[ 9.420113][ T199] ip (199) used greatest stack depth: 23560 bytes left [ 9.420130][ T199] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.420132][ T199] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 199, name: ip [ 9.420133][ T199] preempt_count: 2, expected: 0 [ 9.420134][ T199] RCU nest depth: 0, expected: 0 [ 9.420135][ T199] locks held by ip/199: 5, last CPU#2: [ 9.420137][ T199] #0: ffffffff888167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.420148][ T199] #1: ffffffff8897ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.420154][ T199] #2: ffffffff8897de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.420158][ T199] #3: ffffffff8889d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.420162][ T199] #4: ffffffff8889d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.420166][ T199] irq event stamp: 22406 [ 9.420166][ T199] hardirqs last enabled at (22405): [] __down_trylock_console_sem+0x86/0xa0 [ 9.420169][ T199] hardirqs last disabled at (22406): [] console_emit_next_record+0x3d4/0x4c0 [ 9.420171][ T199] softirqs last enabled at (20744): [] netlink_release+0x17b/0xcf0 [ 9.420175][ T199] softirqs last disabled at (20742): [] netlink_release+0xd2/0xcf0 [ 9.420178][ T199] Preemption disabled at: [ 9.420178][ T199] [<0000000000000000>] 0x0 [ 9.420184][ T199] CPU: 2 UID: 0 PID: 199 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.420188][ T199] Tainted: [W]=WARN [ 9.420189][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.420190][ T199] Call Trace: [ 9.420192][ T199] [ 9.420193][ T199] dump_stack_lvl+0x6f/0xa0 [ 9.420200][ T199] __might_resched.cold+0x1fe/0x2c1 [ 9.420204][ T199] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.420208][ T199] ? __kmalloc_noprof+0xdb/0x760 [ 9.420212][ T199] __kmalloc_noprof+0x443/0x760 [ 9.420214][ T199] ? alloc_buf.isra.0+0x4b/0x260 [ 9.420224][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 9.420227][ T199] alloc_buf.isra.0+0x4b/0x260 [ 9.420230][ T199] put_chars+0x1e1/0x2f0 [ 9.420233][ T199] ? __send_to_port+0x420/0x420 [ 9.420234][ T199] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.420237][ T199] ? validate_chain+0x38b/0xc20 [ 9.420243][ T199] hvc_console_print+0x292/0x780 [ 9.420250][ T199] ? hvc_write+0x3a0/0x3a0 [ 9.420253][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.420254][ T199] ? lock_acquire+0x13c/0x160 [ 9.420258][ T199] console_emit_next_record+0x22f/0x4c0 [ 9.420262][ T199] ? devkmsg_read+0x4b0/0x4b0 [ 9.420264][ T199] ? console_flush_one_record+0x106/0x710 [ 9.420267][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.420269][ T199] ? lock_acquire+0x13c/0x160 [ 9.420273][ T199] console_flush_one_record+0x46f/0x710 [ 9.420277][ T199] ? console_emit_next_record+0x4c0/0x4c0 [ 9.420279][ T199] ? __lock_acquire+0x518/0xc20 [ 9.420284][ T199] console_unlock+0xee/0x1f0 [ 9.420287][ T199] ? console_flush_one_record+0x710/0x710 [ 9.420289][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.420290][ T199] ? lock_acquire+0xe0/0x160 [ 9.420294][ T199] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.420296][ T199] ? vprintk_emit+0x320/0x3e0 [ 9.420298][ T199] vprintk_emit+0x37c/0x3e0 [ 9.420301][ T199] ? wake_up_klogd_work_func+0x90/0x90 [ 9.420304][ T199] ? __lock_acquire+0x518/0xc20 [ 9.420308][ T199] _printk+0xc7/0x100 [ 9.420311][ T199] ? snapshot_read.cold+0x21/0x21 [ 9.420314][ T199] ? do_raw_spin_lock+0x131/0x280 [ 9.420317][ T199] ? __rwlock_init+0x150/0x150 [ 9.420320][ T199] ? do_raw_spin_lock+0x131/0x280 [ 9.420323][ T199] do_exit.cold+0x82/0x9c [ 9.420327][ T199] ? exit_notify+0x890/0x890 [ 9.420328][ T199] ? __lock_release.isra.0+0x69/0x1a0 [ 9.420331][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.420334][ T199] do_group_exit+0xb8/0x370 [ 9.420337][ T199] __x64_sys_exit_group+0x3c/0x50 [ 9.420339][ T199] x64_sys_call+0x1567/0x1570 [ 9.420341][ T199] do_syscall_64+0xff/0x530 [ 9.420345][ T199] ? exc_page_fault+0xee/0x100 [ 9.420347][ T199] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.420350][ T199] RIP: 0033:0x7f61124bf1b8 [ 9.420352][ T199] Code: Unable to access opcode bytes at 0x7f61124bf18e. [ 9.420353][ T199] RSP: 002b:00007ffff1cc2868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.420355][ T199] RAX: ffffffffffffffda RBX: 00007f61125eff88 RCX: 00007f61124bf1b8 [ 9.420356][ T199] RDX: 00007f6112209fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.420357][ T199] RBP: 00007ffff1cc28c0 R08: 0000000000000000 R09: 0000000000000050 [ 9.420358][ T199] R10: 00007ffff1cc2680 R11: 0000000000000246 R12: 0000000000000001 [ 9.420358][ T199] R13: 0000000000000000 R14: 00007f61125ee680 R15: 00007f61125effa0 [ 9.420365][ T199] [ 9.709114][ T209] br0: port 1(dummy0) entered blocking state [ 9.709603][ T209] br0: port 1(dummy0) entered disabled state [ 9.709932][ T209] dummy0: entered allmulticast mode [ 9.711200][ T209] dummy0: entered promiscuous mode [ 9.743758][ T210] br0: port 1(dummy0) entered blocking state [ 9.744201][ T210] br0: port 1(dummy0) entered forwarding state [ 12.197272][ T12] dummy0: left allmulticast mode [ 12.197320][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.197322][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 12.197324][ T12] preempt_count: 1, expected: 0 [ 12.197325][ T12] RCU nest depth: 0, expected: 0 [ 12.197325][ T12] locks held by kworker/u16:0/12: 9, last CPU#1: [ 12.197327][ T12] #0: ff11000001a19d40 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 12.197340][ T12] #1: ffa00000000c7d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 12.197344][ T12] #2: ffffffff890ffa68 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbf/0x940 [ 12.197349][ T12] #3: ffffffff8911b740 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x534/0x8f0 [ 12.197352][ T12] #4: ff1100000f681e10 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: dev_set_allmulti+0x96/0x240 [ 12.197356][ T12] #5: ffffffff8897ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.197360][ T12] #6: ffffffff8897de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.197364][ T12] #7: ffffffff8889d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.197367][ T12] #8: ffffffff8889d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.197371][ T12] irq event stamp: 1614 [ 12.197372][ T12] hardirqs last enabled at (1613): [] __down_trylock_console_sem+0x86/0xa0 [ 12.197375][ T12] hardirqs last disabled at (1614): [] console_emit_next_record+0x3d4/0x4c0 [ 12.197377][ T12] softirqs last enabled at (1560): [] netlink_release+0x17b/0xcf0 [ 12.197380][ T12] softirqs last disabled at (1558): [] netlink_release+0xd2/0xcf0 [ 12.197383][ T12] Preemption disabled at: [ 12.197384][ T12] [] vprintk_emit+0x31b/0x3e0 [ 12.197388][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.197392][ T12] Tainted: [W]=WARN [ 12.197393][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.197395][ T12] Workqueue: netns cleanup_net [ 12.197398][ T12] Call Trace: [ 12.197399][ T12] [ 12.197401][ T12] dump_stack_lvl+0x6f/0xa0 [ 12.197407][ T12] ? vprintk_emit+0x31b/0x3e0 [ 12.197409][ T12] __might_resched.cold+0x1fe/0x2c1 [ 12.197413][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.197417][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 