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Bug#648811: marked as done (NULL pointer dereference in Linux 2.6.32-5-686 : ocfs2_update_disk_slot when peer hang)

Your message dated Mon, 27 Feb 2017 21:34:36 +0200
with message-id <20170227193436.lt6jbbovu6fpucbm@localhost>
and subject line Closing squeeze-only bugs
has caused the Debian Bug report #648811,
regarding NULL pointer dereference in Linux 2.6.32-5-686 : ocfs2_update_disk_slot when peer hang
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
648811: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648811
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-2.6
Version: 2.6.32-38
Severity: important
Tags: squeeze

Hello there!

Cluster setup:
  Two virtual machine (qemu and/or vmware esx)
  Debian squeeze 6.0.3 with stock kernel
  o2cb_ctl version 1.4.4
  
  Shared volume setup on top of drbd (dual primary)

Howto reproduce:
  File system created and mounted on one peer.
  When it dies, the other peer mount the volume and it hang with following trace:

Note:
  Bug already reported on oracle oss bugtracker (http://oss.oracle.com/bugzilla/show_bug.cgi?id=1335)

-- Package-specific info:
** Version:
Linux version 2.6.32-5-686 (Debian 2.6.32-38) (ben@decadent.org.uk) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Mon Oct 3 04:15:24 UTC 2011

** Command line:
BOOT_IMAGE=/vmlinuz-2.6.32-5-686 root=/dev/mapper/vg00-lvroot ro quiet vga=770

** Not tainted

** Kernel log:
  [ 1590.801556] BUG: unable to handle kernel NULL pointer dereference at 0000001e
  [ 1590.803047] IP: [<e163a869>] ocfs2_update_disk_slot+0x6b/0x121 [ocfs2]
  [ 1590.804242] *pde = 00000000
  [ 1590.805399] Oops: 0000 [#1] SMP
  [ 1590.805517] last sysfs file: /sys/fs/o2cb/interface_revision
  [ 1590.805517] Modules linked in: ocfs2 jbd2 quota_tree sha1_generic ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs drbd lru_cache cn fuse ext2 loop
snd_pcm snd_timer parport_pc snd i2c_piix4 parport soundcore snd_page_alloc psmouse processor i2c_core button pcspkr evdev serio_raw ext3 jbd mbcache dm_mod sg sd_mod crc_t10dif sr_mod cdrom ata_generic ata_piix libata
thermal thermal_sys floppy 8139too 8139cp mii scsi_mod [last unloaded: configfs]
  [ 1590.805517]
  [ 1590.805517] Pid: 4265, comm: ocfs2rec Not tainted (2.6.32-5-686 #1) Bochs
  [ 1590.805517] EIP: 0060:[<e163a869>] EFLAGS: 00010246 CPU: 0
  [ 1590.805517] EIP is at ocfs2_update_disk_slot+0x6b/0x121 [ocfs2]
  [ 1590.805517] EAX: 00000006 EBX: d946df40 ECX: 00000000 EDX: 00000000
  [ 1590.805517] ESI: 00000000 EDI: d7d73800 EBP: dde30800 ESP: d6999ebc
  [ 1590.805517]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
  [ 1590.805517] Process ocfs2rec (pid: 4265, ti=d6998000 task=ddd8aec0 task.ti=d6998000)
  [ 1590.805517] Stack:
  [ 1590.805517]  e163abff dde30800 00000000 d7d73800 00000000 e16210a0 ddd8aec0 ddd8aec0
  [ 1590.805517] <0> dde3089c 00000006 00000000 dde30800 da26a108 da26a118 00000001 00010000
  [ 1590.805517] <0> 00000000 00010000 00000000 dad1a000 df707d48 00000000 00000000 00000000
  [ 1590.805517] Call Trace:
  [ 1590.805517]  [<e163abff>] ? ocfs2_clear_slot+0x23/0x50 [ocfs2]
  [ 1590.805517]  [<e16210a0>] ? __ocfs2_recovery_thread+0xfd5/0x146d [ocfs2]
  [ 1590.805517]  [<e16200cb>] ? __ocfs2_recovery_thread+0x0/0x146d [ocfs2]
  [ 1590.805517]  [<c1043dfc>] ? kthread+0x61/0x66
  [ 1590.805517]  [<c1043d9b>] ? kthread+0x0/0x66
  [ 1590.805517]  [<c1003d47>] ? kernel_thread_helper+0x7/0x10
  [ 1590.805517] Code: 18 8b 43 18 8b 04 f0 8b 34 24 88 04 f7 03 53 18 83 3a 00 74 07 8b 42 04 89 44 f7 04 8b 43 10 8b 14 88 eb 35 8b 43 10 31 d2 8b 00 <8b> 48 18 eb 1f 8d 04 d5 00 00 00
00 03 43 18 83 38 00 74 09 8b
  [ 1590.805517] EIP: [<e163a869>] ocfs2_update_disk_slot+0x6b/0x121 [ocfs2] SS:ESP 0068:d6999ebc
  [ 1590.805517] CR2: 000000000000001e
  [ 1590.846312] ---[ end trace eee3645cbe324c05 ]---


