Re: [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from atomic_t to refcount_t

From: Johannes Thumshirn
Date: Thu Mar 09 2017 - 04:33:13 EST


On 03/09/2017 10:26 AM, Reshetova, Elena wrote:
>
>> On 03/09/2017 08:18 AM, Reshetova, Elena wrote:
>>>> On Mon, Mar 06, 2017 at 04:21:09PM +0200, Elena Reshetova wrote:
>>>>> refcount_t type and corresponding API should be
>>>>> used instead of atomic_t when the variable is used as
>>>>> a reference counter. This allows to avoid accidental
>>>>> refcounter overflows that might lead to use-after-free
>>>>> situations.
>>>>>
>>>>> Signed-off-by: Elena Reshetova <elena.reshetova@xxxxxxxxx>
>>>>> Signed-off-by: Hans Liljestrand <ishkamiel@xxxxxxxxx>
>>>>> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
>>>>> Signed-off-by: David Windsor <dwindsor@xxxxxxxxx>
>>>>
>>>> This looks OK to me.
>>>>
>>>> Acked-by: Chris Leech <cleech@xxxxxxxxxx>
>>>
>>> Thank you for review! Do you have a tree that can take this change?
>>
>> Hi Elena,
>>
>> iscsi like fcoe should go via the SCSI tree.
>
> Thanks Johannes! Should I resend with "Acked-by" added in order for it to be picked up?

Yes I think this would be a good way to go.

Byte,
Johannes
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