/lib/modules/3.16.0-77-generic/vdso/ is in linux-image-3.16.0-77-generic 3.16.0-77.99~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-77-generic/vdso/.build-id/
/lib/modules/3.16.0-77-generic/vdso/.build-id/10/
/lib/modules/3.16.0-77-generic/vdso/.build-id/10/fdc2cc347833080663d96babe4f31db7366532.debug
/lib/modules/3.16.0-77-generic/vdso/.build-id/3b/
/lib/modules/3.16.0-77-generic/vdso/.build-id/3b/a4e85845141760b63e6aa4f619b58693d45979.debug
/lib/modules/3.16.0-77-generic/vdso/.build-id/47/
/lib/modules/3.16.0-77-generic/vdso/.build-id/47/380d65a821b52c646d3f2375f9099dbc92971a.debug
/lib/modules/3.16.0-77-generic/vdso/.build-id/52/
/lib/modules/3.16.0-77-generic/vdso/.build-id/52/7bdef5e68a489d6093db5100150dca114ed15f.debug
/lib/modules/3.16.0-77-generic/vdso/.build-id/86/
/lib/modules/3.16.0-77-generic/vdso/.build-id/86/9c17e4b586d593219924f8b880efb57d937121.debug
/lib/modules/3.16.0-77-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-77-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-77-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-77-generic/vdso/vdso64.so
/lib/modules/3.16.0-77-generic/vdso/vdsox32.so