------------[ cut here ]------------ URB ffff88814c278100 submitted while active WARNING: CPU: 0 PID: 9 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfa8/0x1870 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-syzkaller-01972-g914873bc7df9 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events wdm_rxwork RIP: 0010:usb_submit_urb+0xfa8/0x1870 drivers/usb/core/urb.c:379 Code: 00 eb 5c e8 6a 15 a4 fa e9 09 f1 ff ff e8 60 15 a4 fa c6 05 65 07 6e 08 01 90 48 c7 c7 e0 e6 32 8c 48 89 de e8 e9 15 68 fa 90 <0f> 0b 90 90 e9 d0 f0 ff ff e8 3a 15 a4 fa eb 11 e8 33 15 a4 fa bd RSP: 0018:ffffc900000e7a58 EFLAGS: 00010246 RAX: d2b4671c96f47d00 RBX: ffff88814c278100 RCX: ffff88801d280000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa644 R12: ffff88806c44a090 R13: dffffc0000000000 R14: ffff88814c278108 R15: 0000000000000cc0 FS: 0000000000000000(0000) GS:ffff888125c91000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc3bc8e0300 CR3: 0000000025624000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wdm_rxwork+0x101/0x1e0 drivers/usb/class/cdc-wdm.c:1000 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4e/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245