[ 12.395018][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 24.151462][ T366] can: request_module (can-proto-0) failed. [ 24.161893][ T366] can: request_module (can-proto-0) failed. [ 24.171788][ T366] can: request_module (can-proto-7) failed. [ 24.182355][ T366] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.143' (ECDSA) to the list of known hosts. 2020/08/24 18:41:02 parsed 1 programs 2020/08/24 18:41:02 executed programs: 0 [ 31.365537][ T508] cgroup: Unknown subsys name 'perf_event' [ 31.367354][ T507] cgroup: Unknown subsys name 'perf_event' [ 31.372013][ T508] cgroup: Unknown subsys name 'net_cls' [ 31.385517][ T510] cgroup: Unknown subsys name 'perf_event' [ 31.386473][ T512] cgroup: Unknown subsys name 'perf_event' [ 31.391555][ T510] cgroup: Unknown subsys name 'net_cls' [ 31.402614][ T507] cgroup: Unknown subsys name 'net_cls' [ 31.407543][ T513] cgroup: Unknown subsys name 'perf_event' [ 31.410021][ T512] cgroup: Unknown subsys name 'net_cls' [ 31.415567][ T514] cgroup: Unknown subsys name 'perf_event' [ 31.428506][ T513] cgroup: Unknown subsys name 'net_cls' [ 31.440490][ T514] cgroup: Unknown subsys name 'net_cls' [ 39.140605][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 39.200415][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 39.260417][ T73] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 39.300406][ T133] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 39.330386][ T3195] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 39.350459][ T3214] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 39.720532][ T12] usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 39.729727][ T12] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.737760][ T12] usb 6-1: Product: syz [ 39.742017][ T12] usb 6-1: Manufacturer: syz [ 39.746615][ T12] usb 6-1: SerialNumber: syz [ 39.760461][ T21] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 39.769520][ T21] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.777713][ T21] usb 1-1: Product: syz [ 39.782170][ T21] usb 1-1: Manufacturer: syz [ 39.787541][ T21] usb 1-1: SerialNumber: syz [ 39.791685][ T12] usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 39.830376][ T133] usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 39.839758][ T133] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.847903][ T133] usb 3-1: Product: syz [ 39.851447][ T21] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 39.852237][ T133] usb 3-1: Manufacturer: syz [ 39.864898][ T133] usb 3-1: SerialNumber: syz [ 39.880502][ T73] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 39.889615][ T73] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.897780][ T73] usb 5-1: Product: syz [ 39.902011][ T73] usb 5-1: Manufacturer: syz [ 39.906619][ T73] usb 5-1: SerialNumber: syz [ 39.911035][ T133] usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 39.951106][ T73] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 39.970457][ T3195] usb 4-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 39.979560][ T3195] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.988121][ T3195] usb 4-1: Product: syz [ 39.993228][ T3195] usb 4-1: Manufacturer: syz [ 39.997901][ T3195] usb 4-1: SerialNumber: syz [ 40.002874][ T3214] usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 40.012482][ T3214] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 40.020729][ T3214] usb 2-1: Product: syz [ 40.024903][ T3214] usb 2-1: Manufacturer: syz [ 40.029479][ T3214] usb 2-1: SerialNumber: syz [ 40.071196][ T3214] usb 2-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 40.090999][ T3195] usb 4-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 40.430184][ T12] usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 40.480133][ T133] usb 3-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 40.630211][ T21] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 40.630501][ T3179] udc-core: couldn't find an available UDC or it's busy [ 40.646320][ T3179] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 40.680467][ T3207] udc-core: couldn't find an available