[ 25.694419][ T265] ip (265) used greatest stack depth: 24112 bytes left [ 26.511983][ T274] 8021q: 802.1Q VLAN Support v1.8 [ 29.252246][ T300] br1: port 1(veth1) entered blocking state [ 29.252748][ T300] br1: port 1(veth1) entered disabled state [ 29.253459][ T300] veth1: entered allmulticast mode [ 29.255396][ T300] veth1: entered promiscuous mode [ 29.374287][ T51] br1: port 1(veth1) entered blocking state [ 29.374674][ T51] br1: port 1(veth1) entered forwarding state [ 38.424115][ C1] [ 38.424229][ C1] ======================================================== [ 38.424481][ C1] WARNING: possible irq lock inversion dependency detected [ 38.424728][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 38.424897][ C1] -------------------------------------------------------- [ 38.425180][ C1] ping6/337 just changed the state of lock: [ 38.425383][ C1] ffff8880062e3d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 38.425682][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 38.425926][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 38.425930][ C1] [ 38.425930][ C1] [ 38.425930][ C1] and interrupts could create inverse lock ordering between them. [ 38.425930][ C1] [ 38.426539][ C1] [ 38.426539][ C1] other info that might help us debug this: [ 38.426781][ C1] Possible interrupt unsafe locking scenario: [ 38.426781][ C1] [ 38.427026][ C1] CPU0 CPU1 [ 38.427190][ C1] ---- ---- [ 38.427358][ C1] lock(&p->alloc_lock); [ 38.427485][ C1] local_irq_disable(); [ 38.427691][ C1] lock(&ndev->lock); [ 38.427897][ C1] lock(&p->alloc_lock); [ 38.428103][ C1] [ 38.428228][ C1] lock(&ndev->lock); [ 38.428355][ C1] [ 38.428355][ C1] *** DEADLOCK *** [ 38.428355][ C1] [ 38.428600][ C1] 6 locks held by ping6/337: [ 38.428766][ C1] #0: ffff88800540c618 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 38.429066][ C1] #1: ffffffff935522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 38.429364][ C1] #2: ffffffff935522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 38.429660][ C1] #3: ffffffff935522e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal+0x84/0x330 [ 38.430000][ C1] #4: ffffffff935522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 38.430294][ C1] #5: ffffffff935522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 38.430609][ C1] [ 38.430609][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 38.430900][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 38.431076][ C1] HARDIRQ-ON-W at: [ 38.431205][ C1] __lock_acquire+0x797/0x1570 [ 38.431419][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.431630][ C1] _raw_spin_lock+0x30/0x40 [ 38.431841][ C1] set_mems_allowed+0x1d/0x210 [ 38.432052][ C1] kernel_init_freeable+0x72/0x310 [ 38.432267][ C1] kernel_init+0x20/0x200 [ 38.432478][ C1] ret_from_fork+0x31/0x70 [ 38.432689][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.432898][ C1] SOFTIRQ-ON-W at: [ 38.433025][ C1] __lock_acquire+0x797/0x1570 [ 38.433235][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.433444][ C1] _raw_spin_lock+0x30/0x40 [ 38.433658][ C1] set_mems_allowed+0x1d/0x210 [ 38.433869][ C1] kernel_init_freeable+0x72/0x310 [ 38.434078][ C1] kernel_init+0x20/0x200 [ 38.434287][ C1] ret_from_fork+0x31/0x70 [ 38.434618][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.434827][ C1] INITIAL USE at: [ 38.434956][ C1] __lock_acquire+0x797/0x1570 [ 38.435173][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.435499][ C1] _raw_spin_lock+0x30/0x40 [ 38.435711][ C1] set_mems_allowed+0x1d/0x210 [ 38.435918][ C1] kernel_init_freeable+0x72/0x310 [ 38.436128][ C1] kernel_init+0x20/0x200 [ 38.436340][ C1] ret_from_fork+0x31/0x70 [ 38.436550][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.436759][ C1] } [ 38.437067][ C1] ... key at: [] __key.387+0x0/0x40 [ 38.437318][ C1] ... acquired at: [ 38.437444][ C1] __lock_acquire+0xaf0/0x1570 [ 38.437612][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.437890][ C1] _raw_spin_lock+0x30/0x40 [ 38.438062][ C1] __get_task_comm+0x27/0x70 [ 38.438230][ C1] ref_tracker_alloc+0x2ee/0x490 [ 38.438400][ C1] netdev_get_by_index+0x5e/0x80 [ 38.438567][ C1] fib6_nh_init+0x3d8/0x15b0 [ 38.438845][ C1] ip6_route_info_create+0xf18/0x17d0 [ 38.439011][ C1] addrconf_f6i_alloc+0x265/0x560 [ 38.439180][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 