linux-kernel - Re: NULL pointer dereference in sysfs

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Date:	Sun, 22 Oct 2006 14:11:02 -0400
From:	Dave Jones <davej@...hat.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Michael Buesch <mb@...sch.de>, Greg KH <gregkh@...e.de>,
	linux-kernel@...r.kernel.org
Subject: Re: NULL pointer dereference in sysfs_readdir

On Sun, Oct 22, 2006 at 11:08:58AM +0200, Stefan Richter wrote:

 > What if "next" became NULL afterwards? I know it's unlikely (but so is
 > the whole bug, given that we have just one reporter despite the bug's
 > age), but is it impossible? IOW does sysfs_readdir have any indirect
 > mutex protection?
 > 
 > Dave, do you patch sysfs datatypes in FC's kernel, or types they include?

Not that I recall. <linux/sysfs.h> is untouched in the trees I just
looked at (only have .18 ones handy right now)

	Dave

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