netdev - Re: [PATCH net] net: phy: marvell: Fix buffer overrun with stats counters

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Message-ID: <a6c6ee76-2f5c-c670-e987-940d265c635c@cogentembedded.com>
Date:   Thu, 25 Apr 2019 12:44:27 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Andrew Lunn <andrew@...n.ch>, David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH net] net: phy: marvell: Fix buffer overrun with stats
 counters

Hello!

On 25.04.2019 1:33, Andrew Lunn wrote:

> marvell_get_sset_count() returns how many statistics counters there
> are. If the PHY supports fibre, there are 3, otherwise two.
> 
> marvell_get_strings() does not make this distinction, and always
> returns 3 strings. This then often results in writing passed the end

    s/passed/past/?

> of the buffer for the strings.
> 
> Fixes: 2170fef78a40 ("Marvell phy: add field to get errors from fiber link.")
> Signed-off-by: Andrew Lunn <andrew@...n.ch>
[...]

MBR, Sergei