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(parent: a942a69) | patch
erspan: fix invalid erspan version.
authorWilliam Tu <u9012063@gmail.com>
Thu, 17 May 2018 00:24:32 +0000 (17:24 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 17 May 2018 19:48:49 +0000 (15:48 -0400)
commit196404aa42ebed1ddbc4d80031d9d817bad86e0a
tree762c9819fbfeba1bedcdd4eb815bdd3cff4230betree | snapshot
parenta942a69a7f10b1e7a9480cf1c6fc2f71e6f1e7a5commit | diff
erspan: fix invalid erspan version.

ERSPAN only support version 1 and 2.  When packets send to an
erspan device which does not have proper version number set,
drop the packet.  In real case, we observe multicast packets
sent to the erspan pernet device, erspan0, which does not have
erspan version configured.

Reported-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ip_gre.c diff | blob | history
net/ipv6/ip6_gre.c diff | blob | history
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