/usr/lib/x86_64-linux-gnu/perl5/5.26/ is in libgtk2-sourceview2-perl 0.10-2build4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Buffer.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Install/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Install/Files.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Install/gtk2-sourceview2-autogen.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Install/gtk2-sourceview2-perl.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Install/gtk2-sourceview2.typemap
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Iter.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Language.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/LanguageManager.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Mark.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/PrintCompositor.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/Style.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/StyleScheme.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/StyleSchemeManager.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/View.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/Gtk2/SourceView2/index.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Gtk2/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Gtk2/SourceView2/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Gtk2/SourceView2/SourceView2.so