From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 12A0D1E25ED for ; Wed, 6 Aug 2025 20:29:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754512160; cv=none; b=HjEhTTgJxFy5q/qazC+zQh9EWEDZ0eE4IGgvCSMiH506AGUXAWqMgUSboDjSlDqE5S7p8Uhw5W8mZR0KyszJ32Sjz2AgwtR4zH7M9DLjJyF1PCh5KWcbprBG2BITIDiyeTaLCc5u2AdhL5CTLAnp38nFo3XRmYgBaE0Kdctn0qs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754512160; c=relaxed/simple; bh=LUUYjmMtw+FyXq16C/NjmvalMIiu6tu25CS1fCfwgRw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a8ftpflM0dasyPru/leHm8HoTAbq5+3Lxfp+BsSdYGibqxCbhvmtAyyS7Wx4AJ23rFBVRqutmXr0Z/zFPgwWebAC+Q+Td6Gu7BjzoaIdffxh8V13wd4RezJ3XhWkWNcZ8CzBTKbrzSrbDAsHGAaDu5Q1Z+804d8lPvZpAxOLA70= 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=kgYaIffo; arc=none smtp.client-ip=192.198.163.15 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="kgYaIffo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754512159; x=1786048159; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=LUUYjmMtw+FyXq16C/NjmvalMIiu6tu25CS1fCfwgRw=; b=kgYaIffojHKoFLAh9Fot5bEWdnvezumquE5X/E5xgyrNBry3Lc7LziUJ ubpf5MKkGXQpEnUQ2AsTGROyLmAgF0bgxRmNT1Sn9zo3MIdFOtxjpl+fL 4CBu6NgmZbVp+4n8QD83pmea2HT1B8RWpP4bOLjDskRCH6gPtN/we9p5i 9m53TLBjrr4MOWGsLi3ij8pckc84889/VmvOjXonm1Dx3HuzbS5cfUKRF QibCS1oGH/+W08jlu2CYEQwLA5nKJsCmEsaXcBbD1/aNnpdPAAOjF1mnL oqH7f09cRZBKjbWO0/gVK9WqgBCI3rAOzPwhDhCA4Heey1YvuobXjOS3c A==; X-CSE-ConnectionGUID: 9II7jve1TuK9SY+0q9Y6Yg== X-CSE-MsgGUID: CDoNdwCxSkydel8AV6tW5w== X-IronPort-AV: E=McAfee;i="6800,10657,11514"; a="56975218" X-IronPort-AV: E=Sophos;i="6.17,271,1747724400"; d="scan'208";a="56975218" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2025 13:29:19 -0700 X-CSE-ConnectionGUID: qCiSHFCEQRKu989NXrFLcQ== X-CSE-MsgGUID: I8vzutjXQBiXQB8rHJvZnA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,271,1747724400"; d="scan'208";a="165205710" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by orviesa008.jf.intel.com with ESMTP; 06 Aug 2025 13:29:16 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1ujkkz-000244-0z; Wed, 06 Aug 2025 20:29:08 +0000 Date: Thu, 7 Aug 2025 04:28:28 +0800 From: kernel test robot To: Wake Liu , Andy Lutomirski , Thomas Gleixner , Vincenzo Frascino Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, wakel@google.com Subject: Re: [PATCH] vdso: Define NSEC_PER_SEC as 64-bit to prevent overflow Message-ID: <202508070443.SWaWZTdB-lkp@intel.com> References: <20250805162153.952693-1-wakel@google.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250805162153.952693-1-wakel@google.com> Hi Wake, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/timers/vdso] [also build test WARNING on linus/master v6.16 next-20250806] [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/Wake-Liu/vdso-Define-NSEC_PER_SEC-as-64-bit-to-prevent-overflow/20250806-125650 base: tip/timers/vdso patch link: https://lore.kernel.org/r/20250805162153.952693-1-wakel%40google.com patch subject: [PATCH] vdso: Define NSEC_PER_SEC as 64-bit to prevent overflow config: powerpc-randconfig-002-20250807 (https://download.01.org/0day-ci/archive/20250807/202508070443.SWaWZTdB-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250807/202508070443.SWaWZTdB-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/202508070443.SWaWZTdB-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/powerpc/xmon/xmon.c: In function 'show_uptime': >> arch/powerpc/xmon/xmon.c:1008:27: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'long long int' [-Wformat=] 1008 | printf("Uptime: %lu.%.2lu seconds\n", (unsigned long)uptime.tv_sec, | ~~~~^ | | | long unsigned int | %.2llu 1009 | ((unsigned long)uptime.tv_nsec / (NSEC_PER_SEC/100))); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | long long int vim +1008 arch/powerpc/xmon/xmon.c ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 996 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 997 /* Based on uptime_proc_show(). */ 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 998 static void 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 999 show_uptime(void) 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1000 { f6bd74fa084eb9 arch/powerpc/xmon/xmon.c Arnd Bergmann 2018-06-18 1001 struct timespec64 uptime; 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1002 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1003 if (setjmp(bus_error_jmp) == 0) { 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1004 catch_memory_errors = 1; 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1005 sync(); 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1006 f6bd74fa084eb9 arch/powerpc/xmon/xmon.c Arnd Bergmann 2018-06-18 1007 ktime_get_coarse_boottime_ts64(&uptime); 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 @1008 printf("Uptime: %lu.%.2lu seconds\n", (unsigned long)uptime.tv_sec, 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1009 ((unsigned long)uptime.tv_nsec / (NSEC_PER_SEC/100))); 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1010 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1011 sync(); 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1012 __delay(200); \ 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1013 } 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1014 catch_memory_errors = 0; 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1015 } 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1016 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki