/usr/share/go-1.10/src/internal/poll/ is in golang-1.10-src 1.10.1-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/go-1.10/src/internal/poll/export_posix_test.go
/usr/share/go-1.10/src/internal/poll/export_test.go
/usr/share/go-1.10/src/internal/poll/export_windows_test.go
/usr/share/go-1.10/src/internal/poll/fd.go
/usr/share/go-1.10/src/internal/poll/fd_io_plan9.go
/usr/share/go-1.10/src/internal/poll/fd_mutex.go
/usr/share/go-1.10/src/internal/poll/fd_mutex_test.go
/usr/share/go-1.10/src/internal/poll/fd_plan9.go
/usr/share/go-1.10/src/internal/poll/fd_poll_nacl.go
/usr/share/go-1.10/src/internal/poll/fd_poll_runtime.go
/usr/share/go-1.10/src/internal/poll/fd_posix.go
/usr/share/go-1.10/src/internal/poll/fd_posix_test.go
/usr/share/go-1.10/src/internal/poll/fd_unix.go
/usr/share/go-1.10/src/internal/poll/fd_windows.go
/usr/share/go-1.10/src/internal/poll/fd_windows_test.go
/usr/share/go-1.10/src/internal/poll/hook_cloexec.go
/usr/share/go-1.10/src/internal/poll/hook_unix.go
/usr/share/go-1.10/src/internal/poll/hook_windows.go
/usr/share/go-1.10/src/internal/poll/sendfile_bsd.go
/usr/share/go-1.10/src/internal/poll/sendfile_linux.go
/usr/share/go-1.10/src/internal/poll/sendfile_solaris.go
/usr/share/go-1.10/src/internal/poll/sendfile_windows.go
/usr/share/go-1.10/src/internal/poll/sock_cloexec.go
/usr/share/go-1.10/src/internal/poll/sockopt.go
/usr/share/go-1.10/src/internal/poll/sockopt_linux.go
/usr/share/go-1.10/src/internal/poll/sockopt_unix.go
/usr/share/go-1.10/src/internal/poll/sockopt_windows.go
/usr/share/go-1.10/src/internal/poll/sockoptip.go
/usr/share/go-1.10/src/internal/poll/strconv.go
/usr/share/go-1.10/src/internal/poll/sys_cloexec.go
/usr/share/go-1.10/src/internal/poll/writev.go
/usr/share/go-1.10/src/internal/poll/writev_test.go