Hi: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> writes: >linmiaohe <linmiaohe@xxxxxxxxxx> writes: > >> About nWMX. >> When nested_vmx_handle_enlightened_vmptrld() return 0, it do not >> inject any exception or set rflags to Indicate VMLAUNCH instruction >> failed and skip this instruction. This would cause nested_vmx_run() > >Yes, it seems it can. > >nested_vmx_handle_enlightened_vmptrld() has two possible places where it can fail: > >kvm_vcpu_map() -- meaning that the guest passed some invalid GPA. >revision id check -- meaning that the supplied eVMCS is unsupported/garbage. > >I think the right behavior would be to nested_vmx_failInvalid() in both these cases. We can also check what genuing Hyper-V does. > Many thanks for your reply. I think this would be a problem too. And would you like to fix this potential problem? I have no idea how to fix this correctly... Thanks again.
