[ 263.610084][ T2905] ip (2905) used greatest stack depth: 22848 bytes left [ 263.728737][ T2906] eth0: renamed from r1h1 [ 263.992735][ T2908] eth0: renamed from r2h1 [ 264.360943][ T2911] eth2: renamed from r2h2 [ 264.731453][ T2914] eth1: renamed from r2r1 [ 265.330922][ T2919] br0: port 1(eth0) entered blocking state [ 265.331579][ T2919] br0: port 1(eth0) entered disabled state [ 265.331829][ T2919] eth0: entered allmulticast mode [ 265.334138][ T2919] eth0: entered promiscuous mode [ 265.336488][ T351] br0: port 1(eth0) entered blocking state [ 265.336753][ T351] br0: port 1(eth0) entered forwarding state [ 265.451708][ T2920] br0: port 2(eth1) entered blocking state [ 265.452075][ T2920] br0: port 2(eth1) entered disabled state [ 265.452761][ T2920] eth1: entered allmulticast mode [ 265.454256][ T2920] eth1: entered promiscuous mode [ 265.455570][ T50] br0: port 2(eth1) entered blocking state [ 265.455776][ T50] br0: port 2(eth1) entered forwarding state [ 270.534979][ C1] [ 270.535102][ C1] ======================================================== [ 270.535358][ C1] WARNING: possible irq lock inversion dependency detected [ 270.535610][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 270.535779][ C1] -------------------------------------------------------- [ 270.536026][ C1] ping6/2955 just changed the state of lock: [ 270.536233][ C1] ffff888010448d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 270.536538][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 270.536789][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 270.536794][ C1] [ 270.536794][ C1] [ 270.536794][ C1] and interrupts could create inverse lock ordering between them. [ 270.536794][ C1] [ 270.537411][ C1] [ 270.537411][ C1] other info that might help us debug this: [ 270.537657][ C1] Possible interrupt unsafe locking scenario: [ 270.537657][ C1] [ 270.537907][ C1] CPU0 CPU1 [ 270.538073][ C1] ---- ---- [ 270.538241][ C1] lock(&p->alloc_lock); [ 270.538375][ C1] local_irq_disable(); [ 270.538587][ C1] lock(&ndev->lock); [ 270.538799][ C1] lock(&p->alloc_lock); [ 270.539007][ C1] [ 270.539136][ C1] lock(&ndev->lock); [ 270.539282][ C1] [ 270.539282][ C1] *** DEADLOCK *** [ 270.539282][ C1] [ 270.539527][ C1] 5 locks held by ping6/2955: [ 270.539698][ C1] #0: ffff88800e43be98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 270.540002][ C1] #1: ffffffff8ed66360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 270.540298][ C1] #2: ffffffff8ed66360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 270.540603][ C1] #3: ffffffff8ed66360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 270.540897][ C1] #4: ffffffff8ed66360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 270.541201][ C1] [ 270.541201][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 270.541488][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 270.541668][ C1] HARDIRQ-ON-W at: [ 270.541797][ C1] __lock_acquire+0x797/0x1570 [ 270.542014][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.542227][ C1] _raw_spin_lock+0x30/0x40 [ 270.542455][ C1] set_mems_allowed+0x1d/0x210 [ 270.542669][ C1] kernel_init_freeable+0x72/0x310 [ 270.542888][ C1] kernel_init+0x20/0x200 [ 270.543100][ C1] ret_from_fork+0x31/0x70 [ 270.543317][ C1] ret_from_fork_asm+0x1a/0x30 [ 270.543534][ C1] SOFTIRQ-ON-W at: [ 270.543670][ C1] __lock_acquire+0x797/0x1570 [ 270.543886][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.544100][ C1] _raw_spin_lock+0x30/0x40 [ 270.544316][ C1] set_mems_allowed+0x1d/0x210 [ 270.544528][ C1] kernel_init_freeable+0x72/0x310 [ 270.544741][ C1] kernel_init+0x20/0x200 [ 270.544954][ C1] ret_from_fork+0x31/0x70 [ 270.545168][ C1] ret_from_fork_asm+0x1a/0x30 [ 270.545388][ C1] INITIAL USE at: [ 270.545517][ C1] __lock_acquire+0x797/0x1570 [ 270.545732][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.545963][ C1] _raw_spin_lock+0x30/0x40 [ 270.546177][ C1] set_mems_allowed+0x1d/0x210 [ 270.546392][ C1] kernel_init_freeable+0x72/0x310 [ 270.546607][ C1] kernel_init+0x20/0x200 [ 270.546824][ C1] ret_from_fork+0x31/0x70 [ 270.547040][ C1] ret_from_fork_asm+0x1a/0x30 [ 270.547255][ C1] } [ 270.547342][ C1] ... key at: [] __key.388+0x0/0x40 [ 270.547599][ C1] ... acquired at: [ 270.547724][ C1] __lock_acquire+0xaf0/0x1570 [ 270.547896][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.548068][ C1] _raw_spin_lock+0x30/0x40 [ 270.548249][ C1] __get_task_comm+0x27/0x70 [ 270.548424][ C1] ref_tracker_alloc+0x2ee/0x490 [ 270.548594][ C1] netdev_get_by_index+0x5e/0x80 [ 270.548769][ C1] fib6_nh_init+0x3d8/0x1580 [ 270.548939][ C1] ip6_route_info_create+0xf18/0x17d0 [ 270.549106][ C1] addrconf_f6i_alloc+0x265/0x560 [ 270.549273][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 270.549447][ C1] addrconf_join_anycast+0x1c0/0x220 [ 270.549617][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 270.549783][ C1] addrconf_dad_completed+0x12b/0xe20 [ 270.549950][ C1] addrconf_dad_work+0x38c/0xab0 [ 270.550126][ C1] process_one_work+0xe2c/0x1730 [ 270.550297][ C1] worker_thread+0x587/0xd30 [ 270.550472][ C1] kthread+0x28a/0x350 [ 270.550600][ C1] ret_from_fork+0x31/0x70 [ 270.550771][ C1] ret_from_fork_asm+0x1a/0x30 [ 270.550939][ C1] [ 270.551031][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 270.551204][ C1] HARDIRQ-ON-W at: [ 270.551331][ C1] __lock_acquire+0x797/0x1570 [ 270.551540][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.551752][ C1] _raw_write_lock_bh+0x38/0x50 [ 270.551965][ C1] addrconf_permanent_addr+0x6e/0x670 [ 270.552186][ C1] addrconf_notify+0x749/0xd60 [ 270.552406][ C1] notifier_call_chain+0xcd/0x150 [ 270.552618][ C1] __dev_notify_flags+0xe6/0x250 [ 270.552833][ C1] dev_change_flags+0xec/0x160 [ 270.553047][ C1] do_setlink+0x7d6/0x21e0 [ 270.553257][ C1] __rtnl_newlink+0xaa7/0xd80 [ 270.553471][ C1] rtnl_newlink+0x63/0xa0 [ 270.553696][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.553909][ C1] netlink_rcv_skb+0x130/0x360 [ 270.554135][ C1] netlink_unicast+0x449/0x710 [ 270.554351][ C1] netlink_sendmsg+0x723/0xbe0 [ 270.554566][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 270.554781][ C1] ___sys_sendmsg+0xee/0x170 [ 270.555007][ C1] __sys_sendmsg+0xcd/0x170 [ 270.555221][ C1] do_syscall_64+0xc6/0x1e0 [ 270.555436][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.555691][ C1] HARDIRQ-ON-R at: [ 270.555819][ C1] __lock_acquire+0x797/0x1570 [ 270.556032][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.556244][ C1] _raw_read_lock_bh+0x44/0x80 [ 270.556461][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 270.556677][ C1] inet6_fill_link_af+0x5e/0xe0 [ 270.556892][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 270.557104][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 