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 08DF5C433EF for ; Tue, 12 Jul 2022 19:57:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233564AbiGLT5f (ORCPT ); Tue, 12 Jul 2022 15:57:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229781AbiGLT5e (ORCPT ); Tue, 12 Jul 2022 15:57:34 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D6EB1F5 for ; Tue, 12 Jul 2022 12:57:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657655853; x=1689191853; h=date:from:to:cc:subject:message-id:mime-version; bh=+pUV0uYtEDATsa+O/SRyLSlwebxYRQT6JOI8EuwDzQE=; b=AgCfAtKyx11UFA6ZQxzJH6Q2VA8K4JfggBSo29aMieMIWZ4S8rZDwEmj bdkAjE/ahvCT0xiQhzu3njZ08Ty0o/7XFAnVI9Wc/VI67pSWrNpEqpQR7 LFibrSy43A99+TWwBLfELQGucSbn5oWalijjIJ9j1PFEP4ld+hxSoH1iA Igp8rjziVyGCuYf+3ViVyqpIHG7Avc8jGeyVWiypSrqbIp2rnUC1YJ44d i4YKihWZdZj1jeXJWRph0VhzDkavKNxoSszBSMGAnBflRiZ2J2y/Colnp nr7p8wpMpX2xQs6j+zh3zc7TrwJsQjthUWp62qGPEEJD4FhRE7IsnM8Qx A==; X-IronPort-AV: E=McAfee;i="6400,9594,10406"; a="265442051" X-IronPort-AV: E=Sophos;i="5.92,266,1650956400"; d="scan'208";a="265442051" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2022 12:57:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,266,1650956400"; d="scan'208";a="737605179" Received: from lkp-server02.sh.intel.com (HELO 8708c84be1ad) ([10.239.97.151]) by fmsmga001.fm.intel.com with ESMTP; 12 Jul 2022 12:57:31 -0700 Received: from kbuild by 8708c84be1ad with local (Exim 4.95) (envelope-from ) id 1oBM0h-0002dv-9N; Tue, 12 Jul 2022 19:57:31 +0000 Date: Wed, 13 Jul 2022 03:57:08 +0800 From: kernel test robot To: Josh Poimboeuf Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Ben Hutchings Subject: [linux-stable-rc:linux-5.10.y 6996/7120] arch/x86/kernel/ftrace_64.o: warning: objtool: ftrace_epilogue()+0x10: unreachable instruction Message-ID: <202207130344.dwXyDmTk-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y head: ba398a0e54049bb6a1c102245ae84103f103ff2c commit: 8ca9dceaa17983afec1cc8e1a6e76d6bd142447a [6996/7120] objtool: Assume only ELF functions do sibling calls config: x86_64-rhel-8.3-syz (https://download.01.org/0day-ci/archive/20220713/202207130344.dwXyDmTk-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=8ca9dceaa17983afec1cc8e1a6e76d6bd142447a git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.10.y git checkout 8ca9dceaa17983afec1cc8e1a6e76d6bd142447a # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/x86/kernel/ftrace_64.o: warning: objtool: ftrace_epilogue()+0x10: unreachable instruction objdump-func vmlinux.o ftrace_epilogue: 0000 000000000008ca70 : 0000 8ca70: e9 00 00 00 00 jmp 8ca75 8ca71: R_X86_64_PLT32 ftrace_stub-0x4 0005 8ca75: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1) -- 0-DAY CI Kernel Test Service https://01.org/lkp