syzbot

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ODEBUG: free active (active state 0) object: ffff88811a9c37b0 object type: timer_list hint: rtl_ips_nic_off_wq_callback+0x0/0x680 drivers/net/wireless/realtek/rtlwifi/ps.c:283
WARNING: CPU: 0 PID: 5805 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:

CPU: 0 UID: 0 PID: 5805 Comm: kworker/0:4 Not tainted 6.15.0-rc1-syzkaller-00068-g169263214645 #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 80 5f 68 87 4c 89 e6 48 c7 c7 00 54 68 87 e8 df 8e bc fe 90 <0f> 0b 90 90 58 83 05 a6 3e f5 07 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc9000142f3c8 EFLAGS: 00010286

RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff813fcc28
RDX: ffff88810df10000 RSI: ffffffff813fcc35 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff87685aa0
R13: ffffffff874ade80 R14: ffffffff843877d0 R15: ffffc9000142f4c8
FS:  0000000000000000(0000) GS:ffff8882691d3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f284f9ee01e CR3: 0000000117c72000 CR4: 00000000003506f0
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+0x4b7/0x600 lib/debugobjects.c:1129
 free_pages_prepare mm/page_alloc.c:1269 [inline]
 __free_pages_ok+0x2a8/0xcc0 mm/page_alloc.c:1437
 __folio_put+0x1e7/0x2d0 mm/swap.c:112
 device_release+0xa1/0x240 drivers/base/core.c:2568
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1e4/0x5a0 lib/kobject.c:737
 put_device+0x1f/0x30 drivers/base/core.c:3774
 rtl_usb_disconnect+0x2b3/0x3a0 drivers/net/wireless/realtek/rtlwifi/usb.c:1077
 usb_unbind_interface+0x1da/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:1273 [inline]
 device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1296
 bus_remove_device+0x22f/0x420 drivers/base/bus.c:579
 device_del+0x396/0x9f0 drivers/base/core.c:3855
 usb_disable_device+0x355/0x7d0 drivers/usb/core/message.c:1418
 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2316
 hub_port_connect drivers/usb/core/hub.c:5375 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5675 [inline]
 port_event drivers/usb/core/hub.c:5835 [inline]
 hub_event+0x1aa0/0x5030 drivers/usb/core/hub.c:5917
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:464