From: Wei Wang <wei...@google.com>
Date: Mon, 23 Oct 2017 14:59:35 -0700
> From: Wei Wang <wei...@google.com>
>
> In rt6_select(), fn->leaf could be pointing to net->ipv6.ip6_null_entry.
> In this case, we should directly return instead of trying to carry on
> with the rest of the process.
> If not, we could crash at:
> spin_lock_bh(&leaf->rt6i_table->rt6_lock);
> because net->ipv6.ip6_null_entry does not have rt6i_table set.
...
> Fixes: 66f5d6ce53e6 ("ipv6: replace rwlock with rcu and spinlock in
> fib6_table")
> Signed-off-by: Wei Wang <wei...@google.com>
> Acked-by: Eric Dumazet <eduma...@google.com>
Applied, thanks.
