diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-18 16:53:29 +0100 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-04-18 08:51:06 -0400 |
| commit | 7a33539146bdcbbce25dbe93e853f39058c640a9 (patch) | |
| tree | 22e5048c9d6072363349352732364da363b71621 /arch | |
| parent | b90311472f0dc0aa7a7223c1220db47ce4db5447 (diff) | |
| download | lwn-7a33539146bdcbbce25dbe93e853f39058c640a9.tar.gz lwn-7a33539146bdcbbce25dbe93e853f39058c640a9.zip | |
KVM: VMX: avoid guest hang on invalid invept instruction
[ Upstream commit 2849eb4f99d54925c543db12917127f88b3c38ff ]
A guest executing an invalid invept instruction would hang
because the instruction pointer was not updated.
Cc: stable@vger.kernel.org
Fixes: bfd0a56b90005f8c8a004baf407ad90045c2b11e
Reviewed-by: David Matlack <dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 917148620f49..1274fac7c28f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7210,6 +7210,7 @@ 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; } |