Bug 795081

Summary: [abrt] kernel: [127673.571163] BUG: unable to handle kernel NULL pointer dereference at 00000004
Product: [Fedora] Fedora Reporter: anant tickoo <ananttickoo>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 16CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Unspecified   
Whiteboard: abrt_hash:12bdaece15ef2726b077d5f9a4f2076eb7a0db2c
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-02-19 16:28:45 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description anant tickoo 2012-02-19 07:37:02 UTC 
libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/boot/vmlinuz-3.1.9-1.fc16.i686 root=UUID=8a53617d-d27f-4daa-8a62-4c165ae848e4 ro rd.md=0 rd.lvm=0 rd.dm=0 KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8
kernel:         3.572986]
reason:         [127673.571163] BUG: unable to handle kernel NULL pointer dereference at 00000004
time:           Wed 01 Feb 2012 11:55:54 PM IST

backtrace:
:[127673.571163] BUG: unable to handle kernel NULL pointer dereference at 00000004
:[127673.572006] IP: [<c0721265>] sd_revalidate_disk+0x25/0x1d00
:[127673.572986] *pde = 00000000 
:[127673.572986] Oops: 0000 [#1] SMP 
:[127673.572986] Modules linked in: tcp_diag inet_diag vfat fat usb_storage tun tcp_lp snd_seq_dummy ppdev parport_pc lp parport fuse 8021q garp stp llc fcoe libfcoe libfc scsi_transport_fc rfcomm scsi_tgt bnep ip6t_REJECT snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep thinkpad_acpi arc4 snd_seq snd_seq_device snd_pcm snd_timer snd iwlwifi mac80211 uvcvideo videodev media btusb bluetooth iTCO_wdt soundcore iTCO_vendor_support cfg80211 snd_page_alloc binfmt_misc r852 sm_common nand nand_ids nand_ecc i2c_i801 r592 mtd memstick rfkill e1000e microcode joydev uinput sdhci_pci sdhci firewire_ohci mmc_core firewire_core crc_itu_t yenta_socket wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: nf_conntrack]
:[127673.572986] 
:[127673.572986] Pid: 2486, comm: blkid Not tainted 3.1.9-1.fc16.i686 #1 LENOVO 6475JT5/6475JT5
:[127673.572986] EIP: 0060:[<c0721265>] EFLAGS: 00010246 CPU: 0
:[127673.572986] EIP is at sd_revalidate_disk+0x25/0x1d00
:[127673.572986] EAX: 00000000 EBX: 00000000 ECX: 00000001 EDX: c0721240
:[127673.572986] ESI: e2171860 EDI: e2171800 EBP: e2045d34 ESP: e2045ca8
:[127673.572986]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
:[127673.572986] Process blkid (pid: 2486, ti=e2044000 task=c62b25b0 task.ti=e2044000)
:[127673.572986] Stack:
:[127673.572986]  c06fac27 f4d61ce0 ef3d6814 f07e7300 e2045cd8 c053d4c1 f2c23880 c0554b20
:[127673.572986]  f7338ecc e217183c f7338ecc f3008800 e2045cf8 c053e3d4 e2045d08 e217183c
:[127673.572986]  e2171800 e2045d0c c063989d e2171800 e2045d0c f2c23880 00000000 e2045d1c
:[127673.572986] Call Trace:
:[127673.572986]  [<c06fac27>] ? device_release+0x27/0x80
