usb 6-1: USB disconnect, device number 64 ------------[ cut here ]------------ remove_proc_entry: removing non-empty directory 'scsi/ums-sddr09', leaking at least '2' WARNING: CPU: 1 PID: 5239 at fs/proc/generic.c:718 remove_proc_entry+0x361/0x460 fs/proc/generic.c:718 Modules linked in: CPU: 1 PID: 5239 Comm: kworker/1:3 Not tainted 6.2.0-syzkaller-13467-g0988a0ea7919 #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+0x361/0x460 fs/proc/generic.c:718 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 be 00 00 00 49 8b 94 24 d8 00 00 00 48 c7 c6 c0 cb 53 86 48 c7 c7 e0 ca 53 86 e8 1f 2b 71 ff <0f> 0b e9 6d fe ff ff e8 73 c6 a5 ff 48 c7 c7 c0 e0 c0 87 e8 47 b3 RSP: 0018:ffffc90001807658 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff92000300ecd RCX: ffffc9000c78d000 RDX: 0000000000040000 RSI: ffffffff811664f7 RDI: 0000000000000001 RBP: ffff88811fbb7640 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8881001aedc0 R13: ffff88811fbb76f8 R14: ffff888108dee708 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e325000 CR3: 0000000116717000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: scsi_proc_hostdir_rm+0x107/0x280 drivers/scsi/scsi_proc.c:206 scsi_host_dev_release+0xc9/0x3b0 drivers/scsi/hosts.c:345 device_release+0xa3/0x240 drivers/base/core.c:2436 kobject_cleanup lib/kobject.c:681 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1c2/0x4d0 lib/kobject.c:729 put_device+0x1f/0x30 drivers/base/core.c:3697 usb_unbind_interface+0x1dc/0x8e0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:542 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:534 __device_release_driver drivers/base/dd.c:1240 [inline] device_release_driver_internal+0x443/0x610 drivers/base/dd.c:1263 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574 device_del+0x48a/0xb80 drivers/base/core.c:3775 usb_disable_device+0x35a/0x7b0 drivers/usb/core/message.c:1420 usb_disconnect+0x2db/0x8a0 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+0x2073/0x4ed0 drivers/usb/core/hub.c:5793 process_one_work+0x9bf/0x1820 kernel/workqueue.c:2390 worker_thread+0x669/0x1090 kernel/workqueue.c:2537 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308