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Re: [Xen-devel] [PATCH V8 1/4] x86/mm: Add array_index_nospec to guest provided index values


  • To: Alexandru Stefan ISAILA <aisaila@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Petre Ovidiu PIRCALABU <ppircalabu@xxxxxxxxxxxxxxx>
  • Date: Tue, 21 Jan 2020 12:53:39 +0000
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  • Cc: Jun Nakajima <jun.nakajima@xxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Razvan COJOCARU <rcojocaru@xxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Tue, 21 Jan 2020 12:53:44 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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  • Thread-topic: [PATCH V8 1/4] x86/mm: Add array_index_nospec to guest provided index values

On Fri, 2020-01-17 at 15:31 +0200, Alexandru Stefan ISAILA wrote:
> This patch aims to sanitize indexes, potentially guest provided
> values, for altp2m_eptp[] and altp2m_p2m[] arrays.
> 
> Requested-by: Jan Beulich <jbeulich@xxxxxxxx>
> Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
> Acked-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
> 
Reviewed-by: Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>

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