BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 2683 Comm: kworker/u4:4 Not tainted 5.1.0-rc2+ #38 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 mark_irqflags kernel/locking/lockdep.c:3317 [inline] __lock_acquire+0x1317/0x3fb0 kernel/locking/lockdep.c:3653 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' (00000000e6ef8edc): kobject_cleanup, parent 00000000be0ac446 kobject: 'rx-0' (00000000e6ef8edc): auto cleanup 'remove' event kobject: 'rx-0' (00000000e6ef8edc): kobject_uevent_env kobject: 'rx-0' (00000000e6ef8edc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000e6ef8edc): auto cleanup kobject_del kobject: 'rx-0' (00000000e6ef8edc): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000028cd194d): kobject_cleanup, parent 00000000be0ac446 kobject: 'tx-0' (0000000028cd194d): auto cleanup 'remove' event kobject: 'tx-0' (0000000028cd194d): kobject_uevent_env kobject: 'tx-0' (0000000028cd194d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000028cd194d): auto cleanup kobject_del kobject: 'tx-0' (0000000028cd194d): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000be0ac446): kobject_cleanup, parent (null) kobject: 'queues' (00000000be0ac446): calling ktype release kobject: 'queues' (00000000be0ac446): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000c3ee36ef): kobject_uevent_env kobject: 'ip6gre0' (00000000c3ee36ef): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a3c4f64f): kobject_cleanup, parent 00000000df86bdfe kobject: 'rx-0' (00000000a3c4f64f): auto cleanup 'remove' event kobject: 'rx-0' (00000000a3c4f64f): kobject_uevent_env kobject: 'rx-0' (00000000a3c4f64f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a3c4f64f): auto cleanup kobject_del kobject: 'rx-0' (00000000a3c4f64f): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000813a46c3): kobject_cleanup, parent 00000000df86bdfe kobject: 'tx-0' (00000000813a46c3): auto cleanup 'remove' event kobject: 'tx-0' (00000000813a46c3): kobject_uevent_env kobject: 'tx-0' (00000000813a46c3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000813a46c3): auto cleanup kobject_del kobject: 'tx-0' (00000000813a46c3): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000df86bdfe): kobject_cleanup, parent (null) kobject: 'queues' (00000000df86bdfe): calling ktype release kobject: 'queues' (00000000df86bdfe): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (0000000059a48b28): kobject_uevent_env kobject: 'ip6gre0' (0000000059a48b28): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000001e00e642): kobject_cleanup, parent 000000003c052d6a kobject: 'rx-0' (000000001e00e642): auto cleanup 'remove' event kobject: 'rx-0' (000000001e00e642): kobject_uevent_env kobject: 'rx-0' (000000001e00e642): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000001e00e642): auto cleanup kobject_del kobject: 'rx-0' (000000001e00e642): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009b0658ae): kobject_cleanup, parent 000000003c052d6a kobject: 'tx-0' (000000009b0658ae): auto cleanup 'remove' event kobject: 'tx-0' (000000009b0658ae): kobject_uevent_env kobject: 'tx-0' (000000009b0658ae): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000009b0658ae): auto cleanup kobject_del kobject: 'tx-0' (000000009b0658ae): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000003c052d6a): kobject_cleanup, parent (null) kobject: 'queues' (000000003c052d6a): calling ktype release kobject: 'queues' (000000003c052d6a): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (000000009ba6493f): kobject_uevent_env kobject: 'ip6gre0' (000000009ba6493f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000041125bcb): kobject_cleanup, parent 0000000014b83d8c kobject: 'rx-0' (0000000041125bcb): auto cleanup 'remove' event kobject: 'rx-0' (0000000041125bcb): kobject_uevent_env kobject: 'rx-0' (0000000041125bcb): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000041125bcb): auto cleanup kobject_del kobject: 'rx-0' (0000000041125bcb): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a5e65684): kobject_cleanup, parent 0000000014b83d8c kobject: 'tx-0' (00000000a5e65684): auto cleanup 'remove' event kobject: 'tx-0' (00000000a5e65684): kobject_uevent_env kobject: 'tx-0' (00000000a5e65684): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000a5e65684): auto cleanup kobject_del kobject: 'tx-0' (00000000a5e65684): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000014b83d8c): kobject_cleanup, parent (null) kobject: 'queues' (0000000014b83d8c): calling ktype release kobject: 'queues' (0000000014b83d8c): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (0000000054139a70): kobject_uevent_env kobject: 'ip6gre0' (0000000054139a70): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000aa07a6f0): kobject_cleanup, parent 0000000058172b9e kobject: 'rx-0' (00000000aa07a6f0): auto cleanup 'remove' event kobject: 'rx-0' (00000000aa07a6f0): kobject_uevent_env kobject: 'rx-0' (00000000aa07a6f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000aa07a6f0): auto cleanup kobject_del kobject: 'rx-0' (00000000aa07a6f0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000770505ae): kobject_cleanup, parent 0000000058172b9e kobject: 'tx-0' (00000000770505ae): auto cleanup 'remove' event kobject: 'tx-0' (00000000770505ae): kobject_uevent_env kobject: 'tx-0' (00000000770505ae): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000770505ae): auto cleanup kobject_del kobject: 'tx-0' (00000000770505ae): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000058172b9e): kobject_cleanup, parent (null) kobject: 'queues' (0000000058172b9e): calling ktype release