Since seccomp transitions between threads requires updates to the
no_new_privs flag to be atomic, the flag must be part of an atomic flag
set. This moves the nnp flag into a separate task field, and introduces
accessors.
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Oleg Nesterov <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>