syzbot

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ODEBUG: free active (active state 0) object: ffff88807b3ed160 object type: work_struct hint: usbnet_deferred_kevent+0x0/0xdd0 drivers/net/usb/usbnet.c:669
WARNING: CPU: 1 PID: 5152 at lib/debugobjects.c:514 debug_print_object+0x1a0/0x2d0 lib/debugobjects.c:514
Modules linked in:
CPU: 1 PID: 5152 Comm: kworker/1:6 Not tainted 6.4.0-syzkaller-01406-ge8f75c0270d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object+0x1a0/0x2d0 lib/debugobjects.c:514
Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 bc 00 00 00 48 8b 14 dd e0 62 a7 8a 50 4c 89 e6 48 c7 c7 40 56 a7 8a e8 60 89 33 fd <0f> 0b 58 83 05 2a a4 62 0a 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc900049bf520 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff88801f835940 RSI: ffffffff814c1287 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000088108 R12: ffffffff8aa75ca0
R13: ffffffff8a4b8a40 R14: ffff88802244e8d8 R15: ffffffff8152cfe0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5391f685e8 CR3: 0000000027231000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:1032 [inline]
 debug_check_no_obj_freed+0x305/0x420 lib/debugobjects.c:1063
 slab_free_hook mm/slub.c:1756 [inline]
 slab_free_freelist_hook+0xeb/0x1c0 mm/slub.c:1807
 slab_free mm/slub.c:3786 [inline]
 __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3799
 kvfree+0x46/0x50 mm/util.c:650
 device_release+0xa3/0x240 drivers/base/core.c:2484
 kobject_cleanup lib/kobject.c:683 [inline]
 kobject_release lib/kobject.c:714 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c2/0x4d0 lib/kobject.c:731
 put_device+0x1f/0x30 drivers/base/core.c:3733
 free_netdev+0x441/0x620 net/core/dev.c:10777
 usbnet_disconnect+0x26b/0x510 drivers/net/usb/usbnet.c:1637
 usb_unbind_interface+0x1dc/0x8e0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x11f/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1270 [inline]
 device_release_driver_internal+0x443/0x610 drivers/base/dd.c:1293
 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574
 device_del+0x399/0xa30 drivers/base/core.c:3814
 usb_disable_device+0x360/0x7b0 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+0x1fbf/0x4e40 drivers/usb/core/hub.c:5793
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2408
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2555
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>