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X-CSE-ConnectionGUID: tiKh3fFbR1a638Yt2SVVUQ== X-CSE-MsgGUID: 8IMsL1bwSIywIhwZcHAaOw== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="84526258" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="84526258" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2026 07:18:25 -0700 X-CSE-ConnectionGUID: KT0+kf7sTKyGHvnbnre84w== X-CSE-MsgGUID: rdgSVN8rRiCn9TVPnBmq4w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="259425405" Received: from igk-lkp-server01.igk.intel.com (HELO e5a8ed462067) ([10.211.93.152]) by orviesa004.jf.intel.com with ESMTP; 13 Jul 2026 07:18:23 -0700 Received: from kbuild by e5a8ed462067 with local (Exim 4.98.2) (envelope-from ) id 1wjHUC-000000003kr-3hCT; Mon, 13 Jul 2026 14:18:20 +0000 Date: Mon, 13 Jul 2026 16:17:24 +0200 From: kernel test robot To: David 'equinox' Lamparter , Matthieu Baerts , Mat Martineau , Geliang Tang Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, mptcp@lists.linux.dev, David 'equinox' Lamparter Subject: Re: [PATCH net-next] mptcp: sockopt: implement IPV6_TCLASS Message-ID: <202607131605.i02odG4b-lkp@intel.com> References: <20260713080634.296011-1-equinox@diac24.net> Precedence: bulk X-Mailing-List: netdev@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: <20260713080634.296011-1-equinox@diac24.net> Hi David, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/David-equinox-Lamparter/mptcp-sockopt-implement-IPV6_TCLASS/20260713-162825 base: net-next/main patch link: https://lore.kernel.org/r/20260713080634.296011-1-equinox%40diac24.net patch subject: [PATCH net-next] mptcp: sockopt: implement IPV6_TCLASS config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260713/202607131605.i02odG4b-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260713/202607131605.i02odG4b-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/202607131605.i02odG4b-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: ipv6_setsockopt >>> referenced by sockopt.c:404 (net/mptcp/sockopt.c:404) >>> vmlinux.o:(mptcp_setsockopt) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki