From: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com> Date: Sat, 23 Jul 2016 00:33:44 -0300
> The head skb for GSO packets won't travel through the inner depths of > SCTP stack as it doesn't contain any chunks on it. That means skb->sk > doesn't get set and then when sctp_recvmsg() calls > sctp_inet6_skb_msgname() on the head_skb it panics, as this last needs > to check flags at the socket (sp->v4mapped). > > The fix is to initialize skb->sk for th head skb once we are able to do > it. That is, when the first chunk is processed. > > Signed-off-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com> Applied.