UDC or it's busy [ 40.687434][ T3207] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 40.730381][ T73] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 40.830554][ T3157] udc-core: couldn't find an available UDC or it's busy [ 40.837509][ T3157] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 40.845461][ T3214] usb 2-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 40.870153][ T3195] usb 4-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 40.930602][ T3192] udc-core: couldn't find an available UDC or it's busy [ 40.937685][ T3192] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 41.049019][ T3219] udc-core: couldn't find an available UDC or it's busy [ 41.056208][ T3219] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 41.070375][ T3212] udc-core: couldn't find an available UDC or it's busy [ 41.077488][ T3212] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 41.459816][ T12] ath9k_htc 6-1:1.0: ath9k_htc: Target is unresponsive [ 41.467020][ T12] ath9k_htc: Failed to initialize the device [ 41.539859][ T133] ath9k_htc 3-1:1.0: ath9k_htc: Target is unresponsive [ 41.546947][ T133] ath9k_htc: Failed to initialize the device [ 41.656625][ T3222] usb 6-1: USB disconnect, device number 2 [ 41.672585][ T3222] usb 6-1: ath9k_htc: USB layer deinitialized [ 41.698379][ T3235] usb 3-1: USB disconnect, device number 2 [ 41.704557][ T21] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 41.716143][ T3235] usb 3-1: ath9k_htc: USB layer deinitialized [ 41.723671][ T21] ath9k_htc: Failed to initialize the device [ 41.779976][ T73] ath9k_htc 5-1:1.0: ath9k_htc: Target is unresponsive [ 41.786997][ T73] ath9k_htc: Failed to initialize the device [ 41.851153][ T3239] usb 1-1: USB disconnect, device number 2 [ 41.861296][ T3214] ath9k_htc 2-1:1.0: ath9k_htc: Target is unresponsive [ 41.868261][ T3214] ath9k_htc: Failed to initialize the device [ 41.876393][ C1] ================================================================== [ 41.876434][ C1] BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876441][ C1] Read of size 4 at addr ffff8881c033c098 by task kworker/1:4/3214 [ 41.876443][ C1] [ 41.876453][ C1] CPU: 1 PID: 3214 Comm: kworker/1:4 Not tainted 5.9.0-rc2-syzkaller #0 [ 41.876457][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.876470][ C1] Workqueue: events request_firmware_work_func [ 41.876475][ C1] Call Trace: [ 41.876478][ C1] [ 41.876488][ C1] dump_stack+0xf6/0x16e [ 41.876497][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876504][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876516][ C1] print_address_description.constprop.0+0x1c/0x210 [ 41.876525][ C1] ? vprintk_func+0x93/0x133 [ 41.876532][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876540][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876547][ C1] kasan_report.cold+0x37/0x7c [ 41.876555][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876562][ C1] ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.876574][ C1] ? __usb_hcd_giveback_urb+0x302/0x560 [ 41.876581][ C1] ? hif_usb_start+0xa0/0xa0 [ 41.876590][ C1] ? lock_downgrade+0x740/0x740 [ 41.876606][ C1] ? trace_hardirqs_off+0x27/0x1f0 [ 41.876615][ C1] __usb_hcd_giveback_urb+0x32d/0x560 [ 41.876623][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 41.876632][ C1] dummy_timer+0x11f2/0x3240 [ 41.876639][ C1] ? lock_downgrade+0x740/0x740 [ 41.876646][ C1] ? dummy_dequeue+0x490/0x490 [ 41.876655][ C1] call_timer_fn+0x1ac/0x6e0 [ 41.876661][ C1] ? dummy_dequeue+0x490/0x490 [ 41.876668][ C1] ? timer_fixup_init+0x60/0x60 [ 41.876679][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.876686][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x4f0 [ 41.876692][ C1] ? trace_hardirqs_on+0x5f/0x200 [ 41.876699][ C1] ? dummy_dequeue+0x490/0x490 [ 41.876706][ C1] __run_timers.part.0+0x67c/0xa60 [ 41.876712][ C1] ? call_timer_fn+0x6e0/0x6e0 [ 41.876719][ C1] ? mark_lock+0xbc/0x1590 [ 41.876729][ C1] ? clockevents_program_event+0x12b/0x350 [ 41.876736][ C1] ? mark_held_locks+0x9f/0xe0 [ 41.876743][ C1] run_timer_softirq+0x80/0x120 [ 41.876751][ C1] __do_softirq+0x1af/0x91c [ 41.876759][ C1] asm_call_on_stack+0xf/0x20 [ 41.876762][ C1] [ 41.876771][ C1] do_softirq_own_stack+0x73/0x90 [ 41.876778][ C1] irq_exit_rcu+0x107/0x1a0 [ 41.876787][ C1] sysvec_apic_timer_interrupt+0x43/0x90 [ 41.876795][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 41.876802][ C1] RIP: 0010:console_unlock+0xa99/0xcd0 [ 41.876811][ C1] Code: 00 89 ee 48 c7 c7 60 10 35 87 e8 12 b9 03 00 65 ff 0d 3b 48 d8 7e e9 87 f9 ff ff e8 81 57 16 00 e8 fc f0 1b 00 ff 74 24 30 9d 20 fe ff ff e8 6d 57 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 [ 41.876815][ C1] RSP: 0018:ffff8881cd0b7a18 EFLAGS: 00000293 [ 41.876822][ C1] RAX: 0000000000000e41 RBX: 0000000000000200 RCX: 0000000000000006 [ 41.876826][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8129a6d4 [ 41.876831][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff895c85e7 [ 41.876836][ C1] R10: fffffbfff12b90bc R11: 0000000031323354 R12: ffffffff82b424e0 [ 41.876841][ C1] R13: ffffffff876fbd90 R14: 0000000000000042 R15: dffffc0000000000 [ 41.876850][ C1] ? netconsole_netdev_event+0x2b0/0x2b0 [ 41.876856][ C1] ? console_unlock+0xa94/0xcd0 [ 41.876863][ C1] vprintk_emit+0x1b2/0x460 [ 41.876869][ C1] vprintk_func+0x8b/0x133 [ 41.876875][ C1] printk+0xba/0xed [ 41.876881][ C1] ? log_store.cold+0x16/0x16 [ 41.876887][ C1] ? usb_submit_urb+0xb56/0x13e0 [ 41.876894][ C1] ? usb_free_urb+0x5c/0x110 [ 41.876901][ C1] ? ath9k_htc_hw_init.cold+0x5/0x2a [ 41.876908][ C1] ? ath9k_htc_hw_init+0x3d/0x60 [ 41.876916][ C1] ath9k_htc_hw_init.cold+0x17/0x2a [ 41.876924][ C1] ath9k_hif_usb_firmware_cb+0x274/0x530 [ 41.876932][ C1] ? ath9k_hif_usb_alloc_urbs+0x1010/0x1010 [ 41.876940][ C1] request_firmware_work_func+0x126/0x250 [ 41.876946][ C1] ? do_raw_spin_lock+0x120/0x260 [ 41.876954][ C1] ? request_firmware_into_buf+0x90/0x90 [ 41.876962][ C1] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 41.876969][ C1] process_one_work+0x94c/0x15f0 [ 41.876977][ C1] ? lock_release+0x7f0/0x7f0 [ 41.876983][ C1] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 41.876989][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 41.876996][ C1] worker_thread+0x64c/0x1120 [ 41.877005][ C1] ? __kthread_parkme+0x118/0x1d0 [ 41.877011][ C1] ? process_one_work+0x15f0/0x15f0 [ 41.877018][ C1] kthread+0x392/0x470 [ 41.877029][ C1] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 41.877043][ C1] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 41.877056][ C1] ret_from_fork+0x1f/0x30 [ 41.877061][ C1] [ 41.877067][ C1] The buggy address belongs to the page: [ 41.877082][ C1] page:00000000fa39bdce refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c033c [ 41.877092][ C1] flags: 0x200000000000000() [ 41.877111][ C1] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 41.877127][ C1] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 41.877134][ C1] page dumped because: kasan: bad access detected [ 41.877138][ C1] [ 41.877142][ C1] Memory state around the buggy address: [ 41.877154][ C1] ffff8881c033bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.877164][ C1] ffff8881c033c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.877174][ C1] >ffff8881c033c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.877179][ C1] ^ [ 41.877185][ C1] ffff8881c033c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.877191][ C1] ffff8881c033c180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.877193][ C1] ================================================================== [ 41.877197][ C1] Disabling lock debugging due to kernel taint [ 41.877201][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 41.877209][ C1] CPU: 1 PID: 3214 Comm: kworker/1:4 Tainted: G B 5.9.0-rc2-syzkaller #0 [ 41.877212][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.877220][ C1] Workqueue: events request_firmware_work_func [ 41.877223][ C1] Call Trace: [ 41.877226][ C1] [ 41.877232][ C1] dump_stack+0xf6/0x16e [ 41.877239][ C1] ? ath9k_hif_usb_rx_cb+0xd40/0xf80 [ 41.877254][ C1] panic+0x2aa/0x6e1 [ 41.877260][ C1] ? __warn_printk+0xf3/0xf3 [ 41.877267][ C1] ? _raw_spin_unlock_irqrestore+0x2a/0x40 [ 41.877273][ C1] ? trace_hardirqs_off+0x27/0x1f0 [ 41.877280][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.877286][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.877293][ C1] end_report+0x4d/0x53 [ 41.877299][ C1] kasan_report.cold+0x72/0x7c [ 41.877311][ C1] ? ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.877324][ C1] ath9k_hif_usb_rx_cb+0xd7d/0xf80 [ 41.877338][ C1] ? __usb_hcd_giveback_urb+0x302/0x560 [ 41.877350][ C1] ? hif_usb_start+0xa0/0xa0 [ 41.877362][ C1] ? lock_downgrade+0x740/0x740 [ 41.877372][ C1] ? trace_hardirqs_off+0x27/0x1f0 [ 41.877386][ C1] __usb_hcd_giveback_urb+0x32d/0x560 [ 41.877400][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 41.877411][ C1] dummy_timer+0x11f2/0x3240 [ 41.877424][ C1] ? lock_downgrade+0x740/0x740 [ 41.877434][ C1] ? dummy_dequeue+0x490/0x490 [ 41.877440][ C1] call_timer_fn+0x1ac/0x6e0 [ 41.877447][ C1] ? dummy_dequeue+0x490/0x490 [ 41.877452][ C1] ? timer_fixup_init+0x60/0x60 [ 41.877459][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.877466][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x4f0 [ 41.877471][ C1] ? trace_hardirqs_on+0x5f/0x200 [ 41.877477][ C1] ? dummy_dequeue+0x490/0x490 [ 41.877483][ C1] __run_timers.part.0+0x67c/0xa60 [ 41.877489][ C1] ? call_timer_fn+0x6e0/0x6e0 [ 41.877495][ C1] ? mark_lock+0xbc/0x1590 [ 41.877502][ C1] ? clockevents_program_event+0x12b/0x350 [ 41.877509][ C1] ? mark_held_locks+0x9f/0xe0 [ 41.877515][ C1] run_timer_softirq+0x80/0x120 [ 41.877522][ C1] __do_softirq+0x1af/0x91c [ 41.877528][ C1] asm_call_on_stack+0xf/0x20 [ 41.877531][ C1] [ 41.877538][ C1] do_softirq_own_stack+0x73/0x90 [ 41.877543][ C1] irq_exit_rcu+0x107/0x1a0 [ 41.877551][ C1] sysvec_apic_timer_interrupt+0x43/0x90 [ 41.877558][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 41.877564][ C1] RIP: 0010:console_unlock+0xa99/0xcd0 [ 41.877571][ C1] Code: 00 89 ee 48 c7 c7 60 10 35 87 e8 12 b9 03 00 65 ff 0d 3b 48 d8 7e e9 87 f9 ff ff e8 81 57 16 00 e8 fc f0 1b 00 ff 74 24 30 9d 20 fe ff ff e8 6d 57 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 [ 41.877575][ C1] RSP: 0018:ffff8881cd0b7a18 EFLAGS: 00000293 [ 41.877580][ C1] RAX: 0000000000000e41 RBX: 0000000000000200 RCX: 0000000000000006 [ 41.877584][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8129a6d4 [ 41.877588][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff895c85e7 [ 41.877592][ C1] R10: fffffbfff12b90bc R11: 0000000031323354 R12: ffffffff82b424e0 [ 41.877596][ C1] R13: ffffffff876fbd90 R14: 0000000000000042 R15: dffffc0000000000 [ 41.877602][ C1] ? netconsole_netdev_event+0x2b0/0x2b0 [ 41.877608][ C1] ? console_unlock+0xa94/0xcd0 [ 41.877614][ C1] vprintk_emit+0x1b2/0x460 [ 41.877619][ C1] vprintk_func+0x8b/0x133 [ 41.877625][ C1] printk+0xba/0xed [ 41.877630][ C1] ? log_store.cold+0x16/0x16 [ 41.877635][ C1] ? usb_submit_urb+0xb56/0x13e0 [ 41.877641][ C1] ? usb_free_urb+0x5c/0x110 [ 41.877648][ C1] ? ath9k_htc_hw_init.cold+0x5/0x2a [ 41.877654][ C1] ? ath9k_htc_hw_init+0x3d/0x60 [ 41.877661][ C1] ath9k_htc_hw_init.cold+0x17/0x2a [ 41.877668][ C1] ath9k_hif_usb_firmware_cb+0x274/0x530 [ 41.877676][ C1] ? ath9k_hif_usb_alloc_urbs+0x1010/0x1010 [ 41.877683][ C1] request_firmware_work_func+0x126/0x250 [ 41.877688][ C1] ? do_raw_spin_lock+0x120/0x260 [ 41.877695][ C1] ? request_firmware_into_buf+0x90/0x90 [ 41.877702][ C1] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 41.877708][ C1] process_one_work+0x94c/0x15f0 [ 41.877715][ C1] ? lock_release+0x7f0/0x7f0 [ 41.877720][ C1] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 41.877726][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 41.877731][ C1] worker_thread+0x64c/0x1120 [ 41.877738][ C1] ? __kthread_parkme+0x118/0x1d0 [ 41.877744][ C1] ? process_one_work+0x15f0/0x15f0 [ 41.877750][ C1] kthread+0x392/0x470 [ 41.877757][ C1] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 41.877764][ C1] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 41.877770][ C1] ret_from_fork+0x1f/0x30 [ 41.878226][ C1] Kernel Offset: disabled [ 42.920038][ C1] Rebooting in 86400 seconds..