INFO: task kworker/0:4:3089 blocked for more than 143 seconds.
Not tainted 5.8.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:4 D25488 3089 2 0x80004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:3453 [inline]
__schedule+0x88a/0x1cb0 kernel/sched/core.c:4178
schedule+0xcd/0x2b0 kernel/sched/core.c:4253
schedule_timeout+0x1d8/0x250 kernel/time/timer.c:1873
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x168/0x270 kernel/sched/completion.c:138
kthread_stop+0x17d/0x770 kernel/kthread.c:595
hwrng_unregister+0x24f/0x330 drivers/char/hw_random/core.c:556
chaoskey_disconnect+0x216/0x290 drivers/usb/misc/chaoskey.c:232
usb_unbind_interface+0x1d8/0x8d0 drivers/usb/core/driver.c:436
__device_release_driver+0x3b7/0x6e0 drivers/base/dd.c:1113
device_release_driver_internal drivers/base/dd.c:1144 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1167
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:533
device_del+0x47c/0xd20 drivers/base/core.c:2857
usb_disable_device+0x387/0x930 drivers/usb/core/message.c:1245
usb_disconnect.cold+0x27d/0x780 drivers/usb/core/hub.c:2217
hub_port_connect drivers/usb/core/hub.c:5059 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
port_event drivers/usb/core/hub.c:5494 [inline]
hub_event+0x1c93/0x4390 drivers/usb/core/hub.c:5576
process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
kthread+0x392/0x470 kernel/kthread.c:291
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Showing all locks held in the system:
3 locks held by kworker/1:1/22:
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffffffff873124a0 (rcu_read_lock){....}-{1:2}, at: trace_sched_stat_runtime include/trace/events/sched.h:435 [inline]
#1: ffffffff873124a0 (rcu_read_lock){....}-{1:2}, at: update_curr+0x28a/0x820 kernel/sched/fair.c:871
#2: ffffffff89a01908 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_check_no_obj_freed lib/debugobjects.c:955 [inline]
#2: ffffffff89a01908 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0xc7/0x41c lib/debugobjects.c:998
1 lock held by khungtaskd/23:
#0: ffffffff873124a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x264 kernel/locking/lockdep.c:5779
1 lock held by in:imklog/243:
3 locks held by kworker/0:3/3062:
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881d9197da8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
#2: ffff8881d4527218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#2: ffff8881d4527218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1108 [inline]
#2: ffff8881d4527218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1241
2 locks held by kworker/1:3/3075:
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881d437fda8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
5 locks held by kworker/0:4/3089:
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881abfb7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
#2: ffff8881d4407218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#2: ffff8881d4407218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
#3: ffff8881c6d54218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#3: ffff8881c6d54218 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x780 drivers/usb/core/hub.c:2208
#4: ffff8881c75491a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#4: ffff8881c75491a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:936 [inline]
#4: ffff8881c75491a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1141 [inline]
#4: ffff8881c75491a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1167
3 locks held by kworker/0:5/3100:
5 locks held by kworker/1:5/3122:
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881d3aafda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
#2: ffff8881d4507218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#2: ffff8881d4507218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
#3: ffff8881ac103218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#3: ffff8881ac103218 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x780 drivers/usb/core/hub.c:2208
#4: ffffffff873124a0 (rcu_read_lock){....}-{1:2}, at: trace_sched_stat_runtime include/trace/events/sched.h:435 [inline]
#4: ffffffff873124a0 (rcu_read_lock){....}-{1:2}, at: update_curr+0x28a/0x820 kernel/sched/fair.c:871
3 locks held by kworker/0:6/3129:
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881d139fda8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
#2: ffff8881d44bf218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#2: ffff8881d44bf218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1108 [inline]
#2: ffff8881d44bf218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1241
6 locks held by kworker/1:6/3288:
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881ca617da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
#2: ffff8881d444f218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#2: ffff8881d444f218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
#3: ffff8881d44ba588 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3012 [inline]
#3: ffff8881d44ba588 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5139 [inline]
#3: ffff8881d44ba588 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
