Bug#840117: DVB: Made crash sometimes.
Package: linux-image-4.7
Severity: important
Dear maintainer,
Since kernel linux-4.7, sometimes dvb module has crashed, need to reboot.
Below is kernel log.
Best regards,
Ohta.
Oct 8 04:12:10 hogefuga kernel: [128981.050249] BUG: unable to handle kernel NULL pointer dereference at (null)
Oct 8 04:12:10 hogefuga kernel: [128981.050301] IP: [<ffffffff9d09a65b>] exit_creds+0x1b/0x50
Oct 8 04:12:10 hogefuga kernel: [128981.050335] PGD 417318067 PUD 4248a3067 PMD 0
Oct 8 04:12:10 hogefuga kernel: [128981.050364] Oops: 0002 [#1] SMP
Oct 8 04:12:10 hogefuga kernel: [128981.050383] Modules linked in: nls_utf8(E) isofs(E) udf(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE)
vboxnetflt(OE) vboxdrv (OE) snd_hrtimer(E) snd_seq(E) cpufreq_conservative(E)
cpufreq_stats(E) cpufreq_userspace(E) cpufreq_powersave(E) binfmt_misc(E) nls_ascii(E) nls_cp437(E) vf
at(E) fat(E) jfs(E) xfs(E) sr_mod(E) cdrom(E) mxm_wmi(E) ata_generic(E) uas(E) pl2303(E) joydev(E) usbserial(E) kvm_amd(E)
kvm(E) irqbypass(E) efi_pstore(E) efivars(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E)
amdkfd(E) radeon(E) k10temp(E) psmouse(E) serio_raw(E) mxl301rf(E) qm1d1c0042(E) fam15h
_power(E) tc90522(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) snd_hda_codec_hdmi(E) earth_pt3(E) snd_hda_intel(E) firewire_ohci(E)
firewire_core(E) crc_itu_t(E) sg(E) dvb_core(E) ttm(E) snd_hda_codec(E) pata_via(E) drm_kms_helper(E) fjes(E) sp5100_tco(E) drm(E) i2c_algo_bit(E)
snd_hda_core(E) wmi(E) floppy(E) pata_atiixp(E) button(E) i2c_piix4(E) acpi_cpufreq(E) tpm_tis(E)
tpm(E) cuse(E) fuse(E) w83627ehf(E) hwmon_vid(E) tg3(E) ptp(E)pps_core(E) libphy(E) snd_usb_audio(E) snd_usbmidi_lib(E) snd_hwdep(E) snd_rawmidi(E)
snd_seq_device(E) snd_dummy(E) snd_pcm(E) snd_timer(E) snd(E) soundcore(E) loop(E) parport_pc(E) ppdev(E) lp(E)
parport(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) overlay(E) aufs(OE) ext4(E) ecb(E) crc16(E) jbd2(E)
mbcache(E) raid10(E) raid456(E) libcrc32c(E) crc32c_generic(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) xor(E) async_tx(E)
raid6_pq(E) raid1(E) raid0(E) multipath(E) linear(E) md_mod(E) zsmalloc(E) deflate(E) lz4hc(E) lz4hc_compress(E) lz4(E) lz4_compress(E) evdev(E) hid_generic(E)
usbhid(E) hid(E) sd_mod(E) usb_storage(E) crc32c_intel(E) ohci_pci(E) aesni_intel(E) aes_x86_64(E) glue_helper(E) lrw(E) gf128mul(E) ablk_helper(E) cryptd(E) ahci(E)
libahci(E) xhci_pci(E) libata(E) ohci_hcd(E) ehci_pci(E) xhci_hcd(E) ehci_hcd(E) usbcore(E) scsi_mod(E) usb_common(E) shpchp(E)
Oct 8 04:12:10 hogefuga kernel: [128981.051446] CPU: 7 PID: 21681 Comm: fuse_b25 Tainted: G OE 4.7.0-1-amd64 #1 Debian 4.7.5-1
Oct 8 04:12:10 hogefuga kernel: [128981.051491] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./990FX Extreme4, BIOS P2.70 06/05/2014
Oct 8 04:12:10 hogefuga kernel: [128981.051540] task: ffff8802c94c6140 ti: ffff88015c120000 task.ti: ffff88015c120000
Oct 8 04:12:10 hogefuga kernel: [128981.051577] RIP: 0010:[<ffffffff9d09a65b>] [<ffffffff9d09a65b>] exit_creds+0x1b/0x50
Oct 8 04:12:10 hogefuga kernel: [128981.051620] RSP: 0018:ffff88015c123cd0 EFLAGS: 00010246
Oct 8 04:12:10 hogefuga kernel: [128981.051647] RAX: ffffffff9da94da8 RBX: ffff880418335080 RCX: 0000000000000000
Oct 8 04:12:10 hogefuga kernel: [128981.051682] RDX: ffffffff9da94dc0 RSI: ffff880418335080 RDI: 0000000000000000
Oct 8 04:12:10 hogefuga kernel: [128981.051717] RBP: ffff880418335080 R08: ffff8804158c7300 R09: 0000000000000040
