Re: [PATCH 0/2] ocfs2: harden heartbeat teardown races

From: Joseph Qi

Date: Sun Jul 26 2026 - 02:59:13 EST




On 7/26/26 12:02 PM, Andrew Morton wrote:
> On Wed, 24 Jun 2026 17:53:08 +0800 Cen Zhang <zzzccc427@xxxxxxxxx> wrote:
>
>> This series fixes two OCFS2 heartbeat/o2net teardown races found by
>> KASAN.
>
> Thanks.
>
> Having two Fixes: on [2/2] is quite confusing. Fixes: tells -stable
> maintainers "add this patch to this kernel version". So what are they
> to make of this conflicting advice?
>
> But both Fixes: targets are from 2016 so it doesn't matter. I'm assuming
> we don't need cc:stable on these, but that might be wrong?
>

I'd prefer not cc stable since it introduce a reconstruction.

>
> I'd really like to see Sashiko review on this series, but
> https://sashiko.dev/#/patchset/20260624095310.763763-1-zzzccc427@xxxxxxxxx
> says "failed to apply".
>

Not sure how it conflicts. The 2 patches can be applied cleanly in my
devel tree, on top of my o2hb_region_pin fixes.

Cen, could you please verify it on the latest linux-next?

Thanks,
Joseph

> I don't know what its problem is. It tries linux-next and
> ocfs2-cluster-keep-heartbeat-local-node-stable.patch has been in
> linux-next for over a week and both patches apply cleanly to linux-next
> for me.
>
> It's a shame, because these are two quite large and complex patches to
> old and very tricky code which hasn't proven to be problem-free in
> recent times!
>
> Sigh. I'll poke Roman, see if there's something that can be done
> longer-term to improve the situation. Meanwhile, Joseph, are you
> really sure?