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veth: Enforce minimum size of VETH_INFO_PEER
authorThomas Graf <tgraf@suug.ch>
Wed, 15 Feb 2012 04:09:46 +0000 (04:09 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 15 Feb 2012 19:59:20 +0000 (14:59 -0500)
commit237114384ab22c174ec4641e809f8e6cbcfce774
tree9571ac28f82724a140367ad754b4946a889f2b70tree | snapshot
parent78a5249fc9dc0f8c70221751dc79b6d918e5ee9acommit | diff
veth: Enforce minimum size of VETH_INFO_PEER

VETH_INFO_PEER carries struct ifinfomsg plus optional IFLA
attributes. A minimal size of sizeof(struct ifinfomsg) must be
enforced or we may risk accessing that struct beyond the limits
of the netlink message.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/veth.c diff | blob | history
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