Re: [PATCH bpf-next 3/6] bpf: switch BPF verifier log to be a rotating log by default

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Hi Andrii,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Andrii-Nakryiko/bpf-split-off-basic-BPF-verifier-log-into-separate-file/20230317-023431
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20230316183013.2882810-4-andrii%40kernel.org
patch subject: [PATCH bpf-next 3/6] bpf: switch BPF verifier log to be a rotating log by default
config: m68k-buildonly-randconfig-r001-20230312 (https://download.01.org/0day-ci/archive/20230317/202303171434.ljQyQS6z-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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/f2876fe2427e5bdfbbb27980025b969c93f46c4b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Andrii-Nakryiko/bpf-split-off-basic-BPF-verifier-log-into-separate-file/20230317-023431
        git checkout f2876fe2427e5bdfbbb27980025b969c93f46c4b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303171434.ljQyQS6z-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   m68k-linux-ld: section .rodata VMA [0000000000001000,00000000004e5d2f] overlaps section .text VMA [0000000000000400,0000000000628bcf]
   m68k-linux-ld: m68k-linux-ld: DWARF error: could not find abbrev number 119
   kernel/bpf/log.o: in function `bpf_verifier_vlog':
>> log.c:(.text+0x2fe): undefined reference to `__umoddi3'
>> m68k-linux-ld: log.c:(.text+0x332): undefined reference to `__umoddi3'
   m68k-linux-ld: kernel/bpf/log.o: in function `bpf_vlog_finalize':
   log.c:(.text+0x570): undefined reference to `__umoddi3'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests



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