NULL pointer dereference while umounting usb stick
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
Bug Description
Just added a disk, and when umounting it by hand, it gave the following trace:
[673863.654902] sdc: detected capacity change from 4075290624 to 0
[673865.700461] sd 9:0:0:0: [sdc] 7959552 512-byte logical blocks: (4.07 GB/3.79 GiB)
[673865.702694] sd 9:0:0:0: [sdc] No Caching mode page present
[673865.702697] sd 9:0:0:0: [sdc] Assuming drive cache: write through
[673865.705539] sd 9:0:0:0: [sdc] No Caching mode page present
[673865.705542] sd 9:0:0:0: [sdc] Assuming drive cache: write through
[673865.706934] sdc: sdc1 sdc2
[673866.109620] EXT4-fs (sdc2): mounted filesystem with ordered data mode. Opts: (null)
[673911.398198] VFS: Busy inodes after unmount of sdc1. Self-destruct in 5 seconds. Have a nice day...
[673911.398561] BUG: unable to handle kernel NULL pointer dereference at 00000000000000f0
[673911.398598] IP: [<ffffffff8103d
[673911.398631] PGD 22dcb0067 PUD 22dc96067 PMD 0
[673911.398650] Oops: 0002 [#1] SMP
[673911.398665] CPU 0
[673911.398673] Modules linked in: ftdi_sio pl2303 usbserial ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs ext2 nls_iso8859_1 nls_cp437 vfat fat uas usb_storage snd_usb_audio snd_usbmidi_lib hidp kvm_intel kvm rfcomm bnep parport_pc ppdev binfmt_misc dm_crypt arc4 pcmcia snd_hda_
[673911.399150]
[673911.399158] Pid: 2485, comm: gvfsd-trash Tainted: G WC 3.2.0-26-generic #41-Ubuntu LENOVO 2764CTO/2764CTO
[673911.399218] RIP: 0010:[<
[673911.399269] RSP: 0018:ffff88022e
[673911.399289] RAX: 0000000000010000 RBX: 00000000000000f0 RCX: ffff88023bfb2000
[673911.399328] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 00000000000000f0
[673911.399362] RBP: ffff88022e359e18 R08: e000000000000000 R09: 1038000000000000
[673911.399396] R10: fe748f65d4216207 R11: 0000000000000078 R12: ffff88016d70f4f0
[673911.399431] R13: ffff88016d70f5e8 R14: ffff88022a2d2a64 R15: ffff88016d70f4f0
[673911.399463] FS: 00007f345f1117c
[673911.399492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[673911.399518] CR2: 00000000000000f0 CR3: 000000022dcaf000 CR4: 00000000000006f0
[673911.399549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[673911.399581] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[673911.399610] Process gvfsd-trash (pid: 2485, threadinfo ffff88022e358000, task ffff88022e350000)
[673911.399654] Stack:
[673911.399663] ffff88022e359e28 ffffffff816599ce ffff88022e359e48 ffffffffa0625462
[673911.399706] ffff88016d70f4f0 ffff88016d70f4f0 ffff88022e359e68 ffffffffa0625bcb
[673911.399746] ffff88022e359e68 ffffffffa06296c0 ffff88022e359e98 ffffffff811927b8
[673911.399785] Call Trace:
[673911.399801] [<ffffffff81659
[673911.399829] [<ffffffffa0625
[673911.399852] [<ffffffffa0625
[673911.399880] [<ffffffff81192
[673911.399900] [<ffffffff81192
[673911.399922] [<ffffffff81192
[673911.400007] [<ffffffff811b7
[673911.403667] [<ffffffff811b9
[673911.403667] [<ffffffff81661
[673911.406231] Code: 00 00 48 c7 c1 51 da 03 81 48 c7 c2 4e da 03 81 e9 dd fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 55 b8 00 00 01 00 48 89 e5 <f0> 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 13 66 0f 1f 84 00 00 00
[673911.408156] RIP [<ffffffff8103d
[673911.408156] RSP <ffff88022e359e18>
[673911.408156] CR2: 00000000000000f0
[673911.425840] ---[ end trace c05eef64bf42d647 ]---
Kernel:
Linux evatp 3.2.0-26-generic #41-Ubuntu SMP Thu Jun 14 17:49:24 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 12.04 LTS
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc220000 irq 51'
Mixer name : 'Conexant CX20561 (Hermosa)'
Components : 'HDA:14f15051,
Controls : 20
Simple ctrls : 12
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'
Mixer name : 'ThinkPad EC 7VHT16WW-1.06'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
DistroRelease: Ubuntu 12.04
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120415)
MachineType: LENOVO 2764CTO
Package: linux (not installed)
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.79
StagingDrivers: mei
Tags: precise running-unity staging
Uname: Linux 3.2.0-27-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom debian-tor dip lpadmin plugdev sambashare sudo
dmi.bios.date: 08/02/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET89WW (3.19 )
dmi.board.name: 2764CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 2764CTO
dmi.product.
dmi.sys.vendor: LENOVO
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1032428
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.