[ 25.646387][ T261] ip (261) used greatest stack depth: 22752 bytes left [ 32.107841][ T322] 8021q: 802.1Q VLAN Support v1.8 [ 32.641991][ T327] gre: GRE over IPv4 demultiplexor driver [ 32.699445][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 43.916896][ T402] GACT probability NOT on [ 44.494490][ C0] [ 44.494623][ C0] ======================================================== [ 44.494887][ C0] WARNING: possible irq lock inversion dependency detected [ 44.495150][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 44.495325][ C0] -------------------------------------------------------- [ 44.495586][ C0] mausezahn/405 just changed the state of lock: [ 44.495797][ C0] ffff888007850d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 44.496114][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 44.496412][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 44.496417][ C0] [ 44.496417][ C0] [ 44.496417][ C0] and interrupts could create inverse lock ordering between them. [ 44.496417][ C0] [ 44.497045][ C0] [ 44.497045][ C0] other info that might help us debug this: [ 44.497297][ C0] Possible interrupt unsafe locking scenario: [ 44.497297][ C0] [ 44.497676][ C0] CPU0 CPU1 [ 44.497862][ C0] ---- ---- [ 44.498044][ C0] lock(&p->alloc_lock); [ 44.498186][ C0] local_irq_disable(); [ 44.498418][ C0] lock(&ndev->lock); [ 44.498648][ C0] lock(&p->alloc_lock); [ 44.498865][ C0] [ 44.498996][ C0] lock(&ndev->lock); [ 44.499144][ C0] [ 44.499144][ C0] *** DEADLOCK *** [ 44.499144][ C0] [ 44.499450][ C0] 5 locks held by mausezahn/405: [ 44.499622][ C0] #0: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 44.499954][ C0] #1: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 44.500253][ C0] #2: ffffffffb5b52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 44.500571][ C0] #3: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 44.500881][ C0] #4: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 44.501184][ C0] [ 44.501184][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 44.501503][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 44.501681][ C0] HARDIRQ-ON-W at: [ 44.501810][ C0] __lock_acquire+0x797/0x1570 [ 44.502046][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.502280][ C0] _raw_spin_lock+0x30/0x40 [ 44.502509][ C0] set_mems_allowed+0x1d/0x210 [ 44.502724][ C0] kernel_init_freeable+0x72/0x310 [ 44.502935][ C0] kernel_init+0x20/0x200 [ 44.503167][ C0] ret_from_fork+0x31/0x70 [ 44.503408][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.503623][ C0] SOFTIRQ-ON-W at: [ 44.503753][ C0] __lock_acquire+0x797/0x1570 [ 44.503963][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.504176][ C0] _raw_spin_lock+0x30/0x40 [ 44.504413][ C0] set_mems_allowed+0x1d/0x210 [ 44.504638][ C0] kernel_init_freeable+0x72/0x310 [ 44.504857][ C0] kernel_init+0x20/0x200 [ 44.505078][ C0] ret_from_fork+0x31/0x70 [ 44.505298][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.505581][ C0] INITIAL USE at: [ 44.505714][ C0] __lock_acquire+0x797/0x1570 [ 44.505928][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.506146][ C0] _raw_spin_lock+0x30/0x40 [ 44.506384][ C0] set_mems_allowed+0x1d/0x210 [ 44.506594][ C0] kernel_init_freeable+0x72/0x310 [ 44.506812][ C0] kernel_init+0x20/0x200 [ 44.507145][ C0] ret_from_fork+0x31/0x70 [ 44.507353][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.507577][ C0] } [ 44.507666][ C0] ... key at: [] __key.387+0x0/0x40 [ 44.508042][ C0] ... acquired at: [ 44.508170][ C0] __lock_acquire+0xaf0/0x1570 [ 44.508363][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.508556][ C0] _raw_spin_lock+0x30/0x40 [ 44.508952][ C0] __get_task_comm+0x27/0x70 [ 44.509120][ C0] ref_tracker_alloc+0x2ee/0x490 [ 44.509306][ C0] netdev_get_by_index+0x5e/0x80 [ 44.509491][ C0] fib6_nh_init+0x3d8/0x15b0 [ 44.509776][ C0] ip6_route_info_create+0xf18/0x17d0 [ 44.509951][ C0] addrconf_f6i_alloc+0x265/0x560 [ 44.510119][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 44.510291][ C0] addrconf_join_anycast+0x1c0/0x220 [ 44.510583][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 44.510764][ C0] add_addr+0x1fb/0x2d0 [ 44.510892][ C0] add_v4_addrs+0x400/0x800 [ 44.511067][ C0] addrconf_gre_config+0x69/0x140 [ 44.511242][ C0] addrconf_notify+0xb0e/0xd60 [ 44.511540][ C0] notifier_call_chain+0xcd/0x150 [ 44.511707][ C0] __dev_notify_flags+0xe6/0x250 [ 44.511876][ C0] dev_change_flags+0xec/0x160 [ 44.512044][ C0] do_setlink+0x7d6/0x21e0 [ 44.512332][ C0] __rtnl_newlink+0xaa7/0xd80 [ 44.512516][ C0] rtnl_newlink+0x63/0xa0 [ 44.512684][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.512852][ C0] netlink_rcv_skb+0x130/0x360 [ 44.513133][ C0] netlink_unicast+0x449/0x710 [ 44.513304][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.513518][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 44.513688][ C0] ___sys_sendmsg+0xee/0x170 [ 44.513865][ C0] __sys_sendmsg+0xcd/0x170 [ 44.514038][ C0] do_syscall_64+0xc6/0x1e0 [ 44.514212][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.514438][ C0] [ 44.514534][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 44.514840][ C0] HARDIRQ-ON-W at: [ 44.514983][ C0] __lock_acquire+0x797/0x1570 [ 44.515207][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.515446][ C0] _raw_write_lock_bh+0x38/0x50 [ 44.515819][ C0] addrconf_permanent_addr+0x6e/0x670 [ 44.516040][ C0] addrconf_notify+0x749/0xd60 [ 44.516281][ C0] notifier_call_chain+0xcd/0x150 [ 44.516639][ C0] __dev_notify_flags+0xe6/0x250 [ 44.516865][ C0] dev_change_flags+0xec/0x160 [ 44.517092][ C0] do_setlink+0x7d6/0x21e0 [ 44.517319][ C0] __rtnl_newlink+0xaa7/0xd80 [ 44.517671][ C0] rtnl_newlink+0x63/0xa0 [ 44.517881][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.518094][ C0] netlink_rcv_skb+0x130/0x360 [ 44.518429][ C0] netlink_unicast+0x449/0x710 [ 44.518640][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.518851][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 44.519188][ C0] ___sys_sendmsg+0xee/0x170 [ 44.519415][ C0] __sys_sendmsg+0xcd/0x170 [ 44.519624][ C0] do_syscall_64+0xc6/0x1e0 [ 44.519835][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.520090][ C0] HARDIRQ-ON-R at: [ 44.520218][ C0] __lock_acquire+0x797/0x1570 [ 44.520445][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.520664][ C0] _raw_read_lock_bh+0x44/0x80 [ 44.520873][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.521083][ C0] inet6_fill_link_af+0x5e/0xe0 [ 44.521293][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.521663][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.521873][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.522129][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 44.522592][ C0] register_netdevice+0x1177/0x1690 [ 44.522802][ C0] register_netdev+0x20/0x40 [ 44.523011][ C0] sit_init_net+0x250/0x4f0 [ 44.523348][ C0] ops_init+0x9b/0x560 [ 44.523528][ C0] register_pernet_operations+0x2db/0x710 [ 44.523810][ C0] register_pernet_device+0x2a/0x60 [ 44.524017][ C0] sit_init+0x23/0xe0 [ 44.524201][ C0] do_one_initcall+0x8d/0x1e0 [ 44.524423][ C0] do_initcalls+0x1b2/0x3e0 [ 44.524634][ C0] kernel_init_freeable+0x232/0x310 [ 44.524971][ C0] kernel_init+0x20/0x200 [ 44.525182][ C0] ret_from_fork+0x31/0x70 [ 44.525443][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.525653][ C0] IN-SOFTIRQ-R at: [ 44.525905][ C0] __lock_acquire+0x797/0x1570 [ 44.526116][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.526357][ C0] _raw_read_lock_bh+0x44/0x80 [ 44.526595][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 44.526933][ C0] ndisc_send_ns+0xe7/0x100 [ 44.527155][ C0] ndisc_solicit+0x2ae/0x4d0 [ 44.527392][ C0] neigh_probe+0xaa/0xf0 [ 44.527731][ C0] __neigh_event_send+0x7af/0xfe0 [ 44.527944][ C0] neigh_resolve_output+0x470/0x7c0 [ 44.528156][ C0] ip6_finish_output2+0x4ab/0xf80 [ 44.528490][ C0] ip6_finish_output+0x4ed/0xd30 [ 44.528706][ C0] ip6_output+0x1f3/0x770 [ 44.528919][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.529187][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.529569][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.529788][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.530045][ C0] dev_hard_start_xmit+0x10e/0x360 [ 44.530394][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 44.530615][ C0] ip_finish_output2+0x616/0x18e0 [ 44.530826][ C0] ip_output+0x16b/0x4f0 [ 44.531033][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 44.531240][ C0] ip_rcv+0x62f/0x740 [ 