[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 16.081837][ T1664] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.012076][ T1701] random: sshd: uninitialized urandom read (32 bytes read) [ 20.028476][ C1] random: crng init done [ 28.996995][ T1720] can: request_module (can-proto-0) failed. [ 29.008622][ T1720] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.204' (ECDSA) to the list of known hosts. 2019/09/28 17:20:31 parsed 1 programs 2019/09/28 17:20:31 executed programs: 0 [ 35.691800][ T1855] cgroup1: Unknown subsys name 'perf_event' [ 35.693013][ T1859] cgroup1: Unknown subsys name 'perf_event' [ 35.703523][ T1855] cgroup1: Unknown subsys name 'net_cls' [ 35.705584][ T1859] cgroup1: Unknown subsys name 'net_cls' [ 35.718404][ T1861] cgroup1: Unknown subsys name 'perf_event' [ 35.727871][ T1864] cgroup1: Unknown subsys name 'perf_event' [ 35.734543][ T1861] cgroup1: Unknown subsys name 'net_cls' [ 35.741641][ T1867] cgroup1: Unknown subsys name 'perf_event' [ 35.747881][ T1867] cgroup1: Unknown subsys name 'net_cls' [ 35.755748][ T1869] cgroup1: Unknown subsys name 'perf_event' [ 35.762838][ T1864] cgroup1: Unknown subsys name 'net_cls' [ 35.773479][ T1869] cgroup1: Unknown subsys name 'net_cls' [ 38.890759][ T12] usb 3-1: new full-speed USB device number 2 using dummy_hcd [ 38.970703][ T22] usb 6-1: new full-speed USB device number 2 using dummy_hcd [ 39.011570][ T1740] usb 2-1: new full-speed USB device number 2 using dummy_hcd [ 39.070709][ T101] usb 4-1: new full-speed USB device number 2 using dummy_hcd [ 39.110832][ T2851] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 39.130859][ T17] usb 5-1: new full-speed USB device number 2 using dummy_hcd [ 39.260828][ T12] usb 3-1: config 0 has an invalid interface number: 98 but max is 0 [ 39.269314][ T12] usb 3-1: config 0 has no interface number 0 [ 39.275923][ T12] usb 3-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 39.286939][ T12] usb 3-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 39.296473][ T12] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.306568][ T12] usb 3-1: config 0 descriptor?? [ 39.351530][ T22] usb 6-1: config 0 has an invalid interface number: 98 but max is 0 [ 39.353593][ T12] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 39.359643][ T22] usb 6-1: config 0 has no interface number 0 [ 39.359695][ T22] usb 6-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 39.367697][ T12] usb 3-1: usbvision_write_reg: failed: error -2 [ 39.373422][ T22] usb 6-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 39.373437][ T22] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.384429][ T12] usbvision_audio_off: can't write reg [ 39.399578][ T22] usb 6-1: config 0 descriptor?? [ 39.399931][ T1740] usb 2-1: config 0 has an invalid interface number: 98 but max is 0 [ 39.426895][ T1740] usb 2-1: config 0 has no interface number 0 [ 39.433117][ T12] usb 3-1: usbvision_write_reg: failed: error -2 [ 39.439707][ T12] usb 3-1: usbvision_write_reg: failed: error -2 [ 39.446151][ T1740] usb 2-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 39.453014][ T22] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 39.457472][ T1740] usb 2-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 39.469796][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 39.474311][ T1740] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.474745][ T12] usb 3-1: usbvision_write_reg: failed: error -2 [ 39.480865][ T22] usbvision_audio_off: can't write reg [ 39.500089][ T12] usb 3-1: usbvision_write_reg: failed: error -2 [ 39.501067][ T101] usb 4-1: config 0 has an invalid interface number: 98 but max is 0 [ 39.507751][ T12] usb 3-1: usbvision_write_reg: failed: error -2 [ 39.515350][ T101] usb 4-1: config 0 has no interface number 0 [ 39.521564][ T12] usbvision_i2c_register: can't write reg [ 39.534013][ T1740] usb 2-1: config 0 descriptor?? [ 39.541407][ T101] usb 4-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 39.545627][ T12] USBVision[0]: registered USBVision Video device video0 [v4l2] [ 39.552539][ T101] usb 4-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 39.569836][ T101] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.573285][ T1740] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 39.578365][ T2851] usb 1-1: config 0 has an invalid interface number: 98 but max is 0 [ 39.591568][ T12] USBVision[0]: registered USBVision Radio device radio0 [v4l2] [ 39.593628][ T2851] usb 1-1: config 0 has no interface number 0 [ 39.593726][ T17] usb 5-1: config 0 has an invalid interface number: 98 but max is 0 [ 39.602522][ T1740] usb 2-1: usbvision_write_reg: failed: error -2 [ 39.607423][ T17] usb 5-1: config 0 has no interface number 0 [ 39.615927][ T1740] usbvision_audio_off: can't write reg [ 39.630746][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 39.638891][ T2870] usbvision_set_video_format: ERROR=-2. USBVISION stopped - reconnect or reload driver. [ 39.640304][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 39.653309][ T12] usb 3-1: USB disconnect, device number 2 [ 39.663071][ T2870] usb 3-1: usbvision_set_dram_settings: ERROR=-19 [ 39.666327][ T2851] usb 1-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 39.674991][ T2870] usbvision_set_compression_params: ERROR=-19. USBVISION stopped - reconnect or reload driver. [ 39.680501][ T2851] usb 1-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 39.691023][ T1740] usb 2-1: usbvision_write_reg: failed: error -2 [ 39.699832][ T2851] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.701006][ T17] usb 5-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 39.706551][ T2870] usb 3-1: usbvision_write_reg: failed: error -19 [ 39.714252][ T17] usb 5-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 39.714265][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.716087][ T101] usb 4-1: config 0 descriptor?? [ 39.725284][ T2870] usbvision_set_input: ERROR=-19. USBVISION stopped - reconnect or reload driver. [ 39.728842][ T1740] usb 2-1: usbvision_write_reg: failed: error -2 [ 39.732746][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 39.741761][ T2870] usb 3-1: usbvision_set_output failed: error -19 [ 39.761513][ T2851] usb 1-1: config 0 descriptor?? [ 39.767308][ T1740] usb 2-1: usbvision_write_reg: failed: error -2 [ 39.776250][ T17] usb 5-1: config 0 descriptor?? [ 39.788729][ T1740] usb 2-1: usbvision_write_reg: failed: error -2 [ 39.791989][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 39.795820][ T2870] usb 3-1: usbvision_write_reg: failed: error -19 [ 39.800972][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 39.807296][ T1740] usb 2-1: usbvision_write_reg: failed: error -2 [ 39.813397][ T22] usbvision_i2c_register: can't write reg [ 39.819804][ T1740] usbvision_i2c_register: can't write reg [ 39.826940][ T2870] usb 3-1: usbvision_write_reg: failed: error -19 [ 39.835734][ T1740] USBVision[2]: registered USBVision Video device video1 [v4l2] [ 39.840443][ T101] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 39.849544][ T1740] USBVision[2]: registered USBVision Radio device radio1 [v4l2] [ 39.853032][ T2851] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 39.867296][ T1740] usb 2-1: USB disconnect, device number 2 [ 39.876333][ T17] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 39.898955][ T2870] usb 3-1: usbvision_read_reg: failed: error -19 [ 39.905185][ T2877] usb 2-1: usbvision_write_reg: failed: error -19 [ 39.909515][ T2870] usb 3-1: usbvision_write_reg: failed: error -19 [ 39.911860][ T2877] usbvision_set_audio: can't write iopin register for audio switching [ 39.918202][ T2870] usbvision_set_audio: can't write iopin register for audio switching [ 39.934975][ T2872] video4linux radio0: usbvision_radio_open: Someone tried to open an already opened