https://www.midnight-commander.org/ticket/2784
https://www.midnight-commander.org/changeset/ac880c71a74c1fc75d7162b2ca3613970479e663

--- mc-4.8.3/src/filemanager/chown.c
+++ mc-4.8.3/src/filemanager/chown.c
@@ -378,7 +378,7 @@
                     if (mc_chown (fname_vpath, new_user, new_group) == -1)
                         message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
                                  fname, unix_error_string (errno));
-                    vfs_path_free (vpath);
+                    vfs_path_free (fname_vpath);
                 }
                 else
                     apply_chowns (new_user, new_group);