44.531460][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.531731][ C0] process_backlog+0x103/0x670 [ 44.531943][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 44.532166][ C0] net_rx_action+0x49f/0xc00 [ 44.532384][ C0] __do_softirq+0x1f8/0x5df [ 44.532708][ C0] do_softirq+0x4d/0xa0 [ 44.532920][ C0] __local_bh_enable_ip+0xf6/0x120 [ 44.533136][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 44.533495][ C0] packet_snd+0xd08/0x1840 [ 44.533712][ C0] __sys_sendto+0x37d/0x410 [ 44.533926][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 44.534154][ C0] do_syscall_64+0xc6/0x1e0 [ 44.534516][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.534778][ C0] INITIAL USE at: [ 44.534921][ C0] __lock_acquire+0x797/0x1570 [ 44.535255][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.535502][ C0] _raw_write_lock_bh+0x38/0x50 [ 44.535716][ C0] addrconf_permanent_addr+0x6e/0x670 [ 44.535933][ C0] addrconf_notify+0x749/0xd60 [ 44.536144][ C0] notifier_call_chain+0xcd/0x150 [ 44.536382][ C0] __dev_notify_flags+0xe6/0x250 [ 44.536595][ C0] dev_change_flags+0xec/0x160 [ 44.536919][ C0] do_setlink+0x7d6/0x21e0 [ 44.537129][ C0] __rtnl_newlink+0xaa7/0xd80 [ 44.537340][ C0] rtnl_newlink+0x63/0xa0 [ 44.537697][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.537921][ C0] netlink_rcv_skb+0x130/0x360 [ 44.538147][ C0] netlink_unicast+0x449/0x710 [ 44.538380][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.538713][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 44.538936][ C0] ___sys_sendmsg+0xee/0x170 [ 44.539147][ C0] __sys_sendmsg+0xcd/0x170 [ 44.539476][ C0] do_syscall_64+0xc6/0x1e0 [ 44.539699][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.539960][ C0] INITIAL READ USE at: [ 44.540092][ C0] __lock_acquire+0x797/0x1570 [ 44.540416][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.540626][ C0] _raw_read_lock_bh+0x44/0x80 [ 44.540834][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.541209][ C0] inet6_fill_link_af+0x5e/0xe0 [ 44.541420][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.541629][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.541900][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.542150][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 44.542384][ C0] register_netdevice+0x1177/0x1690 [ 44.542798][ C0] register_netdev+0x20/0x40 [ 44.543009][ C0] sit_init_net+0x250/0x4f0 [ 44.543233][ C0] ops_init+0x9b/0x560 [ 44.543475][ C0] register_pernet_operations+0x2db/0x710 [ 44.543835][ C0] register_pernet_device+0x2a/0x60 [ 44.544084][ C0] sit_init+0x23/0xe0 [ 44.544316][ C0] do_one_initcall+0x8d/0x1e0 [ 44.544650][ C0] do_initcalls+0x1b2/0x3e0 [ 44.544861][ C0] kernel_init_freeable+0x232/0x310 [ 44.545113][ C0] kernel_init+0x20/0x200 [ 44.545447][ C0] ret_from_fork+0x31/0x70 [ 44.545664][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.545895][ C0] } [ 44.545980][ C0] ... key at: [] __key.37+0x0/0x40 [ 44.546379][ C0] ... acquired at: [ 44.546519][ C0] mark_lock+0x28d/0x3e0 [ 44.546687][ C0] mark_usage+0xd9/0x2a0 [ 44.546854][ C0] __lock_acquire+0x797/0x1570 [ 44.547022][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.547188][ C0] _raw_read_lock_bh+0x44/0x80 [ 44.547366][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 44.547562][ C0] ndisc_send_ns+0xe7/0x100 [ 44.547730][ C0] ndisc_solicit+0x2ae/0x4d0 [ 44.547894][ C0] neigh_probe+0xaa/0xf0 [ 44.548063][ C0] __neigh_event_send+0x7af/0xfe0 [ 44.548229][ C0] neigh_resolve_output+0x470/0x7c0 [ 44.548516][ C0] ip6_finish_output2+0x4ab/0xf80 [ 44.548685][ C0] ip6_finish_output+0x4ed/0xd30 [ 44.548862][ C0] ip6_output+0x1f3/0x770 [ 44.549027][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.549475][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.549694][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.549867][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.550078][ C0] dev_hard_start_xmit+0x10e/0x360 [ 44.550360][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 44.550555][ C0] ip_finish_output2+0x616/0x18e0 [ 44.550724][ C0] ip_output+0x16b/0x4f0 [ 44.550892][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 44.551196][ C0] ip_rcv+0x62f/0x740 [ 44.551323][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.551568][ C0] process_backlog+0x103/0x670 [ 44.551734][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 44.551903][ C0] net_rx_action+0x49f/0xc00 [ 44.552087][ C0] __do_softirq+0x1f8/0x5df [ 44.552253][ C0] do_softirq+0x4d/0xa0 [ 44.552411][ C0] __local_bh_enable_ip+0xf6/0x120 [ 44.552578][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 44.552759][ C0] packet_snd+0xd08/0x1840 [ 44.552930][ C0] __sys_sendto+0x37d/0x410 [ 44.553100][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 44.553283][ C0] do_syscall_64+0xc6/0x1e0 [ 44.553579][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.553808][ C0] [ 44.553893][ C0] [ 44.553893][ C0] stack backtrace: [ 44.554109][ C0] CPU: 0 PID: 405 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 44.554519][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.554907][ C0] Call Trace: [ 44.555034][ C0] [ 44.555124][ C0] dump_stack_lvl+0x82/0xd0 [ 44.555451][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 44.555660][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 44.555881][ C0] ? __pfx_usage_skip+0x10/0x10 [ 44.556047][ C0] ? __pfx_usage_match+0x10/0x10 [ 44.556335][ C0] ? arch_stack_walk+0xa2/0xf0 [ 44.556534][ C0] mark_lock_irq+0x4cd/0xa10 [ 44.556707][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 44.556889][ C0] ? stack_trace_save+0x94/0xd0 [ 44.557075][ C0] ? save_trace+0x8f/0x5b0 [ 44.557257][ C0] mark_lock+0x28d/0x3e0 [ 44.557404][ C0] mark_usage+0xd9/0x2a0 [ 44.557531][ C0] __lock_acquire+0x797/0x1570 [ 44.557726][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.558004][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.558185][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.558353][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 44.558559][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.558844][ C0] ? lock_acquire+0x32/0xc0 [ 44.559031][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.559203][ C0] _raw_read_lock_bh+0x44/0x80 [ 44.559380][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.559709][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 44.559876][ C0] ndisc_send_ns+0xe7/0x100 [ 44.560063][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 44.560237][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 44.560607][ C0] ndisc_solicit+0x2ae/0x4d0 [ 44.560784][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 44.560954][ C0] ? neigh_probe+0x57/0xf0 [ 44.561145][ C0] neigh_probe+0xaa/0xf0 [ 44.561276][ C0] __neigh_event_send+0x7af/0xfe0 [ 44.561590][ C0] ? do_raw_write_lock+0xe1/0x3b0 [ 44.561765][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.561942][ C0] neigh_resolve_output+0x470/0x7c0 [ 44.562115][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 44.562446][ C0] ? ___neigh_create+0x7c6/0xe10 [ 44.562622][ C0] ip6_finish_output2+0x4ab/0xf80 [ 44.562805][ C0] ip6_finish_output+0x4ed/0xd30 [ 44.562974][ C0] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 44.563284][ C0] ip6_output+0x1f3/0x770 [ 44.563445][ C0] ? __pfx_ip6_output+0x10/0x10 [ 44.563620][ C0] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 44.563877][ C0] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 44.564139][ C0] ? ip6_local_out+0x25/0x3b0 [ 44.564324][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.564550][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.564775][ C0] ? __kasan_kmalloc+0x7f/0x90 [ 44.564943][ C0] ? trace_kmalloc+0x2a/0xe0 [ 44.565125][ C0] ? sk_getsockopt+0x2048/0x2c40 [ 44.565291][ C0] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 44.565655][ C0] ? pskb_expand_head+0x4ac/0x1020 [ 44.565823][ C0] ? __pfx_pskb_expand_head+0x10/0x10 [ 44.566005][ C0] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 44.566217][ C0] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.566558][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.566751][ C0] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 44.566967][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.567203][ C0] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 44.567590][ C0] ? find_held_lock+0x2c/0x110 [ 44.567758][ C0] ? __lock_release+0x103/0x460 [ 44.567924][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 44.568107][ C0] ? dev_queue_xmit_nit+0x759/0xad0 [ 44.568423][ C0] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 44.568598][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 44.568771][ C0] dev_hard_start_xmit+0x10e/0x360 [ 44.568951][ C0] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 44.569284][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 44.569467][ C0] ? do_raw_write_lock+0x122/0x3b0 [ 44.569639][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.569823][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 44.570120][ C0] ? ___neigh_create+0x7c6/0xe10 [ 44.570288][ C0] ? ___neigh_create+0x7c6/0xe10 [ 44.570493][ C0] ip_finish_output2+0x616/0x18e0 [ 44.570680][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 44.570894][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 44.571073][ C0] ? __ip_finish_output+0x10f/0x770 [ 44.571245][ C0] ip_output+0x16b/0x4f0 [ 44.571382][ C0] ? __pfx_ip_output+0x10/0x10 [ 44.571582][ C0] ? pskb_expand_head+0x485/0x1020 [ 44.571864][ C0] ? ip_route_input_noref+0x10e/0x230 [ 44.572047][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 44.572221][ C0] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 44.572407][ C0] ? ip_forward+0xdc8/0x1a10 [ 44.572697][ C0] ip_rcv+0x62f/0x740 [ 44.572824][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 44.573001][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 44.573166][ C0] ? process_backlog+0x1f8/0x670 [ 44.573334][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 44.573631][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.573845][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 44.574055][ C0] ? process_backlog+0x1f8/0x670 [ 44.574332][ C0] ? lock_acquire+0x32/0xc0 [ 44.574524][ C0] ? process_backlog+0x1f8/0x670 [ 44.574690][ C0] process_backlog+0x103/0x670 [ 44.574856][ C0] ? __pfx___lock_release+0x10/0x10 [ 44.575023][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 44.575314][ C0] net_rx_action+0x49f/0xc00 [ 44.575516][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 44.575691][ C0] ? hrtimer_interrupt+0x311/0x770 [ 44.575862][ C0] __do_softirq+0x1f8/0x5df [ 44.576036][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 44.576203][ C0] do_softirq+0x4d/0xa0 [ 44.576354][ C0] [ 44.576461][ C0] [ 44.576547][ C0] __local_bh_enable_ip+0xf6/0x120 [ 44.576832][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 44.577006][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 44.577177][ C0] ? packet_parse_headers+0x231/0x9d0 [ 44.577355][ C0] ? packet_parse_headers+0x231/0x9d0 [ 44.577541][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 44.577823][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 44.577994][ C0] ? dev_get_by_index+0x177/0x270 [ 44.578168][ C0] packet_snd+0xd08/0x1840 [ 44.578341][ C0] ? __pfx___lock_release+0x10/0x10 [ 44.578675][ C0] ? __pfx_packet_snd+0x10/0x10 [ 44.578842][ C0] ? __might_fault+0xc3/0x170 [ 44.579012][ C0] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 44.579281][ C0] ? __might_fault+0x11b/0x170 [ 44.579584][ C0] __sys_sendto+0x37d/0x410 [ 44.579752][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 44.579925][ C0] ? sock_ioctl+0x3bc/0x590 [ 44.580128][ C0] ? __might_fault+0xc3/0x170 [ 44.580440][ C0] ? trace_rseq_update+0xd2/0x130 [ 44.580611][ C0] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 44.580823][ C0] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 44.581058][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 44.581344][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 44.581583][ C0] do_syscall_64+0xc6/0x1e0 [ 44.581752][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.581981][ C0] RIP: 0033:0x7fa52d2ac85a [ 44.582159][ C0] 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 [ 44.582926][ C0] RSP: 002b:00007ffcc8c7d1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 44.583187][ C0] RAX: ffffffffffffffda RBX: 000000000fd4c9d0 RCX: 00007fa52d2ac85a [ 44.583482][ C0] RDX: 0000000000000062 RSI: 000000000fd4c5c2 RDI: 0000000000000005 [ 44.583856][ C0] RBP: 000000000fd4c5c2 R08: 00007ffcc8c7d1c0 R09: 0000000000000014 [ 44.584119][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.584380][ C0] R13: 0000000000000062 R14: 00007ffcc8c7d1c0 R15: 0000000000000000 [ 44.584767][ C0]