On 06/29, David Windsor wrote:
>
> Uprobe CALL emulation updates the normal user stack, but not the CET user
> shadow stack. The subsequent RET then sees a stale shadow stack entry and
> raises #CP.
>
> Update the relative CALL emulation and XOL CALL fixup paths to keep the
> shadow stack in sync.
>
> Fixes: 488af8ea7131 ("x86/shstk: Wire in shadow stack interface")
> Signed-off-by: David Windsor <[email protected]>Acked-by: Oleg Nesterov <[email protected]>
