Re: [PATCH 1/1] l2tp: fix possible use-after-free

[Paolo Abeni]

On Fri, 2022-06-10 at 13:16 +0800, Xiaohui Zhang wrote:
> Similar to the handling of l2tp_tunnel_get in commit a622b40035d1
> ("l2ip: fix possible use-after-free"), we thought a patch might
> be needed here as well.
> 
> Before taking a refcount on a rcu protected structure,
> we need to make sure the refcount is not zero.
> 
> Signed-off-by: Xiaohui Zhang <xiaohuizhang@xxxxxxxxxx>

I'm sorry for the late, trivial feedback, but we need a Fixes: tag
here. Since you need to repost, please insert the target tree
explicitly into the email subj.

Thanks!

Paolo