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authorPaolo Bonzini <pbonzini@redhat.com>2016-03-18 18:53:29 +0300
committerBen Hutchings <ben@decadent.org.uk>2016-05-01 01:06:03 +0300
commit0b5b0458f13be9e30852dd302a322bd86ae7e1a5 (patch)
tree84b27bc5a6433800a8825dc47b93930801cb79a3 /arch/x86
parent34a20235dd09ce6804b248ff8486fc394c13e750 (diff)
downloadlinux-0b5b0458f13be9e30852dd302a322bd86ae7e1a5.tar.xz
KVM: VMX: avoid guest hang on invalid invept instruction
commit 2849eb4f99d54925c543db12917127f88b3c38ff upstream. A guest executing an invalid invept instruction would hang because the instruction pointer was not updated. Fixes: bfd0a56b90005f8c8a004baf407ad90045c2b11e Reviewed-by: David Matlack <dmatlack@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/vmx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e7cd4c833c40..e890c0398d62 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6601,6 +6601,7 @@ static int handle_invept(struct kvm_vcpu *vcpu)
if (!(types & (1UL << type))) {
nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
+ skip_emulated_instruction(vcpu);
return 1;
}