linux-kernel - Re: [PATCH 2/2] phy: ocelot-serdes: fix out-of-bounds read

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Message-ID: <93008479-9e81-1d27-bd31-0cff75c4dd12@ti.com>
Date:   Tue, 16 Oct 2018 14:18:40 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Quentin Schulz <quentin.schulz@...tlin.com>
CC:     "David S. Miller" <davem@...emloft.net>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] phy: ocelot-serdes: fix out-of-bounds read

Hi,

On Tuesday 16 October 2018 02:16 PM, Gustavo A. R. Silva wrote:
> Hi,
> 
> On 10/9/18 9:28 AM, Quentin Schulz wrote:
>> Hi Gustavo,
>>
>> On Tue, Oct 09, 2018 at 12:22:33AM +0200, Gustavo A. R. Silva wrote:
>>> Currently, there is an out-of-bounds read on array ctrl->phys,
>>> once variable i reaches the maximum array size of SERDES_MAX
>>> in the for loop.
>>>
>>> Fix this by changing the condition in the for loop from
>>> i <= SERDES_MAX to i < SERDES_MAX.
>>>
>>
>> Reviewed-by: Quentin Schulz <quentin.schulz@...tlin.com>
>>
> 
> Friendly ping. Who can you take this?

This can go during the 4.20 -rc cycle.

Thanks
Kishon