[ 32.339895][ T320] 8021q: 802.1Q VLAN Support v1.8 [ 32.860669][ T325] gre: GRE over IPv4 demultiplexor driver [ 32.910126][ T325] ip6_gre: GRE over IPv6 tunneling driver [ 35.478556][ T353] ip (353) used greatest stack depth: 24352 bytes left [ 35.718816][ T356] ip (356) used greatest stack depth: 23360 bytes left [ 44.213213][ T400] GACT probability NOT on [ 44.771745][ C1] [ 44.771951][ C1] ======================================================== [ 44.772352][ C1] WARNING: possible irq lock inversion dependency detected [ 44.772763][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 44.773043][ C1] -------------------------------------------------------- [ 44.773466][ C1] mausezahn/403 just changed the state of lock: [ 44.773828][ C1] ffff888005cd6d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 44.774337][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 44.774755][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 44.774764][ C1] [ 44.774764][ C1] [ 44.774764][ C1] and interrupts could create inverse lock ordering between them. [ 44.774764][ C1] [ 44.775798][ C1] [ 44.775798][ C1] other info that might help us debug this: [ 44.776213][ C1] Possible interrupt unsafe locking scenario: [ 44.776213][ C1] [ 44.776623][ C1] CPU0 CPU1 [ 44.776904][ C1] ---- ---- [ 44.777186][ C1] lock(&p->alloc_lock); [ 44.777404][ C1] local_irq_disable(); [ 44.777761][ C1] lock(&ndev->lock); [ 44.778111][ C1] lock(&p->alloc_lock); [ 44.778473][ C1] [ 44.778672][ C1] lock(&ndev->lock); [ 44.778880][ C1] [ 44.778880][ C1] *** DEADLOCK *** [ 44.778880][ C1] [ 44.779289][ C1] 5 locks held by mausezahn/403: [ 44.779582][ C1] #0: ffffffffb97522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 44.780112][ C1] #1: ffffffffb97522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 44.780631][ C1] #2: ffffffffb9752280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 44.781125][ C1] #3: ffffffffb97522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 44.781637][ C1] #4: ffffffffb97522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 44.782162][ C1] [ 44.782162][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 44.782659][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 44.782955][ C1] HARDIRQ-ON-W at: [ 44.783174][ C1] __lock_acquire+0x797/0x1570 [ 44.783532][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.783884][ C1] _raw_spin_lock+0x30/0x40 [ 44.784239][ C1] set_mems_allowed+0x1d/0x210 [ 44.784590][ C1] kernel_init_freeable+0x72/0x310 [ 44.784942][ C1] kernel_init+0x20/0x200 [ 44.785296][ C1] ret_from_fork+0x31/0x70 [ 44.785649][ C1] ret_from_fork_asm+0x1a/0x30 [ 44.786001][ C1] SOFTIRQ-ON-W at: [ 44.786207][ C1] __lock_acquire+0x797/0x1570 [ 44.786556][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.786898][ C1] _raw_spin_lock+0x30/0x40 [ 44.787242][ C1] set_mems_allowed+0x1d/0x210 [ 44.787582][ C1] kernel_init_freeable+0x72/0x310 [ 44.787925][ C1] kernel_init+0x20/0x200 [ 44.788287][ C1] ret_from_fork+0x31/0x70 [ 44.788635][ C1] ret_from_fork_asm+0x1a/0x30 [ 44.788978][ C1] INITIAL USE at: [ 44.789182][ C1] __lock_acquire+0x797/0x1570 [ 44.789543][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.789900][ C1] _raw_spin_lock+0x30/0x40 [ 44.790250][ C1] set_mems_allowed+0x1d/0x210 [ 44.790578][ C1] kernel_init_freeable+0x72/0x310 [ 44.790921][ C1] kernel_init+0x20/0x200 [ 44.791262][ C1] ret_from_fork+0x31/0x70 [ 44.791608][ C1] ret_from_fork_asm+0x1a/0x30 [ 44.791940][ C1] } [ 44.792077][ C1] ... key at: [] __key.387+0x0/0x40 [ 44.792503][ C1] ... acquired at: [ 44.792711][ C1] __lock_acquire+0xaf0/0x1570 [ 44.792992][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.793264][ C1] _raw_spin_lock+0x30/0x40 [ 44.793534][ C1] __get_task_comm+0x27/0x70 [ 44.793815][ C1] ref_tracker_alloc+0x2ee/0x490 [ 44.794097][ C1] netdev_get_by_index+0x5e/0x80 [ 44.794370][ C1] fib6_nh_init+0x3d8/0x15b0 [ 44.794652][ C1] ip6_route_info_create+0xf18/0x17d0 [ 44.794934][ C1] addrconf_f6i_alloc+0x265/0x560 [ 44.795207][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 44.795492][ C1] addrconf_join_anycast+0x1c0/0x220 [ 