Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.182325][ T2651] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.702113][ T2651] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 37.711744][ T2651] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.719913][ T2651] usb 1-1: Product: syz [ 37.724160][ T2651] usb 1-1: Manufacturer: syz [ 37.728788][ T2651] usb 1-1: SerialNumber: syz [ 37.737023][ T2651] usb 1-1: config 0 descriptor?? [ 37.795150][ T2651] pvrusb2: Hardware description: Terratec Grabster AV400 [ 37.802367][ T2651] pvrusb2: ********** [ 37.806362][ T2651] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 37.817282][ T2651] pvrusb2: Important functionality might not be entirely working. [ 37.825164][ T2651] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 37.837529][ T2651] pvrusb2: ********** executing program [ 38.012438][ T2389] pvrusb2: Invalid write control endpoint [ 38.014425][ T2651] usb 1-1: USB disconnect, device number 2 [ 38.056942][ T2389] pvrusb2: Invalid write control endpoint [ 38.063159][ T2389] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 38.072688][ T2389] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 38.080248][ T2389] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 38.090788][ T2389] pvrusb2: Device being rendered inoperable [ 38.098352][ T2389] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 38.105654][ T2389] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 38.114806][ T2389] pvrusb2: Attached sub-driver cx25840 [ 38.120357][ T2389] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 38.130507][ T2389] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 38.501546][ T2651] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 39.021405][ T2651] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 39.030479][ T2651] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.038587][ T2651] usb 1-1: Product: syz [ 39.042850][ T2651] usb 1-1: Manufacturer: syz [ 39.047652][ T2651] usb 1-1: SerialNumber: syz [ 39.057592][ T2651] usb 1-1: config 0 descriptor?? [ 39.113565][ T2651] pvrusb2: Hardware description: Terratec Grabster AV400 [ 39.120636][ T2651] pvrusb2: ********** [ 39.124703][ T2651] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 39.134850][ T2651] pvrusb2: Important functionality might not be entirely working. [ 39.142716][ T2651] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 39.154189][ T2651] pvrusb2: ********** executing program [ 39.341269][ T2389] pvrusb2: Invalid write control endpoint [ 39.342570][ T2651] usb 1-1: USB disconnect, device number 3 [ 39.364375][ T2389] pvrusb2: Invalid write control endpoint [ 39.370152][ T2389] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 39.379871][ T2389] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 39.387864][ T2389] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 39.397923][ T2389] pvrusb2: Device being rendered inoperable [ 39.404272][ T2389] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 39.411603][ T2389] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 39.419645][ T2389] pvrusb2: Attached sub-driver cx25840 [ 39.425584][ T2389] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 39.437072][ T2389] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 39.800945][ T2651] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 40.330724][ T2651] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 40.339783][ T2651] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 40.347869][ T2651] usb 1-1: Product: syz [ 40.352108][ T2651] usb 1-1: Manufacturer: syz [ 40.356731][ T2651] usb 1-1: SerialNumber: syz [ 40.366418][ T2651] usb 1-1: config 0 descriptor?? [ 40.412647][ T2651] pvrusb2: Hardware description: Terratec Grabster AV400 [ 40.419722][ T2651] pvrusb2: ********** [ 40.424193][ T2651] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 