From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760062Ab3BZBwp (ORCPT ); Mon, 25 Feb 2013 20:52:45 -0500 Received: from mail-oa0-f49.google.com ([209.85.219.49]:48202 "EHLO mail-oa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755556Ab3BZBwo (ORCPT ); Mon, 25 Feb 2013 20:52:44 -0500 MIME-Version: 1.0 In-Reply-To: <512B677D.1040501@oracle.com> References: <512B677D.1040501@oracle.com> From: KOSAKI Motohiro Date: Mon, 25 Feb 2013 20:52:24 -0500 X-Google-Sender-Auth: 4WCNAUq78g4NA_agI_ZvVUqrxfY Message-ID: Subject: Re: mm: BUG in mempolicy's sp_insert To: Sasha Levin Cc: Andrew Morton , Hugh Dickins , Mel Gorman , Dave Jones , linux-mm , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 25, 2013 at 8:30 AM, Sasha Levin 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.