44.795777][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 44.796058][ C1] addrconf_dad_completed+0x12b/0xe20 [ 44.796339][ C1] addrconf_dad_work+0x38c/0xab0 [ 44.796635][ C1] process_one_work+0xe2c/0x1730 [ 44.796924][ C1] worker_thread+0x587/0xd30 [ 44.797206][ C1] kthread+0x28a/0x350 [ 44.797424][ C1] ret_from_fork+0x31/0x70 [ 44.797705][ C1] ret_from_fork_asm+0x1a/0x30 [ 44.797994][ C1] [ 44.798094][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 44.798295][ C1] HARDIRQ-ON-W at: [ 44.798432][ C1] __lock_acquire+0x797/0x1570 [ 44.798669][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.798888][ C1] _raw_write_lock_bh+0x38/0x50 [ 44.799109][ C1] addrconf_permanent_addr+0x6e/0x670 [ 44.799331][ C1] addrconf_notify+0x749/0xd60 [ 44.799556][ C1] notifier_call_chain+0xcd/0x150 [ 44.799779][ C1] __dev_notify_flags+0xe6/0x250 [ 44.800009][ C1] dev_change_flags+0xec/0x160 [ 44.800239][ C1] do_setlink+0x7d6/0x21e0 [ 44.800462][ C1] __rtnl_newlink+0xaa7/0xd80 [ 44.800681][ C1] rtnl_newlink+0x63/0xa0 [ 44.800899][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.801121][ C1] netlink_rcv_skb+0x130/0x360 [ 44.801350][ C1] netlink_unicast+0x449/0x710 [ 44.801571][ C1] netlink_sendmsg+0x723/0xbe0 [ 44.801793][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 44.802023][ C1] ___sys_sendmsg+0xee/0x170 [ 44.802256][ C1] __sys_sendmsg+0xcd/0x170 [ 44.802484][ C1] do_syscall_64+0xc6/0x1e0 [ 44.802708][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.802980][ C1] HARDIRQ-ON-R at: [ 44.803116][ C1] __lock_acquire+0x797/0x1570 [ 44.803446][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.803802][ C1] _raw_read_lock_bh+0x44/0x80 [ 44.804071][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.804308][ C1] inet6_fill_link_af+0x5e/0xe0 [ 44.804533][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.804766][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.804990][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.805272][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 44.805497][ C1] register_netdevice+0x1177/0x1690 [ 44.805718][ C1] register_netdev+0x20/0x40 [ 44.805943][ C1] sit_init_net+0x250/0x4f0 [ 44.806175][ C1] ops_init+0x9b/0x560 [ 44.806361][ C1] register_pernet_operations+0x2db/0x710 [ 44.806628][ C1] register_pernet_device+0x2a/0x60 [ 44.806966][ C1] sit_init+0x23/0xe0 [ 44.807148][ C1] do_one_initcall+0x8d/0x1e0 [ 44.807374][ C1] do_initcalls+0x1b2/0x3e0 [ 44.807713][ C1] kernel_init_freeable+0x232/0x310 [ 44.807937][ C1] kernel_init+0x20/0x200 [ 44.808161][ C1] ret_from_fork+0x31/0x70 [ 44.808404][ C1] ret_from_fork_asm+0x1a/0x30 [ 44.808741][ C1] IN-SOFTIRQ-R at: [ 44.808877][ C1] __lock_acquire+0x797/0x1570 [ 44.809103][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.809556][ C1] _raw_read_lock_bh+0x44/0x80 [ 44.809782][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 44.810006][ C1] ndisc_send_ns+0xe7/0x100 [ 44.810236][ C1] ndisc_solicit+0x2ae/0x4d0 [ 44.810575][ C1] neigh_probe+0xaa/0xf0 [ 44.810797][ C1] __neigh_event_send+0x7af/0xfe0 [ 44.811024][ C1] neigh_resolve_output+0x470/0x7c0 [ 44.811504][ C1] ip6_finish_output2+0x4ab/0xf80 [ 44.811729][ C1] ip6_finish_output+0x4ed/0xd30 [ 44.811948][ C1] ip6_output+0x1f3/0x770 [ 44.812173][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.812575][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.812854][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.813084][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.813474][ C1] dev_hard_start_xmit+0x10e/0x360 [ 44.813698][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 44.813919][ C1] ip_finish_output2+0x616/0x18e0 [ 44.814272][ C1] ip_output+0x16b/0x4f0 [ 44.814500][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 44.814728][ C1] ip_rcv+0x62f/0x740 [ 44.814906][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.815178][ C1] process_backlog+0x103/0x670 [ 44.815411][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 44.815637][ C1] net_rx_action+0x49f/0xc00 [ 44.815982][ C1] __do_softirq+0x1f8/0x5df [ 44.816215][ C1] do_softirq+0x4d/0xa0 [ 44.816439][ C1] __local_bh_enable_ip+0xf6/0x120 [ 44.816778][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 44.817001][ C1] packet_snd+0xd08/0x1840 [ 44.817235][ C1] __sys_sendto+0x37d/0x410 [ 44.817579][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 44.817809][ C1] do_syscall_64+0xc6/0x1e0 [ 44.818032][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.818324][ C1] INITIAL USE at: [ 44.818584][ C1] __lock_acquire+0x797/0x1570 [ 44.818807][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.819031][ C1] _raw_write_lock_bh+0x38/0x50 [ 44.819381][ C1] addrconf_permanent_addr+0x6e/0x670 [ 44.819611][ C1] addrconf_notify+0x749/0xd60 [ 44.819835][ C1] notifier_call_chain+0xcd/0x150 [ 44.820059][ C1] __dev_notify_flags+0xe6/0x250 [ 44.820404][ C1] dev_change_flags+0xec/0x160 [ 44.820624][ C1] do_setlink+0x7d6/0x21e0 [ 44.820853][ C1] __rtnl_newlink+0xaa7/0xd80 [ 44.821199][ C1] rtnl_newlink+0x63/0xa0 [ 44.821417][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.821642][ C1] netlink_rcv_skb+0x130/0x360 [ 44.821868][ C1] netlink_unicast+0x449/0x710 [ 44.822091][ C1] netlink_sendmsg+0x723/0xbe0 [ 44.822327][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 44.822554][ C1] ___sys_sendmsg+0xee/0x170 [ 44.822900][ C1] __sys_sendmsg+0xcd/0x170 [ 44.823123][ C1] do_syscall_64+0xc6/0x1e0 [ 44.823356][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.823849][ C1] INITIAL READ USE at: [ 44.823989][ C1] __lock_acquire+0x797/0x1570 [ 44.824220][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.824450][ C1] _raw_read_lock_bh+0x44/0x80 [ 44.824788][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.825053][ C1] inet6_fill_link_af+0x5e/0xe0 [ 44.825281][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.825621][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.825890][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.826165][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 44.826507][ C1] register_netdevice+0x1177/0x1690 [ 44.826777][ C1] register_netdev+0x20/0x40 [ 44.827000][ C1] sit_init_net+0x250/0x4f0 [ 44.827402][ C1] ops_init+0x9b/0x560 [ 44.827633][ C1] register_pernet_operations+0x2db/0x710 [ 44.827903][ C1] register_pernet_device+0x2a/0x60 [ 44.828293][ C1] sit_init+0x23/0xe0 [ 44.828520][ C1] do_one_initcall+0x8d/0x1e0 [ 44.828746][ C1] do_initcalls+0x1b2/0x3e0 [ 44.828970][ C1] kernel_init_freeable+0x232/0x310 [ 44.829358][ C1] kernel_init+0x20/0x200 [ 44.829586][ C1] ret_from_fork+0x31/0x70 [ 44.829813][ C1] ret_from_fork_asm+0x1a/0x30 [ 44.830036][ C1] } [ 44.830127][ C1] ... key at: [] __key.37+0x0/0x40 [ 44.830405][ C1] ... acquired at: [ 44.830537][ C1] mark_lock+0x28d/0x3e0 [ 44.830831][ C1] mark_usage+0xd9/0x2a0 [ 44.831018][ C1] __lock_acquire+0x797/0x1570 [ 44.831209][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.831403][ C1] _raw_read_lock_bh+0x44/0x80 [ 44.831581][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 44.831872][ C1] ndisc_send_ns+0xe7/0x100 [ 44.832054][ C1] ndisc_solicit+0x2ae/0x4d0 [ 44.832230][ C1] neigh_probe+0xaa/0xf0 [ 44.832411][ C1] __neigh_event_send+0x7af/0xfe0 [ 44.832700][ C1] neigh_resolve_output+0x470/0x7c0 [ 44.832886][ C1] ip6_finish_output2+0x4ab/0xf80 [ 44.833065][ C1] ip6_finish_output+0x4ed/0xd30 [ 44.833242][ C1] ip6_output+0x1f3/0x770 [ 44.833530][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.833756][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.833983][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.834169][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.834512][ C1] dev_hard_start_xmit+0x10e/0x360 [ 44.834694][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 44.834871][ C1] ip_finish_output2+0x616/0x18e0 [ 44.835050][ C1] ip_output+0x16b/0x4f0 [ 44.835339][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 44.835519][ C1] ip_rcv+0x62f/0x740 [ 44.835651][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.835876][ C1] process_backlog+0x103/0x670 [ 44.836057][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 44.836236][ C1] net_rx_action+0x49f/0xc00 [ 44.836413][ C1] __do_softirq+0x1f8/0x5df [ 44.836589][ C1] do_softirq+0x4d/0xa0 [ 44.836725][ C1] __local_bh_enable_ip+0xf6/0x120 [ 44.837012][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 44.837190][ C1] packet_snd+0xd08/0x1840 [ 44.837376][ C1] __sys_sendto+0x37d/0x410 [ 44.837562][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 44.837961][ C1] do_syscall_64+0xc6/0x1e0 [ 44.838145][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.838399][ C1] [ 44.838490][ C1] [ 44.838490][ C1] stack backtrace: [ 44.838820][ C1] CPU: 1 PID: 403 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 44.839090][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.839492][ C1] Call Trace: [ 44.839739][ C1] [ 44.839831][ C1] dump_stack_lvl+0x82/0xd0 [ 44.840016][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 44.840236][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 44.840577][ C1] ? __pfx_usage_skip+0x10/0x10 [ 44.840752][ C1] ? __pfx_usage_match+0x10/0x10 [ 44.840930][ C1] ? arch_stack_walk+0xa2/0xf0 [ 44.841115][ C1] mark_lock_irq+0x4cd/0xa10 [ 44.841405][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 44.841585][ C1] ? stack_trace_save+0x94/0xd0 [ 44.841766][ C1] ? save_trace+0x8f/0x5b0 [ 44.841945][ C1] mark_lock+0x28d/0x3e0 [ 44.842081][ C1] mark_usage+0xd9/0x2a0 [ 44.842327][ C1] __lock_acquire+0x797/0x1570 [ 44.842507][ C1] lock_acquire.part.0+0xeb/0x330 [ 44.842685][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.842873][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.843163][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 44.843344][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.843521][ C1] ? lock_acquire+0x32/0xc0 [ 44.843704][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.843886][ C1] _raw_read_lock_bh+0x44/0x80 [ 44.844063][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.844241][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 44.844419][ C1] ndisc_send_ns+0xe7/0x100 [ 44.844604][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 44.844782][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 44.845007][ C1] ndisc_solicit+0x2ae/0x4d0 [ 44.845183][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 44.845360][ C1] ? neigh_probe+0x57/0xf0 [ 44.845647][ C1] neigh_probe+0xaa/0xf0 [ 44.845784][ C1] __neigh_event_send+0x7af/0xfe0 [ 44.845962][ C1] ? do_raw_write_lock+0xe1/0x3b0 [ 44.846139][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.846424][ C1] neigh_resolve_output+0x470/0x7c0 [ 44.846604][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 44.846780][ C1] ? ___neigh_create+0x7c6/0xe10 [ 44.846964][ C1] ip6_finish_output2+0x4ab/0xf80 [ 44.847141][ C1] ip6_finish_output+0x4ed/0xd30 [ 44.847430][ C1] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 44.847612][ C1] ip6_output+0x1f3/0x770 [ 44.847752][ C1] ? __pfx_ip6_output+0x10/0x10 [ 44.847932][ C1] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 44.848326][ C1] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 44.848598][ C1] ? ip6_local_out+0x25/0x3b0 [ 44.848780][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.849005][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.849229][ C1] ? __kasan_kmalloc+0x7f/0x90 [ 44.849413][ C1] ? trace_kmalloc+0x2a/0xe0 [ 44.849592][ C1] ? sk_getsockopt+0x2048/0x2c40 [ 44.849883][ C1] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 44.850110][ C1] ? pskb_expand_head+0x4ac/0x1020 [ 44.850287][ C1] ? __pfx_pskb_expand_head+0x10/0x10 [ 44.850464][ C1] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 44.850793][ C1] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.850972][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.851167][ C1] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 44.851392][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.851836][ C1] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 44.852058][ C1] ? find_held_lock+0x2c/0x110 [ 44.852232][ C1] ? __lock_release+0x103/0x460 [ 44.852410][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 44.852695][ C1] ? dev_queue_xmit_nit+0x759/0xad0 [ 44.852881][ C1] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 