/lib/modules/3.16.0-49-generic/vdso/ is in linux-image-3.16.0-49-generic 3.16.0-49.65~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-49-generic/vdso/.build-id/
/lib/modules/3.16.0-49-generic/vdso/.build-id/18/
/lib/modules/3.16.0-49-generic/vdso/.build-id/18/2069de8ae56791e27da8e7ded7e9d347b2ac52.debug
/lib/modules/3.16.0-49-generic/vdso/.build-id/21/
/lib/modules/3.16.0-49-generic/vdso/.build-id/21/d6e20540c1f4cd8a57184404179acb2d33520f.debug
/lib/modules/3.16.0-49-generic/vdso/.build-id/6c/
/lib/modules/3.16.0-49-generic/vdso/.build-id/6c/079f8ccadacd84bfee512ca96b6c1a7601db33.debug
/lib/modules/3.16.0-49-generic/vdso/.build-id/e3/
/lib/modules/3.16.0-49-generic/vdso/.build-id/e3/390dad8eacb843ec7091320f9dece037b06237.debug
/lib/modules/3.16.0-49-generic/vdso/.build-id/e6/
/lib/modules/3.16.0-49-generic/vdso/.build-id/e6/e15e0cdaf8623d84ecb21619ea6347c0ba8310.debug
/lib/modules/3.16.0-49-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-49-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-49-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-49-generic/vdso/vdso64.so
/lib/modules/3.16.0-49-generic/vdso/vdsox32.so