------------[ cut here ]------------ URB ffff88804d316500 submitted while active WARNING: CPU: 0 PID: 5972 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 5972 Comm: kworker/0:3 Not tainted 6.14.0-rc5-syzkaller-00013-g99fa936e8e4f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events wdm_rxwork RIP: 0010:usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Code: fd eb cb bb fe ff ff ff e9 c1 f3 ff ff e8 6e 86 a6 fa c6 05 a4 92 37 09 01 90 48 c7 c7 c0 90 2f 8c 48 89 de e8 27 b5 66 fa 90 <0f> 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 91 f3 ff ff 48 89 ef RSP: 0018:ffffc90003727bb0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88804d316500 RCX: ffffffff817a1229 RDX: ffff888027fb8000 RSI: ffffffff817a1236 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000293 R13: ffff88804e876090 R14: ffff88804e876050 R15: ffff88801b09c000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c37d06d CR3: 0000000024fa2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wdm_rxwork+0xf3/0x200 drivers/usb/class/cdc-wdm.c:989 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244