Re: Kernel panic in networking code

On Thu, Dec 9, 2021 at 12:35 PM Shawn Webb <shawn.webb@hardenedbsd.org> wrote:
>
> 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.

I've been running glebius's revised D33339 patch from Friday on my
HardenedBSD -CURRENT box since he posted it, and I haven't had any
jail related issues since. Granted I'm not running pourdriere builds
either, but I guess I could kick one off...


-Dustin