INFO: task kworker/1:1:24 blocked for more than 143 seconds.
Not tainted 5.11.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:22768 pid: 24 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4327 [inline]
__schedule+0x91b/0x1f90 kernel/sched/core.c:5078
schedule+0xcb/0x270 kernel/sched/core.c:5157
schedule_timeout+0x1d8/0x250 kernel/time/timer.c:1854
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
flush_workqueue+0x3ff/0x13e0 kernel/workqueue.c:2838
flush_scheduled_work include/linux/workqueue.h:597 [inline]
ath6kl_usb_flush_all drivers/net/wireless/ath/ath6kl/usb.c:476 [inline]
ath6kl_usb_destroy+0xc6/0x290 drivers/net/wireless/ath/ath6kl/usb.c:609
ath6kl_usb_probe+0xc7b/0x11f0 drivers/net/wireless/ath/ath6kl/usb.c:1166
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
really_probe+0x291/0xe60 drivers/base/dd.c:554
driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
__device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
__device_attach+0x228/0x4a0 drivers/base/dd.c:914
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
device_add+0xbc4/0x1d90 drivers/base/core.c:3109
usb_set_configuration+0x113c/0x1910 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
really_probe+0x291/0xe60 drivers/base/dd.c:554
driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
__device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
__device_attach+0x228/0x4a0 drivers/base/dd.c:914
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
device_add+0xbc4/0x1d90 drivers/base/core.c:3109
usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5591
process_one_work+0x98d/0x1580 kernel/workqueue.c:2275
process_scheduled_works kernel/workqueue.c:2337 [inline]
worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
kthread+0x38c/0x460 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
INFO: task kworker/0:4:7170 blocked for more than 144 seconds.
Not tainted 5.11.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:22504 pid: 7170 ppid: 2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:4327 [inline]
__schedule+0x91b/0x1f90 kernel/sched/core.c:5078
schedule+0xcb/0x270 kernel/sched/core.c:5157
schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:5216
__mutex_lock_common kernel/locking/mutex.c:1033 [inline]
__mutex_lock+0x7ef/0x10e0 kernel/locking/mutex.c:1103
device_lock include/linux/device.h:737 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1129 [inline]
ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1262
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1079
process_one_work+0x98d/0x1580 kernel/workqueue.c:2275
worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
kthread+0x38c/0x460 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
INFO: task kworker/1:10:18447 blocked for more than 144 seconds.
Not tainted 5.11.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:10 state:D
stack:23232 pid:18447 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4327 [inline]
__schedule+0x91b/0x1f90 kernel/sched/core.c:5078
schedule+0xcb/0x270 kernel/sched/core.c:5157
schedule_timeout+0x1d8/0x250 kernel/time/timer.c:1854
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
flush_workqueue+0x3ff/0x13e0 kernel/workqueue.c:2838
flush_scheduled_work include/linux/workqueue.h:597 [inline]
ath6kl_usb_flush_all drivers/net/wireless/ath/ath6kl/usb.c:476 [inline]
hif_detach_htc drivers/net/wireless/ath/ath6kl/usb.c:856 [inline]
ath6kl_usb_power_off+0xdc/0x140 drivers/net/wireless/ath/ath6kl/usb.c:1055
ath6kl_hif_power_off drivers/net/wireless/ath/ath6kl/hif-ops.h:143 [inline]
ath6kl_core_init drivers/net/wireless/ath/ath6kl/core.c:255 [inline]
ath6kl_core_init+0x236/0x1160 drivers/net/wireless/ath/ath6kl/core.c:66
ath6kl_usb_probe+0xc3d/0x11f0 drivers/net/wireless/ath/ath6kl/usb.c:1155
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
really_probe+0x291/0xe60 drivers/base/dd.c:554
driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
__device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
__device_attach+0x228/0x4a0 drivers/base/dd.c:914
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
device_add+0xbc4/0x1d90 drivers/base/core.c:3109
usb_set_configuration+0x113c/0x1910 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
really_probe+0x291/0xe60 drivers/base/dd.c:554
driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
__device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
__device_attach+0x228/0x4a0 drivers/base/dd.c:914
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
device_add+0xbc4/0x1d90 drivers/base/core.c:3109
usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5591
process_one_work+0x98d/0x1580 kernel/workqueue.c:2275
worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
kthread+0x38c/0x460 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Showing all locks held in the system:
6 locks held by kworker/1:0/17:
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1580 kernel/workqueue.c:2246
#1: ffffc9000012fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1580 kernel/workqueue.c:2250
#2: ffff88810921f218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#2: ffff88810921f218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
#3: ffff888109262570 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
#3: ffff888109262570 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
#3: ffff888109262570 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
#3: ffff888109262570 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
#3: ffff888109262570 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
#4: ffff88810915a868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b9/0x2e40 drivers/usb/core/hub.c:4582
#5: ffffffff87468d20 (console_lock){+.+.}-{0:0}, at: expire_timers kernel/time/timer.c:1465 [inline]
#5: ffffffff87468d20 (console_lock){+.+.}-{0:0}, at: __run_timers.part.0+0x69a/0xa10 kernel/time/timer.c:1731
5 locks held by kworker/1:1/24:
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1580 kernel/workqueue.c:2246
#1: ffffc900001a7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1580 kernel/workqueue.c:2250
#2: ffff888109107218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#2: ffff888109107218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
