Subject: Re: [Patch net v3 0/2] l2tp: fix race conditions in l2tp_tunnel_register()

From: Tom Parkin <[email-masked]>
Date: Mon, 16 Jan 2023 11:38:44 +0000

On  Fri, Jan 13, 2023 at 19:01:35 -0800, Cong Wang wrote:
> From: Cong Wang <[email-masked]>
> 
> This patchset contains two patches, the first one is a preparation for
> the second one which is the actual fix. Please find more details in
> each patch description.
> 
> I have ran the l2tp test (https://github.com/katalix/l2tp-ktest),
> all test cases are passed.
> 
> ---
> v3: preserve EEXIST errno for user-space
> v2: move IDR allocation to l2tp_tunnel_register()
> 
> Cong Wang (2):
>   l2tp: convert l2tp_tunnel_list to idr
>   l2tp: close all race conditions in l2tp_tunnel_register()
> 
>  net/l2tp/l2tp_core.c | 105 +++++++++++++++++++++----------------------
>  1 file changed, 52 insertions(+), 53 deletions(-)
> 
> -- 
> 2.34.1
> 

Thanks Cong, this looks good to me now.

Reviewed-by: Tom Parkin <[email-masked]>