------------[ cut here ]------------ URB ffff888062ab8600 submitted while active WARNING: CPU: 3 PID: 5381 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Modules linked in: CPU: 3 UID: 0 PID: 5381 Comm: kworker/3:3 Not tainted 6.12.0-rc3-syzkaller-00420-g715ca9dd687f #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 ee 2b be fa c6 05 f3 19 37 09 01 90 48 c7 c7 40 88 0c 8c 48 89 de e8 27 a9 7f 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:ffffc9000381fc20 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888062ab8600 RCX: ffffffff814e38b9 RDX: ffff888021f8c880 RSI: ffffffff814e38c6 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000293 R13: ffff888056f76090 R14: ffff888056f76050 R15: ffffc9000381fd80 FS: 0000000000000000(0000) GS:ffff88802b700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000031520218 CR3: 000000006548c000 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+0x958/0x1b30 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244