On Thu, Jul 22, 2021 at 2:43 PM kernel test robot [off-list ref] 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':

quoted

quoted

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