[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 16.371321][ C1] random: crng init done [ 16.375779][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. executing program [ 23.403678][ T94] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 23.803198][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 24.013286][ T94] usb 1-1: config 2 has an invalid interface number: 189 but max is 1 [ 24.021617][ T94] usb 1-1: config 2 has an invalid interface number: 80 but max is 1 [ 24.029753][ T94] usb 1-1: config 2 has no interface number 0 [ 24.035897][ T94] usb 1-1: config 2 has no interface number 1 [ 24.041978][ T94] usb 1-1: config 2 interface 189 altsetting 155 has an invalid endpoint with address 0x0, skipping [ 24.053098][ T94] usb 1-1: config 2 interface 189 altsetting 155 endpoint 0x4 has invalid maxpacket 2031, setting to 64 [ 24.064283][ T94] usb 1-1: config 2 interface 80 altsetting 5 endpoint 0xF has invalid maxpacket 1024, setting to 64 [ 24.075186][ T94] usb 1-1: config 2 interface 80 altsetting 5 has a duplicate endpoint with address 0x4, skipping [ 24.085831][ T94] usb 1-1: config 2 interface 80 altsetting 5 has a duplicate endpoint with address 0xF, skipping [ 24.096469][ T94] usb 1-1: config 2 interface 80 altsetting 5 endpoint 0x3 has invalid maxpacket 512, setting to 64 [ 24.107288][ T94] usb 1-1: config 2 interface 189 has no altsetting 0 [ 24.114096][ T94] usb 1-1: config 2 interface 80 has no altsetting 0 [ 24.272715][ T94] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=be.e9 [ 24.281795][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 24.289821][ T94] usb 1-1: Product: syz [ 24.294066][ T94] usb 1-1: Manufacturer: syz [ 24.298650][ T94] usb 1-1: SerialNumber: syz [ 24.322796][ T347] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 24.654342][ T94] pvrusb2: Hardware description: Terratec Grabster AV400 [ 24.661442][ T94] pvrusb2: ********** [ 24.665549][ T94] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 24.675701][ T94] pvrusb2: Important functionality might not be entirely working. [ 24.683573][ T94] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 24.694903][ T94] pvrusb2: ********** [ 24.699179][ T94] usb 1-1: selecting invalid altsetting 0 [ 24.705382][ T104] pvrusb2: Invalid write control endpoint [ 24.738524][ T104] pvrusb2: Invalid write control endpoint [ 24.744362][ T104] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 24.753843][ T104] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 24.761374][ T104] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 24.771394][ T104] pvrusb2: Device being rendered inoperable [ 24.778096][ T104] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 24.779196][ T94] pvrusb2: Hardware description: Terratec Grabster AV400 [ 24.786316][ T104] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 24.792504][ T94] pvrusb2: ********** [ 24.802587][ T104] pvrusb2: Attached sub-driver cx25840 [ 24.804006][ T94] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 24.809425][ T104] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 24.819480][ T94] pvrusb2: Important functionality might not be entirely working. [ 24.819487][ T94] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 24.819491][ T94] pvrusb2: ********** [ 24.819914][ T94] usb 1-1: selecting invalid altsetting 0 [ 24.829676][ T104] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 24.844663][ T94] usb 1-1: USB disconnect, device number 2 [ 24.850320][ T104] pvrusb2: Invalid write control endpoint [ 24.887958][ T104] pvrusb2: Invalid write control endpoint [ 24.893767][ T104] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 24.903104][ T104] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 24.910642][ T104] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 24.920729][ T104] pvrusb2: Device being rendered inoperable [ 24.926802][ T104] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 24.933980][ T104] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_b) [ 