From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ferruh.yigit@intel.com> Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 4B5271B4FA; Wed, 20 Jun 2018 18:40:51 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jun 2018 09:40:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,248,1526367600"; d="scan'208";a="238839000" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.42]) ([10.237.221.42]) by fmsmga005.fm.intel.com with ESMTP; 20 Jun 2018 09:40:47 -0700 To: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com> Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org> References: <20180619120855.78207-1-ferruh.yigit@intel.com> <E115CCD9D858EF4F90C690B0DCB4D8977F8D8C3B@IRSMSX108.ger.corp.intel.com> From: Ferruh Yigit <ferruh.yigit@intel.com> Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <E115CCD9D858EF4F90C690B0DCB4D8977F8D8C3B@IRSMSX108.ger.corp.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-stable] [PATCH] kni: fix build with gcc 8.1 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches <stable.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/stable>, <mailto:stable-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/stable/> List-Post: <mailto:stable@dpdk.org> List-Help: <mailto:stable-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/stable>, <mailto:stable-request@dpdk.org?subject=subscribe> X-List-Received-Date: Wed, 20 Jun 2018 16:40:52 -0000 On 6/20/2018 10:01 AM, De Lara Guarch, Pablo wrote: > > >> -----Original Message----- >> From: stable [mailto:stable-bounces@dpdk.org] On Behalf Of Ferruh Yigit >> Sent: Tuesday, June 19, 2018 1:09 PM >> To: Yigit, Ferruh <ferruh.yigit@intel.com> >> Cc: dev@dpdk.org; stable@dpdk.org >> Subject: [dpdk-stable] [PATCH] kni: fix build with gcc 8.1 >> >> Error observed when CONFIG_RTE_KNI_KMOD_ETHTOOL config option is >> enabled. >> >> build error: >> In function ‘strncpy’, >> inlined from ‘igb_get_drvinfo’ at >> .../dpdk/build/build/kernel/linux/kni/igb_ethtool.c:814:2: >> .../include/linux/string.h:246:9: error: ‘__builtin_strncpy’ output >> may be truncated copying 31 bytes from a string of length 42 >> [-Werror=stringop-truncation] >> return __builtin_strncpy(p, q, size); >> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> >> Fixed by reducing the adapter->fw_version size and adjusting strncpy limit size. >> >> Cc: stable@dpdk.org >> > > Fixes line? I will add. > >> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com> > > ... > >> --- a/kernel/linux/kni/ethtool/igb/igb_ethtool.c >> +++ b/kernel/linux/kni/ethtool/igb/igb_ethtool.c >> @@ -812,7 +812,7 @@ static void igb_get_drvinfo(struct net_device *netdev, >> strncpy(drvinfo->version, igb_driver_version, sizeof(drvinfo->version) - >> 1); >> >> strncpy(drvinfo->fw_version, adapter->fw_version, >> - sizeof(drvinfo->fw_version) - 1); >> + sizeof(drvinfo->fw_version)); >> strncpy(drvinfo->bus_info, pci_name(adapter->pdev), sizeof(drvinfo- >>> bus_info) -1); > > This patch fixes the compilation issue, but should we use strlcpy instead of strncpy? > > Thanks, > Pablo >