[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 13.633409][ T1734] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 13.760643][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.42' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.138251][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 44.347902][ T17] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 44.358871][ T17] usb 1-1: New USB device found, idVendor=12cf, idProduct=7111, bcdDevice=44.11 [ 44.368066][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.377706][ T17] usb 1-1: config 0 descriptor?? [ 44.637887][ T17] radio-si470x 1-1:0.0: DeviceID=0x10c6 ChipID=0xcd81 [ 44.857901][ T17] radio-si470x 1-1:0.0: software version 16, hardware version 198 executing program [ 45.077846][ T17] radio-si470x 1-1:0.0: si470x_set_report: usb_control_msg returned -71 [ 45.097817][ C1] radio-si470x 1-1:0.0: non-zero urb status (-71) [ 45.104438][ T17] radio-si470x 1-1:0.0: si470x_set_report: usb_control_msg returned -71 [ 45.113100][ T17] radio-si470x: probe of 1-1:0.0 failed with error -22 [ 45.120077][ C1] ================================================================== [ 45.120113][ C1] BUG: KASAN: use-after-free in si470x_int_in_callback.cold+0x27/0xbe [ 45.120119][ C1] Read of size 8 at addr ffff8881cccb8ad0 by task kworker/1:0/17 [ 45.120121][ C1] [ 45.120129][ C1] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.6.0-rc5-syzkaller #0 [ 45.120134][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.120143][ C1] Workqueue: usb_hub_wq hub_event [ 45.120148][ C1] Call Trace: [ 45.120151][ C1] [ 45.120159][ C1] dump_stack+0xef/0x16e [ 45.120167][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.120174][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.120184][ C1] print_address_description.constprop.0.cold+0xd3/0x314 [ 45.120191][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.120198][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.120205][ C1] __kasan_report.cold+0x37/0x77 [ 45.120212][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.120219][ C1] kasan_report+0xe/0x20 [ 45.120226][ C1] si470x_int_in_callback.cold+0x27/0xbe [ 45.120235][ C1] ? trace_hardirqs_off+0x50/0x200 [ 45.120242][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 45.120248][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 45.120257][ C1] dummy_timer+0x1258/0x32ae [ 45.120265][ C1] ? __lock_acquire+0x145e/0x3b60 [ 45.120271][ C1] ? __lock_acquire+0x145e/0x3b60 [ 45.120281][ C1] ? debug_object_deactivate+0x1d9/0x320 [ 45.120287][ C1] ? mark_held_locks+0xe0/0xe0 [ 45.120295][ C1] ? dummy_udc_probe+0x930/0x930 [ 45.120303][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 45.120310][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.120317][ C1] call_timer_fn+0x195/0x6f0 [ 45.120324][ C1] ? dummy_udc_probe+0x930/0x930 [ 45.120330][ C1] ? msleep_interruptible+0x130/0x130 [ 45.120337][ C1] ? mark_held_locks+0x9f/0xe0 [ 45.120343][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.120355][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 45.120362][ C1] ? dummy_udc_probe+0x930/0x930 [ 45.120368][ C1] run_timer_softirq+0x5f9/0x1500 [ 45.120374][ C1] ? add_timer+0x7a0/0x7a0 [ 45.120381][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 45.120388][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.120394][ C1] ? mark_held_locks+0x9f/0xe0 [ 45.120402][ C1] __do_softirq+0x21e/0x950 [ 45.120410][ C1] irq_exit+0x178/0x1a0 [ 45.120422][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 45.120429][ C1] apic_timer_interrupt+0xf/0x20 [ 45.120432][ C1] [ 45.120441][ C1] RIP: 0010:console_unlock+0xa6b/0xca0 [ 45.120449][ C1] Code: 00 89 ee 48 c7 c7 60 43 14 87 e8 10 c3 03 00 65 ff 0d a1 ef d8 7e e9 b5 f9 ff ff e8 af 36 16 00 e8 aa 7f 1b 00 ff 74 24 30 9d fd fd ff ff e8 9b 36 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 [ 45.120453][ C1] RSP: 0018:ffff8881da267178 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 45.120460][ C1] RAX: 0000000000000007 RBX: 0000000000000200 RCX: 0000000000000006 [ 45.120464][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881da24b94c [ 45.120469][ C1] RBP: 0000000000000000 R08: ffff8881da24b100 R09: fffffbfff1266e85 [ 45.120473][ C1] R10: fffffbfff1266e84 R11: ffffffff89337427 R12: ffffffff82a07730 [ 45.120477][ C1] R13: ffffffff874d4810 R14: 000000000000004c R15: dffffc0000000000 [ 45.120486][ C1] ? netconsole_netdev_event+0x2a0/0x2a0 [ 45.120494][ C1] vprintk_emit+0x171/0x3d0 [ 45.120501][ C1] vprintk_func+0x75/0x113 [ 45.120511][ C1] printk+0xba/0xed [ 45.120519][ C1] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 45.120527][ C1] really_probe.cold+0x88/0x1fd [ 45.120534][ C1] driver_probe_device+0x223/0x350 [ 45.120540][ C1] __device_attach_driver+0x1d1/0x290 [ 45.120547][ C1] ? driver_allows_async_probing+0x160/0x160 [ 45.120555][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.120576][ C1] ? bus_rescan_devices+0x20/0x20 [ 45.120583][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 45.120589][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 45.120595][ C1] __device_attach+0x217/0x390 [ 45.120602][ C1] ? device_bind_driver+0xd0/0xd0 [ 45.120608][ C1] bus_probe_device+0x1e4/0x290 [ 45.120615][ C1] device_add+0x1459/0x1bf0 [ 45.120624][ C1] ? wait_for_completion+0x3c0/0x3c0 [ 45.120631][ C1] ? device_link_remove+0x110/0x110 [ 45.120638][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 45.120646][ C1] usb_set_configuration+0xe47/0x17d0 [ 45.120654][ C1] usb_generic_driver_probe+0x9d/0xe0 [ 45.120661][ C1] usb_probe_device+0xd9/0x230 [ 45.120668][ C1] ? usb_suspend+0x5f0/0x5f0 [ 45.120674][ C1] really_probe+0x290/0xac0 [ 45.120680][ C1] driver_probe_device+0x223/0x350 [ 45.120687][ C1] __device_attach_driver+0x1d1/0x290 [ 45.120694][ C1] ? driver_allows_async_probing+0x160/0x160 [ 45.120701][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.120708][ C1] ? bus_rescan_devices+0x20/0x20 [ 45.120715][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 45.120721][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 45.120727][ C1] __device_attach+0x217/0x390 [ 45.120734][ C1] ? device_bind_driver+0xd0/0xd0 [ 45.120740][ C1] bus_probe_device+0x1e4/0x290 [ 45.120746][ C1] device_add+0x1459/0x1bf0 [ 45.120754][ C1] ? device_link_remove+0x110/0x110 [ 45.120760][ C1] usb_new_device.cold+0x540/0xcd0 [ 45.120766][ C1] hub_event+0x21cb/0x4300 [ 45.120773][ C1] ? hub_port_debounce+0x350/0x350 [ 45.120779][ C1] ? find_held_lock+0x2d/0x110 [ 45.120786][ C1] ? mark_held_locks+0xe0/0xe0 [ 45.120793][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 45.120800][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.120809][ C1] process_one_work+0x94b/0x1620 [ 45.120816][ C1] ? pwq_dec_nr_in_flight+0x310/0x310 [ 45.120824][ C1] ? do_raw_spin_lock+0x129/0x290 [ 