Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.174285][ T22] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 41.544365][ T22] usb 1-1: config 0 has an invalid interface number: 79 but max is 0 [ 41.553364][ T22] usb 1-1: config 0 has no interface number 0 [ 41.559916][ T22] usb 1-1: config 0 interface 79 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 41.570978][ T22] usb 1-1: New USB device found, idVendor=11ba, idProduct=1001, bcdDevice=65.de [ 41.580690][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.591866][ T22] usb 1-1: config 0 descriptor?? executing program [ 41.874487][ T22] usb 1-1: string descriptor 0 read error: -71 [ 41.883843][ T22] pvrusb2: Hardware description: OnAir USB2 Hybrid USB tuner [ 41.904748][ T102] pvrusb2: Invalid write control endpoint [ 41.906067][ T22] usb 1-1: USB disconnect, device number 2 [ 41.919685][ T102] pvrusb2: Invalid write control endpoint [ 41.927289][ T102] pvrusb2: Invalid write control endpoint [ 41.933994][ T102] pvrusb2: Invalid write control endpoint [ 41.940488][ T102] pvrusb2: Invalid write control endpoint [ 41.946782][ T102] pvrusb2: Invalid write control endpoint [ 41.953247][ T102] pvrusb2: Invalid write control endpoint [ 41.959623][ T102] pvrusb2: Invalid write control endpoint [ 41.965925][ T102] pvrusb2: Invalid write control endpoint [ 41.972285][ T102] pvrusb2: Invalid write control endpoint [ 41.979012][ T102] pvrusb2: Invalid write control endpoint [ 41.985128][ T102] pvrusb2: Invalid write control endpoint [ 41.990973][ T102] pvrusb2: Invalid write control endpoint [ 41.996939][ T102] pvrusb2: Invalid write control endpoint [ 42.002973][ T102] pvrusb2: Invalid write control endpoint [ 42.009289][ T102] pvrusb2: Invalid write control endpoint [ 42.015155][ T102] pvrusb2: Invalid write control endpoint [ 42.021644][ T102] pvrusb2: Invalid write control endpoint [ 42.028176][ T102] pvrusb2: Invalid write control endpoint [ 42.035083][ T102] pvrusb2: Invalid write control endpoint [ 42.041824][ T102] pvrusb2: Invalid write control endpoint [ 42.049805][ T102] pvrusb2: Invalid write control endpoint [ 42.058016][ T102] pvrusb2: Invalid write control endpoint [ 42.064629][ T102] pvrusb2: Invalid write control endpoint [ 42.070826][ T102] pvrusb2: Invalid write control endpoint [ 42.076745][ T102] pvrusb2: Invalid write control endpoint [ 42.082751][ T102] pvrusb2: Invalid write control endpoint [ 42.089116][ T102] pvrusb2: Invalid write control endpoint [ 42.095358][ T102] pvrusb2: Invalid write control endpoint [ 42.101595][ T102] pvrusb2: Invalid write control endpoint [ 42.108979][ T102] pvrusb2: Invalid write control endpoint [ 42.115009][ T102] pvrusb2: Invalid write control endpoint [ 42.121733][ T102] pvrusb2: Invalid write control endpoint [ 42.128438][ T102] pvrusb2: Module ID 3 (saa7115) for device OnAir USB2 Hybrid USB tuner failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 42.152603][ T102] cs53l32a 0-0011: chip found @ 0x22 (pvrusb2_a) [ 42.163047][ T102] pvrusb2: Invalid write control endpoint [ 42.171479][ T102] pvrusb2: Invalid write control endpoint [ 42.179079][ T102] pvrusb2: Invalid write control endpoint [ 42.187717][ T102] pvrusb2: Invalid write control endpoint [ 42.195045][ T102] pvrusb2: Invalid write control endpoint [ 42.203935][ T102] pvrusb2: Invalid write control endpoint [ 42.213438][ T102] pvrusb2: Invalid write control endpoint [ 42.220766][ T102] pvrusb2: Invalid write control endpoint [ 42.227049][ T102] pvrusb2: Invalid write control endpoint [ 42.233324][ T102] pvrusb2: Invalid write control endpoint [ 42.242988][ T102] pvrusb2: Invalid write control endpoint [ 42.251132][ T102] pvrusb2: Invalid write control endpoint [ 42.258694][ T102] pvrusb2: Invalid write control endpoint [ 42.266051][ T102] pvrusb2: Invalid write control endpoint [ 42.272721][ T102] pvrusb2: Invalid write control endpoint [ 42.279308][ T102] pvrusb2: Invalid write control endpoint [ 42.285735][ T102] pvrusb2: Invalid write control endpoint [ 42.292304][ T102] pvrusb2: Invalid write control endpoint [ 42.298646][ T102] pvrusb2: Invalid write control endpoint [ 42.304467][ T102] pvrusb2: Invalid write control endpoint [ 42.310881][ T102] pvrusb2: Invalid write control endpoint [ 42.317925][ T102] pvrusb2: Attached sub-driver cs53l32a [ 42.329238][ T102] pvrusb2: