KVM: x86/mmu: Mark VM as bugged if page fault returns RET_PF_INVALID

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <298980aa5fc5707184ac082287d13a800cd9c25f.1625186503.git.isaku.yamahata@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 66f7f5b..ce1d955 100644 (file)
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5134,7 +5134,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code,
        if (r == RET_PF_INVALID) {
                r = kvm_mmu_do_page_fault(vcpu, cr2_or_gpa,
                                          lower_32_bits(error_code), false);
-               if (WARN_ON_ONCE(r == RET_PF_INVALID))
+               if (KVM_BUG_ON(r == RET_PF_INVALID, vcpu->kvm))
                        return -EIO;
        }