/usr/share/lintian/overrides/libselinux1 is in libselinux1 2.1.0-4.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | libselinux1: non-standard-toplevel-dir selinux/
libselinux1: package-contains-empty-directory selinux/
|