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 '10.128.0.56' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.556999][ T78] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 29.565035][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 29.576933][ T5] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 29.584607][ T95] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 29.592248][ T12] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 29.599971][ T1837] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 29.657287][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 29.663206][ T78] usb 2-1: Using ep0 maxpacket: 16 [ 29.697891][ T1837] usb 3-1: Using ep0 maxpacket: 16 [ 29.703367][ T5] usb 4-1: Using ep0 maxpacket: 16 [ 29.708958][ T95] usb 6-1: Using ep0 maxpacket: 16 [ 29.714330][ T12] usb 5-1: Using ep0 maxpacket: 16 [ 29.787072][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 29.796947][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 29.807958][ T94] usb 1-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 29.817034][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.825165][ T78] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 29.827224][ T1837] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 29.834868][ T78] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 29.844664][ T1837] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 29.855397][ T78] usb 2-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 29.866263][ T1837] usb 3-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 29.875873][ T78] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.884903][ T1837] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.895465][ T94] usb 1-1: config 0 descriptor?? [ 29.901547][ T5] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 29.914871][ T78] usb 2-1: config 0 descriptor?? [ 29.916135][ T5] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 29.916161][ T5] usb 4-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 29.942027][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.950436][ T95] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 29.959594][ T94] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 29.961065][ T95] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 29.978140][ T78] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 29.979980][ T95] usb 6-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 29.979998][ T95] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.988789][ T94] usb 1-1: usbvision_write_reg: failed: error -90 [ 29.998215][ T12] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 29.998234][ T12] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 30.006311][ T94] usbvision_audio_off: can't write reg [ 30.012828][ T12] usb 5-1: New USB device found, idVendor=0573, idProduct=4d31, bcdDevice=83.91 [ 30.023307][ T78] usb 2-1: usbvision_write_reg: failed: error -90 [ 30.033839][ T12] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 30.056082][ T12] usb 5-1: config 0 descriptor?? [ 30.063674][ T78] usbvision_audio_off: can't write reg [ 30.064016][ T94] usb 1-1: usbvision_write_reg: failed: error -90 [ 30.075470][ T95] usb 6-1: config 0 descriptor?? [ 30.081283][ T78] usb 2-1: usbvision_write_reg: failed: error -90 [ 30.092134][ T5] usb 4-1: config 0 descriptor?? [ 30.093100][ T94] usb 1-1: usbvision_write_reg: failed: error -90 [ 30.103501][ T1837] usb 3-1: config 0 descriptor?? [ 30.104534][ T94] usb 1-1: usbvision_write_reg: failed: error -90 [ 30.118708][ T12] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 30.126306][ T12] usb 5-1: usbvision_write_reg: failed: error -90 [ 30.127060][ T78] usb 2-1: usbvision_write_reg: failed: error -90 [ 30.133054][ T12] usbvision_audio_off: can't write reg [ 30.140393][ T94] usb 1-1: usbvision_write_reg: failed: error -90 [ 30.151197][ T95] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 30.152636][ T78] usb 2-1: usbvision_write_reg: failed: error -90 [ 30.161684][ T5] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 30.178733][ T94] usb 1-1: usbvision_write_reg: failed: error -90 [ 30.184961][ T1837] usbvision_probe: Hauppauge WinTV USB Pro (PAL B/G FM) found [ 30.185270][ T94] usbvision_i2c_register: can't write reg [ 30.200289][ T78] usb 2-1: usbvision_write_reg: failed: error -90 [ 30.208334][ T78] usb 2-1: usbvision_write_reg: failed: error -90 [ 30.214869][ T78] usbvision_i2c_register: can't write reg [ 30.221803][ T94] USBVision[0]: registered USBVision Video device video0 [v4l2] [ 30.226857][ T95] usb 6-1: usbvision_write_reg: failed: error -90 [ 30.235907][ T95] usbvision_audio_off: can't write reg [ 30.242042][ T5] usb 4-1: usbvision_write_reg: failed: error -90 [ 30.242190][ T94] USBVision[0]: registered USBVision Radio device radio0 [v4l2] [ 30.248897][ T5] usbvision_audio_off: can't write reg [ 30.249075][ T1837] usb 3-1: usbvision_write_reg: failed: error -90 [ 30.261221][ T78] USBVision[1]: registered USBVision Video device video1 [v4l2] [ 30.263214][ T1837] usbvision_audio_off: can't write reg [ 30.263328][ T5] usb 4-1: usbvision_write_reg: failed: error -90 [ 30.291490][ T12] usb 5-1: usbvision_write_reg: failed: error -90 [ 30.295562][ T78] USBVision[1]: registered USBVision Radio device radio1 [v4l2] [ 30.299528][ T95] usb 6-1: usbvision_write_reg: failed: error -90 [ 30.314503][ T1853] usbvision_set_video_format: ERROR=-90. USBVISION stopped - reconnect or reload driver. [ 30.319501][ T1852] usb 1-1: usbvision_write_reg: failed: error -90 [ 30.332095][ T1852] usbvision_set_audio: can't write iopin register for audio switching [ 30.341127][ T1837] usb 3-1: usbvision_write_reg: failed: error -90 [ 30.350452][ T12] usb 5-1: usbvision_write_reg: failed: error -90 [ 30.354347][ T94] usb 1-1: USB disconnect, device number 2 [ 30.358024][ T95] usb 6-1: usbvision_write_reg: failed: error -90 [ 30.372231][ T1837] usb 3-1: usbvision_write_reg: failed: error -90 [ 30.381464][ T12] usb 5-1: usbvision_write_reg: failed: error -90 executing program [ 30.391321][ T94] usbvision_disconnect: In use, disconnect pending [ 30.398693][ T78] usb 2-1: USB disconnect, device number 2 [ 30.400593][ T1837] usb 3-1: usbvision_write_reg: failed: error -90 [ 30.405955][ T1853] usb 2-1: usbvision_set_dram_settings: ERROR=-19 [ 30.423244][ T1852] usbvision_radio_close: Final disconnect [ 30.424503][ T95] usb 6-1: usbvision_write_reg: failed: error -90 [ 30.441663][ T1853] usbvision_set_compression_params: ERROR=-19. USBVISION stopped - reconnect or reload driver. [ 30.448730][ T5] usb 4-1: usbvision_write_reg: failed: error -90 [ 30.454542][ T1852] ------------[ cut here ]------------ [ 30.462778][ T12] usb 5-1: usbvision_write_reg: failed: error -90 [ 30.465407][ T1852] sysfs group 'power' not found for kobject 'radio0' [ 30.465516][ T1852] WARNING: CPU: 1 PID: 1852 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 30.472799][ T1837] usb 3-1: usbvision_write_reg: failed: error -90 [ 30.479954][ T1852] Kernel panic - not syncing: panic_on_warn set ... [ 30.479971][ T1852] CPU: 1 PID: 1852 Comm: v4l_id Not tainted 5.5.0-rc7-syzkaller #0 [ 30.479978][ T1852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.479983][ T1852] Call Trace: [ 30.480011][ T1852] dump_stack+0xef/0x16e [ 30.480028][ T1852] ? sysfs_remove_group+0x100/0x1b0 [ 30.480040][ T1852] panic+0x2aa/0x6e1 [ 30.480051][ T1852] ? add_taint.cold+0x16/0x16 [ 30.480064][ T1852] ? __probe_kernel_read+0x188/0x1d0 [ 30.480074][ T1852] ? __warn.cold+0x14/0x30 [ 30.480083][ T1852] ? __warn+0xd5/0x1c8 [ 30.480102][ T1852] ? sysfs_remove_group+0x155/0x1b0 [ 30.490943][ T95] usb 6-1: usbvision_write_reg: failed: error -90 [ 30.497192][ T1852] __warn.cold+0x2f/0x30 [ 30.497209][ T1852] ? sysfs_remove_group+0x155/0x1b0 [ 30.497225][ T1852] report_bug+0x27b/0x2f0 [ 30.497241][ T1852] do_error_trap+0x12b/0x1e0 [ 30.497255][ T1852] ? sysfs_remove_group+0x155/0x1b0 [ 30.497267][ T1852] do_invalid_op+0x32/0x40 [ 30.497280][ T1852] ? sysfs_remove_group+0x155/0x1b0 [ 30.497300][ T1852] invalid_op+0x23/0x30 [ 30.504382][ T5] usb 4-1: usbvision_write_reg: failed: error -90 [ 30.512660][ T1852] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 30.512675][ T1852] 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 a0 6c f1 85 e8 53 a4 85 ff <0f> 0b eb 95 e8 f2 55 d9 ff e9 d2 fe ff ff 48 89 df e8 e5 55 d9 ff [ 30.512683][ T1852] RSP: 0018:ffff8881c3c3fc48 EFLAGS: 00010286 [ 30.512695][ T1852] RAX: 0000000000000000 RBX: ffffffff86156bc0 RCX: 0000000000000000 [ 30.512704][ T1852] RDX: 0000000000000000 RSI: ffffffff81295a0d RDI: ffffed1038787f7b [ 30.512712][ T1852] RBP: 0000000000000000 R08: ffff8881cd011880 R09: 0000000000000000 [ 30.512720][ T1852] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881cd7e8af8 [ 30.512729][ T1852] R13: ffffffff86157160 R14: 0000000000000000 R15: ffff8881cd7e8fb8 [ 30.512746][ T1852] ? vprintk_func+0x7d/0x113 [ 30.512759][ T1852] ? sysfs_remove_group+0x155/0x1b0 [ 30.512774][ T1852] dpm_sysfs_remove+0x97/0xb0 [ 30.512796][ T1852] device_del+0x18b/0xd30 [ 30.534377][ T12] usb 5-1: usbvision_write_reg: failed: error -90 [ 30.537465][ T1852] ? __mutex_unlock_slowpath+0xe2/0x660 [ 30.537483][ T1852] ? device_create_with_groups+0x120/0x120 [ 30.537498][ T1852] ? wait_for_completion+0x3c0/0x3c0 [ 30.537514][ T1852] ? wait_for_completion+0x3c0/0x3c0 [ 30.537528][ T1852] device_unregister+0x22/0xc0 [ 30.537545][ T1852] video_unregister_device+0xa2/0xc0 [ 30.537559][ T1852] usbvision_unregister_video+0x83/0x120 [ 30.537570][ T1852] usbvision_release+0x10d/0x1c0 [ 30.537590][ T1852] usbvision_radio_close.cold+0x2b/0x74 [ 30.542176][ T12] usbvision_i2c_register: can't write reg [ 30.547057][ T1852] ? usbvision_disconnect+0x1e0/0x1e0 [ 30.547070][ T1852] v4l2_release+0x2e7/0x390 [ 30.547082][ T1852] ? dev_debug_store+0x100/0x100 [ 30.547092][ T1852] __fput+0x2d7/0x840 [ 30.547110][ T1852] task_work_run+0x13f/0x1c0 [ 30.552926][ T95] usb 6-1: usbvision_write_reg: failed: error -90 [ 30.557512][ T1852] exit_to_usermode_loop+0x1d2/0x200 [ 30.557526][ T1852] do_syscall_64+0x4e0/0x5a0 [ 30.557543][ T1852] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.557555][ T1852] RIP: 0033:0x7ffbf1a112b0 [ 30.557570][ T1852] 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 [ 30.557578][ T1852] RSP: 002b:00007ffdea2af8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 30.557590][ T1852] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ffbf1a112b0 [ 30.557597][ T1852] RDX: 0000000000000013 RSI: 0000000080685600 RDI: 0000000000000003 [ 30.557604][ T1852] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.557611][ T1852] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 30.557618][ T1852] R13: 00007ffdea2afa30 R14: 0000000000000000 R15: 0000000000000000 [ 30.562515][ T1852] Kernel Offset: disabled [ 30.909845][ T1852] Rebooting in 86400 seconds..