From: Patrick McHardy <kaber@trash.net>
Date: Fri, 30 Jun 2006 04:40:23 +0000 (-0700)
Subject: [NETFILTER]: SCTP conntrack: fix crash triggered by packet without chunks
X-Git-Tag: v2.6.18-rc1~252^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd7271feba61d5dc0fab1cb5365db9926d35ea3a;p=pandora-kernel.git

[NETFILTER]: SCTP conntrack: fix crash triggered by packet without chunks

When a packet without any chunks is received, the newconntrack variable
in sctp_packet contains an out of bounds value that is used to look up an
pointer from the array of timeouts, which is then dereferenced, resulting
in a crash. Make sure at least a single chunk is present.

Problem noticed by George A. Theall <theall@tenablesecurity.com>

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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