Bug 781869

Summary: BUG: unable to handle kernel NULL pointer dereference. mls_convert_context()
Product: [Fedora] Fedora Reporter: Florian Ludwig <vierzigundzwei>
Component: kernelAssignee: Eric Paris <eparis>
Status: CLOSED INSUFFICIENT_DATA 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: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:9949183559bf89dc7653405fb4ea8c9007d6236a
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-09-04 15:15:26 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 Florian Ludwig 2012-01-15 20:09:16 UTC 
libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/boot/vmlinuz-3.1.7-1.fc16.x86_64 root=UUID=1a4f6fd0-726a-4035-8964-942c3f1d2b47 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:         3.1.7-1.fc16.x86_64
reason:         BUG: unable to handle kernel NULL pointer dereference at           (null)
time:           Sun 15 Jan 2012 08:57:47 PM CET

backtrace:
:BUG: unable to handle kernel NULL pointer dereference at           (null)
:IP: [<ffffffff812b0742>] strlen+0x2/0x20
:PGD 0 
:Oops: 0000 [#1] SMP 
:CPU 0 
:Modules linked in: rfcomm bnep btusb bluetooth rndis_wlan rndis_host cdc_ether tcp_lp vfat fat ppdev parport_pc lp parport fuse 8021q garp stp llc fcoe libfcoe libfc scsi_transport_fc scsi_tgt snd_hda_codec_hdmi snd_hda_codec_conexant binfmt_misc arc4 cdc_wdm cdc_ncm usbnet wacom mii cdc_acm uvcvideo videodev media v4l2_compat_ioctl32 microcode snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm joydev iwlwifi i2c_i801 mac80211 cfg80211 iTCO_wdt iTCO_vendor_support snd_timer e1000e snd_page_alloc thinkpad_acpi rfkill snd soundcore uinput usb_storage sdhci_pci sdhci mmc_core wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 9952, comm: load_policy Not tainted 3.1.7-1.fc16.x86_64 #1 LENOVO 42992QG/42992QG
:RIP: 0010:[<ffffffff812b0742>]  [<ffffffff812b0742>] strlen+0x2/0x20
:RSP: 0018:ffff8801273e37e0  EFLAGS: 00010246
:RAX: 0000000000000000 RBX: ffff8800369d6ba0 RCX: 0000000000000001
:RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000
:RBP: ffff8801273e37f8 R08: 0000000000000007 R09: ffffffff812629bb
:R10: ffff8801012d6b80 R11: 0000000000000020 R12: 0000000000000000
:R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801273e3bc0
:FS:  00007fb394e4c7c0(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000
:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
:CR2: 0000000000000000 CR3: 0000000131913000 CR4: 00000000000406f0
:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:Process load_policy (pid: 9952, threadinfo ffff8801273e2000, task ffff88011c62ae60)
:Stack:
: ffffffff8126358a 0000000000000000 ffff8800369d6ba0 ffff8801273e3828
: ffffffff81263363 0000000000000000 0000000000000000 ffff88004f978aa0
: ffffffff81d9b040 ffff8801273e3898 ffffffff81270b69 ffff8801273e3878
:Call Trace:
: [<ffffffff8126358a>] ? symhash+0x1a/0x60
: [<ffffffff81263363>] hashtab_search+0x23/0x90
: [<ffffffff81270b69>] mls_convert_context+0x59/0x1c0
: [<ffffffff8126bef5>] convert_context+0x3e5/0x4d0
: [<ffffffff812638e2>] ? sidtab_insert+0x192/0x220
: [<ffffffff81269bb0>] ? security_load_policycaps+0x40/0x40
: [<ffffffff8126bb10>] ? type_attribute_bounds_av+0x2a0/0x2a0
: [<ffffffff81263a05>] sidtab_map+0x55/0x90
: [<ffffffff8126d98e>] security_load_policy+0x34e/0x470
: [<ffffffff81012722>] ? __switch_to+0x132/0x310
: [<ffffffff812ad10e>] ? radix_tree_lookup_slot+0xe/0x10
: [<ffffffff81114f4e>] ? find_get_page+0x1e/0x90
: [<ffffffff81116b8e>] ? filemap_fault+0xee/0x490
: [<ffffffff811690db>] ? mem_cgroup_update_page_stat+0x2b/0x110
: [<ffffffff8111429a>] ? unlock_page+0x2a/0x40
: [<ffffffff811366e9>] ? __do_fault+0x3f9/0x500
: [<ffffffff81139297>] ? handle_pte_fault+0xf7/0xac0
: [<ffffffff815d55f5>] ? page_fault+0x25/0x30
: [<ffffffff812603cd>] sel_write_load+0x9d/0x790
: [<ffffffff81253ccc>] ? security_file_permission+0x2c/0xb0
: [<ffffffff81172a03>] vfs_write+0xb3/0x180
: [<ffffffff81172d2a>] sys_write+0x4a/0x90
: [<ffffffff815dcd82>] system_call_fastpath+0x16/0x1b
:Code: 11 eb 1b 66 0f 1f 44 00 00 48 83 ea 01 48 39 d0 77 0c 0f b6 0a f6 81 60 d1 63 81 20 75 eb c6 42 01 00 5d c3 0f 1f 44 00 00 31 c0 <80> 3f 00 55 48 89 e5 74 11 48 89 f8 66 90 48 83 c0 01 80 38 00 
:RIP  [<ffffffff812b0742>] strlen+0x2/0x20
: RSP <ffff8801273e37e0>