24.942107][ T104] pvrusb2: Attached sub-driver cx25840 [ 24.947689][ T104] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 24.957914][ T104] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 25.341399][ T94] usb 1-1: new full-speed USB device number 3 using dummy_hcd [ 25.750955][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 25.960805][ T94] usb 1-1: config 2 has an invalid interface number: 189 but max is 1 [ 25.968986][ T94] usb 1-1: config 2 has an invalid interface number: 80 but max is 1 [ 25.977131][ T94] usb 1-1: config 2 has no interface number 0 [ 25.983264][ T94] usb 1-1: config 2 has no interface number 1 [ 25.989344][ T94] usb 1-1: config 2 interface 189 altsetting 155 has an invalid endpoint with address 0x0, skipping [ 26.000244][ T94] usb 1-1: config 2 interface 189 altsetting 155 endpoint 0x4 has invalid maxpacket 2031, setting to 64 [ 26.011430][ T94] usb 1-1: config 2 interface 80 altsetting 5 endpoint 0xF has invalid maxpacket 1024, setting to 64 [ 26.022311][ T94] usb 1-1: config 2 interface 80 altsetting 5 has a duplicate endpoint with address 0x4, skipping [ 26.032960][ T94] usb 1-1: config 2 interface 80 altsetting 5 has a duplicate endpoint with address 0xF, skipping [ 26.043589][ T94] usb 1-1: config 2 interface 80 altsetting 5 endpoint 0x3 has invalid maxpacket 512, setting to 64 [ 26.054404][ T94] usb 1-1: config 2 interface 189 has no altsetting 0 [ 26.061219][ T94] usb 1-1: config 2 interface 80 has no altsetting 0 [ 26.220599][ T94] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=be.e9 [ 26.229675][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 26.237714][ T94] usb 1-1: Product: syz [ 26.241940][ T94] usb 1-1: Manufacturer: syz [ 26.246510][ T94] usb 1-1: SerialNumber: syz [ 26.270487][ T350] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 26.571427][ T94] pvrusb2: Hardware description: Terratec Grabster AV400 [ 26.578502][ T94] pvrusb2: ********** [ 26.582574][ T94] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 26.592698][ T94] pvrusb2: Important functionality might not be entirely working. [ 26.600533][ T94] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 26.611871][ T94] pvrusb2: ********** [ 26.616102][ T94] usb 1-1: selecting invalid altsetting 0 [ 26.621974][ T104] pvrusb2: Invalid write control endpoint [ 26.632824][ T104] pvrusb2: Invalid write control endpoint [ 26.638588][ T104] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 26.647930][ T104] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 26.655557][ T104] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 26.662018][ T94] pvrusb2: Hardware description: Terratec Grabster AV400 [ 26.665573][ T104] pvrusb2: Device being rendered inoperable [ 26.672581][ T94] pvrusb2: ********** [ 26.678511][ T104] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 26.682446][ T94] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 26.689509][ T104] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 26.699660][ T94] pvrusb2: Important functionality might not be entirely working. [ 26.699667][ T94] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 26.699673][ T94] pvrusb2: ********** [ 26.703253][ T94] usb 1-1: selecting invalid altsetting 0 [ 26.708261][ T104] pvrusb2: Attached sub-driver cx25840 [ 26.718212][ T94] usb 1-1: USB disconnect, device number 3 [ 26.726419][ T104] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 26.726425][ T104] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 26.740619][ T104] pvrusb2: Invalid write control endpoint [ 26.782937][ T104] pvrusb2: Invalid write control endpoint [ 26.788683][ T104] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 26.798143][ T104] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 26.805737][ T104] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 26.815752][ T104] pvrusb2: Device being rendered inoperable [ 26.822045][ T104] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 26.829088][ T104] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_b) [ 26.837559][ T104] pvrusb2: Attached sub-driver cx25840 [ 26.843072][ T104] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 26.853185][ T104] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 27.219547][ T94] usb 1-1: new full-speed USB device number 4 using dummy_hcd [ 27.629082][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 27.838954][ T94] usb 1-1: config 2 has an invalid interface number: 189 but max is 1 [ 27.847144][ T94] usb 1-1: config 2 has an invalid interface number: 80 but max is 1 [ 27.855286][ T94] usb 1-1: config 2 has no interface number 0 [ 27.861414][ T94] usb 1-1: config 2 has no interface number 1 [ 27.867490][ T94] usb 1-1: config 2 interface 189 altsetting 155 has an invalid endpoint with address 0x0, skipping [ 27.878328][ T94] usb 1-1: config 2 interface 189 altsetting 155 endpoint 0x4 has invalid maxpacket 2031, setting to 64 [ 27.889511][ T94] usb 1-1: config 2 interface 80 altsetting 5 endpoint 0xF has invalid maxpacket 1024, setting to 64 [ 27.900400][ T94] usb 1-1: config 2 interface 80 altsetting 5 has a duplicate endpoint with address 0x4, skipping [ 27.911044][ T94] usb 1-1: config 2 interface 80 altsetting 5 has a duplicate endpoint with address 0xF, skipping [ 27.921672][ T94] usb 1-1: config 2 interface 80 altsetting 5 endpoint 0x3 has invalid maxpacket 512, setting to 64 [ 27.932501][ T94] usb 1-1: config 2 interface 189 has no altsetting 0 [ 27.939350][ T94] usb 1-1: config 2 interface 80 has no altsetting 0 [ 28.098719][ T94] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=be.e9 [ 28.107806][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 28.115890][ T94] usb 1-1: Product: syz [ 28.120140][ T94] usb 1-1: Manufacturer: syz [ 28.124714][ T94] usb 1-1: SerialNumber: syz [ 28.148697][ T359] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 28.449634][ T94] pvrusb2: Hardware description: Terratec Grabster AV400 [ 28.456712][ T94] pvrusb2: ********** [ 28.460782][ T94] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 28.470936][ T94] pvrusb2: Important functionality might not be entirely working. [ 28.478794][ T94] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 28.490119][ T94] pvrusb2: ********** [ 28.494272][ T94] usb 1-1: selecting invalid altsetting 0 [ 28.500122][ T104] pvrusb2: Invalid write control endpoint [ 28.510897][ T104] pvrusb2: Invalid write control endpoint [ 28.516619][ T104] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 28.525961][ T104] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 28.533588][ T104] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 28.540263][ T94] pvrusb2: Hardware description: Terratec Grabster AV400 [ 28.543595][ T104] pvrusb2: Device being rendered inoperable [ 28.550603][ T94] pvrusb2: ********** [ 28.556543][ T104] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 28.560477][ T94] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 28.560486][ T94] pvrusb2: Important functionality might not be entirely working. [ 28.567504][ T104] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 28.577537][ T94] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 28.577548][ T94] pvrusb2: ********** [ 28.585972][ T104] pvrusb2: Attached sub-driver cx25840 [ 28.593239][ T94] usb 1-1: selecting invalid altsetting 0 [ 28.604229][ T104] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 28.604236][ T104] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 28.638889][ T104] pvrusb2: Invalid write control endpoint [ 28.640212][ T94] usb 1-1: USB disconnect, device number 4 [ 28.662541][ T104] pvrusb2: Invalid write control endpoint [ 28.668328][ T104] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 28.677634][ T104] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 28.685243][ T104] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 28.695268][ T104] pvrusb2: Device being rendered inoperable [ 28.701284][ T104] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 