BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 1 PID: 27798 Comm: kworker/u4:1 Not tainted 5.1.0-rc2 #36
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:467 [inline]
 save_trace.cold+0x14/0x19 kernel/locking/lockdep.c:437
 mark_lock+0x2fb/0x1380 kernel/locking/lockdep.c:3410
 __lock_acquire+0x548/0x3fb0 kernel/locking/lockdep.c:3657
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211
 flush_workqueue+0x126/0x14c0 kernel/workqueue.c:2774
 drain_workqueue+0x1b4/0x470 kernel/workqueue.c:2939
 destroy_workqueue+0x21/0x700 kernel/workqueue.c:4320
 tipc_topsrv_work_stop net/tipc/topsrv.c:634 [inline]
 tipc_topsrv_stop+0x43a/0x5e6 net/tipc/topsrv.c:691
 tipc_exit_net+0x16/0x40 net/tipc/core.c:100
 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:551
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
kobject: 'rx-0' (00000000192eea6b): kobject_cleanup, parent 000000004d7e0822
kobject: 'rx-0' (00000000192eea6b): auto cleanup 'remove' event
kobject: 'rx-0' (00000000192eea6b): kobject_uevent_env
kobject: 'rx-0' (00000000192eea6b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000192eea6b): auto cleanup kobject_del
kobject: 'rx-0' (00000000192eea6b): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000bdd13502): kobject_cleanup, parent 000000004d7e0822
kobject: 'tx-0' (00000000bdd13502): auto cleanup 'remove' event
kobject: 'tx-0' (00000000bdd13502): kobject_uevent_env
kobject: 'tx-0' (00000000bdd13502): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000bdd13502): auto cleanup kobject_del
kobject: 'tx-0' (00000000bdd13502): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000004d7e0822): kobject_cleanup, parent           (null)
kobject: 'queues' (000000004d7e0822): calling ktype release
kobject: 'queues' (000000004d7e0822): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (000000005ba5d8d7): kobject_uevent_env
kobject: 'ip6gre0' (000000005ba5d8d7): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000003a28e86d): kobject_cleanup, parent 00000000ea26eaa8
kobject: 'rx-0' (000000003a28e86d): auto cleanup 'remove' event
kobject: 'rx-0' (000000003a28e86d): kobject_uevent_env
kobject: 'rx-0' (000000003a28e86d): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000003a28e86d): auto cleanup kobject_del
kobject: 'rx-0' (000000003a28e86d): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000006c8fef5a): kobject_cleanup, parent 00000000ea26eaa8
kobject: 'tx-0' (000000006c8fef5a): auto cleanup 'remove' event
kobject: 'tx-0' (000000006c8fef5a): kobject_uevent_env
kobject: 'tx-0' (000000006c8fef5a): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000006c8fef5a): auto cleanup kobject_del
kobject: 'tx-0' (000000006c8fef5a): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000ea26eaa8): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000ea26eaa8): calling ktype release
kobject: 'queues' (00000000ea26eaa8): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (000000005aeab989): kobject_uevent_env
kobject: 'ip6gre0' (000000005aeab989): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000005da8bad8): kobject_cleanup, parent 00000000c4baacf7
kobject: 'rx-0' (000000005da8bad8): auto cleanup 'remove' event
kobject: 'rx-0' (000000005da8bad8): kobject_uevent_env
kobject: 'rx-0' (000000005da8bad8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000005da8bad8): auto cleanup kobject_del
kobject: 'rx-0' (000000005da8bad8): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000007ff3d64): kobject_cleanup, parent 00000000c4baacf7
kobject: 'tx-0' (0000000007ff3d64): auto cleanup 'remove' event
kobject: 'tx-0' (0000000007ff3d64): kobject_uevent_env
kobject: 'tx-0' (0000000007ff3d64): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (0000000007ff3d64): auto cleanup kobject_del
kobject: 'tx-0' (0000000007ff3d64): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000c4baacf7): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000c4baacf7): calling ktype release
kobject: 'queues' (00000000c4baacf7): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000f1f9691e): kobject_uevent_env
kobject: 'ip6gre0' (00000000f1f9691e): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (0000000064085761): kobject_cleanup, parent 000000008361f234
kobject: 'rx-0' (0000000064085761): auto cleanup 'remove' event
kobject: 'rx-0' (0000000064085761): kobject_uevent_env
kobject: 'rx-0' (0000000064085761): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (0000000064085761): auto cleanup kobject_del
kobject: 'rx-0' (0000000064085761): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000e88258be): kobject_cleanup, parent 000000008361f234
