netdev - Re: [PATCH 5/5] modules: only allow symbol_get of EXPORT_SYMBOL

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Message-ID: <ZMf5WN/2BGC4vYoy@kernel.org>
Date: Mon, 31 Jul 2023 20:11:36 +0200
From: Simon Horman <horms@...nel.org>
To: Christoph Hellwig <hch@....de>
Cc: Luis Chamberlain <mcgrof@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Ulf Hansson <ulf.hansson@...aro.org>, Yangbo Lu <yangbo.lu@....com>,
	Joshua Kinard <kumba@...too.org>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	linux-arm-kernel@...ts.infradead.org,
	open list <linux-kernel@...r.kernel.org>, linux-mmc@...r.kernel.org,
	netdev@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-modules@...r.kernel.org
Subject: Re: [PATCH 5/5] modules: only allow symbol_get of EXPORT_SYMBOL_GPL
 modules

On Mon, Jul 31, 2023 at 10:38:06AM +0200, Christoph Hellwig wrote:
> It has recently come to my attention that nvidia is circumventing the
> protection added in 262e6ae7081d ("modules: inherit
> TAINT_PROPRIETARY_MODULE") by importing exports from their propriertary
> modules into an allegedly GPL licensed module and then rexporting them.
> 
> Given that symbol_get was only ever inteded for tightly cooperating

nit: inteded -> intended

...