28.708419][ T104] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_b) [ 28.716405][ T104] pvrusb2: Attached sub-driver cx25840 [ 28.722016][ T104] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 28.732129][ T104] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 28.743728][ T104] ------------[ cut here ]------------ [ 28.749281][ T104] sysfs group 'power' not found for kobject '0-0044' [ 28.756028][ T104] WARNING: CPU: 0 PID: 104 at fs/sysfs/group.c:279 sysfs_remove_group+0x155/0x1b0 [ 28.765196][ T104] Kernel panic - not syncing: panic_on_warn set ... [ 28.771758][ T104] CPU: 0 PID: 104 Comm: pvrusb2-context Not tainted 5.7.0-rc6-syzkaller #0 [ 28.780313][ T104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.790339][ T104] Call Trace: [ 28.793613][ T104] dump_stack+0xef/0x16e [ 28.797835][ T104] ? sysfs_remove_group+0x120/0x1b0 [ 28.803009][ T104] panic+0x2aa/0x6e1 [ 28.806890][ T104] ? add_taint.cold+0x16/0x16 [ 28.811555][ T104] ? __probe_kernel_read+0x188/0x1d0 [ 28.816818][ T104] ? __warn.cold+0x14/0x30 [ 28.821207][ T104] ? __warn+0xd5/0x1c8 [ 28.825250][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 28.830432][ T104] __warn.cold+0x2f/0x30 [ 28.834650][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 28.839820][ T104] report_bug+0x27b/0x2f0 [ 28.844123][ T104] do_error_trap+0x12b/0x1e0 [ 28.848685][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 28.853853][ T104] do_invalid_op+0x32/0x40 [ 28.858245][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 28.863421][ T104] invalid_op+0x23/0x30 [ 28.867552][ T104] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 28.873327][ T104] 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 90 f1 85 e8 e3 9b 82 ff <0f> 0b eb 95 e8 e2 34 d8 ff e9 d2 fe ff ff 48 89 df e8 d5 34 d8 ff [ 28.892918][ T104] RSP: 0018:ffff8881d4bbfb80 EFLAGS: 00010286 [ 28.898957][ T104] RAX: 0000000000000000 RBX: ffffffff86174a40 RCX: 0000000000000000 [ 28.906906][ T104] RDX: 0000000000000000 RSI: ffffffff812a339d RDI: ffffed103a977f62 [ 28.914850][ T104] RBP: 0000000000000000 R08: ffff8881d48298c0 R09: ffffed103b6443c9 [ 28.922793][ T104] R10: ffff8881db221e43 R11: ffffed103b6443c8 R12: ffff8881cc6a2020 [ 28.930737][ T104] R13: ffffffff86174fe0 R14: 1ffff1103a977f97 R15: dffffc0000000000 [ 28.938697][ T104] ? vprintk_func+0x7d/0x113 [ 28.943273][ T104] ? __process_removed_driver+0x70/0x70 [ 28.948795][ T104] dpm_sysfs_remove+0x97/0xb0 [ 28.953444][ T104] device_del+0x18b/0xd30 [ 28.957745][ T104] ? device_create_with_groups+0x120/0x120 [ 28.963524][ T104] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.969317][ T104] ? __device_link_free_srcu+0x110/0x110 [ 28.974920][ T104] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 28.980194][ T104] ? __process_removed_driver+0x70/0x70 [ 28.985718][ T104] device_unregister+0x22/0xc0 [ 28.990459][ T104] ? __process_removed_driver+0x70/0x70 [ 28.995987][ T104] __unregister_client+0x8b/0xa0 [ 29.000902][ T104] device_for_each_child+0xf9/0x170 [ 29.006074][ T104] ? device_remove_class_symlinks+0x1c0/0x1c0 [ 29.012115][ T104] ? __radix_tree_lookup+0x1ed/0x260 [ 29.017391][ T104] i2c_del_adapter+0x373/0x660 [ 29.022134][ T104] ? del_timer_sync+0x115/0x130 [ 29.026967][ T104] pvr2_i2c_core_done+0x69/0xb6 [ 29.031792][ T104] pvr2_hdw_destroy+0x179/0x370 [ 29.036619][ T104] pvr2_context_destroy+0x84/0x230 [ 29.041722][ T104] pvr2_context_thread_func+0x657/0x860 [ 29.047252][ T104] ? pvr2_context_destroy+0x230/0x230 [ 29.052619][ T104] ? __sched_text_start+0x8/0x8 [ 29.057458][ T104] ? finish_wait+0x260/0x260 [ 29.062021][ T104] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 29.067284][ T104] ? __kthread_parkme+0x118/0x1d0 [ 29.072283][ T104] ? pvr2_context_destroy+0x230/0x230 [ 29.077652][ T104] kthread+0x326/0x430 [ 29.081697][ T104] ? kthread_create_on_node+0xf0/0xf0 [ 29.087042][ T104] ret_from_fork+0x24/0x30 [ 29.091572][ T104] Kernel Offset: disabled [ 29.095926][ T104] Rebooting in 86400 seconds..