------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 0 PID: 5521 at lib/debugobjects.c:505 debug_print_object+0x188/0x264 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 5521 Comm: syz-executor.0 Not tainted 5.11.0-rc5-syzkaller-00318-g8c947645151c #0
Hardware name: linux,dummy-virt (DT)
pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
pc : debug_print_object+0x188/0x264 lib/debugobjects.c:505
lr : debug_print_object+0x188/0x264 lib/debugobjects.c:505
sp : ffff00003208f420
x29: ffff00003208f420 x28: ffff00001904a000 
x27: ffff00001cbe1000 x26: ffff800018880000 
x25: ffff80001031ed00 x24: ffff800017040060 
x23: ffff800016b8b720 x22: 0000000000000005 
x21: ffff80001703f8a0 x20: ffff8000188802e0 
x19: ffff00003208f520 x18: ffff00006a391b48 
x17: 0000000000000000 x16: 0000000000000000 
x15: ffff80001a709810 x14: 1fffe00006411db0 
x13: 0000000000000000 x12: ffff60000d472384 
x11: 1fffe0000d472383 x10: ffff60000d472383 
x9 : dfff800000000000 x8 : ffff00006a391c1b 
x7 : 0000000000000001 x6 : 00009ffff2b8dc7d 
x5 : ffff00006a391c18 x4 : 1fffe0000254d671 
x3 : dfff800000000000 x2 : 0000000000000000 
x1 : 0000000000000000 x0 : ffff000012a6b380 
Call trace:
 debug_print_object+0x188/0x264 lib/debugobjects.c:505
 debug_object_assert_init lib/debugobjects.c:890 [inline]
 debug_object_assert_init+0x1e4/0x2d0 lib/debugobjects.c:861
 debug_timer_assert_init kernel/time/timer.c:737 [inline]
 debug_assert_init kernel/time/timer.c:782 [inline]
 del_timer+0x80/0x11c kernel/time/timer.c:1202
 try_to_grab_pending+0x60/0x5b0 kernel/workqueue.c:1252
 __cancel_work kernel/workqueue.c:3227 [inline]
 cancel_delayed_work+0x80/0x22c kernel/workqueue.c:3256
 l2cap_clear_timer include/net/bluetooth/l2cap.h:881 [inline]
 l2cap_chan_del+0x2cc/0x570 net/bluetooth/l2cap_core.c:661
 l2cap_chan_close+0xf4/0x88c net/bluetooth/l2cap_core.c:823
 l2cap_sock_shutdown+0x298/0xda0 net/bluetooth/l2cap_sock.c:1339
 l2cap_sock_release+0x70/0x23c net/bluetooth/l2cap_sock.c:1382
 __sock_release+0xa0/0x214 net/socket.c:597
 sock_close+0x1c/0x2c net/socket.c:1256
 __fput+0x1a0/0x6ac fs/file_table.c:280
 ____fput+0x14/0x20 fs/file_table.c:313
 task_work_run+0xd8/0x210 kernel/task_work.c:140
 get_signal+0x144/0x1930 kernel/signal.c:2554
 do_signal arch/arm64/kernel/signal.c:882 [inline]
 do_notify_resume+0x2b8/0x25fc arch/arm64/kernel/signal.c:936
 work_pending+0xc/0x35c