On Thu, Jul 22, 2021 at 2:43 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > In file included from arch/um/include/asm/uaccess.h:39, > from include/linux/uaccess.h:11, > from include/linux/sched/task.h:11, > from include/linux/sched/signal.h:9, > from include/linux/rcuwait.h:6, > from include/linux/percpu-rwsem.h:7, > from include/linux/fs.h:33, > from include/linux/highmem.h:5, > from arch/um/kernel/skas/uaccess.c:7: > arch/um/kernel/skas/uaccess.c: In function 'strnlen_user': > >> arch/um/kernel/skas/uaccess.c:246:17: error: 'src' undeclared (first use in this function) > 246 | if (!access_ok(src, 1)) > | ^~~ Thanks for the report, fixed now. Arnd