[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.665142][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.506539][ T78] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.746515][ T78] usb 1-1: Using ep0 maxpacket: 8 [ 31.866594][ T78] usb 1-1: config 0 has an invalid interface number: 21 but max is 0 [ 31.875048][ T78] usb 1-1: config 0 has no interface number 0 [ 31.882758][ T78] usb 1-1: config 0 interface 21 has no altsetting 0 [ 31.889502][ T78] usb 1-1: New USB device found, idVendor=1164, idProduct=0602, bcdDevice=42.17 [ 31.898584][ T78] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.908267][ T78] usb 1-1: config 0 descriptor?? [ 31.948847][ T78] pvrusb2: Hardware description: Gotview USB 2.0 DVD Deluxe [ 31.956974][ T78] usb 1-1: selecting invalid altsetting 0 [ 31.963342][ T102] pvrusb2: Invalid write control endpoint [ 31.975553][ T102] pvrusb2: Invalid write control endpoint [ 31.981498][ T102] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 31.991349][ T102] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 31.998933][ T102] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 32.009341][ T102] pvrusb2: Device being rendered inoperable [ 32.015834][ T102] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 32.023454][ T102] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 32.032247][ T102] pvrusb2: Attached sub-driver cx25840 [ 32.042326][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 32.050781][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 32.058909][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 32.067014][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 32.075135][ T102] 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. [ 32.097252][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 32.105592][ T102] tda9887 0-0043: creating new instance [ 32.111627][ T102] tda9887 0-0043: tda988[5/6/7] found [ 32.117035][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 32.125223][ T102] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 32.132201][ T102] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 32.139304][ T102] pvrusb2: Attached sub-driver tuner executing program [ 32.144979][ T102] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 32.148279][ T78] usb 1-1: USB disconnect, device number 2 [ 32.159049][ 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. [ 32.185508][ T102] tda9887 0-0043: destroying instance [ 32.546502][ T78] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 32.786523][ T78] usb 1-1: Using ep0 maxpacket: 8 [ 32.906631][ T78] usb 1-1: config 0 has an invalid interface number: 21 but max is 0 [ 32.914776][ T78] usb 1-1: config 0 has no interface number 0 [ 32.921266][ T78] usb 1-1: config 0 interface 21 has no altsetting 0 [ 32.928044][ T78] usb 1-1: New USB device found, idVendor=1164, idProduct=0602, bcdDevice=42.17 [ 32.937234][ T78] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.946309][ T78] usb 1-1: config 0 descriptor?? [ 32.988404][ T78] pvrusb2: Hardware description: Gotview USB 2.0 DVD Deluxe [ 32.996082][ T78] usb 1-1: selecting invalid altsetting 0 [ 33.001967][ T102] pvrusb2: Invalid write control endpoint [ 33.013089][ T102] pvrusb2: Invalid write control endpoint [ 33.018933][ T102] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 33.028479][ T102] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 33.036008][ T102] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 33.046145][ T102] pvrusb2: Device being rendered inoperable [ 33.052362][ T102] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 33.060048][ T102] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 33.068301][ T102] pvrusb2: Attached sub-driver cx25840 [ 33.078416][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 33.086834][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 33.094916][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 33.103298][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 33.111333][ T102] 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. [ 33.132910][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 33.141141][ T102] tda9887 0-0043: creating new instance [ 33.146745][ T102] tda9887 0-0043: tda988[5/6/7] found [ 33.152259][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 33.160460][ T102] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 33.167450][ T102] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 33.175017][ T102] pvrusb2: Attached sub-driver tuner executing program [ 33.180482][ T102] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 33.188313][ T78] usb 1-1: USB disconnect, device number 3 [ 33.193991][ 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. [ 33.218427][ T102] tda9887 0-0043: destroying instance [ 33.576535][ T78] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 33.816518][ T78] usb 1-1: Using ep0 maxpacket: 8 [ 33.936649][ T78] usb 1-1: config 0 has an invalid interface number: 21 but max is 0 [ 33.944756][ T78] usb 1-1: config 0 has no interface number 0 [ 33.950999][ T78] usb 1-1: config 0 interface 21 has no altsetting 0 [ 33.957780][ T78] usb 1-1: New USB device found, idVendor=1164, idProduct=0602, bcdDevice=42.17 [ 33.966897][ T78] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.976139][ T78] usb 