/lib/modules/3.19.0-42-generic/vdso/ is in linux-image-3.19.0-42-generic 3.19.0-42.48~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-42-generic/vdso/.build-id/
/lib/modules/3.19.0-42-generic/vdso/.build-id/3c/
/lib/modules/3.19.0-42-generic/vdso/.build-id/3c/f360cee8b8dac6a66c8aed09e750a8a3347baf.debug
/lib/modules/3.19.0-42-generic/vdso/.build-id/7f/
/lib/modules/3.19.0-42-generic/vdso/.build-id/7f/1abb403c53e1efd9a8b71337dd6809c05ff045.debug
/lib/modules/3.19.0-42-generic/vdso/.build-id/7f/893a5e13fbb2bf06014f187824fc451832f2f6.debug
/lib/modules/3.19.0-42-generic/vdso/.build-id/9a/
/lib/modules/3.19.0-42-generic/vdso/.build-id/9a/5b891ff9ba542920e9f617cc4b3e3cd50c0c69.debug
/lib/modules/3.19.0-42-generic/vdso/.build-id/ec/
/lib/modules/3.19.0-42-generic/vdso/.build-id/ec/cedb927bdfe19cd10b9477e449017c3973fbba.debug
/lib/modules/3.19.0-42-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-42-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-42-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-42-generic/vdso/vdso64.so
/lib/modules/3.19.0-42-generic/vdso/vdsox32.so