45.120831][ C1] worker_thread+0x96/0xe20 [ 45.120838][ C1] ? process_one_work+0x1620/0x1620 [ 45.120844][ C1] kthread+0x318/0x420 [ 45.120851][ C1] ? kthread_create_on_node+0xf0/0xf0 [ 45.120860][ C1] ret_from_fork+0x24/0x30 [ 45.120863][ C1] [ 45.120867][ C1] Allocated by task 17: [ 45.120874][ C1] save_stack+0x1b/0x80 [ 45.120881][ C1] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 45.120887][ C1] si470x_usb_driver_probe+0x51/0xf50 [ 45.120894][ C1] usb_probe_interface+0x310/0x800 [ 45.120899][ C1] really_probe+0x290/0xac0 [ 45.120905][ C1] driver_probe_device+0x223/0x350 [ 45.120911][ C1] __device_attach_driver+0x1d1/0x290 [ 45.120917][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.120923][ C1] __device_attach+0x217/0x390 [ 45.120928][ C1] bus_probe_device+0x1e4/0x290 [ 45.120934][ C1] device_add+0x1459/0x1bf0 [ 45.120941][ C1] usb_set_configuration+0xe47/0x17d0 [ 45.120947][ C1] usb_generic_driver_probe+0x9d/0xe0 [ 45.120953][ C1] usb_probe_device+0xd9/0x230 [ 45.120959][ C1] really_probe+0x290/0xac0 [ 45.120964][ C1] driver_probe_device+0x223/0x350 [ 45.120970][ C1] __device_attach_driver+0x1d1/0x290 [ 45.120977][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.120982][ C1] __device_attach+0x217/0x390 [ 45.120988][ C1] bus_probe_device+0x1e4/0x290 [ 45.120994][ C1] device_add+0x1459/0x1bf0 [ 45.120999][ C1] usb_new_device.cold+0x540/0xcd0 [ 45.121004][ C1] hub_event+0x21cb/0x4300 [ 45.121011][ C1] process_one_work+0x94b/0x1620 [ 45.121017][ C1] worker_thread+0x96/0xe20 [ 45.121022][ C1] kthread+0x318/0x420 [ 45.121028][ C1] ret_from_fork+0x24/0x30 [ 45.121030][ C1] [ 45.121033][ C1] Freed by task 17: [ 45.121039][ C1] save_stack+0x1b/0x80 [ 45.121047][ C1] __kasan_slab_free+0x117/0x160 [ 45.121057][ C1] kfree+0xd5/0x300 [ 45.121068][ C1] si470x_usb_driver_probe+0xb27/0xf50 [ 45.121084][ C1] usb_probe_interface+0x310/0x800 [ 45.121096][ C1] really_probe+0x290/0xac0 [ 45.121106][ C1] driver_probe_device+0x223/0x350 [ 45.121117][ C1] __device_attach_driver+0x1d1/0x290 [ 45.121126][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.121131][ C1] __device_attach+0x217/0x390 [ 45.121137][ C1] bus_probe_device+0x1e4/0x290 [ 45.121143][ C1] device_add+0x1459/0x1bf0 [ 45.121149][ C1] usb_set_configuration+0xe47/0x17d0 [ 45.121156][ C1] usb_generic_driver_probe+0x9d/0xe0 [ 45.121162][ C1] usb_probe_device+0xd9/0x230 [ 45.121167][ C1] really_probe+0x290/0xac0 [ 45.121173][ C1] driver_probe_device+0x223/0x350 [ 45.121179][ C1] __device_attach_driver+0x1d1/0x290 [ 45.121186][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.121191][ C1] __device_attach+0x217/0x390 [ 45.121197][ C1] bus_probe_device+0x1e4/0x290 [ 45.121203][ C1] device_add+0x1459/0x1bf0 [ 45.121208][ C1] usb_new_device.cold+0x540/0xcd0 [ 45.121214][ C1] hub_event+0x21cb/0x4300 [ 45.121220][ C1] process_one_work+0x94b/0x1620 [ 45.121226][ C1] worker_thread+0x96/0xe20 [ 45.121232][ C1] kthread+0x318/0x420 [ 45.121237][ C1] ret_from_fork+0x24/0x30 [ 45.121239][ C1] [ 45.121245][ C1] The buggy address belongs to the object at ffff8881cccb8000 [ 45.121245][ C1] which belongs to the cache kmalloc-4k of size 4096 [ 45.121251][ C1] The buggy address is located 2768 bytes inside of [ 45.121251][ C1] 4096-byte region [ffff8881cccb8000, ffff8881cccb9000) [ 45.121253][ C1] The buggy address belongs to the page: [ 45.121261][ C1] page:ffffea0007332e00 refcount:1 mapcount:0 mapping:ffff8881da00c280 