From: Xin Long <[email protected]>
Date: Sat, 30 Jul 2016 13:58:35 +0800
> sctp needs to queue auth chunk back when we know that we are going
> to generate another segment. But commit f1533cce60d1 ("sctp: fix
> panic when sending auth chunks") requeues the last chunk processed
> which is probably not the auth chunk.
>
> It causes panic when calculating the MAC in sctp_auth_calculate_hmac(),
> as the incorrect offset of the auth chunk in skb->data.
>
> This fix is to requeue it by using packet->auth.
>
> Fixes: f1533cce60d1 ("sctp: fix panic when sending auth chunks")
> Signed-off-by: Xin Long <[email protected]>
Applied.
