Re: Kernel panic in networking code

From: Shawn Webb <shawn.webb_at_hardenedbsd.org>
Date: Thu, 09 Dec 2021 18:34:09 UTC 
On Thu, Dec 09, 2021 at 12:05:30PM -0500, Mark Johnston wrote:
> On Thu, Dec 09, 2021 at 10:20:10AM -0500, Shawn Webb wrote:
> > Hey all,
> > 
> > It looks like there's a potential deadlock in some networking code,
> > specifically with ipv4 jails. I can reproduce by running Poudriere on
> > 14-CURRENT.
> > 
> > I am using HardenedBSD 14-CURRENT, but we don't have any changes to
> > any point in the code paths that would trigger/cause this kind of
> > kernel panic.
> > 
> > I've uploaded the crash.txt file here:
> > https://hardenedbsd.org/~shawn/2021-12-09_crash-01.txt
> 
> There is some WIP to address this in https://reviews.freebsd.org/D33339
> and its followup revision.

Awesome. Thanks for the response! I'll follow along. I'm happy to test
out the patch before it lands if needed/wanted.

Thanks,

-- 
Shawn Webb
Cofounder / Security Engineer
HardenedBSD

https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc