Warning: Permanently added '10.128.15.209' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.617034][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.856976][ T22] usb 1-1: Using ep0 maxpacket: 16 [ 24.977098][ T22] usb 1-1: config 252 has an invalid interface number: 80 but max is 0 [ 24.985587][ T22] usb 1-1: config 252 has no interface number 0 [ 25.147493][ T22] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice= e.01 [ 25.156566][ T22] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 25.164623][ T22] usb 1-1: Product: syz [ 25.168948][ T22] usb 1-1: Manufacturer: syz [ 25.173526][ T22] usb 1-1: SerialNumber: syz [ 25.228724][ T22] pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 executing program [ 25.447421][ T102] pvrusb2: Invalid write control endpoint [ 25.453965][ T22] usb 1-1: USB disconnect, device number 2 [ 25.461383][ T102] pvrusb2: Invalid write control endpoint [ 25.467261][ T102] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 25.476624][ T102] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 25.484463][ T102] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 25.494569][ T102] pvrusb2: Device being rendered inoperable [ 25.501012][ T102] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 25.508620][ T102] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 25.517481][ T102] pvrusb2: Attached sub-driver cx25840 [ 25.527101][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 25.535188][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 25.543231][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 25.551841][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 25.559893][ T102] 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. [ 25.580934][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 25.589155][ T102] tda9887 0-0043: creating new instance [ 25.594757][ T102] tda9887 0-0043: tda988[5/6/7] found [ 25.600166][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 25.608177][ T102] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 25.615112][ T102] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 25.622277][ T102] pvrusb2: Attached sub-driver tuner [ 25.627619][ T102] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 25.640457][ 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. [ 25.659335][ T102] tda9887 0-0043: destroying instance [ 26.016983][ T22] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 26.256985][ T22] usb 1-1: Using ep0 maxpacket: 16 [ 26.377067][ T22] usb 1-1: config 252 has an invalid interface number: 80 but max is 0 [ 26.385493][ T22] usb 1-1: config 252 has no interface number 0 [ 26.547566][ T22] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice= e.01 [ 26.556741][ T22] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 26.564770][ T22] usb 1-1: Product: syz [ 26.568956][ T22] usb 1-1: Manufacturer: syz [ 26.573531][ T22] usb 1-1: SerialNumber: syz [ 26.618363][ T22] pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 executing program [ 26.837078][ T102] pvrusb2: Invalid write control endpoint [ 26.838236][ T22] usb 1-1: USB disconnect, device number 3 [ 26.856006][ T102] pvrusb2: Invalid write control endpoint [ 26.861937][ T102] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 26.871543][ T102] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 26.879138][ T102] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 26.889141][ T102] pvrusb2: Device being rendered inoperable [ 26.895149][ T102] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 26.902507][ T102] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 26.910719][ T102] pvrusb2: Attached sub-driver cx25840 [ 26.920241][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 26.928298][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 26.936267][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 26.944362][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 26.952395][ T102] 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. [ 26.973215][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 26.981392][ T102] tda9887 0-0043: creating new instance [ 26.986972][ T102] tda9887 0-0043: tda988[5/6/7] found [ 26.992339][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 27.000372][ T102] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 27.007365][ T102] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 27.014375][ T102] pvrusb2: Attached sub-driver tuner [ 27.019739][ T102] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 27.032612][ 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. [ 27.050608][ T102] tda9887 0-0043: destroying instance [ 27.056484][ T102] ------------[ cut here ]------------ [ 27.062053][ T102] sysfs group 'power' not found for kobject 'i2c-0' [ 27.068775][ T102] WARNING: CPU: 0 PID: 102 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 27.077981][ T102] Kernel panic - not syncing: panic_on_warn set ... [ 27.084578][ T102] CPU: 0 PID: 102 Comm: pvrusb2-context Not tainted 5.4.0-syzkaller #0 [ 27.092934][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.102981][ T102] Call Trace: [ 27.106275][ T102] dump_stack+0xef/0x16e [ 27.110500][ T102] ? sysfs_remove_group+0x140/0x1b0 [ 27.115705][ T102] panic+0x2aa/0x6e1 [ 27.119578][ T102] ? add_taint.cold+0x16/0x16 [ 27.124263][ T102] ? __probe_kernel_read+0x188/0x1d0 [ 27.129554][ T102] ? __warn.cold+0x14/0x30 [ 27.133963][ T102] ? __warn+0xd5/0x1c8 [ 27.138021][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 27.143206][ T102] __warn.cold+0x2f/0x30 [ 27.147433][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 27.152624][ T102] report_bug+0x27b/0x2f0 [ 27.156934][ T102] do_error_trap+0x12b/0x1e0 [ 27.161505][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 27.166691][ T102] do_invalid_op+0x32/0x40 [ 27.171087][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 27.176277][ T102] invalid_op+0x23/0x30 [ 27.180412][ T102] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 27.186202][ 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 e0 ba d0 85 e8 73 1f 87 ff <0f> 0b eb 95 e8 22 d4 d9 ff e9 d2 fe ff ff 48 89 df e8 15 d4 d9 ff [ 27.205785][ T102] RSP: 0018:ffff8881d5337c40 EFLAGS: 00010282 [ 27.211830][ T102] RAX: 0000000000000000 RBX: ffffffff85f34ac0 RCX: 0000000000000000 [ 27.219960][ T102] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103aa66f7a [ 27.227920][ T102] RBP: 0000000000000000 R08: ffff8881d5ba1880 R09: ffffed103b686210 [ 27.235887][ T102] R10: ffffed103b68620f R11: ffff8881db43107f R12: ffff8881cf84c338 [ 27.243849][ T102] R13: ffffffff85f35060 R14: ffff8881cf84c920 R15: ffff8881d5ba1880 [ 27.251824][ T102] ? vprintk_func+0x7d/0x113 [ 27.256404][ T102] dpm_sysfs_remove+0x97/0xb0 [ 27.261059][ T102] device_del+0x18b/0xd30 [ 27.265389][ T102] ? __pm_runtime_disable+0x148/0x3d0 [ 27.270749][ T102] ? device_create_with_groups+0x120/0x120 [ 27.276559][ T102] ? pm_runtime_barrier+0x260/0x260 [ 27.281748][ T102] ? lockdep_init_map+0x1b0/0x5e0 [ 27.287449][ T102] ? lockdep_init_map+0x1b0/0x5e0 [ 27.292454][ T102] device_unregister+0x11/0x30 [ 27.297204][ T102] i2c_del_adapter+0x42b/0x590 [ 27.301966][ T102] ? del_timer_sync+0x115/0x130 [ 27.306801][ T102] pvr2_i2c_core_done+0x69/0xb6 [ 27.311648][ T102] pvr2_hdw_destroy+0x179/0x370 [ 27.316487][ T102] pvr2_context_destroy+0x84/0x230 [ 27.321585][ T102] pvr2_context_thread_func+0x657/0x860 [ 27.327110][ T102] ? lock_acquire+0x127/0x320 [ 27.331771][ T102] ? pvr2_context_destroy+0x230/0x230 [ 27.337131][ T102] ? finish_wait+0x260/0x260 [ 27.341703][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 27.347042][ T102] ? __kthread_parkme+0x10a/0x1c0 [ 27.352054][ T102] ? pvr2_context_destroy+0x230/0x230 [ 27.357538][ T102] kthread+0x318/0x420 [ 27.361609][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 27.366968][ T102] ret_from_fork+0x24/0x30 [ 27.372145][ T102] Kernel Offset: disabled [ 27.376514][ T102] Rebooting in 86400 seconds..