[ 30.661719][ T278] eth3: renamed from tmp [ 32.278074][ T285] eth2: renamed from tmp [ 34.607501][ T295] eth0: renamed from tmp [ 35.273001][ T298] br0: port 1(eth0) entered blocking state [ 35.273517][ T298] br0: port 1(eth0) entered disabled state [ 35.273738][ T298] eth0: entered allmulticast mode [ 35.274898][ T298] eth0: entered promiscuous mode [ 35.276228][ T298] br0: port 1(eth0) entered blocking state [ 35.276530][ T298] br0: port 1(eth0) entered forwarding state [ 36.221737][ T302] eth1: renamed from tmp [ 36.881513][ T305] br0: port 2(eth1) entered blocking state [ 36.881737][ T305] br0: port 2(eth1) entered disabled state [ 36.881948][ T305] eth1: entered allmulticast mode [ 36.883055][ T305] eth1: entered promiscuous mode [ 36.883899][ T305] br0: port 2(eth1) entered blocking state [ 36.884101][ T305] br0: port 2(eth1) entered forwarding state [ 37.114908][ C3] [ 37.115084][ C3] ======================================================== [ 37.115329][ C3] WARNING: possible irq lock inversion dependency detected [ 37.115573][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 37.115736][ C3] -------------------------------------------------------- [ 37.115978][ C3] ping6/306 just changed the state of lock: [ 37.116181][ C3] ffff888005b45580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 37.116476][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 37.116721][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 37.116726][ C3] [ 37.116726][ C3] [ 37.116726][ C3] and interrupts could create inverse lock ordering between them. [ 37.116726][ C3] [ 37.117325][ C3] [ 37.117325][ C3] other info that might help us debug this: [ 37.117566][ C3] Possible interrupt unsafe locking scenario: [ 37.117566][ C3] [ 37.117809][ C3] CPU0 CPU1 [ 37.117972][ C3] ---- ---- [ 37.118135][ C3] lock(&p->alloc_lock); [ 37.118263][ C3] local_irq_disable(); [ 37.118463][ C3] lock(&ndev->lock); [ 37.118668][ C3] lock(&p->alloc_lock); [ 37.118874][ C3] [ 37.118997][ C3] lock(&ndev->lock); [ 37.119122][ C3] [ 37.119122][ C3] *** DEADLOCK *** [ 37.119122][ C3] [ 37.119366][ C3] 6 locks held by ping6/306: [ 37.119530][ C3] #0: ffff888006513718 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 37.119824][ C3] #1: ffffffffaa766360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 37.120115][ C3] #2: ffffffffaa766360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 37.120407][ C3] #3: ffffffffaa766360 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal+0x84/0x330 [ 37.120738][ C3] #4: ffffffffaa766360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 37.121035][ C3] #5: ffffffffaa766360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 37.121324][ C3] [ 37.121324][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 37.121607][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 37.121778][ C3] HARDIRQ-ON-W at: [ 37.121904][ C3] __lock_acquire+0x797/0x1570 [ 37.122113][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.122320][ C3] _raw_spin_lock+0x30/0x40 [ 37.122537][ C3] set_mems_allowed+0x1d/0x210 [ 37.122745][ C3] kernel_init_freeable+0x72/0x310 [ 37.122953][ C3] kernel_init+0x20/0x200 [ 37.123164][ C3] ret_from_fork+0x31/0x70 [ 37.123372][ C3] ret_from_fork_asm+0x1a/0x30 [ 37.123579][ C3] SOFTIRQ-ON-W at: [ 37.123706][ C3] __lock_acquire+0x797/0x1570 [ 37.123913][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.124120][ C3] _raw_spin_lock+0x30/0x40 [ 37.124330][ C3] set_mems_allowed+0x1d/0x210 [ 37.124553][ C3] kernel_init_freeable+0x72/0x310 [ 37.124760][ C3] kernel_init+0x20/0x200 [ 37.124966][ C3] ret_from_fork+0x31/0x70 [ 37.125176][ C3] ret_from_fork_asm+0x1a/0x30 [ 37.125383][ C3] INITIAL USE at: [ 37.125508][ C3] __lock_acquire+0x797/0x1570 [ 37.125717][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.125926][ C3] _raw_spin_lock+0x30/0x40 [ 37.126133][ C3] set_mems_allowed+0x1d/0x210 [ 37.126339][ C3] kernel_init_freeable+0x72/0x310 [ 37.126547][ C3] kernel_init+0x20/0x200 [ 37.126754][ C3] ret_from_fork+0x31/0x70 [ 37.126963][ C3] ret_from_fork_asm+0x1a/0x30 [ 37.127170][ C3] } [ 37.127253][ C3] ... key at: [] __key.388+0x0/0x40 [ 37.127500][ C3] ... acquired at: [ 37.127622][ C3] __lock_acquire+0xaf0/0x1570 [ 37.127787][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.127953][ C3] _raw_spin_lock+0x30/0x40 [ 37.128117][ C3] __get_task_comm+0x27/0x70 [ 37.128281][ C3] ref_tracker_alloc+0x2ee/0x490 [ 37.128446][ C3] netdev_get_by_index+0x5e/0x80 [ 37.128611][ C3] fib6_nh_init+0x3d8/0x1580 [ 37.128775][ C3] ip6_route_info_create+0xf18/0x17d0 [ 37.128938][ C3] addrconf_f6i_alloc+0x265/0x560 [ 37.129101][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 37.129265][ C3] addrconf_join_anycast+0x1c0/0x220 [ 37.129432][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 37.129595][ C3] addrconf_dad_completed+0x12b/0xe20 [ 37.129758][ C3] addrconf_dad_begin+0x310/0x670 [ 37.129920][ C3] addrconf_dad_work+0x10b/0xab0 [ 37.130083][ C3] process_one_work+0xe2c/0x1730 [ 37.130249][ C3] worker_thread+0x587/0xd30 [ 37.130413][ C3] kthread+0x28a/0x350 [ 37.130540][ C3] ret_from_fork+0x31/0x70 [ 37.130705][ C3] ret_from_fork_asm+0x1a/0x30 [ 37.130869][ C3] [ 37.130960][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 37.131128][ C3] HARDIRQ-ON-W at: [ 37.131250][ C3] __lock_acquire+0x797/0x1570 [ 37.131457][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.131663][ C3] _raw_write_lock_bh+0x38/0x50 [ 37.131874][ C3] addrconf_permanent_addr+0x6e/0x670 [ 37.132083][ C3] addrconf_notify+0x749/0xd60 [ 37.132289][ C3] notifier_call_chain+0xcd/0x150 [ 37.132497][ C3] __dev_notify_flags+0xe6/0x250 [ 37.132704][ C3] dev_change_flags+0xec/0x160 [ 37.132911][ C3] do_setlink+0x7d6/0x21e0 [ 37.133118][ C3] __rtnl_newlink+0xaa7/0xd80 [ 37.133335][ C3] rtnl_newlink+0x63/0xa0 [ 37.133655][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.133861][ C3] netlink_rcv_skb+0x130/0x360 [ 37.134068][ C3] netlink_unicast+0x449/0x710 [ 37.134273][ C3] netlink_sendmsg+0x723/0xbe0 [ 37.134588][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 37.134796][ C3] ___sys_sendmsg+0xee/0x170 [ 37.135002][ C3] __sys_sendmsg+0xcd/0x170 [ 37.135316][ C3] do_syscall_64+0xc6/0x1e0 [ 37.135522][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.135768][ C3] HARDIRQ-ON-R at: [ 37.135892][ C3] __lock_acquire+0x797/0x1570 [ 37.136207][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.136415][ C3] _raw_read_lock_bh+0x44/0x80 [ 37.136631][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.136945][ C3] inet6_fill_link_af+0x5e/0xe0 [ 37.137151][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 37.137356][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.137562][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.137918][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 37.138125][ C3] register_netdevice+0x1177/0x1690 [ 37.138332][ C3] register_netdev+0x20/0x40 [ 37.138645][ C3] vti6_init_net+0x25d/0x380 [ 37.138851][ C3] ops_init+0x9b/0x560 [ 37.139022][ C3] register_pernet_operations+0x2db/0x710 [ 37.139378][ C3] register_pernet_device+0x2a/0x60 [ 37.139584][ C3] vti6_tunnel_init+0x18/0x110 [ 37.139791][ C3] do_one_initcall+0x8d/0x1e0 [ 37.139998][ C3] do_initcalls+0x1b2/0x3e0 [ 37.140318][ C3] kernel_init_freeable+0x232/0x310 [ 37.140524][ C3] kernel_init+0x20/0x200 [ 37.140729][ C3] ret_from_fork+0x31/0x70 [ 37.141053][ C3] ret_from_fork_asm+0x1a/0x30 [ 37.141258][ C3] IN-SOFTIRQ-R at: [ 37.141381][ C3] __lock_acquire+0x797/0x1570 [ 37.141587][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.141901][ C3] _raw_read_lock_bh+0x44/0x80 [ 37.142105][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 37.142309][ C3] ndisc_send_ns+0xe7/0x100 [ 37.142628][ C3] ndisc_solicit+0x2ae/0x4d0 [ 37.142835][ C3] neigh_probe+0xaa/0xf0 [ 37.143040][ C3] __neigh_event_send+0x7af/0xfe0 [ 37.143243][ C3] neigh_resolve_output+0x470/0x7c0 [ 37.143560][ C3] ip6_finish_output2+0x512/0xf60 [ 37.143765][ C3] ip6_finish_output+0x553/0xdf0 [ 37.143974][ C3] ip6_output+0x1f3/0x770 [ 37.144285][ C3] ip6_forward+0xf29/0x2980 [ 37.144489][ C3] ipv6_rcv+0x626/0x810 [ 37.144693][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.145049][ C3] netif_receive_skb_internal+0xb0/0x330 [ 37.145294][ C3] netif_receive_skb+0x1b/0x30 [ 37.145501][ C3] br_handle_frame_finish+0xbef/0x1ce0 [ 37.145922][ C3] br_handle_frame+0x60d/0xd60 [ 37.146128][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 37.146375][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 37.146727][ C3] process_backlog+0x103/0x670 [ 37.146932][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 37.147140][ C3] net_rx_action+0x49f/0xc00 [ 37.147345][ C3] __do_softirq+0x1f8/0x5df [ 37.147662][ C3] do_softirq+0x4d/0xa0 [ 37.147868][ C3] __local_bh_enable_ip+0xf6/0x120 [ 37.148079][ C3] __neigh_event_send+0x2e4/0xfe0 [ 37.148390][ C3] neigh_resolve_output+0x470/0x7c0 [ 37.148597][ C3] ip6_finish_output2+0x512/0xf60 [ 37.148804][ C3] ip6_finish_output+0x553/0xdf0 [ 37.149009][ C3] ip6_output+0x1f3/0x770 [ 37.149320][ C3] ip6_send_skb+0xbd/0x280 [ 37.149523][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 37.149774][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 37.150089][ C3] __sys_sendto+0x332/0x410 [ 37.150297][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 37.150501][ C3] do_syscall_64+0xc6/0x1e0 [ 37.150814][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.151073][ C3] INITIAL USE at: [ 37.151196][ C3] __lock_acquire+0x797/0x1570 [ 37.151401][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.151717][ C3] _raw_write_lock_bh+0x38/0x50 [ 37.151923][ C3] addrconf_permanent_addr+0x6e/0x670 [ 37.152129][ C3] addrconf_notify+0x749/0xd60 [ 37.152444][ C3] notifier_call_chain+0xcd/0x150 [ 37.152648][ C3] __dev_notify_flags+0xe6/0x250 [ 37.152854][ C3] dev_change_flags+0xec/0x160 [ 37.153058][ C3] do_setlink+0x7d6/0x21e0 [ 37.153372][ C3] __rtnl_newlink+0xaa7/0xd80 [ 37.153579][ C3] rtnl_newlink+0x63/0xa0 [ 37.153784][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.154095][ C3] netlink_rcv_skb+0x130/0x360 [ 37.154300][ C3] netlink_unicast+0x449/0x710 [ 37.154504][ C3] netlink_sendmsg+0x723/0xbe0 [ 37.154822][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 37.155026][ C3] ___sys_sendmsg+0xee/0x170 [ 37.155232][ C3] __sys_sendmsg+0xcd/0x170 [ 37.155435][ C3] do_syscall_64+0xc6/0x1e0 [ 37.155746][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.155992][ C3] INITIAL READ USE at: [ 37.156115][ C3] __lock_acquire+0x797/0x1570 [ 37.156430][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.156635][ C3] _raw_read_lock_bh+0x44/0x80 [ 37.156838][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.157085][ C3] inet6_fill_link_af+0x5e/0xe0 [ 37.157399][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 