270.557319][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 270.557576][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 270.557791][ C1] register_netdevice+0x1177/0x1690 [ 270.558006][ C1] register_netdev+0x20/0x40 [ 270.558323][ C1] vti6_init_net+0x25d/0x380 [ 270.558541][ C1] ops_init+0x9b/0x560 [ 270.558712][ C1] register_pernet_operations+0x2db/0x710 [ 270.558965][ C1] register_pernet_device+0x2a/0x60 [ 270.559281][ C1] vti6_tunnel_init+0x18/0x110 [ 270.559493][ C1] do_one_initcall+0x8d/0x1e0 [ 270.559703][ C1] do_initcalls+0x1b2/0x3e0 [ 270.560023][ C1] kernel_init_freeable+0x232/0x310 [ 270.560243][ C1] kernel_init+0x20/0x200 [ 270.560457][ C1] ret_from_fork+0x31/0x70 [ 270.560675][ C1] ret_from_fork_asm+0x1a/0x30 [ 270.560890][ C1] IN-SOFTIRQ-R at: [ 270.561020][ C1] __lock_acquire+0x797/0x1570 [ 270.561234][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.561653][ C1] _raw_read_lock_bh+0x44/0x80 [ 270.561865][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 270.562079][ C1] ndisc_send_ns+0xe7/0x100 [ 270.562294][ C1] ndisc_solicit+0x2ae/0x4d0 [ 270.562609][ C1] neigh_probe+0xaa/0xf0 [ 270.562821][ C1] __neigh_event_send+0x7af/0xfe0 [ 270.563031][ C1] neigh_resolve_output+0x470/0x7c0 [ 270.563349][ C1] ip6_finish_output2+0x512/0xf60 [ 270.563558][ C1] ip6_finish_output+0x553/0xdf0 [ 270.563779][ C1] ip6_output+0x1f3/0x770 [ 270.563991][ C1] ip6_forward+0xf29/0x2980 [ 270.564319][ C1] ipv6_rcv+0x626/0x810 [ 270.564531][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 270.564787][ C1] process_backlog+0x103/0x670 [ 270.565103][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 270.565318][ C1] net_rx_action+0x49f/0xc00 [ 270.565533][ C1] __do_softirq+0x1f8/0x5df [ 270.565748][ C1] do_softirq+0x4d/0xa0 [ 270.565966][ C1] __local_bh_enable_ip+0xf6/0x120 [ 270.566181][ C1] __neigh_event_send+0x2e4/0xfe0 [ 270.566395][ C1] neigh_resolve_output+0x470/0x7c0 [ 270.566710][ C1] ip6_finish_output2+0x512/0xf60 [ 270.566925][ C1] ip6_finish_output+0x553/0xdf0 [ 270.567144][ C1] ip6_output+0x1f3/0x770 [ 270.567463][ C1] ip6_send_skb+0xbd/0x280 [ 270.567676][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 270.567931][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 270.568250][ C1] __sys_sendto+0x332/0x410 [ 270.568467][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 270.568685][ C1] do_syscall_64+0xc6/0x1e0 [ 270.568900][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.569259][ C1] INITIAL USE at: [ 270.569386][ C1] __lock_acquire+0x797/0x1570 [ 270.569599][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.569818][ C1] _raw_write_lock_bh+0x38/0x50 [ 270.570034][ C1] addrconf_permanent_addr+0x6e/0x670 [ 270.570247][ C1] addrconf_notify+0x749/0xd60 [ 270.570461][ C1] notifier_call_chain+0xcd/0x150 [ 270.570781][ C1] __dev_notify_flags+0xe6/0x250 [ 270.570995][ C1] dev_change_flags+0xec/0x160 [ 270.571217][ C1] do_setlink+0x7d6/0x21e0 [ 270.571531][ C1] __rtnl_newlink+0xaa7/0xd80 [ 270.571755][ C1] rtnl_newlink+0x63/0xa0 [ 270.571971][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.572281][ C1] netlink_rcv_skb+0x130/0x360 [ 270.572494][ C1] netlink_unicast+0x449/0x710 [ 270.572707][ C1] netlink_sendmsg+0x723/0xbe0 [ 270.572919][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 270.573241][ C1] ___sys_sendmsg+0xee/0x170 [ 270.573455][ C1] __sys_sendmsg+0xcd/0x170 [ 270.573683][ C1] do_syscall_64+0xc6/0x1e0 [ 270.573997][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.574249][ C1] INITIAL READ USE at: [ 270.574377][ C1] __lock_acquire+0x797/0x1570 [ 270.574589][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.574909][ C1] _raw_read_lock_bh+0x44/0x80 [ 270.575120][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 270.575374][ C1] inet6_fill_link_af+0x5e/0xe0 [ 270.575686][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 270.575898][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 270.576161][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 270.576520][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 270.576733][ C1] register_netdevice+0x1177/0x1690 [ 270.576990][ C1] register_netdev+0x20/0x40 [ 270.577307][ C1] vti6_init_net+0x25d/0x380 [ 270.577521][ C1] ops_init+0x9b/0x560 [ 270.577735][ C1] register_pernet_operations+0x2db/0x710 [ 270.578102][ C1] register_pernet_device+0x2a/0x60 [ 270.578357][ C1] vti6_tunnel_init+0x18/0x110 [ 270.578570][ C1] do_one_initcall+0x8d/0x1e0 [ 270.578785][ C1] do_initcalls+0x1b2/0x3e0 [ 270.579100][ C1] kernel_init_freeable+0x232/0x310 [ 270.579361][ C1] kernel_init+0x20/0x200 [ 270.579574][ C1] ret_from_fork+0x31/0x70 [ 270.579796][ C1] ret_from_fork_asm+0x1a/0x30 [ 270.580010][ C1] } [ 270.580097][ C1] ... key at: [] __key.37+0x0/0x40 [ 270.580355][ C1] ... acquired at: [ 270.580579][ C1] mark_lock+0x28d/0x3e0 [ 270.580752][ C1] mark_usage+0xd9/0x2a0 [ 270.580926][ C1] __lock_acquire+0x797/0x1570 [ 270.581095][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.581373][ C1] _raw_read_lock_bh+0x44/0x80 [ 270.581540][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 270.581705][ C1] ndisc_send_ns+0xe7/0x100 [ 270.581872][ C1] ndisc_solicit+0x2ae/0x4d0 [ 270.582140][ C1] neigh_probe+0xaa/0xf0 [ 270.582308][ C1] __neigh_event_send+0x7af/0xfe0 [ 270.582486][ C1] neigh_resolve_output+0x470/0x7c0 [ 270.582653][ C1] ip6_finish_output2+0x512/0xf60 [ 270.582819][ C1] ip6_finish_output+0x553/0xdf0 [ 270.583086][ C1] ip6_output+0x1f3/0x770 [ 270.583257][ C1] ip6_forward+0xf29/0x2980 [ 270.583423][ C1] ipv6_rcv+0x626/0x810 [ 270.583551][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 270.583769][ C1] process_backlog+0x103/0x670 [ 270.583939][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 270.584105][ C1] net_rx_action+0x49f/0xc00 [ 270.584280][ C1] __do_softirq+0x1f8/0x5df [ 270.584549][ C1] do_softirq+0x4d/0xa0 [ 270.584674][ C1] __local_bh_enable_ip+0xf6/0x120 [ 270.584841][ C1] __neigh_event_send+0x2e4/0xfe0 [ 270.585007][ C1] neigh_resolve_output+0x470/0x7c0 [ 270.585175][ C1] ip6_finish_output2+0x512/0xf60 [ 270.585450][ C1] ip6_finish_output+0x553/0xdf0 [ 270.585618][ C1] ip6_output+0x1f3/0x770 [ 270.585785][ C1] ip6_send_skb+0xbd/0x280 [ 270.585951][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 270.586258][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 270.586426][ C1] __sys_sendto+0x332/0x410 [ 270.586595][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 270.586765][ C1] do_syscall_64+0xc6/0x1e0 [ 270.587038][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.587254][ C1] [ 270.587339][ C1] [ 270.587339][ C1] stack backtrace: [ 270.587547][ C1] CPU: 1 PID: 2955 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 270.587910][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 