linux-kernel - Re: [PATCH] vsprintf: Prevent NULL dereference using %pNF

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Message-ID: <1326826273.17202.11.camel@joe2Laptop>
Date:	Tue, 17 Jan 2012 10:51:13 -0800
From:	Joe Perches <joe@...ches.com>
To:	David Miller <davem@...emloft.net>
Cc:	mirq-linux@...e.qmqm.pl, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] vsprintf: Prevent NULL dereference using %pNF

On Tue, 2012-01-17 at 13:46 -0500, David Miller wrote:
> From: Joe Perches <joe@...ches.com>
> Date: Tue, 17 Jan 2012 10:37:13 -0800
> > Passing NULL to %pNF is done in skb_gso_segment
> > which could be dereferenced.
> skb_gso_segment() should be fixed instead.

Maybe.  Dereferencing NULL is bad form.
Michał Mirosław should fix that as it's his patch.

noinline_for_stack should be added anyway.


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