On Sat, Feb 8, 2020 at 2:43 PM H.J. Lu wrote:
>
> Linux CET kernel places a restore token on shadow stack for signal
> handler to enhance security. The restore token is 8 byte and aligned
> to 8 bytes. It is usually transparent to user programs since kernel
> will pop the restore token when sign
Linux CET kernel places a restore token on shadow stack for signal
handler to enhance security. The restore token is 8 byte and aligned
to 8 bytes. It is usually transparent to user programs since kernel
will pop the restore token when signal handler returns. But when an
exception is thrown from
