[....] Starting periodic command[ 14.909064][ T1659] random: sshd: uninitialized urandom read (32 bytes read) scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.857699][ T1698] random: sshd: uninitialized urandom read (32 bytes read) [ 22.296461][ C1] random: crng init done [ 31.525905][ T1737] can: request_module (can-proto-0) failed. [ 31.574884][ T1737] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.26' (ECDSA) to the list of known hosts. 2019/09/25 20:18:15 parsed 1 programs 2019/09/25 20:18:15 executed programs: 0 [ 38.275906][ T1857] cgroup1: Unknown subsys name 'perf_event' [ 38.282798][ T1861] cgroup1: Unknown subsys name 'perf_event' [ 38.282887][ T1859] cgroup1: Unknown subsys name 'perf_event' [ 38.289758][ T1863] cgroup1: Unknown subsys name 'perf_event' [ 38.295452][ T1857] cgroup1: Unknown subsys name 'net_cls' [ 38.301296][ T1861] cgroup1: Unknown subsys name 'net_cls' [ 38.307228][ T1859] cgroup1: Unknown subsys name 'net_cls' [ 38.315652][ T1863] cgroup1: Unknown subsys name 'net_cls' [ 38.324824][ T1865] cgroup1: Unknown subsys name 'perf_event' [ 38.332146][ T1868] cgroup1: Unknown subsys name 'perf_event' [ 38.338567][ T1865] cgroup1: Unknown subsys name 'net_cls' [ 38.347015][ T1868] cgroup1: Unknown subsys name 'net_cls' [ 41.458137][ T22] usb 6-1: new full-speed USB device number 2 using dummy_hcd [ 41.557928][ T101] usb 3-1: new full-speed USB device number 2 using dummy_hcd [ 41.587904][ T17] usb 4-1: new full-speed USB device number 2 using dummy_hcd [ 41.597955][ T12] usb 2-1: new full-speed USB device number 2 using dummy_hcd [ 41.608168][ T1739] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 41.627923][ T1740] usb 5-1: new full-speed USB device number 2 using dummy_hcd [ 41.818112][ T22] usb 6-1: config 0 has an invalid interface number: 98 but max is 0 [ 41.826383][ T22] usb 6-1: config 0 has no interface number 0 [ 41.832790][ T22] usb 6-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 41.843769][ T22] usb 6-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 41.852870][ T22] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.862408][ T22] usb 6-1: config 0 descriptor?? [ 41.900501][ T22] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 41.908598][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 41.915112][ T22] usbvision_audio_off: can't write reg [ 41.920938][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 41.927318][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 41.933985][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 41.938094][ T101] usb 3-1: config 0 has an invalid interface number: 98 but max is 0 [ 41.948410][ T101] usb 3-1: config 0 has no interface number 0 [ 41.950599][ T17] usb 4-1: config 0 has an invalid interface number: 98 but max is 0 [ 41.955109][ T101] usb 3-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 41.962601][ T17] usb 4-1: config 0 has no interface number 0 [ 41.962640][ T17] usb 4-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 41.962665][ T17] usb 4-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 41.962679][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.963261][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 41.973694][ T101] usb 3-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 41.973707][ T101] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.979722][ T101] usb 3-1: config 0 descriptor?? [ 41.980234][ T17] usb 4-1: config 0 descriptor?? [ 41.991507][ T12] usb 2-1: config 0 has an invalid interface number: 98 but max is 0 [ 42.000024][ T1739] usb 1-1: config 