37.157603][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.157852][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.158207][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 37.158415][ C3] register_netdevice+0x1177/0x1690 [ 37.158659][ C3] register_netdev+0x20/0x40 [ 37.159081][ C3] vti6_init_net+0x25d/0x380 [ 37.159287][ C3] ops_init+0x9b/0x560 [ 37.159509][ C3] register_pernet_operations+0x2db/0x710 [ 37.159862][ C3] register_pernet_device+0x2a/0x60 [ 37.160106][ C3] vti6_tunnel_init+0x18/0x110 [ 37.160313][ C3] do_one_initcall+0x8d/0x1e0 [ 37.160627][ C3] do_initcalls+0x1b2/0x3e0 [ 37.160837][ C3] kernel_init_freeable+0x232/0x310 [ 37.161086][ C3] kernel_init+0x20/0x200 [ 37.161399][ C3] ret_from_fork+0x31/0x70 [ 37.161606][ C3] ret_from_fork_asm+0x1a/0x30 [ 37.161809][ C3] } [ 37.161895][ C3] ... key at: [] __key.37+0x0/0x40 [ 37.162245][ C3] ... acquired at: [ 37.162369][ C3] mark_lock+0x28d/0x3e0 [ 37.162533][ C3] mark_usage+0xd9/0x2a0 [ 37.162697][ C3] __lock_acquire+0x797/0x1570 [ 37.162860][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.163132][ C3] _raw_read_lock_bh+0x44/0x80 [ 37.163295][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 37.163457][ C3] ndisc_send_ns+0xe7/0x100 [ 37.163620][ C3] ndisc_solicit+0x2ae/0x4d0 [ 37.163889][ C3] neigh_probe+0xaa/0xf0 [ 37.164055][ C3] __neigh_event_send+0x7af/0xfe0 [ 37.164220][ C3] neigh_resolve_output+0x470/0x7c0 [ 37.164383][ C3] ip6_finish_output2+0x512/0xf60 [ 37.164658][ C3] ip6_finish_output+0x553/0xdf0 [ 37.164820][ C3] ip6_output+0x1f3/0x770 [ 37.164983][ C3] ip6_forward+0xf29/0x2980 [ 37.165145][ C3] ipv6_rcv+0x626/0x810 [ 37.165267][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.165585][ C3] netif_receive_skb_internal+0xb0/0x330 [ 37.165788][ C3] netif_receive_skb+0x1b/0x30 [ 37.165951][ C3] br_handle_frame_finish+0xbef/0x1ce0 [ 37.166221][ C3] br_handle_frame+0x60d/0xd60 [ 37.166384][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 37.166588][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 37.166791][ C3] process_backlog+0x103/0x670 [ 37.167062][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 37.167229][ C3] net_rx_action+0x49f/0xc00 [ 37.167398][ C3] __do_softirq+0x1f8/0x5df [ 37.167561][ C3] do_softirq+0x4d/0xa0 [ 37.167683][ C3] __local_bh_enable_ip+0xf6/0x120 [ 37.167954][ C3] __neigh_event_send+0x2e4/0xfe0 [ 37.168117][ C3] neigh_resolve_output+0x470/0x7c0 [ 37.168279][ C3] ip6_finish_output2+0x512/0xf60 [ 37.168444][ C3] ip6_finish_output+0x553/0xdf0 [ 37.168714][ C3] ip6_output+0x1f3/0x770 [ 37.168876][ C3] ip6_send_skb+0xbd/0x280 [ 37.169043][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 37.169246][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 37.169516][ C3] __sys_sendto+0x332/0x410 [ 37.169678][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 37.169842][ C3] do_syscall_64+0xc6/0x1e0 [ 37.170004][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.170320][ C3] [ 37.170402][ C3] [ 37.170402][ C3] stack backtrace: [ 37.170602][ C3] CPU: 3 PID: 306 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 37.170848][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 37.171324][ C3] Call Trace: [ 37.171451][ C3] [ 37.171535][ C3] dump_stack_lvl+0x82/0xd0 [ 37.171706][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 37.172123][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 37.172329][ C3] ? __pfx_usage_skip+0x10/0x10 [ 37.172491][ C3] ? __pfx_usage_match+0x10/0x10 [ 37.172762][ C3] ? arch_stack_walk+0xa2/0xf0 [ 37.172928][ C3] mark_lock_irq+0x4cd/0xa10 [ 37.173092][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 