INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command 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 Warning: Permanently added '10.128.0.149' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 27.164550][ T71] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.164558][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 27.179847][ T1812] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 27.187390][ T5] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 27.194889][ T94] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 27.195013][ T1815] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 27.274845][ T71] usb 1-1: Using ep0 maxpacket: 16 [ 27.284920][ T94] usb 4-1: Using ep0 maxpacket: 16 [ 27.294758][ T12] usb 6-1: Using ep0 maxpacket: 16 [ 27.300176][ T1812] usb 3-1: Using ep0 maxpacket: 16 [ 27.305632][ T5] usb 5-1: Using ep0 maxpacket: 16 [ 27.310915][ T1815] usb 2-1: Using ep0 maxpacket: 16 [ 27.394866][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.405345][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.416415][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.424822][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.426258][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.447366][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.458320][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.468129][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.479099][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.488898][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.499958][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.509679][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.514708][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.530389][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.541595][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.551642][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.604685][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.614796][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.625740][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.635427][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.644680][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.646442][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.656093][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.665753][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.677373][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.687958][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.697579][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.718260][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.774642][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.784627][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.795578][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.804709][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.805263][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.814954][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.836908][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.846654][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.857610][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.867346][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.878303][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.887995][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.904618][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.914507][ T94] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.925437][ T94] usb 4-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 27.934629][ T94] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.942700][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.952393][ T71] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.963608][ T71] usb 1-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 27.972717][ T71] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.982255][ T94] usb 4-1: config 0 descriptor?? [ 27.984739][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 27.997014][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 27.998782][ T71] usb 1-1: config 0 descriptor?? [ 28.007999][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.008017][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.008113][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.036867][ T94] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 28.043779][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.062568][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.071979][ T94] usb 4-1: usbvision_write_reg: failed: error -90 [ 28.072301][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.078792][ T94] usbvision_audio_off: can't write reg [ 28.094728][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.097062][ T71] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 28.105066][ T5] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.114945][ T71] usb 1-1: usbvision_write_reg: failed: error -90 [ 28.123460][ T5] usb 5-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 28.130288][ T71] usbvision_audio_off: can't write reg [ 28.140273][ T71] usb 1-1: usbvision_write_reg: failed: error -90 [ 28.145533][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.149635][ T5] usb 5-1: config 0 descriptor?? [ 28.158161][ T94] usb 4-1: usbvision_write_reg: failed: error -90 [ 28.172056][ T71] usb 1-1: usbvision_write_reg: failed: error -90 [ 28.178649][ T71] usb 1-1: usbvision_write_reg: failed: error -90 [ 28.184671][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.195186][ T1812] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.195886][ T94] usb 4-1: usbvision_write_reg: failed: error -90 [ 28.206141][ T1812] usb 3-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 28.206162][ T1812] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.206238][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.206255][ T1815] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.206277][ T1815] usb 2-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 28.206291][ T1815] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.206829][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.213228][ T94] usb 4-1: usbvision_write_reg: failed: error -90 [ 28.221997][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 28.240309][ T71] usb 1-1: usbvision_write_reg: failed: error -90 [ 28.250613][ T12] usb 6-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 