/lib/modules/4.2.0-18-generic/vdso/ is in linux-image-4.2.0-18-generic 4.2.0-18.22~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/4.2.0-18-generic/vdso/.build-id/
/lib/modules/4.2.0-18-generic/vdso/.build-id/4f/
/lib/modules/4.2.0-18-generic/vdso/.build-id/4f/9dfc3e65c705d1b09371fbaa4f02f97ef3a2bd.debug
/lib/modules/4.2.0-18-generic/vdso/.build-id/7c/
/lib/modules/4.2.0-18-generic/vdso/.build-id/7c/d2be0a8ca3047f76d458515d39e32ddcdf0b3b.debug
/lib/modules/4.2.0-18-generic/vdso/.build-id/aa/
/lib/modules/4.2.0-18-generic/vdso/.build-id/aa/6d22cb7a9e5541e43a21c21d7bab1e56ce9c0b.debug
/lib/modules/4.2.0-18-generic/vdso/.build-id/b3/
/lib/modules/4.2.0-18-generic/vdso/.build-id/b3/431646ee6049f5cd378fee5b75fc7fc3e1d49d.debug
/lib/modules/4.2.0-18-generic/vdso/.build-id/ea/
/lib/modules/4.2.0-18-generic/vdso/.build-id/ea/46e8368bfd314b723ec93fc98f827c009a4cf9.debug
/lib/modules/4.2.0-18-generic/vdso/vdso32-int80.so
/lib/modules/4.2.0-18-generic/vdso/vdso32-syscall.so
/lib/modules/4.2.0-18-generic/vdso/vdso32-sysenter.so
/lib/modules/4.2.0-18-generic/vdso/vdso64.so
/lib/modules/4.2.0-18-generic/vdso/vdsox32.so