[ 30.194642][ T277] eth3: renamed from tmp [ 31.763338][ T284] eth2: renamed from tmp [ 33.094388][ T290] ip (290) used greatest stack depth: 23648 bytes left [ 34.026164][ T294] eth0: renamed from tmp [ 34.690413][ T297] br0: port 1(eth0) entered blocking state [ 34.690726][ T297] br0: port 1(eth0) entered disabled state [ 34.690962][ T297] eth0: entered allmulticast mode [ 34.692105][ T297] eth0: entered promiscuous mode [ 34.693413][ T297] br0: port 1(eth0) entered blocking state [ 34.693654][ T297] br0: port 1(eth0) entered forwarding state [ 35.627936][ T301] eth1: renamed from tmp [ 36.297857][ T304] br0: port 2(eth1) entered blocking state [ 36.298136][ T304] br0: port 2(eth1) entered disabled state [ 36.298345][ T304] eth1: entered allmulticast mode [ 36.299441][ T304] eth1: entered promiscuous mode [ 36.300258][ T304] br0: port 2(eth1) entered blocking state [ 36.300454][ T304] br0: port 2(eth1) entered forwarding state [ 36.533469][ C3] [ 36.533645][ C3] ======================================================== [ 36.533892][ C3] WARNING: possible irq lock inversion dependency detected [ 36.534139][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 36.534301][ C3] -------------------------------------------------------- [ 36.534542][ C3] ping6/305 just changed the state of lock: [ 36.534742][ C3] ffff888007c13d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 36.535038][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 36.535279][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 36.535283][ C3] [ 36.535283][ C3] [ 36.535283][ C3] and interrupts could create inverse lock ordering between them. [ 36.535283][ C3] [ 36.535877][ C3] [ 36.535877][ C3] other info that might help us debug this: [ 36.536133][ C3] Possible interrupt unsafe locking scenario: [ 36.536133][ C3] [ 36.536368][ C3] CPU0 CPU1 [ 36.536525][ C3] ---- ---- [ 36.536682][ C3] lock(&p->alloc_lock); [ 36.536803][ C3] local_irq_disable(); [ 36.536997][ C3] lock(&ndev->lock); [ 36.537196][ C3] lock(&p->alloc_lock); [ 36.537394][ C3] [ 36.537511][ C3] lock(&ndev->lock); [ 36.537632][ C3] [ 36.537632][ C3] *** DEADLOCK *** [ 36.537632][ C3] [ 36.537884][ C3] 6 locks held by ping6/305: [ 36.538046][ C3] #0: ffff888007d13718 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 36.538340][ C3] #1: ffffffffacf66360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 36.538628][ C3] #2: ffffffffacf66360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 36.538922][ C3] #3: ffffffffacf66360 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal+0x84/0x330 [ 36.539251][ C3] #4: ffffffffacf66360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 36.539541][ C3] #5: ffffffffacf66360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 36.539837][ C3] [ 36.539837][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 36.540118][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 36.540288][ C3] HARDIRQ-ON-W at: [ 36.540414][ C3] __lock_acquire+0x797/0x1570 [ 36.540626][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.540835][ C3] _raw_spin_lock+0x30/0x40 [ 36.541045][ C3] set_mems_allowed+0x1d/0x210 [ 36.541367][ C3] kernel_init_freeable+0x72/0x310 [ 36.541570][ C3] kernel_init+0x20/0x200 [ 36.541772][ C3] ret_from_fork+0x31/0x70 [ 36.542113][ C3] ret_from_fork_asm+0x1a/0x30 [ 36.542330][ C3] SOFTIRQ-ON-W at: [ 36.542454][ C3] __lock_acquire+0x797/0x1570 [ 36.542660][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.542976][ C3] _raw_spin_lock+0x30/0x40 [ 36.543183][ C3] set_mems_allowed+0x1d/0x210 [ 36.543388][ C3] kernel_init_freeable+0x72/0x310 [ 36.543595][ C3] kernel_init+0x20/0x200 [ 36.543801][ C3] ret_from_fork+0x31/0x70 [ 36.544007][ C3] ret_from_fork_asm+0x1a/0x30 [ 36.544219][ C3] INITIAL USE at: [ 36.544443][ C3] __lock_acquire+0x797/0x1570 [ 36.544643][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.544864][ C3] _raw_spin_lock+0x30/0x40 [ 36.545071][ C3] set_mems_allowed+0x1d/0x210 [ 36.545384][ C3] kernel_init_freeable+0x72/0x310 [ 36.545589][ C3] kernel_init+0x20/0x200 [ 36.545793][ C3] ret_from_fork+0x31/0x70 [ 36.546113][ C3] ret_from_fork_asm+0x1a/0x30 [ 36.546322][ C3] } [ 36.546409][ C3] ... key at: [] __key.388+0x0/0x40 [ 36.546655][ C3] ... acquired at: [ 36.546887][ C3] __lock_acquire+0xaf0/0x1570 [ 36.547052][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.547215][ C3] _raw_spin_lock+0x30/0x40 [ 36.547378][ C3] __get_task_comm+0x27/0x70 [ 36.547544][ C3] ref_tracker_alloc+0x2ee/0x490 [ 36.547709][ C3] netdev_get_by_index+0x5e/0x80 [ 36.547875][ C3] fib6_nh_init+0x3d8/0x1580 [ 36.548041][ C3] ip6_route_info_create+0xf18/0x17d0 [ 36.548211][ C3] addrconf_f6i_alloc+0x265/0x560 [ 36.548474][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 36.548635][ C3] addrconf_join_anycast+0x1c0/0x220 [ 36.548794][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 36.548972][ C3] addrconf_dad_completed+0x12b/0xe20 [ 36.549245][ C3] addrconf_dad_begin+0x310/0x670 [ 36.549407][ C3] addrconf_dad_work+0x10b/0xab0 [ 36.549570][ C3] process_one_work+0xe2c/0x1730 [ 36.549735][ C3] worker_thread+0x587/0xd30 [ 36.550012][ C3] kthread+0x28a/0x350 [ 36.550137][ C3] ret_from_fork+0x31/0x70 [ 36.550301][ C3] ret_from_fork_asm+0x1a/0x30 [ 36.550464][ C3] [ 36.550547][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 36.550717][ C3] HARDIRQ-ON-W at: [ 36.550840][ C3] __lock_acquire+0x797/0x1570 [ 36.551046][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.551252][ C3] _raw_write_lock_bh+0x38/0x50 [ 36.551676][ C3] addrconf_permanent_addr+0x6e/0x670 [ 36.551881][ C3] addrconf_notify+0x749/0xd60 [ 36.552096][ C3] notifier_call_chain+0xcd/0x150 [ 36.552402][ C3] __dev_notify_flags+0xe6/0x250 [ 36.552604][ C3] dev_change_flags+0xec/0x160 [ 36.552806][ C3] do_setlink+0x7d6/0x21e0 [ 36.553027][ C3] __rtnl_newlink+0xaa7/0xd80 [ 36.553343][ C3] rtnl_newlink+0x63/0xa0 [ 36.553547][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 36.553761][ C3] netlink_rcv_skb+0x130/0x360 [ 36.554077][ C3] netlink_unicast+0x449/0x710 [ 36.554283][ C3] netlink_sendmsg+0x723/0xbe0 [ 36.554489][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 36.554696][ C3] ___sys_sendmsg+0xee/0x170 [ 36.555013][ C3] __sys_sendmsg+0xcd/0x170 [ 36.555218][ C3] do_syscall_64+0xc6/0x1e0 [ 36.555427][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.555674][ C3] HARDIRQ-ON-R at: [ 36.555797][ C3] __lock_acquire+0x797/0x1570 [ 36.556004][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.556209][ C3] _raw_read_lock_bh+0x44/0x80 [ 36.556522][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 36.556730][ C3] inet6_fill_link_af+0x5e/0xe0 [ 36.556935][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 36.557248][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 36.557453][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 36.557699][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 36.558013][ C3] register_netdevice+0x1177/0x1690 [ 36.558221][ C3] register_netdev+0x20/0x40 [ 36.558426][ C3] vti6_init_net+0x25d/0x380 [ 36.558637][ C3] ops_init+0x9b/0x560 [ 36.558802][ C3] register_pernet_operations+0x2db/0x710 [ 36.559046][ C3] register_pernet_device+0x2a/0x60 [ 36.559250][ C3] vti6_tunnel_init+0x18/0x110 [ 36.559573][ C3] do_one_initcall+0x8d/0x1e0 [ 