------------[ cut here ]------------ URB ffff8880293b0200 submitted while active WARNING: CPU: 0 PID: 9 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events wdm_rxwork RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379 Code: 44 89 f2 e8 c1 c4 00 fa e9 13 fc ff ff e8 d7 db 93 fa c6 05 ac b0 61 08 01 90 48 c7 c7 c0 fb 34 8c 48 89 de e8 60 7a 57 fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 b1 db 93 fa eb 11 e8 aa db 93 fa bd RSP: 0018:ffffc900000e79b8 EFLAGS: 00010246 RAX: 65373120a46fe300 RBX: ffff8880293b0200 RCX: ffff88801ce90000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 0000000000000001 R08: ffffffff8fa38a37 R09: 1ffffffff1f47146 R10: dffffc0000000000 R11: fffffbfff1f47147 R12: dffffc0000000000 R13: 1ffff1100f51e912 R14: ffff8880293b0208 R15: 0000000000000cc0 FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f55754e0300 CR3: 0000000078082000 CR4: 00000000003526f0 Call Trace: wdm_rxwork+0x101/0x1e0 drivers/usb/class/cdc-wdm.c:995 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245