From d7bb74c38cb3de40600dcbba50a4f84df290dc91 Mon Sep 17 00:00:00 2001
From: Erik Hugne <erik.hugne@ericsson.com>
Date: Mon, 28 Apr 2014 08:20:09 +0200
Subject: [PATCH] tipc: fix out of bounds indexing

Commit 78acb1f9b898e85fa2c1e28e700b54b66b288e8d ("tipc: add
ioctl to fetch link names") introduced a buffer overflow bug where
specially crafted ioctl requests could cause out-of-bounds indexing
of the node->links array. This was caused by an incorrect check vs
MAX_BEARERS, and the static code checker complaint is:
net/tipc/node.c:459 tipc_node_get_linkname() error: buffer overflow 'node->links' 2 <= 2

Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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