/usr/lib/perl5/auto/gv/gv.so is in libgv-perl 2.26.3-10ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/perl5/auto/gv/libgv_perl.so
/usr/lib/perl5/auto/gv/libgv_perl.so