From: Simon Kirby <sim@hostway.ca>
To: Borislav Petkov <bp@alien8.de>, linux-kernel@vger.kernel.org
Subject: Re: [3.1-rc6] kmalloc(64) leak from IDE
Date: Mon, 26 Sep 2011 01:05:50 -0700 [thread overview]
Message-ID: <20110926080549.GA14697@hostway.ca> (raw)
In-Reply-To: <20110925085818.GA10947@liondog.tnic>
On Sun, Sep 25, 2011 at 10:58:18AM +0200, Borislav Petkov wrote:
> 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...
Ok, good. It's still running without any problem, and no new leaks
reported.
> > 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.
Do you know in which version the issue started, then?
If not, all I have to start with is that it was fine on 2.6.36, and I can
bisect it, if that would help.
Cheers,
Simon-
next prev parent reply other threads:[~2011-09-26 8:05 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
2011-09-26 8:05 ` Simon Kirby [this message]
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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