From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: jmontleo@redhat.com, bdas@redhat.com, stable@vger.kernel.org
Subject: [PATCH 1/3] KVM: VMX: avoid guest hang on invalid invept instruction
Date: Fri, 18 Mar 2016 17:09:37 +0100 [thread overview]
Message-ID: <1458317379-8363-2-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1458317379-8363-1-git-send-email-pbonzini@redhat.com>
A guest executing an invalid invept instruction would hang
because the instruction pointer was not updated.
Cc: stable@vger.kernel.org
Fixes: bfd0a56b90005f8c8a004baf407ad90045c2b11e
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/vmx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 5e45c2731a5d..17b20b52d30e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7399,6 +7399,7 @@ 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;
}
--
1.8.3.1
next prev parent reply other threads:[~2016-03-18 16:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-18 16:09 [PATCH 0/3] KVM: VMX: fix handling inv{ept,vpid} and nested RHEL6 KVM Paolo Bonzini
2016-03-18 16:09 ` Paolo Bonzini [this message]
2016-03-18 16:09 ` [PATCH 2/3] KVM: VMX: avoid guest hang on invalid invvpid instruction Paolo Bonzini
2016-03-18 16:09 ` [PATCH 3/3] KVM: VMX: fix nested vpid for old KVM guests Paolo Bonzini
2016-03-18 17:42 ` [PATCH 0/3] KVM: VMX: fix handling inv{ept,vpid} and nested RHEL6 KVM David Matlack
2016-03-18 17:58 ` Paolo Bonzini
2016-03-18 18:04 ` David Matlack
2016-03-19 9:53 ` Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1458317379-8363-2-git-send-email-pbonzini@redhat.com \
--to=pbonzini@redhat.com \
--cc=bdas@redhat.com \
--cc=jmontleo@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.