------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 25811 at lib/debugobjects.c:508 debug_print_object lib/debugobjects.c:505 [inline]
WARNING: CPU: 1 PID: 25811 at lib/debugobjects.c:508 debug_object_assert_init+0x1fa/0x250 lib/debugobjects.c:895
Modules linked in:
CPU: 1 PID: 25811 Comm: syz-executor.1 Not tainted 5.15.0-rc5-syzkaller #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 5b 17 b8 fd 4c 8b 45 00 48 c7 c7 a0 2f b4 8a 48 c7 c6 00 2c b4 8a 48 c7 c2 e0 31 b4 8a 31 c9 49 89 d9 31 c0 e8 86 ca 36 fd <0f> 0b ff 05 ca 56 c5 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc900054d79b8 EFLAGS: 00010046
RAX: 23342c8b8774a800 RBX: 0000000000000000 RCX: ffff88809acf5580
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8a512d00 R08: ffffffff81693402 R09: ffffed10173a3f2c
R10: ffffed10173a3f2c R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88803a11f200 R14: 0000000000000006 R15: ffffffff90b8ab48
FS:  0000555556318400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31923000 CR3: 000000003dacf000 CR4: 00000000003526e0
Call Trace:
 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:1270
 __cancel_work kernel/workqueue.c:3258 [inline]
 cancel_delayed_work+0xb3/0x380 kernel/workqueue.c:3287
 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:1347
 l2cap_sock_release+0x68/0x1c0 net/bluetooth/l2cap_sock.c:1390
 __sock_release net/socket.c:649 [inline]
 sock_close+0xd8/0x260 net/socket.c:1314
 __fput+0x3fe/0x870 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [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: 0033:0x7f7f2623967b
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:00007fff9b69f7e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f7f2623967b
RDX: ffffffffffffffbc RSI: 00007f7f260086f0 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b31922e14
R10: 0000000000000830 R11: 0000000000000293 R12: 00007f7f2638ab60
R13: 00007f7f2638ab60 R14: 00007f7f26389f60 R15: 00000000000a527a