kobject: 'tx-0' (00000000e88258be): auto cleanup 'remove' event
kobject: 'tx-0' (00000000e88258be): kobject_uevent_env
kobject: 'tx-0' (00000000e88258be): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000e88258be): auto cleanup kobject_del
kobject: 'tx-0' (00000000e88258be): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000008361f234): kobject_cleanup, parent           (null)
kobject: 'queues' (000000008361f234): calling ktype release
kobject: 'queues' (000000008361f234): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000927cb7d6): kobject_uevent_env
kobject: 'ip6gre0' (00000000927cb7d6): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000098d7b33): kobject_cleanup, parent 0000000085fff3ef
kobject: 'rx-0' (00000000098d7b33): auto cleanup 'remove' event
kobject: 'rx-0' (00000000098d7b33): kobject_uevent_env
kobject: 'rx-0' (00000000098d7b33): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000098d7b33): auto cleanup kobject_del
kobject: 'rx-0' (00000000098d7b33): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000002079ed0c): kobject_cleanup, parent 0000000085fff3ef
kobject: 'tx-0' (000000002079ed0c): auto cleanup 'remove' event
kobject: 'tx-0' (000000002079ed0c): kobject_uevent_env
kobject: 'tx-0' (000000002079ed0c): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000002079ed0c): auto cleanup kobject_del
kobject: 'tx-0' (000000002079ed0c): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000085fff3ef): kobject_cleanup, parent           (null)
kobject: 'queues' (0000000085fff3ef): calling ktype release
kobject: 'queues' (0000000085fff3ef): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000ad777ece): kobject_uevent_env
kobject: 'ip6gre0' (00000000ad777ece): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000000440c836): kobject_cleanup, parent 0000000070766746
kobject: 'rx-0' (000000000440c836): auto cleanup 'remove' event
kobject: 'rx-0' (000000000440c836): kobject_uevent_env
kobject: 'rx-0' (000000000440c836): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000000440c836): auto cleanup kobject_del
kobject: 'rx-0' (000000000440c836): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000ad6d7af6): kobject_cleanup, parent 0000000070766746
kobject: 'tx-0' (00000000ad6d7af6): auto cleanup 'remove' event
kobject: 'tx-0' (00000000ad6d7af6): kobject_uevent_env
kobject: 'tx-0' (00000000ad6d7af6): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000ad6d7af6): auto cleanup kobject_del
kobject: 'tx-0' (00000000ad6d7af6): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000070766746): kobject_cleanup, parent           (null)
kobject: 'queues' (0000000070766746): calling ktype release
kobject: 'queues' (0000000070766746): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000e0cd4d32): kobject_uevent_env
kobject: 'ip6gre0' (00000000e0cd4d32): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000ca8e4f5f): kobject_cleanup, parent 000000009426051f
kobject: 'rx-0' (00000000ca8e4f5f): auto cleanup 'remove' event
kobject: 'rx-0' (00000000ca8e4f5f): kobject_uevent_env
kobject: 'rx-0' (00000000ca8e4f5f): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000ca8e4f5f): auto cleanup kobject_del
kobject: 'rx-0' (00000000ca8e4f5f): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000856aea9b): kobject_cleanup, parent 000000009426051f
kobject: 'tx-0' (00000000856aea9b): auto cleanup 'remove' event
kobject: 'tx-0' (00000000856aea9b): kobject_uevent_env
kobject: 'tx-0' (00000000856aea9b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000856aea9b): auto cleanup kobject_del
kobject: 'tx-0' (00000000856aea9b): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000009426051f): kobject_cleanup, parent           (null)
kobject: 'queues' (000000009426051f): calling ktype release
kobject: 'queues' (000000009426051f): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (000000003ceafd33): kobject_uevent_env
kobject: 'ip6gre0' (000000003ceafd33): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000006b095a22): kobject_cleanup, parent 00000000da314d97
kobject: 'rx-0' (000000006b095a22): auto cleanup 'remove' event
kobject: 'rx-0' (000000006b095a22): kobject_uevent_env
kobject: 'rx-0' (000000006b095a22): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000006b095a22): auto cleanup kobject_del
kobject: 'rx-0' (000000006b095a22): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000da7cd25b): kobject_cleanup, parent 00000000da314d97
kobject: 'tx-0' (00000000da7cd25b): auto cleanup 'remove' event
kobject: 'tx-0' (00000000da7cd25b): kobject_uevent_env
kobject: 'tx-0' (00000000da7cd25b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000da7cd25b): auto cleanup kobject_del