_report_store4_noabort", "__asan_report_store8_noabort", "__asan_report_store16_noabort", + /* KCSAN */ + "kcsan_found_watchpoint", + "kcsan_setup_watchpoint", + /* KCSAN/TSAN */ + "__tsan_func_entry", + "__tsan_func_exit", + "__tsan_read_range", + "__tsan_write_range", + "__tsan_read1", + "__tsan_read2", + "__tsan_read4", + "__tsan_read8", + "__tsan_read16", + "__tsan_write1", + "__tsan_write2", + "__tsan_write4", + "__tsan_write8", + "__tsan_write16", /* KCOV */ "write_comp_data", "__sanitizer_cov_trace_pc", -- 2.24.0.rc1.363.gb1bccd3e3d-goog