From: Roel Kluin <roel.kluin@gmail.com>
Date: Tue, 24 Mar 2009 03:27:48 +0000 (+0000)
Subject: ctcm: avoid wraparound in length of incoming data
X-Git-Tag: v2.6.30-rc1~662^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb8585fc3f9b39153e0bdaf03f00a02dde9c03c6;p=pandora-kernel.git

ctcm: avoid wraparound in length of incoming data

Since the receive code should tolerate any incoming garbage, it
should be protected against a potential wraparound when manipulating
length values within incoming data.
block_len is unsigned, so a too large subtraction will cause a
wraparound.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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