On Wed, 15 Aug 2007, [email protected] wrote:
> ------------------------------------------------------
> Subject: fix NULL pointer dereference in __vm_enough_memory()
> From: Alan Cox <[email protected]>
>
> The new exec code inserts an accounted vma into an mm struct which is not
> current->mm. The existing memory check code has a hard coded assumption
> that this does not happen as does the security code.
>
> As the correct mm is known we pass the mm to the security method and the
> helper function. A new security test is added for the case where we need
> to pass the mm and the existing one is modified to pass current->mm to
> avoid the need to change large amounts of code.
>
> (Thanks to Tobias for fixing rejects and testing)
>
> Signed-off-by: Alan Cox <[email protected]>
> Cc: WU Fengguang <[email protected]>
> Cc: James Morris <[email protected]>
> Cc: Tobias Diedrich <[email protected]>
> Signed-off-by: Andrew Morton <[email protected]>
Acked-by: James Morris <[email protected]>
--
James Morris
<[email protected]>