On 2019/9/10 下午2:48, Michael S. Tsirkin wrote:
On Tue, Sep 10, 2019 at 09:52:10AM +0800, Jason Wang wrote:
On 2019/9/9 下午10:45, Michael S. Tsirkin wrote:
On Mon, Sep 09, 2019 at 03:19:55PM +0800, Jason Wang wrote:
On 2019/9/8 下午7:05, Michael S. Tsirkin wrote:
iovec addresses coming from
On Tue, Sep 10, 2019 at 09:52:10AM +0800, Jason Wang wrote:
>
> On 2019/9/9 下午10:45, Michael S. Tsirkin wrote:
> > On Mon, Sep 09, 2019 at 03:19:55PM +0800, Jason Wang wrote:
> > > On 2019/9/8 下午7:05, Michael S. Tsirkin wrote:
> > > > iovec addresses coming from vhost are assumed to be
> > > >
On 2019/9/9 下午10:45, Michael S. Tsirkin wrote:
On Mon, Sep 09, 2019 at 03:19:55PM +0800, Jason Wang wrote:
On 2019/9/8 下午7:05, Michael S. Tsirkin wrote:
iovec addresses coming from vhost are assumed to be
pre-validated, but in fact can be speculated to a value
out of range.
Userspace
On Mon, Sep 09, 2019 at 03:19:55PM +0800, Jason Wang wrote:
>
> On 2019/9/8 下午7:05, Michael S. Tsirkin wrote:
> > iovec addresses coming from vhost are assumed to be
> > pre-validated, but in fact can be speculated to a value
> > out of range.
> >
> > Userspace address are later validated with
On 2019/9/8 下午7:05, Michael S. Tsirkin wrote:
iovec addresses coming from vhost are assumed to be
pre-validated, but in fact can be speculated to a value
out of range.
Userspace address are later validated with array_index_nospec so we can
be sure kernel info does not leak through these
iovec addresses coming from vhost are assumed to be
pre-validated, but in fact can be speculated to a value
out of range.
Userspace address are later validated with array_index_nospec so we can
be sure kernel info does not leak through these addresses, but vhost
must also not leak userspace info
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