New: kernel BUG at fs/jbd2/journal.c:1108
http://bugzilla.kernel.org/show_bug.cgi?id=12370
Summary: kernel BUG at fs/jbd2/journal.c:1108
Product: File System
Version: 2.5
KernelVersion: 2.6.28
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext4
AssignedTo: [email protected]
ReportedBy: [email protected]
Latest working kernel version: none
Earliest failing kernel version: unkwown
Distribution: ubuntu
Hardware Environment: dell optiplex 740
Software Environment:
Problem Description:
on mounting a specially crafted ext4 image the kernel oops, mount command gives me a seg fault.
Steps to reproduce:
Mount the image provided with the following command:
mount -t ext4 -o loop ext4.212.img /media/tmp
Regards,
David Maciejak
Fortinet's FortiGuard Global Security Research Team
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[Bug 12370] kernel BUG at fs/jbd2/journal.c:1108
http://bugzilla.kernel.org/show_bug.cgi?id=12370
------- Comment #1 from [email protected] 2009-01-06 03:15 ------- Created an attachment (id=19673)
--> (http://bugzilla.kernel.org/attachment.cgi?id=19673&action=view)
img poc
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[Bug 12370] kernel BUG at fs/jbd2/journal.c:1108
In reply to [email protected]http://bugzilla.kernel.org/show_bug.cgi?id=12370
------- Comment #2 from [email protected] 2009-01-06 03:16 -------
Jan 6 12:09:53 koma-lab kernel: [ 127.546104] ------------[ cut here ]------------ Jan 6 12:09:53 koma-lab kernel: [ 127.546108] kernel BUG at fs/jbd2/journal.c:1108! Jan 6 12:09:53 koma-lab kernel: [ 127.546113] invalid opcode: 0000 [#1] SMP Jan 6 12:09:53 koma-lab kernel: [ 127.546119] last sysfs file: /sys/block/loop7/dev Jan 6 12:09:53 koma-lab kernel: [ 127.546125] Dumping ftrace buffer: Jan 6 12:09:53 koma-lab kernel: [ 127.546130] (ftrace buffer empty) Jan 6 12:09:53 koma-lab kernel: [ 127.546134] Modules linked in: loop
af_packet isofs udf crc_itu_t binfmt_misc ipv6 powernow_k8 cpufreq_userspace cpufreq_stats cpufreq_ondemand freq_table cpufreq_powersave cpufreq_conservative wmi video output container sbs sbshc ac pci_slot battery hid_dell hid_pl hid_cypress hid_gyration hid_bright hid_sony hid_samsung hid_microsoft hid_monterey hid_ezkey hid_apple hid_a4tech hid_logitech usbhid hid_cherry hid_sunplus hid_petalynx hid_belkin hid_chicony hid fuse sg sr_mod cdrom ohci_hcd ehci_hcd tg3 serio_raw k8temp libphy i2c_nforce2 usbcore i2c_core shpchp pci_hotplug button dcdbas sd_mod crc_t10dif ata_generic sata_nv pata_acpi libata evdev thermal processor fan fbcon tileblit font bitblit softcursor
Jan 6 12:09:53 koma-lab kernel: [ 127.546230] Jan 6 12:09:53 koma-lab kernel: [ 127.546237] Pid: 4231, comm: mount Not tainted (2.6.28 #1) OptiPlex 740 Jan 6 12:09:53 koma-lab kernel: [ 127.546242] EIP: 0060:[<c0270fb9>] EFLAGS: 00210246 CPU: 1 Jan 6 12:09:53 koma-lab kernel: [ 127.546257] EIP is at jbd2_journal_init_inode+0x159/0x180 Jan 6 12:09:53 koma-lab kernel: [ 127.546262] EAX: 00000000 EBX: ec616c00 ECX: ffffffff EDX: 010cd000 Jan 6 12:09:53 koma-lab kernel: [ 127.546267] ESI: ec616cb4 EDI: ead34094 EBP: ec4ffd58 ESP: ec4ffd38 Jan 6 12:09:53 koma-lab kernel: [ 127.546272] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Jan 6 12:09:53 koma-lab kernel: [ 127.546278] Process mount (pid: 4231, ti=ec4fe000 task=f4d73240 task.ti=ec4fe000) Jan 6 12:09:53 koma-lab kernel: [ 127.546282] Stack: Jan 6 12:09:53 koma-lab kernel: [ 127.546285] 00000800 c055340a 00000008 00000013 0000c500 ead34094 ec616600 ec616600 Jan 6 12:09:53 koma-lab kernel: [ 127.546297] ec4ffd70 c024c9f1 ec6780cc 00000000 00000008 ec616600 ec4ffe9c c0250ba2 Jan 6 12:09:53 koma-lab kernel: [ 127.546309] 00000800 ec678064 00000000 00000000 ec4ffdd0 00000029 00000000 ffffffff Jan 6 12:09:53 koma-lab kernel: [ 127.546322] Call Trace: Jan 6 12:09:53 koma-lab kernel: [ 127.546326] [<c024c9f1>] ? ext4_get_journal+0x41/0xd0 Jan 6 12:09:53 koma-lab kernel: [ 127.546337] [<c0250ba2>] ? ext4_fill_super+0x1542/0x2400 Jan 6 12:09:53 koma-lab kernel: [ 127.546348] [<c03490c0>] ? exact_match+0x0/0x10 Jan 6 12:09:53 koma-lab kernel: [ 127.546357] [<c047db1b>] ? mutex_lock+0xb/0x20 Jan 6 12:09:53 koma-lab kernel: [ 127.546367] [<c01ef549>] ? disk_name+0x39/0xc0 Jan 6 12:09:53 koma-lab kernel: [ 127.546374] [<c01aef02>] ? get_sb_bdev+0x112/0x140 Jan 6 12:09:53 koma-lab kernel: [ 127.546384] [<c018d145>] ? kstrdup+0x35/0x60 Jan 6 12:09:53 koma-lab kernel: [ 127.546391] [<c024c771>] ? ext4_get_sb+0x21/0x30 Jan 6 12:09:53 koma-lab kernel: [ 127.546398] [<c024f660>] ? ext4_fill_super+0x0/0x2400 Jan 6 12:09:53 koma-lab kernel: [ 127.546405] [<c01ae3c8>] ? vfs_kern_mount+0x58/0x120 Jan 6 12:09:53 koma-lab kernel: [ 127.546413] [<c01ae4e9>] ? do_kern_mount+0x39/0xd0 Jan 6 12:09:53 koma-lab kernel: [ 127.546419] [<c01c291e>] ? do_mount+0x55e/0x6e0 Jan 6 12:09:53 koma-lab kernel: [ 127.546427] [<c0186015>] ? __get_free_pages+0x25/0x30 Jan 6 12:09:53 koma-lab kernel: [ 127.546436] [<c01c0485>] ? copy_mount_options+0x35/0x140 Jan 6 12:09:53 koma-lab kernel: [ 127.546443] [<c01c2b0f>] ? sys_mount+0x6f/0xb0 Jan 6 12:09:53 koma-lab kernel: [ 127.546450] [<c0103e0b>] ? sysenter_do_call+0x12/0x2f Jan 6 12:09:53 koma-lab kernel: [ 127.546457] Code: 5b 5e 5f 5d c3 c7 44 24 04 70 75 49 c0 c7 04 24 8c 93 56 c0 e8 69 23 ec ff 89 d8 e8 a2 dc ff ff 89 d8 31 db e8 f9 5e f3 ff eb d0 <0f> 0b eb fe 8d 76 00 c7 44 24 04 70 75 49 c0 c7 04 24 60 93 56 Jan 6 12:09:53 koma-lab kernel: [ 127.546521] EIP: [<c0270fb9>] jbd2_journal_init_inode+0x159/0x180 SS:ESP 0068:ec4ffd38 Jan 6 12:09:53 koma-lab kernel: [ 127.546532] ---[ end trace b76702c8f157530e
]---
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[Bug 12370] kernel BUG at fs/jbd2/journal.c:1108
In reply to [email protected]http://bugzilla.kernel.org/show_bug.cgi?id=12370
------- Comment #3 from [email protected] 2009-01-06 07:11 ------- I'll attach a patch that fixes the problem for me.
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[Bug 12370] kernel BUG at fs/jbd2/journal.c:1108
In reply to [email protected]http://bugzilla.kernel.org/show_bug.cgi?id=12370
------- Comment #4 from [email protected] 2009-01-06 07:13 ------- Created an attachment (id=19677)
--> (http://bugzilla.kernel.org/attachment.cgi?id=19677&action=view)
Patch fixing possible oopses due to failing getblk()
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[Bug 12370] kernel BUG at fs/jbd2/journal.c:1108
In reply to [email protected]http://bugzilla.kernel.org/show_bug.cgi?id=12370
[email protected] changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|[email protected]|[email protected] Status|NEW |ASSIGNED
------- Comment #5 from [email protected] 2009-01-13 11:22 ------- David, could you please check whether the patch fixes the issue for you? Thanks.
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