RE: [PATCH v2] efi: take size of partition entry from GPT header

From: David Laight
Date: Fri Sep 14 2018 - 04:59:43 EST


From: Eugene Korenevsky
> Sent: 13 September 2018 20:48
>
> > I suspect you also need a sanity check that the value isn't too small
> > or stupidly large.
>
> What would be the criterion for too large entries?

Anything larger than the maximum size of the full GPT table
would be a start.
Even something like 64k would stop later calculations going wrong.
I presume there is a check elsewhere that the GPT table entries
are all inside the disk area that was read?

David

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