1-1: config 0 descriptor?? [ 34.018444][ T78] pvrusb2: Hardware description: Gotview USB 2.0 DVD Deluxe [ 34.026113][ T78] usb 1-1: selecting invalid altsetting 0 [ 34.032156][ T102] pvrusb2: Invalid write control endpoint [ 34.043768][ T102] pvrusb2: Invalid write control endpoint [ 34.049871][ T102] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 34.059202][ T102] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 34.066790][ T102] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 34.076929][ T102] pvrusb2: Device being rendered inoperable [ 34.083291][ T102] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 34.090924][ T102] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 34.099242][ T102] pvrusb2: Attached sub-driver cx25840 [ 34.110006][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 34.118061][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 34.126242][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 34.134438][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 34.142891][ T102] 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. [ 34.165845][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 34.174415][ T102] tda9887 0-0043: creating new instance [ 34.180119][ T102] tda9887 0-0043: tda988[5/6/7] found [ 34.187772][ T102] pvrusb2: Attempted to execute control transfer when device not ok [ 34.195945][ T102] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 34.202938][ T102] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 34.210099][ T102] pvrusb2: Attached sub-driver tuner executing program [ 34.215406][ T102] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 34.217892][ T78] usb 1-1: USB disconnect, device number 4 [ 34.228405][ 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. [ 34.255590][ T102] ------------[ cut here ]------------ [ 34.261375][ T102] sysfs group 'power' not found for kobject '0-0043' [ 34.268199][ T102] WARNING: CPU: 0 PID: 102 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 34.277397][ T102] Kernel panic - not syncing: panic_on_warn set ... [ 34.283985][ T102] CPU: 0 PID: 102 Comm: pvrusb2-context Not tainted 5.4.0-syzkaller #0 [ 34.292450][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.302826][ T102] Call Trace: [ 34.306697][ T102] dump_stack+0xef/0x16e [ 34.310929][ T102] ? sysfs_remove_group+0x140/0x1b0 [ 34.316162][ T102] panic+0x2aa/0x6e1 [ 34.320041][ T102] ? add_taint.cold+0x16/0x16 [ 34.324848][ T102] ? __probe_kernel_read+0x188/0x1d0 [ 34.330142][ T102] ? __warn.cold+0x14/0x30 [ 34.334696][ T102] ? __warn+0xd5/0x1c8 [ 34.338765][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 34.343961][ T102] __warn.cold+0x2f/0x30 [ 34.348195][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 34.353422][ T102] report_bug+0x27b/0x2f0 [ 34.357915][ T102] do_error_trap+0x12b/0x1e0 [ 34.362490][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 34.367688][ T102] do_invalid_op+0x32/0x40 [ 34.372199][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 34.377428][ T102] invalid_op+0x23/0x30 [ 34.381581][ T102] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 34.387367][ 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 [ 34.407174][ T102] RSP: 0018:ffff8881d537fb90 EFLAGS: 00010282 [ 34.413232][ T102] RAX: 0000000000000000 RBX: ffffffff85f34ac0 RCX: 0000000000000000 [ 34.421196][ T102] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103aa6ff64 [ 34.429165][ T102] RBP: 0000000000000000 R08: ffff8881d5370000 R09: ffffed103b686210 [ 34.437130][ T102] R10: ffffed103b68620f R11: ffff8881db43107f R12: ffff8881cfa8f020 [ 34.445335][ T102] R13: ffffffff85f35060 R14: 1ffff1103aa6ff98 R15: dffffc0000000000 [ 34.453322][ T102] ? vprintk_func+0x7d/0x113 [ 34.457920][ T102] ? __unregister_dummy+0x80/0x80 [ 34.462938][ T102] dpm_sysfs_remove+0x97/0xb0 [ 34.467619][ T102] device_del+0x18b/0xd30 [ 34.471940][ T102] ? kfree+0xdc/0x310 [ 34.475942][ T102] ? device_create_with_groups+0x120/0x120 [ 34.481770][ T102] ? kobject_put+0x202/0x2e0 [ 34.486370][ T102] ? __device_link_free_srcu+0x110/0x110 [ 34.491995][ T102] ? klist_children_put+0x41/0x50 [ 34.497251][ T102] ? __unregister_dummy+0x80/0x80 [ 34.502469][ T102] device_unregister+0x11/0x30 [ 34.507527][ T102] __unregister_client+0x8b/0xa0 [ 34.512748][ T102] device_for_each_child+0xf9/0x170 [ 34.518298][ T102] ? device_remove_class_symlinks+0x210/0x210 [ 34.524355][ T102] ? __radix_tree_lookup+0x1ed/0x260 [ 34.529645][ T102] i2c_del_adapter+0x2e2/0x590 [ 34.534419][ T102] ? del_timer_sync+0x115/0x130 [ 34.539252][ T102] pvr2_i2c_core_done+0x69/0xb6 [ 34.544085][ T102] pvr2_hdw_destroy+0x179/0x370 [ 34.549883][ T102] pvr2_context_destroy+0x84/0x230 [ 34.554979][ T102] pvr2_context_thread_func+0x657/0x860 [ 34.560598][ T102] ? lock_acquire+0x127/0x320 [ 34.565265][ T102] ? pvr2_context_destroy+0x230/0x230 [ 34.570625][ T102] ? finish_wait+0x260/0x260 [ 34.575210][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 34.580479][ T102] ? __kthread_parkme+0x10a/0x1c0 [ 34.585505][ T102] ? pvr2_context_destroy+0x230/0x230 [ 34.590859][ T102] kthread+0x318/0x420 [ 34.594912][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 34.600290][ T102] ret_from_fork+0x24/0x30 [ 34.605727][ T102] Kernel Offset: disabled [ 34.610135][ T102] Rebooting in 86400 seconds..