Messages in this thread |  | | Subject | Re: KVM: s390: Use memdup_user() rather than duplicating code | From | SF Markus Elfring <> | Date | Mon, 3 Oct 2016 16:25:34 +0200 |
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>> * Does there really a probability remain that an inappropriate product >> would be calculated here (as the situation was before my two update steps >> for this software module)? > > Perhaps not. Hence my "Probably not an issue here, ...".
Thanks for your clarification.
>> * Can it be that you are looking for a variant of a function like "memdup_user" >> where values can be passed as separate parameters "count" and "size" so that >> the needed multiplication and corresponding overflow check would be performed >> together as desired? > > If there are enough uses, and people like it, adding memdup_user_array() > may be a good idea...
How are the chances of such an addition for the Linux programming interface?
> P.S. Why do your questions make me think of a scientific paper? ;-)
Would you like to recommend any for further reading? ;-)
Regards, Markus
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