[Bug 218895] ifconfig name with same group name will crash the system

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 28 Nov 2022 20:33:25 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218895

--- Comment #6 from Kristof Provost <kp@freebsd.org> ---
Note that this no longer causes pf to panic. See
b2e0b24f76066fc52abe4330772c41996eca8bf8 (from Sat Dec 1 09:58:21 2018).

The underlying problem is still there, and if you do this you're going to have
some very unexpected and difficult to understand behaviour in pf, but at least
it doesn't panic any more.

I've looked at fixing this, but there's no error handling in many of the
group/interface name assignment paths and the locking .. well, either I
completely fail to understand it, or it's mostly wrong.

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