From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753511Ab1L0TsR (ORCPT ); Tue, 27 Dec 2011 14:48:17 -0500 Received: from mail2.charite.de ([141.42.206.200]:56776 "EHLO mail2.charite.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753020Ab1L0TsP (ORCPT ); Tue, 27 Dec 2011 14:48:15 -0500 Date: Tue, 27 Dec 2011 20:48:13 +0100 From: Ralf Hildebrandt To: linux-kernel@vger.kernel.org Subject: regression in 3.2-rc7 (kernel tried to execute NX-protected page) Message-ID: <20111227194813.GR31759@charite.de> Mail-Followup-To: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org from dmesg after booting today's git checkout: ... [ 6.366980] hpwdt: New timer passed in is 30 seconds. [ 6.367040] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 6.367113] BUG: unable to handle kernel paging request at c00f0000 [ 6.367232] IP: [] 0xc00effff [ 6.367318] *pdpt = 00000000013b1001 *pde = 00000000013de067 *pte = 80000000000f0163 [ 6.367486] Oops: 0011 [#1] SMP [ 6.367600] Modules linked in: hpwdt(+) bnx2(+) psmouse container thermal button processor [ 6.367927] [ 6.367976] Pid: 669, comm: modprobe Not tainted 3.2.0-rc7+ #17 HP ProLiant DL360 G5 [ 6.368002] EIP: 0060:[] EFLAGS: 00010286 CPU: 1 [ 6.368002] EIP is at 0xc00f0000 [ 6.368002] EAX: 55524324 EBX: 00000000 ECX: 00000000 EDX: 00000000 [ 6.368002] ESI: 00000000 EDI: 00000000 EBP: f0783dd8 ESP: f0783da8 [ 6.368002] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 6.368002] Process modprobe (pid: 669, ti=f0782000 task=f009db20 task.ti=f0782000) [ 6.368002] Stack: [ 6.368002] f8426020 00000060 ffff007b 00000286 c00ffee0 ffffffed f0783dd8 f0783dd8 [ 6.368002] c00f0000 00000001 00000000 c00f0000 f2cdbc00 f8426558 f8428100 c00f0000 [ 6.368002] f2c30564 ffffffff f8428030 000f0000 000f0000 f2cfcea0 c0100000 c00f0000 [ 6.368002] Call Trace: [ 6.368002] [] ? asminline_call+0x20/0x46 [hpwdt] [ 6.368002] [] ? hpwdt_init_one+0x1a7/0x3c0 [hpwdt] [ 6.368002] [] ? pci_device_probe+0x47/0x68 [ 6.368002] [] ? driver_probe_device+0x4a/0x13a [ 6.368002] [] ? pci_match_device+0xf/0x8a [ 6.368002] [] ? __driver_attach+0x62/0x64 [ 6.368002] [] ? driver_probe_device+0x13a/0x13a [ 6.368002] [] ? bus_for_each_dev+0x3e/0x62 [ 6.368002] [] ? pci_dev_put+0xd/0xd [ 6.368002] [] ? driver_attach+0x19/0x1e [ 6.368002] [] ? driver_probe_device+0x13a/0x13a [ 6.368002] [] ? bus_add_driver+0x17d/0x24d [ 6.368002] [] ? pci_dev_put+0xd/0xd [ 6.368002] [] ? driver_register+0x57/0xec [ 6.368002] [] ? __pci_register_driver+0x31/0x92 [ 6.368002] [] ? do_one_initcall+0x27/0x150 [ 6.368002] [] ? set_memory_nx+0x57/0x5b [ 6.368002] [] ? 0xf842afff [ 6.368002] [] ? sys_init_module+0xdff/0x1a14 [ 6.368002] [] ? sysenter_do_call+0x12/0x26 [ 6.368002] Code: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <90> 90 80 fc d8 75 0d e9 da 06 00 00 69 04 00 00 ad 04 00 00 9c [ 6.368002] EIP: [] 0xc00f0000 SS:ESP 0068:f0783da8 [ 6.368002] CR2: 00000000c00f0000 [ 6.368002] ---[ end trace 865af1d8b782ff50 ]--- [ 6.487054] bnx2 0000:03:00.0: BAR 0: set to [mem 0xf8000000-0xf9ffffff 64bit] (PCI address [0xf8000000-0xf9ffffff]) ... -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebrandt@charite.de | http://www.charite.de