#3: ffff888107da0218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#3: ffff888107da0218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:889
#4: ffff8881080bf1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#4: ffff8881080bf1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:889
1 lock held by khungtaskd/1249:
#0: ffffffff87478520 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6259
5 locks held by kworker/1:2/1535:
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1580 kernel/workqueue.c:2246
#1: ffffc90004d07da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1580 kernel/workqueue.c:2250
#2: ffff8881091cf218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#2: ffff8881091cf218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
#3: ffff88810921a570 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
#3: ffff88810921a570 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
#3: ffff88810921a570 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
#3: ffff88810921a570 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
#3: ffff88810921a570 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
#4: ffff888109145168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b9/0x2e40 drivers/usb/core/hub.c:4582
2 locks held by systemd-journal/2642:
1 lock held by in:imklog/4280:
2 locks held by agetty/4287:
#0: ffff88811112d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
#1: ffffc900004cb2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x21d/0x1aa0 drivers/tty/n_tty.c:2158
2 locks held by agetty/4291:
#0: ffff8881115b6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
#1: ffffc9000054b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x21d/0x1aa0 drivers/tty/n_tty.c:2158
3 locks held by kworker/0:4/7170:
#0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1580 kernel/workqueue.c:2246
#1: ffffc90004b97da8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1580 kernel/workqueue.c:2250
#2: ffff888109267218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#2: ffff888109267218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1129 [inline]
#2: ffff888109267218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1262
5 locks held by kworker/0:5/7665:
6 locks held by kworker/0:7/8398:
5 locks held by kworker/1:10/18447:
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888103fc0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1580 kernel/workqueue.c:2246
#1: ffffc900002e7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1580 kernel/workqueue.c:2250
#2: ffff888109267218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#2: ffff888109267218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
#3: ffff888111e63218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#3: ffff888111e63218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:889
#4: ffff88810cfb51a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
#4: ffff88810cfb51a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:889
2 locks held by agetty/15125:
#0: ffff888100a1f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
#1: ffffc90001f7b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x21d/0x1aa0 drivers/tty/n_tty.c:2158
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1249 Comm: khungtaskd Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x107/0x163 lib/dump_stack.c:120
nmi_cpu_backtrace.cold+0x46/0xe0 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1da/0x200 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+0xd32/0xf70 kernel/hung_task.c:294
kthread+0x38c/0x460 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1535 Comm: kworker/1:2 Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:timerqueue_del+0x3/0x140 lib/timerqueue.c:64
Code: 73 81 ff ff 49 89 c4 e8 eb fa 38 ff 4c 89 e0 5d 41 5c c3 e8 df fa 38 ff 45 31 e4 5d 4c 89 e0 41 5c c3 0f 1f 44 00 00 41 54 55 <48> 89 fd 53 48 89 f3 48 83 ec 08 e8 bd fa 38 ff 48 89 da 48 b8 00
RSP: 0018:ffffc90000148dd8 EFLAGS: 00000046
RAX: 0000000080010002 RBX: ffffc900002a7da0 RCX: 0000000000000000
RDX: ffff8881057c5040 RSI: ffffc900002a7da0 RDI: ffff8881f6b26710
RBP: ffff8881f6b266c0 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81300ec8 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8881f6b26640 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000565295198260 CR3: 000000010145f000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__remove_hrtimer+0xa1/0x1d0 kernel/time/hrtimer.c:996
__run_hrtimer kernel/time/hrtimer.c:1499 [inline]
__hrtimer_run_queues+0x4ea/0xd80 kernel/time/hrtimer.c:1583
hrtimer_interrupt+0x300/0x8f0 kernel/time/hrtimer.c:1645
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0xf5/0x420 arch/x86/kernel/apic/apic.c:1102
asm_call_irq_on_stack+0xf/0x20
__run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline]
run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline]
sysvec_apic_timer_interrupt+0x7f/0xa0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1812 [inline]
RIP: 0010:vprintk_emit+0x337/0x4a0 kernel/printk/printk.c:2091
Code: c7 a0 89 38 87 e8 d9 7f fd ff e8 04 1d 00 00 31 ff 48 89 ee e8 9a 21 16 00 48 85 ed 0f 85 54 01 00 00 e8 9c 19 16 00 41 55 9d 94 19 16 00 45 31 c9 41 b8 01 00 00 00 31 c9 68 1f 80 29 81 ba
RSP: 0018:ffffc90004d07468 EFLAGS: 00000212
RAX: 0000000000016ba8 RBX: 0000000000000000 RCX: ffffc9000f7cd000
RDX: 0000000000040000 RSI: ffffffff81298024 RDI: ffffffff8129817d
RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff89bc262f
R10: fffffbfff13784c5 R11: 0000000000000000 R12: 0000000000000042
R13: 0000000000000212 R14: ffff8881038f8000 R15: 0000000000000000
dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4301
dev_printk_emit+0xba/0xf1 drivers/base/core.c:4312
__dev_printk+0xcf/0xf5 drivers/base/core.c:4324
_dev_warn+0xd7/0x109 drivers/base/core.c:4368
usb_parse_configuration drivers/usb/core/config.c:691 [inline]
usb_get_configuration.cold+0x1d2/0x148d drivers/usb/core/config.c:944
usb_enumerate_device drivers/usb/core/hub.c:2388 [inline]
usb_new_device+0x42c/0x7a0 drivers/usb/core/hub.c:2524
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5591
process_one_work+0x98d/0x1580 kernel/workqueue.c:2275
worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
kthread+0x38c/0x460 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296