syzbot

asix 4-1:0.0 eth9: register 'asix' at usb-dummy_hcd.3-1, ASIX AX88178 USB 2.0 Ethernet, aa:aa:aa:aa:aa:bb
usb 4-1: USB disconnect, device number 19
asix 4-1:0.0 eth9: unregister 'asix' usb-dummy_hcd.3-1, ASIX AX88178 USB 2.0 Ethernet
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ODEBUG: free active (active state 0) object: ffff88807dbc51a0 object type: work_struct hint: usbnet_deferred_kevent+0x0/0xc20 drivers/net/usb/usbnet.c:1604
WARNING: CPU: 0 PID: 5886 at lib/debugobjects.c:615 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:612
Modules linked in:
CPU: 0 UID: 0 PID: 5886 Comm: kworker/0:3 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:612
Code: e8 eb 1e 3f fd 4c 8b 0b 48 c7 c7 80 58 60 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 1b 2e 99 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 f8 00 60 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc900040bf238 EFLAGS: 00010282
RAX: e04606b8fc55d200 RBX: ffffffff8c09f800 RCX: 0000000000100000
RDX: ffffc9001916f000 RSI: 00000000000139a7 RDI: 00000000000139a8
RBP: ffffffff8c605a00 R08: ffffffff8155e352 R09: fffffbfff1cfa88c
R10: dffffc0000000000 R11: fffffbfff1cfa88c R12: 0000000000000000
R13: ffffffff8c605918 R14: dffffc0000000000 R15: ffff88807dbc51a0
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557d3005c8 CR3: 000000000e738000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
 debug_check_no_obj_freed+0x45b/0x580 lib/debugobjects.c:1129
 slab_free_hook mm/slub.c:2273 [inline]
 slab_free mm/slub.c:4579 [inline]
 kfree+0x11f/0x440 mm/slub.c:4727
 device_release+0x99/0x1c0
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x22f/0x480 lib/kobject.c:737
 usb_unbind_interface+0x25e/0x940 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1273 [inline]
 device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:576
 device_del+0x57a/0x9b0 drivers/base/core.c:3861
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2304
 hub_port_connect drivers/usb/core/hub.c:5361 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x1ebc/0x5150 drivers/usb/core/hub.c:5903
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>