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Re: [Xen-devel] [PATCH] x86/HVM: memset CPU context save area

To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Roger Pau MonnÃ <roger.pau@xxxxxxxxxx>
Date: Tue, 19 Jan 2016 18:44:20 +0100
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
Delivery-date: Tue, 19 Jan 2016 17:44:28 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

El 19/01/16 a les 18.42, Roger Pau Monne ha escrit:
> In order to prevent leaking data in the padding field. Also remove the
> memset done to the fpu_regs in case of no FPU context present, since it's
> already taken care by the memset of the whole CPU context structure. The
> same applies to setting ctxt.flags to 0 in case there's no FPU context.
> 
> Signed-off-by: Roger Pau MonnÃ <roger.pau@xxxxxxxxxx>

Forgot to add:

Reported-by: Jan Beulich <jbeulich@xxxxxxxx>


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- [Xen-devel] [PATCH] x86/HVM: memset CPU context save area
  - From: Roger Pau Monne

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