37.173260][ C3] ? stack_trace_save+0x94/0xd0 [ 37.173443][ C3] ? save_trace+0x8f/0x5b0 [ 37.173714][ C3] mark_lock+0x28d/0x3e0 [ 37.173841][ C3] mark_usage+0xd9/0x2a0 [ 37.173965][ C3] __lock_acquire+0x797/0x1570 [ 37.174131][ C3] lock_acquire.part.0+0xeb/0x330 [ 37.174413][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.174578][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.174742][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 37.174906][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.175074][ C3] ? lock_acquire+0x32/0xc0 [ 37.175347][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.175509][ C3] _raw_read_lock_bh+0x44/0x80 [ 37.175673][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.175836][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 37.176107][ C3] ndisc_send_ns+0xe7/0x100 [ 37.176284][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 37.176448][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 37.176657][ C3] ndisc_solicit+0x2ae/0x4d0 [ 37.176929][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 37.177093][ C3] ? neigh_probe+0x57/0xf0 [ 37.177264][ C3] neigh_probe+0xaa/0xf0 [ 37.177395][ C3] __neigh_event_send+0x7af/0xfe0 [ 37.177667][ C3] neigh_resolve_output+0x470/0x7c0 [ 37.177831][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 37.177995][ C3] ? ___neigh_create+0x7c6/0xe10 [ 37.178160][ C3] ip6_finish_output2+0x512/0xf60 [ 37.178325][ C3] ip6_finish_output+0x553/0xdf0 [ 37.178605][ C3] ip6_output+0x1f3/0x770 [ 37.178731][ C3] ? __pfx_ip6_output+0x10/0x10 [ 37.178906][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 37.179112][ C3] ip6_forward+0xf29/0x2980 [ 37.179381][ C3] ? ip6_route_input+0x5a4/0xa50 [ 37.179548][ C3] ? __pfx_ip6_forward+0x10/0x10 [ 37.179713][ C3] ? ip6_rcv_core+0x9e5/0x1ae0 [ 37.179883][ C3] ? ipv6_rcv+0x626/0x810 [ 37.180113][ C3] ipv6_rcv+0x626/0x810 [ 37.180238][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 37.180402][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 37.180566][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 37.180770][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 37.181047][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.181309][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 37.181638][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 37.182114][ C3] ? lock_acquire+0x32/0xc0 [ 37.182358][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 37.182687][ C3] netif_receive_skb_internal+0xb0/0x330 [ 37.182959][ C3] ? __pfx_netif_receive_skb_internal+0x10/0x10 [ 37.183460][ C3] ? fdb_find_rcu+0xe9/0x180 [ 37.183728][ C3] netif_receive_skb+0x1b/0x30 [ 37.183994][ C3] br_handle_frame_finish+0xbef/0x1ce0 [ 37.184269][ C3] ? __pfx_br_handle_frame_finish+0x10/0x10 [ 37.184815][ C3] ? ip6_input_finish+0x13c/0x260 [ 37.185085][ C3] ? ip6_protocol_deliver_rcu+0xb9c/0x1330 [ 37.185421][ C3] br_handle_frame+0x60d/0xd60 [ 37.185683][ C3] ? __pfx_br_handle_frame+0x10/0x10 [ 37.186138][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 37.186471][ C3] ? mark_lock+0x38/0x3e0 [ 37.186682][ C3] ? __lock_acquire+0xaf0/0x1570 [ 37.186956][ C3] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 37.187677][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 37.187944][ C3] ? process_backlog+0x1f8/0x670 [ 37.188217][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 37.188550][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 37.189094][ C3] ? process_backlog+0x1f8/0x670 [ 37.189368][ C3] ? lock_acquire+0x32/0xc0 [ 37.189650][ C3] ? process_backlog+0x1f8/0x670 [ 37.189916][ C3] process_backlog+0x103/0x670 [ 37.190380][ C3] ? find_held_lock+0x2c/0x110 [ 37.190649][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 37.190935][ C3] net_rx_action+0x49f/0xc00 [ 37.191209][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 37.191655][ C3] ? usage_skip+0x150/0x190 [ 37.191925][ C3] ? mark_held_locks+0x9e/0xe0 [ 37.192192][ C3] __do_softirq+0x1f8/0x5df [ 37.192464][ C3] ? __neigh_event_send+0x2df/0xfe0 [ 37.192925][ C3] do_softirq+0x4d/0xa0 [ 37.193132][ C3] [ 37.193265][ C3] [ 37.193398][ C3] __local_bh_enable_ip+0xf6/0x120 [ 37.193670][ C3] __neigh_event_send+0x2e4/0xfe0 [ 37.193944][ C3] neigh_resolve_output+0x470/0x7c0 [ 37.194395][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 37.194666][ C3] ? ___neigh_create+0x7c6/0xe10 [ 37.194941][ C3] ip6_finish_output2+0x512/0xf60 [ 37.195208][ C3] ip6_finish_output+0x553/0xdf0 [ 37.195668][ C3] ip6_output+0x1f3/0x770 [ 37.195874][ C3] ? __pfx___ip6_make_skb+0x10/0x10 [ 37.196135][ C3] ? __pfx_ip6_output+0x10/0x10 [ 37.196406][ C3] ? ip6_local_out+0x25/0x3b0 [ 37.196682][ C3] ip6_send_skb+0xbd/0x280 [ 37.197148][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 37.197419][ C3] ? __pfx_raw6_getfrag+0x10/0x10 [ 37.197685][ C3] ? ip6_append_data+0x185/0x540 [ 37.197953][ C3] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 37.198478][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 37.198749][ C3] ? __pfx_validate_chain+0x10/0x10 [ 37.199019][ C3] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 37.199294][ C3] ? __lock_acquire+0xaf0/0x1570 [ 37.199756][ C3] ? find_held_lock+0x2c/0x110 [ 37.200023][ C3] ? __might_fault+0x11b/0x170 [ 37.200299][ C3] ? lock_acquire+0x32/0xc0 [ 37.200567][ C3] ? __might_fault+0xc3/0x170 [ 37.201036][ C3] ? __might_fault+0x11b/0x170 [ 37.201310][ C3] ? __sys_sendto+0x332/0x410 [ 37.201583][ C3] __sys_sendto+0x332/0x410 [ 37.201847][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 37.202301][ C3] ? do_user_addr_fault+0x449/0xbe0 [ 37.202572][ C3] ? reacquire_held_locks+0x22f/0x4f0 [ 37.202854][ C3] ? __lock_release+0x103/0x460 [ 37.203120][ C3] ? do_user_addr_fault+0x4b8/0xbe0 [ 37.203380][ C3] ? __up_read+0x1a7/0x780 [ 37.203841][ C3] ? __pfx___up_read+0x10/0x10 [ 37.204106][ C3] ? do_user_addr_fault+0x4b8/0xbe0 [ 37.204375][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 37.204657][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 37.205195][ C3] do_syscall_64+0xc6/0x1e0 [ 37.205452][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.205758][ C3] RIP: 0033:0x7f0a4046285a [ 37.206016][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 37.207119][ C3] RSP: 002b:00007ffe67124428 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 37.207699][ C3] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f0a4046285a [ 37.208089][ C3] RDX: 0000000000000040 RSI: 000000001be04340 RDI: 0000000000000005 [ 37.208475][ C3] RBP: 00007ffe671244b0 R08: 0000000000418574 R09: 000000000000001c [ 37.209222][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 37.209606][ C3] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f0a40588000 [ 37.210000][ C3] [ 41.582743][ T73] br0: port 1(eth0) entered disabled state [ 41.584720][ T73] eth0 (unregistering): left allmulticast mode [ 41.584908][ T73] eth0 (unregistering): left promiscuous mode [ 41.585080][ T73] br0: port 1(eth0) entered disabled state [ 42.114502][ T73] eth1: left allmulticast mode [ 42.114648][ T73] eth1: left promiscuous mode [ 42.114893][ T73] br0: port 2(eth1) entered disabled state [ 48.754167][ T365] eth1: renamed from tmp [ 50.490405][ T374] eth2: renamed from tmp