/lib/modules/3.19.0-30-generic/vdso/ is in linux-image-3.19.0-30-generic 3.19.0-30.34~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-30-generic/vdso/.build-id/
/lib/modules/3.19.0-30-generic/vdso/.build-id/17/
/lib/modules/3.19.0-30-generic/vdso/.build-id/17/bb741e68c4d7663a5f9a554aa5d68c10391b38.debug
/lib/modules/3.19.0-30-generic/vdso/.build-id/7e/
/lib/modules/3.19.0-30-generic/vdso/.build-id/7e/48868c0e8e43bc88bd3c44e6141236e17fb9e0.debug
/lib/modules/3.19.0-30-generic/vdso/.build-id/86/
/lib/modules/3.19.0-30-generic/vdso/.build-id/86/59a190ba5d3bbb177b6fca14fca550a5b97fef.debug
/lib/modules/3.19.0-30-generic/vdso/.build-id/a2/
/lib/modules/3.19.0-30-generic/vdso/.build-id/a2/700c26f0dbd2f1541b20f34ca4b2c44d76542d.debug
/lib/modules/3.19.0-30-generic/vdso/.build-id/fd/
/lib/modules/3.19.0-30-generic/vdso/.build-id/fd/cca1f66994cbad833948413353dbb8cd9265ce.debug
/lib/modules/3.19.0-30-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-30-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-30-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-30-generic/vdso/vdso64.so
/lib/modules/3.19.0-30-generic/vdso/vdsox32.so