pfctl segmentation fault in pfctl_optimize.c

[Kristof Provost]

On 9 Mar 2021, at 11:05, Patrick Lamaiziere wrote:
> Hello,
>
> FreeBSD 11.4-RELEASE-p3 / amd64
>
> Yesterday while loading a ruleset, pfctl core dumped with a
> segmentation fault (see gdb below)
>
> We are recently using some big tables so may be this is what triggered 
> the problem (?), i can't reproduce this.
>
> I've found something on tech at openbsd.org that looks closely related:
> https://www.mail-archive.com/tech@openbsd.org/msg42870.html
>
At first glance that looks like a sane change, but I can’t reproduce 
the crash described there.

Can you reproduce your crash? I try to avoid making changes I can’t 
write a test for.

Best regards,
Kristof