Re: [PATCH 0/2] KVM: Fix out-of-bounds memslot access

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On Wed, 8 Apr 2020 09:24:27 +0200
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:

> On 08.04.20 08:40, Sean Christopherson wrote:
> > Two fixes for what are effectively the same bug.  The binary search used
> > for memslot lookup doesn't check the resolved index and can access memory
> > beyond the end of the memslot array.
> > 
> > I split the s390 specific change to a separate patch because it's subtly
> > different, and to simplify backporting.  The KVM wide fix can be applied
> > to stable trees as is, but AFAICT the s390 change would need to be paired
> > with the !used_slots check from commit 774a964ef56 ("KVM: Fix out of range  
> 
> I cannot find the commit id 774a964ef56
> 

It's 0774a964ef561b7170d8d1b1bfe6f88002b6d219 in my tree.




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