/usr/ is in cl-sql-uffi 6.7.0-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/clsql/
/usr/lib/clsql/clsql_uffi64.so
/usr/share/
/usr/share/common-lisp/
/usr/share/common-lisp/source/
/usr/share/common-lisp/source/clsql-uffi/
/usr/share/common-lisp/source/clsql-uffi/clsql-uffi.asd
/usr/share/common-lisp/source/clsql-uffi/uffi/
/usr/share/common-lisp/source/clsql-uffi/uffi/clsql-uffi-loader.lisp
/usr/share/common-lisp/source/clsql-uffi/uffi/clsql-uffi-package.lisp
/usr/share/common-lisp/source/clsql-uffi/uffi/clsql-uffi.lisp
/usr/share/common-lisp/source/clsql-uffi/uffi/clsql_uffi.c
/usr/share/common-lisp/source/clsql-uffi/uffi/ptrbits.c
/usr/share/doc/
/usr/share/doc/cl-sql-uffi/
/usr/share/doc/cl-sql-uffi/changelog.Debian.gz
/usr/share/doc/cl-sql-uffi/copyright