From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 21 Mar 2003 12:07:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 21 Mar 2003 12:07:00 -0500 Received: from franka.aracnet.com ([216.99.193.44]:15765 "EHLO franka.aracnet.com") by vger.kernel.org with ESMTP id ; Fri, 21 Mar 2003 12:06:59 -0500 Date: Fri, 21 Mar 2003 09:17:58 -0800 From: "Martin J. Bligh" To: linux-kernel Subject: [Bug 482] New: slab error in check_poison_obj(): cache `task_struct': object was modified after freeing Message-ID: <335860000.1048267078@[10.10.2.4]> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org http://bugme.osdl.org/show_bug.cgi?id=482 Summary: slab error in check_poison_obj(): cache `task_struct': object was modified after freeing Kernel Version: 2.5.65 Status: NEW Severity: normal Owner: akpm@digeo.com Submitter: jochen@jochen.org Distribution: Debian Sarge Hardware Environment: IBM Thinkpad 600 Problem Description: The kernel log contains: ALSA sound/isa/cs423x/cs4236_lib.c:302: CS4236: [0x538] C1 (version) = 0xe8, ext = 0xe8 Slab corruption: start=c46acd60, expend=c46ad36f, problemat=c46acd68 Data: ********6A *************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************** *********************************************************************************************************************************************************************************************************************! *************************************************************************************************************************************************************************************************************************************************************************<7>eth0: no IPv6 routers present *****************************************************************************************************************************************************************************************************************************************************************************************************************A5 Next: 01 00 00 00 00 00 3C C4 04 00 00 00 00 00 00 00 00 00 00 00 FF FF FF FF 7B 00 00 00 78 00 00 00 slab error in check_poison_obj(): cache `task_struct': object was modified after freeing Call Trace: [] __slab_error+0x21/0x28 [] check_poison_obj+0x174/0x180 [] kmem_cache_alloc+0x8d/0x128 [] dup_task_struct+0x70/0xd0 [] dup_task_struct+0x70/0xd0 [] copy_process+0x99/0xb40 [] do_fork+0x7a/0x148 [] sys_fork+0x18/0x28 [] syscall_call+0x7/0xb Steps to reproduce: This is when booting the system; I've not yet rebooted and will try again.