Re: Re: [PATCH 2/2] ide: serverworks: potential overflow in svwks_set_pio_mode()

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On 1/20/20 2:40 PM, David Miller wrote:
> From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Date: Tue, 7 Jan 2020 16:06:07 +0300
> 
>> The "drive->dn" variable is a u8 controlled by root.
>>
>> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

drive->dn should not be root controllable, please point me where it
happens as this may need fixing instead of serverworks driver.

[ IDE core makes sure that drive->dn is never > 3 and a lot of code
  assumes it. ]

> Applied.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics



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