From: Wei Wang
Date: Fri, 18 Aug 2017 17:14:49 -0700
> From: Wei Wang
>
> In fib6_add(), it is possible that fib6_add_1() picks an intermediate
> node and sets the node's fn->leaf to NULL in order to add this new
> route. However, if fib6_add_rt2node() fails to add the new
> route for some reas
From: Wei Wang
In fib6_add(), it is possible that fib6_add_1() picks an intermediate
node and sets the node's fn->leaf to NULL in order to add this new
route. However, if fib6_add_rt2node() fails to add the new
route for some reason, fn->leaf will be left as NULL and could
potentially cause crash
