From: Willem de Bruijn <willemb@google.com>
Date: Wed, 19 Nov 2014 18:10:16 +0000 (-0500)
Subject: packet: make packet_snd fail on len smaller than l2 header
X-Git-Tag: omap-for-v3.19/fixes-rc1~125^2~152
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c7077622dd917457ced680a23b7f175769471d9;p=pandora-kernel.git

packet: make packet_snd fail on len smaller than l2 header

When sending packets out with PF_PACKET, SOCK_RAW, ensure that the
packet is at least as long as the device's expected link layer header.
This check already exists in tpacket_snd, but not in packet_snd.
Also rate limit the warning in tpacket_snd.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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