smolt_data:
:
:
:General
:=================================
:UUID: 1f5c572c-76e2-4dc5-becb-ec2accfe3344
:OS: Fedora release 16 (Verne)
:Default run level: Unknown
:Language: en_US.UTF-8
:Platform: x86_64
:BogoMIPS: 4983.77
:CPU Vendor: GenuineIntel
:CPU Model: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz
:CPU Stepping: 7
:CPU Family: 6
:CPU Model Num: 42
:Number of CPUs: 4
:CPU Speed: 2501
:System Memory: 3842
:System Swap: 4095
:Vendor: LENOVO
:System: 42992QG ThinkPad X220 Tablet
:Form factor: Notebook
:Kernel: 3.1.7-1.fc16.x86_64
:SELinux Enabled: 1
:SELinux Policy: targeted
:SELinux Enforce: Enforcing
:MythTV Remote: Unknown
:MythTV Role: Unknown
:MythTV Theme: Unknown
:MythTV Plugin: 
:MythTV Tuner: -1
:
:
:Devices
:=================================
:(32902:7247:6058:8667) pci, None, PCI/ISA, QM67 Express Chipset Family LPC Controller
:(4480:59427:6058:8667) pci, sdhci-pci, BASE, N/A
:(32902:294:6058:8667) pci, i915, VIDEO, 2nd Generation Core Processor Family Integrated Graphics Controller
:(32902:7190:6058:8667) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 4
:(32902:7184:6058:8667) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 1
:(32902:7186:6058:8667) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 2
:(32902:7192:6058:8667) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 5
:(32902:7200:6058:8667) pci, snd_hda_intel, MULTIMEDIA, 6 Series/C200 Series Chipset Family High Definition Audio Controller
:(32902:5378:6058:8654) pci, e1000e, ETHERNET, 82579LM Gigabit Network Connection
:(32902:7213:6058:8667) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
:(32902:7202:6058:8667) pci, i801_smbus, SERIAL, 6 Series/C200 Series Chipset Family SMBus Controller
:(32902:133:32902:4881) pci, iwlwifi, NETWORK, Centrino Advanced-N 6205 AGN
:(32902:7171:6058:8667) pci, ahci, STORAGE, 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
:(32902:7229:6058:8667) pci, serial, 16550_SERIAL, 6 Series/C200 Series Chipset Family KT Controller
:(32902:7206:6058:8667) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
:(32902:260:6058:8667) pci, agpgart-intel, HOST/PCI, 2nd Generation Core Processor Family DRAM Controller
:(32902:7226:6058:8667) pci, None, SIMPLE, 6 Series/C200 Series Chipset Family MEI Controller #1
:
:
:Filesystem Information
:=================================
:device mtpt type bsize frsize blocks bfree bavail file ffree favail
:-------------------------------------------------------------------
:/dev/sda1 / ext4 4096 4096 5160607 3248794 3196385 1310720 1131728 1131728
:/dev/sda3 /home ext4 4096 4096 32266365 2427436 788386 8200192 7606509 7606509
:/dev/sdb1 WITHHELD vfat 32768 32768 122464 122450 122450 0 0 0
:
Comment 1 Dave Jones 2012-03-22 16:38:35 UTC 
[mass update]
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.
Please retest with this update.
Comment 2 Dave Jones 2012-03-22 16:43:46 UTC 
[mass update]
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.
Please retest with this update.
Comment 3 Dave Jones 2012-03-22 16:51:44 UTC 
[mass update]
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.
Please retest with this update.