[ 24.297815][ T247] ip (247) used greatest stack depth: 24144 bytes left [ 30.922517][ T278] eth3: renamed from tmp [ 32.133472][ T283] ip (283) used greatest stack depth: 23072 bytes left [ 32.601008][ T286] eth2: renamed from tmp [ 35.003778][ T297] eth0: renamed from tmp [ 35.709059][ T300] br0: port 1(eth0) entered blocking state [ 35.709539][ T300] br0: port 1(eth0) entered disabled state [ 35.710073][ T300] eth0: entered allmulticast mode [ 35.711285][ T300] eth0: entered promiscuous mode [ 35.713190][ T300] br0: port 1(eth0) entered blocking state [ 35.713492][ T300] br0: port 1(eth0) entered forwarding state [ 36.692417][ T304] eth1: renamed from tmp [ 37.403635][ T307] br0: port 2(eth1) entered blocking state [ 37.403900][ T307] br0: port 2(eth1) entered disabled state [ 37.404149][ T307] eth1: entered allmulticast mode [ 37.405326][ T307] eth1: entered promiscuous mode [ 37.407212][ T307] br0: port 2(eth1) entered blocking state [ 37.407442][ T307] br0: port 2(eth1) entered forwarding state [ 37.656473][ C0] [ 37.656598][ C0] ======================================================== [ 37.656883][ C0] WARNING: possible irq lock inversion dependency detected [ 37.657172][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 37.657361][ C0] -------------------------------------------------------- [ 37.657639][ C0] ping6/308 just changed the state of lock: [ 37.657870][ C0] ffff8880081f3d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 37.658208][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 37.658479][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 37.658483][ C0] [ 37.658483][ C0] [ 37.658483][ C0] and interrupts could create inverse lock ordering between them. [ 37.658483][ C0] [ 37.659153][ C0] [ 37.659153][ C0] other info that might help us debug this: [ 37.659424][ C0] Possible interrupt unsafe locking scenario: [ 37.659424][ C0] [ 37.659701][ C0] CPU0 CPU1 [ 37.659884][ C0] ---- ---- [ 37.660095][ C0] lock(&p->alloc_lock); [ 37.660247][ C0] local_irq_disable(); [ 37.660488][ C0] lock(&ndev->lock); [ 37.660724][ C0] lock(&p->alloc_lock); [ 37.660967][ C0] [ 37.661110][ C0] lock(&ndev->lock); [ 37.661264][ C0] [ 37.661264][ C0] *** DEADLOCK *** [ 37.661264][ C0] [ 37.661551][ C0] 6 locks held by ping6/308: [ 37.661743][ C0] #0: ffff8880065c3718 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 37.662083][ C0] #1: ffffffffa3966360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 37.662426][ C0] #2: ffffffffa3966360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 37.662785][ C0] #3: ffffffffa3966360 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal+0x84/0x330 [ 37.663189][ C0] #4: ffffffffa3966360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 37.663533][ C0] #5: ffffffffa3966360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 37.663875][ C0] [ 37.663875][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 37.664210][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 37.664415][ C0] HARDIRQ-ON-W at: [ 37.664560][ C0] __lock_acquire+0x797/0x1570 [ 37.664808][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.665047][ C0] _raw_spin_lock+0x30/0x40 [ 37.665292][ C0] set_mems_allowed+0x1d/0x210 [ 37.665534][ C0] kernel_init_freeable+0x72/0x310 [ 37.665782][ C0] kernel_init+0x20/0x200 [ 37.666013][ C0] ret_from_fork+0x31/0x70 [ 37.666248][ C0] ret_from_fork_asm+0x1a/0x30 [ 37.666483][ C0] SOFTIRQ-ON-W at: [ 37.666624][ C0] __lock_acquire+0x797/0x1570 [ 37.666857][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.667125][ C0] _raw_spin_lock+0x30/0x40 [ 37.667366][ C0] set_mems_allowed+0x1d/0x210 [ 37.667619][ C0] kernel_init_freeable+0x72/0x310 [ 37.667863][ C0] kernel_init+0x20/0x200 [ 37.668109][ C0] ret_from_fork+0x31/0x70 [ 37.668355][ C0] ret_from_fork_asm+0x1a/0x30 [ 37.668599][ C0] INITIAL USE at: [ 37.668743][ C0] __lock_acquire+0x797/0x1570 [ 37.668985][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.669231][ C0] _raw_spin_lock+0x30/0x40 [ 37.669464][ C0] set_mems_allowed+0x1d/0x210 [ 37.669695][ C0] kernel_init_freeable+0x72/0x310 [ 37.669927][ C0] kernel_init+0x20/0x200 [ 37.670161][ C0] ret_from_fork+0x31/0x70 [ 37.670394][ C0] ret_from_fork_asm+0x1a/0x30 [ 37.670623][ C0] } [ 37.670719][ C0] ... key at: [] __key.388+0x0/0x40 [ 37.670993][ C0] ... acquired at: [ 37.671128][ C0] __lock_acquire+0xaf0/0x1570 [ 37.671313][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.671498][ C0] _raw_spin_lock+0x30/0x40 [ 37.671680][ C0] __get_task_comm+0x27/0x70 [ 37.671863][ C0] ref_tracker_alloc+0x2ee/0x490 [ 37.672062][ C0] netdev_get_by_index+0x5e/0x80 [ 37.672252][ C0] fib6_nh_init+0x3d8/0x1580 [ 37.672442][ C0] ip6_route_info_create+0xf18/0x17d0 [ 37.672632][ C0] addrconf_f6i_alloc+0x265/0x560 [ 37.672826][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 37.673020][ C0] addrconf_join_anycast+0x1c0/0x220 [ 37.673240][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 37.673433][ C0] addrconf_dad_completed+0x12b/0xe20 [ 37.673630][ C0] addrconf_dad_begin+0x310/0x670 [ 37.673819][ C0] addrconf_dad_work+0x10b/0xab0 [ 37.674008][ C0] process_one_work+0xe2c/0x1730 [ 37.674203][ C0] worker_thread+0x587/0xd30 [ 37.674400][ C0] kthread+0x28a/0x350 [ 37.674560][ C0] ret_from_fork+0x31/0x70 [ 37.674751][ C0] ret_from_fork_asm+0x1a/0x30 [ 37.674941][ C0] [ 37.675041][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 37.675231][ C0] HARDIRQ-ON-W at: [ 37.675494][ C0] __lock_acquire+0x797/0x1570 [ 37.675740][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.675988][ C0] _raw_write_lock_bh+0x38/0x50 [ 37.676228][ C0] addrconf_permanent_addr+0x6e/0x670 [ 37.676470][ C0] addrconf_notify+0x749/0xd60 [ 37.676708][ C0] notifier_call_chain+0xcd/0x150 [ 37.676949][ C0] __dev_notify_flags+0xe6/0x250 [ 37.677202][ C0] dev_change_flags+0xec/0x160 [ 37.677437][ C0] do_setlink+0x7d6/0x21e0 [ 37.677665][ C0] __rtnl_newlink+0xaa7/0xd80 [ 37.678016][ C0] rtnl_newlink+0x63/0xa0 [ 37.678252][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.678489][ C0] netlink_rcv_skb+0x130/0x360 [ 37.678728][ C0] netlink_unicast+0x449/0x710 [ 37.679071][ C0] netlink_sendmsg+0x723/0xbe0 [ 37.679312][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 37.679551][ C0] ___sys_sendmsg+0xee/0x170 [ 37.680022][ C0] __sys_sendmsg+0xcd/0x170 [ 37.680252][ C0] do_syscall_64+0xc6/0x1e0 [ 37.680491][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.680887][ C0] HARDIRQ-ON-R at: [ 37.681029][ C0] __lock_acquire+0x797/0x1570 [ 37.681271][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.681511][ C0] _raw_read_lock_bh+0x44/0x80 [ 37.681861][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.682104][ C0] inet6_fill_link_af+0x5e/0xe0 [ 37.682334][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 37.682568][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.682905][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.683212][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 37.683461][ C0] register_netdevice+0x1177/0x1690 [ 37.683815][ C0] register_netdev+0x20/0x40 [ 37.684058][ C0] vti6_init_net+0x25d/0x380 [ 37.684312][ C0] ops_init+0x9b/0x560 [ 37.684614][ C0] register_pernet_operations+0x2db/0x710 [ 37.684911][ C0] register_pernet_device+0x2a/0x60 [ 37.685150][ C0] vti6_tunnel_init+0x18/0x110 [ 37.685394][ C0] do_one_initcall+0x8d/0x1e0 [ 37.685728][ C0] do_initcalls+0x1b2/0x3e0 [ 37.685961][ C0] kernel_init_freeable+0x232/0x310 [ 37.686191][ C0] kernel_init+0x20/0x200 [ 37.686539][ C0] ret_from_fork+0x31/0x70 [ 37.686769][ C0] ret_from_fork_asm+0x1a/0x30 [ 37.686999][ C0] IN-SOFTIRQ-R at: [ 37.687136][ C0] __lock_acquire+0x797/0x1570 [ 37.687367][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.687596][ C0] _raw_read_lock_bh+0x44/0x80 [ 37.687822][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 37.688074][ C0] ndisc_send_ns+0xe7/0x100 [ 37.688315][ C0] ndisc_solicit+0x2ae/0x4d0 [ 37.688552][ C0] neigh_probe+0xaa/0xf0 [ 37.688791][ C0] __neigh_event_send+0x7af/0xfe0 [ 37.689136][ C0] neigh_resolve_output+0x470/0x7c0 [ 37.689375][ C0] ip6_finish_output2+0x512/0xf60 [ 37.689616][ C0] ip6_finish_output+0x553/0xdf0 [ 37.689959][ C0] ip6_output+0x1f3/0x770 [ 37.690194][ C0] ip6_forward+0xf29/0x2980 [ 37.690434][ C0] ipv6_rcv+0x626/0x810 [ 37.690766][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.691040][ C0] netif_receive_skb_internal+0xb0/0x330 [ 37.691315][ C0] netif_receive_skb+0x1b/0x30 [ 37.691643][ C0] br_handle_frame_finish+0xbef/0x1ce0 [ 37.691871][ C0] br_handle_frame+0x60d/0xd60 [ 37.692123][ C0] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 37.692406][ C0] __netif_receive_skb_one_core+0xaf/0x1b0 [ 37.692796][ C0] process_backlog+0x103/0x670 [ 37.693042][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 37.693302][ C0] net_rx_action+0x49f/0xc00 [ 37.693665][ C0] __do_softirq+0x1f8/0x5df [ 37.693906][ C0] do_softirq+0x4d/0xa0 [ 37.694146][ C0] __local_bh_enable_ip+0xf6/0x120 [ 37.694393][ C0] __neigh_event_send+0x2e4/0xfe0 [ 37.694635][ C0] neigh_resolve_output+0x470/0x7c0 [ 37.694873][ C0] ip6_finish_output2+0x512/0xf60 [ 37.695109][ C0] ip6_finish_output+0x553/0xdf0 [ 37.695448][ C0] ip6_output+0x1f3/0x770 [ 37.695679][ C0] ip6_send_skb+0xbd/0x280 [ 37.695928][ C0] rawv6_push_pending_frames+0x518/0x9d0 [ 37.696317][ C0] rawv6_sendmsg+0x1287/0x17d0 [ 37.696553][ C0] __sys_sendto+0x332/0x410 [ 37.696788][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 37.697135][ C0] do_syscall_64+0xc6/0x1e0 [ 37.697376][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.697663][ C0] INITIAL USE at: [ 37.697804][ C0] __lock_acquire+0x797/0x1570 [ 37.698150][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.698416][ C0] _raw_write_lock_bh+0x38/0x50 [ 37.698657][ C0] addrconf_permanent_addr+0x6e/0x670 [ 37.699024][ C0] addrconf_notify+0x749/0xd60 [ 37.699263][ C0] notifier_call_chain+0xcd/0x150 [ 37.699514][ C0] __dev_notify_flags+0xe6/0x250 [ 37.699753][ C0] dev_change_flags+0xec/0x160 [ 37.700112][ C0] do_setlink+0x7d6/0x21e0 [ 37.700356][ C0] __rtnl_newlink+0xaa7/0xd80 [ 37.700600][ C0] rtnl_newlink+0x63/0xa0 [ 37.700953][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.701196][ C0] netlink_rcv_skb+0x130/0x360 [ 37.701456][ C0] netlink_unicast+0x449/0x710 [ 37.701798][ C0] netlink_sendmsg+0x723/0xbe0 [ 37.702036][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 37.702270][ C0] ___sys_sendmsg+0xee/0x170 [ 37.702509][ C0] __sys_sendmsg+0xcd/0x170 [ 37.702855][ C0] do_syscall_64+0xc6/0x1e0 [ 37.703114][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.703400][ C0] INITIAL READ USE at: [ 37.703658][ C0] __lock_acquire+0x797/0x1570 [ 37.703902][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.704145][ C0] _raw_read_lock_bh+0x44/0x80 [ 37.704388][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.704797][ C0] inet6_fill_link_af+0x5e/0xe0 [ 37.705033][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 37.705272][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.705673][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.705956][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 37.706191][ C0] register_netdevice+0x1177/0x1690 [ 37.706474][ C0] register_netdev+0x20/0x40 [ 37.706709][ C0] vti6_init_net+0x25d/0x380 [ 37.706955][ C0] ops_init+0x9b/0x560 [ 37.707194][ C0] register_pernet_operations+0x2db/0x710 [ 37.707478][ C0] register_pernet_device+0x2a/0x60 [ 37.707762][ C0] vti6_tunnel_init+0x18/0x110 [ 37.708109][ C0] do_one_initcall+0x8d/0x1e0 [ 37.708350][ C0] do_initcalls+0x1b2/0x3e0 [ 37.708586][ C0] kernel_init_freeable+0x232/0x310 [ 37.709081][ C0] kernel_init+0x20/0x200 [ 37.709305][ C0] ret_from_fork+0x31/0x70 [ 37.709545][ C0] ret_from_fork_asm+0x1a/0x30 [ 37.709781][ C0] } [ 37.709981][ C0] ... key at: [] __key.37+0x0/0x40 [ 37.710264][ C0] ... acquired at: [ 37.710408][ C0] mark_lock+0x28d/0x3e0 [ 37.710605][ C0] mark_usage+0xd9/0x2a0 [ 37.710902][ C0] __lock_acquire+0x797/0x1570 [ 37.711093][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.711282][ C0] _raw_read_lock_bh+0x44/0x80 [ 37.711471][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 37.711659][ C0] ndisc_send_ns+0xe7/0x100 [ 37.711951][ C0] ndisc_solicit+0x2ae/0x4d0 [ 37.712144][ C0] neigh_probe+0xaa/0xf0 [ 37.712336][ C0] __neigh_event_send+0x7af/0xfe0 [ 37.712524][ C0] neigh_resolve_output+0x470/0x7c0 [ 37.712817][ C0] ip6_finish_output2+0x512/0xf60 [ 37.713006][ C0] ip6_finish_output+0x553/0xdf0 [ 37.713218][ C0] ip6_output+0x1f3/0x770 [ 37.713408][ C0] ip6_forward+0xf29/0x2980 [ 37.713709][ C0] ipv6_rcv+0x626/0x810 [ 37.713859][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.714096][ C0] netif_receive_skb_internal+0xb0/0x330 [ 37.714343][ C0] netif_receive_skb+0x1b/0x30 [ 37.714644][ C0] br_handle_frame_finish+0xbef/0x1ce0 [ 37.714835][ C0] br_handle_frame+0x60d/0xd60 [ 37.715023][ C0] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 37.715256][ C0] __netif_receive_skb_one_core+0xaf/0x1b0 [ 37.715492][ C0] process_backlog+0x103/0x670 [ 37.715680][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 37.715867][ C0] net_rx_action+0x49f/0xc00 [ 37.716054][ C0] __do_softirq+0x1f8/0x5df [ 37.716350][ C0] do_softirq+0x4d/0xa0 [ 37.716493][ C0] __local_bh_enable_ip+0xf6/0x120 [ 37.716678][ C0] __neigh_event_send+0x2e4/0xfe0 [ 37.716863][ C0] neigh_resolve_output+0x470/0x7c0 [ 37.717054][ C0] ip6_finish_output2+0x512/0xf60 [ 37.717348][ C0] ip6_finish_output+0x553/0xdf0 [ 37.717539][ C0] ip6_output+0x1f3/0x770 [ 37.717725][ C0] ip6_send_skb+0xbd/0x280 [ 37.717910][ C0] rawv6_push_pending_frames+0x518/0x9d0 [ 37.718245][ C0] rawv6_sendmsg+0x1287/0x17d0 [ 37.718433][ C0] __sys_sendto+0x332/0x410 [ 37.718621][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 37.718815][ C0] do_syscall_64+0xc6/0x1e0 [ 37.719107][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.719339][ C0] [ 37.719434][ C0] [ 37.719434][ C0] stack backtrace: [ 37.719666][ C0] CPU: 0 PID: 308 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 37.720057][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 37.720478][ C0] Call Trace: [ 37.720634][ C0] [ 37.720837][ C0] dump_stack_lvl+0x82/0xd0 [ 37.721030][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 37.721266][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 37.721509][ C0] ? __pfx_usage_skip+0x10/0x10 [ 37.721803][ C0] ? __pfx_usage_match+0x10/0x10 [ 37.721991][ C0] ? arch_stack_walk+0xa2/0xf0 [ 37.722179][ C0] mark_lock_irq+0x4cd/0xa10 [ 37.722367][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 37.722675][ C0] ? stack_trace_save+0x94/0xd0 [ 37.722872][ C0] ? save_trace+0x8f/0x5b0 [ 37.723083][ C0] mark_lock+0x28d/0x3e0 [ 37.723234][ C0] mark_usage+0xd9/0x2a0 [ 37.723380][ C0] __lock_acquire+0x797/0x1570 [ 37.723788][ C0] lock_acquire.part.0+0xeb/0x330 [ 37.723971][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.724165][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.724371][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 37.724663][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.724847][ C0] ? lock_acquire+0x32/0xc0 [ 37.725034][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.725222][ C0] _raw_read_lock_bh+0x44/0x80 [ 37.725411][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.725710][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 37.725899][ C0] ndisc_send_ns+0xe7/0x100 [ 37.726086][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 37.726276][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 37.726630][ C0] ndisc_solicit+0x2ae/0x4d0 [ 37.726819][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 37.727010][ C0] ? neigh_probe+0x57/0xf0 [ 37.727203][ C0] neigh_probe+0xaa/0xf0 [ 37.727346][ C0] __neigh_event_send+0x7af/0xfe0 [ 37.727538][ C0] neigh_resolve_output+0x470/0x7c0 [ 37.727723][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 37.727933][ C0] ? ___neigh_create+0x7c6/0xe10 [ 37.728126][ C0] ip6_finish_output2+0x512/0xf60 [ 37.728321][ C0] ip6_finish_output+0x553/0xdf0 [ 37.728512][ C0] ip6_output+0x1f3/0x770 [ 37.728663][ C0] ? __pfx_ip6_output+0x10/0x10 [ 37.728851][ C0] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 37.729189][ C0] ip6_forward+0xf29/0x2980 [ 37.729377][ C0] ? ip6_route_input+0x5a4/0xa50 [ 37.729571][ C0] ? __pfx_ip6_forward+0x10/0x10 [ 37.729765][ C0] ? ip6_rcv_core+0x9e5/0x1ae0 [ 37.730060][ C0] ? ipv6_rcv+0x626/0x810 [ 37.730200][ C0] ipv6_rcv+0x626/0x810 [ 37.730340][ C0] ? __pfx_ipv6_rcv+0x10/0x10 [ 37.730528][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 37.730717][ C0] ? netif_receive_skb_internal+0x84/0x330 [ 37.731057][ C0] ? __pfx_ipv6_rcv+0x10/0x10 [ 37.731248][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.731476][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 37.731803][ C0] ? netif_receive_skb_internal+0x84/0x330 [ 37.732046][ C0] ? lock_acquire+0x32/0xc0 [ 37.732235][ C0] ? netif_receive_skb_internal+0x84/0x330 [ 37.732469][ C0] netif_receive_skb_internal+0xb0/0x330 [ 37.732760][ C0] ? __pfx_netif_receive_skb_internal+0x10/0x10 [ 37.732991][ C0] ? fdb_find_rcu+0xe9/0x180 [ 37.733208][ C0] netif_receive_skb+0x1b/0x30 [ 37.733402][ C0] br_handle_frame_finish+0xbef/0x1ce0 [ 37.733706][ C0] ? __pfx_br_handle_frame_finish+0x10/0x10 [ 37.733946][ C0] ? ip6_input_finish+0x13c/0x260 [ 37.734139][ C0] ? ip6_protocol_deliver_rcu+0xb9c/0x1330 [ 37.734385][ C0] br_handle_frame+0x60d/0xd60 [ 37.734671][ C0] ? __pfx_br_handle_frame+0x10/0x10 [ 37.734853][ C0] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 37.735085][ C0] ? mark_lock+0x38/0x3e0 [ 37.735223][ C0] ? __lock_acquire+0xaf0/0x1570 [ 37.735404][ C0] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 37.735633][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 37.735838][ C0] ? process_backlog+0x1f8/0x670 [ 37.736045][ C0] __netif_receive_skb_one_core+0xaf/0x1b0 [ 37.736395][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 37.736638][ C0] ? process_backlog+0x1f8/0x670 [ 37.736834][ C0] ? lock_acquire+0x32/0xc0 [ 37.737027][ C0] ? process_backlog+0x1f8/0x670 [ 