[PATCH v2] UBIFS: compute KSA size and store in superblock

Artem Bityutskiy dedekind1 at gmail.com
Thu May 31 06:19:35 EDT 2012


On Thu, 2012-05-31 at 12:12 +0200, Joel Reardon wrote:
> > You need to validate that:
> >
> > 1. if use_ubifsec is true, then ksa_lebs is not zero.
> > 2. ksa_lebs is sane - not too small, not too large.
> >
> 
> Will add an assert and a dbg check function.

Why assert? The point is that if we read the superblock we should check
that it is sane. See teh validate_sb() function. If any of the above 2
checks fail - the superblock is insane and we should refuse mounting.

-- 
Best Regards,
Artem Bityutskiy
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