------------[ cut here ]------------
URB ffff888036839f00 submitted while active
WARNING: CPU: 0 PID: 5843 at drivers/usb/core/urb.c:380 usb_submit_urb+0xf8c/0x18b0 drivers/usb/core/urb.c:380
Modules linked in:
CPU: 0 UID: 0 PID: 5843 Comm: usb-storage Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:usb_submit_urb+0xf8c/0x18b0 drivers/usb/core/urb.c:380
Code: 00 00 00 e8 16 2c c4 fa e9 25 f1 ff ff e8 0c 2c c4 fa c6 05 06 33 8c 08 01 90 48 c7 c7 60 8f 12 8c 48 89 de e8 65 39 87 fa 90 <0f> 0b 90 90 e9 ec f0 ff ff e8 e6 2b c4 fa c6 05 97 6a a2 08 01 41
RSP: 0018:ffffc9000cc7f300 EFLAGS: 00010246
RAX: 4d285881075ded00 RBX: ffff888036839f00 RCX: ffff888033268000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000cc7f4d8 R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: 0000000000000c00
R13: ffff888059cf4fb0 R14: ffff888036839f08 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88808d300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a67a47c138 CR3: 0000000032dc0000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 usb_stor_msg_common+0x27c/0x4b0 drivers/usb/storage/transport.c:143
 usb_stor_bulk_transfer_buf+0x151/0x2a0 drivers/usb/storage/transport.c:395
 ene_send_scsi_cmd+0x10d/0x5f0 drivers/usb/storage/ene_ub6250.c:502
 ene_get_card_type drivers/usb/storage/ene_ub6250.c:1843 [inline]
 ene_init+0x14f/0x380 drivers/usb/storage/ene_ub6250.c:2197
 ene_transport+0x39b6/0x4660 drivers/usb/storage/ene_ub6250.c:2310
 usb_stor_invoke_transport+0x10a/0x19c0 drivers/usb/storage/transport.c:611
 usb_stor_control_thread+0x450/0x8e0 drivers/usb/storage/usb.c:462
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>