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Re: [Xen-devel] [PATCH] x86/32on64: properly honor add-to-physmap-batch's size



Hi,

On 25/04/17 14:54, Wei Liu wrote:
On Tue, Apr 25, 2017 at 03:03:42AM -0600, Jan Beulich wrote:
Commit 407a3c00ff ("compat/memory: fix build with old gcc") "fixed" a
build issue by switching to the use of uninitialized data. Due to
- the bounding of the uninitialized data item
- the accessed area being outside of Xen space
- arguments being properly verified by the native hypercall function
this is not a security issue.

Reported-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Release-acked-by: Julien Grall <julien.grall@xxxxxxx>

Cheers,


--
Julien Grall

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