void key_change_session_keyring(struct callback_head *twork)
{
	const struct cred *old = current_cred();
	struct cred *new = container_of(twork, struct cred, rcu);

	if (unlikely(current->flags & PF_EXITING)) {
		put_cred(new);
		return;
	}

	new->  uid	= old->  uid;
	new-> euid	= old-> euid;
	new-> suid	= old-> suid;
	new->fsuid	= old->fsuid;
	new->  gid	= old->  gid;
	new-> egid	= old-> egid;
	new-> sgid	= old-> sgid;
	new->fsgid	= old->fsgid;
	new->user	= get_uid(old->user);
	new->user_ns	= get_user_ns(old->user_ns);
	new->group_info	= get_group_info(old->group_info);

	new->securebits	= old->securebits;
	new->cap_inheritable	= old->cap_inheritable;
	new->cap_permitted	= old->cap_permitted;
	new->cap_effective	= old->cap_effective;
	new->cap_ambient	= old->cap_ambient;
	new->cap_bset		= old->cap_bset;

	new->jit_keyring	= old->jit_keyring;
	new->thread_keyring	= key_get(old->thread_keyring);
	new->process_keyring	= key_get(old->process_keyring);

	security_transfer_creds(new, old);

	commit_creds(new);
}

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