linux-kernel - Re: [PATCH] Security/sysfs: Enable security xattrs to be set on sysfs files, directories, and symlinks.

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Message-ID: <20090714175007.GA9428@suse.de>
Date:	Tue, 14 Jul 2009 10:50:07 -0700
From:	Greg KH <gregkh@...e.de>
To:	"David P. Quigley" <dpquigl@...ho.nsa.gov>
Cc:	jmorris@...ei.org, sds@...ho.nsa.gov, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH] Security/sysfs: Enable security xattrs to be set on
 sysfs files, directories, and symlinks.

On Tue, Jul 14, 2009 at 12:37:39PM -0400, David P. Quigley wrote:
> So, I've been looking through the sysfs code and I can't find a
> reference to netlink in there. I am assuming that it is other parts of
> the kernel which make use of netlink which are calling the sysfs_*
> functions. Any suggestions for where to look on how this is being used
> and what the important users are?

The netlink messages are coming from the kobject uevent code, look in
lib/kobject_uevent.c for the code that creates and sends them out.  This
happens for every sysfs directory that is created that corresponds with
a kobject.

thanks,

greg k-h
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