[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.979232][ T1698] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 16.688170][ T1731] random: sshd: uninitialized urandom read (32 bytes read) [ 16.703268][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.314640][ T1764] can: request_module (can-proto-0) failed. [ 27.326356][ T1764] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.214' (ECDSA) to the list of known hosts. 2019/08/15 16:27:55 parsed 1 programs 2019/08/15 16:27:55 executed programs: 0 [ 35.149034][ T1885] cgroup1: Unknown subsys name 'perf_event' [ 35.150529][ T1888] cgroup1: Unknown subsys name 'perf_event' [ 35.155613][ T1885] cgroup1: Unknown subsys name 'net_cls' [ 35.161553][ T1888] cgroup1: Unknown subsys name 'net_cls' [ 35.171843][ T1890] cgroup1: Unknown subsys name 'perf_event' [ 35.184770][ T1890] cgroup1: Unknown subsys name 'net_cls' [ 35.189602][ T1893] cgroup1: Unknown subsys name 'perf_event' [ 35.191792][ T1896] cgroup1: Unknown subsys name 'perf_event' [ 35.205200][ T1896] cgroup1: Unknown subsys name 'net_cls' [ 35.205673][ T1893] cgroup1: Unknown subsys name 'net_cls' [ 35.233883][ T1903] cgroup1: Unknown subsys name 'perf_event' [ 35.277555][ T1903] cgroup1: Unknown subsys name 'net_cls' [ 38.538078][ T22] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 38.578098][ T2188] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 38.618095][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 38.648073][ T2878] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 38.658249][ T2886] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 38.698076][ T107] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 38.778043][ T22] usb 4-1: Using ep0 maxpacket: 8 [ 38.818058][ T2188] usb 1-1: Using ep0 maxpacket: 8 [ 38.858277][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 38.888071][ T2878] usb 3-1: Using ep0 maxpacket: 8 [ 38.898166][ T2886] usb 5-1: Using ep0 maxpacket: 8 [ 38.908281][ T22] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 38.919276][ T22] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 38.932125][ T22] usb 4-1: New USB device found, idVendor=046d, idProduct=c29c, bcdDevice= 0.00 [ 38.938364][ T2188] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 38.941183][ T22] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.952316][ T2188] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 38.965979][ T22] usb 4-1: config 0 descriptor?? [ 38.972870][ T2188] usb 1-1: New USB device found, idVendor=046d, idProduct=c29c, bcdDevice= 0.00 [ 38.972884][ T2188] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.974335][ T2188] usb 1-1: config 0 descriptor?? [ 38.998404][ T107] usb 6-1: Using ep0 maxpacket: 8 [ 39.008137][ T5] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 39.019181][ T5] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 39.032006][ T5] usb 2-1: New USB device found, idVendor=046d, idProduct=c29c, bcdDevice= 0.00 [ 39.041159][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.049324][ T2878] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 39.060233][ T2878] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 39.073087][ T2878] usb 3-1: New USB device found, idVendor=046d, idProduct=c29c, bcdDevice= 0.00 [ 39.082127][ T2878] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.090268][ T2886] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 39.101162][ T2886] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 39.113977][ T2886] usb 5-1: New USB device found, idVendor=046d, idProduct=c29c, bcdDevice= 0.00 [ 39.123017][ T2886] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.128146][ T107] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 39.135408][ T2878] usb 3-1: config 0 descriptor?? [ 39.141943][ T107] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 39.141974][ T107] usb 6-1: New USB device found, idVendor=046d, idProduct=c29c, bcdDevice= 0.00 [ 39.147245][ T2886] usb 5-1: config 0 descriptor?? [ 39.159671][ T107] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.177930][ T107] usb 6-1: config 0 descriptor?? [ 39.185099][ T5] usb 2-1: config 0 descriptor?? [ 