BackPup/Linux
1
0 Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-10-07 22:37:45 -04:00
Code Issues Packages Projects Releases Wiki Activity

KVM: SVM: Don't strip the C-bit from CR2 on #PF interception

Browse Source 
Don't strip the C-bit from the faulting address on an intercepted #PF,
the address is a virtual address, not a physical address.

Fixes: 0ede79e132 ("KVM: SVM: Clear C-bit from the page fault address")
Cc: [email protected]
Cc: Brijesh Singh <[email protected]>
Cc: Tom Lendacky <[email protected]>
Signed-off-by: Sean Christopherson <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
This commit is contained in:
Sean Christopherson authored and Paolo Bonzini committed 2021-03-15 04:42:26 -04:00
1 parent 73ad160693
commit 6d1b867d04
1 file changed
+1 -1
Download Patch File Download Diff File Expand all files Collapse all files
arch/x86/kvm/svm/svm.c
+1 -1
View File
@@ -1898,7 +1898,7 @@ static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value)
static int pf_interception(struct vcpu_svm *svm)
{
u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2);
u64 fault_address = svm->vmcb->control.exit_info_2;
u64 error_code = svm->vmcb->control.exit_info_1;
return kvm_handle_page_fault(&svm->vcpu, error_code, fault_address,