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

kernel test robot
2023-03-17T07:00:11Z

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@intel.com/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@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303171434.ljQyQS6z-lkp@intel.com/

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