KVM: VMX: Always signal #GP on WRMSR to MSR_IA32_CR_PAT with bad value
The behavior of WRMSR is in no way dependent on whether or not KVM
consumes the value.
Fixes: 4566654bb9
("KVM: vmx: Inject #GP on invalid PAT CR")
Cc: stable@vger.kernel.org
Cc: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
alistair/sunxi64-5.4-dsi
parent
b1346ab2af
commit
d28f4290b5
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@ -1894,9 +1894,10 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
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MSR_TYPE_W);
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break;
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case MSR_IA32_CR_PAT:
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if (!kvm_pat_valid(data))
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return 1;
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if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) {
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if (!kvm_pat_valid(data))
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return 1;
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vmcs_write64(GUEST_IA32_PAT, data);
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vcpu->arch.pat = data;
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break;
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