Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.506679][ T101] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 44.746645][ T101] usb 1-1: Using ep0 maxpacket: 8 [ 44.866794][ T101] usb 1-1: config 0 has an invalid interface number: 155 but max is 0 [ 44.875232][ T101] usb 1-1: config 0 has no interface number 0 [ 44.881547][ T101] usb 1-1: config 0 interface 155 altsetting 0 endpoint 0x8 has invalid maxpacket 530, setting to 64 [ 44.892595][ T101] usb 1-1: config 0 interface 155 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 44.903363][ T101] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=d5.af [ 44.912526][ T101] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.921905][ T101] usb 1-1: config 0 descriptor?? [ 44.968988][ T101] pvrusb2: Hardware description: Terratec Grabster AV400 [ 44.976141][ T101] pvrusb2: ********** [ 44.980207][ T101] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 44.990299][ T101] pvrusb2: Important functionality might not be entirely working. [ 44.998240][ T101] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 45.009532][ T101] pvrusb2: ********** executing program [ 45.177201][ T103] pvrusb2: Invalid write control endpoint [ 45.178917][ T101] usb 1-1: USB disconnect, device number 2 [ 45.198018][ T103] pvrusb2: Invalid write control endpoint [ 45.203885][ T103] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 45.213489][ T103] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 45.221509][ T103] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 45.231519][ T103] pvrusb2: Device being rendered inoperable [ 45.237794][ T103] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 45.245014][ T103] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 45.253904][ T103] pvrusb2: Attached sub-driver cx25840 [ 45.259589][ T103] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 45.269677][ T103] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 45.626696][ T101] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 45.866676][ T101] usb 1-1: Using ep0 maxpacket: 8 [ 45.986814][ T101] usb 1-1: config 0 has an invalid interface number: 155 but max is 0 [ 45.995183][ T101] usb 1-1: config 0 has no interface number 0 [ 46.001379][ T101] usb 1-1: config 0 interface 155 altsetting 0 endpoint 0x8 has invalid maxpacket 530, setting to 64 [ 46.012307][ T101] usb 1-1: config 0 interface 155 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 46.023053][ T101] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=d5.af [ 46.032119][ T101] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.041095][ T101] usb 1-1: config 0 descriptor?? [ 46.078590][ T101] pvrusb2: Hardware description: Terratec Grabster AV400 [ 46.085681][ T101] pvrusb2: ********** [ 46.089770][ T101] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 46.099994][ T101] pvrusb2: Important functionality might not be entirely working. [ 46.107970][ T101] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 46.119573][ T101] pvrusb2: ********** executing program [ 46.296796][ T103] pvrusb2: Invalid write control endpoint [ 46.298263][ T101] usb 1-1: USB disconnect, device number 3 [ 46.314006][ T103] pvrusb2: Invalid write control endpoint [ 46.320042][ T103] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 46.329347][ T103] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 46.337261][ T103] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 46.347385][ T103] pvrusb2: Device being rendered inoperable [ 46.353365][ T103] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 46.360523][ T103] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 46.368850][ T103] pvrusb2: Attached sub-driver cx25840 [ 46.374323][ T103] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 46.384467][ T103] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 46.396250][ T103] ------------[ cut here ]------------ [ 46.401811][ T103] sysfs group 'power' not found for kobject 'i2c-0' [ 46.408653][ T103] WARNING: CPU: 0 PID: 103 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 46.418614][ T103] Kernel panic - not syncing: panic_on_warn set ... [ 46.425211][ T103] CPU: 0 PID: 103 Comm: pvrusb2-context Not tainted 5.4.0-rc6+ #0 [ 46.433030][ T103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.443189][ T103] Call Trace: [ 46.446482][ T103] dump_stack+0xca/0x13e [ 46.450720][ T103] ? sysfs_remove_group+0xe0/0x1b0 [ 46.455814][ T103] panic+0x2aa/0x6e1 [ 46.459693][ T103] ? add_taint.cold+0x16/0x16 [ 46.464360][ T103] ? __probe_kernel_read+0x188/0x1d0 [ 46.469639][ T103] ? __warn.cold+0x14/0x33 [ 46.474062][ T103] ? __warn+0xd5/0x1d0 [ 46.478176][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 46.483352][ T103] __warn.cold+0x2f/0x33 [ 46.487774][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 46.492958][ T103] report_bug+0x27b/0x2f0 [ 46.497283][ T103] do_error_trap+0x12b/0x1e0 [ 46.501865][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 46.507051][ T103] do_invalid_op+0x32/0x40 [ 46.511446][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 46.516628][ T103] invalid_op+0x23/0x30 [ 46.520771][ T103] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 46.526552][ T103] 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 a0 d0 85 e8 20 f0 89 ff <0f> 0b eb 95 e8 a2 9a db ff e9 d2 fe ff ff 48 89 df e8 95 9a db ff [ 46.546161][ T103] RSP: 0018:ffff8881d4dffc40 EFLAGS: 00010282 [ 46.552215][ T103] RAX: 0000000000000000 RBX: ffffffff85f2c9e0 RCX: 0000000000000000 [ 46.560174][ T103] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103a9bff7a [ 46.568129][ T103] RBP: 0000000000000000 R08: ffff8881d7376000 R09: ffffed103b645d58 [ 46.576195][ T103] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881cfbb0338 [ 46.584151][ T103] R13: ffffffff85f2cf80 R14: ffff8881cfbb0900 R15: ffff8881d7376000 [ 46.592127][ T103] ? vprintk_func+0x7d/0x113 [ 46.596704][ T103] dpm_sysfs_remove+0x97/0xb0 [ 46.601371][ T103] device_del+0x12a/0xb20 [ 46.605824][ T103] ? __pm_runtime_disable+0x148/0x3d0 [ 46.611186][ T103] ? __device_link_del+0x2f0/0x2f0 [ 46.616290][ T103] ? pm_runtime_barrier+0x260/0x260 [ 46.621472][ T103] ? lockdep_init_map+0x1b0/0x5e0 [ 46.626485][ T103] ? lockdep_init_map+0x1b0/0x5e0 [ 46.631507][ T103] device_unregister+0x11/0x30 [ 46.636258][ T103] i2c_del_adapter+0x42b/0x590 [ 46.641020][ T103] ? del_timer_sync+0x11a/0x140 [ 46.645863][ T103] pvr2_i2c_core_done+0x69/0xb6 [ 46.650695][ T103] pvr2_hdw_destroy+0x179/0x370 [ 46.655539][ T103] pvr2_context_destroy+0x84/0x230 [ 46.660638][ T103] pvr2_context_thread_func+0x657/0x860 [ 46.666184][ T103] ? lock_acquire+0x127/0x320 [ 46.670928][ T103] ? pvr2_context_destroy+0x230/0x230 [ 46.676284][ T103] ? finish_wait+0x260/0x260 [ 46.680853][ T103] ? lockdep_hardirqs_on+0x382/0x580 [ 46.686117][ T103] ? __kthread_parkme+0x10a/0x1c0 [ 46.691135][ T103] ? pvr2_context_destroy+0x230/0x230 [ 46.696496][ T103] kthread+0x318/0x420 [ 46.700549][ T103] ? kthread_create_on_node+0xf0/0xf0 [ 46.705908][ T103] ret_from_fork+0x24/0x30 [ 46.711374][ T103] Kernel Offset: disabled [ 46.715741][ T103] Rebooting in 86400 seconds..