270.588291][ C1] Call Trace: [ 270.588423][ C1] [ 270.588609][ C1] dump_stack_lvl+0x82/0xd0 [ 270.588787][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 270.589007][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 270.589222][ C1] ? __pfx_usage_skip+0x10/0x10 [ 270.589496][ C1] ? __pfx_usage_match+0x10/0x10 [ 270.589664][ C1] ? arch_stack_walk+0xa2/0xf0 [ 270.589835][ C1] mark_lock_irq+0x4cd/0xa10 [ 270.590006][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 270.590271][ C1] ? stack_trace_save+0x94/0xd0 [ 270.590444][ C1] ? save_trace+0x8f/0x5b0 [ 270.590611][ C1] mark_lock+0x28d/0x3e0 [ 270.590750][ C1] mark_usage+0xd9/0x2a0 [ 270.590883][ C1] __lock_acquire+0x797/0x1570 [ 270.591154][ C1] lock_acquire.part.0+0xeb/0x330 [ 270.591322][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 270.591488][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 270.591658][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 270.591929][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 270.592097][ C1] ? lock_acquire+0x32/0xc0 [ 270.592268][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 270.592434][ C1] _raw_read_lock_bh+0x44/0x80 [ 270.592605][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 270.592769][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 270.592935][ C1] ndisc_send_ns+0xe7/0x100 [ 270.593103][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 270.593273][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 270.593587][ C1] ndisc_solicit+0x2ae/0x4d0 [ 270.593763][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 270.593930][ C1] ? neigh_probe+0x57/0xf0 [ 270.594099][ C1] neigh_probe+0xaa/0xf0 [ 270.594326][ C1] __neigh_event_send+0x7af/0xfe0 [ 270.594499][ C1] neigh_resolve_output+0x470/0x7c0 [ 270.594665][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 270.594831][ C1] ? ___neigh_create+0x7c6/0xe10 [ 270.595104][ C1] ip6_finish_output2+0x512/0xf60 [ 270.595271][ C1] ip6_finish_output+0x553/0xdf0 [ 270.595439][ C1] ip6_output+0x1f3/0x770 [ 270.595567][ C1] ? __pfx_ip6_output+0x10/0x10 [ 270.595739][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 270.596059][ C1] ip6_forward+0xf29/0x2980 [ 270.596226][ C1] ? ip6_route_input+0x5a4/0xa50 [ 270.596395][ C1] ? __pfx_ip6_forward+0x10/0x10 [ 270.596564][ C1] ? ip6_rcv_core+0x9e5/0x1ae0 [ 270.596738][ C1] ? ipv6_rcv+0x626/0x810 [ 270.596868][ C1] ipv6_rcv+0x626/0x810 [ 270.596995][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 270.597167][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 270.597336][ C1] ? process_backlog+0x1f8/0x670 [ 270.597605][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 270.597771][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 270.597988][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 270.598300][ C1] ? process_backlog+0x1f8/0x670 [ 270.598467][ C1] ? lock_acquire+0x32/0xc0 [ 270.598635][ C1] ? process_backlog+0x1f8/0x670 [ 270.598803][ C1] process_backlog+0x103/0x670 [ 270.598971][ C1] ? find_held_lock+0x2c/0x110 [ 270.599241][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 270.599413][ C1] net_rx_action+0x49f/0xc00 [ 270.599583][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 270.599752][ C1] ? usage_skip+0x150/0x190 [ 270.600025][ C1] ? mark_held_locks+0x9e/0xe0 [ 270.600191][ C1] __do_softirq+0x1f8/0x5df [ 270.600365][ C1] ? __neigh_event_send+0x2df/0xfe0 [ 270.600535][ C1] do_softirq+0x4d/0xa0 [ 270.600761][ C1] [ 270.600847][ C1] [ 270.600931][ C1] __local_bh_enable_ip+0xf6/0x120 [ 270.601097][ C1] __neigh_event_send+0x2e4/0xfe0 [ 270.601263][ C1] neigh_resolve_output+0x470/0x7c0 [ 270.601431][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 270.601701][ C1] ? ___neigh_create+0x7c6/0xe10 [ 270.601871][ C1] ip6_finish_output2+0x512/0xf60 [ 270.602038][ C1] ip6_finish_output+0x553/0xdf0 [ 270.602204][ C1] ip6_output+0x1f3/0x770 [ 270.602428][ C1] ? __pfx___ip6_make_skb+0x10/0x10 [ 270.602599][ C1] ? __pfx_ip6_output+0x10/0x10 [ 270.602767][ C1] ? ip6_local_out+0x25/0x3b0 [ 270.602939][ C1] ip6_send_skb+0xbd/0x280 [ 270.603220][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 270.603387][ C1] ? __pfx_raw6_getfrag+0x10/0x10 [ 270.603555][ C1] ? ip6_append_data+0x185/0x540 [ 270.603734][ C1] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 270.604047][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 270.604220][ C1] ? __pfx_validate_chain+0x10/0x10 [ 270.604389][ C1] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 270.604563][ C1] ? __lock_acquire+0xaf0/0x1570 [ 270.604735][ C1] ? find_held_lock+0x2c/0x110 [ 270.604903][ C1] ? __might_fault+0x11b/0x170 [ 270.605073][ C1] ? lock_acquire+0x32/0xc0 [ 270.605245][ C1] ? __might_fault+0xc3/0x170 [ 270.605411][ C1] ? __might_fault+0x11b/0x170 [ 270.605684][ C1] ? __sys_sendto+0x332/0x410 [ 270.605851][ C1] __sys_sendto+0x332/0x410 [ 270.606018][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 270.606184][ C1] ? do_user_addr_fault+0x449/0xbe0 [ 270.606458][ C1] ? reacquire_held_locks+0x22f/0x4f0 [ 270.606628][ C1] ? __lock_release+0x103/0x460 [ 270.606794][ C1] ? do_user_addr_fault+0x4b8/0xbe0 [ 270.606960][ C1] ? __up_read+0x1a7/0x780 [ 270.607228][ C1] ? __pfx___up_read+0x10/0x10 [ 270.607400][ C1] ? do_user_addr_fault+0x4b8/0xbe0 [ 270.607570][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 270.607736][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 270.608049][ C1] do_syscall_64+0xc6/0x1e0 [ 270.608216][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.608423][ C1] RIP: 0033:0x7f5df094385a [ 270.608599][ C1] 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 [ 270.609194][ C1] RSP: 002b:00007fff0bbbcb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 270.609455][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f5df094385a [ 270.609802][ C1] RDX: 0000000000000040 RSI: 000000001fb2e340 RDI: 0000000000000005 [ 270.610063][ C1] RBP: 00007fff0bbbcbc0 R08: 0000000000418574 R09: 000000000000001c [ 270.610413][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 270.610664][ C1] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f5df0a69000 [ 270.610914][ C1] [ 283.890245][ T73] eth1: left allmulticast mode [ 283.890409][ T73] eth1: left promiscuous mode [ 283.890656][ T73] br0: port 2(eth1) entered disabled state [ 283.892083][ T73] eth0: left allmulticast mode [ 283.892207][ T73] eth0: left promiscuous mode [ 283.892424][ T73] br0: port 1(eth0) entered disabled state [ 290.555310][ T3105] eth0: renamed from r1h1 [ 290.776788][ T3107] eth0: renamed from r2h1 [ 291.115832][ T3110] eth2: renamed from r2h2 [ 291.443184][ T3113] eth1: renamed from r2r1 [ 292.916409][ T3128] br0: port 1(eth0) entered blocking state [ 292.916599][ T3128] br0: