Re: [Xen-users] XSM/Flask iomem

[George Dunlap <dunlapg@xxxxxxxxx>]

[Moving to xen-devel]

Daniel,

Any comments on this one?

 -George
On Wed, Sep 26, 2018 at 12:41 PM <nicolas.poirot@xxxxxxxxx> wrote:
>
> Hi,
>
> I just noticed from a bad behaviour of my installation and the 
> security_iterate_iomem_sids
> function that the iomem ranges have to be sorted in the device_contexts file.
> The flask load policy takes iomem ranges declaration as it comes but the sid 
> attribution
> and check function expects the list of iomem ocontexts to be sorted.
> My file didn't comply with this statement which ended to use the default 
> iomem sid instead
> of computing one before checking the permission.
>
> This doesn't seem to be documented anywhere in the xen release 4.11.0.
>
> Thanks.
>
> Nicolas
> 1
>
>
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