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From: Borislav Petkov <bp@alien8.de>
To: Simon Kirby <sim@hostway.ca>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [3.1-rc6] kmalloc(64) leak from IDE
Date: Sun, 25 Sep 2011 10:58:18 +0200	[thread overview]
Message-ID: <20110925085818.GA10947@liondog.tnic> (raw)
In-Reply-To: <20110923173808.GB26481@hostway.ca>

On Fri, Sep 23, 2011 at 10:38:08AM -0700, Simon Kirby wrote:
> On Fri, Sep 23, 2011 at 09:21:18AM +0200, Borislav Petkov wrote:
> 
> > On Thu, Sep 22, 2011 at 01:23:37PM -0700, Simon Kirby wrote:
> > > Yes, that seems to have made it stop complaining about the IDE path.
> > 
> > Good, thanks for testing. It would be great if you left it running for
> > a couple of days like this to see whether there aren't any other issues
> > with the patch. I'll send it with a proper description to Dave soonish
> > since this is a real bug.
> 
> It has been up 22 hours now without breaking.

Good.

> I suppose you're worried about the old command being used after it
> gets reused.

Nah, we clear the old command before reusing it and when the request is
done, it gets freed, AFAICT, but...

> Would it help to bisect the regression to see how it used to work?
> That would let us know how many stable kernels to patch, too.

backporting it to -stable is a good point. I'll add the proper tagging
to the patch.

Thanks.

-- 
Regards/Gruss,
    Boris.

  reply	other threads:[~2011-09-25  8:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-22  7:26 [3.1-rc6] kmalloc(64) leak from IDE Simon Kirby
2011-09-22  8:48 ` Borislav Petkov
2011-09-22 20:23   ` Simon Kirby
2011-09-23  7:21     ` Borislav Petkov
2011-09-23 15:58       ` Bernd Schubert
2011-09-23 16:08         ` Bjorn Helgaas
2011-09-23 16:08           ` Bjorn Helgaas
2011-09-23 16:34           ` Bernd Schubert
2011-09-23 16:40             ` Bjorn Helgaas
2011-09-23 16:40               ` Bjorn Helgaas
2011-09-23 17:49               ` Bernd Schubert
2011-09-23 17:38       ` Simon Kirby
2011-09-25  8:58         ` Borislav Petkov [this message]
2011-09-26  8:05           ` Simon Kirby
2011-09-27 17:07             ` Borislav Petkov
2011-09-29  9:27               ` Borislav Petkov
2011-09-29 22:45                 ` Simon Kirby
2011-09-30  6:40                   ` Borislav Petkov

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