#------------------------------------------------------------------------------#
in function FNAME(page_fault), drivers/kvm/paging_tmpl.h, line 450, (linus' git)
I think a check is in place. I am not sure whether this is how it should be
done, nor was the patch below tested. So please review.
--
The u64 pointer shadow_pte is initialized by the function FNAME(fetch), but
FNAME(fetch) can return NULL,
Signed-off-by: Roel Kluin <[EMAIL PROTECTED]>
---
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h
index 4b5391c..fce305d 100644
--- a/drivers/kvm/paging_tmpl.h
+++ b/drivers/kvm/paging_tmpl.h
@@ -460,7 +460,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t
addr,
/*
* mmio: emulate if accessible, otherwise its a guest fault.
*/
- if (is_io_pte(*shadow_pte))
+ if (!shadow_pte || is_io_pte(*shadow_pte))
return 1;
++vcpu->stat.pf_fixed;
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