BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 2819 Comm: kworker/u4:6 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' (00000000710a934b): kobject_cleanup, parent 0000000057db35fd kobject: 'rx-0' (00000000710a934b): auto cleanup 'remove' event kobject: 'rx-0' (00000000710a934b): kobject_uevent_env kobject: 'rx-0' (00000000710a934b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000710a934b): auto cleanup kobject_del kobject: 'rx-0' (00000000710a934b): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000f887e9f5): kobject_cleanup, parent 0000000057db35fd kobject: 'tx-0' (00000000f887e9f5): auto cleanup 'remove' event kobject: 'tx-0' (00000000f887e9f5): kobject_uevent_env kobject: 'tx-0' (00000000f887e9f5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000f887e9f5): auto cleanup kobject_del kobject: 'tx-0' (00000000f887e9f5): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000057db35fd): kobject_cleanup, parent (null) kobject: 'queues' (0000000057db35fd): calling ktype release kobject: 'queues' (0000000057db35fd): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (0000000097108bcb): kobject_uevent_env kobject: 'ip6gre0' (0000000097108bcb): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (0000000097108bcb): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000097108bcb): auto cleanup 'remove' event kobject: 'ip6gre0' (0000000097108bcb): kobject_uevent_env kobject: 'ip6gre0' (0000000097108bcb): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (0000000097108bcb): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (000000008a99ec1e): kobject_cleanup, parent 00000000f1a55a33 kobject: 'rx-0' (000000008a99ec1e): auto cleanup 'remove' event kobject: 'rx-0' (000000008a99ec1e): kobject_uevent_env kobject: 'rx-0' (000000008a99ec1e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000008a99ec1e): auto cleanup kobject_del kobject: 'rx-0' (000000008a99ec1e): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000c75d7318): kobject_cleanup, parent 00000000f1a55a33 kobject: 'tx-0' (00000000c75d7318): auto cleanup 'remove' event kobject: 'tx-0' (00000000c75d7318): kobject_uevent_env kobject: 'tx-0' (00000000c75d7318): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000c75d7318): auto cleanup kobject_del kobject: 'tx-0' (00000000c75d7318): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f1a55a33): kobject_cleanup, parent (null) kobject: 'queues' (00000000f1a55a33): calling ktype release kobject: 'queues' (00000000f1a55a33): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (000000006c9d0e62): kobject_uevent_env kobject: 'ip6tnl0' (000000006c9d0e62): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (000000006c9d0e62): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (000000006c9d0e62): auto cleanup 'remove' event kobject: 'ip6tnl0' (000000006c9d0e62): kobject_uevent_env kobject: 'ip6tnl0' (000000006c9d0e62): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (000000006c9d0e62): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (00000000f392407e): kobject_cleanup, parent 000000003c67bf89 kobject: 'rx-0' (00000000f392407e): auto cleanup 'remove' event kobject: 'rx-0' (00000000f392407e): kobject_uevent_env kobject: 'rx-0' (00000000f392407e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000f392407e): auto cleanup kobject_del kobject: 'rx-0' (00000000f392407e): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000002769c0b2): kobject_cleanup, parent 000000003c67bf89 kobject: 'tx-0' (000000002769c0b2): auto cleanup 'remove' event kobject: 'tx-0' (000000002769c0b2): kobject_uevent_env kobject: 'tx-0' (000000002769c0b2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000002769c0b2): auto cleanup kobject_del kobject: 'tx-0' (000000002769c0b2): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000003c67bf89): kobject_cleanup, parent (null) kobject: 'queues' (000000003c67bf89): calling ktype release kobject: 'queues' (000000003c67bf89): kset_release kobject: 'queues': free name kobject: 'sit0' (00000000f78fdb54): kobject_uevent_env kobject: 'sit0' (00000000f78fdb54): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000f78fdb54): kobject_cleanup, parent (null) kobject: 'sit0' (00000000f78fdb54): auto cleanup 'remove' event kobject: 'sit0' (00000000f78fdb54): kobject_uevent_env kobject: 'sit0' (00000000f78fdb54): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000f78fdb54): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (00000000eab6bad6): kobject_cleanup, parent 00000000a04c77f9 kobject: 'rx-0' (00000000eab6bad6): auto cleanup 'remove' event kobject: 'rx-0' (00000000eab6bad6): kobject_uevent_env kobject: 'rx-0' (00000000eab6bad6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000eab6bad6): auto cleanup kobject_del kobject: 'rx-0' (00000000eab6bad6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000789b9952): kobject_cleanup, parent 00000000a04c77f9 kobject: 'tx-0' (00000000789b9952): auto cleanup 'remove' event kobject: 'tx-0' (00000000789b9952): kobject_uevent_env kobject: 'tx-0' (00000000789b9952): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000789b9952): auto