=== BASELINE (unpatched #0) run ===
$ sh run.sh 65535
net.filters_default_to_accept: 0 -> 1
[*] ipfw3 loaded; default policy: 1
[*] DF-2576 ip_fw3_ctl_zero_entry KKASSERT panic
[*] opcode=OP_ZERO(53) rulenum=65535 (default rule, always in ctx->rules)
[+] raw socket opened fd=3
[*] setsockopt(IPPROTO_IP, IP_FW_X=49, opcode=ZERO, rulenum=65535) ...
(ssh channel died -- kernel panicked)
=== guest status after: down ===
=== panic signature (dfbsd-qemu/boot.log) ===
panic: assertion "zmsg.start_rule == NULL" failed in ip_fw3_ctl_zero_entry at /usr/src/sys/net/ipfw3/ip_fw3.c:939
ip_fw3_ctl_zero_entry() at ip_fw3_ctl_zero_entry+0x1c9 0xffffffff82601d39
ip_fw3_ctl_zero_entry() at ip_fw3_ctl_zero_entry+0x1c9 0xffffffff82601d39
ip_fw3_ctl_sockopt() at ip_fw3_ctl_sockopt+0xe2 0xffffffff826020c2
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>