Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 83.231893][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 83.471861][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 83.591956][ T12] usb 1-1: config 0 has an invalid interface number: 214 but max is 0 [ 83.600338][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 83.610701][ T12] usb 1-1: config 0 has no interface number 0 [ 83.616899][ T12] usb 1-1: config 0 interface 214 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 83.630012][ T12] usb 1-1: New USB device found, idVendor=1164, idProduct=0602, bcdDevice= c.9c [ 83.639074][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 83.648938][ T12] usb 1-1: config 0 descriptor?? executing program [ 83.911989][ T12] usb 1-1: string descriptor 0 read error: -71 [ 83.923270][ T12] pvrusb2: Hardware description: Gotview USB 2.0 DVD Deluxe [ 83.942907][ T107] pvrusb2: Invalid write control endpoint [ 83.949111][ T12] usb 1-1: USB disconnect, device number 2 [ 83.963274][ T107] pvrusb2: Invalid write control endpoint [ 83.969073][ T107] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 83.978373][ T107] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 83.985495][ T107] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 83.995214][ T107] pvrusb2: Device being rendered inoperable [ 84.001811][ T107] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 84.008943][ T107] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 84.018512][ T107] pvrusb2: Attached sub-driver cx25840 [ 84.028219][ T107] pvrusb2: Attempted to execute control transfer when device not ok [ 84.036619][ T107] pvrusb2: Attempted to execute control transfer when device not ok [ 84.044773][ T107] pvrusb2: Attempted to execute control transfer when device not ok [ 84.053061][ T107] pvrusb2: Attempted to execute control transfer when device not ok [ 84.061032][ T107] pvrusb2: Module ID 4 (tuner) for device Gotview USB 2.0 DVD Deluxe failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 84.084123][ T107] pvrusb2: Attempted to execute control transfer when device not ok [ 84.092609][ T107] tda9887 0-0043: creating new instance [ 84.098343][ T107] tda9887 0-0043: tda988[5/6/7] found [ 84.103778][ T107] pvrusb2: Attempted to execute control transfer when device not ok [ 84.111941][ T107] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 84.118886][ T107] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 84.126026][ T107] pvrusb2: Attached sub-driver tuner [ 84.131319][ T107] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 84.144324][ T107] 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. [ 84.167760][ T107] ------------[ cut here ]------------ [ 84.173549][ T107] sysfs group 'power' not found for kobject '0-0043' [ 84.180422][ T107] WARNING: CPU: 1 PID: 107 at fs/sysfs/group.c:254 sysfs_remove_group+0x155/0x1b0 [ 84.189606][ T107] Kernel panic - not syncing: panic_on_warn set ... [ 84.196175][ T107] CPU: 1 PID: 107 Comm: pvrusb2-context Not tainted 5.2.0-rc5+ #11 [ 84.204041][ T107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.214203][ T107] Call Trace: [ 84.217528][ T107] dump_stack+0xca/0x13e [ 84.221864][ T107] ? sysfs_remove_group+0xa0/0x1b0 [ 84.226978][ T107] panic+0x292/0x6c9 [ 84.230931][ T107] ? __warn_printk+0xf3/0xf3 [ 84.235510][ T107] ? sysfs_remove_group+0x155/0x1b0 [ 84.240699][ T107] ? __probe_kernel_read+0x16c/0x1b0 [ 84.245984][ T107] ? __warn.cold+0x5/0x4b [ 84.250440][ T107] ? __warn+0xe4/0x1c0 [ 84.254501][ T107] ? sysfs_remove_group+0x155/0x1b0 [ 84.259688][ T107] __warn.cold+0x20/0x4b [ 84.263962][ T107] ? sysfs_remove_group+0x155/0x1b0 [ 84.269239][ T107] report_bug+0x262/0x2a0 [ 84.273619][ T107] do_error_trap+0x12b/0x1e0 [ 84.278191][ T107] ? sysfs_remove_group+0x155/0x1b0 [ 84.283365][ T107] do_invalid_op+0x32/0x40 [ 84.287759][ T107] ? sysfs_remove_group+0x155/0x1b0 [ 84.292957][ T107] invalid_op+0x14/0x20 [ 84.297102][ T107] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 84.303026][ T107] 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 60 4a d0 85 e8 a6 1f 8c ff <0f> 0b eb 95 e8 82 48 dc ff e9 d2 fe ff ff 48 89 df e8 75 48 dc ff [ 84.322786][ T107] RSP: 0018:ffff8881d3c07b68 EFLAGS: 00010286 [ 84.328885][ T107] RAX: 0000000000000000 RBX: ffffffff85f240c0 RCX: 0000000000000000 [ 84.336848][ T107] RDX: 0000000000000000 RSI: ffffffff8127ec0d RDI: ffffed103a780f5f [ 84.344816][ T107] RBP: 0000000000000000 R08: ffff8881d7f74800 R09: ffffed103b663ed7 [ 84.352778][ T107] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffff8881cf435da0 [ 84.360739][ T107] R13: ffffffff85f24660 R14: 1ffff1103a780f98 R15: ffff8881cf435de8 [ 84.369008][ T107] ? vprintk_func+0x7d/0x113 [ 84.373591][ T107] ? sysfs_remove_group+0x155/0x1b0 [ 84.378945][ T107] dpm_sysfs_remove+0x97/0xb0 [ 84.383710][ T107] device_del+0x172/0xb80 [ 84.388041][ T107] ? __kasan_slab_free+0x145/0x180 [ 84.393144][ T107] ? kfree_const+0x51/0x60 [ 84.397547][ T107] ? __device_links_no_driver+0x240/0x240 [ 84.403371][ T107] ? kfree_const+0x51/0x60 [ 84.407779][ T107] ? kobject_put+0x18c/0x280 [ 84.412492][ T107] device_unregister+0x11/0x30 [ 84.417503][ T107] i2c_unregister_device+0x13f/0x180 [ 84.422783][ T107] ? i2c_check_mux_children+0xa0/0xa0 [ 84.428228][ T107] __unregister_client+0x78/0x90 [ 84.433243][ T107] device_for_each_child+0xf9/0x170 [ 84.438433][ T107] ? device_remove_class_symlinks+0x210/0x210 [ 84.441945][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 84.444510][ T107] ? __radix_tree_lookup+0x1ed/0x260 [ 84.457126][ T107] i2c_del_adapter+0x2b2/0x550 [ 84.462002][ T107] ? del_timer_sync+0x121/0x130 [ 84.487370][ T107] pvr2_i2c_core_done+0x69/0xb6 [ 84.492273][ T107] pvr2_hdw_destroy+0x179/0x370 [ 84.497257][ T107] pvr2_context_destroy+0x84/0x230 [ 84.502502][ T107] pvr2_context_thread_func+0x657/0x860 [ 84.508029][ T107] ? lock_acquire+0x100/0x2b0 [ 84.512685][ T107] ? pvr2_context_destroy+0x230/0x230 [ 84.518198][ T107] ? finish_wait+0x260/0x260 [ 84.521862][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 84.522779][ T107] ? lockdep_hardirqs_on+0x379/0x580 [ 84.522794][ T107] ? __kthread_parkme+0xfd/0x1b0 [ 84.522816][ T107] ? pvr2_context_destroy+0x230/0x230 [ 84.546065][ T107] kthread+0x30b/0x410 [ 84.550271][ T107] ? kthread_park+0x1a0/0x1a0 [ 84.554944][ T107] ret_from_fork+0x24/0x30 [ 84.560122][ T107] Kernel Offset: disabled [ 84.564505][ T107] Rebooting in 86400 seconds..