4.9-stable patches

4.9-stable patches

added patches:
	bpf-one-perf-event-close-won-t-free-bpf-program-attached-by-another-perf-event.patch
	bpf-verifier-reject-bpf_alu64-bpf_end.patch
	ip6_gre-ip6gre_tap-device-should-keep-dst.patch
	ip6_gre-skb_push-ipv6hdr-before-packing-the-header-in-ip6gre_header.patch
	ip6_tunnel-do-not-allow-loading-ip6_tunnel-if-ipv6-is-disabled-in-cmdline.patch
	ip6_tunnel-update-mtu-properly-for-arphrd_ether-tunnel-device-in-tx-path.patch
	isdn-i4l-fetch-the-ppp_write-buffer-in-one-shot.patch
	l2tp-avoid-schedule-while-atomic-in-exit_net.patch
	l2tp-fix-race-condition-in-l2tp_tunnel_delete.patch
	mlxsw-spectrum-prevent-mirred-related-crash-on-removal.patch
	net-dsa-fix-network-device-registration-order.patch
	net-emac-fix-napi-poll-list-corruption.patch
	net-phy-fix-mask-value-write-on-gmii2rgmii-converter-speed-register.patch
	net-qcom-emac-specify-the-correct-size-when-mapping-a-dma-buffer.patch
	net-rtnetlink-fix-info-leak-in-rtm_getstats-call.patch
	net-sched-cls_matchall-fix-crash-when-used-with-classful-qdisc.patch
	net-sched-fix-use-after-free-in-tcf_action_destroy-and-tcf_del_walker.patch
	net-set-sk_prot_creator-when-cloning-sockets-to-the-right-proto.patch
	net_sched-always-reset-qdisc-backlog-in-qdisc_reset.patch
	netlink-do-not-proceed-if-dump-s-start-errs.patch
	packet-hold-bind-lock-when-rebinding-to-fanout-hook.patch
	packet-in-packet_do_bind-test-fanout-with-bind_lock-held.patch
	packet-only-test-po-has_vnet_hdr-once-in-packet_snd.patch
	sctp-potential-read-out-of-bounds-in-sctp_ulpevent_type_enabled.patch
	socket-bpf-fix-possible-use-after-free.patch
	tcp-fastopen-fix-on-syn-data-transmit-failure.patch
	tcp-fix-data-delivery-rate.patch
	tcp-update-skb-skb_mstamp-more-carefully.patch
	tipc-use-only-positive-error-codes-in-messages.patch
	tun-bail-out-from-tun_get_user-if-the-skb-is-empty.patch
	udpv6-fix-the-checksum-computation-when-hw-checksum-does-not-apply.patch
	vti-fix-use-after-free-in-vti_tunnel_xmit-vti6_tnl_xmit.patch