[ 26.309028][ T265] ip (265) used greatest stack depth: 23696 bytes left [ 29.607707][ T296] br1: port 1(veth1) entered blocking state [ 29.608331][ T296] br1: port 1(veth1) entered disabled state [ 29.608879][ T296] veth1: entered allmulticast mode [ 29.612182][ T296] veth1: entered promiscuous mode [ 29.774601][ T49] br1: port 1(veth1) entered blocking state [ 29.775124][ T49] br1: port 1(veth1) entered forwarding state [ 38.564586][ C1] [ 38.564717][ C1] ======================================================== [ 38.564976][ C1] WARNING: possible irq lock inversion dependency detected [ 38.565231][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 38.565404][ C1] -------------------------------------------------------- [ 38.565656][ C1] ping6/328 just changed the state of lock: [ 38.565905][ C1] ffff888005d1ed80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 38.566229][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 38.566482][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 38.566487][ C1] [ 38.566487][ C1] [ 38.566487][ C1] and interrupts could create inverse lock ordering between them. [ 38.566487][ C1] [ 38.567110][ C1] [ 38.567110][ C1] other info that might help us debug this: [ 38.567357][ C1] Possible interrupt unsafe locking scenario: [ 38.567357][ C1] [ 38.567616][ C1] CPU0 CPU1 [ 38.567792][ C1] ---- ---- [ 38.567974][ C1] lock(&p->alloc_lock); [ 38.568103][ C1] local_irq_disable(); [ 38.568314][ C1] lock(&ndev->lock); [ 38.568527][ C1] lock(&p->alloc_lock); [ 38.568742][ C1] [ 38.568871][ C1] lock(&ndev->lock); [ 38.569000][ C1] [ 38.569000][ C1] *** DEADLOCK *** [ 38.569000][ C1] [ 38.569250][ C1] 6 locks held by ping6/328: [ 38.569420][ C1] #0: ffff8880053c4618 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 38.569725][ C1] #1: ffffffff96b522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 38.570037][ C1] #2: ffffffff96b522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 38.570341][ C1] #3: ffffffff96b522e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal+0x84/0x330 [ 38.570687][ C1] #4: ffffffff96b522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 38.570988][ C1] #5: ffffffff96b522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 38.571292][ C1] [ 38.571292][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 38.571627][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 38.571811][ C1] HARDIRQ-ON-W at: [ 38.571943][ C1] __lock_acquire+0x797/0x1570 [ 38.572169][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.572386][ C1] _raw_spin_lock+0x30/0x40 [ 38.572612][ C1] set_mems_allowed+0x1d/0x210 [ 38.572834][ C1] kernel_init_freeable+0x72/0x310 [ 38.573055][ C1] kernel_init+0x20/0x200 [ 38.573270][ C1] ret_from_fork+0x31/0x70 [ 38.573492][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.573711][ C1] SOFTIRQ-ON-W at: [ 38.573845][ C1] __lock_acquire+0x797/0x1570 [ 38.574065][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.574284][ C1] _raw_spin_lock+0x30/0x40 [ 38.574502][ C1] set_mems_allowed+0x1d/0x210 [ 38.574720][ C1] kernel_init_freeable+0x72/0x310 [ 38.574939][ C1] kernel_init+0x20/0x200 [ 38.575154][ C1] ret_from_fork+0x31/0x70 [ 38.575380][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.575597][ C1] INITIAL USE at: [ 38.575729][ C1] __lock_acquire+0x797/0x1570 [ 38.575950][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.576162][ C1] _raw_spin_lock+0x30/0x40 [ 38.576377][ C1] set_mems_allowed+0x1d/0x210 [ 38.576598][ C1] kernel_init_freeable+0x72/0x310 [ 38.576818][ C1] kernel_init+0x20/0x200 [ 38.577038][ C1] ret_from_fork+0x31/0x70 [ 38.577253][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.577470][ C1] } [ 38.577558][ C1] ... key at: [] __key.387+0x0/0x40 [ 38.577816][ C1] ... acquired at: [ 38.577950][ C1] __lock_acquire+0xaf0/0x1570 [ 38.578126][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.578296][ C1] _raw_spin_lock+0x30/0x40 [ 38.578467][ C1] __get_task_comm+0x27/0x70 [ 38.578642][ C1] ref_tracker_alloc+0x2ee/0x490 [ 38.578819][ C1] netdev_get_by_index+0x5e/0x80 [ 38.578993][ C1] fib6_nh_init+0x3d8/0x15b0 [ 38.579167][ C1] ip6_route_info_create+0xf18/0x17d0 [ 38.579342][ C1] addrconf_f6i_alloc+0x265/0x560 [ 38.579511][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 38.579687][ C1] addrconf_join_anycast+0x1c0/0x220 [ 38.579856][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 38.580025][ C1] addrconf_dad_completed+0x12b/0xe20 [ 38.580193][ C1] addrconf_dad_work+0x38c/0xab0 [ 38.580364][ C1] process_one_work+0xe2c/0x1730 [ 38.580540][ C1] worker_thread+0x587/0xd30 [ 38.580710][ C1] kthread+0x28a/0x350 [ 38.580844][ C1] ret_from_fork+0x31/0x70 [ 38.581016][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.581187][ C1] [ 38.581273][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 38.581446][ C1] HARDIRQ-ON-W at: [ 38.581588][ C1] __lock_acquire+0x797/0x1570 [ 38.581811][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.582029][ C1] _raw_write_lock_bh+0x38/0x50 [ 38.582242][ C1] addrconf_permanent_addr+0x6e/0x670 [ 38.582454][ C1] addrconf_notify+0x749/0xd60 [ 38.582693][ C1] notifier_call_chain+0xcd/0x150 [ 38.582907][ C1] __dev_notify_flags+0xe6/0x250 [ 38.583121][ C1] dev_change_flags+0xec/0x160 [ 38.583340][ C1] do_setlink+0x7d6/0x21e0 [ 38.583558][ C1] __rtnl_newlink+0xaa7/0xd80 [ 38.583773][ C1] rtnl_newlink+0x63/0xa0 [ 38.583986][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 38.584206][ C1] netlink_rcv_skb+0x130/0x360 [ 38.584426][ C1] netlink_unicast+0x449/0x710 [ 38.584656][ C1] netlink_sendmsg+0x723/0xbe0 [ 38.584875][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 38.585097][ C1] ___sys_sendmsg+0xee/0x170 [ 38.585318][ C1] __sys_sendmsg+0xcd/0x170 [ 38.585536][ C1] do_syscall_64+0xc6/0x1e0 [ 38.585757][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.586021][ C1] HARDIRQ-ON-R at: [ 38.586159][ C1] __lock_acquire+0x797/0x1570 [ 38.586384][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.586601][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.586814][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 38.587038][ C1] inet6_fill_link_af+0x5e/0xe0 [ 38.587251][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 38.587471][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 38.587692][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 38.587948][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 38.588165][ C1] register_netdevice+0x1177/0x1690 [ 38.588377][ C1] register_netdev+0x20/0x40 [ 38.588729][ C1] sit_init_net+0x250/0x4f0 [ 38.588955][ C1] ops_init+0x9b/0x560 [ 38.589132][ C1] register_pernet_operations+0x2db/0x710 [ 38.589398][ C1] register_pernet_device+0x2a/0x60 [ 38.589614][ C1] sit_init+0x23/0xe0 [ 38.589788][ C1] do_one_initcall+0x8d/0x1e0 [ 38.590007][ C1] do_initcalls+0x1b2/0x3e0 [ 38.590343][ C1] kernel_init_freeable+0x232/0x310 [ 38.590559][ C1] kernel_init+0x20/0x200 [ 38.590777][ C1] ret_from_fork+0x31/0x70 [ 38.590993][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.591436][ C1] IN-SOFTIRQ-R at: [ 38.591571][ C1] __lock_acquire+0x797/0x1570 [ 38.591795][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.592123][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.592345][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.592562][ C1] ndisc_send_ns+0xe7/0x100 [ 38.592783][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.593117][ C1] neigh_probe+0xaa/0xf0 [ 38.593334][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.593548][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.593882][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.594100][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.594336][ C1] ip6_output+0x1f3/0x770 [ 38.594549][ C1] ip6_forward+0xf29/0x2980 [ 38.594890][ C1] ipv6_rcv+0x626/0x810 [ 38.595115][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.595369][ C1] netif_receive_skb_internal+0xb0/0x330 [ 38.595629][ C1] netif_receive_skb+0x1b/0x30 [ 38.595845][ C1] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 38.596186][ C1] br_handle_frame+0x612/0xe60 [bridge] [ 38.596595][ C1] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 38.596857][ C1] __netif_receive_skb_one_core+0xaf/0x1b0 [ 38.597127][ C1] process_backlog+0x103/0x670 [ 38.597461][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.597679][ C1] net_rx_action+0x49f/0xc00 [ 38.597905][ C1] __do_softirq+0x1f8/0x5df [ 38.598238][ C1] do_softirq+0x4d/0xa0 [ 38.598453][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.598675][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.599007][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.599223][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.599440][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.599656][ C1] ip6_output+0x1f3/0x770 [ 38.599986][ C1] ip6_send_skb+0xbd/0x280 [ 38.600202][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.600459][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.600798][ C1] __sys_sendto+0x332/0x410 [ 38.601017][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.601229][ C1] do_syscall_64+0xc6/0x1e0 [ 38.601443][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.601713][ C1] INITIAL USE at: [ 38.601849][ C1] __lock_acquire+0x797/0x1570 [ 38.602066][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.602394][ C1] _raw_write_lock_bh+0x38/0x50 [ 38.602614][ C1] addrconf_permanent_addr+0x6e/0x670 [ 38.602831][ C1] addrconf_notify+0x749/0xd60 [ 38.603165][ C1] notifier_call_chain+0xcd/0x150 [ 38.603381][ C1] __dev_notify_flags+0xe6/0x250 [ 38.603594][ C1] dev_change_flags+0xec/0x160 [ 38.603811][ C1] do_setlink+0x7d6/0x21e0 [ 38.604139][ C1] __rtnl_newlink+0xaa7/0xd80 [ 38.604355][ C1] rtnl_newlink+0x63/0xa0 [ 38.604591][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 38.605118][ C1] netlink_rcv_skb+0x130/0x360 [ 38.605339][ C1] netlink_unicast+0x449/0x710 [ 38.605552][ C1] netlink_sendmsg+0x723/0xbe0 [ 38.605802][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 38.606133][ C1] ___sys_sendmsg+0xee/0x170 [ 38.606344][ C1] __sys_sendmsg+0xcd/0x170 [ 38.606554][ C1] do_syscall_64+0xc6/0x1e0 [ 38.606883][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.607149][ C1] INITIAL READ USE at: [ 38.607278][ C1] __lock_acquire+0x797/0x1570 [ 38.607495][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.607831][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.608044][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 38.608301][ C1] inet6_fill_link_af+0x5e/0xe0 [ 38.608519][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 38.608732][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 38.608995][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 38.609367][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 38.609584][ C1] register_netdevice+0x1177/0x1690 [ 38.609837][ C1] register_netdev+0x20/0x40 [ 38.610169][ C1] sit_init_net+0x250/0x4f0 [ 38.610384][ C1] ops_init+0x9b/0x560 [ 38.610600][ C1] register_pernet_operations+0x2db/0x710 [ 38.610974][ C1] register_pernet_device+0x2a/0x60 [ 38.611229][ C1] sit_init+0x23/0xe0 [ 38.611445][ C1] do_one_initcall+0x8d/0x1e0 [ 38.611787][ C1] do_initcalls+0x1b2/0x3e0 [ 38.612006][ C1] kernel_init_freeable+0x232/0x310 [ 38.612260][ C1] kernel_init+0x20/0x200 [ 38.612473][ C1] ret_from_fork+0x31/0x70 [ 38.612818][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.613036][ C1] } [ 38.613128][ C1] ... key at: [] __key.37+0x0/0x40 [ 38.613386][ C1] ... acquired at: [ 38.613513][ C1] mark_lock+0x28d/0x3e0 [ 38.613686][ C1] mark_usage+0xd9/0x2a0 [ 38.613856][ C1] __lock_acquire+0x797/0x1570 [ 38.614033][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.614331][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.614542][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.614815][ C1] ndisc_send_ns+0xe7/0x100 [ 38.615088][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.615573][ C1] neigh_probe+0xaa/0xf0 [ 38.615862][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.616144][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.616423][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.616899][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.617184][ C1] ip6_output+0x1f3/0x770 [ 38.617473][ C1] ip6_forward+0xf29/0x2980 [ 38.617754][ C1] ipv6_rcv+0x626/0x810 [ 38.617964][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.618515][ C1] netif_receive_skb_internal+0xb0/0x330 [ 38.618865][ C1] netif_receive_skb+0x1b/0x30 [ 38.619146][ C1] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 38.619772][ C1] br_handle_frame+0x612/0xe60 [bridge] [ 38.620122][ C1] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 38.620476][ C1] __netif_receive_skb_one_core+0xaf/0x1b0 [ 38.620824][ C1] process_backlog+0x103/0x670 [ 38.621297][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.621587][ C1] net_rx_action+0x49f/0xc00 [ 38.621873][ C1] __do_softirq+0x1f8/0x5df [ 38.622167][ C1] do_softirq+0x4d/0xa0 [ 38.622387][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.622902][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.623207][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.623508][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.623807][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.624101][ C1] ip6_output+0x1f3/0x770 [ 38.624398][ C1] ip6_send_skb+0xbd/0x280 [ 38.624718][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.625082][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.625607][ C1] __sys_sendto+0x332/0x410 [ 38.625916][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.626197][ C1] do_syscall_64+0xc6/0x1e0 [ 38.626477][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.626861][ C1] [ 38.626953][ C1] [ 38.626953][ C1] stack backtrace: [ 38.627195][ C1] CPU: 1 PID: 328 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 38.627473][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 38.628027][ C1] Call Trace: [ 38.628169][ C1] [ 38.628265][ C1] dump_stack_lvl+0x82/0xd0 [ 38.628459][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 38.628691][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 38.628921][ C1] ? __pfx_usage_skip+0x10/0x10 [ 38.629114][ C1] ? __pfx_usage_match+0x10/0x10 [ 38.629410][ C1] ? arch_stack_walk+0xa2/0xf0 [ 38.629602][ C1] mark_lock_irq+0x4cd/0xa10 [ 38.629786][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 38.629975][ C1] ? stack_trace_save+0x94/0xd0 [ 38.630161][ C1] ? save_trace+0x8f/0x5b0 [ 38.630453][ C1] mark_lock+0x28d/0x3e0 [ 38.630592][ C1] mark_usage+0xd9/0x2a0 [ 38.630729][ C1] __lock_acquire+0x797/0x1570 [ 38.630913][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.631258][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.631448][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 38.631639][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 38.631820][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.632013][ C1] ? lock_acquire+0x32/0xc0 [ 38.632305][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.632487][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.632669][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.632849][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.633155][ C1] ndisc_send_ns+0xe7/0x100 [ 38.633344][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 38.633524][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 38.633752][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.634058][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 38.634242][ C1] ? neigh_probe+0x57/0xf0 [ 38.634427][ C1] neigh_probe+0xaa/0xf0 [ 38.634566][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.634864][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.635069][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 38.635284][ C1] ? ___neigh_create+0x7c6/0xe10 [ 38.635469][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.635654][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.635954][ C1] ip6_output+0x1f3/0x770 [ 38.636104][ C1] ? __pfx_ip6_output+0x10/0x10 [ 38.636294][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 38.636521][ C1] ip6_forward+0xf29/0x2980 [ 38.636841][ C1] ? ip6_route_input+0x5a4/0xa50 [ 38.637036][ C1] ? __pfx_ip6_forward+0x10/0x10 [ 38.637220][ C1] ? ip6_rcv_core+0x9e5/0x1ae0 [ 38.637404][ C1] ? ipv6_rcv+0x626/0x810 [ 38.637666][ C1] ipv6_rcv+0x626/0x810 [ 38.637807][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 38.637995][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 38.638178][ C1] ? netif_receive_skb_internal+0x84/0x330 [ 38.638407][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 38.638593][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.638824][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 38.639064][ C1] ? netif_receive_skb_internal+0x84/0x330 [ 38.639403][ C1] ? lock_acquire+0x32/0xc0 [ 38.639587][ C1] ? netif_receive_skb_internal+0x84/0x330 [ 38.639815][ C1] netif_receive_skb_internal+0xb0/0x330 [ 38.640008][ C1] ? __pfx_netif_receive_skb_internal+0x10/0x10 [ 38.640351][ C1] ? br_handle_vlan+0x13a/0x3c0 [bridge] [ 38.640583][ C1] netif_receive_skb+0x1b/0x30 [ 38.640768][ C1] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 38.641040][ C1] ? __pfx_br_handle_frame_finish+0x10/0x10 [bridge] [ 38.641417][ C1] ? ip6_input_finish+0x13c/0x260 [ 38.641612][ C1] ? ip6_protocol_deliver_rcu+0xb9c/0x1320 [ 38.641845][ C1] br_handle_frame+0x612/0xe60 [bridge] [ 38.642080][ C1] ? __pfx_br_handle_frame+0x10/0x10 [bridge] [ 38.642457][ C1] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 38.642688][ C1] ? mark_lock+0x38/0x3e0 [ 38.642831][ C1] ? __lock_acquire+0xaf0/0x1570 [ 38.643025][ C1] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 38.643371][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 38.643556][ C1] ? process_backlog+0x1f8/0x670 [ 38.643739][ C1] __netif_receive_skb_one_core+0xaf/0x1b0 [ 38.644091][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 38.644321][ C1] ? process_backlog+0x1f8/0x670 [ 38.644503][ C1] ? lock_acquire+0x32/0xc0 [ 38.644688][ C1] ? process_backlog+0x1f8/0x670 [ 38.644993][ C1] process_backlog+0x103/0x670 [ 38.645177][ C1] ? find_held_lock+0x2c/0x110 [ 38.645360][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.645543][ C1] net_rx_action+0x49f/0xc00 [ 38.645738][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 38.646038][ C1] ? usage_skip+0x180/0x190 [ 38.646220][ C1] ? mark_held_locks+0x9e/0xe0 [ 38.646404][ C1] __do_softirq+0x1f8/0x5df [ 38.646591][ C1] ? __neigh_event_send+0x2df/0xfe0 [ 38.646890][ C1] do_softirq+0x4d/0xa0 [ 38.647035][ C1] [ 38.647129][ C1] [ 38.647220][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.647405][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.647709][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.647893][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 38.648079][ C1] ? ___neigh_create+0x7c6/0xe10 [ 38.648261][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.648444][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.648623][ C1] ip6_output+0x1f3/0x770 [ 38.648760][ C1] ? __pfx_ip6_output+0x10/0x10 [ 38.648942][ C1] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 38.649152][ C1] ? ip6_local_out+0x25/0x3b0 [ 38.649447][ C1] ip6_send_skb+0xbd/0x280 [ 38.649627][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.649809][ C1] ? __pfx_raw6_getfrag+0x10/0x10 [ 38.649993][ C1] ? ip6_append_data+0x185/0x540 [ 38.650287][ C1] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 38.650512][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.650693][ C1] ? __pfx_validate_chain+0x10/0x10 [ 38.650879][ C1] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 38.651184][ C1] ? __lock_acquire+0xaf0/0x1570 [ 38.651366][ C1] ? hlock_class+0x4e/0x130 [ 38.651549][ C1] ? find_held_lock+0x2c/0x110 [ 38.651776][ C1] ? __might_fault+0x11b/0x170 [ 38.651966][ C1] ? lock_acquire+0x32/0xc0 [ 38.652381][ C1] ? __might_fault+0xc3/0x170 [ 38.652565][ C1] ? __might_fault+0x11b/0x170 [ 38.652747][ C1] ? __sys_sendto+0x332/0x410 [ 38.652936][ C1] __sys_sendto+0x332/0x410 [ 38.653239][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 38.653423][ C1] ? find_held_lock+0x2c/0x110 [ 38.653608][ C1] ? __might_fault+0xc3/0x170 [ 38.653790][ C1] ? lock_acquire+0x32/0xc0 [ 38.654108][ C1] ? __might_fault+0xc3/0x170 [ 38.654291][ C1] ? trace_rseq_update+0xd2/0x130 [ 38.654474][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 38.654703][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 38.655080][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.655265][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 38.655495][ C1] do_syscall_64+0xc6/0x1e0 [ 38.655680][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.656034][ C1] RIP: 0033:0x7f15e003985a [ 38.656225][ 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 [ 38.657026][ C1] RSP: 002b:00007ffc20ef6478 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 38.657304][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f15e003985a [ 38.657577][ C1] RDX: 0000000000000040 RSI: 000000002e71a340 RDI: 0000000000000005 [ 38.657970][ C1] RBP: 00007ffc20ef6500 R08: 0000000000418574 R09: 000000000000001c [ 38.658285][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 38.658680][ C1] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f15e015f000 [ 38.658957][ C1] [ 39.589805][ T330] veth1: left allmulticast mode [ 39.589984][ T330] veth1: left promiscuous mode [ 39.590250][ T330] br1: port 1(veth1) entered disabled state [ 41.756442][ T332] br1: port 1(veth1) entered blocking state [ 41.756672][ T332] br1: port 1(veth1) entered disabled state [ 41.756882][ T332] veth1: entered allmulticast mode [ 41.758413][ T332] veth1: entered promiscuous mode [ 41.759080][ T332] br1: port 1(veth1) entered blocking state [ 41.759262][ T332] br1: port 1(veth1) entered forwarding state [ 61.974329][ T367] veth1: left allmulticast mode [ 61.974513][ T367] veth1: left promiscuous mode [ 61.974775][ T367] br1: port 1(veth1) entered disabled state [ 64.247261][ T370] br1: port 1(veth1) entered blocking state [ 64.247546][ T370] br1: port 1(veth1) entered disabled state [ 64.247768][ T370] veth1: entered allmulticast mode [ 64.249285][ T370] veth1: entered promiscuous mode [ 64.255461][ T370] br1: port 1(veth1) entered blocking state [ 64.255675][ T370] br1: port 1(veth1) entered forwarding state [ 67.630243][ T389] br1: port 1(veth1) entered disabled state [ 67.734166][ T390] veth1: left allmulticast mode [ 67.734357][ T390] veth1: left promiscuous mode [ 67.734622][ T390] br1: port 1(veth1) entered disabled state