usb 2-1: USB disconnect, device number 23
------------[ cut here ]------------
!work->func
WARNING: kernel/workqueue.c:4288 at __flush_work+0xb43/0xc50 kernel/workqueue.c:4288, CPU#0: kworker/0:0/9
Modules linked in:
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__flush_work+0xb43/0xc50 kernel/workqueue.c:4288
Code: 75 54 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 82 2b 20 0a cc e8 dc d9 37 00 90 0f 0b 90 e9 7c ff ff ff e8 ce d9 37 00 90 <0f> 0b 90 31 c0 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 64 ff ff ff e8 b4
RSP: 0000:ffffc900000e7040 EFLAGS: 00010283
RAX: ffffffff818dae32 RBX: 1ffff1100b512f1c RCX: 0000000000100000
RDX: ffffc9001ace2000 RSI: 00000000000055e5 RDI: 00000000000055e6
RBP: ffffc900000e71f8 R08: ffffffff90112bb7 R09: 1ffffffff2022576
R10: dffffc0000000000 R11: fffffbfff2022577 R12: dffffc0000000000
R13: ffff88805a8978e0 R14: 1ffff9200001ce10 R15: ffff88805a8978c8
FS:  0000000000000000(0000) GS:ffff888125472000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080103018 CR3: 000000000e54c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __cancel_work_sync+0xbe/0x110 kernel/workqueue.c:4447
 asus_remove+0x143/0x180 drivers/hid/hid-asus.c:1354
 hid_device_remove+0x228/0x370 drivers/hid/hid-core.c:-1
 device_remove drivers/base/dd.c:571 [inline]
 __device_release_driver drivers/base/dd.c:1284 [inline]
 device_release_driver_internal+0x46f/0x860 drivers/base/dd.c:1307
 bus_remove_device+0x34d/0x440 drivers/base/bus.c:616
 device_del+0x527/0x8f0 drivers/base/core.c:3878
 hid_remove_device drivers/hid/hid-core.c:3008 [inline]
 hid_destroy_device+0x6b/0x1b0 drivers/hid/hid-core.c:3030
 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1477
 usb_unbind_interface+0x26e/0x910 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:573 [inline]
 __device_release_driver drivers/base/dd.c:1284 [inline]
 device_release_driver_internal+0x4d9/0x860 drivers/base/dd.c:1307
 bus_remove_device+0x34d/0x440 drivers/base/bus.c:616
 device_del+0x527/0x8f0 drivers/base/core.c:3878
 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1418
 usb_disconnect+0x32f/0x990 drivers/usb/core/hub.c:2345
 hub_port_connect drivers/usb/core/hub.c:5407 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x1cc9/0x4f30 drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3275 [inline]
 process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
 worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>