12.197422][ T12] __kmalloc_noprof+0x443/0x760 [ 12.197424][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 12.197430][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 12.197433][ T12] alloc_buf.isra.0+0x4b/0x260 [ 12.197437][ T12] put_chars+0x1e1/0x2f0 [ 12.197439][ T12] ? __send_to_port+0x420/0x420 [ 12.197443][ T12] ? validate_chain+0x34a/0xc20 [ 12.197448][ T12] hvc_console_print+0x292/0x780 [ 12.197451][ T12] ? __lock_acquire+0x518/0xc20 [ 12.197457][ T12] ? hvc_write+0x3a0/0x3a0 [ 12.197460][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.197465][ T12] console_emit_next_record+0x22f/0x4c0 [ 12.197470][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 12.197472][ T12] ? console_flush_one_record+0x106/0x710 [ 12.197475][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.197477][ T12] ? lock_acquire+0x13c/0x160 [ 12.197481][ T12] console_flush_one_record+0x46f/0x710 [ 12.197485][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 12.197487][ T12] ? __lock_acquire+0x518/0xc20 [ 12.197493][ T12] console_unlock+0xee/0x1f0 [ 12.197496][ T12] ? console_flush_one_record+0x710/0x710 [ 12.197497][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.197499][ T12] ? lock_acquire+0xe0/0x160 [ 12.197503][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.197505][ T12] ? vprintk_emit+0x320/0x3e0 [ 12.197508][ T12] vprintk_emit+0x37c/0x3e0 [ 12.197511][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 12.197512][ T12] ? __lock_acquire+0x518/0xc20 [ 12.197514][ T12] ? __queue_work+0x4ef/0xd30 [ 12.197519][ T12] _printk+0xc7/0x100 [ 12.197523][ T12] ? snapshot_read.cold+0x21/0x21 [ 12.197526][ T12] ? lock_acquire+0x13c/0x160 [ 12.197527][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.197529][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.197530][ T12] ? trace_contention_end+0xb3/0x180 [ 12.197532][ T12] ? netdev_name+0x43/0x60 [ 12.197535][ T12] ? __netdev_printk+0x17f/0x1d0 [ 12.197539][ T12] netdev_info+0xe2/0x116 [ 12.197542][ T12] ? netdev_notice+0x120/0x120 [ 12.197551][ T12] netif_set_allmulti.cold+0x7c/0x166 [ 12.197555][ T12] dev_set_allmulti+0xa6/0x240 [ 12.197558][ T12] del_nbp+0xb7/0xc10 [ 12.197562][ T12] ? unregister_netdevice_many+0x20/0x20 [ 12.197563][ T12] ? net_generic+0xb3/0x1e0 [ 12.197568][ T12] br_dev_delete+0x9d/0x1e0 [ 12.197572][ T12] br_net_exit_rtnl+0xb8/0x110 [ 12.197575][ T12] ops_undo_list+0x5be/0x8f0 [ 12.197580][ T12] ? netns_install+0x2a0/0x2a0 [ 12.197581][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.197587][ T12] cleanup_net+0x431/0x940 [ 12.197590][ T12] ? net_passive_dec+0x230/0x230 [ 12.197594][ T12] ? lock_acquire+0x13c/0x160 [ 12.197596][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.197599][ T12] process_one_work+0xe3e/0x1560 [ 12.197606][ T12] ? __queue_delayed_work+0x470/0x470 [ 12.197609][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.197617][ T12] worker_thread+0x4f1/0xd60 [ 12.197624][ T12] ? rescuer_thread+0x1340/0x1340 [ 12.197627][ T12] kthread+0x367/0x460 [ 12.197629][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.197632][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 12.197635][ T12] ret_from_fork+0x474/0x6b0 [ 12.197639][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 12.197643][ T12] ? __switch_to+0x5a3/0xe00 [ 12.197646][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 12.197649][ T12] ret_from_fork_asm+0x11/0x20 [ 12.197658][ T12] [ 12.221314][ T12] dummy0: left promiscuous mode [ 12.221736][ T12] br0: port 1(dummy0) entered disabled state