cleanup kobject_del kobject: 'tx-0' (00000000789b9952): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000a04c77f9): kobject_cleanup, parent (null) kobject: 'queues' (00000000a04c77f9): calling ktype release kobject: 'queues' (00000000a04c77f9): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000e75140b0): kobject_uevent_env kobject: 'ip6_vti0' (00000000e75140b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000e75140b0): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000e75140b0): auto cleanup 'remove' event kobject: 'ip6_vti0' (00000000e75140b0): kobject_uevent_env kobject: 'ip6_vti0' (00000000e75140b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000e75140b0): calling ktype release kobject: 'ip6_vti0': free name kobject: 'rx-0' (0000000076bec658): kobject_cleanup, parent 00000000bbb33c72 kobject: 'rx-0' (0000000076bec658): auto cleanup 'remove' event kobject: 'rx-0' (0000000076bec658): kobject_uevent_env kobject: 'rx-0' (0000000076bec658): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000076bec658): auto cleanup kobject_del kobject: 'rx-0' (0000000076bec658): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009926c7a4): kobject_cleanup, parent 00000000bbb33c72 kobject: 'tx-0' (000000009926c7a4): auto cleanup 'remove' event kobject: 'tx-0' (000000009926c7a4): kobject_uevent_env kobject: 'tx-0' (000000009926c7a4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000009926c7a4): auto cleanup kobject_del kobject: 'tx-0' (000000009926c7a4): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000bbb33c72): kobject_cleanup, parent (null) kobject: 'queues' (00000000bbb33c72): calling ktype release kobject: 'queues' (00000000bbb33c72): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (000000009f411ecd): kobject_uevent_env kobject: 'ip_vti0' (000000009f411ecd): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (000000009f411ecd): kobject_cleanup, parent (null) kobject: 'ip_vti0' (000000009f411ecd): auto cleanup 'remove' event kobject: 'ip_vti0' (000000009f411ecd): kobject_uevent_env kobject: 'ip_vti0' (000000009f411ecd): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (000000009f411ecd): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (000000004941d75c): kobject_uevent_env kobject: 'batman_adv' (000000004941d75c): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000004941d75c): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000004941d75c): calling ktype release kobject: (000000004941d75c): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000e041ff29): kobject_cleanup, parent 0000000094dc9535 kobject: 'rx-0' (00000000e041ff29): auto cleanup 'remove' event kobject: 'rx-0' (00000000e041ff29): kobject_uevent_env kobject: 'rx-0' (00000000e041ff29): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000e041ff29): auto cleanup kobject_del kobject: 'rx-0' (00000000e041ff29): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fcc2587a): kobject_cleanup, parent 0000000094dc9535 kobject: 'tx-0' (00000000fcc2587a): auto cleanup 'remove' event kobject: 'tx-0' (00000000fcc2587a): kobject_uevent_env kobject: 'tx-0' (00000000fcc2587a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000fcc2587a): auto cleanup kobject_del kobject: 'tx-0' (00000000fcc2587a): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000094dc9535): kobject_cleanup, parent (null) kobject: 'queues' (0000000094dc9535): calling ktype release kobject: 'queues' (0000000094dc9535): kset_release kobject: 'queues': free name kobject: 'erspan0' (00000000f326af0b): kobject_uevent_env kobject: 'erspan0' (00000000f326af0b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'erspan0' (00000000f326af0b): kobject_cleanup, parent (null) kobject: 'erspan0' (00000000f326af0b): auto cleanup 'remove' event kobject: 'erspan0' (00000000f326af0b): kobject_uevent_env kobject: 'erspan0' (00000000f326af0b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'erspan0' (00000000f326af0b): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (00000000a405c687): kobject_uevent_env kobject: 'batman_adv' (00000000a405c687): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000a405c687): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000a405c687): calling ktype release kobject: (00000000a405c687): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000d74f7d02): kobject_cleanup, parent 00000000ea3921aa kobject: 'rx-0' (00000000d74f7d02): auto cleanup 'remove' event kobject: 'rx-0' (00000000d74f7d02): kobject_uevent_env kobject: 'rx-0' (00000000d74f7d02): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000d74f7d02): auto cleanup kobject_del kobject: 'rx-0' (00000000d74f7d02): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008a3d3097): kobject_cleanup, parent 00000000ea3921aa kobject: 'tx-0' (000000008a3d3097): auto cleanup 'remove' event kobject: 'tx-0' (000000008a3d3097): kobject_uevent_env kobject: 'tx-0' (000000008a3d3097): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008a3d3097): auto cleanup kobject_del kobject: 