usb 4-1: SerialNumber: syz usb 4-1: config 0 descriptor?? ------------[ cut here ]------------ WARNING: kernel/workqueue.c:5701 at __alloc_workqueue+0x114c/0x1810 kernel/workqueue.c:5701, CPU#0: kworker/0:1/10 Modules linked in: CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 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+0x114c/0x1810 kernel/workqueue.c:5701 Code: e9 de fc ff ff 48 c7 44 24 08 e8 55 e8 88 e9 8f f6 ff ff 41 be 08 00 00 00 41 bd 00 04 00 00 e9 53 f1 ff ff e8 a5 9a 34 00 90 <0f> 0b 90 31 ed e9 af fc ff ff e8 95 9a 34 00 90 0f 0b 90 31 ed e9 RSP: 0018:ffffc900000aedf8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff814b4179 RDX: ffff888101ab1d40 RSI: ffffffff814b527b RDI: 0000000000000005 RBP: ffffc900000aef60 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: ffff888101ab27e8 R12: 0000000000000003 R13: 0000000000000000 R14: ffffffff87e3cc20 R15: ffffc900000aeea0 FS: 0000000000000000(0000) GS:ffff888268bf5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005596ee52fbf0 CR3: 00000001177cc000 CR4: 00000000003506f0 Call Trace: 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+0x13bf/0x2d10 drivers/net/wireless/realtek/rtw88/usb.c:1295 usb_probe_interface+0x303/0xa80 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x241/0xb20 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086 bus_probe_device+0x64/0x150 drivers/base/bus.c:574 device_add+0x116e/0x1980 drivers/base/core.c:3689 usb_set_configuration+0x1187/0x1e50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 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+0x241/0xb20 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086 bus_probe_device+0x64/0x150 drivers/base/bus.c:574 device_add+0x116e/0x1980 drivers/base/core.c:3689 usb_new_device+0xd07/0x1a90 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+0x31bf/0x5420 drivers/usb/core/hub.c:5953 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x74f/0xa30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246