#3: ffff8881d44ba588 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5494 [inline]
#3: ffff8881d44ba588 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x217c/0x4390 drivers/usb/core/hub.c:5576
#4: ffff8881d4e54868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b6/0x2e80 drivers/usb/core/hub.c:4563
#5: ffffffff87306f00 (console_lock){+.+.}-{0:0}, at: console_trylock_spinning kernel/printk/printk.c:1779 [inline]
#5: ffffffff87306f00 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x389/0x460 kernel/printk/printk.c:2020
6 locks held by kworker/1:7/3341:
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff8881d88ad138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
#1: ffff8881ccc97da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
#2: ffff8881d4527218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline]
#2: ffff8881d4527218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
#3: ffff8881d454a588 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3012 [inline]
#3: ffff8881d454a588 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5139 [inline]
#3: ffff8881d454a588 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
#3: ffff8881d454a588 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5494 [inline]
#3: ffff8881d454a588 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x217c/0x4390 drivers/usb/core/hub.c:5576
#4: ffff8881d4491868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b6/0x2e80 drivers/usb/core/hub.c:4563
#5: ffff8881db309d80 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:193 [inline]
#5: ffff8881db309d80 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xdb/0x6e0 kernel/time/timer.c:1394
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xf6/0x16e lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x74/0xb6 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1da/0x1f4 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
watchdog+0xd6a/0xfd0 kernel/hung_task.c:295
kthread+0x392/0x470 kernel/kthread.c:291
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:match_held_lock+0xa/0x150 kernel/locking/lockdep.c:4442
Code: 5c 02 85 c9 75 ec 48 c7 c6 80 fe 06 86 48 c7 c7 c0 fe 06 86 e8 79 96 65 fb 0f 0b c3 0f 1f 40 00 48 39 77 10 0f 84 97 00 00 00 <66> f7 47 22 f0 ff 74 4b 48 83 ec 08 48 8b 46 08 48 85 c0 0f 84 84
RSP: 0018:ffff8881db309938 EFLAGS: 00000097
RAX: 000000000000000f RBX: ffff8881db332ad8 RCX: 1ffffffff101529a
RDX: 1ffff1103b442750 RSI: ffff8881db332ad8 RDI: ffff8881da213b00
RBP: ffff8881da213200 R08: ffff8881db332ad8 R09: ffffffff880a854f
R10: fffffbfff10150a9 R11: 000000009837f050 R12: ffffed103b442750
R13: ffff8881da213a88 R14: 0000000000000003 R15: ffff8881da213b00
FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b47e04000 CR3: 00000001ad60f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__lock_unpin_lock kernel/locking/lockdep.c:4803 [inline]
lock_unpin_lock+0x1f5/0x3f0 kernel/locking/lockdep.c:5053
rq_unpin_lock kernel/sched/sched.h:1202 [inline]
rq_unlock kernel/sched/sched.h:1293 [inline]
ttwu_queue kernel/sched/core.c:2413 [inline]
try_to_wake_up+0x5cf/0x1230 kernel/sched/core.c:2663
up+0x75/0xb0 kernel/locking/semaphore.c:186
raw_event_queue_add drivers/usb/gadget/legacy/raw_gadget.c:77 [inline]
raw_queue_event drivers/usb/gadget/legacy/raw_gadget.c:225 [inline]
gadget_setup+0x35a/0x4f0 drivers/usb/gadget/legacy/raw_gadget.c:343
dummy_timer+0x1613/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1899
call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1404
expire_timers kernel/time/timer.c:1449 [inline]
__run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1773
__run_timers kernel/time/timer.c:1745 [inline]
run_timer_softirq+0x80/0x120 kernel/time/timer.c:1786
__do_softirq+0x222/0x95b kernel/softirq.c:292
asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
__run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77
invoke_softirq kernel/softirq.c:387 [inline]
__irq_exit_rcu kernel/softirq.c:417 [inline]
irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429
sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:49 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:acpi_safe_halt+0x72/0x90 drivers/acpi/processor_idle.c:112
Code: 74 06 5b e9 60 c8 8f fb e8 5b c8 8f fb e8 a6 53 95 fb e9 0c 00 00 00 e8 4c c8 8f fb 0f 00 2d c5 e5 74 00 e8 40 c8 8f fb fb f4 e8 98 4d 95 fb 5b e9 32 c8 8f fb 48 89 df e8 fa 72 b9 fb eb ab
RSP: 0018:ffff8881da22fc80 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8881da213200 RSI: ffffffff85afd9a0 RDI: ffffffff85afd98a
RBP: ffff8881d9287864 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8881d9287864
R13: 1ffff1103b445f99 R14: ffff8881d9287865 R15: 0000000000000001
acpi_idle_do_entry+0x15c/0x1b0 drivers/acpi/processor_idle.c:525
acpi_idle_enter+0x3f0/0xa50 drivers/acpi/processor_idle.c:651
cpuidle_enter_state+0xff/0x870 drivers/cpuidle/cpuidle.c:235
cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:346
call_cpuidle kernel/sched/idle.c:126 [inline]
cpuidle_idle_call kernel/sched/idle.c:214 [inline]
do_idle+0x3d6/0x5a0 kernel/sched/idle.c:276
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:372
start_secondary+0x2d2/0x3c0 arch/x86/kernel/smpboot.c:268
secondary_startup_64+0xb6/0xc0 arch/x86/kernel/head_64.S:243