44.853061][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 44.853237][ C1] dev_hard_start_xmit+0x10e/0x360 [ 44.853525][ C1] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 44.853746][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 44.853920][ C1] ? do_raw_write_lock+0x122/0x3b0 [ 44.854097][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.854387][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 44.854567][ C1] ? ___neigh_create+0x7c6/0xe10 [ 44.854744][ C1] ? ___neigh_create+0x7c6/0xe10 [ 44.854923][ C1] ip_finish_output2+0x616/0x18e0 [ 44.855214][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 44.855430][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 44.855610][ C1] ? __ip_finish_output+0x10f/0x770 [ 44.855786][ C1] ip_output+0x16b/0x4f0 [ 44.855926][ C1] ? __pfx_ip_output+0x10/0x10 [ 44.856102][ C1] ? pskb_expand_head+0x485/0x1020 [ 44.856277][ C1] ? ip_route_input_noref+0x10e/0x230 [ 44.856457][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 44.856634][ C1] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 44.856811][ C1] ? ip_forward+0xdc8/0x1a10 [ 44.856986][ C1] ip_rcv+0x62f/0x740 [ 44.857158][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 44.857345][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 44.857632][ C1] ? process_backlog+0x1f8/0x670 [ 44.857811][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 44.857998][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.858224][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 44.858569][ C1] ? process_backlog+0x1f8/0x670 [ 44.858746][ C1] ? lock_acquire+0x32/0xc0 [ 44.858921][ C1] ? process_backlog+0x1f8/0x670 [ 44.859099][ C1] process_backlog+0x103/0x670 [ 44.859397][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 44.859576][ C1] net_rx_action+0x49f/0xc00 [ 44.859758][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 44.859936][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 44.860268][ C1] __do_softirq+0x1f8/0x5df [ 44.860446][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 44.860625][ C1] do_softirq+0x4d/0xa0 [ 44.860762][ C1] [ 44.860858][ C1] [ 44.860948][ C1] __local_bh_enable_ip+0xf6/0x120 [ 44.861242][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 44.861420][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 44.861597][ C1] ? packet_parse_headers+0x231/0x9d0 [ 44.861776][ C1] ? packet_parse_headers+0x231/0x9d0 [ 44.861958][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 44.862136][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 44.862322][ C1] ? dev_get_by_index+0x177/0x270 [ 44.862501][ C1] packet_snd+0xd08/0x1840 [ 44.862790][ C1] ? __pfx___lock_release+0x10/0x10 [ 44.862969][ C1] ? __pfx_packet_snd+0x10/0x10 [ 44.863144][ C1] ? __might_fault+0xc3/0x170 [ 44.863326][ C1] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 44.863703][ C1] ? __might_fault+0x11b/0x170 [ 44.863879][ C1] __sys_sendto+0x37d/0x410 [ 44.864066][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 44.864245][ C1] ? sock_ioctl+0x3bc/0x590 [ 44.864535][ C1] ? __might_fault+0xc3/0x170 [ 44.864713][ C1] ? trace_rseq_update+0xd2/0x130 [ 44.864892][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 44.865117][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 44.865459][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 44.865639][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 44.865867][ C1] do_syscall_64+0xc6/0x1e0 [ 44.866052][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.866287][ C1] RIP: 0033:0x7efe2636685a [ 44.866484][ 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 [ 44.867224][ C1] RSP: 002b:00007ffdcae480f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 44.867500][ C1] RAX: ffffffffffffffda RBX: 000000001bf829d0 RCX: 00007efe2636685a [ 44.867766][ C1] RDX: 0000000000000062 RSI: 000000001bf825c2 RDI: 0000000000000005 [ 44.868028][ C1] RBP: 000000001bf825c2 R08: 00007ffdcae48100 R09: 0000000000000014 [ 44.868298][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.868568][ C1] R13: 0000000000000062 R14: 00007ffdcae48100 R15: 0000000000000000 [ 44.868835][ C1]