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Two bugfixes.
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEcBAABAgAGBQJbZLlkAAoJEL/70l94x66D0DkIAJidCqR7YYvsSspPpjbN30iK GE3AJhfXDgj+DZ+/HQpslGP7+rpcErtuSLA6pyX8oFewoOt0LNNXeEdGazfpEt76 lz112RBIjfYVs9GpoiqRbMhIkJQG8lrpP+Ji3yQAdlUcdhoK7IbkFGQpWUk8LBKH +11UMt7QYRnw9/BOYrAoY5fplt1PBjkban+s5VDZOMPq433i7pH7haDq5WVB9El7 n626YvbYXZ4V1mOeqVs4YCBfHZb8dIs58MKBbqJuYefjzX/f9zS72F50ZlJ1D2Sv a0gpmpWeDrR9gH+j/TYfHbdN4IWiD5zyk5tIHPLlAkf6FCpO1wOc7xERchx0VWM= =4vo0 -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Paolo Bonzini: "Two vmx bugfixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: x86: vmx: fix vpid leak KVM: vmx: use local variable for current_vmptr when emulating VMPTRST
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commit
0b5b1f9a78
@ -7893,6 +7893,8 @@ static int enter_vmx_operation(struct kvm_vcpu *vcpu)
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HRTIMER_MODE_REL_PINNED);
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vmx->nested.preemption_timer.function = vmx_preemption_timer_fn;
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vmx->nested.vpid02 = allocate_vpid();
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vmx->nested.vmxon = true;
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return 0;
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@ -8480,21 +8482,20 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu)
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/* Emulate the VMPTRST instruction */
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static int handle_vmptrst(struct kvm_vcpu *vcpu)
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{
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unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
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u32 vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
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gva_t vmcs_gva;
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unsigned long exit_qual = vmcs_readl(EXIT_QUALIFICATION);
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u32 instr_info = vmcs_read32(VMX_INSTRUCTION_INFO);
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gpa_t current_vmptr = to_vmx(vcpu)->nested.current_vmptr;
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struct x86_exception e;
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gva_t gva;
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if (!nested_vmx_check_permission(vcpu))
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return 1;
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if (get_vmx_mem_address(vcpu, exit_qualification,
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vmx_instruction_info, true, &vmcs_gva))
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if (get_vmx_mem_address(vcpu, exit_qual, instr_info, true, &gva))
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return 1;
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/* *_system ok, nested_vmx_check_permission has verified cpl=0 */
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if (kvm_write_guest_virt_system(vcpu, vmcs_gva,
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(void *)&to_vmx(vcpu)->nested.current_vmptr,
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sizeof(u64), &e)) {
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if (kvm_write_guest_virt_system(vcpu, gva, (void *)¤t_vmptr,
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sizeof(gpa_t), &e)) {
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kvm_inject_page_fault(vcpu, &e);
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return 1;
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}
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@ -10370,11 +10371,9 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
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goto free_vmcs;
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}
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if (nested) {
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if (nested)
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nested_vmx_setup_ctls_msrs(&vmx->nested.msrs,
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kvm_vcpu_apicv_active(&vmx->vcpu));
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vmx->nested.vpid02 = allocate_vpid();
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}
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vmx->nested.posted_intr_nv = -1;
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vmx->nested.current_vmptr = -1ull;
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@ -10391,7 +10390,6 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
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return &vmx->vcpu;
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free_vmcs:
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free_vpid(vmx->nested.vpid02);
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free_loaded_vmcs(vmx->loaded_vmcs);
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free_msrs:
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kfree(vmx->guest_msrs);
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