From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753354AbaIIO0A (ORCPT ); Tue, 9 Sep 2014 10:26:00 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:30122 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751172AbaIIOZ7 (ORCPT ); Tue, 9 Sep 2014 10:25:59 -0400 Message-ID: <540F0DE7.2070609@oracle.com> Date: Tue, 09 Sep 2014 10:25:43 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: "linux-mm@kvack.org" CC: Andrew Morton , Joonsoo Kim , David Rientjes , liwanp@linux.vnet.ibm.com, Dave Jones , LKML Subject: mm: WARN at mm/vmalloc.c:130 vmap_page_range_noflush Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel, I've stumbled on the following spew: [ 1219.823164] WARNING: CPU: 19 PID: 9384 at mm/vmalloc.c:130 vmap_page_range_noflush+0x2f9/0x3b0() [ 1219.823170] Modules linked in: [ 1219.823178] CPU: 19 PID: 9384 Comm: trinity-c349 Not tainted 3.17.0-rc4-next-20140909-sasha-00032-gc16d47b #1131 [ 1219.823184] 0000000000000009 ffff8801bff47d60 ffffffffb24c5ec5 0000000000000000 [ 1219.823190] ffff8801bff47d98 ffffffffaf16e4fd ffffc90082000000 0000000000037600 [ 1219.823195] ffff880779badd70 ffffc90009527000 ffffc90081fae000 ffff8801bff47da8 [ 1219.823197] Call Trace: [ 1219.823211] dump_stack (lib/dump_stack.c:52) [ 1219.823225] warn_slowpath_common (kernel/panic.c:432) [ 1219.823232] warn_slowpath_null (kernel/panic.c:466) [ 1219.823237] vmap_page_range_noflush (mm/vmalloc.c:130 mm/vmalloc.c:149 mm/vmalloc.c:166 mm/vmalloc.c:191) [ 1219.823245] map_vm_area (mm/vmalloc.c:1281) [ 1219.823250] __vmalloc_node_range (mm/vmalloc.c:1605 mm/vmalloc.c:1649) [ 1219.823260] ? SyS_init_module (kernel/module.c:2500 kernel/module.c:3351 kernel/module.c:3338) [ 1219.823266] vmalloc (mm/vmalloc.c:1724) [ 1219.823271] ? SyS_init_module (kernel/module.c:2500 kernel/module.c:3351 kernel/module.c:3338) [ 1219.823276] SyS_init_module (kernel/module.c:2500 kernel/module.c:3351 kernel/module.c:3338) [ 1219.823285] tracesys (arch/x86/kernel/entry_64.S:542) Thanks, Sasha