linux-kernel - Re: net: nfc: BUG and panic in accept() on 3.5-rc2

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Date:	Mon, 11 Jun 2012 18:56:50 +0200
From:	Sasha Levin <levinsasha928@...il.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	lauro.venancio@...nbossa.org, aloisio.almeida@...nbossa.org,
	Dave Jones <davej@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>
Subject: Re: net: nfc: BUG and panic in accept() on 3.5-rc2

On Mon, 2012-06-11 at 17:20 +0200, Samuel Ortiz wrote:
> On Mon, Jun 11, 2012 at 04:59:38PM +0200, Eric Dumazet wrote:
> > On Mon, 2012-06-11 at 16:57 +0200, Samuel Ortiz wrote:
> > > Hi Eric,
> > > 
> > > On Mon, Jun 11, 2012 at 04:41:33PM +0200, Eric Dumazet wrote:
> > > > On Mon, 2012-06-11 at 16:41 +0200, Samuel Ortiz wrote:
> > > > > Hi Sasha,
> > > > > 
> > > > > On Mon, Jun 11, 2012 at 04:00:41PM +0200, Sasha Levin wrote:
> > > > > > Hi all,
> > > > > > 
> > > > > > I've stumbled on the following while fuzzing with trinity inside a KVM tools guest, running on 3.5-rc2:
> > > > > > 
> > > > > Thanks for the report, it could be worth adding this one to
> > > > > bugzilla.kernel.org.
> > > > > 
> > > > > What's trinity ?
> > > > > Also, if this one is reproducible, would you mind sharing some details about
> > > > > how we could reproduce it ?
> > > > 
> > > > Well, bugfix should be trivial enough ;)
> > > Yep, I looked at the code only after looking at Sasha's report.
> > > 
> > > Thanks for the patch, do you mind if I add your SOB to it ?
> > 
> > I  would prefer making sure it fixes the bug first ;)
> Sure, although your patch makes sense regardless of that :)
> I'll still wait for Sasha to confirm that it fixes his crash.

I don't have a direct way of reproducing it, but I've put it in the test
vm and the fuzzer is running, I'll let you know tomorrow if it happened
again.


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