[linux-lvm] LVM hang with some uses of raw i/o

[Heinz J . Mauelshagen]

On Thu, Jun 27, 2002 at 08:45:24AM -0400, bscott at ntisys.com wrote:
> On Thu, 27 Jun 2002, at 11:44am, Heinz J . Mauelshagen wrote:
> > If I follow the VM code chain correctly down to find_extend_vma(), an
> > offset into a page gets silently ignored on finding the VMA. This will
> > petentially cause a user page to be overwritten corrupting user data which
> > shouldn't cause the system to hang, but your process to go nuts.
> 
>   Um, is this a current bug other people should be worrying about?

Well, in case they have the user space buffers page aligned, they should be fine :)

> 
> -- 
> Ben Scott <bscott at ntisys.com>
> | The opinions expressed in this message are those of the author and do not |
> | necessarily represent the views or policy of any other person, entity or  |
> | organization.  All information is provided without warranty of any kind.  |
> 
> 
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-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at Sistina.com                           +49 2626 141200
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