Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.224309][ T2664] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.744117][ T2664] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 36.753317][ T2664] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 36.761403][ T2664] usb 1-1: Product: syz [ 36.765633][ T2664] usb 1-1: Manufacturer: syz [ 36.770236][ T2664] usb 1-1: SerialNumber: syz [ 36.781693][ T2664] usb 1-1: config 0 descriptor?? [ 36.837469][ T2664] pvrusb2: Hardware description: Terratec Grabster AV400 [ 36.844657][ T2664] pvrusb2: ********** [ 36.848644][ T2664] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 36.858997][ T2664] pvrusb2: Important functionality might not be entirely working. [ 36.866888][ T2664] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 36.878251][ T2664] pvrusb2: ********** executing program [ 37.054553][ T2377] pvrusb2: Invalid write control endpoint [ 37.056388][ T2664] usb 1-1: USB disconnect, device number 2 [ 37.169440][ T2377] pvrusb2: Invalid write control endpoint [ 37.175346][ T2377] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 37.184847][ T2377] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 37.192401][ T2377] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 37.202414][ T2377] pvrusb2: Device being rendered inoperable [ 37.210500][ T2377] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 37.218131][ T2377] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 37.228126][ T2377] pvrusb2: Attached sub-driver cx25840 [ 37.233821][ T2377] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 37.244066][ T2377] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 37.603563][ T2664] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 38.133562][ T2664] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 38.142658][ T2664] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 38.150751][ T2664] usb 1-1: Product: syz [ 38.154986][ T2664] usb 1-1: Manufacturer: syz [ 38.159607][ T2664] usb 1-1: SerialNumber: syz [ 38.168911][ T2664] usb 1-1: config 0 descriptor?? [ 38.235484][ T2664] pvrusb2: Hardware description: Terratec Grabster AV400 [ 38.242553][ T2664] pvrusb2: ********** [ 38.246689][ T2664] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 38.256826][ T2664] pvrusb2: Important functionality might not be entirely working. [ 38.264705][ T2664] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 38.276054][ T2664] pvrusb2: ********** executing program [ 38.473442][ T2377] pvrusb2: Invalid write control endpoint [ 38.474832][ T2664] usb 1-1: USB disconnect, device number 3 [ 38.495508][ T2377] pvrusb2: Invalid write control endpoint [ 38.501320][ T2377] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 38.510731][ T2377] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 38.518353][ T2377] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 38.528429][ T2377] pvrusb2: Device being rendered inoperable [ 38.544738][ T2377] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 38.553516][ T2377] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 38.562927][ T2377] pvrusb2: Attached sub-driver cx25840 [ 38.568624][ T2377] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 38.578801][ T2377] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 38.932960][ T2664] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 39.452835][ T2664] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 39.462054][ T2664] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.470201][ T2664] usb 1-1: Product: syz [ 39.474464][ T2664] usb 1-1: Manufacturer: syz [ 39.479062][ T2664] usb 1-1: SerialNumber: syz [ 39.488703][ T2664] usb 1-1: config 0 descriptor?? [ 39.537091][ T2664] pvrusb2: Hardware description: Terratec Grabster AV400 [ 39.544227][ T2664] pvrusb2: ********** [ 39.548214][ T2664] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 39.558364][ T2664] pvrusb2: Important functionality might not be entirely working. [ 39.566257][ T2664] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 39.577611][ T2664] pvrusb2: ********** executing program [ 39.763586][ T2377] pvrusb2: Invalid write control endpoint [ 39.765116][ T2664] usb 1-1: USB disconnect, device number 4 [ 39.785283][ T2377] pvrusb2: Invalid write control endpoint [ 39.791042][ T2377] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 39.800590][ T2377] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 39.808181][ T2377] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 39.818221][ T2377] pvrusb2: Device being rendered inoperable [ 39.824250][ T2377] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 39.831399][ T2377] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 39.839925][ T2377] pvrusb2: Attached sub-driver cx25840 [ 39.845493][ T2377] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 39.855739][ T2377] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 39.868172][ T2377] ------------[ cut here ]------------ [ 39.873762][ T2377] sysfs group 'power' not found for kobject '0-0044' [ 39.880562][ T2377] WARNING: CPU: 1 PID: 2377 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 [ 39.889947][ T2377] Modules linked in: [ 39.893915][ T2377] CPU: 1 PID: 2377 Comm: pvrusb2-context Not tainted 5.12.0-rc7-syzkaller #0 [ 39.902774][ T2377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.912922][ T2377] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 39.918782][ T2377] 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 [ 39.938467][ T2377] RSP: 0018:ffffc900066f7b80 EFLAGS: 00010286 [ 39.944626][ T2377] RAX: 0000000000000000 RBX: ffffffff863d7b00 RCX: 0000000000000000 [ 39.952680][ T2377] RDX: ffff888109c59b40 RSI: ffffffff8129f7d3 RDI: fffff52000cdef62 [ 39.960675][ T2377] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 39.968769][ T2377] R10: ffffffff814ab72f R11: 0000000000000000 R12: ffff888100cf6020 [ 39.976813][ T2377] R13: ffffffff863d80a0 R14: 1ffff92000cdef98 R15: dffffc0000000000 [ 39.984892][ T2377] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 39.993882][ T2377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.000488][ T2377] CR2: 00007fffb325eb40 CR3: 0000000102dc0000 CR4: 00000000001506e0 [ 40.008513][ T2377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.016554][ T2377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.024689][ T2377] Call Trace: [ 40.027984][ T2377] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.033478][ T2377] dpm_sysfs_remove+0x97/0xb0 [ 40.038173][ T2377] device_del+0x20c/0xd40 [ 40.042557][ T2377] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 40.048901][ T2377] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 40.054933][ T2377] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 40.060765][ T2377] ? trace_hardirqs_on+0x5b/0x1a0 [ 40.065850][ T2377] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.071236][ T2377] device_unregister+0x22/0xc0 [ 40.076044][ T2377] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.081445][ T2377] __unregister_client+0x95/0xa0 [ 40.086454][ T2377] device_for_each_child+0xf9/0x170 [ 40.091675][ T2377] ? device_remove_class_symlinks+0x210/0x210 [ 40.097781][ T2377] ? __radix_tree_lookup+0x211/0x2a0 [ 40.103127][ T2377] i2c_del_adapter+0x37b/0x680 [ 40.107905][ T2377] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 40.113943][ T2377] pvr2_i2c_core_done+0x69/0xc0 [ 40.118817][ T2377] pvr2_hdw_destroy+0x179/0x3b0 [ 40.123712][ T2377] pvr2_context_destroy+0x84/0x230 [ 40.128926][ T2377] pvr2_context_thread_func+0x64b/0x850 [ 40.134525][ T2377] ? pvr2_context_destroy+0x230/0x230 [ 40.139912][ T2377] ? finish_wait+0x260/0x260 [ 40.144570][ T2377] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 40.150851][ T2377] ? __kthread_parkme+0x118/0x1d0 [ 40.155936][ T2377] ? pvr2_context_destroy+0x230/0x230 [ 40.161326][ T2377] kthread+0x38c/0x460 [ 40.165472][ T2377] ? _raw_spin_unlock_irq+0x1f/0x30 [ 40.170703][ T2377] ? __kthread_bind_mask+0xc0/0xc0 [ 40.175881][ T2377] ret_from_fork+0x1f/0x30 [ 40.180363][ T2377] Kernel panic - not syncing: panic_on_warn set ... [ 40.186948][ T2377] CPU: 1 PID: 2377 Comm: pvrusb2-context Not tainted 5.12.0-rc7-syzkaller #0 [ 40.195703][ T2377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.205759][ T2377] Call Trace: [ 40.209046][ T2377] dump_stack+0x143/0x1db [ 40.213393][ T2377] panic+0x306/0x73d [ 40.217291][ T2377] ? __warn_printk+0xf3/0xf3 [ 40.221867][ T2377] ? __warn.cold+0x1a/0x44 [ 40.226271][ T2377] ? sysfs_remove_group+0x126/0x170 [ 40.231459][ T2377] __warn.cold+0x35/0x44 [ 40.235705][ T2377] ? irq_work_queue+0x44/0x50 [ 40.240401][ T2377] ? sysfs_remove_group+0x126/0x170 [ 40.245589][ T2377] report_bug+0x1bd/0x210 [ 40.249911][ T2377] handle_bug+0x3c/0x60 [ 40.254071][ T2377] exc_invalid_op+0x14/0x40 [ 40.258562][ T2377] asm_exc_invalid_op+0x12/0x20 [ 40.263409][ T2377] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 40.269227][ T2377] 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 [ 40.288829][ T2377] RSP: 0018:ffffc900066f7b80 EFLAGS: 00010286 [ 40.295430][ T2377] RAX: 0000000000000000 RBX: ffffffff863d7b00 RCX: 0000000000000000 [ 40.303396][ T2377] RDX: ffff888109c59b40 RSI: ffffffff8129f7d3 RDI: fffff52000cdef62 [ 40.311373][ T2377] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 40.319334][ T2377] R10: ffffffff814ab72f R11: 0000000000000000 R12: ffff888100cf6020 [ 40.327356][ T2377] R13: ffffffff863d80a0 R14: 1ffff92000cdef98 R15: dffffc0000000000 [ 40.335337][ T2377] ? irq_work_queue+0x1f/0x50 [ 40.340031][ T2377] ? vprintk_func+0x93/0x140 [ 40.344624][ T2377] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.349988][ T2377] dpm_sysfs_remove+0x97/0xb0 [ 40.354659][ T2377] device_del+0x20c/0xd40 [ 40.358976][ T2377] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 40.365294][ T2377] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 40.371264][ T2377] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 40.377066][ T2377] ? trace_hardirqs_on+0x5b/0x1a0 [ 40.382142][ T2377] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.387506][ T2377] device_unregister+0x22/0xc0 [ 40.392389][ T2377] ? i2c_adapter_lock_bus+0x130/0x130 [ 40.397852][ T2377] __unregister_client+0x95/0xa0 [ 40.402788][ T2377] device_for_each_child+0xf9/0x170 [ 40.408028][ T2377] ? device_remove_class_symlinks+0x210/0x210 [ 40.414086][ T2377] ? __radix_tree_lookup+0x211/0x2a0 [ 40.419371][ T2377] i2c_del_adapter+0x37b/0x680 [ 40.424131][ T2377] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 40.430113][ T2377] pvr2_i2c_core_done+0x69/0xc0 [ 40.434982][ T2377] pvr2_hdw_destroy+0x179/0x3b0 [ 40.439841][ T2377] pvr2_context_destroy+0x84/0x230 [ 40.444946][ T2377] pvr2_context_thread_func+0x64b/0x850 [ 40.450486][ T2377] ? pvr2_context_destroy+0x230/0x230 [ 40.455850][ T2377] ? finish_wait+0x260/0x260 [ 40.460462][ T2377] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 40.466714][ T2377] ? __kthread_parkme+0x118/0x1d0 [ 40.471748][ T2377] ? pvr2_context_destroy+0x230/0x230 [ 40.477152][ T2377] kthread+0x38c/0x460 [ 40.481283][ T2377] ? _raw_spin_unlock_irq+0x1f/0x30 [ 40.486476][ T2377] ? __kthread_bind_mask+0xc0/0xc0 [ 40.491598][ T2377] ret_from_fork+0x1f/0x30 [ 40.496492][ T2377] Kernel Offset: disabled [ 40.500883][ T2377] Rebooting in 86400 seconds..