From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Beregalov Subject: 2.6.32.6: OCFS2: NULL pointer dereference Date: Tue, 26 Jan 2010 16:42:15 +0300 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 To: Mark Fasheh , Joel Becker , ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org Return-path: Received: from ey-out-2122.google.com ([74.125.78.25]:31669 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753536Ab0AZNtw (ORCPT ); Tue, 26 Jan 2010 08:49:52 -0500 Received: by ey-out-2122.google.com with SMTP id d26so1214369eyd.19 for ; Tue, 26 Jan 2010 05:49:51 -0800 (PST) Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Hi Host is x86_32 SMP. Trying to mount AoE exported block device: (mkfs.ocfs2 -N 30 -T mail /dev/..) OCFS2 Node Manager 1.5.0 OCFS2 DLM 1.5.0 ocfs2: Registered cluster interface o2cb OCFS2 DLMFS 1.5.0 OCFS2 User DLM kernel interface loaded OCFS2 1.5.0 ocfs2_dlm: Nodes in domain (C987785CC2BE4476BBD74BB02A853654): 22 JBD: Ignoring recovery information on journal ocfs2: Mounting device (152,5632) on (node 22, slot 1) with ordered data mode. (10881,0):ocfs2_replay_journal:1607 Recovering node 7 from slot 0 on device (152,5632) BUG: unable to handle kernel NULL pointer dereference at 0000001f IP: [] ocfs2_update_disk_slot_old+0x11/0x4c [ocfs2] *pde = 00000000 Oops: 0000 [#1] SMP last sysfs file: /sys/fs/o2cb/interface_revision Modules linked in: ocfs2 jbd2 quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs aoe dm_mirror dm_region_hash dm_log dm_multipath ohci_hcd usbcore nls_base tg3 libphy [last unloaded: microcode] Pid: 10881, comm: ocfs2rec Not tainted (2.6.32.6 #1) eserver xSeries 335 -[8676L1X]- EIP: 0060:[] EFLAGS: 00010297 CPU: 0 EIP is at ocfs2_update_disk_slot_old+0x11/0x4c [ocfs2] EAX: 00000007 EBX: f5be1800 ECX: f6896fd8 EDX: 00000000 ESI: f5be1800 EDI: f6a95f08 EBP: 00000000 ESP: f6a95edc DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Process ocfs2rec (pid: 10881, ti=f6a94000 task=f5bf06e0 task.ti=f6a94000) Stack: f65bc800 f5be1800 00000000 f8f4a200 e4b5c0c0 f6a95f3c f5ec4b08 f279c800 <0> 00000007 f5f89080 f5ec4008 f8f4a56a 00000000 00000007 f65bc800 f8f2b3e2 <0> f65bc9c4 00000000 f8f124c4 00000000 00000000 00000000 00000001 00000016 Call Trace: [] ? ocfs2_update_disk_slot+0x5d/0x109 [ocfs2] [] ? ocfs2_clear_slot+0x22/0x3d [ocfs2] [] ? ocfs2_recover_node+0x91/0x49e [ocfs2] [] ? ocfs2_super_lock+0x9f/0x481 [ocfs2] [] ? __ocfs2_recovery_thread+0x181/0x87e [ocfs2] [] ? schedule+0x1b1/0x4b1 [] ? __wake_up_common+0x3a/0x66 [] ? __ocfs2_recovery_thread+0x0/0x87e [ocfs2] [] ? complete+0x37/0x46 [] ? __ocfs2_recovery_thread+0x0/0x87e [ocfs2] [] ? kthread+0x68/0x6d [] ? kthread+0x0/0x6d [] ? kernel_thread_helper+0x7/0x18 Code: 04 89 44 fe 04 8b 43 10 8b 04 88 89 45 00 83 c4 04 5b 5e 5f 5d c3 0f 0b eb fe 57 31 d2 89 cf 56 53 89 c3 8b 48 10 3b 53 14 8b 01 <8b> 70 18 3e 72 12 eb 2b 8b 44 d0 04 66 89 04 56 83 c2 01 3b 53 EIP: [] ocfs2_update_disk_slot_old+0x11/0x4c [ocfs2] SS:ESP 0068:f6a95edc CR2: 000000000000001f