Re: upstream kernel crashes

From: Michael S. Tsirkin
Date: Mon Aug 15 2022 - 12:02:20 EST


On Mon, Aug 15, 2022 at 08:49:20AM -0700, Guenter Roeck wrote:
> On Mon, Aug 15, 2022 at 05:43:19AM -0400, Michael S. Tsirkin wrote:
> > On Sun, Aug 14, 2022 at 02:26:10PM -0700, Guenter Roeck wrote:
> > > Hi all,
> > >
> > > syscaller reports lots of crashes with the mainline kernel. The latest
> > > I have seen, based on the current ToT, is attached. Backtraces are not
> > > always the same, but this one is typical.
> > >
> > > I have not tried to analyze this further.
> > >
> > > Guenter
> >
> > Thanks a lot for the report!
> >
> > Could you please try the latest vhost tree:
> > https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
> >
> > which has been reported by Andres Freund to fix a similar issue?
> >
>
> I have now literally seen dozens of reports with syzcaller crashing
> in various code locations, but we are still trying to actually reproduce
> the problem. We'll respond on the revert patch once we can reproduce the
> issue and thus the fix.
>
> Thanks,
> Guenter

OK I think I will give it a day in next and then send it to Linus.
Would be nice to know before that - vacation next week so I'd like to be
reasonably sure things are nice and quiet and everyone can proceed with
testing.

--
MST