From: Basil Gunn
Date: Wed, 30 Nov 2016 11:15:25 -0800
> AX.25 uses sock_queue_rcv_skb() to queue an iframe received packet.
> This routine writes NULL to the socket buffer device structure
> pointer. The socket buffer is subsequently serviced by
> __netif_receiv_skb_core() which dereferences the
AX.25 uses sock_queue_rcv_skb() to queue an iframe received packet.
This routine writes NULL to the socket buffer device structure
pointer. The socket buffer is subsequently serviced by
__netif_receiv_skb_core() which dereferences the device structure
pointer & segfaults.
The fix puts the ax25 dev
