[ 9.432408][ T210] br0: port 1(dummy0) entered blocking state [ 9.432468][ T210] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.432471][ T210] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 210, name: ip [ 9.432472][ T210] preempt_count: 1, expected: 0 [ 9.432473][ T210] RCU nest depth: 0, expected: 0 [ 9.432474][ T210] locks held by ip/210: 5, last CPU#2: [ 9.432476][ T210] #0: ffffffff8f31b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 9.432488][ T210] #1: ffffffff8eb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.432493][ T210] #2: ffffffff8eb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.432498][ T210] #3: ffffffff8ea9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.432501][ T210] #4: ffffffff8ea9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.432505][ T210] irq event stamp: 19604 [ 9.432506][ T210] hardirqs last enabled at (19603): [] __down_trylock_console_sem+0x86/0xa0 [ 9.432509][ T210] hardirqs last disabled at (19604): [] console_emit_next_record+0x3d4/0x4c0 [ 9.432511][ T210] softirqs last enabled at (19522): [] __alloc_skb+0x4c2/0x5f0 [ 9.432515][ T210] softirqs last disabled at (19520): [] __alloc_skb+0x4c2/0x5f0 [ 9.432517][ T210] Preemption disabled at: [ 9.432518][ T210] [] vprintk_emit+0x31b/0x3e0 [ 9.432523][ T210] CPU: 2 UID: 0 PID: 210 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.432526][ T210] Tainted: [W]=WARN [ 9.432527][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.432529][ T210] Call Trace: [ 9.432530][ T210] [ 9.432532][ T210] dump_stack_lvl+0x6f/0xa0 [ 9.432538][ T210] ? vprintk_emit+0x31b/0x3e0 [ 9.432539][ T210] __might_resched.cold+0x1fe/0x2c1 [ 9.432544][ T210] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.432548][ T210] ? __kmalloc_noprof+0xdb/0x760 [ 9.432552][ T210] __kmalloc_noprof+0x443/0x760 [ 9.432554][ T210] ? alloc_buf.isra.0+0x4b/0x260 [ 9.432561][ T210] ? do_raw_spin_unlock+0x59/0x250 [ 9.432563][ T210] alloc_buf.isra.0+0x4b/0x260 [ 9.432567][ T210] put_chars+0x1e1/0x2f0 [ 9.432570][ T210] ? __send_to_port+0x420/0x420 [ 9.432572][ T210] ? validate_chain+0x34a/0xc20 [ 9.432577][ T210] hvc_console_print+0x292/0x780 [ 9.432585][ T210] ? hvc_write+0x3a0/0x3a0 [ 9.432588][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432591][ T210] ? lock_acquire+0x13c/0x160 [ 9.432595][ T210] console_emit_next_record+0x22f/0x4c0 [ 9.432598][ T210] ? devkmsg_read+0x4b0/0x4b0 [ 9.432600][ T210] ? console_flush_one_record+0x106/0x710 [ 9.432604][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432605][ T210] ? lock_acquire+0x13c/0x160 [ 9.432609][ T210] console_flush_one_record+0x46f/0x710 [ 9.432613][ T210] ? console_emit_next_record+0x4c0/0x4c0 [ 9.432615][ T210] ? __lock_acquire+0x518/0xc20 [ 9.432621][ T210] console_unlock+0xee/0x1f0 [ 9.432624][ T210] ? console_flush_one_record+0x710/0x710 [ 9.432625][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432627][ T210] ? lock_acquire+0xe0/0x160 [ 9.432631][ T210] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.432633][ T210] ? vprintk_emit+0x320/0x3e0 [ 9.432635][ T210] vprintk_emit+0x37c/0x3e0 [ 9.432638][ T210] ? wake_up_klogd_work_func+0x90/0x90 [ 9.432639][ T210] ? trace_contention_end+0xb3/0x180 [ 9.432642][ T210] ? __mutex_lock+0x1db/0x1ea0 [ 9.432644][ T210] ? __mutex_lock+0x9a3/0x1ea0 [ 9.432648][ T210] _printk+0xc7/0x100 [ 9.432651][ T210] ? snapshot_read.cold+0x21/0x21 [ 9.432654][ T210] ? new_nbp+0x310/0x650 [ 9.432659][ T210] ? __mutex_unlock_slowpath+0x9e/0x740 [ 9.432663][ T210] br_set_state+0x22f/0x430 [ 9.432669][ T210] br_init_port+0xc4/0x200 [ 9.432671][ T210] new_nbp+0x3a0/0x650 [ 9.432675][ T210] br_add_if+0x212/0x1320 [ 9.432677][ T210] ? _mutex_trylock_nest_lock+0x390/0x390 [ 9.432679][ T210] ? is_bpf_text_address+0x72/0x110 [ 9.432685][ T210] do_set_master+0x3b2/0x780 [ 9.432689][ T210] do_setlink.isra.0+0x9ec/0x2a60 [ 9.432692][ T210] ? stack_trace_save+0x93/0xc0 [ 9.432696][ T210] ? rtnl_link_get_size+0x350/0x350 [ 9.432697][ T210] ? rcu_read_lock_any_held+0x66/0x90 [ 9.432700][ T210] ? stack_depot_save_flags+0x38e/0x790 [ 9.432703][ T210] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.432705][ T210] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.432707][ T210] ? validate_chain+0x38b/0xc20 [ 9.432709][ T210] ? kasan_save_stack+0x3d/0x50 [ 9.432712][ T210] ? kasan_save_stack+0x2f/0x50 [ 9.432713][ T210] ? kasan_save_track+0x14/0x30 [ 9.432714][ T210] ? __kasan_kmalloc+0x7b/0x90 [ 9.432716][ T210] ? __lock_acquire+0x518/0xc20 [ 9.432718][ T210] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 9.432721][ T210] ? ___sys_sendmsg+0xd0/0x1d0 [ 9.432725][ T210] ? lock_acquire.part.0+0xd4/0x280 [ 9.432727][ T210] ? rtnl_newlink+0x9a8/0x11b0 [ 9.432729][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432731][ T210] ? lock_acquire+0x13c/0x160 [ 9.432733][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432734][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432735][ T210] ? trace_contention_end+0xb3/0x180 [ 9.432737][ T210] ? __mutex_lock+0x1db/0x1ea0 [ 9.432739][ T210] ? __mutex_lock+0x9a3/0x1ea0 [ 9.432740][ T210] ? rtnl_newlink+0x9a8/0x11b0 [ 9.432744][ T210] ? ww_mutex_lock+0x160/0x160 [ 9.432745][ T210] ? nla_get_range_signed+0x3d0/0x3d0 [ 9.432750][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432752][ T210] ? __rtnl_newlink+0x3fa/0xa50 [ 9.432757][ T210] rtnl_newlink+0x9f1/0x11b0 [ 9.432767][ T210] ? rtnl_bridge_getlink+0x850/0x850 [ 9.432769][ T210] ? __lock_acquire+0x518/0xc20 [ 9.432773][ T210] ? lock_acquire.part.0+0xd4/0x280 [ 9.432775][ T210] ? find_held_lock+0x2b/0x80 [ 9.432777][ T210] ? rtnl_bridge_getlink+0x850/0x850 [ 9.432779][ T210] ? __lock_release.isra.0+0x69/0x1a0 [ 9.432783][ T210] ? rtnl_bridge_getlink+0x850/0x850 [ 9.432785][ T210] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 9.432788][ T210] ? rtnl_link_fill+0x920/0x920 [ 9.432789][ T210] ? __lock_acquire+0x518/0xc20 [ 9.432794][ T210] ? lock_acquire.part.0+0xd4/0x280 [ 9.432796][ T210] ? find_held_lock+0x2b/0x80 [ 9.432799][ T210] netlink_rcv_skb+0x14e/0x3a0 [ 9.432802][ T210] ? rtnl_link_fill+0x920/0x920 [ 9.432805][ T210] ? netlink_ack+0xcf0/0xcf0 [ 9.432811][ T210] ? netlink_deliver_tap+0xc5/0x330 [ 9.432813][ T210] ? netlink_deliver_tap+0x13c/0x330 [ 9.432817][ T210] netlink_unicast+0x486/0x750 [ 9.432821][ T210] ? netlink_attachskb+0x810/0x810 [ 9.432824][ T210] ? find_held_lock+0x2b/0x80 [ 9.432828][ T210] netlink_sendmsg+0x75b/0xc90 [ 9.432832][ T210] ? netlink_unicast+0x750/0x750 [ 9.432836][ T210] ? __lock_release.isra.0+0x69/0x1a0 [ 9.432837][ T210] ? __import_iovec+0x36c/0x620 [ 9.432843][ T210] __sock_sendmsg+0xce/0x190 [ 9.432845][ T210] ____sys_sendmsg+0x61a/0x860 [ 9.432848][ T210] ? copy_msghdr_from_user+0x279/0x420 [ 9.432850][ T210] ? sock_write_iter+0x400/0x400 [ 9.432851][ T210] ? move_addr_to_kernel+0x40/0x40 [ 9.432859][ T210] ___sys_sendmsg+0x14e/0x1d0 [ 9.432861][ T210] ? copy_msghdr_from_user+0x420/0x420 [ 9.432877][ T210] __sys_sendmsg+0x12c/0x1d0 [ 9.432880][ T210] ? __sys_sendmsg_sock+0x20/0x20 [ 9.432886][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.432889][ T210] do_syscall_64+0xff/0x530 [ 9.432892][ T210] ? exc_page_fault+0xee/0x100 [ 9.432895][ T210] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.432897][ T210] RIP: 0033:0x7f0053f1e54e [ 9.432901][ T210] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 9.432903][ T210] RSP: 002b:00007fff888f0bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.432905][ T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0053f1e54e [ 9.432906][ T210] RDX: 0000000000000000 RSI: 00007fff888f0c70 RDI: 0000000000000005 [ 9.432907][ T210] RBP: 00007fff888f0bd0 R08: 0000000000000000 R09: 0000000000000000 [ 9.432908][ T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91749a [ 9.432909][ T210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff888f1340 [ 9.432916][ T210] [ 9.475092][ T210] br0: port 1(dummy0) entered disabled state [ 9.475386][ T210] dummy0: entered allmulticast mode [ 9.476486][ T210] dummy0: entered promiscuous mode [ 9.488268][ T210] ip (210) used greatest stack depth: 23336 bytes left [ 9.508517][ T211] br0: port 1(dummy0) entered blocking state [ 9.508923][ T211] br0: port 1(dummy0) entered forwarding state [ 11.889404][ T71] dummy0: left allmulticast mode [ 11.889450][ T71] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.889452][ T71] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 71, name: kworker/u16:1 [ 11.889454][ T71] preempt_count: 1, expected: 0 [ 11.889455][ T71] RCU nest depth: 0, expected: 0 [ 11.889456][ T71] locks held by kworker/u16:1/71: 9, last CPU#3: [ 11.889458][ T71] #0: ff11000001a19d40 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 11.889472][ T71] #1: ffa00000004c7d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 11.889476][ T71] #2: ffffffff8f2ffa68 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbf/0x940 [ 11.889481][ T71] #3: ffffffff8f31b740 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x534/0x8f0 [ 11.889484][ T71] #4: ff1100000f8c4e10 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: dev_set_allmulti+0x96/0x240 [ 11.889488][ T71] #5: ffffffff8eb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.889492][ T71] #6: ffffffff8eb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.889496][ T71] #7: ffffffff8ea9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.889499][ T71] #8: ffffffff8ea9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.889503][ T71] irq event stamp: 1490 [ 11.889504][ T71] hardirqs last enabled at (1489): [] __down_trylock_console_sem+0x86/0xa0 [ 11.889507][ T71] hardirqs last disabled at (1490): [] console_emit_next_record+0x3d4/0x4c0 [ 11.889509][ T71] softirqs last enabled at (1436): [] netlink_release+0x17b/0xcf0 [ 11.889513][ T71] softirqs last disabled at (1434): [] netlink_release+0xd2/0xcf0 [ 11.889515][ T71] Preemption disabled at: [ 11.889516][ T71] [] vprintk_emit+0x31b/0x3e0 [ 11.889521][ T71] CPU: 3 UID: 0 PID: 71 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.889524][ T71] Tainted: [W]=WARN [ 11.889525][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.889527][ T71] Workqueue: netns cleanup_net [ 11.889530][ T71] Call Trace: [ 11.889532][ T71] [ 11.889534][ T71] dump_stack_lvl+0x6f/0xa0 [ 11.889540][ T71] ? vprintk_emit+0x31b/0x3e0 [ 11.889541][ T71] __might_resched.cold+0x1fe/0x2c1 [ 11.889546][ T71] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.889550][ T71] ? __kmalloc_noprof+0xdb/0x760 [ 11.889554][ T71] __kmalloc_noprof+0x443/0x760 [ 11.889556][ T71] ? alloc_buf.isra.0+0x4b/0x260 [ 11.889563][ T71] ? do_raw_spin_unlock+0x59/0x250 [ 11.889566][ T71] alloc_buf.isra.0+0x4b/0x260 [ 11.889570][ T71] put_chars+0x1e1/0x2f0 [ 11.889573][ T71] ? __send_to_port+0x420/0x420 [ 11.889576][ T71] ? validate_chain+0x34a/0xc20 [ 11.889581][ T71] hvc_console_print+0x292/0x780 [ 11.889585][ T71] ? __lock_acquire+0x518/0xc20 [ 11.889591][ T71] ? hvc_write+0x3a0/0x3a0 [ 11.889594][ T71] ? rcu_is_watching+0x16/0xd0 [ 11.889600][ T71] console_emit_next_record+0x22f/0x4c0 [ 11.889604][ T71] ? devkmsg_read+0x4b0/0x4b0 [ 11.889606][ T71] ? console_flush_one_record+0x106/0x710 [ 11.889609][ T71] ? rcu_is_watching+0x16/0xd0 [ 11.889611][ T71] ? lock_acquire+0x13c/0x160 [ 11.889615][ T71] console_flush_one_record+0x46f/0x710 [ 11.889619][ T71] ? console_emit_next_record+0x4c0/0x4c0 [ 11.889621][ T71] ? __lock_acquire+0x518/0xc20 [ 11.889627][ T71] console_unlock+0xee/0x1f0 [ 11.889630][ T71] ? console_flush_one_record+0x710/0x710 [ 11.889632][ T71] ? rcu_is_watching+0x16/0xd0 [ 11.889633][ T71] ? lock_acquire+0xe0/0x160 [ 11.889637][ T71] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.889639][ T71] ? vprintk_emit+0x320/0x3e0 [ 11.889642][ T71] vprintk_emit+0x37c/0x3e0 [ 11.889645][ T71] ? wake_up_klogd_work_func+0x90/0x90 [ 11.889646][ T71] ? __lock_acquire+0x518/0xc20 [ 11.889648][ T71] ? __queue_work+0x4ef/0xd30 [ 11.889654][ T71] _printk+0xc7/0x100 [ 11.889657][ T71] ? snapshot_read.cold+0x21/0x21 [ 11.889660][ T71] ? lock_acquire+0x13c/0x160 [ 11.889662][ T71] ? rcu_is_watching+0x16/0xd0 [ 11.889665][ T71] ? rcu_is_watching+0x16/0xd0 [ 11.889667][ T71] ? trace_contention_end+0xb3/0x180 [ 11.889668][ T71] ? netdev_name+0x43/0x60 [ 11.889672][ T71] ? __netdev_printk+0x17f/0x1d0 [ 11.889676][ T71] netdev_info+0xe2/0x116 [ 11.889679][ T71] ? netdev_notice+0x120/0x120 [ 11.889688][ T71] netif_set_allmulti.cold+0x7c/0x166 [ 11.889693][ T71] dev_set_allmulti+0xa6/0x240 [ 11.889696][ T71] del_nbp+0xb7/0xc10 [ 11.889699][ T71] ? unregister_netdevice_many+0x20/0x20 [ 11.889701][ T71] ? net_generic+0xb3/0x1e0 [ 11.889706][ T71] br_dev_delete+0x9d/0x1e0 [ 11.889710][ T71] br_net_exit_rtnl+0xb8/0x110 [ 11.889713][ T71] ops_undo_list+0x5be/0x8f0 [ 11.889718][ T71] ? netns_install+0x2a0/0x2a0 [ 11.889720][ T71] ? __lock_release.isra.0+0x69/0x1a0 [ 11.889725][ T71] cleanup_net+0x431/0x940 [ 11.889729][ T71] ? net_passive_dec+0x230/0x230 [ 11.889732][ T71] ? lock_acquire+0x13c/0x160 [ 11.889734][ T71] ? rcu_is_watching+0x16/0xd0 [ 11.889738][ T71] process_one_work+0xe3e/0x1560 [ 11.889745][ T71] ? __queue_delayed_work+0x470/0x470 [ 11.889748][ T71] ? lock_acquire.part.0+0xd4/0x280 [ 11.889756][ T71] worker_thread+0x4f1/0xd60 [ 11.889760][ T71] ? rescuer_thread+0x1340/0x1340 [ 11.889762][ T71] ? __kthread_parkme+0xbd/0x210 [ 11.889765][ T71] ? rescuer_thread+0x1340/0x1340 [ 11.889768][ T71] ? rescuer_thread+0x1340/0x1340 [ 11.889770][ T71] kthread+0x367/0x460 [ 11.889777][ T71] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.889780][ T71] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.889783][ T71] ret_from_fork+0x474/0x6b0 [ 11.889787][ T71] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 11.889791][ T71] ? __switch_to+0x5a3/0xe00 [ 11.889795][ T71] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.889798][ T71] ret_from_fork_asm+0x11/0x20 [ 11.889806][ T71] [ 11.913480][ T71] dummy0: left promiscuous mode [ 11.913882][ T71] br0: port 1(dummy0) entered disabled state