USBVision Radio! [ 39.946571][ T101] usb 4-1: usbvision_write_reg: failed: error -2 [ 39.948806][ T12] usbvision_disconnect: In use, disconnect pending [ 39.953049][ T101] usbvision_audio_off: can't write reg [ 39.955009][ T17] usb 5-1: usbvision_write_reg: failed: error -2 [ 39.971977][ T17] usbvision_audio_off: can't write reg [ 39.981173][ T22] USBVision[1]: registered USBVision Video device video0 [v4l2] [ 39.981919][ T1740] usbvision_disconnect: In use, disconnect pending [ 39.989364][ T101] usb 4-1: usbvision_write_reg: failed: error -2 [ 40.002667][ T2851] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.003348][ T2877] usbvision_radio_close: Final disconnect [ 40.009018][ T2851] usbvision_audio_off: can't write reg [ 40.009103][ T2851] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.018322][ T2877] ================================================================== [ 40.023399][ T22] USBVision[1]: registered USBVision Radio device radio0 [v4l2] [ 40.027135][ T2877] BUG: KASAN: use-after-free in v4l2_release+0x2f1/0x390 [ 40.035433][ T101] usb 4-1: usbvision_write_reg: failed: error -2 [ 40.042864][ T2877] Read of size 4 at addr ffff8881c768b128 by task v4l_id/2877 [ 40.042868][ T2877] [ 40.042880][ T2877] CPU: 0 PID: 2877 Comm: v4l_id Not tainted 5.3.0-rc7+ #0 [ 40.042886][ T2877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.042890][ T2877] Call Trace: [ 40.042909][ T2877] dump_stack+0xca/0x13e [ 40.042926][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.050188][ T2851] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.056249][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.056264][ T2877] print_address_description+0x6a/0x32c [ 40.056280][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.065479][ T17] usb 5-1: usbvision_write_reg: failed: error -2 [ 40.066117][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.076124][ T22] usb 6-1: USB disconnect, device number 2 [ 40.083341][ T2877] __kasan_report.cold+0x1a/0x33 [ 40.083358][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.083370][ T2877] ? usbvision_disconnect+0x290/0x290 [ 40.083378][ T2877] kasan_report+0xe/0x12 [ 40.083394][ T2877] v4l2_release+0x2f1/0x390 [ 40.088151][ T101] usb 4-1: usbvision_write_reg: failed: error -2 [ 40.091045][ T2877] ? dev_debug_store+0x100/0x100 [ 40.091057][ T2877] __fput+0x2d7/0x840 [ 40.091070][ T2877] task_work_run+0x13f/0x1c0 [ 40.091086][ T2877] exit_to_usermode_loop+0x1d2/0x200 [ 40.106046][ T17] usb 5-1: usbvision_write_reg: failed: error -2 [ 40.106892][ T2877] do_syscall_64+0x45f/0x580 [ 40.113575][ T2851] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.117142][ T2877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.134726][ T17] usb 5-1: usbvision_write_reg: failed: error -2 [ 40.138934][ T2877] RIP: 0033:0x7f070a7402b0 [ 40.154218][ T101] usb 4-1: usbvision_write_reg: failed: error -2 [ 40.157684][ T2877] Code: 40 75 0b 31 c0 48 83 c4 08 e9 0c ff ff ff 48 8d 3d c5 32 08 00 e8 c0 07 02 00 83 3d 45 a3 2b 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce 8a 01 00 48 89 04 24 [ 40.164184][ T101] usb 4-1: usbvision_write_reg: failed: error -2 [ 40.168959][ T2877] RSP: 002b:00007fff49f97d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 40.173053][ T101] usbvision_i2c_register: can't write reg [ 40.177667][ T2877] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f070a7402b0 [ 40.183406][ T2851] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.189242][ T2877] RDX: 0000000000000013 RSI: 0000000080685600 RDI: 0000000000000003 [ 40.194001][ T17] usb 5-1: usbvision_write_reg: failed: error -2 [ 40.200348][ T2877] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.200360][ T2877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 40.206806][ T2851] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.212589][ T2877] R13: 00007fff49f97e80 R14: 0000000000000000 R15: 0000000000000000 [ 40.212604][ T2877] [ 40.212612][ T2877] Allocated by task 1740: [ 40.212632][ T2877] save_stack+0x1b/0x80 [ 40.212649][ T2877] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 40.217041][ T2851] usbvision_i2c_register: can't write reg [ 40.223580][ T2877] usbvision_probe.cold+0x586/0x1e56 [ 40.223592][ T2877] usb_probe_interface+0x305/0x7a0 [ 40.223606][ T2877] really_probe+0x281/0x6d0 [ 40.223615][ T2877] driver_probe_device+0x101/0x1b0 [ 40.223625][ T2877] __device_attach_driver+0x1c2/0x220 [ 40.223634][ T2877] bus_for_each_drv+0x162/0x1e0 [ 40.223651][ T2877] __device_attach+0x217/0x360 [ 40.244190][ T17] usb 5-1: usbvision_write_reg: failed: error -2 [ 40.249866][ T2877] bus_probe_device+0x1e4/0x290 [ 40.258286][ T17] usbvision_i2c_register: can't write reg [ 40.263956][ T2877] device_add+0xae6/0x16f0 [ 40.263972][ T2877] usb_set_configuration+0xdf6/0x1670 [ 40.263984][ T2877] generic_probe+0x9d/0xd5 [ 40.263993][ T2877] usb_probe_device+0x99/0x100 [ 40.264007][ T2877] really_probe+0x281/0x6d0 [ 40.278973][ T101] USBVision[3]: registered USBVision Video device video1 [v4l2] [ 40.286536][ T2877] driver_probe_device+0x101/0x1b0 [ 40.286548][ T2877] __device_attach_driver+0x1c2/0x220 [ 40.286562][ T2877] bus_for_each_drv+0x162/0x1e0 [ 40.286571][ T2877] __device_attach+0x217/0x360 [ 40.286579][ T2877] bus_probe_device+0x1e4/0x290 [ 40.286587][ T2877] device_add+0xae6/0x16f0 [ 40.286599][ T2877] usb_new_device.cold+0x6a4/0xe79 [ 40.286615][ T2877] hub_event+0x1b5c/0x3640 [ 40.298407][ T17] USBVision[4]: registered USBVision Video device video2 [v4l2] [ 40.301159][ T2877] process_one_work+0x92b/0x1530 [ 40.301170][ T2877] worker_thread+0x96/0xe20 [ 40.301179][ T2877] kthread+0x318/0x420 [ 40.301191][ T2877] ret_from_fork+0x24/0x30 [ 40.301195][ T2877] [ 40.301208][ T2877] Freed by task 2877: [ 40.314473][ T17] USBVision[4]: registered USBVision Radio device radio0 [v4l2] [ 40.315607][ T2877] save_stack+0x1b/0x80 [ 40.327927][ T2851] USBVision[5]: registered USBVision Video device video3 [v4l2] [ 40.330291][ T2877] __kasan_slab_free+0x130/0x180 [ 40.337719][ T2851] USBVision[5]: registered USBVision Radio device radio2 [v4l2] [ 40.340127][ T2877] kfree+0xe4/0x2f0 [ 40.349404][ T101] USBVision[3]: registered USBVision Radio device radio3 [v4l2] [ 40.351116][ T2877] usbvision_release+0xc3/0x100 [ 40.351127][ T2877] usbvision_radio_close.cold+0x2b/0x74 [ 40.351140][ T2877] v4l2_release+0x2e7/0x390 [ 40.351151][ T2877] __fput+0x2d7/0x840 [ 40.351167][ T2877] task_work_run+0x13f/0x1c0 [ 40.385312][ T2885] usbvision_set_video_format: ERROR=-2. USBVISION stopped - reconnect or reload driver. [ 40.387116][ T2877] exit_to_usermode_loop+0x1d2/0x200 [ 40.402470][ T2888] usb 5-1: usbvision_write_reg: failed: error -2 [ 40.407606][ T2877] do_syscall_64+0x45f/0x580 [ 40.412125][ T2888] usbvision_set_audio: can't write iopin register for audio switching [ 40.416936][ T2877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.421851][ T2885] usb 1-1: usbvision_set_dram_settings: ERROR=-2 [ 40.429039][ T2877] [ 40.434199][ T2885] usbvision_set_compression_params: ERROR=-2. USBVISION stopped - reconnect or reload driver. [ 40.439474][ T2877] The buggy address belongs to the object at ffff8881c768a100 [ 40.439474][ T2877] which belongs to the cache kmalloc-8k of size 8192 [ 40.439484][ T2877] The buggy address is located 4136 bytes inside of [ 40.439484][ T2877] 8192-byte region [ffff8881c768a100, ffff8881c768c100) [ 40.439487][ T2877] The buggy address belongs to the page: [ 40.439498][ T2877] page:ffffea00071da200 refcount:1 mapcount:0 mapping:ffff8881da00c500 index:0x0 compound_mapcount: 0 [ 40.445611][ T2885] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.449116][ T2877] flags: 0x200000000010200(slab|head) [ 40.453984][ T2885] usbvision_set_input: ERROR=-2. USBVISION stopped - reconnect or reload driver. [ 40.458338][ T2877] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c500 [ 40.463822][ T2885] usb 1-1: usbvision_set_output failed: error -2 [ 40.467824][ T2877] raw: 0000000000000000 0000000080030003 00000001ffffffff 0000000000000000 [ 40.475513][ T2885] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.480485][ T2877] page dumped because: kasan: bad access detected [ 40.485377][ T2885] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.489026][ T2877] [ 40.493488][ T2885] usb 1-1: usbvision_read_reg: failed: error -2 [ 40.495726][ T2877] Memory state around the buggy address: [ 40.499732][ T2885] usb 1-1: usbvision_write_reg: failed: error -2 [ 40.507294][ T2877] ffff8881c768b000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 40.507302][ T2877] ffff8881c768b080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 40.507310][ T2877] >ffff8881c768b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 40.507314][ T2877] ^ [ 40.507321][ T2877] ffff8881c768b180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 40.507329][ T2877] ffff8881c768b200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 40.507333][ T2877] ================================================================== [ 40.507336][ T2877] Disabling lock debugging due to kernel taint [ 40.507770][ T2877] Kernel panic - not syncing: panic_on_warn set ... [ 40.511690][ T2885] usbvision_set_audio: can't write iopin register for audio switching [ 40.519100][ T2877] CPU: 0 PID: 2877 Comm: v4l_id Tainted: G B 5.3.0-rc7+ #0 [ 40.529251][ T2883] video4linux radio2: usbvision_radio_open: Someone tried to open an already opened USBVision Radio! [ 40.531874][ T2877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.531882][ T2877] Call Trace: [ 40.531903][ T2877] dump_stack+0xca/0x13e [ 40.531919][ T2877] panic+0x2a3/0x6da [ 40.539748][ T2884] usb 4-1: usbvision_write_reg: failed: error -2 [ 40.543330][ T2877] ? add_taint.cold+0x16/0x16 [ 40.543344][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.543356][ T2877] ? trace_hardirqs_on+0x55/0x1e0 [ 40.543365][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.543384][ T2877] end_report+0x43/0x49 [ 40.548216][ T2884] usbvision_set_audio: can't write iopin register for audio switching [ 40.553737][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.553747][ T2877] __kasan_report.cold+0xd/0x33 [ 40.553755][ T2877] ? v4l2_release+0x2f1/0x390 [ 40.553772][ T2877] ? usbvision_disconnect+0x290/0x290 [ 40.574286][ T17] usb 5-1: USB disconnect, device number 2 [ 40.576601][ T2877] kasan_report+0xe/0x12 [ 40.576616][ T2877] v4l2_release+0x2f1/0x390 [ 40.576632][ T2877] ? dev_debug_store+0x100/0x100 [ 40.582049][ T101] usb 1-1: USB disconnect, device number 2 [ 40.588364][ T2877] __fput+0x2d7/0x840 [ 40.588379][ T2877] task_work_run+0x13f/0x1c0 [ 40.588391][ T2877] exit_to_usermode_loop+0x1d2/0x200 [ 40.588407][ T2877] do_syscall_64+0x45f/0x580 [ 40.593483][ T2851] usb 4-1: USB disconnect, device number 2 [ 40.601119][ T2877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.601129][ T2877] RIP: 0033:0x7f070a7402b0 [ 40.601141][ T2877] Code: 40 75 0b 31 c0 48 83 c4 08 e9 0c ff ff ff 48 8d 3d c5 32 08 00 e8 c0 07 02 00 83 3d 45 a3 2b 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce 8a 01 00 48 89 04 24 [ 40.601146][ T2877] RSP: 002b:00007fff49f97d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 40.601162][ T2877] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f070a7402b0 [ 40.615513][ T101] usbvision_disconnect: In use, disconnect pending [ 40.615665][ T2877] RDX: 0000000000000013 RSI: 0000000080685600 RDI: 0000000000000003 [ 40.615671][ T2877] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.615682][ T2877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 41.058456][ T2877] R13: 00007fff49f97e80 R14: 0000000000000000 R15: 0000000000000000 [ 41.067646][ T2877] Kernel Offset: disabled [ 41.072068][ T2877] Rebooting in 86400 seconds..