38.439351][ C1] addrconf_join_anycast+0x1c0/0x220 [ 38.439629][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 38.439796][ C1] addrconf_dad_completed+0x12b/0xe20 [ 38.439963][ C1] addrconf_dad_work+0x38c/0xab0 [ 38.440129][ C1] process_one_work+0xe2c/0x1730 [ 38.440407][ C1] worker_thread+0x587/0xd30 [ 38.440574][ C1] kthread+0x28a/0x350 [ 38.440701][ C1] ret_from_fork+0x31/0x70 [ 38.440872][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.441039][ C1] [ 38.441124][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 38.441296][ C1] HARDIRQ-ON-W at: [ 38.441422][ C1] __lock_acquire+0x797/0x1570 [ 38.441632][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.441953][ C1] _raw_write_lock_bh+0x38/0x50 [ 38.442162][ C1] addrconf_permanent_addr+0x6e/0x670 [ 38.442375][ C1] addrconf_notify+0x749/0xd60 [ 38.442585][ C1] notifier_call_chain+0xcd/0x150 [ 38.442905][ C1] __dev_notify_flags+0xe6/0x250 [ 38.443114][ C1] dev_change_flags+0xec/0x160 [ 38.443322][ C1] do_setlink+0x7d6/0x21e0 [ 38.443645][ C1] __rtnl_newlink+0xaa7/0xd80 [ 38.443859][ C1] rtnl_newlink+0x63/0xa0 [ 38.444069][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 38.444389][ C1] netlink_rcv_skb+0x130/0x360 [ 38.444600][ C1] netlink_unicast+0x449/0x710 [ 38.444809][ C1] netlink_sendmsg+0x723/0xbe0 [ 38.445026][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 38.445239][ C1] ___sys_sendmsg+0xee/0x170 [ 38.445453][ C1] __sys_sendmsg+0xcd/0x170 [ 38.445662][ C1] do_syscall_64+0xc6/0x1e0 [ 38.445983][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.446236][ C1] HARDIRQ-ON-R at: [ 38.446362][ C1] __lock_acquire+0x797/0x1570 [ 38.446571][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.446895][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.447108][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 38.447317][ C1] inet6_fill_link_af+0x5e/0xe0 [ 38.447637][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 38.447845][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 38.448054][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 38.448421][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 38.448631][ C1] register_netdevice+0x1177/0x1690 [ 38.448841][ C1] register_netdev+0x20/0x40 [ 38.449057][ C1] sit_init_net+0x250/0x4f0 [ 38.449267][ C1] ops_init+0x9b/0x560 [ 38.449440][ C1] register_pernet_operations+0x2db/0x710 [ 38.449689][ C1] register_pernet_device+0x2a/0x60 [ 38.450129][ C1] sit_init+0x23/0xe0 [ 38.450298][ C1] do_one_initcall+0x8d/0x1e0 [ 38.450506][ C1] do_initcalls+0x1b2/0x3e0 [ 38.450714][ C1] kernel_init_freeable+0x232/0x310 [ 38.451033][ C1] kernel_init+0x20/0x200 [ 38.451244][ C1] ret_from_fork+0x31/0x70 [ 38.451458][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.451779][ C1] IN-SOFTIRQ-R at: [ 38.451903][ C1] __lock_acquire+0x797/0x1570 [ 38.452113][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.452322][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.452651][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.452859][ C1] ndisc_send_ns+0xe7/0x100 [ 38.453071][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.453398][ C1] neigh_probe+0xaa/0xf0 [ 38.453607][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.453815][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.454024][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.454235][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.454448][ C1] ip6_output+0x1f3/0x770 [ 38.454655][ C1] ip6_forward+0xf29/0x2980 [ 38.454975][ C1] ipv6_rcv+0x626/0x810 [ 38.455190][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.455443][ C1] netif_receive_skb_internal+0xb0/0x330 [ 38.455803][ C1] netif_receive_skb+0x1b/0x30 [ 38.456012][ C1] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 38.456351][ C1] br_handle_frame+0x612/0xe60 [bridge] [ 38.456746][ C1] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 38.456999][ C1] __netif_receive_skb_one_core+0xaf/0x1b0 [ 38.457253][ C1] process_backlog+0x103/0x670 [ 38.457575][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.457787][ C1] net_rx_action+0x49f/0xc00 [ 38.457995][ C1] __do_softirq+0x1f8/0x5df [ 38.458203][ C1] do_softirq+0x4d/0xa0 [ 