Re: [RFC PATCH v1 2/6] proc: Add allowlist to control access to procfs files

Andrew Morton <[email protected]> Wed, 25 Jan 2023 15:36:49 -0800

Newsgroups	dev.linux.lists.containers,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Wed, 25 Jan 2023 16:28:49 +0100 Alexey Gladkov <[email protected]> wrote:

> +config PROC_ALLOW_LIST
> +	bool "/proc/allowlist support"
> +	depends on PROC_FS
> +	default n
> +	help
> +	  Provides a way to restrict access to certain files in procfs. Mounting

I'd say "to restrict presence of files in procfs".

> +	  procfs with subset=allowlist will add the file /proc/allowlist which
> +	  contains a list of files and directories that should be accessed. To

s/accessed/present/

> +	  prevent the list from being changed, the file itself must be excluded.