[ 30.293288][ T294] br1: port 1(veth1) entered blocking state [ 30.294093][ T294] br1: port 1(veth1) entered disabled state [ 30.294612][ T294] veth1: entered allmulticast mode [ 30.297779][ T294] veth1: entered promiscuous mode [ 30.436566][ T50] br1: port 1(veth1) entered blocking state [ 30.437064][ T50] br1: port 1(veth1) entered forwarding state [ 39.234831][ C3] [ 39.234974][ C3] ======================================================== [ 39.235238][ C3] WARNING: possible irq lock inversion dependency detected [ 39.235524][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 39.235715][ C3] -------------------------------------------------------- [ 39.235970][ C3] ping6/327 just changed the state of lock: [ 39.236205][ C3] ffff888005a82580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 39.236534][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 39.236822][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 39.236827][ C3] [ 39.236827][ C3] [ 39.236827][ C3] and interrupts could create inverse lock ordering between them. [ 39.236827][ C3] [ 39.237469][ C3] [ 39.237469][ C3] other info that might help us debug this: [ 39.237734][ C3] Possible interrupt unsafe locking scenario: [ 39.237734][ C3] [ 39.237995][ C3] CPU0 CPU1 [ 39.238168][ C3] ---- ---- [ 39.238355][ C3] lock(&p->alloc_lock); [ 39.238486][ C3] local_irq_disable(); [ 39.238723][ C3] lock(&ndev->lock); [ 39.238939][ C3] lock(&p->alloc_lock); [ 39.239167][ C3] [ 39.239302][ C3] lock(&ndev->lock); [ 39.239437][ C3] [ 39.239437][ C3] *** DEADLOCK *** [ 39.239437][ C3] [ 39.239696][ C3] 6 locks held by ping6/327: [ 39.239891][ C3] #0: ffff8880052e3e98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 39.240238][ C3] #1: ffffffffb77522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 39.240570][ C3] #2: ffffffffb77522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 39.240918][ C3] #3: ffffffffb77522e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal+0x84/0x330 [ 39.241286][ C3] #4: ffffffffb77522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 39.241609][ C3] #5: ffffffffb77522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 39.241936][ C3] [ 39.241936][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 39.242287][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 39.242508][ C3] HARDIRQ-ON-W at: [ 39.242638][ C3] __lock_acquire+0x797/0x1570 [ 39.242895][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.243111][ C3] _raw_spin_lock+0x30/0x40 [ 39.243358][ C3] set_mems_allowed+0x1d/0x210 [ 39.243592][ C3] kernel_init_freeable+0x72/0x310 [ 39.243819][ C3] kernel_init+0x20/0x200 [ 39.244052][ C3] ret_from_fork+0x31/0x70 [ 39.244303][ C3] ret_from_fork_asm+0x1a/0x30 [ 39.244539][ C3] SOFTIRQ-ON-W at: [ 39.244670][ C3] __lock_acquire+0x797/0x1570 [ 39.244906][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.245123][ C3] _raw_spin_lock+0x30/0x40 [ 39.245341][ C3] set_mems_allowed+0x1d/0x210 [ 39.245581][ C3] kernel_init_freeable+0x72/0x310 [ 39.245793][ C3] kernel_init+0x20/0x200 [ 39.246027][ C3] ret_from_fork+0x31/0x70 [ 39.246269][ C3] ret_from_fork_asm+0x1a/0x30 [ 39.246485][ C3] INITIAL USE at: [ 39.246633][ C3] __lock_acquire+0x797/0x1570 [ 39.246868][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.247085][ C3] _raw_spin_lock+0x30/0x40 [ 39.247307][ C3] set_mems_allowed+0x1d/0x210 [ 39.247564][ C3] kernel_init_freeable+0x72/0x310 [ 39.247806][ C3] kernel_init+0x20/0x200 [ 39.248038][ C3] ret_from_fork+0x31/0x70 [ 39.248263][ C3] ret_from_fork_asm+0x1a/0x30 [ 39.248498][ C3] } [ 39.248608][ C3] ... key at: [] __key.387+0x0/0x40 [ 39.248884][ C3] ... acquired at: [ 39.249019][ C3] __lock_acquire+0xaf0/0x1570 [ 39.249229][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.249405][ C3] _raw_spin_lock+0x30/0x40 [ 39.249578][ C3] __get_task_comm+0x27/0x70 [ 39.249792][ C3] ref_tracker_alloc+0x2ee/0x490 [ 39.249964][ C3] netdev_get_by_index+0x5e/0x80 [ 39.250161][ C3] fib6_nh_init+0x3d8/0x15b0 [ 39.250357][ C3] ip6_route_info_create+0xf18/0x17d0 [ 39.250557][ C3] addrconf_f6i_alloc+0x265/0x560 [ 39.250734][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 39.250941][ C3] addrconf_join_anycast+0x1c0/0x220 [ 39.251118][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 39.251323][ C3] addrconf_dad_completed+0x12b/0xe20 [ 39.251513][ C3] addrconf_dad_work+0x38c/0xab0 [ 39.251707][ C3] process_one_work+0xe2c/0x1730 [ 39.251899][ C3] worker_thread+0x587/0xd30 [ 39.252094][ C3] kthread+0x28a/0x350 [ 39.252225][ C3] ret_from_fork+0x31/0x70 [ 39.252402][ C3] ret_from_fork_asm+0x1a/0x30 [ 39.252625][ C3] [ 39.252715][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 39.252916][ C3] HARDIRQ-ON-W at: [ 39.253047][ C3] __lock_acquire+0x797/0x1570 [ 39.253276][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.253505][ C3] _raw_write_lock_bh+0x38/0x50 [ 39.253760][ C3] addrconf_permanent_addr+0x6e/0x670 [ 39.254016][ C3] addrconf_notify+0x749/0xd60 [ 39.254239][ C3] notifier_call_chain+0xcd/0x150 [ 39.254477][ C3] __dev_notify_flags+0xe6/0x250 [ 39.254697][ C3] dev_change_flags+0xec/0x160 [ 39.254958][ C3] do_setlink+0x7d6/0x21e0 [ 39.255204][ C3] __rtnl_newlink+0xaa7/0xd80 [ 39.255431][ C3] rtnl_newlink+0x63/0xa0 [ 39.255703][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.255920][ C3] netlink_rcv_skb+0x130/0x360 [ 39.256139][ C3] netlink_unicast+0x449/0x710 [ 39.256373][ C3] netlink_sendmsg+0x723/0xbe0 [ 39.256596][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 39.256838][ C3] ___sys_sendmsg+0xee/0x170 [ 39.257053][ C3] __sys_sendmsg+0xcd/0x170 [ 39.257287][ C3] do_syscall_64+0xc6/0x1e0 [ 39.257637][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.257917][ C3] HARDIRQ-ON-R at: [ 39.258095][ C3] __lock_acquire+0x797/0x1570 [ 39.258319][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.258560][ C3] _raw_read_lock_bh+0x44/0x80 [ 39.258797][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.259021][ C3] inet6_fill_link_af+0x5e/0xe0 [ 39.259258][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 39.259499][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.259719][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.260232][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 39.260473][ C3] register_netdevice+0x1177/0x1690 [ 39.260690][ C3] register_netdev+0x20/0x40 [ 39.260955][ C3] sit_init_net+0x250/0x4f0 [ 39.261308][ C3] ops_init+0x9b/0x560 [ 39.261501][ C3] register_pernet_operations+0x2db/0x710 [ 39.261782][ C3] register_pernet_device+0x2a/0x60 [ 39.262137][ C3] sit_init+0x23/0xe0 [ 39.262313][ C3] do_one_initcall+0x8d/0x1e0 [ 39.262533][ C3] do_initcalls+0x1b2/0x3e0 [ 39.262776][ C3] kernel_init_freeable+0x232/0x310 [ 39.263104][ C3] kernel_init+0x20/0x200 [ 39.263346][ C3] ret_from_fork+0x31/0x70 [ 39.263563][ C3] ret_from_fork_asm+0x1a/0x30 [ 39.263920][ C3] IN-SOFTIRQ-R at: [ 39.264048][ C3] __lock_acquire+0x797/0x1570 [ 39.264290][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.264520][ C3] _raw_read_lock_bh+0x44/0x80 [ 39.264884][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 39.265126][ C3] ndisc_send_ns+0xe7/0x100 [ 39.265365][ C3] ndisc_solicit+0x2ae/0x4d0 [ 39.265693][ C3] neigh_probe+0xaa/0xf0 [ 39.265932][ C3] __neigh_event_send+0x7af/0xfe0 [ 39.266146][ C3] neigh_resolve_output+0x470/0x7c0 [ 39.266366][ C3] ip6_finish_output2+0x4ab/0xf80 [ 39.266737][ C3] ip6_finish_output+0x4ed/0xd30 [ 39.266951][ C3] ip6_output+0x1f3/0x770 [ 39.267187][ C3] ip6_forward+0xf29/0x2980 [ 39.267401][ C3] ipv6_rcv+0x626/0x810 [ 39.267635][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 39.267905][ C3] netif_receive_skb_internal+0xb0/0x330 [ 39.268186][ C3] netif_receive_skb+0x1b/0x30 [ 39.268405][ C3] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 39.268767][ C3] br_handle_frame+0x612/0xe60 [bridge] [ 39.269194][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 39.269478][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 39.269740][ C3] process_backlog+0x103/0x670 [ 39.270098][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 39.270315][ C3] net_rx_action+0x49f/0xc00 [ 39.270539][ C3] __do_softirq+0x1f8/0x5df [ 39.270891][ C3] do_softirq+0x4d/0xa0 [ 39.271107][ C3] __local_bh_enable_ip+0xf6/0x120 [ 39.271363][ C3] __neigh_event_send+0x2e4/0xfe0 [ 39.271633][ C3] neigh_resolve_output+0x470/0x7c0 [ 39.272020][ C3] ip6_finish_output2+0x4ab/0xf80 [ 39.272233][ C3] ip6_finish_output+0x4ed/0xd30 [ 39.272474][ C3] ip6_output+0x1f3/0x770 [ 39.272861][ C3] ip6_send_skb+0xbd/0x280 [ 39.273076][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 39.273360][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 39.273709][ C3] __sys_sendto+0x332/0x410 [ 39.273927][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 39.274178][ C3] do_syscall_64+0xc6/0x1e0 [ 39.274405][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.274958][ C3] INITIAL USE at: [ 39.275096][ C3] __lock_acquire+0x797/0x1570 [ 39.275347][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.275701][ C3] _raw_write_lock_bh+0x38/0x50 [ 39.275936][ C3] addrconf_permanent_addr+0x6e/0x670 [ 39.276160][ C3] addrconf_notify+0x749/0xd60 [ 39.276377][ C3] notifier_call_chain+0xcd/0x150 [ 39.276760][ C3] __dev_notify_flags+0xe6/0x250 [ 39.276993][ C3] dev_change_flags+0xec/0x160 [ 39.277224][ C3] do_setlink+0x7d6/0x21e0 [ 39.277615][ C3] __rtnl_newlink+0xaa7/0xd80 [ 39.277844][ C3] rtnl_newlink+0x63/0xa0 [ 39.278082][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.278336][ C3] netlink_rcv_skb+0x130/0x360 [ 39.278582][ C3] netlink_unicast+0x449/0x710 [ 39.278814][ C3] netlink_sendmsg+0x723/0xbe0 [ 39.279044][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 39.279272][ C3] ___sys_sendmsg+0xee/0x170 [ 39.279500][ C3] __sys_sendmsg+0xcd/0x170 [ 39.279741][ C3] do_syscall_64+0xc6/0x1e0 [ 39.280071][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.280350][ C3] INITIAL READ USE at: [ 39.280501][ C3] __lock_acquire+0x797/0x1570 [ 39.280726][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.281087][ C3] _raw_read_lock_bh+0x44/0x80 [ 39.281312][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.281631][ C3] inet6_fill_link_af+0x5e/0xe0 [ 39.281993][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 39.282266][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.282544][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.282957][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 39.283191][ C3] register_netdevice+0x1177/0x1690 [ 39.283465][ C3] register_netdev+0x20/0x40 [ 39.283833][ C3] sit_init_net+0x250/0x4f0 [ 39.284049][ C3] ops_init+0x9b/0x560 [ 39.284263][ C3] register_pernet_operations+0x2db/0x710 [ 39.284583][ C3] register_pernet_device+0x2a/0x60 [ 39.284969][ C3] sit_init+0x23/0xe0 [ 39.285225][ C3] do_one_initcall+0x8d/0x1e0 [ 39.285486][ C3] do_initcalls+0x1b2/0x3e0 [ 39.285844][ C3] kernel_init_freeable+0x232/0x310 [ 39.286122][ C3] kernel_init+0x20/0x200 [ 39.286364][ C3] ret_from_fork+0x31/0x70 [ 