scsi host1: usb-storage 6-1:1.0
usb 6-1: USB disconnect, device number 3
------------[ cut here ]------------
remove_proc_entry: removing non-empty directory 'scsi/ums-sddr09', leaking at least '2'
WARNING: CPU: 1 PID: 6700 at fs/proc/generic.c:720 remove_proc_entry+0x55a/0x5c0 fs/proc/generic.c:718
Modules linked in:
CPU: 1 PID: 6700 Comm: kworker/1:15 Not tainted 6.3.0-rc2-syzkaller-00077-g38e04b3e4240 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:remove_proc_entry+0x55a/0x5c0 fs/proc/generic.c:718
Code: 80 3c 08 00 74 08 48 89 df e8 32 0a cb ff 4c 8b 03 48 c7 c7 40 2c f9 8a 48 c7 c6 33 02 82 8c 4c 89 ea 4c 89 f1 e8 c6 66 3d ff <0f> 0b 4c 8b 6c 24 10 e9 dc fe ff ff 89 d9 80 e1 07 38 c1 0f 8c ef
RSP: 0018:ffffc90004acf380 EFLAGS: 00010246
RAX: fbe0716369017c00 RBX: ffff888022c48718 RCX: 0000000000040000
RDX: ffffc90012d05000 RSI: 000000000000a374 RDI: 000000000000a375
RBP: ffffc90004acf468 R08: ffffffff81527d42 R09: fffff52000959de9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004589093
R13: ffff8880176c3c24 R14: ffff888022c484a4 R15: ffff888022c48498
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31128000 CR3: 000000005cd72000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 scsi_proc_hostdir_rm+0x18a/0x2d0 drivers/scsi/scsi_proc.c:206
 scsi_host_dev_release+0xd1/0x310 drivers/scsi/hosts.c:345
 device_release+0x95/0x1c0
 kobject_cleanup lib/kobject.c:681 [inline]
 kobject_release lib/kobject.c:712 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x228/0x470 lib/kobject.c:729
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:542 [inline]
 __device_release_driver drivers/base/dd.c:1240 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1263
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x681/0xb10 drivers/base/core.c:3775
 usb_disable_device+0x3bc/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2390
 process_scheduled_works kernel/workqueue.c:2453 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2539
 kthread+0x270/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>