36.559773][ C3] do_initcalls+0x1b2/0x3e0 [ 36.560009][ C3] kernel_init_freeable+0x232/0x310 [ 36.560322][ C3] kernel_init+0x20/0x200 [ 36.560527][ C3] ret_from_fork+0x31/0x70 [ 36.560732][ C3] ret_from_fork_asm+0x1a/0x30 [ 36.560936][ C3] IN-SOFTIRQ-R at: [ 36.561169][ C3] __lock_acquire+0x797/0x1570 [ 36.561374][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.561580][ C3] _raw_read_lock_bh+0x44/0x80 [ 36.561785][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 36.562102][ C3] ndisc_send_ns+0xe7/0x100 [ 36.562307][ C3] ndisc_solicit+0x2ae/0x4d0 [ 36.562512][ C3] neigh_probe+0xaa/0xf0 [ 36.562719][ C3] __neigh_event_send+0x7af/0xfe0 [ 36.562926][ C3] neigh_resolve_output+0x470/0x7c0 [ 36.563131][ C3] ip6_finish_output2+0x512/0xf60 [ 36.563443][ C3] ip6_finish_output+0x553/0xdf0 [ 36.563646][ C3] ip6_output+0x1f3/0x770 [ 36.563849][ C3] ip6_forward+0xf29/0x2980 [ 36.564066][ C3] ipv6_rcv+0x626/0x810 [ 36.564473][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 36.564712][ C3] netif_receive_skb_internal+0xb0/0x330 [ 36.564951][ C3] netif_receive_skb+0x1b/0x30 [ 36.565255][ C3] br_handle_frame_finish+0xbef/0x1ce0 [ 36.565456][ C3] br_handle_frame+0x60d/0xd60 [ 36.565656][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 36.566026][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 36.566271][ C3] process_backlog+0x103/0x670 [ 36.566476][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 36.566681][ C3] net_rx_action+0x49f/0xc00 [ 36.566886][ C3] __do_softirq+0x1f8/0x5df [ 36.567094][ C3] do_softirq+0x4d/0xa0 [ 36.567301][ C3] __local_bh_enable_ip+0xf6/0x120 [ 36.567612][ C3] __neigh_event_send+0x2e4/0xfe0 [ 36.567817][ C3] neigh_resolve_output+0x470/0x7c0 [ 36.568020][ C3] ip6_finish_output2+0x512/0xf60 [ 36.568336][ C3] ip6_finish_output+0x553/0xdf0 [ 36.568538][ C3] ip6_output+0x1f3/0x770 [ 36.568736][ C3] ip6_send_skb+0xbd/0x280 [ 36.569064][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 36.569311][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 36.569515][ C3] __sys_sendto+0x332/0x410 [ 36.569721][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 36.570043][ C3] do_syscall_64+0xc6/0x1e0 [ 36.570250][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.570496][ C3] INITIAL USE at: [ 36.570620][ C3] __lock_acquire+0x797/0x1570 [ 36.570826][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.571032][ C3] _raw_write_lock_bh+0x38/0x50 [ 36.571237][ C3] addrconf_permanent_addr+0x6e/0x670 [ 36.571554][ C3] addrconf_notify+0x749/0xd60 [ 36.571758][ C3] notifier_call_chain+0xcd/0x150 [ 36.571962][ C3] __dev_notify_flags+0xe6/0x250 [ 36.572280][ C3] dev_change_flags+0xec/0x160 [ 36.572478][ C3] do_setlink+0x7d6/0x21e0 [ 36.572675][ C3] __rtnl_newlink+0xaa7/0xd80 [ 36.572979][ C3] rtnl_newlink+0x63/0xa0 [ 36.573197][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 36.573400][ C3] netlink_rcv_skb+0x130/0x360 [ 36.573605][ C3] netlink_unicast+0x449/0x710 [ 36.573919][ C3] netlink_sendmsg+0x723/0xbe0 [ 36.574124][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 36.574329][ C3] ___sys_sendmsg+0xee/0x170 [ 36.574535][ C3] __sys_sendmsg+0xcd/0x170 [ 36.574742][ C3] do_syscall_64+0xc6/0x1e0 [ 36.574950][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.575302][ C3] INITIAL READ USE at: [ 36.575426][ C3] __lock_acquire+0x797/0x1570 [ 36.575629][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.575834][ C3] _raw_read_lock_bh+0x44/0x80 [ 36.576158][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 36.576395][ C3] inet6_fill_link_af+0x5e/0xe0 [ 36.576594][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 