[ 10.787024][ T200] ip (200) used greatest stack depth: 23800 bytes left [ 10.787043][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.787045][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 10.787047][ T200] preempt_count: 2, expected: 0 [ 10.787048][ T200] RCU nest depth: 0, expected: 0 [ 10.787049][ T200] locks held by ip/200: 5, last CPU#3: [ 10.787051][ T200] #0: ffffffffa98167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.787063][ T200] #1: ffffffffa997ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.787068][ T200] #2: ffffffffa997de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.787072][ T200] #3: ffffffffa989d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.787076][ T200] #4: ffffffffa989d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.787080][ T200] irq event stamp: 22100 [ 10.787081][ T200] hardirqs last enabled at (22099): [] __down_trylock_console_sem+0x86/0xa0 [ 10.787085][ T200] hardirqs last disabled at (22100): [] console_emit_next_record+0x3d4/0x4c0 [ 10.787087][ T200] softirqs last enabled at (21912): [] handle_softirqs+0x67c/0x900 [ 10.787089][ T200] softirqs last disabled at (21907): [] __irq_exit_rcu+0x145/0x1c0 [ 10.787092][ T200] Preemption disabled at: [ 10.787093][ T200] [<0000000000000000>] 0x0 [ 10.787100][ T200] CPU: 3 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.787103][ T200] Tainted: [W]=WARN [ 10.787104][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.787106][ T200] Call Trace: [ 10.787107][ T200] [ 10.787109][ T200] dump_stack_lvl+0x6f/0xa0 [ 10.787116][ T200] __might_resched.cold+0x1fe/0x2c1 [ 10.787120][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.787125][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 10.787129][ T200] __kmalloc_noprof+0x443/0x760 [ 10.787131][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 10.787138][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.787141][ T200] alloc_buf.isra.0+0x4b/0x260 [ 10.787145][ T200] put_chars+0x1e1/0x2f0 [ 10.787147][ T200] ? __send_to_port+0x420/0x420 [ 10.787149][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.787152][ T200] ? validate_chain+0x38b/0xc20 [ 10.787158][ T200] hvc_console_print+0x292/0x780 [ 10.787166][ T200] ? hvc_write+0x3a0/0x3a0 [ 10.787168][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.787171][ T200] ? lock_acquire+0x13c/0x160 [ 10.787175][ T200] console_emit_next_record+0x22f/0x4c0 [ 10.787179][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 10.787181][ T200] ? console_flush_one_record+0x106/0x710 [ 10.787184][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.787186][ T200] ? lock_acquire+0x13c/0x160 [ 10.787189][ T200] console_flush_one_record+0x46f/0x710 [ 10.787194][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 10.787196][ T200] ? __lock_acquire+0x518/0xc20 [ 10.787201][ T200] console_unlock+0xee/0x1f0 [ 10.787204][ T200] ? console_flush_one_record+0x710/0x710 [ 10.787206][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.787208][ T200] ? lock_acquire+0xe0/0x160 [ 10.787211][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.787213][ T200] ? vprintk_emit+0x320/0x3e0 [ 10.787216][ T200] vprintk_emit+0x37c/0x3e0 [ 10.787219][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 10.787222][ T200] ? __lock_acquire+0x518/0xc20 [ 10.787226][ T200] _printk+0xc7/0x100 [ 10.787230][ T200] ? snapshot_read.cold+0x21/0x21 [ 10.787233][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.787235][ T200] ? __rwlock_init+0x150/0x150 [ 10.787239][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.787242][ T200] do_exit.cold+0x82/0x9c [ 10.787246][ T200] ? exit_notify+0x890/0x890 [ 10.787247][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 10.787250][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.787254][ T200] do_group_exit+0xb8/0x370 [ 10.787257][ T200] __x64_sys_exit_group+0x3c/0x50 [ 10.787259][ T200] x64_sys_call+0x1567/0x1570 [ 10.787261][ T200] do_syscall_64+0xff/0x530 [ 10.787266][ T200] ? exc_page_fault+0xee/0x100 [ 10.787269][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.787271][ T200] RIP: 0033:0x7f5d92bae1b8 [ 10.787273][ T200] Code: Unable to access opcode bytes at 0x7f5d92bae18e. [ 10.787274][ T200] RSP: 002b:00007ffdecfb9b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.787277][ T200] RAX: ffffffffffffffda RBX: 00007f5d92cdef88 RCX: 00007f5d92bae1b8 [ 10.787278][ T200] RDX: 00007f5d928f8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.787279][ T200] RBP: 00007ffdecfb9bf0 R08: 0000000000000000 R09: 0000000000000050 [ 10.787280][ T200] R10: 00007ffdecfb99b0 R11: 0000000000000246 R12: 0000000000000001 [ 10.787281][ T200] R13: 0000000000000000 R14: 00007f5d92cdd680 R15: 00007f5d92cdefa0 [ 10.787288][ T200] [ 11.064583][ T211] br0: port 1(dummy0) entered blocking state [ 11.065430][ T211] br0: port 1(dummy0) entered disabled state [ 11.066048][ T211] dummy0: entered allmulticast mode [ 11.068630][ T211] dummy0: entered promiscuous mode [ 11.104302][ T212] br0: port 1(dummy0) entered blocking state [ 11.104829][ T212] br0: port 1(dummy0) entered forwarding state [ 13.800335][ T12] dummy0: left allmulticast mode [ 13.800385][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.800387][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 13.800389][ T12] preempt_count: 1, expected: 0 [ 13.800390][ T12] RCU nest depth: 0, expected: 0 [ 13.800391][ T12] locks held by kworker/u16:0/12: 9, last CPU#0: [ 13.800393][ T12] #0: ff11000001a19d40 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 13.800406][ T12] #1: ffa00000000c7d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 13.800410][ T12] #2: ffffffffaa0ffa68 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbf/0x940 [ 13.800416][ T12] #3: ffffffffaa11b740 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x534/0x8f0 [ 13.800419][ T12] #4: ff1100000fd0ce10 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: dev_set_allmulti+0x96/0x240 [ 13.800423][ T12] #5: ffffffffa997ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.800427][ T12] #6: ffffffffa997de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.800432][ T12] #7: ffffffffa989d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.800436][ T12] #8: ffffffffa989d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.800440][ T12] irq event stamp: 1572 [ 13.800440][ T12] hardirqs last enabled at (1571): [] __down_trylock_console_sem+0x86/0xa0 [ 13.800444][ T12] hardirqs last disabled at (1572): [] console_emit_next_record+0x3d4/0x4c0 [ 13.800446][ T12] softirqs last enabled at (1518): [] netlink_release+0x17b/0xcf0 [ 13.800449][ T12] softirqs last disabled at (1516): [] netlink_release+0xd2/0xcf0 [ 13.800451][ T12] Preemption disabled at: [ 13.800452][ T12] [] vprintk_emit+0x31b/0x3e0 [ 13.800457][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.800460][ T12] Tainted: [W]=WARN [ 13.800461][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.800463][ T12] Workqueue: netns cleanup_net [ 13.800467][ T12] Call Trace: [ 13.800468][ T12] [ 13.800470][ T12] dump_stack_lvl+0x6f/0xa0 [ 13.800476][ T12] ? vprintk_emit+0x31b/0x3e0 [ 13.800478][ T12] __might_resched.cold+0x1fe/0x2c1 [ 13.800482][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.800486][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 13.800490][ T12] __kmalloc_noprof+0x443/0x760 [ 13.800492][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 13.800499][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 13.800502][ T12] alloc_buf.isra.0+0x4b/0x260 [ 13.800506][ T12] put_chars+0x1e1/0x2f0 [ 13.800509][ T12] ? __send_to_port+0x420/0x420 [ 13.800512][ T12] ? validate_chain+0x34a/0xc20 [ 13.800518][ T12] hvc_console_print+0x292/0x780 [ 13.800522][ T12] ? __lock_acquire+0x518/0xc20 [ 13.800528][ T12] ? hvc_write+0x3a0/0x3a0 [ 13.800531][ T12] ? rcu_is_watching+0x16/0xd0 [ 13.800537][ T12] console_emit_next_record+0x22f/0x4c0 [ 13.800542][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 13.800543][ T12] ? console_flush_one_record+0x106/0x710 [ 13.800547][ T12] ? rcu_is_watching+0x16/0xd0 [ 13.800549][ T12] ? lock_acquire+0x13c/0x160 [ 13.800553][ T12] console_flush_one_record+0x46f/0x710 [ 13.800558][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 13.800560][ T12] ? __lock_acquire+0x518/0xc20 [ 13.800566][ T12] console_unlock+0xee/0x1f0 [ 13.800569][ T12] ? console_flush_one_record+0x710/0x710 [ 13.800570][ T12] ? rcu_is_watching+0x16/0xd0 [ 13.800572][ T12] ? lock_acquire+0xe0/0x160 [ 13.800576][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.800578][ T12] ? vprintk_emit+0x320/0x3e0 [ 13.800581][ T12] vprintk_emit+0x37c/0x3e0 [ 13.800584][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 13.800586][ T12] ? __lock_acquire+0x518/0xc20 [ 13.800588][ T12] ? __queue_work+0x4f1/0xd30 [ 13.800593][ T12] _printk+0xc7/0x100 [ 13.800597][ T12] ? snapshot_read.cold+0x21/0x21 [ 13.800600][ T12] ? lock_acquire+0x13c/0x160 [ 13.800602][ T12] ? rcu_is_watching+0x16/0xd0 [ 13.800603][ T12] ? rcu_is_watching+0x16/0xd0 [ 13.800605][ T12] ? trace_contention_end+0xb3/0x180 [ 13.800606][ T12] ? netdev_name+0x43/0x60 [ 13.800610][ T12] ? __netdev_printk+0x17f/0x1d0 [ 13.800614][ T12] netdev_info+0xe2/0x116 [ 13.800617][ T12] ? netdev_notice+0x120/0x120 [ 13.800627][ T12] netif_set_allmulti.cold+0x7c/0x166 [ 13.800631][ T12] dev_set_allmulti+0xa6/0x240 [ 13.800634][ T12] del_nbp+0xb7/0xc10 [ 13.800638][ T12] ? unregister_netdevice_many+0x20/0x20 [ 13.800639][ T12] ? net_generic+0xb3/0x1e0 [ 13.800645][ T12] br_dev_delete+0x9d/0x1e0 [ 13.800649][ T12] br_net_exit_rtnl+0xb8/0x110 [ 13.800652][ T12] ops_undo_list+0x5be/0x8f0 [ 13.800663][ T12] ? netns_install+0x2a0/0x2a0 [ 13.800665][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 13.800670][ T12] cleanup_net+0x431/0x940 [ 13.800674][ T12] ? net_passive_dec+0x230/0x230 [ 13.800678][ T12] ? lock_acquire+0x13c/0x160 [ 13.800680][ T12] ? rcu_is_watching+0x16/0xd0 [ 13.800683][ T12] process_one_work+0xe3e/0x1560 [ 13.800690][ T12] ? __queue_delayed_work+0x470/0x470 [ 13.800694][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 13.800702][ T12] worker_thread+0x4f1/0xd60 [ 13.800709][ T12] ? rescuer_thread+0x1340/0x1340 [ 13.800711][ T12] kthread+0x367/0x460 [ 13.800714][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.800717][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 13.800720][ T12] ret_from_fork+0x474/0x6b0 [ 13.800724][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 13.800727][ T12] ? __switch_to+0x5a3/0xe00 [ 13.800731][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 13.800734][ T12] ret_from_fork_asm+0x11/0x20 [ 13.800743][ T12] [ 13.823623][ T12] dummy0: left promiscuous mode [ 13.824125][ T12] br0: port 1(dummy0) entered disabled state