From: Xin Long <lucien....@gmail.com>
Date: Fri, 24 Feb 2017 16:29:06 +0800
> Commit 5e1859fbcc3c ("ipv4: ipmr: various fixes and cleanups") fixed
> the issue for ipv4 ipmr:
>
> ip_mroute_setsockopt() & ip_mroute_getsockopt() should not
> access/set raw_sk(sk)->ipmr_table before making sure the socket
> is a raw socket, and protocol is IGMP
>
> The same fix should be done for ipv6 ipmr as well.
>
> This patch can fix the panic caused by overwriting the same offset
> as ipmr_table as in raw_sk(sk) when accessing other type's socket
> by ip_mroute_setsockopt().
>
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied and queued up for -stable, thanks.
