[Bug 255069] net.link.ether.ipfw=1 leads to kernel panic under 13.0-RELEASE amd64

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 14 Jun 2021 21:33:39 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255069

--- Comment #5 from Niels Bakker <niels=freebsd_at_bakker.net> ---
(In reply to Mark Johnston from comment #4)

No more immediate kernel panic after applying the linked 2-line patch. Testing
a bit further:

# sysctl net.link.ether.ipfw
net.link.ether.ipfw: 1

# ipfw show | tail -4
65432  501522  180857015 count ip from any to any layer2
65433  501518  180855463 skipto 65435 ip from any to any layer2
65434  377670  361839394 count ip from any to any
65535  879187  542694857 allow ip from any to any

# expr 501522 + 377670
879192

('ipfw zero' isn't atomic so the numbers don't align perfectly)

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Received on Mon Jun 14 2021 - 21:33:39 UTC

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