Subject: Re: [patch] Race condition in usermodehelper.
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Reply-To: schwidefsky@de.ibm.com
To: Andrew Morton <akpm@osdl.org>
Cc: torvalds@osdl.org, gregkh@suse.de, bunk@stusta.de,
       linux-kernel@vger.kernel.org
In-Reply-To: <20060915092600.3046c511.akpm@osdl.org>
References: <20060915104654.GA31548@skybase>
	 <20060915092600.3046c511.akpm@osdl.org>
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Organization: IBM Corporation
Date: Fri, 15 Sep 2006 19:08:56 +0200
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On Fri, 2006-09-15 at 09:26 -0700, Andrew Morton wrote:
> > [patch] Race condition in usermodehelper.
>
> You mean three days work?

Unfortunately yes. You really have to hit the machine hard to provoke
this oops. All I had to work with was a dump that showed me the content
of the memory after it crashed.

> If so, I owe you a big apology, because an identical patch has been in -mm
> for over a month.  I guess I didn't appreciate its significance.

Well, I could have looked in -mm after the first suspicion that there is
something wrong with the kernel module loader. It would have saved me 2
of the 3 days.. will remember for the next debug session.

> Shall expedite.

Please do.

-- 
blue skies,
  Martin.

Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH

"Reality continues to ruin my life." - Calvin.


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