/lib/modules/3.16.0-71-generic/vdso/ is in linux-image-3.16.0-71-generic 3.16.0-71.92~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-71-generic/vdso/.build-id/
/lib/modules/3.16.0-71-generic/vdso/.build-id/16/
/lib/modules/3.16.0-71-generic/vdso/.build-id/16/89eb10a2cc07311c5950c0450ea35e6ec2d996.debug
/lib/modules/3.16.0-71-generic/vdso/.build-id/18/
/lib/modules/3.16.0-71-generic/vdso/.build-id/18/6eb90b64e4a4d177b9d3a68ac519b85c550767.debug
/lib/modules/3.16.0-71-generic/vdso/.build-id/33/
/lib/modules/3.16.0-71-generic/vdso/.build-id/33/a3db90c97a02023350f83d2b1e4a5850a414d7.debug
/lib/modules/3.16.0-71-generic/vdso/.build-id/7c/
/lib/modules/3.16.0-71-generic/vdso/.build-id/7c/c563e4afadafaabfad8ec49340e9d7d6b36ca7.debug
/lib/modules/3.16.0-71-generic/vdso/.build-id/ec/
/lib/modules/3.16.0-71-generic/vdso/.build-id/ec/02f36730838c5fe40d4aa7e5c759ec599a47c3.debug
/lib/modules/3.16.0-71-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-71-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-71-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-71-generic/vdso/vdso64.so
/lib/modules/3.16.0-71-generic/vdso/vdsox32.so