[info] Using makefile-style concurrent boot in runlevel 2. [ 14.629380][ C1] random: crng init done [....] 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 '10.128.0.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.804295][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 44.044244][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 44.164242][ T12] usb 1-1: config 0 has an invalid interface number: 158 but max is 0 [ 44.172560][ T12] usb 1-1: config 0 has no interface number 0 [ 44.178685][ T12] usb 1-1: config 0 interface 158 altsetting 0 bulk endpoint 0xE has invalid maxpacket 7 [ 44.188523][ T12] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=ac.dc [ 44.197572][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.206679][ T12] usb 1-1: config 0 descriptor?? executing program [ 44.464250][ T12] usb 1-1: string descriptor 0 read error: -71 [ 44.471895][ T12] pvrusb2: Hardware description: Terratec Grabster AV400 [ 44.478992][ T12] pvrusb2: ********** [ 44.482950][ T12] pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is experimental. [ 44.492591][ T12] pvrusb2: Important functionality might not be entirely working. [ 44.500388][ T12] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 44.511681][ T12] pvrusb2: ********** [ 44.544746][ T108] pvrusb2: Invalid write control endpoint [ 44.550966][ T12] usb 1-1: USB disconnect, device number 2 [ 44.560465][ T108] pvrusb2: Invalid write control endpoint [ 44.566283][ T108] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 44.575192][ T108] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 44.582285][ T108] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 44.591864][ T108] pvrusb2: Device being rendered inoperable [ 44.598504][ T108] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 44.605716][ T108] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 44.615124][ T108] pvrusb2: Attached sub-driver cx25840 [ 44.620594][ T108] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 44.630697][ T108] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 44.994191][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 45.234230][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 45.354243][ T12] usb 1-1: config 0 has an invalid interface number: 158 but max is 0 [ 45.362426][ T12] usb 1-1: config 0 has no interface number 0 [ 45.368648][ T12] usb 1-1: config 0 interface 158 altsetting 0 bulk endpoint 0xE has invalid maxpacket 7 [ 45.378539][ T12] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=ac.dc [ 45.387595][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.396425][ T12] usb 1-1: config 0 descriptor?? executing program [ 45.654336][ T12] usb 1-1: string descriptor 0 read error: -71 [ 45.662346][ T12] pvrusb2: Hardware description: Terratec Grabster AV400 [ 45.669468][ T12] pvrusb2: ********** [ 45.673458][ T12] pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is experimental. [ 45.683099][ T12] pvrusb2: Important functionality might not be entirely working. [ 45.690930][ T12] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 45.702582][ T12] pvrusb2: ********** [ 45.724397][ T108] pvrusb2: Invalid write control endpoint [ 45.730376][ T12] usb 1-1: USB disconnect, device number 3 [ 45.741757][ T108] pvrusb2: Invalid write control endpoint [ 45.747527][ T108] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 45.756433][ T108] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 45.763532][ T108] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 45.773147][ T108] pvrusb2: Device being rendered inoperable [ 45.779474][ T108] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 45.786587][ T108] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 45.794688][ T108] pvrusb2: Attached sub-driver cx25840 [ 45.800193][ T108] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 45.810346][ T108] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 46.174247][ T12] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 46.414227][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 46.534302][ T12] usb 1-1: config 0 has an invalid interface number: 158 but max is 0 [ 46.542494][ T12] usb 1-1: config 0 has no interface number 0 [ 46.548645][ T12] usb 1-1: config 0 interface 158 altsetting 0 bulk endpoint 0xE has invalid maxpacket 7 [ 46.558503][ T12] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=ac.dc [ 46.567568][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.576327][ T12] usb 1-1: config 0 descriptor?? executing program [ 46.834392][ T12] usb 1-1: string descriptor 0 read error: -71 [ 46.842389][ T12] pvrusb2: Hardware description: Terratec Grabster AV400 [ 46.849509][ T12] pvrusb2: ********** [ 46.853500][ T12] pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is experimental. [ 46.863211][ T12] pvrusb2: Important functionality might not be entirely working. [ 46.871058][ T12] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 46.882413][ T12] pvrusb2: ********** [ 46.904333][ T108] pvrusb2: Invalid write control endpoint [ 46.910247][ T12] usb 1-1: USB disconnect, device number 4 [ 46.922297][ T108] pvrusb2: Invalid write control endpoint [ 46.928256][ T108] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 46.937153][ T108] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 46.944309][ T108] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 46.953844][ T108] pvrusb2: Device being rendered inoperable [ 46.960382][ T108] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 