From: Christoffer Dall <christoffer.dall@linaro.org>
Date: Fri, 10 Oct 2014 10:14:29 +0000 (+0200)
Subject: arm/arm64: KVM: Ensure memslots are within KVM_PHYS_SIZE
X-Git-Tag: fixes-against-v3.18-rc2~42^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3058d5da2222629bc2223c488a4512b59bb4baf;p=pandora-kernel.git

arm/arm64: KVM: Ensure memslots are within KVM_PHYS_SIZE

When creating or moving a memslot, make sure the IPA space is within the
addressable range of the guest.  Otherwise, user space can create too
large a memslot and KVM would try to access potentially unallocated page
table entries when inserting entries in the Stage-2 page tables.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---

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