kobject: 'queues' (0000000058172b9e): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000cef2a876): kobject_uevent_env kobject: 'ip6gre0' (00000000cef2a876): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000003d8382): kobject_cleanup, parent 00000000fa4f6a11 kobject: 'rx-0' (00000000003d8382): auto cleanup 'remove' event kobject: 'rx-0' (00000000003d8382): kobject_uevent_env kobject: 'rx-0' (00000000003d8382): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000003d8382): auto cleanup kobject_del kobject: 'rx-0' (00000000003d8382): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a73d0684): kobject_cleanup, parent 00000000fa4f6a11 kobject: 'tx-0' (00000000a73d0684): auto cleanup 'remove' event kobject: 'tx-0' (00000000a73d0684): kobject_uevent_env kobject: 'tx-0' (00000000a73d0684): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000a73d0684): auto cleanup kobject_del kobject: 'tx-0' (00000000a73d0684): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000fa4f6a11): kobject_cleanup, parent (null) kobject: 'queues' (00000000fa4f6a11): calling ktype release kobject: 'queues' (00000000fa4f6a11): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (000000002c94fd82): kobject_uevent_env kobject: 'ip6gre0' (000000002c94fd82): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000e9940369): kobject_cleanup, parent 00000000b01e00b1 kobject: 'rx-0' (00000000e9940369): auto cleanup 'remove' event kobject: 'rx-0' (00000000e9940369): kobject_uevent_env kobject: 'rx-0' (00000000e9940369): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000e9940369): auto cleanup kobject_del kobject: 'rx-0' (00000000e9940369): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008bb2a7bc): kobject_cleanup, parent 00000000b01e00b1 kobject: 'tx-0' (000000008bb2a7bc): auto cleanup 'remove' event kobject: 'tx-0' (000000008bb2a7bc): kobject_uevent_env kobject: 'tx-0' (000000008bb2a7bc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008bb2a7bc): auto cleanup kobject_del kobject: 'tx-0' (000000008bb2a7bc): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b01e00b1): kobject_cleanup, parent (null) kobject: 'queues' (00000000b01e00b1): calling ktype release kobject: 'queues' (00000000b01e00b1): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (000000004d28f026): kobject_uevent_env kobject: 'ip6gre0' (000000004d28f026): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000754b52a6): kobject_cleanup, parent 000000009877e7ba kobject: 'rx-0' (00000000754b52a6): auto cleanup 'remove' event kobject: 'rx-0' (00000000754b52a6): kobject_uevent_env kobject: 'rx-0' (00000000754b52a6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000754b52a6): auto cleanup kobject_del kobject: 'rx-0' (00000000754b52a6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004f3afe15): kobject_cleanup, parent 000000009877e7ba kobject: 'tx-0' (000000004f3afe15): auto cleanup 'remove' event kobject: 'tx-0' (000000004f3afe15): kobject_uevent_env kobject: 'tx-0' (000000004f3afe15): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004f3afe15): auto cleanup kobject_del kobject: 'tx-0' (000000004f3afe15): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009877e7ba): kobject_cleanup, parent (null) kobject: 'queues' (000000009877e7ba): calling ktype release kobject: 'queues' (000000009877e7ba): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (000000000277dc31): kobject_uevent_env kobject: 'ip6gre0' (000000000277dc31): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000c3ee36ef): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000c3ee36ef): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000c3ee36ef): kobject_uevent_env kobject: 'ip6gre0' (00000000c3ee36ef): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000c3ee36ef): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (0000000059a48b28): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000059a48b28): auto cleanup 'remove' event kobject: 'ip6gre0' (0000000059a48b28): kobject_uevent_env kobject: 'ip6gre0' (0000000059a48b28): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (0000000059a48b28): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (000000009ba6493f): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000009ba6493f): auto cleanup 'remove' event kobject: 'ip6gre0' (000000009ba6493f): kobject_uevent_env kobject: 'ip6gre0' (000000009ba6493f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000009ba6493f): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (0000000054139a70): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000054139a70): auto cleanup 'remove' event kobject: 'ip6gre0' (0000000054139a70): kobject_uevent_env kobject: 'ip6gre0' (0000000054139a70): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (0000000054139a70): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (00000000cef2a876): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000cef2a876): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000cef2a876): kobject_uevent_env kobject: 'ip6gre0' (00000000cef2a876): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000cef2a876): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (000000002c94fd82): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000002c94fd82): auto cleanup 'remove' event kobject: 'ip6gre0' (000000002c94fd82): kobject_uevent_env kobject: 'ip6gre0' (000000002c94fd82): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000002c94fd82): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (000000004d28f026): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000004d28f026): auto cleanup 'remove' event