Bug 215411

Summary:	can crash system with /usr/bin/nc
Product:	Base System	Reporter:	georg
Component:	kern	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	New ---
Severity:	Affects Many People	CC:	amd64, georg
Priority:	---
Version:	11.0-RELEASE
Hardware:	amd64
OS:	Any

Description georg 2016-12-19 12:30:32 UTC

"nc -O 1 handy 2323" crashes my system.

handy is ue0 (usb ethernet, android tethering) and remote keyboard listening there.

the freebsd system is zfs-only.

any local user could crash my system.