0 pages HighMem/MovableOnly 333238 pages reserved 0 pages cma reserved ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15888 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: 15888 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x2f kernel/panic.c:547 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 RSP: 0018:ffff88819317f148 EFLAGS: 00010086 RAX: 0000000000000061 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff866d0860 RDI: ffffed103262fe1f RBP: ffff88819317f170 R08: 0000000000000061 R09: 0000000000000001 R10: 0000000000000000 R11: ffff888052b48440 R12: ffffffff866cbb40 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88815c012330 debug_object_assert_init lib/debugobjects.c:656 [inline] debug_object_assert_init+0x22f/0x300 lib/debugobjects.c:627 debug_timer_assert_init kernel/time/timer.c:707 [inline] debug_assert_init kernel/time/timer.c:755 [inline] del_timer+0x67/0xf0 kernel/time/timer.c:1150 try_to_grab_pending+0x263/0x620 kernel/workqueue.c:1225 __cancel_work_timer+0xb4/0x480 kernel/workqueue.c:2915 cancel_delayed_work_sync+0x1b/0x20 kernel/workqueue.c:3076 batadv_nc_mesh_free+0x46/0x11e net/batman-adv/network-coding.c:1887 batadv_mesh_free+0x75/0x160 net/batman-adv/main.c:231 batadv_mesh_init+0x59a/0x670 net/batman-adv/main.c:216 batadv_softif_init_late+0xa33/0xca0 net/batman-adv/soft-interface.c:856 register_netdevice+0x28e/0xca0 net/core/dev.c:7598 rtnl_newlink+0x1441/0x1700 net/core/rtnetlink.c:2711 rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 SYSC_sendto+0x206/0x310 net/socket.c:1763 SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x414333 RSP: 002b:00007ffe6b3706a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414333 RDX: 000000000000003c RSI: 0000000000a72250 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffe6b3706b0 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 Kernel Offset: disabled Rebooting in 86400 seconds..