bond0 (unregistering): Released all slaves
8021q: adding VLAN 0 to HW filter on device batadv0
8021q: adding VLAN 0 to HW filter on device batadv0
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:4916
WARNING: CPU: 1 PID: 83 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325
kobject: 'loop0' (0000000004654f43): kobject_uevent_env
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 83 Comm: kworker/u4:2 Not tainted 4.20.0-next-20190102 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
kobject: 'loop0' (0000000004654f43): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000917fecf9): kobject_uevent_env
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325
Code: dd e0 eb 81 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd e0 eb 81 88 48 c7 c7 80 e1 81 88 e8 56 7e b9 fd <0f> 0b 83 05 b1 9d ca 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3
RSP: 0018:ffff8880a90d7270 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
kobject: 'loop1' (00000000917fecf9): fill_kobj_path: path = '/devices/virtual/block/loop1'
RDX: 0000000000000000 RSI: ffffffff8167e016 RDI: 0000000000000005
RBP: ffff8880a90d72b0 R08: ffff8880a90cc680 R09: ffffed1015ce3ef9
R10: ffffed1015ce3ef8 R11: ffff8880ae71f7c7 R12: 0000000000000001
R13: ffffffff899ac5e0 R14: ffffffff816e3530 R15: ffff8880a4949658
 __debug_check_no_obj_freed lib/debugobjects.c:806 [inline]
 debug_check_no_obj_freed+0x3ac/0x5a7 lib/debugobjects.c:835
 kfree+0xbd/0x230 mm/slab.c:3803
 kvfree+0x61/0x70 mm/util.c:445
 netdev_freemem+0x4c/0x60 net/core/dev.c:8991
 netdev_release+0x119/0x180 net/core/net-sysfs.c:1640
kobject: 'loop5' (00000000ddd33282): kobject_uevent_env
 device_release+0x7d/0x210 drivers/base/core.c:919
 kobject_cleanup lib/kobject.c:662 [inline]
 kobject_release lib/kobject.c:691 [inline]
 kref_put include/linux/kref.h:67 [inline]
 kobject_put.cold+0x28f/0x2ec lib/kobject.c:708
 netdev_run_todo+0x704/0xae0 net/core/dev.c:8896
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:117
 default_device_exit_batch+0x4d3/0x5f0 net/core/dev.c:9677
kobject: 'loop5' (00000000ddd33282): fill_kobj_path: path = '/devices/virtual/block/loop5'
 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:156
 cleanup_net+0x51d/0xb10 net/core/net_namespace.c:551
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
kobject: 'loop4' (00000000bca20c0f): kobject_uevent_env
kobject: 'loop4' (00000000bca20c0f): fill_kobj_path: path = '/devices/virtual/block/loop4'
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
kobject: 'loop2' (000000007e3c622b): kobject_uevent_env
kobject: 'loop2' (000000007e3c622b): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000ddd33282): kobject_uevent_env
 kthread+0x357/0x430 kernel/kthread.c:246
kobject: 'loop5' (00000000ddd33282): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000ddd33282): kobject_uevent_env
kobject: 'loop5' (00000000ddd33282): fill_kobj_path: path = '/devices/virtual/block/loop5'
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..