INFO: task kworker/1:7:3552 blocked for more than 143 seconds. Not tainted 5.7.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:7 D23816 3552 2 0x80004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x892/0x1d80 kernel/sched/core.c:4083 lock_downgrade+0x720/0x720 kernel/locking/lockdep.c:4599 __sched_text_start+0x8/0x8 __trace_hardirqs_on_caller kernel/locking/lockdep.c:3657 [inline] lockdep_hardirqs_on+0x3c7/0x5d0 kernel/locking/lockdep.c:3702 schedule+0xcd/0x2b0 kernel/sched/core.c:4158 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4217 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x87c/0x1360 kernel/locking/mutex.c:1103 input_disconnect_device drivers/input/input.c:733 [inline] __input_unregister_device+0x23/0x430 drivers/input/input.c:2086 usb_poison_urb+0x2a0/0x2a0 drivers/usb/core/urb.c:736 mutex_trylock+0x2c0/0x2c0 kernel/locking/mutex.c:126 finish_wait+0x260/0x260 include/linux/list.h:301 mark_held_locks+0x9f/0xe0 kernel/locking/lockdep.c:3628 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x1f/0x30 kernel/locking/spinlock.c:199 usb_free_urb+0x1b/0x30 drivers/usb/core/urb.c:95 __read_once_size include/linux/compiler.h:199 [inline] list_empty include/linux/list.h:282 [inline] usb_hcd_flush_endpoint+0x15c/0x410 drivers/usb/core/hcd.c:1784 input_disconnect_device drivers/input/input.c:733 [inline] __input_unregister_device+0x23/0x430 drivers/input/input.c:2086 input_disconnect_device drivers/input/input.c:733 [inline] __input_unregister_device+0x23/0x430 drivers/input/input.c:2086 input_unregister_device+0xb4/0xf0 drivers/input/input.c:2273 iforce_usb_disconnect+0x5e/0xf0 drivers/input/joystick/iforce/iforce-usb.c:261 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:436 __pm_runtime_idle+0xd1/0x310 drivers/base/power/runtime.c:1021 usb_autoresume_device+0x60/0x60 include/linux/pm_runtime.h:252 __device_release_driver drivers/base/dd.c:1110 [inline] device_release_driver_internal+0x432/0x500 drivers/base/dd.c:1141 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:533 device_del+0x481/0xd30 drivers/base/core.c:2715 device_create_with_groups+0x120/0x120 drivers/base/core.c:3308 usb_remove_ep_devs+0x3e/0x80 drivers/usb/core/endpoint.c:215 remove_intf_ep_devs+0x13f/0x1d0 drivers/usb/core/message.c:1121 usb_disable_device+0x23d/0x790 drivers/usb/core/message.c:1245 usb_disconnect+0x293/0x900 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+0x1abf/0x43c0 drivers/usb/core/hub.c:5576 hub_port_debounce+0x350/0x350 drivers/usb/core/hub.c:4441 __x64_sys_sysinfo+0x30/0x40 kernel/sys.c:2604 lock_is_held include/linux/lockdep.h:406 [inline] rcu_read_lock_sched_held+0x9c/0xd0 kernel/rcu/update.c:121 rcu_read_lock_bh_held+0xb0/0xb0 kernel/rcu/update.c:333 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x1f/0x30 kernel/locking/spinlock.c:199 process_one_work+0x965/0x1630 kernel/workqueue.c:2268 lock_release+0x720/0x720 kernel/locking/lockdep.c:4689 pwq_dec_nr_in_flight+0x310/0x310 kernel/workqueue.c:1198 rwlock_bug.part.0+0x90/0x90 include/linux/sched.h:1329 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 process_one_work+0x1630/0x1630 kernel/workqueue.c:1029 kthread+0x326/0x430 kernel/kthread.c:268 kthread_create_on_node+0xf0/0xf0 kernel/kthread.c:405 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351 Showing all locks held in the system: 3 locks held by kworker/0:0/5: #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #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:855 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881da1d7dc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4eb8218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4eb8218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1077 [inline] #2: ffff8881d4eb8218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x388/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1210 3 locks held by kworker/0:1/12: #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #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:855 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881da21fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4e60218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4e60218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1077 [inline] #2: ffff8881d4e60218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x388/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1210 5 locks held by kworker/1:0/17: #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881da25fdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4e98218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4e98218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x43c0 drivers/usb/core/hub.c:5522 #3: ffff8881cc31d218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #3: ffff8881cc31d218 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x91/0x900 drivers/usb/core/hub.c:2208 #4: ffff8881d40331a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x23/0x500 drivers/base/dd.c:1138 3 locks held by kworker/1:1/22: #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881da3efdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4ee0218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4ee0218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x43c0 drivers/usb/core/hub.c:5522 1 lock held by khungtaskd/23: #0: ffffffff87111260 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x264 kernel/locking/lockdep.c:5754 1 lock held by in:imklog/262: 2 locks held by login/269: #0: ffff8881d5786098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900005ec2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x220/0x1b30 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.3/371: 3 locks held by kworker/1:3/3086: #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881cc01fdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4e60218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4e60218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x43c0 drivers/usb/core/hub.c:5522 3 locks held by kworker/0:4/3094: 3 locks held by kworker/0:6/3179: #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #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:855 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881c304fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4ee0218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4ee0218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1077 [inline] #2: ffff8881d4ee0218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x388/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1210 6 locks held by kworker/0:7/3307: 6 locks held by kworker/1:7/3552: #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881d8905538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881cd8c7dc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4f40218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4f40218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x43c0 drivers/usb/core/hub.c:5522 #3: ffff8881d50b4218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #3: ffff8881d50b4218 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x91/0x900 drivers/usb/core/hub.c:2208 #4: ffff8881cd59c1a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x23/0x500 drivers/base/dd.c:1138 #5: ffff8881ccd842c0 (&dev->mutex#2){+.+.}-{3:3}, at: input_disconnect_device drivers/input/input.c:733 [inline] #5: ffff8881ccd842c0 (&dev->mutex#2){+.+.}-{3:3}, at: __input_unregister_device+0x23/0x430 drivers/input/input.c:2086 3 locks held by kworker/1:8/3735: #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #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:855 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8881da028d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x844/0x1630 kernel/workqueue.c:2239 #1: ffff8881c5dbfdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x878/0x1630 kernel/workqueue.c:2243 #2: ffff8881d4e98218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:768 [inline] #2: ffff8881d4e98218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1077 [inline] #2: ffff8881d4e98218 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x388/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1210 2 locks held by systemd-udevd/8830: #0: ffff8881cbabc160 (&evdev->mutex){+.+.}-{3:3}, at: evdev_close_device drivers/input/evdev.c:425 [inline] #0: ffff8881cbabc160 (&evdev->mutex){+.+.}-{3:3}, at: evdev_release+0xeb/0x1c0 drivers/input/evdev.c:466 #1: ffff8881ccd842c0 (&dev->mutex#2){+.+.}-{3:3}, at: input_close_device+0x42/0x1a0 drivers/input/input.c:674 2 locks held by syz-executor.1/9650: #0: ffff8881d453a160 (&evdev->mutex){+.+.}-{3:3}, at: evdev_release+0x7f/0x1c0 drivers/input/evdev.c:455 #1: ffff8881d6d1c2c0 (&dev->mutex#2){+.+.}-{3:3}, at: input_release_device+0x3b/0x60 drivers/input/input.c:586 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.7.0-rc6-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+0xef/0x16e lib/dump_stack.c:118 irq_force_complete_move.cold+0x13/0x47 arch/x86/kernel/apic/vector.c:1023 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101 lapic_can_unplug_cpu.cold+0x3b/0x3b nmi_trigger_cpumask_backtrace+0x1db/0x207 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0xa99/0xfd0 kernel/hung_task.c:289 reset_hung_task_detector+0x30/0x30 kernel/hung_task.c:243 kthread+0x326/0x430 kernel/kthread.c:268 kthread_create_on_node+0xf0/0xf0 kernel/kthread.c:405 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 130 Comm: systemd-journal Not tainted 5.