BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 0 PID: 6797 Comm: kworker/u4:0 Not tainted 5.2.0+ #67
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+0x172/0x1f0 lib/dump_stack.c:113
 save_trace kernel/locking/lockdep.c:473 [inline]
 save_trace.isra.0.cold+0x14/0x19 kernel/locking/lockdep.c:458
 check_prev_add kernel/locking/lockdep.c:2447 [inline]
 check_prevs_add kernel/locking/lockdep.c:2507 [inline]
 validate_chain kernel/locking/lockdep.c:2897 [inline]
 __lock_acquire+0x2d2a/0x4c30 kernel/locking/lockdep.c:3880
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4413
 flush_workqueue+0x126/0x14b0 kernel/workqueue.c:2774
 drain_workqueue+0x1b4/0x470 kernel/workqueue.c:2939
 destroy_workqueue+0x21/0x6c0 kernel/workqueue.c:4320
 tipc_topsrv_work_stop net/tipc/topsrv.c:635 [inline]
 tipc_topsrv_stop net/tipc/topsrv.c:692 [inline]
 tipc_topsrv_exit_net+0x42e/0x5d8 net/tipc/topsrv.c:704
 ops_exit_list.isra.0+0xaa/0x150 net/core/net_namespace.c:172
 cleanup_net+0x4e2/0xa70 net/core/net_namespace.c:594
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
kobject: 'rx-0' (00000000dddf7c2e): kobject_cleanup, parent 00000000a443b1fb
kobject: 'rx-0' (00000000dddf7c2e): auto cleanup 'remove' event
kobject: 'rx-0' (00000000dddf7c2e): kobject_uevent_env
kobject: 'rx-0' (00000000dddf7c2e): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000dddf7c2e): auto cleanup kobject_del
kobject: 'rx-0' (00000000dddf7c2e): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000ec9b29aa): kobject_cleanup, parent 00000000a443b1fb
kobject: 'tx-0' (00000000ec9b29aa): auto cleanup 'remove' event
kobject: 'tx-0' (00000000ec9b29aa): kobject_uevent_env
kobject: 'tx-0' (00000000ec9b29aa): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000ec9b29aa): auto cleanup kobject_del
kobject: 'tx-0' (00000000ec9b29aa): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000a443b1fb): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (00000000a443b1fb): calling ktype release
kobject: 'queues' (00000000a443b1fb): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000d9c81c2a): kobject_uevent_env
kobject: 'ip6gre0' (00000000d9c81c2a): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6gre0' (00000000d9c81c2a): kobject_cleanup, parent 000000004a0be593
kobject: 'ip6gre0' (00000000d9c81c2a): calling ktype release
kobject: 'ip6gre0': free name
kobject: 'rx-0' (00000000f1a74ab8): kobject_cleanup, parent 0000000081069099
kobject: 'rx-0' (00000000f1a74ab8): auto cleanup 'remove' event
kobject: 'rx-0' (00000000f1a74ab8): kobject_uevent_env
kobject: 'rx-0' (00000000f1a74ab8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000f1a74ab8): auto cleanup kobject_del
kobject: 'rx-0' (00000000f1a74ab8): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000065c928d7): kobject_cleanup, parent 0000000081069099
kobject: 'tx-0' (0000000065c928d7): auto cleanup 'remove' event
kobject: 'tx-0' (0000000065c928d7): kobject_uevent_env
kobject: 'tx-0' (0000000065c928d7): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (0000000065c928d7): auto cleanup kobject_del
kobject: 'tx-0' (0000000065c928d7): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000081069099): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (0000000081069099): calling ktype release
kobject: 'queues' (0000000081069099): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (00000000771dc8cf): kobject_uevent_env
kobject: 'ip6tnl0' (00000000771dc8cf): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6tnl0' (00000000771dc8cf): kobject_cleanup, parent 000000004a0be593
kobject: 'ip6tnl0' (00000000771dc8cf): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (00000000dd0fa53d): kobject_cleanup, parent 00000000395c8628
kobject: 'rx-0' (00000000dd0fa53d): auto cleanup 'remove' event
kobject: 'rx-0' (00000000dd0fa53d): kobject_uevent_env
kobject: 'rx-0' (00000000dd0fa53d): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000dd0fa53d): auto cleanup kobject_del
kobject: 'rx-0' (00000000dd0fa53d): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000dd9d5e32): kobject_cleanup, parent 00000000395c8628
kobject: 'tx-0' (00000000dd9d5e32): auto cleanup 'remove' event
kobject: 'tx-0' (00000000dd9d5e32): kobject_uevent_env
kobject: 'tx-0' (00000000dd9d5e32): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000dd9d5e32): auto cleanup kobject_del
kobject: 'tx-0' (00000000dd9d5e32): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000395c8628): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (00000000395c8628): calling ktype release
kobject: 'queues' (00000000395c8628): kset_release
kobject: 'queues': free name
kobject: 'sit0' (0000000049e95202): kobject_uevent_env
kobject: 'sit0' (0000000049e95202): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'sit0' (0000000049e95202): kobject_cleanup, parent 000000004a0be593
kobject: 'sit0' (0000000049e95202): calling ktype release
kobject: 'sit0': free name
kobject: 'rx-0' (000000003c7665df): kobject_cleanup, parent 00000000e848c647
