BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 0 PID: 29757 Comm: kworker/u4:15 Not tainted 5.2.0+ #97 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 mark_lock+0x3db/0x11e0 kernel/locking/lockdep.c:3583 mark_usage kernel/locking/lockdep.c:3517 [inline] __lock_acquire+0x538/0x4c30 kernel/locking/lockdep.c:3834 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' (00000000264609a6): kobject_cleanup, parent 00000000de5bb4d9 kobject: 'rx-0' (00000000264609a6): auto cleanup 'remove' event kobject: 'rx-0' (00000000264609a6): kobject_uevent_env kobject: 'rx-0' (00000000264609a6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000264609a6): auto cleanup kobject_del kobject: 'rx-0' (00000000264609a6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000ed2bd3f8): kobject_cleanup, parent 00000000de5bb4d9 kobject: 'tx-0' (00000000ed2bd3f8): auto cleanup 'remove' event kobject: 'tx-0' (00000000ed2bd3f8): kobject_uevent_env kobject: 'tx-0' (00000000ed2bd3f8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000ed2bd3f8): auto cleanup kobject_del kobject: 'tx-0' (00000000ed2bd3f8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000de5bb4d9): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (00000000de5bb4d9): calling ktype release kobject: 'queues' (00000000de5bb4d9): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000f1350735): kobject_uevent_env kobject: 'ip6gre0' (00000000f1350735): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000f1350735): kobject_cleanup, parent 000000000a7a1f27 kobject: 'ip6gre0' (00000000f1350735): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (000000006613201f): kobject_cleanup, parent 000000000c22c9f0 kobject: 'rx-0' (000000006613201f): auto cleanup 'remove' event kobject: 'rx-0' (000000006613201f): kobject_uevent_env kobject: 'rx-0' (000000006613201f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006613201f): auto cleanup kobject_del kobject: 'rx-0' (000000006613201f): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000002c0ae464): kobject_cleanup, parent 000000000c22c9f0 kobject: 'tx-0' (000000002c0ae464): auto cleanup 'remove' event kobject: 'tx-0' (000000002c0ae464): kobject_uevent_env kobject: 'tx-0' (000000002c0ae464): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000002c0ae464): auto cleanup kobject_del kobject: 'tx-0' (000000002c0ae464): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000000c22c9f0): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (000000000c22c9f0): calling ktype release kobject: 'queues' (000000000c22c9f0): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000064f8235): kobject_uevent_env kobject: 'ip6tnl0' (00000000064f8235): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000064f8235): kobject_cleanup, parent 000000000a7a1f27 kobject: 'ip6tnl0' (00000000064f8235): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (000000000da64c28): kobject_cleanup, parent 0000000029c7a0a1 kobject: 'rx-0' (000000000da64c28): auto cleanup 'remove' event kobject: 'rx-0' (000000000da64c28): kobject_uevent_env kobject: 'rx-0' (000000000da64c28): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000000da64c28): auto cleanup kobject_del kobject: 'rx-0' (000000000da64c28): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000edf54153): kobject_cleanup, parent 0000000029c7a0a1 kobject: 'tx-0' (00000000edf54153): auto cleanup 'remove' event kobject: 'tx-0' (00000000edf54153): kobject_uevent_env kobject: 'tx-0' (00000000edf54153): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000edf54153): auto cleanup kobject_del kobject: 'tx-0' (00000000edf54153): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000029c7a0a1): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (0000000029c7a0a1): calling ktype release kobject: 'queues' (0000000029c7a0a1): kset_release kobject: 'queues': free name kobject: 'sit0' (000000008d1b8da2): kobject_uevent_env kobject: 'sit0' (000000008d1b8da2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000008d1b8da2): kobject_cleanup, parent 000000000a7a1f27 kobject: 'sit0' (000000008d1b8da2): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (00000000142761a0): kobject_cleanup, parent 00000000fefa68fb kobject: 'rx-0' (00000000142761a0): auto cleanup 'remove' event kobject: 'rx-0' (00000000142761a0): kobject_uevent_env kobject: 'rx-0' (00000000142761a0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000142761a0): auto cleanup kobject_del kobject: 'rx-0' (00000000142761a0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000000c686722): kobject_cleanup, parent 00000000fefa68fb kobject: 'tx-0' (000000000c686722): auto cleanup 'remove' event kobject: 