When SEV is active, on #NPF the page fault address will contain the C-bit. We must clear the C-bit before handling the fault.
Cc: Thomas Gleixner <t...@linutronix.de> Cc: Ingo Molnar <mi...@redhat.com> Cc: "H. Peter Anvin" <h...@zytor.com> Cc: Paolo Bonzini <pbonz...@redhat.com> Cc: "Radim Krčmář" <rkrc...@redhat.com> Cc: Joerg Roedel <j...@8bytes.org> Cc: Borislav Petkov <b...@suse.de> Cc: Tom Lendacky <thomas.lenda...@amd.com> Cc: x...@kernel.org Cc: k...@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Borislav Petkov <b...@suse.de> Signed-off-by: Brijesh Singh <brijesh.si...@amd.com> --- arch/x86/kvm/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 208c8abf0bbd..b9906cb59238 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2436,7 +2436,7 @@ static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value) static int pf_interception(struct vcpu_svm *svm) { - u64 fault_address = svm->vmcb->control.exit_info_2; + u64 fault_address = __sme_clr(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, -- 2.9.5