:[127673.572986]  [<c053d4c1>] ? find_inode+0x51/0x90
:[127673.572986]  [<c0554b20>] ? I_BDEV+0x10/0x10
:[127673.572986]  [<c053e3d4>] ? iget5_locked+0x74/0x180
:[127673.572986]  [<c063989d>] ? kobject_put+0x1d/0x50
:[127673.572986]  [<c053de44>] ? iput+0x34/0x190
:[127673.572986]  [<c057eb92>] rescan_partitions+0x82/0x590
:[127673.572986]  [<c070ec77>] ? scsi_device_put+0x47/0x50
:[127673.572986]  [<c0482422>] ? module_refcount+0x72/0x90
:[127673.572986]  [<c06faa24>] ? put_device+0x14/0x20
:[127673.572986]  [<c070ec64>] ? scsi_device_put+0x34/0x50
:[127673.572986]  [<c072082f>] ? sd_open+0xff/0x1d0
:[127673.572986]  [<c05562f6>] __blkdev_get+0x266/0x3c0
:[127673.572986]  [<c055649b>] blkdev_get+0x4b/0x2a0
:[127673.572986]  [<c0554b40>] ? bdev_test+0x20/0x20
:[127673.572986]  [<c0556740>] blkdev_open+0x50/0x70
:[127673.572986]  [<c0525d8a>] __dentry_open+0x1aa/0x310
:[127673.572986]  [<c05271ce>] nameidata_to_filp+0x6e/0x80
:[127673.572986]  [<c05566f0>] ? blkdev_get+0x2a0/0x2a0
:[127673.572986]  [<c0534e6f>] do_last+0x3ff/0x820
:[127673.572986]  [<c0535374>] path_openat+0xa4/0x350
:[127673.572986]  [<c04fe633>] ? handle_pte_fault+0x83/0x8f0
:[127673.572986]  [<c0535731>] do_filp_open+0x31/0x80
:[127673.572986]  [<c0643e78>] ? strncpy_from_user+0x38/0x70
:[127673.572986]  [<c053fc1c>] ? alloc_fd+0x3c/0xe0
:[127673.572986]  [<c05272c6>] do_sys_open+0xe6/0x1b0
:[127673.572986]  [<c049fa46>] ? audit_syscall_exit+0x176/0x1a0
:[127673.572986]  [<c05273be>] sys_open+0x2e/0x40
:[127673.572986]  [<c090da44>] syscall_call+0x7/0xb
:[127673.572986] Code: e8 51 ac d2 ff 90 55 89 e5 57 56 53 83 c4 80 3e 8d 74 26 00 89 45 b4 65 a1 14 00 00 00 89 45 f0 31 c0 8b 45 b4 8b 80 e4 01 00 00 <8b> 58 04 89 45 c0 a1 c0 6a d3 c0 89 5d b8 c1 e8 15 83 e0 07 83 
:[127673.572986] EIP: [<c0721265>] sd_revalidate_disk+0x25/0x1d00 SS:ESP 0068:e2045ca8
:[127673.572986] CR2: 0000000000000004

smolt_data:
:
:
:General
:=================================
:UUID: fc24c461-145e-4b6b-9cc0-60cc375b3483
:OS: Fedora release 16 (Verne)
:Default run level: Unknown
:Language: en_US.utf8
:Platform: i686
:BogoMIPS: 5054.41
:CPU Vendor: GenuineIntel
:CPU Model: Intel(R) Core(TM)2 Duo CPU     T9400  @ 2.53GHz
:CPU Stepping: 10
:CPU Family: 6
:CPU Model Num: 23
:Number of CPUs: 2
:CPU Speed: 2534
:System Memory: 2986
:System Swap: 3813
:Vendor: LENOVO
:System: 6475JT5 ThinkPad T400
:Form factor: Notebook
:Kernel: 3.2.3-2.fc16.i686
:SELinux Enabled: 0
:SELinux Policy: targeted
:SELinux Enforce: Unknown
:MythTV Remote: Unknown
:MythTV Role: Unknown
:MythTV Theme: Unknown
:MythTV Plugin: 
:MythTV Tuner: -1
:
:
:Devices
:=================================
:(32902:10816:6058:8416) pci, agpgart-intel, HOST/PCI, Mobile 4 Series Chipset Memory Controller Hub
