linux-kernel - Re: mm: BUG in mempolicy's sp

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Message-ID: <CAHGf_=rur29gFs9R9AYeDwnbVBm3b3cOfAn2xyi=mQ+ZbgzEDA@mail.gmail.com>
Date:	Mon, 25 Feb 2013 20:52:24 -0500
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Dave Jones <davej@...hat.com>, linux-mm <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: mm: BUG in mempolicy's sp_insert

On Mon, Feb 25, 2013 at 8:30 AM, Sasha Levin <sasha.levin@...cle.com> wrote:
> Hi all,
>
> While fuzzing with trinity inside a KVM tools guest running latest -next kernel,
> I've stumbled on the following BUG:
>
> [13551.830090] ------------[ cut here ]------------
> [13551.830090] kernel BUG at mm/mempolicy.c:2187!
> [13551.830090] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC

Unfortunately, I didn't reproduce this. I'll try it tonight.
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