syzbot

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WARNING: kernel/workqueue.c:5701 at __alloc_workqueue+0x11e2/0x1880 kernel/workqueue.c:5701, CPU#0: kworker/0:7/6980
Modules linked in:
CPU: 0 UID: 0 PID: 6980 Comm: kworker/0:7 Not tainted syzkaller #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:__alloc_workqueue+0x11e2/0x1880 kernel/workqueue.c:5701
Code: 85 db 74 0d e8 6f 1b 33 00 48 89 df e8 97 6d 8c 00 e8 62 1b 33 00 48 8b 3c 24 e8 89 6d 8c 00 e9 b0 ee ff ff e8 4f 1b 33 00 90 <0f> 0b 90 e9 a2 ee ff ff e8 41 1b 33 00 48 8b 54 24 40 48 b8 00 00
RSP: 0018:ffffc90014ccedf0 EFLAGS: 00010287
RAX: 000000000004a856 RBX: 0000000000000003 RCX: ffffc9001182d000
RDX: 0000000000100000 RSI: ffffffff817e0fb1 RDI: ffff88811ebf1d40
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000002 R14: ffffffff87e41300 R15: ffffc90014ccee98
FS:  0000000000000000(0000) GS:ffff8882689db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1dc96956b8 CR3: 0000000114260000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 alloc_workqueue_noprof+0xd2/0x200 kernel/workqueue.c:5820
 rtw_usb_init_rx drivers/net/wireless/realtek/rtw88/usb.c:968 [inline]
 rtw_usb_probe+0x1143/0x2b30 drivers/net/wireless/realtek/rtw88/usb.c:1295
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x400 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x340 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1031
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x160 drivers/base/bus.c:574
 device_add+0x11d9/0x1950 drivers/base/core.c:3689
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x400 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x340 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1031
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x160 drivers/base/bus.c:574
 device_add+0x11d9/0x1950 drivers/base/core.c:3689
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x314d/0x4af0 drivers/usb/core/hub.c:5953
 process_one_work+0x9c2/0x1840 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
 kthread+0x3b3/0x730 kernel/kthread.c:463
 ret_from_fork+0x6c3/0xa20 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>