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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 25 Feb 2013 20:52:24 -0500
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Subject: Re: mm: BUG in mempolicy's sp_insert
To: Sasha Levin <sasha.levin@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hughd@google.com>,
        Mel Gorman <mgorman@suse.de>, Dave Jones <davej@redhat.com>,
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On Mon, Feb 25, 2013 at 8:30 AM, Sasha Levin <sasha.levin@oracle.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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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 25 Feb 2013 20:52:24 -0500
Message-ID: <CAHGf_=rur29gFs9R9AYeDwnbVBm3b3cOfAn2xyi=mQ+ZbgzEDA@mail.gmail.com>
Subject: Re: mm: BUG in mempolicy's sp_insert
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To: Sasha Levin <sasha.levin@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>, Dave Jones <davej@redhat.com>, linux-mm <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>

On Mon, Feb 25, 2013 at 8:30 AM, Sasha Levin <sasha.levin@oracle.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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