port 1(eth0) entered disabled state [ 292.916772][ T3128] eth0: entered allmulticast mode [ 292.917702][ T3128] eth0: entered promiscuous mode [ 292.919266][ T350] br0: port 1(eth0) entered blocking state [ 292.919450][ T350] br0: port 1(eth0) entered forwarding state [ 293.024785][ T3129] br0: port 2(eth1) entered blocking state [ 293.025662][ T3129] br0: port 2(eth1) entered disabled state [ 293.026256][ T3129] eth1: entered allmulticast mode [ 293.027183][ T3129] eth1: entered promiscuous mode [ 293.028236][ T29] br0: port 2(eth1) entered blocking state [ 293.028427][ T29] br0: port 2(eth1) entered forwarding state [ 310.930345][ T73] eth1: left allmulticast mode [ 310.930531][ T73] eth1: left promiscuous mode [ 310.930780][ T73] br0: port 2(eth1) entered disabled state [ 310.932177][ T73] eth0: left allmulticast mode [ 310.932331][ T73] eth0: left promiscuous mode [ 310.932559][ T73] br0: port 1(eth0) entered disabled state [ 317.746703][ T3315] eth0: renamed from r1h1 [ 317.975694][ T3317] eth0: renamed from r2h1 [ 318.303737][ T3320] eth2: renamed from r2h2 [ 318.634322][ T3323] eth1: renamed from r2r1 [ 319.171874][ T3328] br0: port 1(eth0) entered blocking state [ 319.172184][ T3328] br0: port 1(eth0) entered disabled state [ 319.172375][ T3328] eth0: entered allmulticast mode [ 319.173271][ T3328] eth0: entered promiscuous mode [ 319.175394][ T50] br0: port 1(eth0) entered blocking state [ 319.175562][ T50] br0: port 1(eth0) entered forwarding state [ 319.271408][ T3329] br0: port 2(eth1) entered blocking state [ 319.271668][ T3329] br0: port 2(eth1) entered disabled state [ 319.271841][ T3329] eth1: entered allmulticast mode [ 319.272790][ T3329] eth1: entered promiscuous mode [ 319.273819][ T62] br0: port 2(eth1) entered blocking state [ 319.273996][ T62] br0: port 2(eth1) entered forwarding state [ 337.551678][ T73] eth1: left allmulticast mode [ 337.551858][ T73] eth1: left promiscuous mode [ 337.552108][ T73] br0: port 2(eth1) entered disabled state [ 337.555038][ T73] eth0: left allmulticast mode [ 337.555177][ T73] eth0: left promiscuous mode [ 337.555401][ T73] br0: port 1(eth0) entered disabled state [ 344.145819][ T3529] eth0: renamed from r1h1 [ 344.366925][ T3531] eth0: renamed from r2h1 [ 344.690575][ T3534] eth2: renamed from r2h2 [ 345.018743][ T3537] eth1: renamed from r2r1 [ 346.495146][ T3552] br0: port 1(eth0) entered blocking state [ 346.495402][ T3552] br0: port 1(eth0) entered disabled state [ 346.495575][ T3552] eth0: entered allmulticast mode [ 346.496523][ T3552] eth0: entered promiscuous mode [ 346.498820][ T51] br0: port 1(eth0) entered blocking state [ 346.498996][ T51] br0: port 1(eth0) entered forwarding state [ 346.603352][ T3553] br0: port 2(eth1) entered blocking state [ 346.603547][ T3553] br0: port 2(eth1) entered disabled state [ 346.603719][ T3553] eth1: entered allmulticast mode [ 346.605332][ T3553] eth1: entered promiscuous mode [ 346.606515][ T350] br0: port 2(eth1) entered blocking state [ 346.606680][ T350] br0: port 2(eth1) entered forwarding state [ 365.153911][ T73] eth1: left allmulticast mode [ 365.154070][ T73] eth1: left promiscuous mode [ 365.154305][ T73] br0: port 2(eth1) entered disabled state [ 365.155245][ T73] eth0: left allmulticast mode [ 365.155368][ T73] eth0: left promiscuous mode [ 365.155583][ T73] br0: port 1(eth0) entered disabled state