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Re: [Xen-devel] [PATCH] xen/x86: domain: Free all the pages associated to struct domain



On Mon, Jan 20, 2020 at 02:31:42PM +0000, Julien Grall wrote:
> From: Julien Grall <jgrall@xxxxxxxxxx>
> 
> The structure domain may be bigger than a page size when lock profiling
> is enabled. However, the function free_domheap_struct will only free the
> first page.
> 
> This is not a security issue because struct domain can only be bigger
> than a page size for lock profiling. The feature can only be selected
> in DEBUG and EXPERT mode.
> 
> Fixes: 8916fcf4577 ("x86/domain: compile with lock_profile=y enabled")
> Reported-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.

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