0 has an invalid interface number: 98 but max is 0 [ 42.008080][ T12] usb 2-1: config 0 has no interface number 0 [ 42.014349][ T1739] usb 1-1: config 0 has no interface number 0 [ 42.023642][ T1740] usb 5-1: config 0 has an invalid interface number: 98 but max is 0 [ 42.035093][ T22] usb 6-1: usbvision_write_reg: failed: error -2 [ 42.036315][ T1740] usb 5-1: config 0 has no interface number 0 [ 42.037128][ T1740] usb 5-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 42.041344][ T22] usbvision_i2c_register: can't write reg [ 42.042800][ T1739] usb 1-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 42.049578][ T1740] usb 5-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 42.049592][ T1740] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.054394][ T1740] usb 5-1: config 0 descriptor?? [ 42.057741][ T1739] usb 1-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 42.064300][ T12] usb 2-1: config 0 interface 98 altsetting 0 endpoint 0x87 has an invalid bInterval 0, changing to 4 [ 42.069982][ T1739] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.070797][ T22] USBVision[0]: registered USBVision Video device video0 [v4l2] [ 42.078171][ T12] usb 2-1: New USB device found, idVendor=0573, idProduct=4d20, bcdDevice=e0.bd [ 42.078185][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.079882][ T12] usb 2-1: config 0 descriptor?? [ 42.094100][ T22] USBVision[0]: registered USBVision Radio device radio0 [v4l2] [ 42.103542][ T101] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 42.110573][ T17] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 42.120990][ T101] usb 3-1: usbvision_write_reg: failed: error -2 [ 42.136256][ T1739] usb 1-1: config 0 descriptor?? [ 42.141231][ T101] usbvision_audio_off: can't write reg [ 42.164367][ T2871] usb 6-1: usbvision_write_reg: failed: error -2 [ 42.170956][ T1740] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 42.176945][ T2871] usbvision_set_audio: can't write iopin register for audio switching [ 42.212828][ T1740] usb 5-1: usbvision_write_reg: failed: error -2 [ 42.220511][ T22] usb 6-1: USB disconnect, device number 2 [ 42.221845][ T1740] usbvision_audio_off: can't write reg [ 42.229378][ T17] usb 4-1: usbvision_write_reg: failed: error -2 [ 42.242340][ T1740] usb 5-1: usbvision_write_reg: failed: error -2 [ 42.245040][ T17] usbvision_audio_off: can't write reg [ 42.255211][ T22] usbvision_disconnect: In use, disconnect pending [ 42.263085][ T12] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 42.270126][ T17] usb 4-1: usbvision_write_reg: failed: error -2 [ 42.274066][ T12] usb 2-1: usbvision_write_reg: failed: error -2 [ 42.285970][ T17] usb 4-1: usbvision_write_reg: failed: error -2 [ 42.291532][ T12] usbvision_audio_off: can't write reg [ 42.295081][ T101] usb 3-1: usbvision_write_reg: failed: error -2 [ 42.299385][ T1739] usbvision_probe: Hauppauge WinTV USB Pro (NTSC M/N) V3 found [ 42.303877][ T1740] usb 5-1: usbvision_write_reg: failed: error -2 [ 42.317906][ T17] usb 4-1: usbvision_write_reg: failed: error -2 [ 42.325159][ T101] usb 3-1: usbvision_write_reg: failed: error -2 [ 42.346763][ T1739] usb 1-1: usbvision_write_reg: failed: error -2 [ 42.350706][ T12] usb 2-1: usbvision_write_reg: failed: error -2 [ 42.356054][ T1739] usbvision_audio_off: can't write reg [ 42.357328][ T1739] usb 1-1: usbvision_write_reg: failed: error -2 [ 42.362720][ T12] usb 2-1: usbvision_write_reg: failed: error -2 [ 42.362782][ T12] usb 2-1: usbvision_write_reg: failed: error -2 [ 42.373979][ T2871] video4linux radio0: AS Power gone: radio close 