linux-kernel - Re: [patch] Race condition in usermodehelper.

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Message-Id: <1158340136.23993.25.camel@localhost>
Date:	Fri, 15 Sep 2006 19:08:56 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	torvalds@...l.org, gregkh@...e.de, bunk@...sta.de,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] Race condition in usermodehelper.

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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