Bug 1066215

Summary: [abrt] BUG: unable to handle kernel NULL pointer dereference at (null)
Product: [Fedora] Fedora Reporter: Peter H. Jones <jones.peter.busi>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 20CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---Flags: jforbes: needinfo?
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/f1d2d3c10a11a0e2422ca9adbc86c5c38b4809b0
Whiteboard: abrt_hash:9e1aba476f35a46da8345554b8493248a16271f5
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-03-17 18:42:52 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: dmesg none

Description Peter H. Jones 2014-02-18 03:44:56 UTC 
Description of problem:
accidentally disconnect a USB TV tuner for the second or third time with tvtime running

Additional info:
reporter:       libreport-2.1.12
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: [<ffffffffa078385a>] cx231xx_usb_probe+0x54a/0xad0 [cx231xx]
PGD 10bb1067 PUD dd4e067 PMD 0 
Oops: 0000 [#1] SMP 
Modules linked in: cx231xx_alsa tda18271 tea5767 tuner cx25840 cx231xx videobuf_vmalloc cx2341x videobuf_core rc_core v4l2_common ip6t_rpfilter ip6t_REJECT xt_conntrack bnep bluetooth ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw kvm_amd snd_hda_codec_realtek kvm snd_hda_codec_hdmi uvcvideo arc4 snd_hda_intel videobuf2_vmalloc videobuf2_memops snd_hda_codec snd_hwdep videobuf2_core snd_seq videodev microcode snd_seq_device media rtl8192ce rtl_pci snd_pcm rtlwifi serio_raw rtl8192c_common k10temp mac80211 sp5100_tco i2c_piix4 snd_page_alloc cfg80211 snd_timer r8169 toshiba_acpi snd mii acpi_cpufreq sparse_keymap soundcore rfkill shpchp wmi video nfsd auth_rpcgss nfs_acl lockd sunrpc binfmt_misc radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core ums_realtek usb_storage
CPU: 0 PID: 19 Comm: khubd Not tainted 3.12.10-300.fc20.x86_64 #1
Hardware name: TOSHIBA TOSHIBA NB555D/PBU01, BIOS 1.30 12/21/2010
task: ffff88002bed0840 ti: ffff88002bf76000 task.ti: ffff88002bf76000
RIP: 0010:[<ffffffffa078385a>]  [<ffffffffa078385a>] cx231xx_usb_probe+0x54a/0xad0 [cx231xx]
RSP: 0018:ffff88002bf77988  EFLAGS: 00010246
RAX: ffff8800065cec00 RBX: ffff880006526800 RCX: 0000000000000006
RDX: 0000000000000004 RSI: ffff880010a90000 RDI: ffffffffa079c370
RBP: ffff88002bf779c8 R08: 000000000000000a R09: 0000000000003f10
R10: 0000000000000000 R11: ffff88002bf776be R12: ffff8800120a9800
R13: 0000000000000000 R14: ffff880010a90168 R15: ffff880010a90000
FS:  00007fe26320f7c0(0000) GS:ffff88002e800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 000000000dd3d000 CR4: 00000000000007f0
Stack:
 ffff88000000b110 ffffffff00000004 ffffffffa07a06e0 ffff8800120a9888
 ffff8800120a9800 ffffffffa07a0548 ffff880006525c30 ffffffffa07a06e0
 ffff88002bf77a10 ffffffff81483394 000000002bf779e8 ffff880006525c00
Call Trace:
 [<ffffffff81483394>] usb_probe_interface+0x1c4/0x2f0
 [<ffffffff81404f65>] driver_probe_device+0x125/0x3a0
 [<ffffffff814051e0>] ? driver_probe_device+0x3a0/0x3a0
 [<ffffffff8140521b>] __device_attach+0x3b/0x40
 [<ffffffff81402e43>] bus_for_each_drv+0x63/0xa0
 [<ffffffff81404dc8>] device_attach+0x88/0xa0
 [<ffffffff814040e8>] bus_probe_device+0x98/0xc0
 [<ffffffff81401d64>] device_add+0x4c4/0x7a0
 [<ffffffff8148145b>] usb_set_configuration+0x4eb/0x800
 [<ffffffff8148b67e>] generic_probe+0x2e/0xa0
 [<ffffffff81483182>] usb_probe_device+0x32/0x80
 [<ffffffff81404f65>] driver_probe_device+0x125/0x3a0
 [<ffffffff814051e0>] ? driver_probe_device+0x3a0/0x3a0
 [<ffffffff8140521b>] __device_attach+0x3b/0x40
 [<ffffffff81402e43>] bus_for_each_drv+0x63/0xa0
 [<ffffffff81404dc8>] device_attach+0x88/0xa0
 [<ffffffff814040e8>] bus_probe_device+0x98/0xc0
 [<ffffffff81401d64>] device_add+0x4c4/0x7a0
 [<ffffffff81475d28>] usb_new_device+0x268/0x430
 [<ffffffff81478e98>] hub_thread+0xdc8/0x16c0
 [<ffffffff810a24ae>] ? dequeue_task_fair+0x41e/0x620
 [<ffffffff8108bcf0>] ? wake_up_atomic_t+0x30/0x30
 [<ffffffff814780d0>] ? usb_reset_device+0x1d0/0x1d0
 [<ffffffff8108af30>] kthread+0xc0/0xd0
 [<ffffffff8108ae70>] ? insert_kthread_work+0x40/0x40
 [<ffffffff81676dfc>] ret_from_fork+0x7c/0xb0
 [<ffffffff8108ae70>] ? insert_kthread_work+0x40/0x40
Code: 1c 00 00 0f 8f 98 05 00 00 41 0f b6 97 73 21 00 00 49 8b 84 24 50 03 00 00 4c 89 fe 48 c7 c7 70 c3 79 a0 4c 8b ac d0 a0 00 00 00 <49> 8b 45 00 48 8b 40 18 0f b6 40 02 0f b6 d0 66 41 89 97 18 1e 
RIP  [<ffffffffa078385a>] cx231xx_usb_probe+0x54a/0xad0 [cx231xx]
 RSP <ffff88002bf77988>
Comment 1 Peter H. Jones 2014-02-18 03:45:03 UTC 
Created attachment 864348 [details]
File: dmesg
Comment 2 Justin M. Forbes 2014-02-24 13:59:16 UTC 
*********** MASS BUG UPDATE **************

We apologize for the inconvenience.  There is a large number of bugs to go through and several of them have gone stale.  Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs.

Fedora 20 has now been rebased to 3.13.4-200.fc20.  Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel.

If you experience different issues, please open a new bug report for those.
Comment 3 Justin M. Forbes 2014-03-17 18:42:52 UTC 
*********** MASS BUG UPDATE **************

This bug has been in a needinfo state for several weeks and is being closed with insufficient data due to inactivity. If this is still an issue with Fedora 20, please feel free to reopen the bug and provide the additional information requested.