ODEBUG: free active (active state 0) object: ffff888086c45180 object type: work_struct hint: usbnet_deferred_kevent+0x0/0xde0 drivers/net/usb/usbnet.c:616
WARNING: CPU: 0 PID: 15174 at lib/debugobjects.c:514 debug_print_object+0x1a3/0x2b0 lib/debugobjects.c:514
Modules linked in:
CPU: 0 PID: 15174 Comm: kworker/0:16 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object+0x1a3/0x2b0 lib/debugobjects.c:514
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 48 8b 14 dd e0 c6 6e 8b 41 56 4c 89 e6 48 c7 c7 40 ba 6e 8b e8 3e 24 d1 fc 90 <0f> 0b 90 90 58 83 05 b5 a8 1f 0b 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90014f8f478 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffc90012f67000
RDX: 0000000000040000 RSI: ffffffff8150f3f6 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff8b6ec0e0
R13: ffffffff8b0be3c0 R14: ffffffff86963410 R15: ffffc90014f8f588
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c02d639000 CR3: 000000007ab24000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
 debug_check_no_obj_freed+0x4b8/0x600 lib/debugobjects.c:1019
 slab_free_hook mm/slub.c:2078 [inline]
 slab_free mm/slub.c:4280 [inline]
 kfree+0x25e/0x370 mm/slub.c:4390
 kvfree+0x47/0x50 mm/util.c:680
 device_release+0xa4/0x240 drivers/base/core.c:2499
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1fd/0x5b0 lib/kobject.c:737
 put_device+0x1f/0x30 drivers/base/core.c:3747
 free_netdev+0x408/0x5f0 net/core/dev.c:10990
 usbnet_disconnect+0x240/0x500 drivers/net/usb/usbnet.c:1636
 usb_unbind_interface+0x1e3/0x8d0 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x125/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574
 device_del+0x39b/0xa50 drivers/base/core.c:3828
 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1416
 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1dbb/0x4e20 drivers/usb/core/hub.c:5865
 process_one_work+0x9ac/0x1a60 kernel/workqueue.c:3254
 process_scheduled_works kernel/workqueue.c:3335 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
 kthread+0x2c4/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>