Le 06/06/2023 à 11:27, Nicholas Piggin a écrit :
> On Mon Jun 5, 2023 at 9:04 PM AEST, Christophe Leroy wrote:
>> It is possible to disable KUAP at boottime with 'nosmap' parameter.
>>
>> That is implemented with jump_label hence adds a 'nop' in front
>> of each open/close of userspace access.
>>
On Mon Jun 5, 2023 at 9:04 PM AEST, Christophe Leroy wrote:
> It is possible to disable KUAP at boottime with 'nosmap' parameter.
>
> That is implemented with jump_label hence adds a 'nop' in front
> of each open/close of userspace access.
>
> From a security point of view it makes sence to disallo
It is possible to disable KUAP at boottime with 'nosmap' parameter.
That is implemented with jump_label hence adds a 'nop' in front
of each open/close of userspace access.
>From a security point of view it makes sence to disallow disabling
KUAP. And on processors like the 8xx where 'nop' is not s