'tx-0' (000000008a3d3097): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ea3921aa): kobject_cleanup, parent (null) kobject: 'queues' (00000000ea3921aa): calling ktype release kobject: 'queues' (00000000ea3921aa): kset_release kobject: 'queues': free name kobject: 'gretap0' (00000000ddacc967): kobject_uevent_env kobject: 'gretap0' (00000000ddacc967): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (00000000ddacc967): kobject_cleanup, parent (null) kobject: 'gretap0' (00000000ddacc967): auto cleanup 'remove' event kobject: 'gretap0' (00000000ddacc967): kobject_uevent_env kobject: 'gretap0' (00000000ddacc967): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (00000000ddacc967): calling ktype release kobject: 'gretap0': free name kobject: 'rx-0' (0000000057943e6c): kobject_cleanup, parent 00000000206277c7 kobject: 'rx-0' (0000000057943e6c): auto cleanup 'remove' event kobject: 'rx-0' (0000000057943e6c): kobject_uevent_env kobject: 'rx-0' (0000000057943e6c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000057943e6c): auto cleanup kobject_del kobject: 'rx-0' (0000000057943e6c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fab8fa56): kobject_cleanup, parent 00000000206277c7 kobject: 'tx-0' (00000000fab8fa56): auto cleanup 'remove' event kobject: 'tx-0' (00000000fab8fa56): kobject_uevent_env kobject: 'tx-0' (00000000fab8fa56): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000fab8fa56): auto cleanup kobject_del kobject: 'tx-0' (00000000fab8fa56): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000206277c7): kobject_cleanup, parent (null) kobject: 'queues' (00000000206277c7): calling ktype release kobject: 'queues' (00000000206277c7): kset_release kobject: 'queues': free name kobject: 'gre0' (000000002598109a): kobject_uevent_env kobject: 'gre0' (000000002598109a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (000000002598109a): kobject_cleanup, parent (null) kobject: 'gre0' (000000002598109a): auto cleanup 'remove' event kobject: 'gre0' (000000002598109a): kobject_uevent_env kobject: 'gre0' (000000002598109a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (000000002598109a): calling ktype release kobject: 'gre0': free name kobject: 'rx-0' (000000007f8c1635): kobject_cleanup, parent 00000000b4533fdb kobject: 'rx-0' (000000007f8c1635): auto cleanup 'remove' event kobject: 'rx-0' (000000007f8c1635): kobject_uevent_env kobject: 'rx-0' (000000007f8c1635): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000007f8c1635): auto cleanup kobject_del kobject: 'rx-0' (000000007f8c1635): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004a8134cf): kobject_cleanup, parent 00000000b4533fdb kobject: 'tx-0' (000000004a8134cf): auto cleanup 'remove' event kobject: 'tx-0' (000000004a8134cf): kobject_uevent_env kobject: 'tx-0' (000000004a8134cf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004a8134cf): auto cleanup kobject_del kobject: 'tx-0' (000000004a8134cf): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b4533fdb): kobject_cleanup, parent (null) kobject: 'queues' (00000000b4533fdb): calling ktype release kobject: 'queues' (00000000b4533fdb): kset_release kobject: 'queues': free name kobject: 'tunl0' (00000000f2f737e0): kobject_uevent_env kobject: 'tunl0' (00000000f2f737e0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tunl0' (00000000f2f737e0): kobject_cleanup, parent (null) kobject: 'tunl0' (00000000f2f737e0): auto cleanup 'remove' event kobject: 'tunl0' (00000000f2f737e0): kobject_uevent_env kobject: 'tunl0' (00000000f2f737e0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tunl0' (00000000f2f737e0): calling ktype release kobject: 'tunl0': free name kobject: 'rx-0' (000000001e96f331): kobject_cleanup, parent 00000000310c08c2 kobject: 'rx-0' (000000001e96f331): auto cleanup 'remove' event kobject: 'rx-0' (000000001e96f331): kobject_uevent_env kobject: 'rx-0' (000000001e96f331): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000001e96f331): auto cleanup kobject_del kobject: 'rx-0' (000000001e96f331): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004555a12a): kobject_cleanup, parent 00000000310c08c2 kobject: 'tx-0' (000000004555a12a): auto cleanup 'remove' event kobject: 'tx-0' (000000004555a12a): kobject_uevent_env kobject: 'tx-0' (000000004555a12a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004555a12a): auto cleanup kobject_del kobject: 'tx-0' (000000004555a12a): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000310c08c2): kobject_cleanup, parent (null) kobject: 'queues' (00000000310c08c2): calling ktype release kobject: 'queues' (00000000310c08c2): kset_release kobject: 'queues': free name kobject: 'lo' (00000000c83b9a42): kobject_uevent_env kobject: 'lo' (00000000c83b9a42): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (00000000c83b9a42): kobject_cleanup, parent (null) kobject: 'lo' (00000000c83b9a42): auto cleanup 'remove' event kobject: 'lo' (00000000c83b9a42): kobject_uevent_env kobject: 'lo' (00000000c83b9a42): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (00000000c83b9a42): calling ktype release kobject: 'lo': free name