From: YueHaibing <yuehaib...@huawei.com>
Date: Fri, 11 Oct 2019 17:46:53 +0800
> In nsim_fib_init(), if register_fib_notifier failed, nsim_fib_net_ops
> should be unregistered before return.
>
> In nsim_fib_exit(), unregister_fib_notifier should be called before
> nsim_fib_net_ops be unregistered, otherwise may cause use-after-free:
...
> Reported-by: Hulk Robot <hul...@huawei.com>
> Fixes: 59c84b9fcf42 ("netdevsim: Restore per-network namespace accounting for
> fib entries")
> Signed-off-by: YueHaibing <yuehaib...@huawei.com>
Applied and queued up for -stable.
