usb 6-1: USB disconnect, device number 18
------------[ cut here ]------------
!work->func
WARNING: kernel/workqueue.c:4331 at __flush_work+0xc98/0xda0 kernel/workqueue.c:4331, CPU#1: kworker/1:0/32
Modules linked in:
CPU: 1 UID: 0 PID: 32 Comm: kworker/1:0 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__flush_work+0xc98/0xda0 kernel/workqueue.c:4331
Code: e8 1d 79 13 00 48 c7 c7 60 ac 1c 8e 48 89 de e9 44 ff ff ff e8 29 c7 37 00 90 0f 0b 90 31 c0 e9 45 ff ff ff e8 19 c7 37 00 90 <0f> 0b 90 31 c0 49 bc 00 00 00 00 00 fc ff df e9 2b ff ff ff e8 ff
RSP: 0018:ffffc90000a6ef60 EFLAGS: 00010287
RAX: ffffffff818dd387 RBX: 1ffff9200014ddf4 RCX: 0000000000100000
RDX: ffffc90014809000 RSI: 0000000000004efe RDI: 0000000000004eff
RBP: ffffc90000a6f118 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f5d99f R12: 1ffff11006325a1e
R13: ffff88803192d0f0 R14: ffff88803192d0d8 R15: f8f8f8f8f8f8f8f8
FS:  0000000000000000(0000) GS:ffff888125d7e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f29c8efa540 CR3: 0000000035dec000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __cancel_work_sync+0xbe/0x110 kernel/workqueue.c:4490
 asus_remove+0x13f/0x170 drivers/hid/hid-asus.c:1366
 hid_device_remove+0x22b/0x370 drivers/hid/hid-core.c:-1
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x46f/0x870 drivers/base/dd.c:1372
 bus_remove_device+0x45a/0x570 drivers/base/bus.c:664
 device_del+0x52b/0x900 drivers/base/core.c:3961
 hid_remove_device drivers/hid/hid-core.c:3064 [inline]
 hid_destroy_device+0x6b/0x1b0 drivers/hid/hid-core.c:3086
 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1479
 usb_unbind_interface+0x26e/0x910 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:618 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x4d9/0x870 drivers/base/dd.c:1372
 bus_remove_device+0x45a/0x570 drivers/base/bus.c:664
 device_del+0x52b/0x900 drivers/base/core.c:3961
 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478
 usb_disconnect+0x315/0x970 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+0x1cf9/0x4f60 drivers/usb/core/hub.c:5953
 process_one_work+0x98b/0x1630 kernel/workqueue.c:3318
 process_scheduled_works kernel/workqueue.c:3401 [inline]
 worker_thread+0xb49/0x1140 kernel/workqueue.c:3482
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>