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

[kernel test robot]

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@xxxxxxxxx/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@xxxxxxxxx>

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'

-- 
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