From 6e1e5ffee8d95f9bce71eaa029cb5247b0f2f673 Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Thu, 18 Mar 2010 15:20:08 +0200 Subject: [PATCH] KVM: x86 emulator: fix 0f 01 /5 emulation It is undefined and should generate #UD. Signed-off-by: Gleb Natapov Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/emulate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index c3b9334eb248..7c7debb424df 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2490,6 +2490,9 @@ twobyte_insn: (c->src.val & 0x0f), ctxt->vcpu); c->dst.type = OP_NONE; break; + case 5: /* not defined */ + kvm_queue_exception(ctxt->vcpu, UD_VECTOR); + goto done; case 7: /* invlpg*/ emulate_invlpg(ctxt->vcpu, memop); /* Disable writeback. */