'tx-0' (000000000c686722): kobject_uevent_env kobject: 'tx-0' (000000000c686722): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000000c686722): auto cleanup kobject_del kobject: 'tx-0' (000000000c686722): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000fefa68fb): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (00000000fefa68fb): calling ktype release kobject: 'queues' (00000000fefa68fb): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (000000009659be2a): kobject_uevent_env kobject: 'ip6_vti0' (000000009659be2a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (000000009659be2a): kobject_cleanup, parent 000000000a7a1f27 kobject: 'ip6_vti0' (000000009659be2a): calling ktype release kobject: 'ip6_vti0': free name kobject: 'rx-0' (00000000adc2b5fc): kobject_cleanup, parent 000000002ebdb5b0 kobject: 'rx-0' (00000000adc2b5fc): auto cleanup 'remove' event kobject: 'rx-0' (00000000adc2b5fc): kobject_uevent_env kobject: 'rx-0' (00000000adc2b5fc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000adc2b5fc): auto cleanup kobject_del kobject: 'rx-0' (00000000adc2b5fc): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000060aeb23f): kobject_cleanup, parent 000000002ebdb5b0 kobject: 'tx-0' (0000000060aeb23f): auto cleanup 'remove' event kobject: 'tx-0' (0000000060aeb23f): kobject_uevent_env kobject: 'tx-0' (0000000060aeb23f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000060aeb23f): auto cleanup kobject_del kobject: 'tx-0' (0000000060aeb23f): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000002ebdb5b0): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (000000002ebdb5b0): calling ktype release kobject: 'queues' (000000002ebdb5b0): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (00000000360d2107): kobject_uevent_env kobject: 'ip_vti0' (00000000360d2107): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (00000000360d2107): kobject_cleanup, parent 000000000a7a1f27 kobject: 'ip_vti0' (00000000360d2107): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (0000000044831833): kobject_uevent_env kobject: 'batman_adv' (0000000044831833): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000044831833): kobject_cleanup, parent 000000000a7a1f27 kobject: 'batman_adv' (0000000044831833): calling ktype release kobject: (0000000044831833): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000baeda640): kobject_cleanup, parent 00000000425b726f kobject: 'rx-0' (00000000baeda640): auto cleanup 'remove' event kobject: 'rx-0' (00000000baeda640): kobject_uevent_env kobject: 'rx-0' (00000000baeda640): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000baeda640): auto cleanup kobject_del kobject: 'rx-0' (00000000baeda640): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d765ce47): kobject_cleanup, parent 00000000425b726f kobject: 'tx-0' (00000000d765ce47): auto cleanup 'remove' event kobject: 'tx-0' (00000000d765ce47): kobject_uevent_env kobject: 'tx-0' (00000000d765ce47): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000d765ce47): auto cleanup kobject_del kobject: 'tx-0' (00000000d765ce47): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000425b726f): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (00000000425b726f): calling ktype release kobject: 'queues' (00000000425b726f): kset_release kobject: 'queues': free name kobject: 'erspan0' (000000005b3c8f0e): kobject_uevent_env kobject: 'erspan0' (000000005b3c8f0e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'erspan0' (000000005b3c8f0e): kobject_cleanup, parent 000000000a7a1f27 kobject: 'erspan0' (000000005b3c8f0e): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (00000000bcad4a24): kobject_uevent_env kobject: 'batman_adv' (00000000bcad4a24): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000bcad4a24): kobject_cleanup, parent 000000000a7a1f27 kobject: 'batman_adv' (00000000bcad4a24): calling ktype release kobject: (00000000bcad4a24): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000c201dfcd): kobject_cleanup, parent 0000000009e28ffd kobject: 'rx-0' (00000000c201dfcd): auto cleanup 'remove' event kobject: 'rx-0' (00000000c201dfcd): kobject_uevent_env kobject: 'rx-0' (00000000c201dfcd): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000c201dfcd): auto cleanup kobject_del kobject: 'rx-0' (00000000c201dfcd): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009a3c90e8): kobject_cleanup, parent 0000000009e28ffd kobject: 'tx-0' (000000009a3c90e8): auto cleanup 'remove' event kobject: 'tx-0' (000000009a3c90e8): kobject_uevent_env kobject: 'tx-0' (000000009a3c90e8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000009a3c90e8): auto cleanup kobject_del kobject: 