[ovs-dev] [PATCH RFC v2 0/8] Introduce connection tracking tc offload
Marcelo Ricardo Leitner
marcelo.leitner at gmail.com
Tue Jul 30 14:08:52 UTC 2019
On Mon, Jul 29, 2019 at 01:05:50PM +0000, Paul Blakey wrote:
> Hi,
>
> I reproduced both traces.
>
> The first rcu trace is because we deference the qdisc block without rtnl
> locked (flower allows it unlocked)
>
> and the second trace is because res->goto_tp can be null if the last
> prio of a chain we goto was just deleted, and we try and deference it
> unconditionally when we set the skb extension in tcf_classify.
>
> This can happen when a filter is deleted while there is still traffic, I
> have a test for it and will try on the fixes.
>
> I'll post fixed patches (Patch by VladB) to the tc skb extension to fix
> both of the above, and ovs userspace RFC v2 to fix the nat issue.
Cool, thanks Paul!
Marcelo
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