On Thu, Aug 29, 2024 at 10:03:04AM +1000, Alistair Francis wrote:
On Thu, Aug 29, 2024 at 9:45 AM Deepak Gupta wrote:
On Thu, Aug 29, 2024 at 09:29:49AM +1000, Alistair Francis wrote:
>On Thu, Aug 29, 2024 at 3:49 AM Deepak Gupta wrote:
>>
>> prot |= PAGE_WRITE;
>> }
>> -if
On Thu, Aug 29, 2024 at 9:45 AM Deepak Gupta wrote:
>
> On Thu, Aug 29, 2024 at 09:29:49AM +1000, Alistair Francis wrote:
> >On Thu, Aug 29, 2024 at 3:49 AM Deepak Gupta wrote:
> >>
> >> zicfiss protects shadow stack using new page table encodings PTE.W=1,
> >> PTE.R=0 and PTE.X=0. This encoding
On Thu, Aug 29, 2024 at 09:29:49AM +1000, Alistair Francis wrote:
On Thu, Aug 29, 2024 at 3:49 AM Deepak Gupta wrote:
zicfiss protects shadow stack using new page table encodings PTE.W=1,
PTE.R=0 and PTE.X=0. This encoding is reserved if zicfiss is not
implemented or if shadow stack are not en
On Thu, Aug 29, 2024 at 3:49 AM Deepak Gupta wrote:
>
> zicfiss protects shadow stack using new page table encodings PTE.W=1,
> PTE.R=0 and PTE.X=0. This encoding is reserved if zicfiss is not
> implemented or if shadow stack are not enabled.
> Loads on shadow stack memory are allowed while stores
zicfiss protects shadow stack using new page table encodings PTE.W=1,
PTE.R=0 and PTE.X=0. This encoding is reserved if zicfiss is not
implemented or if shadow stack are not enabled.
Loads on shadow stack memory are allowed while stores to shadow stack
memory leads to access faults. Shadow stack ac
