On 3 Aug 2018, at 20:42, Oliver Pinter wrote:

On 8/3/18, Bjoern A. Zeeb <bzeeb-li...@lists.zabbadoz.net> wrote:
On 3 Aug 2018, at 18:48, Oliver Pinter wrote:

Hi all!

One of out users observed an VNET related kernel panic with epairs in
a jail. Seems like some of the

Well would be great for a start to (a) email virtualisation@ as well,
(b) include a panic message, backtrace or other related information to deduce anything about the possible bug, (c) and not to conflate it with
another totally unrelated MFC request.

So what makes you think it’s related to tcp fast open?

Every required detail is in HardenedBSD's github issue, but I copy the
kernel panic here:

Ah sorry my bad; the issue said ZFS in the subject and I thought it refers to something else.

Thanks! Looking at the backtrace it seems it is happening on teardown and not on startup but indeed in the fast open code and that PR 216613 indeed fixed this in head, good :) Hope Patrick will do the mfc for you.

/bz
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