Paolo Abeni 22f0708a71 vxlan: fix oops in dev_fill_metadata_dst ... Since the commit 0c1d70af92 ("net: use dst_cache for vxlan device") vxlan_fill_metadata_dst() calls vxlan_get_route() passing a NULL dst_cache pointer, so the latter should explicitly check for valid dst_cache ptr. Unfortunately the commit d71785ffc7 ("net: add dst_cache to ovs vxlan lwtunnel") removed said check. As a result is possible to trigger a null pointer access calling vxlan_fill_metadata_dst(), e.g. with: ovs-vsctl add-br ovs-br0 ovs-vsctl add-port ovs-br0 vxlan0 -- set interface vxlan0 \ type=vxlan options:remote_ip=192.168.1.1 \ options:key=1234 options:dst_port=4789 ofport_request=10 ip address add dev ovs-br0 172.16.1.2/24 ovs-vsctl set Bridge ovs-br0 ipfix=@i -- --id=@i create IPFIX \ targets=\"172.16.1.1:1234\" sampling=1 iperf -c 172.16.1.1 -u -l 1000 -b 10M -t 1 -p 1234 This commit addresses the issue passing to vxlan_get_route() the dst_cache already available into the lwt info processed by vxlan_fill_metadata_dst(). Fixes: d71785ffc7 ("net: add dst_cache to ovs vxlan lwtunnel") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2017-02-17 15:32:06 -05:00
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ethernet	dpaa_eth: small leak on error	2017-02-17 12:18:43 -05:00
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hamradio	NET: mkiss: Fix panic	2017-02-10 13:41:13 -05:00
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hyperv	…
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phy	net: phy: Initialize mdio clock at probe function	2017-02-09 17:10:23 -05:00
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usb	sierra_net: Skip validating irrelevant fields for IDLE LSIs	2017-02-09 16:41:43 -05:00
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xen-netback	xen-netback: vif counters from int/long to u64	2017-02-13 21:49:53 -05:00
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loopback.c	net: introduce device min_header_len	2017-02-08 13:56:37 -05:00
macsec.c	…
macvlan.c	…
macvtap.c	macvtap: read vnet_hdr_size once	2017-02-06 22:41:27 -05:00
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netconsole.c	…
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tun.c	tun: read vnet_hdr_sz once	2017-02-06 22:41:27 -05:00
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vxlan.c	vxlan: fix oops in dev_fill_metadata_dst	2017-02-17 15:32:06 -05:00
xen-netfront.c	xen-netfront: Delete rx_refill_timer in xennet_disconnect_backend()	2017-02-10 13:44:49 -05:00