39.430266][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.437504][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.444691][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.451865][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.459105][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.466229][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.473390][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.479473][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.480729][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.487789][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.494938][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.494955][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.502091][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.509226][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.516319][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.523472][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.530644][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.537702][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.544809][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.551945][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.559072][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.559091][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.559109][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.559127][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.559145][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.566248][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.573403][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.580508][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.587603][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.594742][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.601864][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.608985][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.609002][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.609020][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.609037][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.609057][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.616158][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.623278][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.630443][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.637603][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.644727][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.651854][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.651873][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.651890][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.659016][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.666122][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.673270][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.680372][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.680390][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.687478][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.694618][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.701729][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.708855][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.715950][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.723090][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.730237][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.737309][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.744431][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744448][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744465][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744484][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744502][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744520][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744538][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744555][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744573][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744591][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744608][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744626][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744644][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.744662][ T2188] logitech 0003:046D:C29C.0002: unknown main item tag 0x0 [ 39.750520][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.751989][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.759063][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.759081][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.759099][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.759117][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.766230][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.773337][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.780462][ T22] logitech 0003:046D:C29C.0001: unknown main item tag 0x0 [ 39.787556][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.800394][ T22] logitech 0003:046D:C29C.0001: In hid_hw_start for 000000009f95be58 [ 39.801980][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.808987][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #1 [ 39.816082][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.826364][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.826384][ T22] Workqueue: usb_hub_wq hub_event [ 39.826402][ T22] Call Trace: [ 39.826427][ T22] dump_stack+0xca/0x13e [ 39.833557][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.840604][ T22] hid_hw_start+0x34/0x128 [ 39.840617][ T22] lg_probe+0x2a4/0x860 [ 39.840634][ T22] ? mutex_trylock+0x1a0/0x1a0 [ 39.847733][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.854808][ T22] ? lg_remove+0xa0/0xa0 [ 39.854820][ T22] ? __mutex_unlock_slowpath+0xea/0x670 [ 39.854832][ T22] ? lock_downgrade+0x630/0x630 [ 39.854845][ T22] ? rwlock_bug.part.0+0x90/0x90 [ 39.854861][ T22] ? wait_for_completion+0x3c0/0x3c0 [ 39.861979][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.869521][ T22] ? hid_match_one_id+0x9d/0x2c0 [ 39.869532][ T22] ? lg_remove+0xa0/0xa0 [ 39.869542][ T22] hid_device_probe+0x299/0x3b0 [ 39.869562][ T22] ? hid_match_device+0x1f0/0x1f0 [ 39.876760][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.883838][ T22] really_probe+0x281/0x660 [ 39.883852][ T22] driver_probe_device+0x104/0x210 [ 39.883862][ T22] __device_attach_driver+0x1c2/0x220 [ 39.883873][ T22] ? driver_allows_async_probing+0x160/0x160 [ 39.883883][ T22] bus_for_each_drv+0x15c/0x1e0 [ 39.883899][ T22] ? bus_rescan_devices+0x20/0x20 [ 39.891031][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.898090][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.898104][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 39.898121][ T22] __device_attach+0x217/0x360 [ 39.905220][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.912307][ T22] ? device_bind_driver+0xd0/0xd0 [ 39.912320][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 39.912331][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 39.912341][ T22] bus_probe_device+0x1e4/0x290 [ 39.912361][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.919538][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.926581][ T22] device_add+0xae6/0x16f0 [ 39.933707][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.940753][ T22] ? uevent_store+0x50/0x50 [ 39.940766][ T22] ? __debugfs_create_file+0x2db/0x3d0 [ 39.940777][ T22] hid_add_device+0x33c/0x9a0 [ 39.940788][ T22] ? __hid_bus_reprobe_drivers+0x100/0x100 [ 39.940806][ T22] ? lockdep_init_map+0x1b0/0x5e0 [ 39.947901][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.954981][ T22] usbhid_probe+0xa81/0xfa0 [ 39.954997][ T22] usb_probe_interface+0x305/0x7a0 [ 39.955009][ T22] ? usb_probe_device+0x100/0x100 [ 39.955027][ T22] really_probe+0x281/0x660 [ 39.962166][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.969225][ T22] driver_probe_device+0x104/0x210 [ 39.969237][ T22] __device_attach_driver+0x1c2/0x220 [ 39.969249][ T22] ? driver_allows_async_probing+0x160/0x160 [ 39.969266][ T22] bus_for_each_drv+0x15c/0x1e0 [ 39.976390][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.983495][ T22] ? bus_rescan_devices+0x20/0x20 [ 39.983509][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.983520][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 39.983530][ T22] __device_attach+0x217/0x360 [ 39.983540][ T22] ? device_bind_driver+0xd0/0xd0 [ 39.983550][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 39.983560][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 39.983589][ T22] bus_probe_device+0x1e4/0x290 [ 39.983602][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.983614][ T22] device_add+0xae6/0x16f0 [ 39.983625][ T22] ? uevent_store+0x50/0x50 [ 39.983639][ T22] usb_set_configuration+0xdf6/0x1670 [ 39.983652][ T22] generic_probe+0x9d/0xd5 [ 39.983664][ T22] usb_probe_device+0x99/0x100 [ 39.983674][ T22] ? usb_suspend+0x620/0x620 [ 39.983690][ T22] really_probe+0x281/0x660 [ 39.983701][ T22] driver_probe_device+0x104/0x210 [ 39.983711][ T22] __device_attach_driver+0x1c2/0x220 [ 39.983722][ T22] ? driver_allows_async_probing+0x160/0x160 [ 39.983731][ T22] bus_for_each_drv+0x15c/0x1e0 [ 39.983741][ T22] ? bus_rescan_devices+0x20/0x20 [ 39.983752][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.983764][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 39.983775][ T22] __device_attach+0x217/0x360 [ 39.983785][ T22] ? device_bind_driver+0xd0/0xd0 [ 39.983795][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 39.983813][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 39.991013][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 39.999552][ T22] bus_probe_device+0x1e4/0x290 [ 39.999569][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.999581][ T22] device_add+0xae6/0x16f0 [ 39.999593][ T22] ? uevent_store+0x50/0x50 [ 39.999614][ T22] usb_new_device.cold+0x6a4/0xe61 [ 40.006840][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.014118][ T22] hub_event+0x1abd/0x3550 [ 40.014133][ T22] ? hub_port_debounce+0x260/0x260 [ 40.014147][ T22] process_one_work+0x905/0x1570 [ 40.014159][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.014172][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 40.014191][ T22] worker_thread+0x96/0xe20 [ 40.022350][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.029378][ T22] ? process_one_work+0x1570/0x1570 [ 40.029389][ T22] kthread+0x30b/0x410 [ 40.029399][ T22] ? kthread_park+0x1a0/0x1a0 [ 40.029411][ T22] ret_from_fork+0x24/0x30 [ 40.033667][ T22] logitech 0003:046D:C29C.0001: hidraw0: USB HID v0.00 Device [HID 046d:c29c] on usb-dummy_hcd.3-1/input0 [ 40.036813][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.036834][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.036856][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.059378][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.062511][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.066740][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.073932][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.073952][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.073974][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.078418][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.082551][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.087303][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.094497][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.098795][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.104263][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.109186][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.114088][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.119399][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.126496][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.131474][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.135699][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.140605][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.145591][ T5] logitech 0003:046D:C29C.0003: unknown main item tag 0x0 [ 40.152746][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.159248][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.162354][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.167675][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.173726][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.178551][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.183551][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.190682][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.196480][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.201821][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.206553][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.213664][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.218695][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.223951][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.229245][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.234077][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.234096][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.234120][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.240036][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.247157][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.251588][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.258737][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.263224][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.268697][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.273354][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.279165][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.284186][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.291296][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.296308][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.301671][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.301688][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.301706][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.301727][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.306749][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.311265][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.318385][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.323476][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.328852][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.328870][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.334827][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.339681][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.346766][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.351796][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.357757][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.363226][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.368015][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.373044][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.378277][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.383540][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.388406][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.394288][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.398754][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.403257][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.408643][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.413040][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.417780][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.422386][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.426871][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.432012][ T107] logitech 0003:046D:C29C.0004: unknown main item tag 0x0 [ 40.437365][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.458274][ T22] logitech 0003:046D:C29C.0001: not enough fields in HID_OUTPUT_REPORT 0 [ 40.459308][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.459326][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.464840][ T22] logitech: probe of 0003:046D:C29C.0001 failed with error -1 [ 40.469396][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.469415][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.469434][ T2886] logitech 0003:046D:C29C.0006: unknown main item tag 0x0 [ 40.470583][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.488815][ T22] usb 4-1: USB disconnect, device number 2 [ 40.492596][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.492616][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.492633][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.515719][ T22] ------------[ cut here ]------------ [ 40.517449][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.524526][ T22] ODEBUG: free active (active state 0) object type: timer_list hint: hid_retry_timeout+0x0/0xd0 [ 40.524671][ T22] WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 [ 40.528985][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.534134][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 40.539090][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.544397][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #1 [ 40.549421][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.553873][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.560982][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.566176][ T22] Workqueue: usb_hub_wq hub_event [ 40.570275][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.574893][ T22] Call Trace: [ 40.579315][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.590582][ T22] dump_stack+0xca/0x13e [ 40.590604][ T22] ? debug_print_object+0xe0/0x250 [ 40.597706][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.604784][ T22] panic+0x292/0x6c9 [ 40.604796][ T22] ? __warn_printk+0xf3/0xf3 [ 40.604814][ T22] ? debug_print_object+0x160/0x250 [ 40.611926][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.618984][ T22] ? __probe_kernel_read+0x16c/0x1b0 [ 40.619000][ T22] ? __warn.cold+0x5/0x4b [ 40.626090][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.633167][ T22] ? __warn+0xe4/0x1c0 [ 40.633179][ T22] ? debug_print_object+0x160/0x250 [ 40.633188][ T22] __warn.cold+0x20/0x4b [ 40.633204][ T22] ? debug_print_object+0x160/0x250 [ 40.640432][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.647496][ T22] report_bug+0x262/0x2a0 [ 40.654605][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.661668][ T22] do_error_trap+0x12b/0x1e0 [ 40.661682][ T22] ? debug_print_object+0x160/0x250 [ 40.661714][ T22] do_invalid_op+0x32/0x40 [ 40.668840][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.675880][ T22] ? debug_print_object+0x160/0x250 [ 40.682995][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.690043][ T22] invalid_op+0x14/0x20 [ 40.690063][ T22] RIP: 0010:debug_print_object+0x160/0x250 [ 40.697183][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.704256][ T22] Code: dd a0 16 ba 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 16 ba 85 48 c7 c7 80 0c ba 85 e8 db c7 33 ff <0f> 0b 83 05 83 6e 86 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 40.704262][ T22] RSP: 0018:ffff8881d9f8f710 EFLAGS: 00010086 [ 40.704271][ T22] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 40.704277][ T22] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3f1ed4 [ 40.704290][ T22] RBP: 0000000000000001 R08: ffff8881d9f80000 R09: ffffed103b663ed7 [ 40.711404][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.718457][ T22] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffffffff86b04760 [ 40.718464][ T22] R13: ffffffff812db3c0 R14: ffffffff88f07d68 R15: ffff8881d56da8c8 [ 40.718484][ T22] ? calc_wheel_index+0x220/0x220 [ 40.718503][ T22] ? vprintk_func+0x7d/0x113 [ 40.725597][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.732678][ T22] debug_check_no_obj_freed+0x2a3/0x42e [ 40.732696][ T22] __free_pages_ok+0x215/0x1bb0 [ 40.732716][ T22] ? usbhid_disconnect+0x98/0xd0 [ 40.739844][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.746907][ T22] ? rcu_read_lock_sched_held+0x113/0x130 [ 40.754237][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.761436][ T22] usbhid_disconnect+0x98/0xd0 [ 40.761452][ T22] usb_unbind_interface+0x1bd/0x8a0 [ 40.761471][ T22] ? usb_autoresume_device+0x60/0x60 [ 40.768610][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.775670][ T22] device_release_driver_internal+0x404/0x4c0 [ 40.782794][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.789934][ T22] bus_remove_device+0x2dc/0x4a0 [ 40.789951][ T22] device_del+0x460/0xb80 [ 40.797056][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.804135][ T22] ? __device_links_no_driver+0x240/0x240 [ 40.804148][ T22] ? usb_remove_ep_devs+0x3e/0x80 [ 40.804156][ T22] ? remove_intf_ep_devs+0x13f/0x1d0 [ 40.804164][ T22] usb_disable_device+0x211/0x690 [ 40.804177][ T22] usb_disconnect+0x284/0x830 [ 40.804200][ T22] hub_event+0x13bd/0x3550 [ 40.811331][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.818392][ T22] ? hub_port_debounce+0x260/0x260 [ 40.818413][ T22] process_one_work+0x905/0x1570 [ 40.825511][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.832612][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.832625][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 40.832641][ T22] worker_thread+0x7ab/0xe20 [ 40.839937][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.846997][ T22] ? process_one_work+0x1570/0x1570 [ 40.854140][ T2878] logitech 0003:046D:C29C.0005: unknown main item tag 0x0 [ 40.861196][ T22] kthread+0x30b/0x410 [ 40.861208][ T22] ? kthread_park+0x1a0/0x1a0 [ 40.861219][ T22] ret_from_fork+0x24/0x30 [ 40.861231][ T22] [ 40.861259][ T22] ====================================================== [ 40.861264][ T22] WARNING: possible circular locking dependency detected [ 40.861267][ T22] 5.2.0-rc6+ #1 Not tainted [ 40.861272][ T22] ------------------------------------------------------ [ 40.861276][ T22] kworker/1:1/22 is trying to acquire lock: [ 40.861279][ T22] 0000000084c0c161 ((console_sem).lock){-.-.}, at: down_trylock+0xe/0x60 [ 40.861291][ T22] [ 40.861295][ T22] but task is already holding lock: [ 40.861297][ T22] 000000008db31383 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 40.861310][ T22] [ 40.861314][ T22] which lock already depends on the new lock. [ 40.861316][ T22] [ 40.861318][ T22] [ 40.861322][ T22] the existing dependency chain (in reverse order) is: [ 40.861324][ T22] [ 40.861326][ T22] -> #3 (&obj_hash[i].lock){-.-.}: [ 40.861338][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 40.861342][ T22] __debug_object_init+0xb7/0xac0 [ 40.861345][ T22] hrtimer_init+0x27/0x260 [ 40.861349][ T22] init_dl_task_timer+0x17/0x50 [ 40.861352][ T22] __sched_fork.isra.0+0x207/0x460 [ 40.861355][ T22] init_idle+0x6c/0x760 [ 40.861359][ T22] sched_init+0x91f/0x9bc [ 40.861362][ T22] start_kernel+0x347/0x81a [ 40.861365][ T22] secondary_startup_64+0xa4/0xb0 [ 40.861367][ T22] [ 40.861369][ T22] -> #2 (&rq->lock){-.-.}: [ 40.861380][ T22] _raw_spin_lock+0x27/0x40 [ 40.861383][ T22] task_fork_fair+0x37/0x550 [ 40.861387][ T22] sched_fork+0x3a4/0x8d0 [ 40.861390][ T22] copy_process.part.0+0x16c1/0x63a0 [ 40.861393][ T22] _do_fork+0x233/0xec0 [ 40.861397][ T22] kernel_thread+0x2f/0x40 [ 40.861400][ T22] rest_init+0x23/0x371 [ 40.861403][ T22] start_kernel+0x7e0/0x81a [ 40.861407][ T22] secondary_startup_64+0xa4/0xb0 [ 40.861408][ T22] [ 40.861411][ T22] -> #1 (&p->pi_lock){-.-.}: [ 40.861423][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 40.861426][ T22] try_to_wake_up+0x80/0x1410 [ 40.861429][ T22] up+0x92/0xe0 [ 40.861432][ T22] __up_console_sem+0x42/0x80 [ 40.861436][ T22] console_unlock+0x5ab/0xbf0 [ 40.861439][ T22] vprintk_emit+0x171/0x3e0 [ 40.861442][ T22] vprintk_func+0x75/0x113 [ 40.861445][ T22] printk+0xba/0xed [ 40.861448][ T22] do_exit.cold+0x148/0x230 [ 40.861452][ T22] do_group_exit+0x125/0x350 [ 40.861455][ T22] __x64_sys_exit_group+0x3a/0x50 [ 40.861458][ T22] do_syscall_64+0xb7/0x560 [ 40.861462][ T22] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.861464][ T22] [ 40.861466][ T22] -> #0 ((console_sem).lock){-.-.}: [ 40.861478][ T22] lock_acquire+0x100/0x2b0 [ 40.861482][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 40.861485][ T22] down_trylock+0xe/0x60 [ 40.861489][ T22] __down_trylock_console_sem+0x31/0xc0 [ 40.861492][ T22] console_trylock+0x12/0x90 [ 40.861495][ T22] vprintk_emit+0x158/0x3e0 [ 40.861499][ T22] vprintk_func+0x75/0x113 [ 40.861501][ T22] printk+0xba/0xed [ 40.861505][ T22] __warn_printk+0x9b/0xf3 [ 40.861508][ T22] debug_print_object+0x160/0x250 [ 40.861512][ T22] debug_check_no_obj_freed+0x2a3/0x42e [ 40.861516][ T22] __free_pages_ok+0x215/0x1bb0 [ 40.861519][ T22] usbhid_disconnect+0x98/0xd0 [ 40.861523][ T22] usb_unbind_interface+0x1bd/0x8a0 [ 40.861527][ T22] device_release_driver_internal+0x404/0x4c0 [ 40.861530][ T22] bus_remove_device+0x2dc/0x4a0 [ 40.861533][ T22] device_del+0x460/0xb80 [ 40.861537][ T22] usb_disable_device+0x211/0x690 [ 40.861540][ T22] usb_disconnect+0x284/0x830 [ 40.861544][ T22] hub_event+0x13bd/0x3550 [ 40.861547][ T22] process_one_work+0x905/0x1570 [ 40.861550][ T22] worker_thread+0x7ab/0xe20 [ 40.861554][ T22] kthread+0x30b/0x410 [ 40.861557][ T22] ret_from_fork+0x24/0x30 [ 40.861559][ T22] [ 40.861566][ T22] other info that might help us debug this: [ 40.861568][ T22] [ 40.861570][ T22] Chain exists of: [ 40.861572][ T22] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 40.861587][ T22] [ 40.861591][ T22] Possible unsafe locking scenario: [ 40.861593][ T22] [ 40.861596][ T22] CPU0 CPU1 [ 40.861600][ T22] ---- ---- [ 40.861602][ T22] lock(&obj_hash[i].lock); [ 40.861610][ T22] lock(&rq->lock); [ 40.861617][ T22] lock(&obj_hash[i].lock); [ 40.861624][ T22] lock((console_sem).lock); [ 40.861631][ T22] [ 40.861633][ T22] *** DEADLOCK *** [ 40.861635][ T22] [ 40.861638][ T22] 6 locks held by kworker/1:1/22: [ 40.861640][ T22] #0: 00000000f03201f4 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x81a/0x1570 [ 40.861655][ T22] #1: 00000000a72f041c ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x84e/0x1570 [ 40.861670][ T22] #2: 00000000dc004c54 (&dev->mutex){....}, at: hub_event+0x179/0x3550 [ 40.861690][ T22] #3: 000000002cc67683 (&dev->mutex){....}, at: usb_disconnect+0x91/0x830 [ 40.861704][ T22] #4: 00000000c7baf08f (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x4c0 [ 40.861718][ T22] #5: 000000008db31383 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 40.861733][ T22] [ 40.861735][ T22] stack backtrace: [ 40.861740][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #1 [ 40.861746][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.861749][ T22] Workqueue: usb_hub_wq hub_event [ 40.861753][ T22] Call Trace: [ 40.861756][ T22] dump_stack+0xca/0x13e [ 40.861760][ T22] print_circular_bug.cold+0x1c4/0x282 [ 40.861763][ T22] __lock_acquire+0x3654/0x5340 [ 40.861768][ T22] ? add_lock_to_list.isra.0+0x17f/0x2d0 [ 40.861771][ T22] ? mark_held_locks+0xe0/0xe0 [ 40.861774][ T22] ? enable_ptr_key_workfn+0x30/0x30 [ 40.861777][ T22] ? memcpy+0x35/0x50 [ 40.861780][ T22] ? kvm_sched_clock_read+0x14/0x30 [ 40.861783][ T22] ? sched_clock+0x5/0x10 [ 40.861786][ T22] lock_acquire+0x100/0x2b0 [ 40.861789][ T22] ? down_trylock+0xe/0x60 [ 40.861792][ T22] ? vprintk_emit+0x158/0x3e0 [ 40.861796][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 40.861799][ T22] ? down_trylock+0xe/0x60 [ 40.861802][ T22] down_trylock+0xe/0x60 [ 40.861805][ T22] ? vprintk_emit+0x158/0x3e0 [ 40.861808][ T22] ? vprintk_emit+0x158/0x3e0 [ 40.861812][ T22] __down_trylock_console_sem+0x31/0xc0 [ 40.861815][ T22] console_trylock+0x12/0x90 [ 40.861818][ T22] vprintk_emit+0x158/0x3e0 [ 40.861821][ T22] ? calc_wheel_index+0x220/0x220 [ 40.861824][ T22] vprintk_func+0x75/0x113 [ 40.861827][ T22] printk+0xba/0xed [ 40.861830][ T22] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 40.861834][ T22] ? mark_held_locks+0xe0/0xe0 [ 40.861837][ T22] ? __warn_printk+0x8f/0xf3 [ 40.861840][ T22] ? usbhid_open+0x340/0x340 [ 40.861843][ T22] __warn_printk+0x9b/0xf3 [ 40.861846][ T22] ? add_taint.cold+0x16/0x16 [ 40.861849][ T22] ? debug_check_no_obj_freed+0x20a/0x42e [ 40.861853][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 40.861856][ T22] ? lock_acquire+0x100/0x2b0 [ 40.861859][ T22] ? usbhid_open+0x340/0x340 [ 40.861862][ T22] debug_print_object+0x160/0x250 [ 40.861866][ T22] debug_check_no_obj_freed+0x2a3/0x42e [ 40.861869][ T22] __free_pages_ok+0x215/0x1bb0 [ 40.861872][ T22] ? usbhid_disconnect+0x98/0xd0 [ 40.861876][ T22] ? rcu_read_lock_sched_held+0x113/0x130 [ 40.861879][ T22] usbhid_disconnect+0x98/0xd0 [ 40.861883][ T22] usb_unbind_interface+0x1bd/0x8a0 [ 40.861886][ T22] ? usb_autoresume_device+0x60/0x60 [ 40.861890][ T22] device_release_driver_internal+0x404/0x4c0 [ 40.861893][ T22] bus_remove_device+0x2dc/0x4a0 [ 40.861896][ T22] device_del+0x460/0xb80 [ 40.861899][ T22] ? __device_links_no_driver+0x240/0x240 [ 40.861903][ T22] ? usb_remove_ep_devs+0x3e/0x80 [ 40.861906][ T22] ? remove_intf_ep_devs+0x13f/0x1d0 [ 40.861913][ T22] usb_disable_device+0x211/0x690 [ 40.861917][ T22] usb_disconnect+0x284/0x830 [ 40.861920][ T22] hub_event+0x13bd/0x3550 [ 40.861923][ T22] ? hub_port_debounce+0x260/0x260 [ 40.861926][ T22] process_one_work+0x905/0x1570 [ 40.861930][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.861933][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 40.861936][ T22] worker_thread+0x7ab/0xe20 [ 40.861939][ T22] ? process_one_work+0x1570/0x1570 [ 40.861942][ T22] kthread+0x30b/0x410 [ 40.861945][ T22] ? kthread_park+0x1a0/0x1a0 [ 40.861948][ T22] ret_from_fork+0x24/0x30 [ 40.868693][ T22] Kernel Offset: disabled [ 42.641472][ T22] Rebooting in 86400 seconds..