tree: git://git.infradead.org/users/hch/misc.git kernel_setsockopt head: 8f2dd59cc0181c957fef3d700867ce9d51ee167b commit: f7fa6070e761f3e00b46dac42bd9d550367e26a7 [/32] net: add sock_set_sndtimeo config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project e6658079aca6d971b4e9d7137a3a2ecbc9c34aec) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout f7fa6070e761f3e00b46dac42bd9d550367e26a7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): if (secs && secs < MAX_SCHEDULE_TIMEOUT / HZ - 1) ~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +758 net/core/sock.c 754 755 void sock_set_sndtimeo(struct sock *sk, unsigned int secs) 756 { 757 lock_sock(sk); 759 sk->sk_sndtimeo = secs * HZ; 760 else 761 sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT; 762 release_sock(sk); 763 } 764 EXPORT_SYMBOL(sock_set_sndtimeo); 765 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org