/lib/modules/3.16.0-29-generic/vdso/ is in linux-image-3.16.0-29-generic 3.16.0-29.39~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-29-generic/vdso/.build-id/
/lib/modules/3.16.0-29-generic/vdso/.build-id/65/
/lib/modules/3.16.0-29-generic/vdso/.build-id/65/eee081b29a14d7514facb90724187974272ab8.debug
/lib/modules/3.16.0-29-generic/vdso/.build-id/83/
/lib/modules/3.16.0-29-generic/vdso/.build-id/83/d8ff0c596232d17ade7ac14796a78d3e92228d.debug
/lib/modules/3.16.0-29-generic/vdso/.build-id/8e/
/lib/modules/3.16.0-29-generic/vdso/.build-id/8e/0551cf7534cf75bd0fd2f02684fd22fad731b0.debug
/lib/modules/3.16.0-29-generic/vdso/.build-id/c8/
/lib/modules/3.16.0-29-generic/vdso/.build-id/c8/ba9f3ba421cfbae75f7e57f357b1b5431de838.debug
/lib/modules/3.16.0-29-generic/vdso/.build-id/da/
/lib/modules/3.16.0-29-generic/vdso/.build-id/da/c05ef1dc3ff2e7544c18ba6450ee6e2148dfa5.debug
/lib/modules/3.16.0-29-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-29-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-29-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-29-generic/vdso/vdso64.so
/lib/modules/3.16.0-29-generic/vdso/vdsox32.so