linux-hardening - Re: [PATCH] netdev: Use flexible array for trailing private bytes

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Date: Wed, 6 Mar 2024 07:06:58 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Breno Leitao <leitao@...ian.org>, keescook@...omium.org
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Andy Shevchenko
 <andriy.shevchenko@...ux.intel.com>, "Gustavo A. R. Silva"
 <gustavoars@...nel.org>, netdev@...r.kernel.org,
 linux-hardening@...r.kernel.org, Simon Horman <horms@...nel.org>, Jiri
 Pirko <jiri@...nulli.us>, Daniel Borkmann <daniel@...earbox.net>, Coco Li
 <lixiaoyan@...gle.com>, Amritha Nambiar <amritha.nambiar@...el.com>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netdev: Use flexible array for trailing private bytes

On Wed, 6 Mar 2024 05:16:16 -0800 Breno Leitao wrote:
> I've been looking at some of these embedders as reported by Kees[1], and
> most of them are for dummy interfaces. I.e, they are basically used for
> schedule NAPI poll.
> 
> From that list[1], most of the driver matches with:
> 
> 	# git grep init_dummy_netdev
> 
> That said, do you think it is still worth cleaning up embedders for
> dummy net_devices?
> 
> [1] https://lore.kernel.org/all/202402281554.C1CEEF744@keescook/

Yes, I think so.
Kees, did you plan to send a v2? Otherwise I can put the cleanup on our
"public ToDo" list :)