Oct 8 04:12:10 hogefuga kernel: [128981.051753] R10: ffff8804158c7338 R11: ffff8804295cb0c0 R12: 00000000fffffffc
Oct 8 04:12:10 hogefuga kernel: [128981.051788] R13: ffff88042289b328 R14: ffff88042289b378 R15: 0000000000000000
Oct 8 04:12:10 hogefuga kernel: [128981.051824] FS: 00007f25c5d4e700(0000) GS:ffff88043edc0000(0000) knlGS:0000000000000000
Oct 8 04:12:10 hogefuga kernel: [128981.051864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 8 04:12:10 hogefuga kernel: [128981.051909] CR2: 0000000000000000 CR3: 000000041b6ec000 CR4: 00000000000406e0
Oct 8 04:12:10 hogefuga kernel: [128981.051944] Stack:
Oct 8 04:12:10 hogefuga kernel: [128981.051956] ffff880418335080 ffffffff9d0771d5 0000000000000000 ffff880418335080
Oct 8 04:12:10 hogefuga kernel: [128981.051999] ffffffff9d098d20 ffff88042289b350 ffffc900025d4198 ffff88042289b3f8
Oct 8 04:12:10 hogefuga kernel: [128981.052041] ffffffffc089b06c ffffc900026ee130 ffffc900026ee130 ffff88042289b3f8
Oct 8 04:12:10 hogefuga kernel: [128981.052084] Call Trace:
Oct 8 04:12:10 hogefuga kernel: [128981.052102] [<ffffffff9d0771d5>] ? __put_task_struct+0x55/0x140
Oct 8 04:12:10 hogefuga kernel: [128981.052133] [<ffffffff9d098d20>] ? kthread_stop+0xf0/0x100
Oct 8 04:12:10 hogefuga kernel: [128981.052170] [<ffffffffc089b06c>] ? dmx_section_feed_stop_filtering+0x3c/0x90 [dvb_core]
Oct 8 04:12:10 hogefuga kernel: [128981.052213] [<ffffffffc08987c5>] ? dvb_dmxdev_feed_stop+0x95/0xa0 [dvb_core]
Oct 8 04:12:10 hogefuga kernel: [128981.052253] [<ffffffffc0898ca5>] ? dvb_dmxdev_filter_stop+0x85/0xc0 [dvb_core]
Oct 8 04:12:10 hogefuga kernel: [128981.052294] [<ffffffffc0899545>] ? dvb_demux_do_ioctl+0x325/0x550 [dvb_core]
Oct 8 04:12:10 hogefuga kernel: [128981.052333] [<ffffffffc0897781>] ? dvb_usercopy+0x51/0x160 [dvb_core]
Oct 8 04:12:10 hogefuga kernel: [128981.052367] [<ffffffff9d0ba5f4>] ? __wake_up+0x34/0x50
Oct 8 04:12:10 hogefuga kernel: [128981.052396] [<ffffffff9d5d8fee>] ? mutex_lock+0xe/0x30
Oct 8 04:12:10 hogefuga kernel: [128981.052427] [<ffffffffc0897b31>] ? dvb_demux_ioctl+0x11/0x20 [dvb_core]
Oct 8 04:12:10 hogefuga kernel: [128981.052462] [<ffffffff9d20b09e>] ? do_vfs_ioctl+0x9e/0x5d0
Oct 8 04:12:10 hogefuga kernel: [128981.052492] [<ffffffff9d096f9a>] ? task_work_run+0x7a/0x90
Oct 8 04:12:10 hogefuga kernel: [128981.052520] [<ffffffff9d20b644>] ? SyS_ioctl+0x74/0x80
Oct 8 04:12:10 hogefuga kernel: [128981.052549] [<ffffffff9d5db136>] ? system_call_fast_compare_end+0xc/0x96
Oct 8 04:12:10 hogefuga kernel: [128981.052583] Code: d2 48 89 d0 5b 5d c3 e8 94 fc ff ff 0f 1f 40 00 0f 1f 44 00 00 53 48 89 fb 48 8b bf 40 06 00 00 48 c7
83 40 06 00 00 00 00 00 00 <f0> ff 0f 74 19 48 8b bb 48 06 00 00 48 c7 83 48 06 00 00 00 00
Oct 8 04:12:10 hogefuga kernel: [128981.052774] RIP [<ffffffff9d09a65b>] exit_creds+0x1b/0x50
Oct 8 04:12:10 hogefuga kernel: [128981.052805] RSP <ffff88015c123cd0>
Oct 8 04:12:10 hogefuga kernel: [128981.052824] CR2: 0000000000000000
Oct 8 04:12:10 hogefuga kernel: [128981.065427]
---[ end trace c628101a22734b78 ]---
-- System Information:
Debian Release: stretch/sid
APT prefers unstable-debug
APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'stable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.7.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to ja_JP.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
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