linux-kernel - Re: [PATCH] futex: Prevent pi_state from double freeing in case of error

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Message-ID: <20151220052134.GI7244@malice.jf.intel.com>
Date:	Sat, 19 Dec 2015 21:21:34 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Davidlohr Bueso <dave@...olabs.net>,
	Bhuvanesh_Surachari@...tor.com,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux@...musvillemoes.dk, viresh.kumar@...aro.org,
	luto@...capital.net, Sebastian Sewior <bigeasy@...utronix.de>,
	mtk.manpages@...il.com, LKML <linux-kernel@...r.kernel.org>,
	Andy Lowe <Andy_Lowe@...tor.com>
Subject: Re: [PATCH] futex: Prevent pi_state from double freeing in case of
 error

On Sat, Dec 19, 2015 at 07:24:38PM +0100, Thomas Gleixner wrote:
>  - Why are the reviews so sloppy and useless?
> 
>    The one I'm answering to is just hillarious and the other one picks
>    a random commit, claims that it inadvertantly introduced the issue
>    and is done with it. Really helpful.
> 
> Folks, this is not the way it works. It took me a couple of hours to
> get this analyzed properly, but I don't see that anyone involved in
> this thread has spent more than a few seconds on it.
> 
> At least I found a real issue related to this refcount stuff, but I
> would have preferred that the people involved in this would have found
> it in the first place instead of providing half baken crap.
> 
> Yours grumpy
> 
>       tglx

More care was clearly warranted on my part. I thought I saw the connection with
the previous commit I referenced (it wasn't random!), but clearly didn't dig
deep enough.

My apologies,

-- 
Darren Hart
Intel Open Source Technology Center
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