Sean Christopherson 7159239d2d KVM: x86: Set so called 'reserved CR3 bits in LM mask' at vCPU reset
commit 031b91a5fe6f1ce61b7617614ddde9ed61e252be upstream.

Set cr3_lm_rsvd_bits, which is effectively an invalid GPA mask, at vCPU
reset.  The reserved bits check needs to be done even if userspace never
configures the guest's CPUID model.

Cc: stable@vger.kernel.org
Fixes: 0107973a80ad ("KVM: x86: Introduce cr3_lm_rsvd_bits in kvm_vcpu_arch")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210204000117.3303214-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-10 09:29:20 +01:00
..
2020-10-23 11:17:56 -07:00
2020-04-02 15:13:15 -07:00