/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/ is in mate-themes 1.9.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/exit.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gnome-logout.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gnome-run.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gnome-searchtool.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gnome-session-logout.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gnome-shutdown.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/go-home.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gohome.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gtk-execute.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gtk-home.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gtk-media-pause.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/gtk-refresh.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/insert-image.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/insert-text.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/kfind.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/kfm_home.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/mail-send-receive.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/media-playback-pause.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/player_pause.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/redhat-home.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/reload.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/reload3.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/reload_all_tabs.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/reload_page.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/search.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/stock_home.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/stock_mail-send-receive.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/stock_media-pause.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/stock_new-tab.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/stock_refresh.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/system-log-out.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/system-run.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/system-search.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/system-shutdown.png
/usr/share/icons/ContrastHighLargePrintInverse/48x48/actions/view-refresh.png