46.967459][ T108] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 46.975660][ T108] pvrusb2: Attached sub-driver cx25840 [ 46.981118][ T108] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 46.991224][ T108] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 47.344217][ T12] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 47.584192][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 47.704265][ T12] usb 1-1: config 0 has an invalid interface number: 158 but max is 0 [ 47.712439][ T12] usb 1-1: config 0 has no interface number 0 [ 47.718588][ T12] usb 1-1: config 0 interface 158 altsetting 0 bulk endpoint 0xE has invalid maxpacket 7 [ 47.728460][ T12] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=ac.dc [ 47.737530][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 47.746307][ T12] usb 1-1: config 0 descriptor?? executing program [ 48.004272][ T12] usb 1-1: string descriptor 0 read error: -71 [ 48.012169][ T12] pvrusb2: Hardware description: Terratec Grabster AV400 [ 48.019274][ T12] pvrusb2: ********** [ 48.023269][ T12] pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is experimental. [ 48.032995][ T12] pvrusb2: Important functionality might not be entirely working. [ 48.040835][ T12] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 48.055965][ T12] pvrusb2: ********** [ 48.074331][ T108] pvrusb2: Invalid write control endpoint [ 48.080277][ T12] usb 1-1: USB disconnect, device number 5 [ 48.092026][ T108] pvrusb2: Invalid write control endpoint [ 48.097846][ T108] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 48.106753][ T108] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 48.113859][ T108] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 48.123442][ T108] pvrusb2: Device being rendered inoperable [ 48.129434][ T108] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 48.136546][ T108] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 48.145452][ T108] pvrusb2: Attached sub-driver cx25840 [ 48.150987][ T108] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 48.161140][ T108] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 48.172823][ T108] ------------[ cut here ]------------ [ 48.178346][ T108] sysfs group 'power' not found for kobject 'i2c-0' [ 48.185029][ T108] WARNING: CPU: 0 PID: 108 at fs/sysfs/group.c:254 sysfs_remove_group+0x155/0x1b0 [ 48.194200][ T108] Kernel panic - not syncing: panic_on_warn set ... [ 48.200763][ T108] CPU: 0 PID: 108 Comm: pvrusb2-context Not tainted 5.2.0-rc6+ #13 [ 48.208623][ T108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.218657][ T108] Call Trace: [ 48.222004][ T108] dump_stack+0xca/0x13e [ 48.226235][ T108] ? sysfs_remove_group+0x110/0x1b0 [ 48.231414][ T108] panic+0x292/0x6c9 [ 48.235286][ T108] ? __warn_printk+0xf3/0xf3 [ 48.239859][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 48.245037][ T108] ? __probe_kernel_read+0x16c/0x1b0 [ 48.250304][ T108] ? __warn.cold+0x5/0x4b [ 48.254610][ T108] ? __warn+0xe4/0x1c0 [ 48.258738][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 48.263923][ T108] __warn.cold+0x20/0x4b [ 48.268160][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 48.273342][ T108] report_bug+0x262/0x2a0 [ 48.277660][ T108] do_error_trap+0x12b/0x1e0 [ 48.282241][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 48.287414][ T108] do_invalid_op+0x32/0x40 [ 48.291817][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 48.297095][ T108] invalid_op+0x14/0x20 [ 48.301236][ T108] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 48.307022][ T108] 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 4a d0 85 e8 16 1a 8c ff <0f> 0b eb 95 e8 22 46 dc ff e9 d2 fe ff ff 48 89 df e8 15 46 dc ff [ 48.326644][ T108] RSP: 0018:ffff8881d3c07c40 EFLAGS: 00010282 [ 48.332704][ T108] RAX: 0000000000000000 RBX: ffffffff85f24140 RCX: 0000000000000000 [ 48.340658][ T108] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103a780f7a [ 48.348615][ T108] RBP: 0000000000000000 R08: ffff8881d45e6000 R09: ffffed103b645d30 [ 48.356573][ T108] R10: ffffed103b645d2f R11: ffff8881db22e97f R12: ffff8881ce8d8338 [ 48.364527][ T108] R13: ffffffff85f246e0 R14: ffff8881ce8d8878 R15: ffff8881ce8d8380 [ 48.372493][ T108] ? vprintk_func+0x7d/0x113 [ 48.377066][ T108] dpm_sysfs_remove+0x97/0xb0 [ 48.381726][ T108] device_del+0x172/0xb80 [ 48.386049][ T108] ? __pm_runtime_disable+0x148/0x3d0 [ 48.391437][ T108] ? __device_links_no_driver+0x240/0x240 [ 48.397139][ T108] ? pm_runtime_barrier+0x260/0x260 [ 48.402317][ T108] ? lockdep_init_map+0x1b0/0x5e0 [ 48.407319][ T108] ? lockdep_init_map+0x1b0/0x5e0 [ 48.412323][ T108] device_unregister+0x11/0x30 [ 48.417070][ T108] i2c_del_adapter+0x3f2/0x550 [ 48.421815][ T108] ? del_timer_sync+0x121/0x130 [ 48.426643][ T108] pvr2_i2c_core_done+0x69/0xb6 [ 48.431482][ T108] pvr2_hdw_destroy+0x179/0x370 [ 48.436328][ T108] pvr2_context_destroy+0x84/0x230 [ 48.441425][ T108] pvr2_context_thread_func+0x657/0x860 [ 48.446970][ T108] ? lock_acquire+0x100/0x2b0 [ 48.451636][ T108] ? pvr2_context_destroy+0x230/0x230 [ 48.456983][ T108] ? finish_wait+0x260/0x260 [ 48.461550][ T108] ? lockdep_hardirqs_on+0x379/0x580 [ 48.466824][ T108] ? __kthread_parkme+0xfd/0x1b0 [ 48.471755][ T108] ? pvr2_context_destroy+0x230/0x230 [ 48.477150][ T108] kthread+0x30b/0x410 [ 48.481206][ T108] ? kthread_park+0x1a0/0x1a0 [ 48.485878][ T108] ret_from_fork+0x24/0x30 [ 48.490696][ T108] Kernel Offset: disabled [ 48.495048][ T108] Rebooting in 86400 seconds..