Re: [Xen-devel] Ping: [PATCH 4/5] HVM: prevent leaking heap data from hvm_save_one()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 17.12.13 at 11:45, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> On 17/12/13 09:16, Jan Beulich wrote:
>>>>> On 10.12.13 at 16:48, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>> When one or more of the vCPU-s of a guest are offline, no data may be
>>> put into the allocated space for them and, due to another bug, such
>>> uninitialized data may be passed back to the caller.
>>>
>>> Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
>>> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
>>> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
>> Keir?
> 
> This issue is completely fixed by the latest patch is it not?
> 
> With the latest patch, we always copy out of the written subset of
> ctxt.data, even if ctxt.size is larger.

Indeed, the patch here shouldn't be needed anymore with the
latest version of Don's.

Jan


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