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Message-ID: <CAJq09z7cTSTXsKzF8=fryNbA_+_h40OsbAYNtyttHC-ktq7ryg@mail.gmail.com>
Date:   Thu, 16 Mar 2023 14:41:20 -0300
From:   Luiz Angelo Daros de Luca <luizluca@...il.com>
To:     Ahmad Fatoum <a.fatoum@...gutronix.de>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alvin Šipraga <alsi@...g-olufsen.dk>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>, kernel@...gutronix.de,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 1/2] net: dsa: realtek: fix out-of-bounds access

> The probe function sets priv->chip_data to (void *)priv + sizeof(*priv)
> with the expectation that priv has enough trailing space.
>
> However, only realtek-smi actually allocated this chip_data space.
> Do likewise in realtek-mdio to fix out-of-bounds accesses.
>
> Fixes: aac94001067d ("net: dsa: realtek: add new mdio interface for drivers")
> Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>

My bad. Thanks for the fix, Ahmad.

Reviewed-by: Luiz Angelo Daros de Luca <luizluca@...il.com>

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