[Bug 193791] New: invept causes #SS (patch attached)

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https://bugzilla.kernel.org/show_bug.cgi?id=193791

            Bug ID: 193791
           Summary: invept causes #SS (patch attached)
           Product: Virtualization
           Version: unspecified
    Kernel Version: any since around 4.2
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: kvm
          Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx
          Reporter: stsp@xxxxxxx
        Regression: No

Created attachment 253771
  --> https://bugzilla.kernel.org/attachment.cgi?id=253771&action=edit
the fix

Hi.

There is a bug in a way kvm validates the instruction address.
The attached patch has the full explanation and the fix.

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