On Wed, Oct 23, 2024 at 08:07:42AM +0000, Vitaliy Makkoveev wrote:
> On Mon, Oct 21, 2024 at 01:44:58PM +0200, Kirill A. Korinsky wrote:
> > On Mon, 21 Oct 2024 11:19:48 +0200,
> > "Anthony J. Bentley" <bent...@openbsd.org> wrote:
> > > 
> > > Vitaliy Makkoveev writes:
> > > > I suspect vio(4).
> > > 
> > > Maybe there are multiple bugs. But as we've discussed before, wg(4) is
> > > crashy on em(4) too.
> > > https://marc.info/?l=openbsd-bugs&m=171615647816882&w=2
> > >
> > 
> > I'd like to add one more issue with wg:
> > https://marc.info/?l=openbsd-bugs&m=172028863807274&w=2
> > 
> > -- 
> > wbr, Kirill
> 
> Does -tcplro on em(4) and vio(4) helps? Is it possible to test them
> witout ipv6 with -tcplro?

I also got hit by this bug, I can provide a dmesg as data point
although my crash is almost the same as the one reported by
Kirill A. Korinsky.

Thanks for pointing out -tcplro as possible mitigation.

I got my VPS to stop crashing minutes after booting 7.6 by doing
any of the following:

- Do not set up any wg(4) interface on the host.

- Set up vio(4) interfaces with -tcplro and enable wg(4) interfaces as
  usual (In my case, I'm routing IPv4 and IPv6 traffic through wg(4)
  tunnel).

I can provide more info if required.

After I disabled tcplro on my interfaces my box is stable as usual.
Fortunately, I didn't have to revert to 7.5.

-Miguel

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