INFO: task kworker/1:1:50 blocked for more than 143 seconds. Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:24600 pid:50 tgid:50 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306 usb_deregister_dev+0x88/0x210 drivers/usb/core/file.c:186 hiddev_disconnect+0x87/0x190 drivers/hid/usbhid/hiddev.c:932 hid_disconnect drivers/hid/hid-core.c:2281 [inline] hid_hw_stop drivers/hid/hid-core.c:2328 [inline] hid_device_remove+0x180/0x370 drivers/hid/hid-core.c:2690 device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x4ab/0x7c0 drivers/base/dd.c:1293 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x57a/0x9b0 drivers/base/core.c:3868 hid_remove_device drivers/hid/hid-core.c:2866 [inline] hid_destroy_device+0x68/0x100 drivers/hid/hid-core.c:2886 usbhid_disconnect+0x9e/0xc0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x260/0x940 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1293 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x57a/0x9b0 drivers/base/core.c:3868 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1eb9/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:9:5908 blocked for more than 146 seconds. Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:9 state:D stack:20784 pid:5908 tgid:5908 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752