linux-kernel - Re: [PATCH] kmod: prevent kmod_loop_msg overflow in __request

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Message-ID: <87zkhhhap3.fsf@rustcorp.com.au>
Date:	Tue, 04 Oct 2011 10:47:28 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Jiri Kosina <jkosina@...e.cz>, Andrew Morton <akpm00@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] kmod: prevent kmod_loop_msg overflow in __request_module()

On Fri, 30 Sep 2011 00:18:17 +0200 (CEST), Jiri Kosina <jkosina@...e.cz> wrote:
> On Thu, 29 Sep 2011, Andrew Morton wrote:
> > Well, it will take two billion passes through here to cause the
> > overflow.  I really hope you found this problem by inspection!
> 
> Unfortunately not, it was more painful experience than code reading :)

Cool!

Changing it to unsigned would have helped too.  But I've applied
this....

Thanks,
Rusty.
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