From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (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 F3CFE33D6 for ; Wed, 1 Jun 2022 22:02:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654120948; x=1685656948; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=3z/j317NlI3xcyDNldMXZQ5CSLJfGKteu9YPUIwxMaU=; b=WbOvjzLqdphBz/xkKW8aPHCmyLWHTtVrWySyFp60r4clcZ4NN0/dWRKq 6t6m2VqElTsiE3M78eUs78irSChUDnzsLiMmn+mhy29Z41fd4Ae8FjX8I 75AqhENfp2d32PcukbmAkCfv1elkgiSMBUvYTTwh0S9LaaciDmNJTMch0 bA/3QNR9XBJ3TFYaIEAQ+BJGwHyknrSBX52+1vwZh/Zb8C/OKzdGHLxrE ECbn6dkswXfsL03vHo8MkljHxItMcpgTflKa+TrDTTh5AJWfIscT1OHBR Pjp/G22pYTf38qMWnT0flcGzwg/GSN1/2W4DLL+6qZhYsXJm9THSP3MYV A==; X-IronPort-AV: E=McAfee;i="6400,9594,10365"; a="275470141" X-IronPort-AV: E=Sophos;i="5.91,269,1647327600"; d="scan'208";a="275470141" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2022 15:02:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,269,1647327600"; d="scan'208";a="581789970" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by fmsmga007.fm.intel.com with ESMTP; 01 Jun 2022 15:02:24 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nwWQ4-0004SW-4C; Wed, 01 Jun 2022 22:02:24 +0000 Date: Thu, 2 Jun 2022 06:01:41 +0800 From: kernel test robot To: Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, netdev , Willem de Bruijn , Eric Dumazet Subject: Re: [PATCH net 1/2] net: add debug info to __skb_pull() Message-ID: <202206020557.QyvlGs0H-lkp@intel.com> References: <20220531185933.1086667-2-eric.dumazet@gmail.com> Precedence: bulk X-Mailing-List: llvm@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: <20220531185933.1086667-2-eric.dumazet@gmail.com> Hi Eric, I love your patch! Yet something to improve: [auto build test ERROR on net/master] url: https://github.com/intel-lab-lkp/linux/commits/Eric-Dumazet/net-af_packet-be-careful-when-expanding-mac-header-size/20220601-030146 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 09e545f7381459c015b6fa0cd0ac6f010ef8cc25 config: hexagon-randconfig-r002-20220531 (https://download.01.org/0day-ci/archive/20220602/202206020557.QyvlGs0H-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/a907c048e7699133feedaa06948c15c719a59f94 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Eric-Dumazet/net-af_packet-be-careful-when-expanding-mac-header-size/20220601-030146 git checkout a907c048e7699133feedaa06948c15c719a59f94 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: skb_dump >>> referenced by cgroup.c >>> bpf/cgroup.o:(__cgroup_bpf_run_filter_skb) in archive kernel/built-in.a >>> referenced by cgroup.c >>> bpf/cgroup.o:(__cgroup_bpf_run_filter_skb) in archive kernel/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp