asus 0003:0B05:19B6.0002: unknown main item tag 0x0
asus 0003:0B05:19B6.0002: hidraw0: USB HID v0.03 Device [HID 0b05:19b6] on usb-dummy_hcd.3-1/input0
usb 4-1: USB disconnect, device number 4
------------[ cut here ]------------
!work->func
WARNING: kernel/workqueue.c:4335 at __flush_work+0xb8f/0xca0 kernel/workqueue.c:4335, CPU#1: kworker/1:3/5359
Modules linked in:
CPU: 1 UID: 0 PID: 5359 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__flush_work+0xb8f/0xca0 kernel/workqueue.c:4335
Code: 75 5e 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c6 21 45 0a cc e8 20 cd 38 00 90 0f 0b 90 e9 7c ff ff ff e8 12 cd 38 00 90 <0f> 0b 90 31 c0 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 64 ff ff ff e8 f8
RSP: 0018:ffffc900035fef40 EFLAGS: 00010283
RAX: ffffffff818da46e RBX: ffff888054fe18f0 RCX: 0000000000100000
RDX: ffffc90019b09000 RSI: 00000000000068a1 RDI: 00000000000068a2
RBP: ffffc900035ff100 R08: ffffffff905786f7 R09: 1ffffffff20af0de
R10: dffffc0000000000 R11: fffffbfff20af0df R12: dffffc0000000000
R13: 1ffff1100a9fc31e R14: 1ffff920006bfdf0 R15: ffff888054fe18d8
FS:  0000000000000000(0000) GS:ffff888125054000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb69268b000 CR3: 00000000752d0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __cancel_work_sync+0xbe/0x110 kernel/workqueue.c:4494
 asus_remove+0x147/0x180 drivers/hid/hid-asus.c:1360
 hid_device_remove+0x230/0x370 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+0x48b/0x880 drivers/base/dd.c:1372
 bus_remove_device+0x444/0x560 drivers/base/bus.c:664
 device_del+0x524/0x8f0 drivers/base/core.c:3961
 hid_remove_device drivers/hid/hid-core.c:3071 [inline]
 hid_destroy_device+0x6b/0x1b0 drivers/hid/hid-core.c:3093
 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1479
 usb_unbind_interface+0x295/0x9f0 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+0x4f5/0x880 drivers/base/dd.c:1372
 bus_remove_device+0x444/0x560 drivers/base/bus.c:664
 device_del+0x524/0x8f0 drivers/base/core.c:3961
 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478
 usb_disconnect+0x346/0x9a0 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+0x1bbb/0x4d30 drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 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>