syzbot

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ODEBUG: free active (active state 0) object: ffff88811ceb1a30 object type: timer_list hint: tpt_trig_timer+0x0/0x300 net/mac80211/led.c:145
WARNING: CPU: 1 PID: 1116 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:
CPU: 1 UID: 0 PID: 1116 Comm: kworker/1:2 Not tainted 6.16.0-rc7-syzkaller-g51d4b0a44c82 #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 41 56 48 8b 14 dd a0 1c 69 87 4c 89 e6 48 c7 c7 20 11 69 87 e8 5f a2 b6 fe 90 <0f> 0b 90 90 58 83 05 a6 0f f1 07 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90001b7f488 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffc9001015b000
RDX: 0000000000100000 RSI: ffffffff81409b65 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000052ed0 R12: ffffffff876917c0
R13: ffffffff874b08a0 R14: ffffffff870ddcd0 R15: ffffc90001b7f588
FS:  0000000000000000(0000) GS:ffff888269260000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4748dab60 CR3: 00000001253e8000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
 debug_check_no_obj_freed+0x4b7/0x600 lib/debugobjects.c:1129
 slab_free_hook mm/slub.c:2312 [inline]
 slab_free mm/slub.c:4643 [inline]
 kfree+0x2d4/0x470 mm/slub.c:4842
 ieee80211_led_exit+0x162/0x1c0 net/mac80211/led.c:210
 ieee80211_unregister_hw+0x27e/0x3a0 net/mac80211/main.c:1708
 rt2x00lib_remove_hw drivers/net/wireless/ralink/rt2x00/rt2x00dev.c:1085 [inline]
 rt2x00lib_remove_dev+0x55b/0x670 drivers/net/wireless/ralink/rt2x00/rt2x00dev.c:1550
 rt2x00usb_disconnect+0x71/0x240 drivers/net/wireless/ralink/rt2x00/rt2x00usb.c:872
 usb_unbind_interface+0x1dd/0x9a0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x122/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1295
 bus_remove_device+0x22f/0x420 drivers/base/bus.c:579
 device_del+0x396/0x9f0 drivers/base/core.c:3881
 usb_disable_device+0x355/0x7d0 drivers/usb/core/message.c:1418
 usb_disconnect+0x2e1/0x9c0 drivers/usb/core/hub.c:2344
 hub_port_connect drivers/usb/core/hub.c:5406 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
 port_event drivers/usb/core/hub.c:5870 [inline]
 hub_event+0x1aa2/0x5060 drivers/usb/core/hub.c:5952
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5b3/0x6c0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>