netdev - Re: [PATCH net-next 1/2] net: sched: fix the err path of tcf_ct_init in act

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Date:   Tue, 27 Sep 2022 10:45:39 -0400
From:   Xin Long <lucien.xin@...il.com>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     network dev <netdev@...r.kernel.org>, davem@...emloft.net,
        kuba@...nel.org, Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Davide Caratti <dcaratti@...hat.com>,
        Oz Shlomo <ozsh@...dia.com>, Paul Blakey <paulb@...dia.com>,
        Ilya Maximets <i.maximets@....org>
Subject: Re: [PATCH net-next 1/2] net: sched: fix the err path of tcf_ct_init
 in act_ct

On Tue, Sep 27, 2022 at 8:43 AM Paolo Abeni <pabeni@...hat.com> wrote:
>
> On Fri, 2022-09-23 at 11:28 -0400, Xin Long wrote:
> > When it returns err from tcf_ct_flow_table_get(), the param tmpl should
> > have been freed in the cleanup. Otherwise a memory leak will occur.
> >
> > While fixing this problem, this patch also makes the err path simple by
> > calling tcf_ct_params_free(), so that it won't cause problems when more
> > members are added into param and need freeing on the err path.
> >
> > Fixes: c34b961a2492 ("net/sched: act_ct: Create nf flow table per zone")
> > Signed-off-by: Xin Long <lucien.xin@...il.com>
>
> I think it's better if you re-submit this patch for -net explicitly, as
> it LGTM and makes sense to let it reach the affected kernel soon.
If so, I will have to wait until this patch is merged on net-next,
then post the other one for net-next, right?

>
> Thanks!
>
> Paolo
>
>