ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x6666666666666666 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9362 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9362 Comm: kworker/u4:6 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: tipc_send tipc_send_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 RSP: 0018:ffff8880703a7a38 EFLAGS: 00010286 RAX: 0000000000000063 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed100e074f3d RBP: ffffffff878b82e0 R08: 0000000000000063 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 6666666666666666 R13: 0000000000000000 R14: ffff8880b0ffd118 R15: 1ffff1100e074f50 debug_object_assert_init lib/debugobjects.c:656 [inline] debug_object_assert_init+0x1d3/0x2d0 lib/debugobjects.c:627 debug_timer_assert_init kernel/time/timer.c:708 [inline] debug_assert_init kernel/time/timer.c:756 [inline] del_timer+0x5d/0xe0 kernel/time/timer.c:1151 tipc_subscrb_subscrp_delete+0x13a/0x330 net/tipc/subscr.c:207 tipc_subscrb_delete net/tipc/subscr.c:238 [inline] tipc_subscrb_release_cb+0x13/0x20 net/tipc/subscr.c:316 tipc_close_conn+0x16a/0x200 net/tipc/server.c:203 tipc_send_to_sock net/tipc/server.c:538 [inline] tipc_send_work+0x41e/0x520 net/tipc/server.c:564 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 Kernel Offset: disabled Rebooting in 86400 seconds..