------------[ cut here ]------------ ODEBUG: free active (active state 0) object: ffff88811d2c3b40 object type: timer_list hint: rtl_ips_nic_off_wq_callback+0x0/0x630 drivers/net/wireless/realtek/rtlwifi/ps.c:283 WARNING: CPU: 1 PID: 5923 at lib/debugobjects.c:509 debug_print_object+0x194/0x2c0 lib/debugobjects.c:509 Modules linked in: CPU: 1 PID: 5923 Comm: kworker/1:7 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: usb_hub_wq hub_event RIP: 0010:debug_print_object+0x194/0x2c0 lib/debugobjects.c:509 Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 c7 00 00 00 48 8b 14 dd 60 21 63 86 50 4c 89 ee 48 c7 c7 20 15 63 86 e8 8a c4 b6 03 <0f> 0b 58 83 05 7e 47 c4 06 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e RSP: 0018:ffffc90001b4f590 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff888112519c00 RSI: ffffffff812d3e48 RDI: fffff52000369ea4 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff864a0c00 R13: ffffffff86631a20 R14: ffff8881108b81d8 R15: ffffffff81365a70 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbd1f06ddd0 CR3: 0000000116a7d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_check_no_obj_freed lib/debugobjects.c:996 [inline] debug_check_no_obj_freed+0x301/0x420 lib/debugobjects.c:1027 free_pages_prepare mm/page_alloc.c:1452 [inline] __free_pages_ok+0x388/0xe40 mm/page_alloc.c:1702 device_release+0x9f/0x240 drivers/base/core.c:2331 kobject_cleanup lib/kobject.c:673 [inline] kobject_release lib/kobject.c:704 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1be/0x4c0 lib/kobject.c:721 put_device+0x1b/0x30 drivers/base/core.c:3586 rtl_usb_disconnect+0x6bf/0x8e0 drivers/net/wireless/realtek/rtlwifi/usb.c:1125 usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:550 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:542 __device_release_driver drivers/base/dd.c:1253 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1279 bus_remove_device+0x2e3/0x590 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3666 usb_disable_device+0x356/0x7a0 drivers/usb/core/message.c:1420 usb_disconnect.cold+0x259/0x6ed drivers/usb/core/hub.c:2235 hub_port_connect drivers/usb/core/hub.c:5244 [inline] hub_port_connect_change drivers/usb/core/hub.c:5549 [inline] port_event drivers/usb/core/hub.c:5709 [inline] hub_event+0x1fb1/0x4810 drivers/usb/core/hub.c:5791 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308