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:match_held_lock+0xe/0x4b0 kernel/locking/lockdep.c:4413 Code: 78 05 48 83 c4 08 c3 89 c7 89 44 24 04 e8 2a fe ff ff 8b 44 24 04 48 83 c4 08 c3 90 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 <41> 54 55 53 48 89 fb 48 83 c7 10 48 89 fa 48 83 ec 08 48 c1 ea 03 RSP: 0018:ffff8881db309c68 EFLAGS: 00000097 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8881db334918 RDI: ffff8881d2d3ba50 RBP: ffff8881d2d3b180 R08: ffffffff88c4505c R09: ffffffff88c45048 R10: ffffffff88c45050 R11: 0000000000000001 R12: ffff8881d2d3b9f8 R13: ffffed103a5a773f R14: ffff8881d2d3ba50 R15: ffff8881db334918 FS: 00007fd7d63328c0(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd7d32b3000 CR3: 00000001d297f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_is_held kernel/locking/lockdep.c:4708 [inline] lock_is_held_type+0x13f/0x290 kernel/locking/lockdep.c:4971 lock_is_held include/linux/lockdep.h:406 [inline] rq_clock kernel/sched/sched.h:1125 [inline] sched_info_queued kernel/sched/stats.h:219 [inline] enqueue_task kernel/sched/core.c:1290 [inline] activate_task+0x23c/0x320 kernel/sched/core.c:1317 ttwu_do_activate+0xca/0x130 kernel/sched/core.c:2247 ttwu_queue kernel/sched/core.c:2392 [inline] try_to_wake_up+0xa86/0x1690 kernel/sched/core.c:2626 set_cpus_allowed_ptr+0x10/0x10 kernel/sched/core.c:1691 lock_is_held include/linux/lockdep.h:406 [inline] rcu_read_lock_sched_held+0x9c/0xd0 kernel/rcu/update.c:121 rcu_read_lock_bh_held+0xb0/0xb0 kernel/rcu/update.c:333 hrtimer_wakeup+0x43/0x60 kernel/time/hrtimer.c:1774 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1ce/0xe10 kernel/time/hrtimer.c:1584 hrtimer_init_sleeper_on_stack+0x90/0x90 kernel/time/hrtimer.c:1833 atomic_try_cmpxchg include/asm-generic/atomic-instrumented.h:694 [inline] queued_spin_lock include/asm-generic/qspinlock.h:78 [inline] do_raw_spin_lock+0x129/0x290 kernel/locking/spinlock_debug.c:113 hrtimer_init+0x2e0/0x2e0 include/linux/compiler.h:199 ktime_get_update_offsets_now+0x24c/0x320 kernel/time/timekeeping.c:2240 hrtimer_interrupt+0x2e8/0x730 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1113 [inline] smp_apic_timer_interrupt+0xfe/0x540 arch/x86/kernel/apic/apic.c:1138 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:write_comp_data+0x1e/0x70 kernel/kcov.c:208 Code: 48 89 11 c3 0f 1f 84 00 00 00 00 00 65 4c 8b 04 25 40 0f 02 00 65 8b 05 98 cf c1 7e a9 00 01 1f 00 75 51 41 8b 80 08 13 00 00 <83> f8 03 75 45 49 8b 80 10 13 00 00 45 8b 80 0c 13 00 00 4c 8b 08 RSP: 0018:ffff8881d2b479b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 000000000000006a RCX: ffffffff81710748 RDX: 000000000000006a RSI: 000000000000002e RDI: 0000000000000001 RBP: 000000078229cda2 R08: ffff8881d2d3b180 R09: ffffed1039d93fa6 R10: ffff8881cec9fd28 R11: ffffed1039d93fa5 R12: eee88cadefc2844e R13: dffffc0000000000 R14: ffff8881c53e9129 R15: ffff8881d2b47c20 link_path_walk.part.0+0x368/0xb50 fs/namei.c:2118 link_path_walk.part.0+0x368/0xb50 fs/namei.c:2118 walk_component+0x6a0/0x6a0 fs/namei.c:482 percpu_counter_add_batch+0xe3/0x140 lib/percpu_counter.c:97 link_path_walk fs/namei.c:2098 [inline] path_openat+0x25a/0x2740 fs/namei.c:3342 do_sys_openat2+0x3fc/0x7d0 fs/open.c:1142 path_lookupat.isra.0+0x530/0x530 fs/namei.c:2332 mark_held_locks+0xe0/0xe0 kernel/locking/lockdep.c:3620 do_filp_open+0x192/0x260 fs/namei.c:3373 may_open_dev+0xf0/0xf0 fs/namei.c:2821 spin_unlock include/linux/spinlock.h:393 [inline] __alloc_fd+0x46d/0x600 fs/file.c:534 atomic_try_cmpxchg include/asm-generic/atomic-instrumented.h:694 [inline] queued_spin_lock include/asm-generic/qspinlock.h:78 [inline] do_raw_spin_lock+0x129/0x290 kernel/locking/spinlock_debug.c:113 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock+0x1a/0x30 kernel/locking/spinlock.c:183 spin_unlock include/linux/spinlock.h:393 [inline] __alloc_fd+0x46d/0x600 fs/file.c:534 do_sys_openat2+0x585/0x7d0 fs/open.c:1148 file_open_root+0x400/0x400 fs/open.c:1129 __secure_computing+0xb4/0x280 kernel/seccomp.c:950 syscall_trace_enter+0x41d/0xcd0 arch/x86/entry/common.c:130 do_sys_open+0xc3/0x140 fs/open.c:1164 filp_open+0x70/0x70 fs/open.c:1117 trace_hardirqs_off_caller+0x55/0x200 kernel/trace/trace_preemptirq.c:73 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x7fd7d58c2840 Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 RSP: 002b:00007ffc4941c4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffc4941c7f0 RCX: 00007fd7d58c2840 RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000557a1b95eb20 RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000557a1b951040 R14: 00007ffc4941c7b0 R15: 0000557a1b95e470