From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="EmcHXCHQ" Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 361271A4; Tue, 5 Dec 2023 22:30:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701844232; x=1733380232; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=PHvL8DySQS64lFK/MNrATOz4ftqzzReR7jKUSx0+q9A=; b=EmcHXCHQYDyeF5K1Ozksr7FHYcDDEikWcIEU1YGHAR/8l0umeaFPU2g/ CwYUlvUrFUiDnGOMW8LGIunxz5lYzqXnouma9cQqt/7t3hyoheZmvnYqZ 1WzU7wvn1V9pSAzv40KyhDQrWOhKc5bxphtCrLIQfjoJeCszTCShq5+zY zCWeguGCqo3khaWIh5Fqm5tvWymf4XEYsxUKfr4Dv2yYiTrtQbxZmYGOT ur43q2HjMJBKBNtM/bBMdcAVxLEfjNLFcabuV2i7D8rlQ0nIRvsFCXTWF VQSiCrrxnARRQaoq0M2v8WkZiDvbVRbrLjlzWxbpJ78Az46YZYEu2m8AE g==; X-IronPort-AV: E=McAfee;i="6600,9927,10915"; a="15564101" X-IronPort-AV: E=Sophos;i="6.04,254,1695711600"; d="scan'208";a="15564101" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2023 22:30:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10915"; a="944537706" X-IronPort-AV: E=Sophos;i="6.04,254,1695711600"; d="scan'208";a="944537706" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga005.jf.intel.com with ESMTP; 05 Dec 2023 22:30:28 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rAlQJ-000AOQ-0m; Wed, 06 Dec 2023 06:30:20 +0000 Date: Wed, 6 Dec 2023 14:29:39 +0800 From: kernel test robot To: Hugo Villeneuve , gregkh@linuxfoundation.org, jirislaby@kernel.org, hvilleneuve@dimonoff.com Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, hugo@hugovil.com, stable@vger.kernel.org, Andy Shevchenko Subject: Re: [PATCH 1/7] serial: sc16is7xx: fix snprintf format specifier in sc16is7xx_regmap_name() Message-ID: <202312061443.Cknef7Uq-lkp@intel.com> References: <20231130191050.3165862-2-hugo@hugovil.com> Precedence: bulk X-Mailing-List: linux-serial@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: <20231130191050.3165862-2-hugo@hugovil.com> Hi Hugo, kernel test robot noticed the following build warnings: [auto build test WARNING on d804987153e7bedf503f8e4ba649afe52cfd7f6d] url: https://github.com/intel-lab-lkp/linux/commits/Hugo-Villeneuve/serial-sc16is7xx-fix-snprintf-format-specifier-in-sc16is7xx_regmap_name/20231201-031413 base: d804987153e7bedf503f8e4ba649afe52cfd7f6d patch link: https://lore.kernel.org/r/20231130191050.3165862-2-hugo%40hugovil.com patch subject: [PATCH 1/7] serial: sc16is7xx: fix snprintf format specifier in sc16is7xx_regmap_name() config: x86_64-buildonly-randconfig-001-20231201 (https://download.01.org/0day-ci/archive/20231206/202312061443.Cknef7Uq-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061443.Cknef7Uq-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/202312061443.Cknef7Uq-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/tty/serial/sc16is7xx.c: In function 'sc16is7xx_i2c_probe': >> drivers/tty/serial/sc16is7xx.c:1703:41: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=] 1703 | snprintf(buf, sizeof(buf), "port%u", port_id); | ^~ In function 'sc16is7xx_regmap_name', inlined from 'sc16is7xx_i2c_probe' at drivers/tty/serial/sc16is7xx.c:1805:17: drivers/tty/serial/sc16is7xx.c:1703:36: note: directive argument in the range [0, 4294967294] 1703 | snprintf(buf, sizeof(buf), "port%u", port_id); | ^~~~~~~~ drivers/tty/serial/sc16is7xx.c:1703:9: note: 'snprintf' output between 6 and 15 bytes into a destination of size 6 1703 | snprintf(buf, sizeof(buf), "port%u", port_id); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +1703 drivers/tty/serial/sc16is7xx.c 1698 1699 static const char *sc16is7xx_regmap_name(unsigned int port_id) 1700 { 1701 static char buf[6]; 1702 > 1703 snprintf(buf, sizeof(buf), "port%u", port_id); 1704 1705 return buf; 1706 } 1707 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki