Re: [PATCH] fix an infinite loop with a corrupted pc partition table

[Vladimir 'phcoder' Serbinenko]

On Fri, Jul 24, 2009 at 11:03 PM, Pavel Roskin<address@hidden> wrote:
> On Fri, 2009-07-24 at 22:35 +0200, Vladimir 'phcoder' Serbinenko wrote:

> This is still allowed:
>
> MBR  ---------------->  Ext
>        Logical  <-----/
AFAIK this isn't even possible since e->start is unsigned and
references to logical partitions from ext label are relative to
position of ext while ext->ext reference are relative to the first
position of ext.
>
> This is what I want to forbid:
>
> MBR  ---------------->  Ext
>             Ext  <----/
>                \-------------->  Logical
>
> I don't think any tool would create that insanity.
>
If I remember correctly DiskDrake created something like
MBR----------------> Ext --> Logical

\-------------------------------------------------->Ext -----> Logical
                                                 Ext<------------------------/
                                                   \----->Logical
>> A big problem with pc partitions is that AFAIK there is no normative
>> standard for it, only descriptive documents
>
> Yes, it's a typical "industry standard" :-(
>
> --
> Regards,
> Pavel Roskin
>
>
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-- 
Regards
Vladimir 'phcoder' Serbinenko

Personal git repository: http://repo.or.cz/w/grub2/phcoder.git