39.286709][ C3] ret_from_fork_asm+0x1a/0x30 [ 39.286954][ C3] } [ 39.287043][ C3] ... key at: [] __key.37+0x0/0x40 [ 39.287319][ C3] ... acquired at: [ 39.287591][ C3] mark_lock+0x28d/0x3e0 [ 39.287763][ C3] mark_usage+0xd9/0x2a0 [ 39.287970][ C3] __lock_acquire+0x797/0x1570 [ 39.288138][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.288330][ C3] _raw_read_lock_bh+0x44/0x80 [ 39.288523][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 39.288693][ C3] ndisc_send_ns+0xe7/0x100 [ 39.288891][ C3] ndisc_solicit+0x2ae/0x4d0 [ 39.289073][ C3] neigh_probe+0xaa/0xf0 [ 39.289379][ C3] __neigh_event_send+0x7af/0xfe0 [ 39.289560][ C3] neigh_resolve_output+0x470/0x7c0 [ 39.289769][ C3] ip6_finish_output2+0x4ab/0xf80 [ 39.289937][ C3] ip6_finish_output+0x4ed/0xd30 [ 39.290252][ C3] ip6_output+0x1f3/0x770 [ 39.290423][ C3] ip6_forward+0xf29/0x2980 [ 39.290596][ C3] ipv6_rcv+0x626/0x810 [ 39.290740][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 39.291065][ C3] netif_receive_skb_internal+0xb0/0x330 [ 39.291275][ C3] netif_receive_skb+0x1b/0x30 [ 39.291462][ C3] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 39.291725][ C3] br_handle_frame+0x612/0xe60 [bridge] [ 39.292089][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 39.292302][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 39.292533][ C3] process_backlog+0x103/0x670 [ 39.292712][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 39.292992][ C3] net_rx_action+0x49f/0xc00 [ 39.293175][ C3] __do_softirq+0x1f8/0x5df [ 39.293348][ C3] do_softirq+0x4d/0xa0 [ 39.293479][ C3] __local_bh_enable_ip+0xf6/0x120 [ 39.293781][ C3] __neigh_event_send+0x2e4/0xfe0 [ 39.293955][ C3] neigh_resolve_output+0x470/0x7c0 [ 39.294133][ C3] ip6_finish_output2+0x4ab/0xf80 [ 39.294306][ C3] ip6_finish_output+0x4ed/0xd30 [ 39.294588][ C3] ip6_output+0x1f3/0x770 [ 39.294760][ C3] ip6_send_skb+0xbd/0x280 [ 39.294930][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 39.295141][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 39.295420][ C3] __sys_sendto+0x332/0x410 [ 39.295593][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 39.295773][ C3] do_syscall_64+0xc6/0x1e0 [ 39.295944][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.296266][ C3] [ 39.296354][ C3] [ 39.296354][ C3] stack backtrace: [ 39.296569][ C3] CPU: 3 PID: 327 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 39.296828][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.297330][ C3] Call Trace: [ 39.297466][ C3] [ 39.297556][ C3] dump_stack_lvl+0x82/0xd0 [ 39.297733][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 39.298071][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 39.298313][ C3] ? __pfx_usage_skip+0x10/0x10 [ 39.298483][ C3] ? __pfx_usage_match+0x10/0x10 [ 39.298675][ C3] ? arch_stack_walk+0xa2/0xf0 [ 39.298959][ C3] mark_lock_irq+0x4cd/0xa10 [ 39.299133][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 39.299313][ C3] ? stack_trace_save+0x94/0xd0 [ 39.299500][ C3] ? save_trace+0x8f/0x5b0 [ 39.299805][ C3] mark_lock+0x28d/0x3e0 [ 39.299936][ C3] mark_usage+0xd9/0x2a0 [ 39.300065][ C3] __lock_acquire+0x797/0x1570 [ 39.300260][ C3] lock_acquire.part.0+0xeb/0x330 [ 39.300433][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.300761][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 39.300936][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 39.301129][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.301314][ C3] ? lock_acquire+0x32/0xc0 [ 39.301615][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.301822][ C3] _raw_read_lock_bh+0x44/0x80 [ 39.302003][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.302191][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 