/usr/lib/x86_64-linux-gnu/ is in libterm-readline-gnu-perl 1.28-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.22/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Term/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Term/ReadLine/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Term/ReadLine/Gnu/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Term/ReadLine/Gnu/XS/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Term/ReadLine/Gnu/XS/autosplit.ix
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Term/ReadLine/Gnu/Gnu.so
/usr/lib/x86_64-linux-gnu/perl5/5.22/Term/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Term/ReadLine/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Term/ReadLine/Gnu.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Term/ReadLine/Gnu/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Term/ReadLine/Gnu/XS.pm