usb 5-1: USB disconnect, device number 2 ------------[ cut here ]------------ workqueue: work disable count underflowed WARNING: CPU: 0 PID: 1347 at kernel/workqueue.c:4326 work_offqd_enable kernel/workqueue.c:4326 [inline] WARNING: CPU: 0 PID: 1347 at kernel/workqueue.c:4326 enable_work+0x345/0x360 kernel/workqueue.c:4497 Modules linked in: CPU: 0 UID: 0 PID: 1347 Comm: kworker/0:3 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:work_offqd_enable kernel/workqueue.c:4326 [inline] RIP: 0010:enable_work+0x345/0x360 kernel/workqueue.c:4497 Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 00 b7 38 00 c6 05 6f c5 bf 0e 01 90 48 c7 c7 e0 d0 49 8c e8 fc 0f f8 ff 90 <0f> 0b 90 90 e9 51 ff ff ff e8 fd 99 a5 0a 66 66 66 66 2e 0f 1f 84 RSP: 0018:ffffc9000291f000 EFLAGS: 00010046 RAX: 09524b043c80b800 RBX: 0000000000000000 RCX: ffff888000894880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000291f0e0 R08: ffffffff818218d2 R09: fffffbfff1d7a960 R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: 1ffff92000523e04 R13: dffffc0000000000 R14: 001fffffffc00001 R15: ffff8880528d0730 FS: 0000000000000000(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005648a6a342c0 CR3: 0000000052d1e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __cancel_work_sync+0xf5/0x110 kernel/workqueue.c:4367 thermal_zone_device_unregister+0x210/0x390 drivers/thermal/thermal_core.c:1719 psy_unregister_thermal drivers/power/supply/power_supply_core.c:1487 [inline] power_supply_unregister+0xe8/0x140 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+0x225/0x370 drivers/hid/hid-core.c:-1 device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1296 bus_remove_device+0x34f/0x420 drivers/base/bus.c:579 device_del+0x57c/0x9b0 drivers/base/core.c:3855 hid_remove_device drivers/hid/hid-core.c:2957 [inline] hid_destroy_device+0x6a/0x1b0 drivers/hid/hid-core.c:2979 usbhid_disconnect+0x9e/0xc0 drivers/hid/usbhid/hid-core.c:1459 usb_unbind_interface+0x25b/0x940 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296 bus_remove_device+0x34f/0x420 drivers/base/bus.c:579 device_del+0x57c/0x9b0 drivers/base/core.c:3855 usb_disable_device+0x3c5/0x860 drivers/usb/core/message.c:1418 usb_disconnect+0x340/0x960 drivers/usb/core/hub.c:2316 hub_port_connect drivers/usb/core/hub.c:5371 [inline] hub_port_connect_change drivers/usb/core/hub.c:5671 [inline] port_event drivers/usb/core/hub.c:5831 [inline] hub_event+0x1d2a/0x50f0 drivers/usb/core/hub.c:5913 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245