From: David Stevens <dlstevens@us.ibm.com>
Date: Sat, 3 Dec 2005 04:32:59 +0000 (-0800)
Subject: [IGMP]: workaround for IGMP v1/v2 bug
X-Git-Tag: v2.6.15-rc5~11^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24c6927505ca77ee4ac25fb31dcd56f6506979ed;p=pandora-kernel.git

[IGMP]: workaround for IGMP v1/v2 bug

From: David Stevens <dlstevens@us.ibm.com>

As explained at:

	http://www.cs.ucsb.edu/~krishna/igmp_dos/

With IGMP version 1 and 2 it is possible to inject a unicast
report to a client which will make it ignore multicast
reports sent later by the router.

The fix is to only accept the report if is was sent to a
multicast or unicast address.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

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