tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git asm-generic-uaccess-6 head: 725a40b8ebf55a6b95e11a6b35717a99afc8ac98 commit: 8ea805cb5e3294c8890c4781f82c03d6cc417bf5 [6/10] microblaze: use generic strncpy/strnlen from_user config: microblaze-mmu_defconfig (attached as .config) compiler: microblaze-linux-gcc (GCC) 10.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/commit/?id=8ea805cb5e3294c8890c4781f82c03d6cc417bf5 git remote add asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git git fetch --no-tags asm-generic asm-generic-uaccess-6 git checkout 8ea805cb5e3294c8890c4781f82c03d6cc417bf5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "__copy_tofrom_user" [net/bridge/bridge.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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