Re: [PATCH 1/3] bpf: Add BPF_F_VERIFY_ELEM to require signature verification on map values

From: kernel test robot <lkp@intel.com>
To: Roberto Sassu <roberto.sassu@huawei.com>,
	ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	kpsingh@kernel.org
Cc: kbuild-all@lists.01.org, bpf@vger.kernel.org,
	netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Roberto Sassu <roberto.sassu@huawei.com>
Subject: Re: [PATCH 1/3] bpf: Add BPF_F_VERIFY_ELEM to require signature verification on map values
Date: Thu, 26 May 2022 00:51:24 +0800	[thread overview]
Message-ID: <202205260057.t4Lmg5Gb-lkp@intel.com> (raw)
In-Reply-To: <20220525132115.896698-2-roberto.sassu@huawei.com>

Hi Roberto,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]
[also build test ERROR on bpf/master horms-ipvs/master net/master net-next/master v5.18 next-20220525]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Roberto-Sassu/bpf-Add-support-for-maps-with-authenticated-values/20220525-212552
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20220526/202205260057.t4Lmg5Gb-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/196e68e5ddfa50f40efaf20c8df37f3420e38b72
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Roberto-Sassu/bpf-Add-support-for-maps-with-authenticated-values/20220525-212552
        git checkout 196e68e5ddfa50f40efaf20c8df37f3420e38b72
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   ld: kernel/bpf/syscall.o: in function `bpf_map_verify_value_sig':
>> syscall.c:(.text+0x4ff): undefined reference to `mod_check_sig'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp