Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.308474][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.548412][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 36.708474][ T12] usb 1-1: unable to get BOS descriptor or descriptor too short [ 36.788522][ T12] usb 1-1: config 7 has an invalid interface number: 68 but max is 0 [ 36.796765][ T12] usb 1-1: config 7 has no interface number 0 [ 36.803056][ T12] usb 1-1: config 7 interface 68 has no altsetting 0 [ 37.048966][ T12] usb 1-1: string descriptor 0 read error: -22 [ 37.055211][ T12] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice=95.48 [ 37.064297][ T12] usb 1-1: New USB device strings: Mfr=6, Product=18, SerialNumber=128 [ 37.110884][ T12] pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 [ 37.118234][ T12] usb 1-1: selecting invalid altsetting 0 [ 37.124615][ T103] pvrusb2: Invalid write control endpoint [ 37.137009][ T103] pvrusb2: Invalid write control endpoint [ 37.143027][ T103] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 37.152429][ T103] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 37.159998][ T103] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 37.170002][ T103] pvrusb2: Device being rendered inoperable [ 37.176287][ T103] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 37.183477][ T103] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 37.192378][ T103] pvrusb2: Attached sub-driver cx25840 [ 37.202417][ T103] pvrusb2: Attempted to execute control transfer when device not ok [ 37.210794][ T103] pvrusb2: Attempted to execute control transfer when device not ok [ 37.218959][ T103] pvrusb2: Attempted to execute control transfer when device not ok [ 37.226951][ T103] pvrusb2: Attempted to execute control transfer when device not ok [ 37.234990][ T103] pvrusb2: Module ID 4 (tuner) for device Gotview USB 2.0 DVD 2 failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 37.256065][ T103] pvrusb2: Attempted to execute control transfer when device not ok [ 37.264842][ T103] tda9887 0-0043: creating new instance [ 37.270552][ T103] tda9887 0-0043: tda988[5/6/7] found [ 37.275940][ T103] pvrusb2: Attempted to execute control transfer when device not ok [ 37.283980][ T103] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 37.290975][ T103] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 37.298031][ T103] pvrusb2: Attached sub-driver tuner executing program [ 37.303418][ T103] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 37.316409][ T103] 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. [ 37.318275][ T12] usb 1-1: USB disconnect, device number 2 [ 37.344837][ T103] ------------[ cut here ]------------ [ 37.350398][ T103] sysfs group 'power' not found for kobject '0-0044' [ 37.357135][ T103] WARNING: CPU: 1 PID: 103 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 37.366309][ T103] Kernel panic - not syncing: panic_on_warn set ... [ 37.372973][ T103] CPU: 1 PID: 103 Comm: pvrusb2-context Not tainted 5.3.0-rc2+ #25 [ 37.380840][ T103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.390883][ T103] Call Trace: [ 37.394159][ T103] dump_stack+0xca/0x13e [ 37.398387][ T103] ? sysfs_remove_group+0xf0/0x1b0 [ 37.403484][ T103] panic+0x2a3/0x6da [ 37.407362][ T103] ? add_taint.cold+0x16/0x16 [ 37.412029][ T103] ? __probe_kernel_read+0x188/0x1d0 [ 37.417293][ T103] ? __warn.cold+0x5/0x4a [ 37.421600][ T103] ? __warn+0xe3/0x1e0 [ 37.425667][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 37.430846][ T103] __warn.cold+0x20/0x4a [ 37.435070][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 37.440256][ T103] report_bug+0x262/0x2a0 [ 37.444584][ T103] do_error_trap+0x12b/0x1e0 [ 37.449159][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 37.454341][ T103] do_invalid_op+0x32/0x40 [ 37.458744][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 37.463953][ T103] invalid_op+0x23/0x30 [ 37.468100][ T103] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 37.473916][ T103] 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 c5 d0 85 e8 a0 09 8b ff <0f> 0b eb 95 e8 72 e8 db ff e9 d2 fe ff ff 48 89 df e8 65 e8 db ff [ 37.501458][ T103] RSP: 0018:ffff8881d51c7b68 EFLAGS: 00010286 [ 37.507530][ T103] RAX: 0000000000000000 RBX: ffffffff85f2cd60 RCX: 0000000000000000 [ 37.515498][ T103] RDX: 0000000000000000 RSI: ffffffff8128a0fd RDI: ffffed103aa38f5f [ 37.523552][ T103] RBP: 0000000000000000 R08: ffff8881d7bc6000 R09: ffffed103b663ee7 [ 37.531520][ T103] R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: ffff8881d5fc6ea0 [ 37.539484][ T103] R13: ffffffff85f2d300 R14: 1ffff1103aa38f98 R15: dffffc0000000000 [ 37.547466][ T103] ? vprintk_func+0x7d/0x113 [ 37.552059][ T103] ? sysfs_remove_group+0x155/0x1b0 [ 37.557259][ T103] dpm_sysfs_remove+0x97/0xb0 [ 37.561924][ T103] device_del+0x12a/0xb10 [ 37.566380][ T103] ? lock_downgrade+0x6e0/0x6e0 [ 37.571236][ T103] ? __device_links_no_driver+0x240/0x240 [ 37.576950][ T103] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 37.582769][ T103] device_unregister+0x11/0x30 [ 37.587569][ T103] i2c_unregister_device+0x150/0x190 [ 37.592918][ T103] ? __unregister_dummy+0x60/0x60 [ 37.597971][ T103] __unregister_client+0x78/0x90 [ 37.602905][ T103] device_for_each_child+0xf9/0x170 [ 37.608110][ T103] ? kill_device+0x160/0x160 [ 37.612699][ T103] ? __radix_tree_lookup+0x1ed/0x260 [ 37.618058][ T103] i2c_del_adapter+0x2b2/0x550 [ 37.622828][ T103] ? del_timer_sync+0x11e/0x130 [ 37.627746][ T103] pvr2_i2c_core_done+0x69/0xb6 [ 37.633068][ T103] pvr2_hdw_destroy+0x179/0x370 [ 37.637935][ T103] pvr2_context_destroy+0x84/0x230 [ 37.643461][ T103] pvr2_context_thread_func+0x657/0x860 [ 37.649295][ T103] ? lock_acquire+0x127/0x320 [ 37.653999][ T103] ? pvr2_context_destroy+0x230/0x230 [ 37.659472][ T103] ? finish_wait+0x260/0x260 [ 37.664092][ T103] ? lockdep_hardirqs_on+0x379/0x580 [ 37.669469][ T103] ? __kthread_parkme+0x10a/0x1c0 [ 37.674608][ T103] ? pvr2_context_destroy+0x230/0x230 [ 37.679981][ T103] kthread+0x318/0x420 [ 37.684198][ T103] ? kthread_create_on_node+0xf0/0xf0 [ 37.688461][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 37.689573][ T103] ret_from_fork+0x24/0x30 [ 37.697688][ T103] Kernel Offset: disabled [ 37.706626][ T103] Rebooting in 86400 seconds..