Re: netfilter regression causes lost pings "operation not permitted"

From: Florian Westphal
Date: Sat Dec 17 2016 - 07:26:05 EST


Trevor Cordes <trevor@xxxxxxxxxxxxx> wrote:

Sorry for late reply.

> On 2016-12-07 Trevor Cordes wrote:
> > Bisected down to:
> > 870190a9ec9075205c0fa795a09fa931694a3ff1
> > 7c9664351980aaa6a4b8837a314360b3a4ad382a
>
> Oh! I forgot to mention the most important point: iptable_nat module
> MUST be loaded for the bug to show up!
>
> modprobe iptable_nat
>
> If you rmmod it, the bug goes away. Interestingly, the bug occurs even
> if you have every iptables table (including -t nat) completely empty
> (no rules). All that is required is iptable_nat simply to be loaded.

Pablo, I think stable should revert both patches.

The alternative is for stable to pick up the fixes from 4.10 tree but
that requires to pull rhhashtables new rhlist interface too...

So I think revert is the way to go.

Should I take care of that?