Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754505AbYFUT3A (ORCPT ); Sat, 21 Jun 2008 15:29:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751623AbYFUT2w (ORCPT ); Sat, 21 Jun 2008 15:28:52 -0400 Received: from ug-out-1314.google.com ([66.249.92.169]:31184 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751917AbYFUT2v (ORCPT ); Sat, 21 Jun 2008 15:28:51 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:to:subject:message-id:mime-version:content-type :content-disposition:in-reply-to:user-agent:from; b=oemsfwDE3PT29W8ijAVP+Q+34whdAsWT0Q4o3esPWI1KiQiI2zI3S26iZU7vSBAv98 YQjGqfqw48nr/0K1GOHeE/wBDqhfdTwgA3mVZjduVl/ahTTQpJadgg7GeO1o8Ucbp7mu cBVd22Ks9MLtVonqEETIWQ7RmQdX3LoETtAOY= Date: Sat, 21 Jun 2008 21:28:45 +0200 To: Pekka Enberg , linux-kernel@vger.kernel.org Subject: Re: v2.6.26-rc7: BUG task_struct: Poison overwritten Message-ID: <20080621192845.GB2992@damson.getinternet.no> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080621192400.GA2992@damson.getinternet.no> User-Agent: Mutt/1.5.17 (2007-11-01) From: Vegard Nossum Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2629 Lines: 51 Oops, seems there was another one a bit earlier (about 5 minutes) that I didn't notice. I don't think it helps that much, but here it is: ============================================================================= BUG task_struct: Poison overwritten ----------------------------------------------------------------------------- INFO: 0xf53ab018-0xf53ab02b. First byte 0x71 instead of 0x6b INFO: Allocated in copy_process+0x70/0x1090 age=110 cpu=1 pid=28664 INFO: Freed in free_task+0x2c/0x30 age=68 cpu=0 pid=28667 INFO: Slab 0xc1ba6cc0 objects=8 used=5 fp=0xf53aafd0 flags=0x400020c3 INFO: Object 0xf53aafd0 @offset=12240 fp=0xf53acfb0 Bytes b4 0xf53aafc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ Object 0xf53aafd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xf53aafe0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xf53aaff0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xf53ab000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xf53ab010: 6b 6b 6b 6b 6b 6b 6b 6b 71 19 6f be dd 07 00 00 kkkkkkkkq.o

... Object 0xf53ab020: 71 19 6f be 6b 6b 6b 6b 6a 6b 6b eb 6b 6b 6b 6b q.okkkkjkkkkkk Object 0xf53ab030: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xf53ab040: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Redzone 0xf53abf88: bb bb bb bb Padding 0xf53abfb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ Pid: 1326, comm: udevd Not tainted 2.6.26-rc7 #25 [] print_trailer+0xaa/0xe0 [] check_bytes_and_report+0x9b/0xc0 [] check_object+0x193/0x1f0 [] __slab_alloc+0x44b/0x5d0 [] kmem_cache_alloc+0xb3/0xe0 [] ? copy_process+0x70/0x1090 [] ? copy_process+0x70/0x1090 [] copy_process+0x70/0x1090 [] ? remove_vma+0x49/0x60 [] do_fork+0x57/0x280 [] ? do_munmap+0x18a/0x1f0 [] ? sys_munmap+0x46/0x60 [] sys_clone+0x2f/0x40 [] sysenter_past_esp+0x78/0xd1 ======================= FIX task_struct: Restoring 0xf53ab018-0xf53ab02b=0x6b FIX task_struct: Marking all objects used -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/