1 [ 42.388760][ T1740] usb 5-1: usbvision_write_reg: failed: error -2 [ 42.398633][ T17] usb 4-1: usbvision_write_reg: failed: error -2 [ 42.410342][ T101] usb 3-1: usbvision_write_reg: failed: error -2 [ 42.413721][ T1739] usb 1-1: usbvision_write_reg: failed: error -2 [ 42.429734][ T12] usb 2-1: usbvision_write_reg: failed: error -2 [ 42.432660][ T17] usb 4-1: usbvision_write_reg: failed: error -2 [ 42.438810][ T1740] usb 5-1: usbvision_write_reg: failed: error -2 [ 42.445009][ T17] usbvision_i2c_register: can't write reg [ 42.445305][ T2871] video4linux radio0: AS Power gone: radio close 2 [ 42.451683][ T12] usb 2-1: usbvision_write_reg: failed: error -2 [ 42.465503][ T17] USBVision[3]: registered USBVision Video device video1 [v4l2] [ 42.470210][ T12] usbvision_i2c_register: can't write reg [ 42.470392][ T101] usb 3-1: usbvision_write_reg: failed: error -2 [ 42.476894][ T1739] usb 1-1: usbvision_write_reg: failed: error -2 [ 42.485417][ T1740] usb 5-1: usbvision_write_reg: failed: error -2 [ 42.509201][ T1740] usbvision_i2c_register: can't write reg [ 42.509208][ T17] USBVision[3]: registered USBVision Radio device radio1 [v4l2] [ 42.515893][ T2871] video4linux radio0: AS Power gone: radio close 3 [ 42.527362][ T101] usb 3-1: usbvision_write_reg: failed: error -2 [ 42.529792][ T17] usb 4-1: USB disconnect, device number 2 [ 42.535762][ T101] usbvision_i2c_register: can't write reg [ 42.536658][ T2879] usb 4-1: usbvision_write_reg: failed: error -19 [ 42.546378][ T2871] video4linux radio0: AS Power gone: radio close 4 [ 42.547389][ T2879] usbvision_set_audio: can't write iopin register for audio switching [ 42.548697][ T2879] video4linux radio1: AS Power ok: radio close 1 [ 42.553880][ T2871] usbvision_radio_close: Final disconnect [ 42.560459][ T2879] video4linux radio1: AS Power ok: radio close 2 [ 42.578616][ T1739] usb 1-1: usbvision_write_reg: failed: error -2 [ 42.581194][ T101] USBVision[1]: registered USBVision Video device video3 [v4l2] [ 42.587382][ T1739] usb 1-1: usbvision_write_reg: failed: error -2 [ 42.594034][ T12] USBVision[4]: registered USBVision Video device video2 [v4l2] [ 42.601628][ T1739] usbvision_i2c_register: can't write reg [ 42.602832][ T1739] USBVision[5]: registered USBVision Video device video4 [v4l2] [ 42.617541][ T2879] video4linux radio1: AS Power ok: radio close 3 [ 42.624783][ T2871] video4linux radio0: AS Power gone: unregister_video [ 42.629492][ T12] USBVision[4]: registered USBVision Radio device radio3 [v4l2] [ 42.643562][ T2871] ------------[ cut here ]------------ [ 42.650404][ T101] USBVision[1]: registered USBVision Radio device radio2 [v4l2] [ 42.655565][ T2871] sysfs group 'power' not found for kobject 'radio0' [ 42.655640][ T2871] WARNING: CPU: 1 PID: 2871 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 42.663478][ T1740] USBVision[2]: registered USBVision Video device video5 [v4l2] [ 42.669866][ T2871] Kernel panic - not syncing: panic_on_warn set ... [ 42.669879][ T2871] CPU: 1 PID: 2871 Comm: v4l_id Not tainted 5.3.0-rc7+ #0 [ 42.669886][ T2871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.669890][ T2871] Call Trace: [ 42.669905][ T2871] dump_stack+0xca/0x13e [ 42.669921][ T2871] ? sysfs_remove_group+0x110/0x1b0 [ 42.697360][ T2879] usb 4-1: usbvision_write_reg: failed: error -19 [ 42.700483][ T2871] panic+0x2a3/0x6da [ 42.700495][ T2871] ? add_taint.cold+0x16/0x16 [ 42.700509][ T2871] ? __probe_kernel_read+0x188/0x1d0 [ 42.700518][ T2871] ? __warn.cold+0x5/0x4a [ 42.700525][ T2871] ? __warn+0xe3/0x1e0 [ 42.700541][ T2871] ? sysfs_remove_group+0x155/0x1b0 [ 42.710603][ T2879] usbvision_audio_off: can't write reg [ 42.713858][ T2871] __warn.cold+0x20/0x4a [ 42.719372][ T101] usb 3-1: USB disconnect, device number 2 [ 42.723252][ T2871] ? sysfs_remove_group+0x155/0x1b0 [ 42.723265][ T2871] report_bug+0x262/0x2a0 [ 42.723277][ T2871] do_error_trap+0x12b/0x1e0 [ 42.723291][ T2871] ? sysfs_remove_group+0x155/0x1b0 [ 42.733269][ T2887] usb 3-1: usbvision_write_reg: failed: error -19 [ 42.733586][ T2871] do_invalid_op+0x32/0x40 [ 42.738280][ T2887] usbvision_set_audio: can't write iopin register for audio switching [ 42.743509][ T2871] ? sysfs_remove_group+0x155/0x1b0 [ 42.750043][ T12] usb 2-1: USB disconnect, device number 2 [ 42.751859][ T2871] invalid_op+0x23/0x30 [ 42.751874][ T2871] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 42.751889][ T2871] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 e0 c8 d0 85 e8 a0 0e 8b ff <0f> 0b eb 95 e8 e2 d1 db ff e9 d2 fe ff ff 48 89 df e8 d5 d1 db ff [ 42.757474][ T2887] video4linux radio2: AS Power ok: radio close 1 [ 42.762617][ T2871] RSP: 0018:ffff8881d6287c50 EFLAGS: 00010286 [ 42.762627][ T2871] RAX: 0000000000000000 RBX: ffffffff85f2d700 RCX: 0000000000000000 [ 42.762633][ T2871] RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103ac50f7c [ 42.762640][ T2871] RBP: 0000000000000000 R08: ffff8881d66db000 R09: ffffed103b663ee7 [ 42.762647][ T2871] R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: ffff8881cf2f2bd8 [ 42.762654][ T2871] R13: ffffffff85f2dca0 R14: 0000000000000000 R15: ffff8881cf2f3078 [ 42.762666][ T2871] ? vprintk_func+0x7d/0x113 [ 42.762681][ T2871] dpm_sysfs_remove+0x97/0xb0 [ 42.767618][ T12] video4linux radio3: AS Power ok: unregister_video [ 42.772714][ T2871] device_del+0x12a/0xb10 [ 42.772725][ T2871] ? __device_links_no_driver+0x240/0x240 [ 42.772738][ T2871] ? wait_for_completion+0x3c0/0x3c0 [ 42.772749][ T2871] device_unregister+0x11/0x30 [ 42.772767][ T2871] video_unregister_device+0xa2/0xc0 [ 42.778509][ T101] usbvision_disconnect: In use, disconnect pending [ 42.782252][ T2871] usbvision_unregister_video+0x92/0x130 [ 42.782263][ T2871] usbvision_release+0x10d/0x1c0 [ 42.782274][ T2871] usbvision_radio_close.cold+0x2b/0x74 [ 42.782283][ T2871] ? usbvision_disconnect+0x1e0/0x1e0 [ 42.782297][ T2871] v4l2_release+0x2e7/0x390 [ 42.786946][ T2887] video4linux radio2: AS Power ok: radio close 2 [ 42.792031][ T2871] ? dev_debug_store+0x100/0x100 [ 42.792043][ T2871] __fput+0x2d7/0x840 [ 42.792056][ T2871] task_work_run+0x13f/0x1c0 [ 42.792068][ T2871] exit_to_usermode_loop+0x1d2/0x200 [ 42.792082][ T2871] do_syscall_64+0x45f/0x580 [ 42.799779][ T2879] video4linux radio1: AS Power ok: radio close 4 [ 42.802889][ T2871] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.802899][ T2871] RIP: 0033:0x7f12e98e02b0 [ 42.802912][ T2871] 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 [ 42.802923][ T2871] RSP: 002b:00007fff2e9b9b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 42.811452][ T2878] usbvision_set_video_format: ERROR=-19. USBVISION stopped - reconnect or reload driver. [ 42.816225][ T2871] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f12e98e02b0 [ 42.816232][ T2871] RDX: 0000000000000013 RSI: 0000000080685600 RDI: 0000000000000003 [ 42.816238][ T2871] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.816245][ T2871] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 42.816252][ T2871] R13: 00007fff2e9b9c60 R14: 0000000000000000 R15: 0000000000000000 [ 42.822883][ T2871] Kernel Offset: disabled [ 43.107053][ T2871] Rebooting in 86400 seconds..