/usr/lib/x86_64-linux-gnu/ is in libgnome2-gconf-perl 1.044-6build2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.26/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/ChangeSet.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Client.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Engine.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Entry.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/Files.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/doctypes
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/gconf.typemap
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/gconfperl-autogen.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/gconfperl-version.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/gconfperl.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Install/gconfperl.typemap
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Schema.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/Value.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/index.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/main.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf/version.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gnome2/GConf.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Gnome2/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Gnome2/GConf/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Gnome2/GConf/GConf.so