'tx-0' (000000009a3c90e8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000009e28ffd): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (0000000009e28ffd): calling ktype release kobject: 'queues' (0000000009e28ffd): kset_release kobject: 'queues': free name kobject: 'gretap0' (0000000041cdbdd7): kobject_uevent_env kobject: 'gretap0' (0000000041cdbdd7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (0000000041cdbdd7): kobject_cleanup, parent 000000000a7a1f27 kobject: 'gretap0' (0000000041cdbdd7): calling ktype release kobject: 'gretap0': free name kobject: 'rx-0' (000000003765f235): kobject_cleanup, parent 00000000fc92c015 kobject: 'rx-0' (000000003765f235): auto cleanup 'remove' event kobject: 'rx-0' (000000003765f235): kobject_uevent_env kobject: 'rx-0' (000000003765f235): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003765f235): auto cleanup kobject_del kobject: 'rx-0' (000000003765f235): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000410f9375): kobject_cleanup, parent 00000000fc92c015 kobject: 'tx-0' (00000000410f9375): auto cleanup 'remove' event kobject: 'tx-0' (00000000410f9375): kobject_uevent_env kobject: 'tx-0' (00000000410f9375): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000410f9375): auto cleanup kobject_del kobject: 'tx-0' (00000000410f9375): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000fc92c015): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (00000000fc92c015): calling ktype release kobject: 'queues' (00000000fc92c015): kset_release kobject: 'queues': free name kobject: 'gre0' (00000000dbd2d362): kobject_uevent_env kobject: 'gre0' (00000000dbd2d362): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (00000000dbd2d362): kobject_cleanup, parent 000000000a7a1f27 kobject: 'gre0' (00000000dbd2d362): calling ktype release kobject: 'gre0': free name kobject: 'rx-0' (000000004f832f68): kobject_cleanup, parent 00000000ede64c8d kobject: 'rx-0' (000000004f832f68): auto cleanup 'remove' event kobject: 'rx-0' (000000004f832f68): kobject_uevent_env kobject: 'rx-0' (000000004f832f68): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000004f832f68): auto cleanup kobject_del kobject: 'rx-0' (000000004f832f68): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008e24f280): kobject_cleanup, parent 00000000ede64c8d kobject: 'tx-0' (000000008e24f280): auto cleanup 'remove' event kobject: 'tx-0' (000000008e24f280): kobject_uevent_env kobject: 'tx-0' (000000008e24f280): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008e24f280): auto cleanup kobject_del kobject: 'tx-0' (000000008e24f280): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ede64c8d): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (00000000ede64c8d): calling ktype release kobject: 'queues' (00000000ede64c8d): kset_release kobject: 'queues': free name kobject: 'tunl0' (0000000080234040): kobject_uevent_env kobject: 'tunl0' (0000000080234040): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tunl0' (0000000080234040): kobject_cleanup, parent 000000000a7a1f27 kobject: 'tunl0' (0000000080234040): calling ktype release kobject: 'tunl0': free name kobject: 'rx-0' (000000000d3da4e7): kobject_cleanup, parent 000000007807993f kobject: 'rx-0' (000000000d3da4e7): auto cleanup 'remove' event kobject: 'rx-0' (000000000d3da4e7): kobject_uevent_env kobject: 'rx-0' (000000000d3da4e7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000000d3da4e7): auto cleanup kobject_del kobject: 'rx-0' (000000000d3da4e7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000101cb470): kobject_cleanup, parent 000000007807993f kobject: 'tx-0' (00000000101cb470): auto cleanup 'remove' event kobject: 'tx-0' (00000000101cb470): kobject_uevent_env kobject: 'tx-0' (00000000101cb470): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000101cb470): auto cleanup kobject_del kobject: 'tx-0' (00000000101cb470): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000007807993f): kobject_cleanup, parent 000000000a7a1f27 kobject: 'queues' (000000007807993f): calling ktype release kobject: 'queues' (000000007807993f): kset_release kobject: 'queues': free name kobject: 'lo' (000000006ea6e115): kobject_uevent_env kobject: 'lo' (000000006ea6e115): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (000000006ea6e115): kobject_cleanup, parent 000000000a7a1f27 kobject: 'lo' (000000006ea6e115): calling ktype release kobject: 'lo': free name kobject: 'nfs_client' (00000000b1e535dc): kobject_uevent_env kobject: 'nfs_client' (00000000b1e535dc): fill_kobj_path: path = '/fs/nfs/net/nfs_client' kobject: 'nfs_client' (00000000b1e535dc): kobject_cleanup, parent 000000000a7a1f27 kobject: 'nfs_client' (00000000b1e535dc): calling ktype release kobject: 'nfs_client': free name