40.435696][ T2651] pvrusb2: Important functionality might not be entirely working. [ 40.443566][ T2651] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 40.455044][ T2651] pvrusb2: ********** executing program [ 40.631972][ T2389] pvrusb2: Invalid write control endpoint [ 40.638766][ T2651] usb 1-1: USB disconnect, device number 4 [ 40.666882][ T2389] pvrusb2: Invalid write control endpoint [ 40.675733][ T2389] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 40.685288][ T2389] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 40.693122][ T2389] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 40.703276][ T2389] pvrusb2: Device being rendered inoperable [ 40.709557][ T2389] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 40.717538][ T2389] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 40.726917][ T2389] pvrusb2: Attached sub-driver cx25840 [ 40.732448][ T2389] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 40.742587][ T2389] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 40.758426][ T2389] ------------[ cut here ]------------ [ 40.764133][ T2389] sysfs group 'power' not found for kobject '0-0044' [ 40.771040][ T2389] WARNING: CPU: 0 PID: 2389 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 [ 40.780435][ T2389] Modules linked in: [ 40.784513][ T2389] CPU: 0 PID: 2389 Comm: pvrusb2-context Not tainted 5.12.0-rc7-syzkaller #0 [ 40.793561][ T2389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.803737][ T2389] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 40.809614][ T2389] 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 37 48 8b 33 48 c7 c7 a0 db 12 86 e8 9b 68 ec 03 <0f> 0b eb 98 e8 f1 82 d5 ff e9 01 ff ff ff 48 89 df e8 e4 82 d5 ff [ 40.829297][ T2389] RSP: 0018:ffffc9000692fb80 EFLAGS: 00010286 [ 40.835472][ T2389] RAX: 0000000000000000 RBX: ffffffff863d7b00 RCX: 0000000000000000 [ 40.843646][ T2389] RDX: ffff888109d60000 RSI: ffffffff8129f7d3 RDI: fffff52000d25f62 [ 40.851885][ T2389] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 40.859872][ T2389] R10: ffffffff814ab6db R11: 0000000000000000 R12: ffff8881010fe020 [ 40.867903][ T2389] R13: ffffffff863d80a0 R14: 1ffff92000d25f98 R15: dffffc0000000000 [ 40.875950][ T2389] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 40.884987][ T2389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.891634][ T2389] CR2: 00007f3cad723740 CR3: 0000000007825000 CR4: 00000000001506f0 [ 40.899646][ T2389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.907794][ T2389] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.915868][ T2389] Call Trace: [ 40.919782][ T2389] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.925221][ T2389] dpm_sysfs_remove+0x97/0xb0 [ 40.929927][ T2389] device_del+0x20c/0xd40 [ 40.934321][ T2389] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 40.940752][ T2389] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 40.946799][ T2389] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 40.952699][ T2389] ? trace_hardirqs_on+0x5b/0x1a0 [ 40.957752][ T2389] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.963348][ T2389] device_unregister+0x22/0xc0 [ 40.968243][ T2389] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.973688][ T2389] __unregister_client+0x95/0xa0 [ 40.978655][ T2389] device_for_each_child+0xf9/0x170 [ 40.983910][ T2389] ? device_remove_class_symlinks+0x210/0x210 [ 40.990017][ T2389] ? __radix_tree_lookup+0x211/0x2a0 [ 40.995481][ T2389] i2c_del_adapter+0x37b/0x680 [ 41.000507][ T2389] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 41.006517][ T2389] pvr2_i2c_core_done+0x69/0xc0 [ 41.011488][ T2389] pvr2_hdw_destroy+0x179/0x3b0 [ 41.016774][ T2389] pvr2_context_destroy+0x84/0x230 [ 41.021969][ T2389] pvr2_context_thread_func+0x64b/0x850 [ 41.027663][ T2389] ? pvr2_context_destroy+0x230/0x230 [ 41.033157][ T2389] ? finish_wait+0x260/0x260 [ 41.037795][ T2389] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 41.044146][ T2389] ? __kthread_parkme+0x118/0x1d0 [ 41.049206][ T2389] ? pvr2_context_destroy+0x230/0x230 [ 41.054673][ T2389] kthread+0x38c/0x460 [ 41.059126][ T2389] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.064452][ T2389] ? __kthread_bind_mask+0xc0/0xc0 [ 41.069848][ T2389] ret_from_fork+0x1f/0x30 [ 41.074341][ T2389] Kernel panic - not syncing: panic_on_warn set ... [ 41.080946][ T2389] CPU: 0 PID: 2389 Comm: pvrusb2-context Not tainted 5.12.0-rc7-syzkaller #0 [ 41.089726][ T2389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.100014][ T2389] Call Trace: [ 41.100316][ T2651] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 41.103313][ T2389] dump_stack+0x143/0x1db [ 41.103343][ T2389] panic+0x306/0x73d [ 41.119040][ T2389] ? __warn_printk+0xf3/0xf3 [ 41.123641][ T2389] ? __warn.cold+0x1a/0x44 [ 41.128091][ T2389] ? sysfs_remove_group+0x126/0x170 [ 41.133311][ T2389] __warn.cold+0x35/0x44 [ 41.137554][ T2389] ? irq_work_queue+0x44/0x50 [ 41.142229][ T2389] ? sysfs_remove_group+0x126/0x170 [ 41.147429][ T2389] report_bug+0x1bd/0x210 [ 41.151786][ T2389] handle_bug+0x3c/0x60 [ 41.155983][ T2389] exc_invalid_op+0x14/0x40 [ 41.161017][ T2389] asm_exc_invalid_op+0x12/0x20 [ 41.165944][ T2389] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 41.171863][ T2389] 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 37 48 8b 33 48 c7 c7 a0 db 12 86 e8 9b 68 ec 03 <0f> 0b eb 98 e8 f1 82 d5 ff e9 01 ff ff ff 48 89 df e8 e4 82 d5 ff [ 41.191514][ T2389] RSP: 0018:ffffc9000692fb80 EFLAGS: 00010286 [ 41.197582][ T2389] RAX: 0000000000000000 RBX: ffffffff863d7b00 RCX: 0000000000000000 [ 41.205557][ T2389] RDX: ffff888109d60000 RSI: ffffffff8129f7d3 RDI: fffff52000d25f62 [ 41.213529][ T2389] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 41.221552][ T2389] R10: ffffffff814ab6db R11: 0000000000000000 R12: ffff8881010fe020 [ 41.229536][ T2389] R13: ffffffff863d80a0 R14: 1ffff92000d25f98 R15: dffffc0000000000 [ 41.238037][ T2389] ? __irq_work_queue_local+0xbb/0xf0 [ 41.243428][ T2389] ? vprintk_func+0x93/0x140 [ 41.248051][ T2389] ? i2c_adapter_lock_bus+0x130/0x130 [ 41.253689][ T2389] dpm_sysfs_remove+0x97/0xb0 [ 41.258435][ T2389] device_del+0x20c/0xd40 [ 41.262798][ T2389] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 41.269967][ T2389] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 41.276929][ T2389] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 41.282744][ T2389] ? trace_hardirqs_on+0x5b/0x1a0 [ 41.287772][ T2389] ? i2c_adapter_lock_bus+0x130/0x130 [ 41.293235][ T2389] device_unregister+0x22/0xc0 [ 41.298021][ T2389] ? i2c_adapter_lock_bus+0x130/0x130 [ 41.303393][ T2389] __unregister_client+0x95/0xa0 [ 41.308359][ T2389] device_for_each_child+0xf9/0x170 [ 41.313575][ T2389] ? device_remove_class_symlinks+0x210/0x210 [ 41.319678][ T2389] ? __radix_tree_lookup+0x211/0x2a0 [ 41.324975][ T2389] i2c_del_adapter+0x37b/0x680 [ 41.329824][ T2389] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 41.335819][ T2389] pvr2_i2c_core_done+0x69/0xc0 [ 41.340669][ T2389] pvr2_hdw_destroy+0x179/0x3b0 [ 41.345547][ T2389] pvr2_context_destroy+0x84/0x230 [ 41.350701][ T2389] pvr2_context_thread_func+0x64b/0x850 [ 41.356264][ T2389] ? pvr2_context_destroy+0x230/0x230 [ 41.361656][ T2389] ? finish_wait+0x260/0x260 [ 41.366250][ T2389] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 41.372621][ T2389] ? __kthread_parkme+0x118/0x1d0 [ 41.377684][ T2389] ? pvr2_context_destroy+0x230/0x230 [ 41.383062][ T2389] kthread+0x38c/0x460 [ 41.387229][ T2389] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.392459][ T2389] ? __kthread_bind_mask+0xc0/0xc0 [ 41.397766][ T2389] ret_from_fork+0x1f/0x30 [ 41.402330][ T2389] Kernel Offset: disabled [ 41.406744][ T2389] Rebooting in 86400 seconds..