------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 3607 at lib/debugobjects.c:502 debug_print_object+0x16e/0x250 lib/debugobjects.c:502
Modules linked in:
CPU: 1 PID: 3607 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller-13616-gf41445645ab5 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:502
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd e0 f0 48 8a 4c 89 ee 48 c7 c7 80 e4 48 8a e8 43 75 38 05 <0f> 0b 83 05 c5 f6 dd 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc900036af6c0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: ffff888015c2bb00 RSI: ffffffff8161f148 RDI: fffff520006d5eca
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff89ef0180
R13: ffffffff8a48eb40 R14: ffffffff816b2310 R15: 1ffff920006d5ee3
FS:  0000000000000000(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000057f42efc CR3: 00000000218ab000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 debug_object_assert_init lib/debugobjects.c:892 [inline]
 debug_object_assert_init+0x1f4/0x2e0 lib/debugobjects.c:863
 debug_timer_assert_init kernel/time/timer.c:792 [inline]
 debug_assert_init kernel/time/timer.c:837 [inline]
 del_timer+0x6d/0x110 kernel/time/timer.c:1257
 try_to_grab_pending+0x6d/0xd0 kernel/workqueue.c:1275
 __cancel_work_timer+0xa6/0x570 kernel/workqueue.c:3121
 mgmt_index_removed+0x187/0x2e0 net/bluetooth/mgmt.c:8939
 hci_unregister_dev+0x34f/0x4e0 net/bluetooth/hci_core.c:2688
 vhci_release+0x7c/0xf0 drivers/bluetooth/hci_vhci.c:568
 __fput+0x277/0x9d0 fs/file_table.c:320
 task_work_run+0xdd/0x1a0 kernel/task_work.c:177
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xad5/0x29b0 kernel/exit.c:795
 do_group_exit+0xd2/0x2f0 kernel/exit.c:925
 get_signal+0x238c/0x2610 kernel/signal.c:2857
 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f23549
Code: Unable to access opcode bytes at RIP 0xf7f2351f.
RSP: 002b:00000000ffb4bb1c EFLAGS: 00000292 ORIG_RAX: 000000000000000a
RAX: 0000000000000000 RBX: 00000000ffb4bbc0 RCX: 00000000f6eaf574
RDX: 00000000f6f37000 RSI: 0000000000000000 RDI: 00000000f6eaf53e
RBP: 00000000ffb4bbc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>