Invalid write control endpoint [ 42.336349][ T102] pvrusb2: Invalid write control endpoint [ 42.342468][ T102] pvrusb2: Invalid write control endpoint [ 42.349149][ T102] pvrusb2: Invalid write control endpoint [ 42.355346][ T102] pvrusb2: Module ID 4 (tuner) for device OnAir USB2 Hybrid USB tuner failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 42.373578][ T102] pvrusb2: Device being rendered inoperable [ 42.380235][ T102] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 42.394683][ T102] pvrusb2: You need to resolve the failing condition before this driver can function. There should be some earlier messages giving more information about the problem. [ 42.417312][ T102] ------------[ cut here ]------------ [ 42.424400][ T102] sysfs group 'power' not found for kobject '0-0011' [ 42.431742][ T102] WARNING: CPU: 1 PID: 102 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 42.441326][ T102] Kernel panic - not syncing: panic_on_warn set ... [ 42.448388][ T102] CPU: 1 PID: 102 Comm: pvrusb2-context Not tainted 5.5.0-rc1-syzkaller #0 [ 42.457595][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.468553][ T102] Call Trace: [ 42.471849][ T102] dump_stack+0xef/0x16e [ 42.476718][ T102] ? sysfs_remove_group+0xf0/0x1b0 [ 42.482515][ T102] panic+0x2aa/0x6e1 [ 42.486836][ T102] ? add_taint.cold+0x16/0x16 [ 42.491668][ T102] ? __probe_kernel_read+0x188/0x1d0 [ 42.497085][ T102] ? __warn.cold+0x14/0x30 [ 42.501519][ T102] ? __warn+0xd5/0x1c8 [ 42.505759][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 42.511092][ T102] __warn.cold+0x2f/0x30 [ 42.515434][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 42.521310][ T102] report_bug+0x27b/0x2f0 [ 42.525943][ T102] do_error_trap+0x12b/0x1e0 [ 42.531200][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 42.536582][ T102] do_invalid_op+0x32/0x40 [ 42.541248][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 42.546908][ T102] invalid_op+0x23/0x30 [ 42.551454][ T102] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 42.557941][ T102] 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 bc d0 85 e8 03 18 86 ff <0f> 0b eb 95 e8 32 85 d9 ff e9 d2 fe ff ff 48 89 df e8 25 85 d9 ff [ 42.578810][ T102] RSP: 0018:ffff8881d4b87b90 EFLAGS: 00010282 [ 42.585230][ T102] RAX: 0000000000000000 RBX: ffffffff85f37aa0 RCX: 0000000000000000 [ 42.593431][ T102] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103a970f64 [ 42.602162][ T102] RBP: 0000000000000000 R08: ffff8881d4b78000 R09: ffffed103b66439f [ 42.610412][ T102] R10: ffffed103b66439e R11: ffff8881db321cf3 R12: ffff8881cfbe1020 [ 42.618877][ T102] R13: ffffffff85f38040 R14: 1ffff1103a970f98 R15: dffffc0000000000 [ 42.627780][ T102] ? vprintk_func+0x7d/0x113 [ 42.632482][ T102] ? __unregister_dummy+0x80/0x80 [ 42.637866][ T102] dpm_sysfs_remove+0x97/0xb0 [ 42.643035][ T102] device_del+0x18b/0xd30 [ 42.648185][ T102] ? lock_acquire+0x127/0x320 [ 42.654217][ T102] ? device_create_with_groups+0x120/0x120 [ 42.660173][ T102] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 42.666237][ T102] ? __device_link_free_srcu+0x110/0x110 [ 42.672334][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 42.677855][ T102] ? __unregister_dummy+0x80/0x80 [ 42.682882][ T102] device_unregister+0x11/0x30 [ 42.688573][ T102] __unregister_client+0x8b/0xa0 [ 42.693697][ T102] device_for_each_child+0xf9/0x170 [ 42.698914][ T102] ? device_remove_class_symlinks+0x210/0x210 [ 42.705912][ T102] ? __radix_tree_lookup+0x1ed/0x260 [ 42.711403][ T102] i2c_del_adapter+0x2e2/0x590 [ 42.716636][ T102] ? del_timer_sync+0x115/0x130 [ 42.722116][ T102] pvr2_i2c_core_done+0x69/0xb6 [ 42.727368][ T102] pvr2_hdw_destroy+0x179/0x370 [ 42.732738][ T102] pvr2_context_destroy+0x84/0x230 [ 42.740328][ T102] pvr2_context_thread_func+0x657/0x860 [ 42.746272][ T102] ? lock_acquire+0x127/0x320 [ 42.751402][ T102] ? pvr2_context_destroy+0x230/0x230 [ 42.757042][ T102] ? finish_wait+0x260/0x260 [ 42.762294][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 42.767818][ T102] ? __kthread_parkme+0x10a/0x1c0 [ 42.772943][ T102] ? pvr2_context_destroy+0x230/0x230 [ 42.778813][ T102] kthread+0x318/0x420 [ 42.782903][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 42.788426][ T102] ret_from_fork+0x24/0x30 [ 42.794317][ T102] Kernel Offset: disabled [ 42.798703][ T102] Rebooting in 86400 seconds..