tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211123-sysctl-cleanups head: c18add41d859b4feec081eab6cfd624a5642973d commit: aa450826c557300623f8e3f1ff398b306a7551e9 [21/41] fs: move binfmt_misc sysctl to its own file config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20211125/202111250803.RotVySMo-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/com... git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git git fetch --no-tags mcgrof-next 20211123-sysctl-cleanups git checkout aa450826c557300623f8e3f1ff398b306a7551e9 # save the config file to linux build tree make W=1 ARCH=um SUBARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org