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X-CSE-ConnectionGUID: opMJEs1HSBmUm3T0BodtEQ== X-CSE-MsgGUID: 3Iu0OwQyQe6bAA1I/B/H9g== X-IronPort-AV: E=McAfee;i="6700,10204,11309"; a="47991202" X-IronPort-AV: E=Sophos;i="6.12,299,1728975600"; d="scan'208";a="47991202" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2025 17:14:19 -0800 X-CSE-ConnectionGUID: m/4T04jgRaie/8eMj3mGQQ== X-CSE-MsgGUID: Y5vsaKkuSHWSBHm7JxpFvA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,299,1728975600"; d="scan'208";a="103217659" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 08 Jan 2025 17:14:16 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tVh7m-000Gsp-1I; Thu, 09 Jan 2025 01:14:14 +0000 Date: Thu, 9 Jan 2025 09:13:39 +0800 From: kernel test robot To: Jordan Rome , bpf@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-mm@kvack.org, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Kernel Team , Andrew Morton , Shakeel Butt Subject: Re: [bpf-next v2 1/2] bpf: Add bpf_copy_from_user_task_str kfunc Message-ID: <202501090817.0Uikg2ka-lkp@intel.com> References: <20250107020632.170883-1-linux@jordanrome.com> Precedence: bulk X-Mailing-List: bpf@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: <20250107020632.170883-1-linux@jordanrome.com> Hi Jordan, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Jordan-Rome/selftests-bpf-Add-tests-for-bpf_copy_from_user_task_str/20250107-100850 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20250107020632.170883-1-linux%40jordanrome.com patch subject: [bpf-next v2 1/2] bpf: Add bpf_copy_from_user_task_str kfunc config: arm-imxrt_defconfig (https://download.01.org/0day-ci/archive/20250109/202501090817.0Uikg2ka-lkp@intel.com/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250109/202501090817.0Uikg2ka-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/202501090817.0Uikg2ka-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: copy_str_from_process_vm >>> referenced by helpers.c >>> kernel/bpf/helpers.o:(bpf_copy_from_user_task_str) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki