To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Pekka Enberg <penberg@cs.helsinki.fi>,
       Vegard Nossum <vegard.nossum@gmail.com>,
       "Rafael J. Wysocki" <rjw@sisk.pl>,
       Andrew Morton <akpm@linux-foundation.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: tty_ldisc_try_get(): BUG kmalloc-8: Poison overwritten
References: <20090614081052.GA9276@elte.hu>
	<20090614115428.1127ed2d@lxorguk.ukuu.org.uk>
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Mon, 15 Jun 2009 10:10:05 +0100
In-Reply-To: <20090614115428.1127ed2d@lxorguk.ukuu.org.uk> (Alan Cox's message of "Sun\, 14 Jun 2009 11\:54\:28 +0100")
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Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Sun, 14 Jun 2009 10:10:52 +0200
> Ingo Molnar <mingo@elte.hu> wrote:
>> Ok, this is one for those who like to look at weird crashes/bugs.
>> 
>> Here's a new regression that popped up in this merge window, there's 
>> some sort of slab corruption going on in tty data structures:
>
> I split the ldisc and tty apart and redid the ldisc locking so its a fair
> bet I know what changeset is to blame, will just need to hunt it down a
> bit. kmemcheck found one leak case on Friday which I've fixed but not yet
> scribbles.

That was kmemleak :-).

-- 
Catalin
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