>>> On 25.11.14 at 13:10, wrote:
> On 25/11/14 11:31, Jan Beulich wrote:
> On 25.11.14 at 11:58, wrote:
>>> On 25/11/14 10:46, Andrew Cooper wrote:
On 25/11/14 10:42, Jan Beulich wrote:
On 25.11.14 at 11:08, wrote:
>> A failed vmentry is overwhelmingly likely to be caused b
On 25/11/14 11:31, Jan Beulich wrote:
On 25.11.14 at 11:58, wrote:
>> On 25/11/14 10:46, Andrew Cooper wrote:
>>> On 25/11/14 10:42, Jan Beulich wrote:
>>> On 25.11.14 at 11:08, wrote:
> A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS
>> state.
> As a resu
>>> On 25.11.14 at 11:58, wrote:
> On 25/11/14 10:46, Andrew Cooper wrote:
>> On 25/11/14 10:42, Jan Beulich wrote:
>> On 25.11.14 at 11:08, wrote:
A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS
> state.
As a result, injecting a fault and retrying the the vm
On 25/11/14 10:46, Andrew Cooper wrote:
> On 25/11/14 10:42, Jan Beulich wrote:
> On 25.11.14 at 11:08, wrote:
>>> A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS
>>> state.
>>> As a result, injecting a fault and retrying the the vmentry is likely to
>>> fail
>>> in th
>>> On 25.11.14 at 11:46, wrote:
> On 25/11/14 10:42, Jan Beulich wrote:
> On 25.11.14 at 11:08, wrote:
>>> A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS
> state.
>>> As a result, injecting a fault and retrying the the vmentry is likely to
>>> fail
>>> in the same w
On 25/11/14 10:42, Jan Beulich wrote:
On 25.11.14 at 11:08, wrote:
>> A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state.
>> As a result, injecting a fault and retrying the the vmentry is likely to
>> fail
>> in the same way.
> That's not all that unlikely - remembe
At 10:08 + on 25 Nov (1416906538), Andrew Cooper wrote:
> A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state.
> As a result, injecting a fault and retrying the the vmentry is likely to fail
> in the same way.
In particular, the guest's privilege level won't change unt
>>> On 25.11.14 at 11:08, wrote:
> A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state.
> As a result, injecting a fault and retrying the the vmentry is likely to
> fail
> in the same way.
That's not all that unlikely - remember that the change was prompted
by the XSA-11
A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state.
As a result, injecting a fault and retrying the the vmentry is likely to fail
in the same way.
While crashing a guest because userspace tickled a hypervisor bug to get up
invalid VMCS state is bad (and usually warrants a