------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 0 PID: 541 at lib/debugobjects.c:505 debug_print_object lib/debugobjects.c:502 [inline] WARNING: CPU: 0 PID: 541 at lib/debugobjects.c:505 debug_object_assert_init+0x1fa/0x250 lib/debugobjects.c:892 Modules linked in: CPU: 0 PID: 541 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:debug_print_object lib/debugobjects.c:502 [inline] RIP: 0010:debug_object_assert_init+0x1fa/0x250 lib/debugobjects.c:892 Code: e8 db 3a a3 fd 4c 8b 45 00 48 c7 c7 c0 5e 0a 8b 48 c7 c6 c0 5b 0a 8b 48 c7 c2 60 60 0a 8b 31 c9 49 89 d9 31 c0 e8 86 73 17 fd <0f> 0b ff 05 da a3 eb 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c RSP: 0018:ffffc90003b2f9f8 EFLAGS: 00010046 RAX: d97d7a83600a3900 RBX: 0000000000000000 RCX: ffff8880348ebb00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffffff8aafbf60 R08: ffffffff816d56dd R09: ffffed1017344f14 R10: ffffed1017344f14 R11: 1ffff11017344f13 R12: dffffc0000000000 R13: ffff8880775f9200 R14: 0000000000000003 R15: ffffffff919bd698 FS: 00005555571cf400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeab21cbb8 CR3: 0000000038209000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_timer_assert_init kernel/time/timer.c:792 [inline] debug_assert_init kernel/time/timer.c:837 [inline] del_timer+0xa5/0x3d0 kernel/time/timer.c:1257 try_to_grab_pending+0x150/0x820 kernel/workqueue.c:1275 __cancel_work+0xb8/0x380 kernel/workqueue.c:3250 l2cap_clear_timer include/net/bluetooth/l2cap.h:884 [inline] l2cap_chan_del+0x41c/0x610 net/bluetooth/l2cap_core.c:688 l2cap_sock_shutdown+0x39f/0x860 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+0xd7/0x260 net/socket.c:1365 __fput+0x3b9/0x820 fs/file_table.c:320 task_work_run+0x146/0x1c0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:169 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4b4243bebb 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:00007ffe1c2fc120 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f4b4243bebb RDX: ffffffffffffffb8 RSI: 0000001b31021680 RDI: 0000000000000004 RBP: 00007f4b4259d980 R08: 0000000000000000 R09: 00000000cc2ce633 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000cab71 R13: 00007ffe1c2fc220 R14: 00007ffe1c2fc240 R15: 0000000000000032