39.302375][ C3] ndisc_send_ns+0xe7/0x100 [ 39.302564][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 39.302763][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 39.302979][ C3] ndisc_solicit+0x2ae/0x4d0 [ 39.303297][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 39.303478][ C3] ? neigh_probe+0x57/0xf0 [ 39.303676][ C3] neigh_probe+0xaa/0xf0 [ 39.303806][ C3] __neigh_event_send+0x7af/0xfe0 [ 39.303995][ C3] neigh_resolve_output+0x470/0x7c0 [ 39.304306][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 39.304497][ C3] ? ___neigh_create+0x7c6/0xe10 [ 39.304682][ C3] ip6_finish_output2+0x4ab/0xf80 [ 39.304898][ C3] ip6_finish_output+0x4ed/0xd30 [ 39.305191][ C3] ip6_output+0x1f3/0x770 [ 39.305324][ C3] ? __pfx_ip6_output+0x10/0x10 [ 39.305538][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 39.305774][ C3] ip6_forward+0xf29/0x2980 [ 39.306080][ C3] ? ip6_route_input+0x5a4/0xa50 [ 39.306268][ C3] ? __pfx_ip6_forward+0x10/0x10 [ 39.306478][ C3] ? ip6_rcv_core+0x9e5/0x1ae0 [ 39.306700][ C3] ? ipv6_rcv+0x626/0x810 [ 39.306828][ C3] ipv6_rcv+0x626/0x810 [ 39.307070][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 39.307243][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 39.307414][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 39.307629][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 39.307921][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 39.308175][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 39.308400][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 39.308624][ C3] ? lock_acquire+0x32/0xc0 [ 39.308930][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 39.309166][ C3] netif_receive_skb_internal+0xb0/0x330 [ 39.309378][ C3] ? __pfx_netif_receive_skb_internal+0x10/0x10 [ 39.309722][ C3] ? br_handle_vlan+0x13a/0x3c0 [bridge] [ 39.309974][ C3] netif_receive_skb+0x1b/0x30 [ 39.310147][ C3] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 39.310441][ C3] ? __pfx_br_handle_frame_finish+0x10/0x10 [bridge] [ 39.310810][ C3] ? ip6_input_finish+0x13c/0x260 [ 39.311009][ C3] ? ip6_protocol_deliver_rcu+0xb9c/0x1320 [ 39.311225][ C3] br_handle_frame+0x612/0xe60 [bridge] [ 39.311458][ C3] ? __pfx_br_handle_frame+0x10/0x10 [bridge] [ 39.311856][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 39.312079][ C3] ? mark_lock+0x38/0x3e0 [ 39.312226][ C3] ? __lock_acquire+0xaf0/0x1570 [ 39.312397][ C3] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 39.312740][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 39.312910][ C3] ? process_backlog+0x1f8/0x670 [ 39.313082][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 39.313298][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 39.313652][ C3] ? process_backlog+0x1f8/0x670 [ 39.313821][ C3] ? lock_acquire+0x32/0xc0 [ 39.314006][ C3] ? process_backlog+0x1f8/0x670 [ 39.314175][ C3] process_backlog+0x103/0x670 [ 39.314345][ C3] ? find_held_lock+0x2c/0x110 [ 39.314537][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 39.314709][ C3] net_rx_action+0x49f/0xc00 [ 39.314886][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 39.315059][ C3] ? usage_skip+0x180/0x190 [ 39.315229][ C3] ? mark_held_locks+0x9e/0xe0 [ 39.315417][ C3] __do_softirq+0x1f8/0x5df [ 39.315589][ C3] ? __neigh_event_send+0x2df/0xfe0 [ 39.315870][ C3] do_softirq+0x4d/0xa0 [ 39.316020][ C3] [ 39.316111][ C3] [ 39.316199][ C3] __local_bh_enable_ip+0xf6/0x120 [ 39.316372][ C3] __neigh_event_send+0x2e4/0xfe0 [ 39.316564][ C3] neigh_resolve_output+0x470/0x7c0 [ 39.316847][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 39.317018][ C3] ? ___neigh_create+0x7c6/0xe10 [ 39.317227][ C3] ip6_finish_output2+0x4ab/0xf80 [ 39.317399][ C3] ip6_finish_output+0x4ed/0xd30 [ 39.317852][ C3] ip6_output+0x1f3/0x770 [ 39.317981][ C3] ? __pfx_ip6_output+0x10/0x10 [ 39.318177][ C3] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 39.318398][ C3] ? ip6_local_out+0x25/0x3b0 [ 39.318580][ C3] ip6_send_skb+0xbd/0x280 [ 39.318900][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 39.319079][ C3] ? __pfx_raw6_getfrag+0x10/0x10 [ 39.319274][ C3] ? ip6_append_data+0x185/0x540 [ 39.319463][ C3] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 39.319822][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 39.319992][ C3] ? __pfx_validate_chain+0x10/0x10 [ 39.320202][ C3] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 39.320420][ C3] ? __lock_acquire+0xaf0/0x1570 [ 39.320748][ C3] ? find_held_lock+0x2c/0x110 [ 39.320918][ C3] ? __might_fault+0x11b/0x170 [ 39.321125][ C3] ? lock_acquire+0x32/0xc0 [ 39.321305][ C3] ? __might_fault+0xc3/0x170 [ 39.321612][ C3] ? __might_fault+0x11b/0x170 [ 39.321801][ C3] ? __sys_sendto+0x332/0x410 [ 39.321995][ C3] __sys_sendto+0x332/0x410 [ 39.322166][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 39.322371][ C3] ? do_user_addr_fault+0x449/0xbe0 [ 39.322558][ C3] ? reacquire_held_locks+0x22f/0x4f0 [ 39.322731][ C3] ? __lock_release+0x103/0x460 [ 39.322935][ C3] ? do_user_addr_fault+0x4b8/0xbe0 [ 39.323105][ C3] ? __up_read+0x1a7/0x780 [ 39.323294][ C3] ? __pfx___up_read+0x10/0x10 [ 39.323465][ C3] ? do_user_addr_fault+0x4b8/0xbe0 [ 39.323638][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 39.323817][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 39.324162][ C3] do_syscall_64+0xc6/0x1e0 [ 39.324352][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.324562][ C3] RIP: 0033:0x7f1b2e58c85a [ 39.324756][ 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 [ 39.325495][ C3] RSP: 002b:00007ffe042d2c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 39.325872][ C3] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f1b2e58c85a [ 39.326140][ C3] RDX: 0000000000000040 RSI: 000000001afd3340 RDI: 0000000000000005 [ 39.326392][ C3] RBP: 00007ffe042d2cd0 R08: 0000000000418574 R09: 000000000000001c [ 39.326782][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 39.327046][ C3] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f1b2e6b2000 [ 39.327323][ C3] [ 40.260642][ T329] veth1: left allmulticast mode [ 40.260844][ T329] veth1: left promiscuous mode [ 40.261111][ T329] br1: port 1(veth1) entered disabled state [ 42.456865][ T331] br1: port 1(veth1) entered blocking state [ 42.457080][ T331] br1: port 1(veth1) entered disabled state [ 42.457287][ T331] veth1: entered allmulticast mode [ 42.458811][ T331] veth1: entered promiscuous mode [ 42.459476][ T331] br1: port 1(veth1) entered blocking state [ 42.459656][ T331] br1: port 1(veth1) entered forwarding state [ 62.597983][ T366] veth1: left allmulticast mode [ 62.598244][ T366] veth1: left promiscuous mode [ 62.598545][ T366] br1: port 1(veth1) entered disabled state [ 64.872703][ T369] br1: port 1(veth1) entered blocking state [ 64.872914][ T369] br1: port 1(veth1) entered disabled state [ 64.873137][ T369] veth1: entered allmulticast mode [ 64.874670][ T369] veth1: entered promiscuous mode [ 64.875203][ T369] br1: port 1(veth1) entered blocking state [ 64.875380][ T369] br1: port 1(veth1) entered forwarding state [ 68.291435][ T388] br1: port 1(veth1) entered disabled state [ 68.428530][ T389] veth1: left allmulticast mode [ 68.428791][ T389] veth1: left promiscuous mode [ 68.429159][ T389] br1: port 1(veth1) entered disabled state