/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/ is in linux-kvm-headers-4.4.0-1031 4.4.0-1031.37.
This file is owned by root:root, with mode 0o755.
..
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/Kconfig
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/hvc/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/hvc/Kconfig
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/hvc/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/ipwireless/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/ipwireless/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/8250/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/8250/Kconfig
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/8250/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/Kconfig
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/cpm_uart/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/cpm_uart/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/jsm/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/serial/jsm/Makefile
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/vt/
/usr/src/linux-kvm-headers-4.4.0-1031/drivers/tty/vt/Makefile