Hi Nikolay, url: https://github.com/0day-ci/linux/commits/Nikolay-Aleksandrov/net-bridge-m... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git b769cf44ed55f4b277b89cf53df6092f0c9082d0 config: x86_64-randconfig-m001-20210814 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; smatch warnings: net/bridge/br_multicast.c:2931 br_multicast_querier_state_size() warn: sizeof(NUMBER)? vim +2931 net/bridge/br_multicast.c 384d7e0455593b Nikolay Aleksandrov 2021-08-13 2929 size_t br_multicast_querier_state_size(void) 384d7e0455593b Nikolay Aleksandrov 2021-08-13 2930 { 384d7e0455593b Nikolay Aleksandrov 2021-08-13 @2931 return nla_total_size(sizeof(0)) + /* nest attribute */ ^^^^^^^^^ This looks like it's probably intentional, but wouldn't it be more readable to say sizeof(int) as it does below? 384d7e0455593b Nikolay Aleksandrov 2021-08-13 2932 nla_total_size(sizeof(__be32)) + /* BRIDGE_QUERIER_IP_ADDRESS */ 384d7e0455593b Nikolay Aleksandrov 2021-08-13 2933 nla_total_size(sizeof(int)) + /* BRIDGE_QUERIER_IP_PORT */ 384d7e0455593b Nikolay Aleksandrov 2021-08-13 2934 nla_total_size_64bit(sizeof(u64)); /* BRIDGE_QUERIER_IP_OTHER_TIMER */ 384d7e0455593b Nikolay Aleksandrov 2021-08-13 2935 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org