patch 8.2.2476: using freed memory when splitting window while closing buffer Commit: https://github.com/vim/vim/commit/983d83ff1cd796ff321074335fa53fbe7ac45a46 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 7 12:12:43 2021 +0100 patch 8.2.2476: using freed memory when splitting window while closing buffer Problem: Using freed memory when using an autocommand to split a window while a buffer is being closed. Solution: Disallow splitting when the buffer has b_locked_split set.

#!/bin/bash
set -e

apt-get install -y xvfb

cat <<EOT >/etc/systemd/system/xvfb.service
[Unit]
Description=X Virtual Frame Buffer Service
After=network.target
[Service]
ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24
[Install]
WantedBy=multi-user.target
EOT

systemctl enable xvfb.service
systemctl start xvfb.service