On 29.10.2020 09:53, Jan Beulich wrote:
> On 28.10.2020 22:31, Andrew Cooper wrote:
>> On 26/10/2020 09:40, Jan Beulich wrote:
>>> In the case that no 64-bit SYSCALL callback is registered, the guest
>>> will be crashed when 64-bit userspace executes a SYSCALL instruction,
>>> which would be a user
On 28.10.2020 22:31, Andrew Cooper wrote:
> On 26/10/2020 09:40, Jan Beulich wrote:
>> In the case that no 64-bit SYSCALL callback is registered, the guest
>> will be crashed when 64-bit userspace executes a SYSCALL instruction,
>> which would be a userspace => kernel DoS. Similarly for 32-bit
>>
On 26/10/2020 09:40, Jan Beulich wrote:
> In the case that no 64-bit SYSCALL callback is registered, the guest
> will be crashed when 64-bit userspace executes a SYSCALL instruction,
> which would be a userspace => kernel DoS. Similarly for 32-bit
> userspace when no 32-bit SYSCALL callback was re
On 26.10.2020 10:40, Jan Beulich wrote:
And of course this should have
From: Andrew Cooper
right here, sorry.
Jan
> In the case that no 64-bit SYSCALL callback is registered, the guest
> will be crashed when 64-bit userspace executes a SYSCALL instruction,
> which would be a userspace => kern
