usb 3-1: USB disconnect, device number 65
cdc_ncm 3-1:1.0 usb0: unregister 'cdc_ncm' usb-dummy_hcd.2-1, CDC NCM (NO ZLP)
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ODEBUG: free active (active state 0) object: ffff88801c1d9160 object type: work_struct hint: usbnet_deferred_kevent+0x0/0xb90 drivers/net/usb/usbnet.c:671
WARNING: CPU: 0 PID: 29143 at lib/debugobjects.c:509 debug_print_object+0x194/0x2c0 lib/debugobjects.c:509
Modules linked in:
CPU: 0 PID: 29143 Comm: kworker/0:6 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object+0x194/0x2c0 lib/debugobjects.c:509
Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 c7 00 00 00 48 8b 14 dd 20 cc a6 8a 50 4c 89 ee 48 c7 c7 e0 bf a6 8a e8 fc f2 af 05 <0f> 0b 58 83 05 be c9 63 0a 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc900153df520 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff8166721c RDI: fffff52002a7be96
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8a4b6f80
R13: ffffffff8aa6c4e0 R14: ffff888020d77d00 R15: ffffffff81519c80
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f073d6c01c0 CR3: 0000000049d2d000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:996 [inline]
 debug_check_no_obj_freed+0x305/0x420 lib/debugobjects.c:1027
 slab_free_hook mm/slub.c:1756 [inline]
 slab_free_freelist_hook+0xeb/0x1c0 mm/slub.c:1807
 slab_free mm/slub.c:3787 [inline]
 __kmem_cache_free+0xaf/0x3b0 mm/slub.c:3800
 kvfree+0x46/0x50 mm/util.c:627
 device_release+0xa3/0x240 drivers/base/core.c:2331
 kobject_cleanup lib/kobject.c:673 [inline]
 kobject_release lib/kobject.c:704 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c2/0x4d0 lib/kobject.c:721
 put_device+0x1f/0x30 drivers/base/core.c:3586
 free_netdev+0x43c/0x620 net/core/dev.c:10733
 usbnet_disconnect+0x270/0x300 drivers/net/usb/usbnet.c:1632
 usb_unbind_interface+0x1dc/0x8e0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:550 [inline]
 device_remove+0x11f/0x170 drivers/base/dd.c:542
 __device_release_driver drivers/base/dd.c:1253 [inline]
 device_release_driver_internal+0x4a5/0x700 drivers/base/dd.c:1279
 bus_remove_device+0x2e7/0x5a0 drivers/base/bus.c:529
 device_del+0x4f7/0xc80 drivers/base/core.c:3666
 usb_disable_device+0x35a/0x7b0 drivers/usb/core/message.c:1420
 usb_disconnect.cold+0x259/0x6ed drivers/usb/core/hub.c:2235
 hub_port_connect drivers/usb/core/hub.c:5244 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5549 [inline]
 port_event drivers/usb/core/hub.c:5709 [inline]
 hub_event+0x1fb5/0x4810 drivers/usb/core/hub.c:5791
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>