leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

KVM: Fix bogus sign extension in mmu mapping audit

Browse Source 
When auditing a 32-bit guest on a 64-bit host, sign extension of the page
table directory pointer table index caused bogus addresses to be shown on
audit errors.

Fix by declaring the index unsigned.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-03-08 11:48:09 +02:00
parent ff42697436
commit 1ea252afcd
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/kvm/mmu.c
View File

@ -1360,7 +1360,7 @@ static void audit_mappings_page(struct kvm_vcpu *vcpu, u64 page_pte,
static void audit_mappings(struct kvm_vcpu *vcpu)
{
int i;
unsigned i;
if (vcpu->mmu.root_level == 4)
audit_mappings_page(vcpu, vcpu->mmu.root_hpa, 0, 4);