:(32902:10544:6058:8441) pci, i801_smbus, SERIAL, 82801I (ICH9 Family) SMBus Controller
:(32902:10537:6058:8440) pci, ahci, STORAGE, ICH9M/M-E SATA AHCI Controller
:(32902:10519:6058:8437) pci, None, PCI/ISA, ICH9M-E LPC Interface Controller
:(32902:4341:6058:8430) pci, e1000e, ETHERNET, 82567LM Gigabit Network Connection
:(32902:9288:6058:8436) pci, None, PCI/PCI, 82801 Mobile PCI Bridge
:(32902:10566:6058:8435) pci, pcieport, PCI/PCI, 82801I (ICH9 Family) PCI Express Port 4
:(32902:10549:6058:8432) pci, uhci_hcd, USB, 82801I (ICH9 Family) USB UHCI Controller #2
:(32902:10548:6058:8432) pci, uhci_hcd, USB, 82801I (ICH9 Family) USB UHCI Controller #1
:(32902:10553:6058:8432) pci, uhci_hcd, USB, 82801I (ICH9 Family) USB UHCI Controller #6
:(32902:10550:6058:8432) pci, uhci_hcd, USB, 82801I (ICH9 Family) USB UHCI Controller #3
:(32902:10554:6058:8433) pci, ehci_hcd, USB, 82801I (ICH9 Family) USB2 EHCI Controller #1
:(32902:10556:6058:8433) pci, ehci_hcd, USB, 82801I (ICH9 Family) USB2 EHCI Controller #2
:(32902:16951:32902:4625) pci, iwlwifi, NETWORK, WiFi Link 5100 AGN
:(32902:10818:6058:8420) pci, i915, VIDEO, Mobile 4 Series Chipset Integrated Graphics Controller
:(32902:10819:6058:8420) pci, None, VIDEO, Mobile 4 Series Chipset Integrated Graphics Controller
:(32902:10560:6058:8435) pci, pcieport, PCI/PCI, 82801I (ICH9 Family) PCI Express Port 1
:(32902:10562:6058:8435) pci, pcieport, PCI/PCI, 82801I (ICH9 Family) PCI Express Port 2
:(32902:10820:6058:8422) pci, None, SIMPLE, Mobile 4 Series Chipset MEI Controller
:(32902:10823:6058:8428) pci, serial, 16550_SERIAL, Mobile 4 Series Chipset AMT SOL Redirection
:(32902:10558:6058:8434) pci, snd_hda_intel, MULTIMEDIA, 82801I (ICH9 Family) HD Audio Controller
:(32902:10551:6058:8432) pci, uhci_hcd, USB, 82801I (ICH9 Family) USB UHCI Controller #4
:(32902:10568:6058:8435) pci, pcieport, PCI/PCI, 82801I (ICH9 Family) PCI Express Port 5
:(32902:10552:6058:8432) pci, uhci_hcd, USB, 82801I (ICH9 Family) USB UHCI Controller #5
:(4480:1426:6058:8394) pci, r592, BASE, ThinkPad T61
:(4480:2130:6058:8395) pci, r852, BASE, xD-Picture Card Controller
:(4480:1142:6058:8390) pci, yenta_cardbus, PCI/CARDBUS, RL5c476 II
:(4480:2098:6058:8391) pci, firewire_ohci, FIREWIRE, R5C832 IEEE 1394 Controller
:(4480:2082:6058:8392) pci, sdhci-pci, BASE, R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter
:
:
:Filesystem Information
:=================================
:device mtpt type bsize frsize blocks bfree bavail file ffree favail
:-------------------------------------------------------------------
:/dev/sda1 / ext4 4096 4096 24397666 10511204 10267040 6111232 5867080 5867080
:/dev/sda6 WITHHELD vfat 32768 32768 1708510 571552 571552 0 0 0
:
Comment 1 Josh Boyer 2012-02-19 16:28:45 UTC 

*** This bug has been marked as a duplicate of bug 754518 ***