/lib/modules/3.16.0-73-generic/vdso/ is in linux-image-3.16.0-73-generic 3.16.0-73.95~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-73-generic/vdso/.build-id/
/lib/modules/3.16.0-73-generic/vdso/.build-id/16/
/lib/modules/3.16.0-73-generic/vdso/.build-id/16/a0a1dbe441da042235d0fc24f0160eaefe0c51.debug
/lib/modules/3.16.0-73-generic/vdso/.build-id/29/
/lib/modules/3.16.0-73-generic/vdso/.build-id/29/66fc525a51c675d0e6a27795536a80264ed7ea.debug
/lib/modules/3.16.0-73-generic/vdso/.build-id/8b/
/lib/modules/3.16.0-73-generic/vdso/.build-id/8b/21ce96f60dbb49e87c08fd7e827b7b6446ec13.debug
/lib/modules/3.16.0-73-generic/vdso/.build-id/95/
/lib/modules/3.16.0-73-generic/vdso/.build-id/95/517f8b4a60a6a1d550323cf58eaf311305c094.debug
/lib/modules/3.16.0-73-generic/vdso/.build-id/ba/
/lib/modules/3.16.0-73-generic/vdso/.build-id/ba/04266d90ac2204d8a840ef171b808fbab73502.debug
/lib/modules/3.16.0-73-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-73-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-73-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-73-generic/vdso/vdso64.so
/lib/modules/3.16.0-73-generic/vdso/vdsox32.so