kobject: 'rx-0' (000000003c7665df): auto cleanup 'remove' event
kobject: 'rx-0' (000000003c7665df): kobject_uevent_env
kobject: 'rx-0' (000000003c7665df): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000003c7665df): auto cleanup kobject_del
kobject: 'rx-0' (000000003c7665df): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000000130094f): kobject_cleanup, parent 00000000e848c647
kobject: 'tx-0' (000000000130094f): auto cleanup 'remove' event
kobject: 'tx-0' (000000000130094f): kobject_uevent_env
kobject: 'tx-0' (000000000130094f): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000000130094f): auto cleanup kobject_del
kobject: 'tx-0' (000000000130094f): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000e848c647): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (00000000e848c647): calling ktype release
kobject: 'queues' (00000000e848c647): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (00000000376796f4): kobject_uevent_env
kobject: 'ip6_vti0' (00000000376796f4): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6_vti0' (00000000376796f4): kobject_cleanup, parent 000000004a0be593
kobject: 'ip6_vti0' (00000000376796f4): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (00000000989c4013): kobject_cleanup, parent 000000009bc808af
kobject: 'rx-0' (00000000989c4013): auto cleanup 'remove' event
kobject: 'rx-0' (00000000989c4013): kobject_uevent_env
kobject: 'rx-0' (00000000989c4013): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000989c4013): auto cleanup kobject_del
kobject: 'rx-0' (00000000989c4013): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000006d6e386): kobject_cleanup, parent 000000009bc808af
kobject: 'tx-0' (0000000006d6e386): auto cleanup 'remove' event
kobject: 'tx-0' (0000000006d6e386): kobject_uevent_env
kobject: 'tx-0' (0000000006d6e386): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (0000000006d6e386): auto cleanup kobject_del
kobject: 'tx-0' (0000000006d6e386): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000009bc808af): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (000000009bc808af): calling ktype release
kobject: 'queues' (000000009bc808af): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (0000000006b7fb5a): kobject_uevent_env
kobject: 'ip_vti0' (0000000006b7fb5a): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip_vti0' (0000000006b7fb5a): kobject_cleanup, parent 000000004a0be593
kobject: 'ip_vti0' (0000000006b7fb5a): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'batman_adv' (00000000fddbbd15): kobject_uevent_env
kobject: 'batman_adv' (00000000fddbbd15): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (00000000fddbbd15): kobject_cleanup, parent 000000004a0be593
kobject: 'batman_adv' (00000000fddbbd15): calling ktype release
kobject: (00000000fddbbd15): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (0000000011c2d7b0): kobject_cleanup, parent 00000000b6c39300
kobject: 'rx-0' (0000000011c2d7b0): auto cleanup 'remove' event
kobject: 'rx-0' (0000000011c2d7b0): kobject_uevent_env
kobject: 'rx-0' (0000000011c2d7b0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (0000000011c2d7b0): auto cleanup kobject_del
kobject: 'rx-0' (0000000011c2d7b0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000e42d27fb): kobject_cleanup, parent 00000000b6c39300
kobject: 'tx-0' (00000000e42d27fb): auto cleanup 'remove' event
kobject: 'tx-0' (00000000e42d27fb): kobject_uevent_env
kobject: 'tx-0' (00000000e42d27fb): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000e42d27fb): auto cleanup kobject_del
kobject: 'tx-0' (00000000e42d27fb): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000b6c39300): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (00000000b6c39300): calling ktype release
kobject: 'queues' (00000000b6c39300): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (0000000046975160): kobject_uevent_env
kobject: 'erspan0' (0000000046975160): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'erspan0' (0000000046975160): kobject_cleanup, parent 000000004a0be593
kobject: 'erspan0' (0000000046975160): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (00000000a73d2150): kobject_uevent_env
kobject: 'batman_adv' (00000000a73d2150): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (00000000a73d2150): kobject_cleanup, parent 000000004a0be593
kobject: 'batman_adv' (00000000a73d2150): calling ktype release
kobject: (00000000a73d2150): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (00000000c3c64471): kobject_cleanup, parent 000000002bdb5832
kobject: 'rx-0' (00000000c3c64471): auto cleanup 'remove' event
kobject: 'rx-0' (00000000c3c64471): kobject_uevent_env
kobject: 'rx-0' (00000000c3c64471): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000c3c64471): auto cleanup kobject_del
kobject: 'rx-0' (00000000c3c64471): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000847ee01c): kobject_cleanup, parent 000000002bdb5832
kobject: 'tx-0' (00000000847ee01c): auto cleanup 'remove' event