** Model information
not available

** Loaded modules:
Module                  Size  Used by
drbd                  173348  0 
lru_cache               4054  1 drbd
cn                      3667  1 drbd
fuse                   44268  1 
ocfs2_dlmfs            12533  1 
ocfs2_stack_o2cb        2526  0 
ocfs2_dlm             157108  2 ocfs2_dlmfs,ocfs2_stack_o2cb
ocfs2_nodemanager     125027  3 ocfs2_dlmfs,ocfs2_stack_o2cb,ocfs2_dlm
ocfs2_stackglue         5625  1 ocfs2_stack_o2cb
configfs               15888  2 ocfs2_nodemanager
ext2                   46245  1 
loop                    9769  0 
snd_pcm                47226  0 
snd_timer              12270  1 snd_pcm
snd                    34423  2 snd_pcm,snd_timer
soundcore               3450  1 snd
snd_page_alloc          5045  1 snd_pcm
parport_pc             15799  0 
pcspkr                  1207  0 
parport                22554  1 parport_pc
i2c_piix4               7076  0 
i2c_core               12787  1 i2c_piix4
processor              26327  0 
button                  3598  0 
psmouse                44809  0 
evdev                   5609  2 
serio_raw               2916  0 
ext3                   94396  3 
jbd                    32317  1 ext3
mbcache                 3762  2 ext2,ext3
dm_mod                 46234  14 
sg                     19937  0 
sd_mod                 26005  3 
crc_t10dif              1012  1 sd_mod
sr_mod                 10770  0 
cdrom                  26487  1 sr_mod
ata_generic             2247  0 
ata_piix               17736  2 
libata                115869  2 ata_generic,ata_piix
thermal                 9206  0 
floppy                 40923  0 
thermal_sys             9378  2 processor,thermal
8139too                14949  0 
8139cp                 13421  0 
mii                     2714  2 8139too,8139cp
scsi_mod              104853  4 sg,sd_mod,sr_mod,libata

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 440FX - 82441FX PMC [Natoma] [8086:1237] (rev 02)
	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:01.0 ISA bridge [0601]: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] [8086:7000]
	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0

00:01.1 IDE interface [0101]: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] [8086:7010] (prog-if 80 [Master])
	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
	Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1]
	Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
	Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1]
	Region 4: I/O ports at c000 [size=16]
	Kernel driver in use: ata_piix

00:01.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 03)
	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 9
	Kernel driver in use: piix4_smbus

00:02.0 VGA compatible controller [0300]: Cirrus Logic GD 5446 [1013:00b8] (prog-if 00 [VGA controller])
	Subsystem: Red Hat, Inc Device [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Region 0: Memory at f0000000 (32-bit, prefetchable) [size=32M]
	Region 1: Memory at f2000000 (32-bit, non-prefetchable) [size=4K]
	Expansion ROM at f2010000 [disabled] [size=64K]

00:03.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ [10ec:8139] (rev 20)
	Subsystem: Red Hat, Inc Device [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 11
	Region 0: I/O ports at c100 [size=256]
	Region 1: Memory at f2020000 (32-bit, non-prefetchable) [size=256]
	Expansion ROM at f2030000 [disabled] [size=64K]
	Kernel driver in use: 8139cp


** USB devices:
not available


-- System Information:
Debian Release: 6.0.3
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages linux-image-2.6.32-5-686 depends on:
ii  debconf [debconf-2.0]         1.5.36.1   Debian configuration management sy
ii  initramfs-tools [linux-initra 0.98.8     tools for generating an initramfs
ii  linux-base                    2.6.32-38  Linux image base package
ii  module-init-tools             3.12-1     tools for managing Linux kernel mo

Versions of packages linux-image-2.6.32-5-686 recommends:
pn  firmware-linux-free           <none>     (no description available)
ii  libc6-i686                    2.11.2-10  Embedded GNU C Library: Shared lib

Versions of packages linux-image-2.6.32-5-686 suggests:
pn  grub | lilo                   <none>     (no description available)
pn  linux-doc-2.6.32              <none>     (no description available)

Versions of packages linux-image-2.6.32-5-686 is related to:
pn  firmware-bnx2                 <none>     (no description available)
pn  firmware-bnx2x                <none>     (no description available)
pn  firmware-ipw2x00              <none>     (no description available)
pn  firmware-ivtv                 <none>     (no description available)
pn  firmware-iwlwifi              <none>     (no description available)
pn  firmware-linux                <none>     (no description available)
pn  firmware-linux-nonfree        <none>     (no description available)
pn  firmware-qlogic               <none>     (no description available)
pn  firmware-ralink               <none>     (no description available)
pn  xen-hypervisor                <none>     (no description available)

-- debconf information:
  linux-image-2.6.32-5-686/prerm/removing-running-kernel-2.6.32-5-686: true
  linux-image-2.6.32-5-686/postinst/depmod-error-initrd-2.6.32-5-686: false
  linux-image-2.6.32-5-686/postinst/ignoring-do-bootloader-2.6.32-5-686:
  linux-image-2.6.32-5-686/postinst/missing-firmware-2.6.32-5-686:

--- End Message ---
--- Begin Message --- 
Dear submitter,

these bug are tagged squeeze without any wheezy/jessie/stretch tag
implying that the bug is not present in more recent Debian releases.

squeeze is no longer supported.

We are sorry that we couldn't deal with your issue in squeeze.

If this bug was incorrectly tagged squeeze, please reopen the bug
and remove the squeeze tag.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

--- End Message ---
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