Sorry for the late reply. Panicking this system is a bit painful, but
I found some time to do it today.
Strangely, it's actually cred that is NULL, not cred->cr_prison:
(kgdb) p cred
$7 = (struct ucred *) 0x0
(kgdb) disassemble
Dump of assembler code for function prison_allow:
On Thu, 22 Feb 2018, at 14:41, tech-lists wrote:
> On Thu, Feb 22, 2018 at 03:10:17AM -0800, Jack L. wrote:
> >maybe try a clean buildworld, update /usr/src to the latest version, rm -rf
> >/usr/obj, then make buildworld && make installworld && make kernel and see
> >if that fixes the issue?
>
>
