linux-kernel - Re: [PATCH 1/1] jbd2: fix incorrect unlock on j_list

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Message-ID: <alpine.LFD.2.00.1503191313120.1399@localhost.localdomain>
Date:	Thu, 19 Mar 2015 13:13:39 +0100 (CET)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	Taesoo Kim <taesoo@...ech.edu>
cc:	Taesoo Kim <tsgatesv@...il.com>, tytso@....edu,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	changwoo@...ech.edu, sanidhya@...ech.edu, blee@...ech.edu,
	csong84@...ech.edu
Subject: Re: [PATCH 1/1] jbd2: fix incorrect unlock on j_list_lock

On Thu, 19 Mar 2015, Taesoo Kim wrote:

> Date: Thu, 19 Mar 2015 08:02:43 -0400
> From: Taesoo Kim <taesoo@...ech.edu>
> To: Lukáš Czerner <lczerner@...hat.com>
> Cc: Taesoo Kim <tsgatesv@...il.com>, tytso@....edu,
>     linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
>     changwoo@...ech.edu, sanidhya@...ech.edu, blee@...ech.edu,
>     csong84@...ech.edu
> Subject: Re: [PATCH 1/1] jbd2: fix incorrect unlock on j_list_lock
> 
> On 03/19/15 at 10:48am, Lukáš Czerner wrote:
> > On Wed, 18 Mar 2015, Taesoo Kim wrote:
> > 
> > > Date: Wed, 18 Mar 2015 13:39:31 -0400
> > > From: Taesoo Kim <taesoo@...ech.edu>
> > > To: Lukáš Czerner <lczerner@...hat.com>
> > > Cc: Taesoo Kim <tsgatesv@...il.com>, tytso@....edu,
> > >     linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
> > >     changwoo@...ech.edu, sanidhya@...ech.edu, blee@...ech.edu,
> > >     csong84@...ech.edu
> > > Subject: Re: [PATCH 1/1] jbd2: fix incorrect unlock on j_list_lock
> > > 
> > > > The patch looks good, thanks.
> > > 
> > > Thank you.
> > >  
> > > > Reviewed-by: Lukas Czerner <lczerner@...hat.com>
> > > > 
> > > > Btw, were you able to reproduce the problem, or have you seen the
> > > > problem in the wild ? Or did you just spot it in the code ?
> > > 
> > > We are developing a static checker to spot inconsistent programming
> > > patterns; our first goal is to scan over existing filesystems and
> > > figure out how they are implemented differently (or similarly). We
> > > will report bugs in sequence as soon as our team confirm (just start
> > > sending patches to other fs).
> > 
> > And this was found but it ?
> 
> Our current prototype.
>  
> > But anyway it sounds really interesting, do you have any more
> > information you can share about the project ? Project website,
> > description, or source code would be great :)
> 
> We need 1-2 months to wrap up. I would say, right after the deadline,
> we plan to make the code/result publicly available :)

Great! Looking forward to it.

Thanks!
-Lukas