From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:36243 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758468AbcDISkn (ORCPT ); Sat, 9 Apr 2016 14:40:43 -0400 Subject: Patch "KVM: VMX: avoid guest hang on invalid invept instruction" has been added to the 3.14-stable tree To: pbonzini@redhat.com, dmatlack@google.com, gregkh@linuxfoundation.org Cc: , From: Date: Sat, 09 Apr 2016 11:40:42 -0700 Message-ID: <146022724246240@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled KVM: VMX: avoid guest hang on invalid invept instruction to the 3.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: kvm-vmx-avoid-guest-hang-on-invalid-invept-instruction.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 2849eb4f99d54925c543db12917127f88b3c38ff Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 18 Mar 2016 16:53:29 +0100 Subject: KVM: VMX: avoid guest hang on invalid invept instruction From: Paolo Bonzini 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 Signed-off-by: Paolo Bonzini Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/vmx.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6423,6 +6423,7 @@ static int handle_invept(struct kvm_vcpu if (!(types & (1UL << type))) { nested_vmx_failValid(vcpu, VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID); + skip_emulated_instruction(vcpu); return 1; } Patches currently in stable-queue which might be from pbonzini@redhat.com are queue-3.14/kvm-i8254-change-pit-discard-tick-policy.patch queue-3.14/kvm-fix-spin_lock_init-order-on-x86.patch queue-3.14/kvm-vmx-avoid-guest-hang-on-invalid-invept-instruction.patch