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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEB1BC433F5 for ; Fri, 13 May 2022 20:22:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384124AbiEMUWP (ORCPT ); Fri, 13 May 2022 16:22:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1384121AbiEMUWJ (ORCPT ); Fri, 13 May 2022 16:22:09 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50762158F8C for ; Fri, 13 May 2022 13:22:09 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id g26-20020a25b11a000000b0064984a4ffb7so8208163ybj.7 for ; Fri, 13 May 2022 13:22:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=IxHEer1R7aVI+23m0/FmYa+I+TASlrgBBKCjzC35/is=; b=OxMA8KuHb8XyzEjNcQew0ArZPh+FVcPLuUudPe8Jic4JWJ2qN0iVlwiAZZSV9Gtzwv 7HrYwsvduCROdph8yijbuUGSiOimDaejwPHZbVJ1M734lxldw057vMrtMmT4JDtTWicN LFtVcyF/iv6fifWYUO8WReZUA0eigVeQwl1sgTgmQEQ2c5FaP2Mr+ePC13K4wuaZayO1 d8+lzT59gwHtCXP+id4mRPGTa9D7RNmpX55+YjUZbLnUUDJp3++JVBGJgL1r3FL1rFgD 9c/LZv5mImy0vO1Qkn8xvEDuDTkaHE5SP9oiguHQSFWAB0RU+W3gKv3DkAA64d0G0jNq TI0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=IxHEer1R7aVI+23m0/FmYa+I+TASlrgBBKCjzC35/is=; b=5psJTPkqDPEDSufKasRypzlfmIF59VNrLp8HMG6NU2DbxuDFYiISc0vXWEctj0wZrA 7Ga8GPK16HIqFcjWAc4bdYOsNsuySu5K3NsmSZoT+9/+RZJmDsdBndbfTlSixPTg6FXR okR++1FSiQqNXdCU8ueS2XFdPutBpEGmTYtNHN4Z9imQa6laZKWCKfW162kPyQqyLNPn 9wJp0DSkc5MYUE55Y6ox36fidCT1RNXhmPAhWhEkT9J/IlkULwBFDVryMeJsFobcPpeA S8QwisNgIB2fU96WMAA6qKjSDT7XajEznp0Ti0abM4xV71fnk7OdY6v8z57OEvn4GjOe DHeQ== X-Gm-Message-State: AOAM532WAphs8hDu/o7dqnio3Ypg76Cf6+2oA+snpskMQ17vyYUjhgO9 PUzb34+zBR35G9mkIcm3EBuLSKCNTgQoh1QR3DU= X-Google-Smtp-Source: ABdhPJzUS09TySpKZNXM6m4ea8HNMDMOfILnzeEqlsd04WIi/iMakGhB41x1yNg+3tqOE5zhpyksH9HH+6A5s0pmUMM= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:e0:c17e:c2dc:13eb]) (user=samitolvanen job=sendgmr) by 2002:a81:5607:0:b0:2db:c245:5ff4 with SMTP id k7-20020a815607000000b002dbc2455ff4mr7860740ywb.244.1652473328452; Fri, 13 May 2022 13:22:08 -0700 (PDT) Date: Fri, 13 May 2022 13:21:41 -0700 In-Reply-To: <20220513202159.1550547-1-samitolvanen@google.com> Message-Id: <20220513202159.1550547-4-samitolvanen@google.com> Mime-Version: 1.0 References: <20220513202159.1550547-1-samitolvanen@google.com> X-Developer-Key: i=samitolvanen@google.com; a=openpgp; fpr=35CCFB63B283D6D3AEB783944CB5F6848BBC56EE X-Developer-Signature: v=1; a=openpgp-sha256; l=669; h=from:subject; bh=nqUrm2wetpzQHlcH5NE19NaoXqu5E22beF1fMMwNKYU=; b=owEB7QES/pANAwAKAUy19oSLvFbuAcsmYgBifr3iMv7g14dMbgfDCXDLb8bbUgmfd0gW8V9AeL1O zzXtTTuJAbMEAAEKAB0WIQQ1zPtjsoPW0663g5RMtfaEi7xW7gUCYn694gAKCRBMtfaEi7xW7iEdDA CI6z4FnJ7PlqvcN6HOYf/c+XXnT7MWbgCS2HoVv2P8QoFQ7TpgbvN9zIdJ2RqY6xEuuz3emRk6Ah6L m3BDCj8zH2JvuDhGU8CvazPYASgz94v/HBmS7NVikbjwkqCaqgwWglXdD2apJxu5anZhqnCpft8QPP bsIYUu1URvNbcxZKEGTmZ+CfaHo8s7SG6cXjrxevYWrVVsTwtujQ9JyLn0OoTcm/Fz7e+vQTkJ8h83 tVq2x9/I247t3sHmmcB9KPidgRSvcn1f9jJq0P1G7rSEDpVyZu2g0xj0mridXoViXt4rnsB3q1jmCE BVikAZnVI/yfasdkpS9g3uH/FygOBkKSfIT27/K+DLNc7XcLJJfDlhBepjYoQ2RwC0/vfOhr+7iq8Z S6gs/HjMHr5L+Y77qMjwRSwMNE2rdV+mTed4i9qBwlRWYaCWx3uwygO/JhgxJmegZ36M5eaQI+mxtd OYZMFi5iejcuHT5TOPjKY0v8Ia7ODn5SOlEwOFOqDPNMs= X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [RFC PATCH v2 03/21] kallsyms: Ignore __kcfi_typeid_ From: Sami Tolvanen To: linux-kernel@vger.kernel.org Cc: Kees Cook , Josh Poimboeuf , Peter Zijlstra , x86@kernel.org, Catalin Marinas , Will Deacon , Mark Rutland , Nathan Chancellor , Nick Desaulniers , Joao Moreira , Sedat Dilek , Steven Rostedt , linux-hardening@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org The compiler generates CFI type identifier symbols for annotating assembly functions at link time. Ignore them in kallsyms. Signed-off-by: Sami Tolvanen --- scripts/kallsyms.c | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 8caabddf817c..eebd02e4b832 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -118,6 +118,7 @@ static bool is_ignored_symbol(const char *name, char type) "__ThumbV7PILongThunk_", "__LA25Thunk_", /* mips lld */ "__microLA25Thunk_", + "__kcfi_typeid_", /* CFI type identifiers */ NULL }; -- 2.36.0.550.gb090851708-goog