WARNING: ODEBUG bug in usb_unbind

Kernel	Title	Rank 🛈	Repro	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	WARNING: ODEBUG bug in usb_unbind_interface	-1			1	843d	843d	0/3	auto-obsoleted due to no activity on 2023/10/23 02:13
upstream	WARNING: ODEBUG bug in usb_unbind_interface (3) usb	-1			5	65d	183d	0/29	upstream: reported on 2025/05/05 14:07
upstream	WARNING: ODEBUG bug in usb_unbind_interface net usb	-1			1	1128d	1124d	0/29	auto-obsoleted due to no activity on 2023/01/31 14:08
upstream	WARNING: ODEBUG bug in usb_unbind_interface (2) usb	-1			41	302d	593d	0/29	auto-obsoleted due to no activity on 2025/04/16 08:55
linux-6.1	WARNING: ODEBUG bug in usb_unbind_interface (2)	-1			1	494d	494d	0/3	auto-obsoleted due to no activity on 2024/10/06 11:53
linux-5.15	WARNING: ODEBUG bug in usb_unbind_interface origin:lts-only	-1	syz	inconclusive	2	427d	806d	0/3	auto-obsoleted due to no activity on 2024/12/12 13:34

------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: work_struct hint: usbnet_deferred_kevent+0x0/0xc10 WARNING: CPU: 0 PID: 4332 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 0 PID: 4332 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:979 [inline] WARNING: CPU: 0 PID: 4332 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x38e/0x4e0 lib/debugobjects.c:1009 Modules linked in: CPU: 0 PID: 4332 Comm: kworker/0:8 Not tainted 6.1.116-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline] RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:979 [inline] RIP: 0010:debug_check_no_obj_freed+0x38e/0x4e0 lib/debugobjects.c:1009 Code: ef e8 36 4e a3 fd 4c 8b 45 00 48 c7 c7 20 81 5d 8b 48 c7 c6 e0 7d 5d 8b 48 c7 c2 80 82 5d 8b 8b 0c 24 49 89 d9 e8 72 df 13 fd <0f> 0b ff 05 72 76 5b 0a 48 83 c5 30 48 89 e8 48 c1 e8 03 48 b9 00 RSP: 0018:ffffc9000470f418 EFLAGS: 00010246 RAX: 5b1f4e2000697e00 RBX: ffffffff86553580 RCX: 0000000000100000 RDX: ffffc9001751d000 RSI: 0000000000045993 RDI: 0000000000045994 RBP: ffffffff8b0b3640 R08: ffffffff8152a88e R09: fffff520008e1de5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888060869160 R13: ffffffff9757ab98 R14: ffff88806086a000 R15: ffff88805d1e2288 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe7fd99358 CR3: 000000000d08e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 000000000000000a DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> slab_free_hook mm/slub.c:1699 [inline] slab_free_freelist_hook mm/slub.c:1750 [inline] slab_free mm/slub.c:3661 [inline] __kmem_cache_free+0x205/0x3c0 mm/slub.c:3674 device_release+0x91/0x1c0 kobject_cleanup lib/kobject.c:681 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x224/0x460 lib/kobject.c:729 usb_unbind_interface+0x1cd/0x840 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:550 [inline] __device_release_driver drivers/base/dd.c:1260 [inline] device_release_driver_internal+0x59e/0x880 drivers/base/dd.c:1286 bus_remove_device+0x2e5/0x400 drivers/base/bus.c:531 device_del+0x6e2/0xbd0 drivers/base/core.c:3877 usb_disable_device+0x3b8/0x840 drivers/usb/core/message.c:1414 usb_disconnect+0x33c/0x8c0 drivers/usb/core/hub.c:2275 hub_port_connect drivers/usb/core/hub.c:5321 [inline] hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] port_event drivers/usb/core/hub.c:5773 [inline] hub_event+0x1f78/0x5730 drivers/usb/core/hub.c:5855 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK>