/lib/modules/3.16.0-38-generic/vdso/ is in linux-image-3.16.0-38-generic 3.16.0-38.52~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-38-generic/vdso/.build-id/
/lib/modules/3.16.0-38-generic/vdso/.build-id/48/
/lib/modules/3.16.0-38-generic/vdso/.build-id/48/1749962efdc2c52f52cc8348e7f02f737e8331.debug
/lib/modules/3.16.0-38-generic/vdso/.build-id/86/
/lib/modules/3.16.0-38-generic/vdso/.build-id/86/9058b870faeac1aa5a2a258b618a171a26bffa.debug
/lib/modules/3.16.0-38-generic/vdso/.build-id/9e/
/lib/modules/3.16.0-38-generic/vdso/.build-id/9e/ecd76001bae5366a65b13065f5bf988c2a52db.debug
/lib/modules/3.16.0-38-generic/vdso/.build-id/aa/
/lib/modules/3.16.0-38-generic/vdso/.build-id/aa/baabd162d33b3ccc2df994bec11153f1d84d13.debug
/lib/modules/3.16.0-38-generic/vdso/.build-id/ef/
/lib/modules/3.16.0-38-generic/vdso/.build-id/ef/a4172e98fe6c90166bc69e025ff58d9e646cc1.debug
/lib/modules/3.16.0-38-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-38-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-38-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-38-generic/vdso/vdso64.so
/lib/modules/3.16.0-38-generic/vdso/vdsox32.so