Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.400583][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 75.640587][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 75.760652][ T22] usb 1-1: config 0 has an invalid interface number: 94 but max is 0 [ 75.768981][ T22] usb 1-1: config 0 has no interface number 0 [ 75.775127][ T22] usb 1-1: New USB device found, idVendor=1164, idProduct=0602, bcdDevice=9e.3a [ 75.784176][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 75.793564][ T22] usb 1-1: config 0 descriptor?? [ 75.832904][ T22] pvrusb2: Hardware description: Gotview USB 2.0 DVD Deluxe executing program [ 76.031127][ T108] pvrusb2: Invalid write control endpoint [ 76.037330][ T22] usb 1-1: USB disconnect, device number 2 [ 76.049495][ T108] pvrusb2: Invalid write control endpoint [ 76.055313][ T108] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 76.064225][ T108] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 76.071348][ T108] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 76.080898][ T108] pvrusb2: Device being rendered inoperable [ 76.086990][ T108] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 76.094172][ T108] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 76.102757][ T108] pvrusb2: Attached sub-driver cx25840 [ 76.111805][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 76.119941][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 76.128552][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 76.136720][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 76.144939][ T108] 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. [ 76.166027][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 76.174389][ T108] tda9887 0-0043: creating new instance [ 76.180026][ T108] tda9887 0-0043: tda988[5/6/7] found [ 76.185437][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 76.193591][ T108] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 76.200571][ T108] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 76.207645][ T108] pvrusb2: Attached sub-driver tuner [ 76.212970][ T108] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 76.225737][ T108] 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. [ 76.248249][ T108] ------------[ cut here ]------------ [ 76.253769][ T108] sysfs group 'power' not found for kobject '0-0043' [ 76.260498][ T108] WARNING: CPU: 1 PID: 108 at fs/sysfs/group.c:254 sysfs_remove_group+0x155/0x1b0 [ 76.269675][ T108] Kernel panic - not syncing: panic_on_warn set ... [ 76.276246][ T108] CPU: 1 PID: 108 Comm: pvrusb2-context Not tainted 5.2.0-rc6+ #13 [ 76.284129][ T108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.294166][ T108] Call Trace: [ 76.297460][ T108] dump_stack+0xca/0x13e [ 76.301701][ T108] ? sysfs_remove_group+0x110/0x1b0 [ 76.307035][ T108] panic+0x292/0x6c9 [ 76.311020][ T108] ? __warn_printk+0xf3/0xf3 [ 76.315628][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 76.320817][ T108] ? __probe_kernel_read+0x16c/0x1b0 [ 76.326091][ T108] ? __warn.cold+0x5/0x4b [ 76.330400][ T108] ? __warn+0xe4/0x1c0 [ 76.334581][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 76.339760][ T108] __warn.cold+0x20/0x4b [ 76.343983][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 76.349162][ T108] report_bug+0x262/0x2a0 [ 76.353476][ T108] do_error_trap+0x12b/0x1e0 [ 76.358052][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 76.363228][ T108] do_invalid_op+0x32/0x40 [ 76.367621][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 76.372797][ T108] invalid_op+0x14/0x20 [ 76.376929][ T108] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 76.382714][ T108] 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 e0 4a d0 85 e8 16 1a 8c ff <0f> 0b eb 95 e8 22 46 dc ff e9 d2 fe ff ff 48 89 df e8 15 46 dc ff [ 76.402294][ T108] RSP: 0018:ffff8881d43afb68 EFLAGS: 00010286 [ 76.408335][ T108] RAX: 0000000000000000 RBX: ffffffff85f24140 RCX: 0000000000000000 [ 76.416283][ T108] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103a875f5f [ 76.424230][ T108] RBP: 0000000000000000 R08: ffff8881d45cb000 R09: ffffed103b663ed7 [ 76.432179][ T108] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffff8881d0e9cca0 [ 76.440129][ T108] R13: ffffffff85f246e0 R14: 1ffff1103a875f98 R15: ffff8881d0e9cce8 [ 76.448086][ T108] ? vprintk_func+0x7d/0x113 [ 76.452661][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 76.457839][ T108] dpm_sysfs_remove+0x97/0xb0 [ 76.462670][ T108] device_del+0x172/0xb80 [ 76.467016][ T108] ? __kasan_slab_free+0x145/0x180 [ 76.472457][ T108] ? kfree_const+0x51/0x60 [ 76.476860][ T108] ? __device_links_no_driver+0x240/0x240 [ 76.482563][ T108] ? kfree_const+0x51/0x60 [ 76.486962][ T108] ? kobject_put+0x18c/0x280 [ 76.491535][ T108] device_unregister+0x11/0x30 [ 76.496296][ T108] i2c_unregister_device+0x13f/0x180 [ 76.501637][ T108] ? i2c_check_mux_children+0xa0/0xa0 [ 76.506995][ T108] __unregister_client+0x78/0x90 [ 76.511914][ T108] device_for_each_child+0xf9/0x170 [ 76.517093][ T108] ? device_remove_class_symlinks+0x210/0x210 [ 76.523142][ T108] ? __radix_tree_lookup+0x1ed/0x260 [ 76.528426][ T108] i2c_del_adapter+0x2b2/0x550 [ 76.533175][ T108] ? del_timer_sync+0x121/0x130 [ 76.538008][ T108] pvr2_i2c_core_done+0x69/0xb6 [ 76.542844][ T108] pvr2_hdw_destroy+0x179/0x370 [ 76.547675][ T108] pvr2_context_destroy+0x84/0x230 [ 76.552791][ T108] pvr2_context_thread_func+0x657/0x860 [ 76.558327][ T108] ? lock_acquire+0x100/0x2b0 [ 76.562986][ T108] ? pvr2_context_destroy+0x230/0x230 [ 76.568332][ T108] ? finish_wait+0x260/0x260 [ 76.572904][ T108] ? lockdep_hardirqs_on+0x379/0x580 [ 76.578177][ T108] ? __kthread_parkme+0xfd/0x1b0 [ 76.583090][ T108] ? pvr2_context_destroy+0x230/0x230 [ 76.588438][ T108] kthread+0x30b/0x410 [ 76.592649][ T108] ? kthread_park+0x1a0/0x1a0 [ 76.597312][ T108] ret_from_fork+0x24/0x30 [ 76.602179][ T108] Kernel Offset: disabled [ 76.606532][ T108] Rebooting in 86400 seconds..