------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 11230 at lib/debugobjects.c:508 debug_print_object lib/debugobjects.c:505 [inline]
WARNING: CPU: 1 PID: 11230 at lib/debugobjects.c:508 debug_object_assert_init+0x1fa/0x250 lib/debugobjects.c:895
Modules linked in:
CPU: 1 PID: 11230 Comm: syz-executor.5 Not tainted 5.17.0-rc5-syzkaller-00006-g917bbdb107f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_print_object lib/debugobjects.c:505 [inline]
RIP: 0010:debug_object_assert_init+0x1fa/0x250 lib/debugobjects.c:895
Code: e8 1b 0c b2 fd 4c 8b 45 00 48 c7 c7 60 7c d6 8a 48 c7 c6 c0 78 d6 8a 48 c7 c2 a0 7e d6 8a 31 c9 49 89 d9 31 c0 e8 f6 d4 2e fd <0f> 0b ff 05 fa f9 df 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc900105b79b8 EFLAGS: 00010046
RAX: 56a2dc115a93f500 RBX: 0000000000000000 RCX: ffff88807d200000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8a71abe0 R08: ffffffff816b1022 R09: ffffed1017364f24
R10: ffffed1017364f24 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880157a7200 R14: 0000000000000002 R15: ffffffff90e3d9c0
FS:  0000555556305400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d023000 CR3: 0000000076579000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 debug_timer_assert_init kernel/time/timer.c:739 [inline]
 debug_assert_init kernel/time/timer.c:784 [inline]
 del_timer+0xa5/0x3d0 kernel/time/timer.c:1204
 try_to_grab_pending+0x151/0xbb0 kernel/workqueue.c:1285
 __cancel_work kernel/workqueue.c:3268 [inline]
 cancel_delayed_work+0xb3/0x380 kernel/workqueue.c:3297
 l2cap_clear_timer include/net/bluetooth/l2cap.h:883 [inline]
 l2cap_chan_del+0x411/0x610 net/bluetooth/l2cap_core.c:665
 l2cap_sock_shutdown+0x41e/0x880 net/bluetooth/l2cap_sock.c:1377
 l2cap_sock_release+0x68/0x1c0 net/bluetooth/l2cap_sock.c:1420
 __sock_release net/socket.c:650 [inline]
 sock_close+0xd8/0x260 net/socket.c:1318
 __fput+0x3fc/0x870 fs/file_table.c:317
 task_work_run+0x146/0x1c0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x209/0x220 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:300
 do_syscall_64+0x53/0xd0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7efff23fec9b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffcc4ca6830 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007efff23fec9b
RDX: ffffffffffffffb8 RSI: 00007efff21c3e20 RDI: 0000000000000004
RBP: 00007efff2560960 R08: 0000000000000000 R09: 00000000b25697f3
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000005cbac
R13: 00007ffcc4ca6930 R14: 00007ffcc4ca6950 R15: 0000000000000032
 </TASK>