netdev - Re: [PATCH net v2] net/sched: act_mpls: ensure LSE is pullable before reading it

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Message-ID: <20201203181536.GB2735@linux.home>
Date:   Thu, 3 Dec 2020 19:15:36 +0100
From:   Guillaume Nault <gnault@...hat.com>
To:     Davide Caratti <dcaratti@...hat.com>
Cc:     jhs@...atatu.com, jiri@...nulli.us,
        Cong Wang <xiyou.wangcong@...il.com>, kuba@...nel.org,
        netdev@...r.kernel.org, marcelo.leitner@...il.com,
        John Hurley <john.hurley@...ronome.com>
Subject: Re: [PATCH net v2] net/sched: act_mpls: ensure LSE is pullable
 before reading it

On Thu, Dec 03, 2020 at 10:37:52AM +0100, Davide Caratti wrote:
> when 'act_mpls' is used to mangle the LSE, the current value is read from
> the packet dereferencing 4 bytes at mpls_hdr(): ensure that the label is
> contained in the skb "linear" area.

Acked-by: Guillaume Nault <gnault@...hat.com>