From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964813AbWGTG7h (ORCPT ); Thu, 20 Jul 2006 02:59:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964822AbWGTG7h (ORCPT ); Thu, 20 Jul 2006 02:59:37 -0400 Received: from rzcomm12.rz.tu-bs.de ([134.169.9.59]:31971 "EHLO rzcomm12.rz.tu-bs.de") by vger.kernel.org with ESMTP id S964813AbWGTG7g (ORCPT ); Thu, 20 Jul 2006 02:59:36 -0400 Message-ID: <44BF29CD.1000809@l4x.org> Date: Thu, 20 Jul 2006 08:59:25 +0200 From: Jan Dittmer User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: de-DE, de, en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: xfs-masters@oss.sgi.com, xfs@oss.sgi.com Subject: XFS Bug null pointer dereference in xfs_free_ag_extent Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Got the following oops from xfs. Afterwards lots of processes in D state, probably trying to read the partition in question. Kernel 2.6.18-rc2 [196027.687020] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000060 [196027.687216] printing eip: [196027.687273] c01acc00 [196027.687275] *pde = 00000000 [196027.687337] Oops: 0000 [#1] [196027.687395] SMP [196027.687458] Modules linked in: rfcomm l2cap bluetooth nfsd exportfs lockd nfs_acl sunrpc pppoe pppox ipv6 ppp_generic slhc twofish serpent aes blowfish sha256 crypto_null ipt_LOG ipt_recent ipt_TCPMSS xt_tcpmss xt_tcpudp xt_state iptable_filter ipt_MASQUERADE iptable_nat ip_tables x_tables dm_mod ip_nat_ftp ip_nat ip_conntrack_ftp ip_conntrack nfnetlink tun vfat fat loop lp eeprom i2c_dev i2c_isa usb_storage button processor ac e100 snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq cx88_dvb cx88_vp3054_i2c mt352 dvb_pll or51132 video_buf_dvb dvb_core nxt200x isl6421 zl10353 cx24123 lgdt330x cx22702 cx8802 snd_via82xx firmware_class snd_ac97_codec cx2341x snd_ac97_bus cx88xx snd_pcm_oss ir_common snd_mixer_oss video_buf tveeprom compat_ioctl32 snd_pcm snd_timer snd_page_alloc snd_mpu401_uart via_agp btcx_risc snd_rawmidi snd_seq_device videodev agpgart v4l1_compat snd ehci_hcd via_rhine v4l2_common uhci_hcd soundcore usbcore parport_pc parport floppy rtc [196027.690285] CPU: 0 [196027.690286] EIP: 0060:[] Not tainted VLI [196027.690288] EFLAGS: 00210293 (2.6.18-rc2-ds666-via #9) [196027.690545] EIP is at xfs_btree_init_cursor+0x2f/0x171 [196027.690645] eax: d42b3834 ebx: de835000 ecx: d42b3834 edx: 0000008c [196027.690771] esi: 00000000 edi: cb701038 ebp: 00000000 esp: cfb20c68 [196027.690896] ds: 007b es: 007b ss: 0068 [196027.690978] Process imap (pid: 14978, ti=cfb20000 task=d4d5a570 task.ti=cfb20000) [196027.691119] Stack: 00000000 00000017 cb701038 00000017 c0193c67 00000005 00000000 00000000 [196027.691389] 00000000 00000005 00000000 cb701038 cd848f04 de835000 0000007a 00000000 [196027.692097] 0004e1d8 df2e18e0 de835000 df2e18e0 c01c9645 00000000 00000017 cb701038 [196027.692805] Call Trace: [196027.693104] [] xfs_free_ag_extent+0x32/0x5e2 [196027.693445] [] xlog_grant_push_ail+0x30/0xfe [196027.693771] [] xfs_free_extent+0xbc/0xd9 [196027.694094] [] xfs_log_reserve+0x60/0x5a8 [196027.694436] [] xfs_efd_init+0x2f/0x5a [196027.694741] [] xfs_bmap_finish+0xe6/0x167 [196027.695070] [] xfs_rename+0x866/0xa33 [196027.695412] [] xfs_vn_rename+0x24/0x64 [196027.695707] [] mntput_no_expire+0x11/0x5d [196027.696029] [] link_path_walk+0xb3/0xbd [196027.696356] [] pagevec_lookup_tag+0x1b/0x22 [196027.696681] [] kstrdup+0x26/0x60 [196027.696993] [] vfs_rename+0x1b6/0x2ef [196027.697313] [] __lookup_hash+0x4a/0xc5 [196027.697632] [] sys_renameat+0x155/0x1b9 [196027.697961] [] pagevec_lookup_tag+0x1b/0x22 [196027.698281] [] wait_on_page_writeback_range+0xa6/0xf1 [196027.698637] [] xfs_file_fsync+0x3f/0x48 [196027.698953] [] sys_rename+0x11/0x15 [196027.699265] [] sysenter_past_esp+0x56/0x79 [196027.699600] Code: 89 d7 ba 01 00 00 00 56 53 89 c3 8b 74 24 18 a1 c8 86 4a c0 e8 2b 13 03 00 83 fe 02 89 c1 74 16 72 09 31 c0 83 fe 03 75 78 eb 51 <8b> 45 60 8b 44 b0 1c 0f c8 eb 6b 83 7c 24 20 00 75 09 8b 44 24 [196027.701445] EIP: [] xfs_btree_init_cursor+0x2f/0x171 SS:ESP 0068:cfb20c68 [196027.705801] Jan