28.250630][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.259937][ T94] usb 4-1: usbvision_write_reg: failed: error -90 executing program executing program [ 28.269254][ T1815] usb 2-1: config 0 descriptor?? [ 28.285170][ T71] usb 1-1: usbvision_write_reg: failed: error -90 [ 28.297699][ T5] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 28.301611][ T71] usbvision_i2c_register: can't write reg [ 28.320029][ T94] usb 4-1: usbvision_write_reg: failed: error -90 [ 28.320036][ T94] usbvision_i2c_register: can't write reg [ 28.326822][ T71] USBVision[1]: registered USBVision Video device video0 [v4l2] [ 28.332563][ T5] usb 5-1: usbvision_write_reg: failed: error -90 [ 28.342733][ T94] USBVision[0]: registered USBVision Video device video1 [v4l2] [ 28.345718][ T5] usbvision_audio_off: can't write reg [ 28.346238][ T1812] usb 3-1: config 0 descriptor?? [ 28.360187][ T94] USBVision[0]: registered USBVision Radio device radio0 [v4l2] [ 28.369190][ T1815] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 28.379776][ T71] USBVision[1]: registered USBVision Radio device radio1 [v4l2] [ 28.399710][ T5] usb 5-1: usbvision_write_reg: failed: error -90 [ 28.424355][ T1830] usb 4-1: usbvision_write_reg: failed: error -90 [ 28.434362][ T1830] usbvision_set_audio: can't write iopin register for audio switching [ 28.438563][ T1826] usbvision_set_video_format: ERROR=-90. USBVISION stopped - reconnect or reload driver. [ 28.443631][ T94] usb 4-1: USB disconnect, device number 2 [ 28.456462][ T1812] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found executing program [ 28.476009][ T94] usbvision_disconnect: In use, disconnect pending [ 28.479433][ T1815] usb 2-1: usbvision_write_reg: failed: error -90 [ 28.485224][ T1830] usbvision_radio_close: Final disconnect [ 28.489071][ T1815] usbvision_audio_off: can't write reg [ 28.498001][ T71] usb 1-1: USB disconnect, device number 2 [ 28.502898][ T1812] usb 3-1: usbvision_write_reg: failed: error -90 [ 28.511162][ T1830] ------------[ cut here ]------------ [ 28.512925][ T1812] usbvision_audio_off: can't write reg [ 28.516316][ T1826] usb 1-1: usbvision_set_dram_settings: ERROR=-19 [ 28.518718][ T1830] sysfs group 'power' not found for kobject 'radio0' [ 28.524592][ T1812] usb 3-1: usbvision_write_reg: failed: error -90 [ 28.530539][ T1830] WARNING: CPU: 1 PID: 1830 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 28.537295][ T1826] usbvision_set_compression_params: ERROR=-19. USBVISION stopped - reconnect or reload driver. [ 28.543762][ T1830] Kernel panic - not syncing: panic_on_warn set ... [ 28.543775][ T1830] CPU: 1 PID: 1830 Comm: v4l_id Not tainted 5.6.0-rc1-syzkaller #0 [ 28.543781][ T1830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.543785][ T1830] Call Trace: [ 28.543810][ T1830] dump_stack+0xef/0x16e [ 28.543824][ T1830] ? sysfs_remove_group+0x100/0x1b0 [ 28.543833][ T1830] panic+0x2aa/0x6e1 [ 28.543841][ T1830] ? add_taint.cold+0x16/0x16 [ 28.554955][ T1815] usb 2-1: usbvision_write_reg: failed: error -90 [ 28.563557][ T1830] ? __probe_kernel_read+0x188/0x1d0 [ 28.563568][ T1830] ? __warn.cold+0x14/0x30 [ 28.563576][ T1830] ? __warn+0xd5/0x1c8 [ 28.563588][ T1830] ? sysfs_remove_group+0x155/0x1b0 [ 28.563603][ T1830] __warn.cold+0x2f/0x30 [ 28.570374][ T1812] usb 3-1: usbvision_write_reg: failed: error -90 [ 28.578090][ T1830] ? sysfs_remove_group+0x155/0x1b0 [ 28.578104][ T1830] report_bug+0x27b/0x2f0 [ 28.578116][ T1830] do_error_trap+0x12b/0x1e0 [ 28.578129][ T1830] ? sysfs_remove_group+0x155/0x1b0 [ 28.578140][ T1830] do_invalid_op+0x32/0x40 [ 28.578151][ T1830] ? sysfs_remove_group+0x155/0x1b0 [ 28.578161][ T1830] invalid_op+0x23/0x30 [ 28.578180][ T1830] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 28.592068][ T5] usb 5-1: usbvision_write_reg: failed: error -90 [ 28.595771][ T1830] 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 20 65 f1 85 e8 43 65 84 ff <0f> 0b eb 95 e8 d2 80 d8 ff e9 d2 fe ff ff 48 89 df e8 c5 80 d8 ff [ 28.595779][ T1830] RSP: 0018:ffff8881cd6dfc48 EFLAGS: 00010286 [ 28.595789][ T1830] RAX: 0000000000000000 RBX: ffffffff8615ebe0 RCX: 0000000000000000 [ 28.595795][ T1830] RDX: 0000000000000000 RSI: ffffffff812975ed RDI: ffffed1039adbf7b [ 28.595802][ T1830] RBP: 0000000000000000 R08: ffff8881cd678000 R09: ffffed103b666248 [ 28.595809][ T1830] R10: ffffed103b666247 R11: ffff8881db33123f R12: ffff8881cdbc0af8 [ 28.595816][ T1830] R13: ffffffff8615f180 R14: 0000000000000000 R15: ffff8881cdbc0fb8 [ 28.595834][ T1830] ? vprintk_func+0x7d/0x113 [ 28.595853][ T1830] ? sysfs_remove_group+0x155/0x1b0 [ 28.601191][ T1826] usb 1-1: usbvision_write_reg: failed: error -19 [ 28.604961][ T1830] dpm_sysfs_remove+0x97/0xb0 [ 28.604975][ T1830] device_del+0x18b/0xd30 [ 28.604989][ T1830] ? __mutex_unlock_slowpath+0xe2/0x660 [ 28.605002][ T1830] ? device_create_with_groups+0x120/0x120 [ 28.605014][ T1830] ? wait_for_completion+0x3c0/0x3c0 [ 28.605025][ T1830] ? wait_for_completion+0x3c0/0x3c0 [ 28.605034][ T1830] device_unregister+0x22/0xc0 [ 28.605047][ T1830] video_unregister_device+0xa2/0xc0 [ 28.605059][ T1830] usbvision_unregister_video+0x83/0x120 [ 28.605069][ T1830] usbvision_release+0x10d/0x1c0 [ 28.605078][ T1830] usbvision_radio_close.cold+0x2b/0x74 [ 28.605100][ T1830] ? usbvision_disconnect+0x1e0/0x1e0 [ 28.609776][ T1826] usbvision_set_input: ERROR=-19. USBVISION stopped - reconnect or reload driver. [ 28.616190][ T1830] v4l2_release+0x2e7/0x390 [ 28.616202][ T1830] ? dev_debug_store+0x100/0x100 [ 28.616213][ T1830] __fput+0x2d7/0x840 [ 28.616224][ T1830] task_work_run+0x13f/0x1c0 [ 28.616236][ T1830] exit_to_usermode_loop+0x1d2/0x200 [ 28.616257][ T1830] do_syscall_64+0x4e0/0x5a0 [ 28.622831][ T12] usb 6-1: config 0 descriptor?? [ 28.626374][ T1830] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 28.626385][ T1830] RIP: 0033:0x7fa8d2c472b0 [ 28.626397][ T1830] 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 [ 28.626403][ T1830] RSP: 002b:00007ffd3f14eba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 28.626414][ T1830] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fa8d2c472b0 [ 28.626420][ T1830] RDX: 0000000000000013 RSI: 0000000080685600 RDI: 0000000000000003 [ 28.626426][ T1830] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.626432][ T1830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 28.626438][ T1830] R13: 00007ffd3f14ed00 R14: 0000000000000000 R15: 0000000000000000 [ 28.631513][ T1830] Kernel Offset: disabled [ 28.965605][ T1830] Rebooting in 86400 seconds..