usb 7-1: USB disconnect, device number 121 ------------[ cut here ]------------ workqueue: work disable count underflowed WARNING: CPU: 0 PID: 19545 at kernel/workqueue.c:4328 work_offqd_enable kernel/workqueue.c:4328 [inline] WARNING: CPU: 0 PID: 19545 at kernel/workqueue.c:4328 enable_work+0x2b1/0x2c0 kernel/workqueue.c:4499 Modules linked in: CPU: 0 UID: 0 PID: 19545 Comm: kworker/0:1 Not tainted 6.16.0-rc2-syzkaller-00082-gfb4d33ab452e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:work_offqd_enable kernel/workqueue.c:4328 [inline] RIP: 0010:enable_work+0x2b1/0x2c0 kernel/workqueue.c:4499 Code: 41 5e 41 5f 5d e9 3f f1 dd 09 cc e8 79 1f db 09 e8 64 24 35 00 c6 05 4b c3 ff 0d 01 90 48 c7 c7 e0 e4 89 8b e8 00 cf f8 ff 90 <0f> 0b 90 90 e9 69 ff ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000e287060 EFLAGS: 00010046 RAX: eca44e0ccdedb300 RBX: ffff88807ac86730 RCX: 0000000000100000 RDX: ffffc9001aa16000 RSI: 0000000000005958 RDI: 0000000000005959 RBP: ffffc9000e287120 R08: ffffffff8e132f63 R09: 1ffffffff1c265ec R10: dffffc0000000000 R11: fffffbfff1c265ed R12: 1ffff92001c50e10 R13: dffffc0000000000 R14: 0000000000000000 R15: 001fffffffc00001 FS: 0000000000000000(0000) GS:ffff888125c51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d21bff8 CR3: 00000000493b2000 CR4: 00000000003526f0 Call Trace: __cancel_work_sync+0xf7/0x110 kernel/workqueue.c:4369 thermal_zone_device_unregister+0x210/0x380 drivers/thermal/thermal_core.c:1719 psy_unregister_thermal drivers/power/supply/power_supply_core.c:1487 [inline] power_supply_unregister+0xf9/0x140 drivers/power/supply/power_supply_core.c:1704 thunderstrike_destroy drivers/hid/hid-nvidia-shield.c:927 [inline] shield_remove+0x72/0x120 drivers/hid/hid-nvidia-shield.c:1104 hid_device_remove+0x228/0x370 drivers/hid/hid-core.c:-1 device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x46f/0x7c0 drivers/base/dd.c:1295 bus_remove_device+0x34d/0x410 drivers/base/bus.c:579 device_del+0x511/0x8e0 drivers/base/core.c:3881 hid_remove_device drivers/hid/hid-core.c:2964 [inline] hid_destroy_device+0x6b/0x1b0 drivers/hid/hid-core.c:2986 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1462 usb_unbind_interface+0x26e/0x8f0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x4d9/0x7c0 drivers/base/dd.c:1295 bus_remove_device+0x34d/0x410 drivers/base/bus.c:579 device_del+0x511/0x8e0 drivers/base/core.c:3881 usb_disable_device+0x3e9/0x8a0 drivers/usb/core/message.c:1418 usb_disconnect+0x330/0x910 drivers/usb/core/hub.c:2316 hub_port_connect drivers/usb/core/hub.c:5375 [inline] hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] port_event drivers/usb/core/hub.c:5835 [inline] hub_event+0x1cdb/0x4a00 drivers/usb/core/hub.c:5917 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245