[Bug 255775] panic with ipfw turned on at boot time

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue May 11 05:27:50 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255775

--- Comment #2 from Michael Meiszl <michael at meiszl.de> ---
I was wondering what the difference is between being started by rc.conf or
manually by root afterwards.

Scrolling through the crashlog showed me that with rc start, the tunnel
interface gif0 has not yet been created and attached. But ipfw contains (a lot)
of rules for gif0 (actually it's his main job to keep the baddies from the net
out of this machine and grant access only to certain services/machines).

Maybe this is a hint where to look for the mbuf being NULL ???

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