38.458527][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.458734][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.458943][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.459156][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.459364][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.459573][ C1] ip6_output+0x1f3/0x770 [ 38.459893][ C1] ip6_send_skb+0xbd/0x280 [ 38.460102][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.460351][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.460582][ C1] __sys_sendto+0x332/0x410 [ 38.460906][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.461115][ C1] do_syscall_64+0xc6/0x1e0 [ 38.461325][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.461690][ C1] INITIAL USE at: [ 38.461817][ C1] __lock_acquire+0x797/0x1570 [ 38.462026][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.462238][ C1] _raw_write_lock_bh+0x38/0x50 [ 38.462565][ C1] addrconf_permanent_addr+0x6e/0x670 [ 38.462774][ C1] addrconf_notify+0x749/0xd60 [ 38.462981][ C1] notifier_call_chain+0xcd/0x150 [ 38.463304][ C1] __dev_notify_flags+0xe6/0x250 [ 38.463512][ C1] dev_change_flags+0xec/0x160 [ 38.463720][ C1] do_setlink+0x7d6/0x21e0 [ 38.464043][ C1] __rtnl_newlink+0xaa7/0xd80 [ 38.464252][ C1] rtnl_newlink+0x63/0xa0 [ 38.464461][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 38.464670][ C1] netlink_rcv_skb+0x130/0x360 [ 38.464991][ C1] netlink_unicast+0x449/0x710 [ 38.465205][ C1] netlink_sendmsg+0x723/0xbe0 [ 38.465418][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 38.465739][ C1] ___sys_sendmsg+0xee/0x170 [ 38.465949][ C1] __sys_sendmsg+0xcd/0x170 [ 38.466157][ C1] do_syscall_64+0xc6/0x1e0 [ 38.466367][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.466729][ C1] INITIAL READ USE at: [ 38.466855][ C1] __lock_acquire+0x797/0x1570 [ 38.467068][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.467277][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.467486][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 38.467739][ C1] inet6_fill_link_af+0x5e/0xe0 [ 38.468060][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 38.468268][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 38.468517][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 38.468880][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 38.469090][ C1] register_netdevice+0x1177/0x1690 [ 38.469340][ C1] register_netdev+0x20/0x40 [ 38.469547][ C1] sit_init_net+0x250/0x4f0 [ 38.469869][ C1] ops_init+0x9b/0x560 [ 38.470083][ C1] register_pernet_operations+0x2db/0x710 [ 38.470334][ C1] register_pernet_device+0x2a/0x60 [ 38.470698][ C1] sit_init+0x23/0xe0 [ 38.470908][ C1] do_one_initcall+0x8d/0x1e0 [ 38.471124][ C1] do_initcalls+0x1b2/0x3e0 [ 38.471334][ C1] kernel_init_freeable+0x232/0x310 [ 38.471588][ C1] kernel_init+0x20/0x200 [ 38.471796][ C1] ret_from_fork+0x31/0x70 [ 38.472120][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.472331][ C1] } [ 38.472418][ C1] ... key at: [] __key.37+0x0/0x40 [ 38.472667][ C1] ... acquired at: [ 38.472904][ C1] mark_lock+0x28d/0x3e0 [ 38.473075][ C1] mark_usage+0xd9/0x2a0 [ 38.473240][ C1] __lock_acquire+0x797/0x1570 [ 38.473407][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.473573][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.473851][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.474016][ C1] ndisc_send_ns+0xe7/0x100 [ 38.474182][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.474350][ C1] neigh_probe+0xaa/0xf0 [ 38.474638][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.474807][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.474972][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.475144][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.475421][ C1] ip6_output+0x1f3/0x770 [ 38.475587][ C1] ip6_forward+0xf29/0x2980 [ 38.475751][ C1] ipv6_rcv+0x626/0x810 [ 38.475877][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.476199][ C1] netif_receive_skb_internal+0xb0/0x330 [ 38.476406][ C1] netif_receive_skb+0x1b/0x30 [ 38.476572][ C1] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 38.476818][ C1] br_handle_frame+0x612/0xe60 [bridge] [ 38.477134][ C1] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 38.477342][ C1] __netif_receive_skb_one_core+0xaf/0x1b0 [ 38.477550][ C1] process_backlog+0x103/0x670 [ 38.477720][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.478001][ C1] net_rx_action+0x49f/0xc00 [ 38.478167][ C1] __do_softirq+0x1f8/0x5df [ 38.478333][ C1] do_softirq+0x4d/0xa0 [ 38.478459][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.478736][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.478902][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.479067][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.479236][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.479404][ C1] ip6_output+0x1f3/0x770 [ 38.479679][ C1] ip6_send_skb+0xbd/0x280 [ 38.479844][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.480053][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.480220][ C1] __sys_sendto+0x332/0x410 [ 38.480499][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.480667][ C1] do_syscall_64+0xc6/0x1e0 [ 38.480832][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.481043][ C1] [ 38.481128][ C1] [ 38.481128][ C1] stack backtrace: [ 38.481334][ C1] CPU: 1 PID: 337 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 38.481587][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 38.482067][ C1] Call Trace: [ 38.482195][ C1] [ 38.482281][ C1] dump_stack_lvl+0x82/0xd0 [ 38.482453][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 38.482775][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 38.482986][ C1] ? __pfx_usage_skip+0x10/0x10 [ 38.483154][ C1] ? __pfx_usage_match+0x10/0x10 [ 38.483319][ C1] ? arch_stack_walk+0xa2/0xf0 [ 38.483596][ C1] mark_lock_irq+0x4cd/0xa10 [ 38.483764][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 38.483930][ C1] ? stack_trace_save+0x94/0xd0 [ 38.484104][ C1] ? save_trace+0x8f/0x5b0 [ 38.484386][ C1] mark_lock+0x28d/0x3e0 [ 38.484514][ C1] mark_usage+0xd9/0x2a0 [ 38.484640][ C1] __lock_acquire+0x797/0x1570 [ 38.484809][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.484976][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.485152][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 38.485319][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 38.485524][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.485695][ C1] ? lock_acquire+0x32/0xc0 [ 38.485973][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.486140][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.486309][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.486475][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.486645][ C1] ndisc_send_ns+0xe7/0x100 [ 38.486923][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 38.487090][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 38.487304][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.487473][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 38.487752][ C1] ? neigh_probe+0x57/0xf0 [ 38.487919][ C1] neigh_probe+0xaa/0xf0 [ 38.488047][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.488216][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.488536][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 38.488703][ C1] ? ___neigh_create+0x7c6/0xe10 [ 38.488873][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.489056][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.489334][ C1] ip6_output+0x1f3/0x770 [ 38.489460][ C1] ? __pfx_ip6_output+0x10/0x10 [ 38.489625][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 38.489833][ C1] ip6_forward+0xf29/0x2980 [ 38.489999][ C1] ? ip6_route_input+0x5a4/0xa50 [ 38.490278][ C1] ? __pfx_ip6_forward+0x10/0x10 [ 38.490447][ C1] ? ip6_rcv_core+0x9e5/0x1ae0 [ 38.490631][ C1] ? ipv6_rcv+0x626/0x810 [ 38.490757][ C1] ipv6_rcv+0x626/0x810 [ 38.490994][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 38.491162][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 38.491330][ C1] ? netif_receive_skb_internal+0x84/0x330 [ 38.491538][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 38.491814][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.492022][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 38.492233][ C1] ? netif_receive_skb_internal+0x84/0x330 [ 38.492439][ C1] ? lock_acquire+0x32/0xc0 [ 38.492717][ C1] ? netif_receive_skb_internal+0x84/0x330 [ 38.492926][ C1] netif_receive_skb_internal+0xb0/0x330 [ 38.493094][ C1] ? __pfx_netif_receive_skb_internal+0x10/0x10 [ 38.493302][ C1] ? br_handle_vlan+0x13a/0x3c0 [bridge] [ 38.493625][ C1] netif_receive_skb+0x1b/0x30 [ 38.493792][ C1] br_handle_frame_finish+0xbef/0x1ce0 [bridge] [ 38.494040][ C1] ? __pfx_br_handle_frame_finish+0x10/0x10 [bridge] [ 38.494282][ C1] ? ip6_input_finish+0x13c/0x260 [ 38.494449][ C1] ? ip6_protocol_deliver_rcu+0xb9c/0x1320 [ 38.494664][ C1] br_handle_frame+0x612/0xe60 [bridge] [ 38.494866][ C1] ? __pfx_br_handle_frame+0x10/0x10 [bridge] [ 38.495229][ C1] __netif_receive_skb_core.constprop.0+0x759/0x2d20 [ 38.495439][ C1] ? mark_lock+0x38/0x3e0 [ 38.495571][ C1] ? __lock_acquire+0xaf0/0x1570 [ 38.495738][ C1] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 38.496059][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 38.496225][ C1] ? process_backlog+0x1f8/0x670 [ 38.496393][ C1] __netif_receive_skb_one_core+0xaf/0x1b0 [ 38.496601][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 38.496919][ C1] ? process_backlog+0x1f8/0x670 [ 38.497088][ C1] ? lock_acquire+0x32/0xc0 [ 38.497253][ C1] ? process_backlog+0x1f8/0x670 [ 38.497445][ C1] process_backlog+0x103/0x670 [ 38.497725][ C1] ? find_held_lock+0x2c/0x110 [ 38.497892][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.498061][ C1] net_rx_action+0x49f/0xc00 [ 38.498230][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 38.498510][ C1] ? usage_skip+0x180/0x190 [ 38.498677][ C1] ? mark_held_locks+0x9e/0xe0 [ 38.498849][ C1] __do_softirq+0x1f8/0x5df [ 38.499016][ C1] ? __neigh_event_send+0x2df/0xfe0 [ 38.499184][ C1] do_softirq+0x4d/0xa0 [ 38.499310][ C1] [ 38.499396][ C1] [ 38.499479][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.499644][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.499812][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.500089][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 38.500259][ C1] ? ___neigh_create+0x7c6/0xe10 [ 38.500438][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.500607][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.500884][ C1] ip6_output+0x1f3/0x770 [ 38.501010][ C1] ? __pfx_ip6_output+0x10/0x10 [ 38.501177][ C1] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 38.501358][ C1] ? ip6_local_out+0x25/0x3b0 [ 38.501526][ C1] ip6_send_skb+0xbd/0x280 [ 38.501804][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.501974][ C1] ? __pfx_raw6_getfrag+0x10/0x10 [ 38.502141][ C1] ? ip6_append_data+0x185/0x540 [ 38.502306][ C1] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 38.502629][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.502795][ C1] ? __pfx_validate_chain+0x10/0x10 [ 38.502964][ C1] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 38.503130][ C1] ? __lock_acquire+0xaf0/0x1570 [ 38.503299][ C1] ? find_held_lock+0x2c/0x110 [ 38.503471][ C1] ? __might_fault+0x11b/0x170 [ 38.503640][ C1] ? lock_acquire+0x32/0xc0 [ 38.503806][ C1] ? __might_fault+0xc3/0x170 [ 38.504083][ C1] ? __might_fault+0x11b/0x170 [ 38.504251][ C1] ? __sys_sendto+0x332/0x410 [ 38.504418][ C1] __sys_sendto+0x332/0x410 [ 38.504584][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 38.504750][ C1] ? do_user_addr_fault+0x449/0xbe0 [ 38.505035][ C1] ? reacquire_held_locks+0x22f/0x4f0 [ 38.505209][ C1] ? __lock_release+0x103/0x460 [ 38.505375][ C1] ? do_user_addr_fault+0x4b8/0xbe0 [ 38.505540][ C1] ? __up_read+0x1a7/0x780 [ 38.505818][ C1] ? __pfx___up_read+0x10/0x10 [ 38.505984][ C1] ? do_user_addr_fault+0x4b8/0xbe0 [ 38.506152][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.506318][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 38.506637][ C1] do_syscall_64+0xc6/0x1e0 [ 38.506806][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.507013][ C1] RIP: 0033:0x7fb2bb1cb85a [ 38.507186][ 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 [ 38.507895][ C1] RSP: 002b:00007ffe5bbd7728 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 38.508152][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fb2bb1cb85a [ 38.508401][ C1] RDX: 0000000000000040 RSI: 000000003910b340 RDI: 0000000000000005 [ 38.508650][ C1] RBP: 00007ffe5bbd77b0 R08: 0000000000418574 R09: 000000000000001c [ 38.509012][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 38.509260][ C1] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007fb2bb2f1000 [ 38.509516][ C1] [ 47.657395][ T375] br1: port 1(veth1) entered disabled state [ 47.769762][ T376] veth1: left allmulticast mode [ 47.769932][ T376] veth1: left promiscuous mode [ 47.770191][ T376] br1: port 1(veth1) entered disabled state