From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30585382361 for ; Fri, 6 Mar 2026 11:58:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772798324; cv=none; b=hrwu/8j4LeIkhybeyZr/Vlf7AszORklAB3gB7U03gD5ZnoBHV6a/zf2oLIiM3g9Cad8JlHK5mDgTcepyKE596blkDiDMuOhvKkiWGHoG/di+KIs5S12vD3nRUpGJIWxquKkHmRYVbMUea5/1n/uTa5qKqi3/3bulbRIB/RdMEaQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772798324; c=relaxed/simple; bh=+IpBwDCkQiYgOY4mGAQapVSzapoGq9dBftoL/SfGPB8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eIARdPMbEKmKvSgB8MMj1t9pZyMAPLITbQFmwNQbq8yzSxwdyoGvgObMd67/9kw0rYULv3DN9pgKoMXYxQNKDzOhGDBSP1kpQGM8hGepLQ5JfXgTl5atWMQfS+svteT52eQLQ5zP4/BY14fNXZ+uEZS66eVPJrx+UOkzd2BKPR8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=K70u2WfB; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="K70u2WfB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772798322; x=1804334322; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+IpBwDCkQiYgOY4mGAQapVSzapoGq9dBftoL/SfGPB8=; b=K70u2WfBRW+X62J9cF20t6e+ADR4Hc97GaCLduXr00atFawXKRyKQUSR hqggjU3ChBQ1a2S0YcdlynEoMHLHd+tjMFQXzW/TTWzgNNCnr19CCUr2Q qQ2xJE2Tr9oj9OOBYFZukEWreUbdE+6GbCze2KwTP5eMLI1SEuTtFVhdE CTJI6LWBa4w+KrZrgAZag0gBfHEV5x2IAY6z0X/DocJwYY583++XU8U8k o2XpvQJKSx2nHX0gnJ1kj7YdvH+2z8YX8fl7SlgcEVICRPXK6yusUnT/T PL10AQs2A8ZFUlCO8bt+A0k57JvaMNlWhWjad+r6iXNagFDNOpDcaLMN3 w==; X-CSE-ConnectionGUID: 7pBNAkt2ThCgXPIzndwm6A== X-CSE-MsgGUID: Fmcs/PieSFSQx6Dr9qiJkA== X-IronPort-AV: E=McAfee;i="6800,10657,11720"; a="73095938" X-IronPort-AV: E=Sophos;i="6.23,104,1770624000"; d="scan'208";a="73095938" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2026 03:58:36 -0800 X-CSE-ConnectionGUID: 6XSjYh0pQOuFZMImCF6AtQ== X-CSE-MsgGUID: NQ8TAN//QNCJEZMmnefSNA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,104,1770624000"; d="scan'208";a="218224493" Received: from lkp-server01.sh.intel.com (HELO 058beb05654c) ([10.239.97.150]) by orviesa010.jf.intel.com with ESMTP; 06 Mar 2026 03:58:34 -0800 Received: from kbuild by 058beb05654c with local (Exim 4.98.2) (envelope-from ) id 1vyTp9-000000000oL-37Wk; Fri, 06 Mar 2026 11:58:31 +0000 Date: Fri, 6 Mar 2026 19:57:46 +0800 From: kernel test robot To: Jenny Guanni Qu , bpf@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, daniel@iogearbox.net, ast@kernel.org, andrii@kernel.org, Jenny Guanni Qu Subject: Re: [PATCH v1 1/2] bpf: Fix undefined behavior in interpreter sdiv/smod for INT_MIN Message-ID: <202603061940.T1ZYupw1-lkp@intel.com> References: <20260306025600.870163-2-qguanni@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260306025600.870163-2-qguanni@gmail.com> Hi Jenny, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/net] [also build test WARNING on bpf-next/master bpf/master linus/master v7.0-rc2 next-20260305] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jenny-Guanni-Qu/bpf-Fix-undefined-behavior-in-interpreter-sdiv-smod-for-INT_MIN/20260306-110344 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net patch link: https://lore.kernel.org/r/20260306025600.870163-2-qguanni%40gmail.com patch subject: [PATCH v1 1/2] bpf: Fix undefined behavior in interpreter sdiv/smod for INT_MIN config: arc-randconfig-r072-20260306 (https://download.01.org/0day-ci/archive/20260306/202603061940.T1ZYupw1-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 8.5.0 smatch: v0.5.0-9004-gb810ac53 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603061940.T1ZYupw1-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202603061940.T1ZYupw1-lkp@intel.com/ All warnings (new ones prefixed by >>): >> Warning: kernel/bpf/core.c:1750 function parameter 'x' not described in '__safe_abs32' >> Warning: kernel/bpf/core.c:1750 expecting prototype for ___bpf_prog_run(). Prototype was for __safe_abs32() instead -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki