netdev - Re: [PATCH net-next v2 2/4] net/sched: act_pedit: check static offsets a priori

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Message-ID: <ZBHpxkSdQ4SKNqN8@corigine.com>
Date:   Wed, 15 Mar 2023 16:52:38 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     Pedro Tammela <pctammela@...atatu.com>
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        jiri@...nulli.us, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com
Subject: Re: [PATCH net-next v2 2/4] net/sched: act_pedit: check static
 offsets a priori

On Tue, Mar 14, 2023 at 05:24:46PM -0300, Pedro Tammela wrote:
> Static key offsets should always be on 32 bit boundaries. Validate them on
> create/update time for static offsets and move the datapath validation
> for runtime offsets only.
> 
> iproute2 already errors out if a given offset and data size cannot be packed
> to a 32 bit boundary. This change will make sure users which create/update pedit
> instances directly via netlink also error out, instead of finding out
> when packets are traversing.
> 
> Reviewed-by: Jamal Hadi Salim <jhs@...atatu.com>
> Signed-off-by: Pedro Tammela <pctammela@...atatu.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>