KVM: nVMX: Disallow VM-entry in MOV-SS shadow

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Immediately following MOV-to-SS/POP-to-SS, VM-entry is
disallowed. This check comes after the check for a valid VMCS. When
this check fails, the instruction pointer should fall through to the
next instruction, the ALU flags should be set to indicate VMfailValid,
and the VM-instruction error should be set to 26 ("VM entry with
events blocked by MOV SS").

Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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Jim Mattson 2017-07-17 12:00:34 -07:00 • committed by Radim Krčmář

parent 4c4a6f790e

commit b3f1dfb6e8

1 changed files with 7 additions and 0 deletions

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arch/x86/kvm/vmx.c

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