37.737335][ C0] process_backlog+0x103/0x670 [ 37.737521][ C0] ? find_held_lock+0x2c/0x110 [ 37.737704][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 37.737887][ C0] net_rx_action+0x49f/0xc00 [ 37.738263][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 37.738442][ C0] ? usage_skip+0x150/0x190 [ 37.738632][ C0] ? mark_held_locks+0x9e/0xe0 [ 37.738816][ C0] __do_softirq+0x1f8/0x5df [ 37.739098][ C0] ? __neigh_event_send+0x2df/0xfe0 [ 37.739282][ C0] do_softirq+0x4d/0xa0 [ 37.739422][ C0] [ 37.739516][ C0] [ 37.739607][ C0] __local_bh_enable_ip+0xf6/0x120 [ 37.739789][ C0] __neigh_event_send+0x2e4/0xfe0 [ 37.740099][ C0] neigh_resolve_output+0x470/0x7c0 [ 37.740294][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 37.740482][ C0] ? ___neigh_create+0x7c6/0xe10 [ 37.740672][ C0] ip6_finish_output2+0x512/0xf60 [ 37.740965][ C0] ip6_finish_output+0x553/0xdf0 [ 37.741155][ C0] ip6_output+0x1f3/0x770 [ 37.741303][ C0] ? __pfx___ip6_make_skb+0x10/0x10 [ 37.741485][ C0] ? __pfx_ip6_output+0x10/0x10 [ 37.741770][ C0] ? ip6_local_out+0x25/0x3b0 [ 37.741954][ C0] ip6_send_skb+0xbd/0x280 [ 37.742142][ C0] rawv6_push_pending_frames+0x518/0x9d0 [ 37.742323][ C0] ? __pfx_raw6_getfrag+0x10/0x10 [ 37.742505][ C0] ? ip6_append_data+0x185/0x540 [ 37.742785][ C0] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 37.743012][ C0] rawv6_sendmsg+0x1287/0x17d0 [ 37.743226][ C0] ? __pfx_validate_chain+0x10/0x10 [ 37.743420][ C0] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 37.743718][ C0] ? __lock_acquire+0xaf0/0x1570 [ 37.743916][ C0] ? find_held_lock+0x2c/0x110 [ 37.744108][ C0] ? __might_fault+0x11b/0x170 [ 37.744314][ C0] ? lock_acquire+0x32/0xc0 [ 37.744620][ C0] ? __might_fault+0xc3/0x170 [ 37.744808][ C0] ? __might_fault+0x11b/0x170 [ 37.744995][ C0] ? __sys_sendto+0x332/0x410 [ 37.745185][ C0] __sys_sendto+0x332/0x410 [ 37.745370][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 37.745556][ C0] ? do_user_addr_fault+0x449/0xbe0 [ 37.745740][ C0] ? reacquire_held_locks+0x22f/0x4f0 [ 37.745924][ C0] ? __lock_release+0x103/0x460 [ 37.746108][ C0] ? do_user_addr_fault+0x4b8/0xbe0 [ 37.746287][ C0] ? __up_read+0x1a7/0x780 [ 37.746491][ C0] ? __pfx___up_read+0x10/0x10 [ 37.746683][ C0] ? do_user_addr_fault+0x4b8/0xbe0 [ 37.746871][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 37.747161][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 37.747399][ C0] do_syscall_64+0xc6/0x1e0 [ 37.747595][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.747923][ C0] RIP: 0033:0x7fbc7a03e85a [ 37.748137][ C0] 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 [ 37.748913][ C0] RSP: 002b:00007ffe94d8f0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 37.749216][ C0] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fbc7a03e85a [ 37.749491][ C0] RDX: 0000000000000040 RSI: 000000001d351340 RDI: 0000000000000005 [ 37.749890][ C0] RBP: 00007ffe94d8f160 R08: 0000000000418574 R09: 000000000000001c [ 37.750172][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 37.750460][ C0] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007fbc7a164000 [ 37.750863][ C0] [ 42.144770][ T10] br0: port 1(eth0) entered disabled state [ 42.146738][ T10] eth0 (unregistering): left allmulticast mode [ 42.146903][ T10] eth0 (unregistering): left promiscuous mode [ 42.147053][ T10] br0: port 1(eth0) entered disabled state [ 42.772934][ T10] eth1: left allmulticast mode [ 42.773084][ T10] eth1: left promiscuous mode [ 42.773318][ T10] br0: port 2(eth1) entered disabled state [ 49.361804][ T367] eth1: renamed from tmp [ 51.095345][ T376] eth2: renamed from tmp