From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] ipv6: Prevent access to uninitialized fib_table_hash
 via /proc/net/ipv6_route
Date: Sat, 16 Jun 2012 01:13:30 -0700 (PDT)
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From: David Miller <davem@davemloft.net>
Date: Fri, 15 Jun 2012 22:15:02 -0700 (PDT)

> We will now initialize fib6_init() before ip6_net_route_net_ops is registerd.
> 
> This causes fib6_net_init() to run before net->ipv6.ip6_null_entry it
> initialized.
> 
> Any route lookup will crash when we dereference a root's ->leaf
> because it will be NULL.

I've decided to revert this change for now.