36.576901][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 36.577154][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 36.577407][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 36.577615][ C3] register_netdevice+0x1177/0x1690 [ 36.577858][ C3] register_netdev+0x20/0x40 [ 36.578062][ C3] vti6_init_net+0x25d/0x380 [ 36.578269][ C3] ops_init+0x9b/0x560 [ 36.578581][ C3] register_pernet_operations+0x2db/0x710 [ 36.578825][ C3] register_pernet_device+0x2a/0x60 [ 36.579074][ C3] vti6_tunnel_init+0x18/0x110 [ 36.579387][ C3] do_one_initcall+0x8d/0x1e0 [ 36.579595][ C3] do_initcalls+0x1b2/0x3e0 [ 36.579799][ C3] kernel_init_freeable+0x232/0x310 [ 36.580158][ C3] kernel_init+0x20/0x200 [ 36.580363][ C3] ret_from_fork+0x31/0x70 [ 36.580568][ C3] ret_from_fork_asm+0x1a/0x30 [ 36.580884][ C3] } [ 36.580967][ C3] ... key at: [] __key.37+0x0/0x40 [ 36.581210][ C3] ... acquired at: [ 36.581331][ C3] mark_lock+0x28d/0x3e0 [ 36.581495][ C3] mark_usage+0xd9/0x2a0 [ 36.581658][ C3] __lock_acquire+0x797/0x1570 [ 36.581826][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.581989][ C3] _raw_read_lock_bh+0x44/0x80 [ 36.582152][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 36.582422][ C3] ndisc_send_ns+0xe7/0x100 [ 36.582585][ C3] ndisc_solicit+0x2ae/0x4d0 [ 36.582747][ C3] neigh_probe+0xaa/0xf0 [ 36.582912][ C3] __neigh_event_send+0x7af/0xfe0 [ 36.583181][ C3] neigh_resolve_output+0x470/0x7c0 [ 36.583343][ C3] ip6_finish_output2+0x512/0xf60 [ 36.583508][ C3] ip6_finish_output+0x553/0xdf0 [ 36.583671][ C3] ip6_output+0x1f3/0x770 [ 36.583940][ C3] ip6_forward+0xf29/0x2980 [ 36.584113][ C3] ipv6_rcv+0x626/0x810 [ 36.584232][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 36.584429][ C3] netif_receive_skb_internal+0xb0/0x330 [ 36.584729][ C3] netif_receive_skb+0x1b/0x30 [ 36.584905][ C3] br_handle_frame_finish+0xbef/0x1ce0 [ 36.585071][ C3] br_handle_frame+0x60d/0xd60 [ 36.585243][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 36.585551][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 36.585757][ C3] process_backlog+0x103/0x670 [ 36.585921][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 36.586083][ C3] net_rx_action+0x49f/0xc00 [ 36.586352][ C3] __do_softirq+0x1f8/0x5df [ 36.586519][ C3] do_softirq+0x4d/0xa0 [ 36.586641][ C3] __local_bh_enable_ip+0xf6/0x120 [ 36.586803][ C3] __neigh_event_send+0x2e4/0xfe0 [ 36.586966][ C3] neigh_resolve_output+0x470/0x7c0 [ 36.587261][ C3] ip6_finish_output2+0x512/0xf60 [ 36.587421][ C3] ip6_finish_output+0x553/0xdf0 [ 36.587583][ C3] ip6_output+0x1f3/0x770 [ 36.587747][ C3] ip6_send_skb+0xbd/0x280 [ 36.588019][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 36.588221][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 36.588392][ C3] __sys_sendto+0x332/0x410 [ 36.588550][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 36.588833][ C3] do_syscall_64+0xc6/0x1e0 [ 36.588996][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.589198][ C3] [ 36.589279][ C3] [ 36.589279][ C3] stack backtrace: [ 36.589582][ C3] CPU: 3 PID: 305 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 36.589845][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.590209][ C3] Call Trace: [ 36.590443][ C3] [ 36.590527][ C3] dump_stack_lvl+0x82/0xd0 [ 36.590694][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 36.590898][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 36.591236][ C3] ? __pfx_usage_skip+0x10/0x10 [ 36.591403][ C3] ? __pfx_usage_match+0x10/0x10 [ 36.591566][ C3] ? arch_stack_walk+0xa2/0xf0 [ 36.591731][ C3] mark_lock_irq+0x4cd/0xa10 [ 36.591896][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 36.592166][ C3] ? stack_trace_save+0x94/0xd0 [ 36.592333][ C3] ? save_trace+0x8f/0x5b0 [ 36.592499][ C3] mark_lock+0x28d/0x3e0 [ 36.592623][ C3] mark_usage+0xd9/0x2a0 [ 36.592857][ C3] __lock_acquire+0x797/0x1570 [ 36.593023][ C3] lock_acquire.part.0+0xeb/0x330 [ 36.593193][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.593356][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 36.593515][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 36.593675][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.593851][ C3] ? lock_acquire+0x32/0xc0 [ 36.594013][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.594176][ C3] _raw_read_lock_bh+0x44/0x80 [ 36.594449][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.594611][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 36.594776][ C3] ndisc_send_ns+0xe7/0x100 [ 36.594939][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 36.595233][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 36.595437][ C3] ndisc_solicit+0x2ae/0x4d0 [ 36.595600][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 36.595764][ C3] ? neigh_probe+0x57/0xf0 [ 36.596041][ C3] neigh_probe+0xaa/0xf0 [ 36.596165][ C3] __neigh_event_send+0x7af/0xfe0 [ 36.596330][ C3] neigh_resolve_output+0x470/0x7c0 [ 36.596501][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 36.596659][ C3] ? ___neigh_create+0x7c6/0xe10 [ 36.596926][ C3] ip6_finish_output2+0x512/0xf60 [ 36.597087][ C3] ip6_finish_output+0x553/0xdf0 [ 36.597246][ C3] ip6_output+0x1f3/0x770 [ 36.597366][ C3] ? __pfx_ip6_output+0x10/0x10 [ 36.597529][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 36.597729][ C3] ip6_forward+0xf29/0x2980 [ 36.597920][ C3] ? ip6_route_input+0x5a4/0xa50 [ 36.598085][ C3] ? __pfx_ip6_forward+0x10/0x10 [ 36.598358][ C3] ? ip6_rcv_core+0x9e5/0x1ae0 [ 36.598522][ C3] ? ipv6_rcv+0x626/0x810 [ 36.598644][ C3] ipv6_rcv+0x626/0x810 [ 36.598768][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 36.598933][ C3] ? perf_trace_iomap_dio_complete+0x411/0x8c0 [ 36.599273][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 36.599438][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 36.599641][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 36.599807][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 36.600118][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 36.600320][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 36.600524][ C3] ? lock_acquire+0x32/0xc0 [ 36.600796][ C3] ? netif_receive_skb_internal+0x84/0x330 [ 36.600999][ C3] netif_receive_skb_internal+0xb0/0x330 [ 36.601162][ C3] ? __pfx_netif_receive_skb_internal+0x10/0x10 [ 36.601365][ C3] ? fdb_find_rcu+0xe9/0x180 [ 36.601637][ C3] netif_receive_skb+0x1b/0x30 [ 36.601802][ C3] br_handle_frame_finish+0xbef/0x1ce0 [ 36.601967][ C3] ? __pfx_br_handle_frame_finish+0x10/0x10 [ 36.602172][ C3] ? ip6_input_finish+0x13c/0x260 [ 36.602547][ C3] ? ip6_protocol_deliver_rcu+0xb9c/0x1330 [ 36.602752][ C3] br_handle_frame+0x60d/0xd60 [ 36.602914][ C3] ? __pfx_br_handle_frame+0x10/0x10 [ 36.603079][ C3] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 36.603416][ C3] ? mark_lock+0x38/0x3e0 [ 36.603540][ C3] ? __lock_acquire+0xaf0/0x1570 [ 36.603703][ C3] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 36.603911][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 36.604180][ C3] ? process_backlog+0x1f8/0x670 [ 36.604346][ C3] __netif_receive_skb_one_core+0xaf/0x1b0 [ 36.604554][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 36.604751][ C3] ? process_backlog+0x1f8/0x670 [ 36.605017][ C3] ? lock_acquire+0x32/0xc0 [ 36.605176][ C3] ? process_backlog+0x1f8/0x670 [ 36.605336][ C3] process_backlog+0x103/0x670 [ 36.605502][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 36.605664][ C3] net_rx_action+0x49f/0xc00 [ 36.605843][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 36.606007][ C3] ? usage_skip+0x150/0x190 [ 36.606171][ C3] ? mark_held_locks+0x9e/0xe0 [ 36.606442][ C3] __do_softirq+0x1f8/0x5df [ 36.606609][ C3] ? __neigh_event_send+0x2df/0xfe0 [ 36.606771][ C3] do_softirq+0x4d/0xa0 [ 36.606897][ C3] [ 36.606981][ C3] [ 36.607074][ C3] __local_bh_enable_ip+0xf6/0x120 [ 36.607359][ C3] __neigh_event_send+0x2e4/0xfe0 [ 36.607524][ C3] neigh_resolve_output+0x470/0x7c0 [ 36.607688][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 36.607850][ C3] ? ___neigh_create+0x7c6/0xe10 [ 36.608124][ C3] ip6_finish_output2+0x512/0xf60 [ 36.608287][ C3] ip6_finish_output+0x553/0xdf0 [ 36.608452][ C3] ip6_output+0x1f3/0x770 [ 36.608575][ C3] ? __pfx___ip6_make_skb+0x10/0x10 [ 36.608846][ C3] ? __pfx_ip6_output+0x10/0x10 [ 36.609013][ C3] ? ip6_local_out+0x25/0x3b0 [ 36.609185][ C3] ip6_send_skb+0xbd/0x280 [ 36.609343][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 36.609502][ C3] ? __pfx_raw6_getfrag+0x10/0x10 [ 36.609661][ C3] ? ip6_append_data+0x185/0x540 [ 36.609847][ C3] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 36.610058][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 36.610220][ C3] ? __pfx_validate_chain+0x10/0x10 [ 36.610491][ C3] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 36.610653][ C3] ? __lock_acquire+0xaf0/0x1570 [ 36.610816][ C3] ? hlock_class+0x4e/0x130 [ 36.610980][ C3] ? find_held_lock+0x2c/0x110 [ 36.611253][ C3] ? __might_fault+0x11b/0x170 [ 36.611421][ C3] ? lock_acquire+0x32/0xc0 [ 36.611587][ C3] ? __might_fault+0xc3/0x170 [ 36.611750][ C3] ? __might_fault+0x11b/0x170 [ 36.612021][ C3] ? __sys_sendto+0x332/0x410 [ 36.612184][ C3] __sys_sendto+0x332/0x410 [ 36.612350][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 36.612515][ C3] ? find_held_lock+0x2c/0x110 [ 36.612787][ C3] ? __might_fault+0xc3/0x170 [ 36.612950][ C3] ? lock_acquire+0x32/0xc0 [ 36.613122][ C3] ? __might_fault+0xc3/0x170 [ 36.613301][ C3] ? trace_rseq_update+0xd2/0x130 [ 36.613471][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 36.613678][ C3] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 36.613883][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 36.614046][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 36.614356][ C3] do_syscall_64+0xc6/0x1e0 [ 36.614520][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.614723][ C3] RIP: 0033:0x7f4d126a885a [ 36.614894][ 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 [ 36.615692][ C3] RSP: 002b:00007ffc724f22b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 36.616052][ C3] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f4d126a885a [ 36.616297][ C3] RDX: 0000000000000040 RSI: 000000002c3a6340 RDI: 0000000000000005 [ 36.616543][ C3] RBP: 00007ffc724f2340 R08: 0000000000418574 R09: 000000000000001c [ 36.616897][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 36.617151][ C3] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f4d127ce000 [ 36.617397][ C3] [ 40.996566][ T72] br0: port 1(eth0) entered disabled state [ 40.998840][ T72] eth0 (unregistering): left allmulticast mode [ 40.999003][ T72] eth0 (unregistering): left promiscuous mode [ 40.999153][ T72] br0: port 1(eth0) entered disabled state [ 41.548727][ T72] eth1: left allmulticast mode [ 41.548892][ T72] eth1: left promiscuous mode [ 41.549126][ T72] br0: port 2(eth1) entered disabled state [ 48.015724][ T367] eth1: renamed from tmp [ 49.727852][ T376] eth2: renamed from tmp