index:0x0 compound_mapcount: 0 [ 45.121267][ C1] flags: 0x200000000010200(slab|head) [ 45.121278][ C1] raw: 0200000000010200 0000000000000000 0000000100000001 ffff8881da00c280 [ 45.121286][ C1] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 45.121289][ C1] page dumped because: kasan: bad access detected [ 45.121290][ C1] [ 45.121293][ C1] Memory state around the buggy address: [ 45.121299][ C1] ffff8881cccb8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.121304][ C1] ffff8881cccb8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.121309][ C1] >ffff8881cccb8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.121312][ C1] ^ [ 45.121318][ C1] ffff8881cccb8b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.121323][ C1] ffff8881cccb8b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.121326][ C1] ================================================================== [ 45.121328][ C1] Disabling lock debugging due to kernel taint [ 45.121331][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 45.121339][ C1] CPU: 1 PID: 17 Comm: kworker/1:0 Tainted: G B 5.6.0-rc5-syzkaller #0 [ 45.121342][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.121348][ C1] Workqueue: usb_hub_wq hub_event [ 45.121354][ C1] Call Trace: [ 45.121359][ C1] [ 45.121365][ C1] dump_stack+0xef/0x16e [ 45.121371][ C1] panic+0x2aa/0x6e1 [ 45.121376][ C1] ? add_taint.cold+0x16/0x16 [ 45.121384][ C1] ? print_shadow_for_address+0xb8/0x114 [ 45.121390][ C1] ? trace_hardirqs_off+0x50/0x200 [ 45.121397][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.121403][ C1] end_report+0x43/0x49 [ 45.121410][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.121416][ C1] __kasan_report.cold+0x55/0x77 [ 45.121423][ C1] ? si470x_int_in_callback.cold+0x27/0xbe [ 45.121432][ C1] kasan_report+0xe/0x20 [ 45.121438][ C1] si470x_int_in_callback.cold+0x27/0xbe [ 45.121445][ C1] ? trace_hardirqs_off+0x50/0x200 [ 45.121451][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 45.121458][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 45.121464][ C1] dummy_timer+0x1258/0x32ae [ 45.121470][ C1] ? __lock_acquire+0x145e/0x3b60 [ 45.121479][ C1] ? __lock_acquire+0x145e/0x3b60 [ 45.121486][ C1] ? debug_object_deactivate+0x1d9/0x320 [ 45.121492][ C1] ? mark_held_locks+0xe0/0xe0 [ 45.121499][ C1] ? dummy_udc_probe+0x930/0x930 [ 45.121505][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 45.121512][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.121520][ C1] call_timer_fn+0x195/0x6f0 [ 45.121526][ C1] ? dummy_udc_probe+0x930/0x930 [ 45.121532][ C1] ? msleep_interruptible+0x130/0x130 [ 45.121538][ C1] ? mark_held_locks+0x9f/0xe0 [ 45.121544][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.121550][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 45.121557][ C1] ? dummy_udc_probe+0x930/0x930 [ 45.121569][ C1] run_timer_softirq+0x5f9/0x1500 [ 45.121575][ C1] ? add_timer+0x7a0/0x7a0 [ 45.121581][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 45.121588][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.121593][ C1] ? mark_held_locks+0x9f/0xe0 [ 45.121600][ C1] __do_softirq+0x21e/0x950 [ 45.121606][ C1] irq_exit+0x178/0x1a0 [ 45.121613][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 45.121620][ C1] apic_timer_interrupt+0xf/0x20 [ 45.121622][ C1] [ 45.121629][ C1] RIP: 0010:console_unlock+0xa6b/0xca0 [ 45.121635][ C1] Code: 00 89 ee 48 c7 c7 60 43 14 87 e8 