/usr/share/vim/addons/autoload/ctrlp/ is in vim-ctrlp 1.80-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/vim/addons/autoload/ctrlp/autoignore.vim
/usr/share/vim/addons/autoload/ctrlp/bookmarkdir.vim
/usr/share/vim/addons/autoload/ctrlp/buffertag.vim
/usr/share/vim/addons/autoload/ctrlp/changes.vim
/usr/share/vim/addons/autoload/ctrlp/dir.vim
/usr/share/vim/addons/autoload/ctrlp/line.vim
/usr/share/vim/addons/autoload/ctrlp/mixed.vim
/usr/share/vim/addons/autoload/ctrlp/mrufiles.vim
/usr/share/vim/addons/autoload/ctrlp/quickfix.vim
/usr/share/vim/addons/autoload/ctrlp/rtscript.vim
/usr/share/vim/addons/autoload/ctrlp/tag.vim
/usr/share/vim/addons/autoload/ctrlp/undo.vim
/usr/share/vim/addons/autoload/ctrlp/utils.vim