larly considering Xen's current lack of AVIC support.
> But, is this by any chance all running nested under KVM in your fuzzer?
No, KVM was not used. The issue was observed on a Xen hypervisor's
domU HVM running directly on the hardware. Within the guest HVM, a
simple custom hypervisor was
)
(XEN)
(XEN) Panic on CPU 10:
(XEN) Xen BUG at arch/x86/hvm/svm/nestedsvm.c:983
(XEN)
(XEN)
--
Graduate School of Information Science and Technology, The University of Tokyo
Reima Ishii
ish...@g.ecc.u-tokyo.ac.jp
anic on CPU 2:
(XEN) Assertion 'vmcb->_vintr.fields.vgif == 0' failed at
arch/x86/hvm/svm/nestedsvm.c:799
(XEN)
Thanks,
--
Graduate School of Information Science and Technology, The University of Tokyo
Reima Ishii
ish...@g.ecc.u-tokyo.ac.jp