10 c3 03 00 65 ff 0d a1 ef d8 7e e9 b5 f9 ff ff e8 af 36 16 00 e8 aa 7f 1b 00 ff 74 24 30 9d fd fd ff ff e8 9b 36 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 [ 45.121641][ C1] RSP: 0018:ffff8881da267178 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 45.121647][ C1] RAX: 0000000000000007 RBX: 0000000000000200 RCX: 0000000000000006 [ 45.121651][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881da24b94c [ 45.121654][ C1] RBP: 0000000000000000 R08: ffff8881da24b100 R09: fffffbfff1266e85 [ 45.121658][ C1] R10: fffffbfff1266e84 R11: ffffffff89337427 R12: ffffffff82a07730 [ 45.121662][ C1] R13: ffffffff874d4810 R14: 000000000000004c R15: dffffc0000000000 [ 45.121668][ C1] ? netconsole_netdev_event+0x2a0/0x2a0 [ 45.121676][ C1] vprintk_emit+0x171/0x3d0 [ 45.121682][ C1] vprintk_func+0x75/0x113 [ 45.121689][ C1] printk+0xba/0xed [ 45.121696][ C1] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 45.121702][ C1] really_probe.cold+0x88/0x1fd [ 45.121708][ C1] driver_probe_device+0x223/0x350 [ 45.121714][ C1] __device_attach_driver+0x1d1/0x290 [ 45.121720][ C1] ? driver_allows_async_probing+0x160/0x160 [ 45.121726][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.121733][ C1] ? bus_rescan_devices+0x20/0x20 [ 45.121739][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 45.121745][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 45.121751][ C1] __device_attach+0x217/0x390 [ 45.121757][ C1] ? device_bind_driver+0xd0/0xd0 [ 45.121762][ C1] bus_probe_device+0x1e4/0x290 [ 45.121768][ C1] device_add+0x1459/0x1bf0 [ 45.121774][ C1] ? wait_for_completion+0x3c0/0x3c0 [ 45.121781][ C1] ? device_link_remove+0x110/0x110 [ 45.121787][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 45.121793][ C1] usb_set_configuration+0xe47/0x17d0 [ 45.121801][ C1] usb_generic_driver_probe+0x9d/0xe0 [ 45.121807][ C1] usb_probe_device+0xd9/0x230 [ 45.121814][ C1] ? usb_suspend+0x5f0/0x5f0 [ 45.121819][ C1] really_probe+0x290/0xac0 [ 45.121825][ C1] driver_probe_device+0x223/0x350 [ 45.121831][ C1] __device_attach_driver+0x1d1/0x290 [ 45.121837][ C1] ? driver_allows_async_probing+0x160/0x160 [ 45.121843][ C1] bus_for_each_drv+0x162/0x1e0 [ 45.121850][ C1] ? bus_rescan_devices+0x20/0x20 [ 45.121856][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 45.121862][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 45.121868][ C1] __device_attach+0x217/0x390 [ 45.121874][ C1] ? device_bind_driver+0xd0/0xd0 [ 45.121879][ C1] bus_probe_device+0x1e4/0x290 [ 45.121886][ C1] device_add+0x1459/0x1bf0 [ 45.121892][ C1] ? device_link_remove+0x110/0x110 [ 45.121898][ C1] usb_new_device.cold+0x540/0xcd0 [ 45.121904][ C1] hub_event+0x21cb/0x4300 [ 45.121910][ C1] ? hub_port_debounce+0x350/0x350 [ 45.121916][ C1] ? find_held_lock+0x2d/0x110 [ 45.121921][ C1] ? mark_held_locks+0xe0/0xe0 [ 45.121928][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 45.121934][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 45.121941][ C1] process_one_work+0x94b/0x1620 [ 45.121948][ C1] ? pwq_dec_nr_in_flight+0x310/0x310 [ 45.121954][ C1] ? do_raw_spin_lock+0x129/0x290 [ 45.121961][ C1] worker_thread+0x96/0xe20 [ 45.121967][ C1] ? process_one_work+0x1620/0x1620 [ 45.121973][ C1] kthread+0x318/0x420 [ 45.121979][ C1] ? kthread_create_on_node+0xf0/0xf0 [ 45.121985][ C1] ret_from_fork+0x24/0x30 [ 45.122593][ C1] Kernel Offset: disabled [ 46.697133][ C1] Rebooting in 86400 seconds..