kobject: 'tx-0' (00000000847ee01c): kobject_uevent_env
kobject: 'tx-0' (00000000847ee01c): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000847ee01c): auto cleanup kobject_del
kobject: 'tx-0' (00000000847ee01c): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000002bdb5832): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (000000002bdb5832): calling ktype release
kobject: 'queues' (000000002bdb5832): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (00000000f7edf3b8): kobject_uevent_env
kobject: 'gretap0' (00000000f7edf3b8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gretap0' (00000000f7edf3b8): kobject_cleanup, parent 000000004a0be593
kobject: 'gretap0' (00000000f7edf3b8): calling ktype release
kobject: 'gretap0': free name
kobject: 'rx-0' (00000000601ca93a): kobject_cleanup, parent 0000000016309bb9
kobject: 'rx-0' (00000000601ca93a): auto cleanup 'remove' event
kobject: 'rx-0' (00000000601ca93a): kobject_uevent_env
kobject: 'rx-0' (00000000601ca93a): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000601ca93a): auto cleanup kobject_del
kobject: 'rx-0' (00000000601ca93a): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000001f9b86da): kobject_cleanup, parent 0000000016309bb9
kobject: 'tx-0' (000000001f9b86da): auto cleanup 'remove' event
kobject: 'tx-0' (000000001f9b86da): kobject_uevent_env
kobject: 'tx-0' (000000001f9b86da): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000001f9b86da): auto cleanup kobject_del
kobject: 'tx-0' (000000001f9b86da): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000016309bb9): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (0000000016309bb9): calling ktype release
kobject: 'queues' (0000000016309bb9): kset_release
kobject: 'queues': free name
kobject: 'gre0' (0000000082e52ff1): kobject_uevent_env
kobject: 'gre0' (0000000082e52ff1): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gre0' (0000000082e52ff1): kobject_cleanup, parent 000000004a0be593
kobject: 'gre0' (0000000082e52ff1): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (000000003ab4f0fe): kobject_cleanup, parent 000000009ccf33a3
kobject: 'rx-0' (000000003ab4f0fe): auto cleanup 'remove' event
kobject: 'rx-0' (000000003ab4f0fe): kobject_uevent_env
kobject: 'rx-0' (000000003ab4f0fe): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000003ab4f0fe): auto cleanup kobject_del
kobject: 'rx-0' (000000003ab4f0fe): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000084872306): kobject_cleanup, parent 000000009ccf33a3
kobject: 'tx-0' (0000000084872306): auto cleanup 'remove' event
kobject: 'tx-0' (0000000084872306): kobject_uevent_env
kobject: 'tx-0' (0000000084872306): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (0000000084872306): auto cleanup kobject_del
kobject: 'tx-0' (0000000084872306): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000009ccf33a3): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (000000009ccf33a3): calling ktype release
kobject: 'queues' (000000009ccf33a3): kset_release
kobject: 'queues': free name
kobject: 'tunl0' (0000000054749a09): kobject_uevent_env
kobject: 'tunl0' (0000000054749a09): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tunl0' (0000000054749a09): kobject_cleanup, parent 000000004a0be593
kobject: 'tunl0' (0000000054749a09): calling ktype release
kobject: 'tunl0': free name
kobject: 'rx-0' (000000006358c628): kobject_cleanup, parent 000000006606f7bd
kobject: 'rx-0' (000000006358c628): auto cleanup 'remove' event
kobject: 'rx-0' (000000006358c628): kobject_uevent_env
kobject: 'rx-0' (000000006358c628): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000006358c628): auto cleanup kobject_del
kobject: 'rx-0' (000000006358c628): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000bdbf43af): kobject_cleanup, parent 000000006606f7bd
kobject: 'tx-0' (00000000bdbf43af): auto cleanup 'remove' event
kobject: 'tx-0' (00000000bdbf43af): kobject_uevent_env
kobject: 'tx-0' (00000000bdbf43af): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000bdbf43af): auto cleanup kobject_del
kobject: 'tx-0' (00000000bdbf43af): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000006606f7bd): kobject_cleanup, parent 000000004a0be593
kobject: 'queues' (000000006606f7bd): calling ktype release
kobject: 'queues' (000000006606f7bd): kset_release
kobject: 'queues': free name
kobject: 'lo' (0000000036328d14): kobject_uevent_env
kobject: 'lo' (0000000036328d14): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'lo' (0000000036328d14): kobject_cleanup, parent 000000004a0be593
kobject: 'lo' (0000000036328d14): calling ktype release
kobject: 'lo': free name
kobject: 'nfs_client' (0000000076c2b930): kobject_uevent_env
kobject: 'nfs_client' (0000000076c2b930): fill_kobj_path: path = '/fs/nfs/net/nfs_client'
kobject: 'nfs_client' (0000000076c2b930): kobject_cleanup, parent 000000004a0be593
kobject: 'nfs_client' (0000000076c2b930): calling ktype release
kobject: 'nfs_client': free name