commit https://github.com/vim/vim/commit/c4bfedabe057c05f09a455a5851089e177fa9c00 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 14 21:42:00 2016 +0100 patch 8.0.0134 Problem: Null pointer access reported by UBsan. Solution: Check curwin->w_buffer is not NULL. (Yegappan Lakshmanan)

#!/bin/sh
# enable DEC locator input model on remote terminal
printf  "\033[1;2'z\033[1;3'{\c"
vim "$@"
# disable DEC locator input model on remote terminal
printf  "\033[2;4'{\033[0'z\c"