[ 24.780519][ T257] ip (257) used greatest stack depth: 23200 bytes left [ 31.008942][ T316] 8021q: 802.1Q VLAN Support v1.8 [ 31.508471][ T322] gre: GRE over IPv4 demultiplexor driver [ 31.555066][ T322] ip6_gre: GRE over IPv6 tunneling driver [ 42.602041][ T395] GACT probability NOT on [ 43.169318][ C1] [ 43.169514][ C1] ======================================================== [ 43.169769][ C1] WARNING: possible irq lock inversion dependency detected [ 43.170014][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 43.170182][ C1] -------------------------------------------------------- [ 43.170430][ C1] mausezahn/398 just changed the state of lock: [ 43.170637][ C1] ffff888005e1bd80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.170941][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.171192][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 43.171196][ C1] [ 43.171196][ C1] [ 43.171196][ C1] and interrupts could create inverse lock ordering between them. [ 43.171196][ C1] [ 43.171820][ C1] [ 43.171820][ C1] other info that might help us debug this: [ 43.172070][ C1] Possible interrupt unsafe locking scenario: [ 43.172070][ C1] [ 43.172325][ C1] CPU0 CPU1 [ 43.172501][ C1] ---- ---- [ 43.172675][ C1] lock(&p->alloc_lock); [ 43.172806][ C1] local_irq_disable(); [ 43.173013][ C1] lock(&ndev->lock); [ 43.173224][ C1] lock(&p->alloc_lock); [ 43.173441][ C1] [ 43.173567][ C1] lock(&ndev->lock); [ 43.173699][ C1] [ 43.173699][ C1] *** DEADLOCK *** [ 43.173699][ C1] [ 43.173950][ C1] 5 locks held by mausezahn/398: [ 43.174118][ C1] #0: ffffffffa65522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.174424][ C1] #1: ffffffffa65522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.174731][ C1] #2: ffffffffa6552280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.175028][ C1] #3: ffffffffa65522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.175341][ C1] #4: ffffffffa65522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.175642][ C1] [ 43.175642][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 43.175938][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.176116][ C1] HARDIRQ-ON-W at: [ 43.176246][ C1] __lock_acquire+0x797/0x1570 [ 43.176461][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.176674][ C1] _raw_spin_lock+0x30/0x40 [ 43.176889][ C1] set_mems_allowed+0x1d/0x210 [ 43.177100][ C1] kernel_init_freeable+0x72/0x310 [ 43.177317][ C1] kernel_init+0x20/0x200 [ 43.177529][ C1] ret_from_fork+0x31/0x70 [ 43.177740][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.177951][ C1] SOFTIRQ-ON-W at: [ 43.178076][ C1] __lock_acquire+0x797/0x1570 [ 43.178288][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.178504][ C1] _raw_spin_lock+0x30/0x40 [ 43.178715][ C1] set_mems_allowed+0x1d/0x210 [ 43.178924][ C1] kernel_init_freeable+0x72/0x310 [ 43.179138][ C1] kernel_init+0x20/0x200 [ 43.179353][ C1] ret_from_fork+0x31/0x70 [ 43.179565][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.179781][ C1] INITIAL USE at: [ 43.179909][ C1] __lock_acquire+0x797/0x1570 [ 43.180120][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.180331][ C1] _raw_spin_lock+0x30/0x40 [ 43.180541][ C1] set_mems_allowed+0x1d/0x210 [ 43.180757][ C1] kernel_init_freeable+0x72/0x310 [ 43.180966][ C1] kernel_init+0x20/0x200 [ 43.181183][ C1] ret_from_fork+0x31/0x70 [ 43.181396][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.181606][ C1] } [ 43.181693][ C1] ... key at: [] __key.387+0x0/0x40 [ 43.181949][ C1] ... acquired at: [ 43.182075][ C1] __lock_acquire+0xaf0/0x1570 [ 43.182245][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.182417][ C1] _raw_spin_lock+0x30/0x40 [ 43.182593][ C1] __get_task_comm+0x27/0x70 [ 43.182761][ C1] ref_tracker_alloc+0x2ee/0x490 [ 43.182930][ C1] netdev_get_by_index+0x5e/0x80 [ 43.183099][ C1] fib6_nh_init+0x3d8/0x15b0 [ 43.183276][ C1] ip6_route_info_create+0xf18/0x17d0 [ 43.183447][ C1] addrconf_f6i_alloc+0x265/0x560 [ 43.183621][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.183791][ C1] addrconf_join_anycast+0x1c0/0x220 [ 43.183961][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.184132][ C1] add_addr+0x1fb/0x2d0 [ 43.184260][ C1] add_v4_addrs+0x400/0x800 [ 43.184428][ C1] addrconf_gre_config+0x69/0x140 [ 43.184595][ C1] addrconf_notify+0xb0e/0xd60 [ 43.184765][ C1] notifier_call_chain+0xcd/0x150 [ 43.184934][ C1] __dev_notify_flags+0xe6/0x250 [ 43.185108][ C1] dev_change_flags+0xec/0x160 [ 43.185277][ C1] do_setlink+0x7d6/0x21e0 [ 43.185445][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.185617][ C1] rtnl_newlink+0x63/0xa0 [ 43.185783][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.185951][ C1] netlink_rcv_skb+0x130/0x360 [ 43.186120][ C1] netlink_unicast+0x449/0x710 [ 43.186290][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.186459][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.186629][ C1] ___sys_sendmsg+0xee/0x170 [ 43.186796][ C1] __sys_sendmsg+0xcd/0x170 [ 43.186965][ C1] do_syscall_64+0xc6/0x1e0 [ 43.187132][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.187343][ C1] [ 43.187428][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 43.187602][ C1] HARDIRQ-ON-W at: [ 43.187730][ C1] __lock_acquire+0x797/0x1570 [ 43.187944][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.188153][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.188365][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.188575][ C1] addrconf_notify+0x749/0xd60 [ 43.188783][ C1] notifier_call_chain+0xcd/0x150 [ 43.188992][ C1] __dev_notify_flags+0xe6/0x250 [ 43.189205][ C1] dev_change_flags+0xec/0x160 [ 43.189414][ C1] do_setlink+0x7d6/0x21e0 [ 43.189630][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.189860][ C1] rtnl_newlink+0x63/0xa0 [ 43.190069][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.190280][ C1] netlink_rcv_skb+0x130/0x360 [ 43.190488][ C1] netlink_unicast+0x449/0x710 [ 43.190703][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.190913][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.191122][ C1] ___sys_sendmsg+0xee/0x170 [ 43.191335][ C1] __sys_sendmsg+0xcd/0x170 [ 43.191549][ C1] do_syscall_64+0xc6/0x1e0 [ 43.191756][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.192009][ C1] HARDIRQ-ON-R at: [ 43.192143][ C1] __lock_acquire+0x797/0x1570 [ 43.192361][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.192571][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.192785][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.192995][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.193204][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.193416][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.193628][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.193878][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.194087][ C1] register_netdevice+0x1177/0x1690 [ 43.194299][ C1] register_netdev+0x20/0x40 [ 43.194507][ C1] sit_init_net+0x250/0x4f0 [ 43.194723][ C1] ops_init+0x9b/0x560 [ 43.194895][ C1] register_pernet_operations+0x2db/0x710 [ 43.195183][ C1] register_pernet_device+0x2a/0x60 [ 43.195397][ C1] sit_init+0x23/0xe0 [ 43.195567][ C1] do_one_initcall+0x8d/0x1e0 [ 43.195782][ C1] do_initcalls+0x1b2/0x3e0 [ 43.195996][ C1] kernel_init_freeable+0x232/0x310 [ 43.196245][ C1] kernel_init+0x20/0x200 [ 43.196456][ C1] ret_from_fork+0x31/0x70 [ 43.196668][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.196876][ C1] IN-SOFTIRQ-R at: [ 43.197001][ C1] __lock_acquire+0x797/0x1570 [ 43.197213][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.197431][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.197650][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.197868][ C1] ndisc_send_ns+0xe7/0x100 [ 43.198079][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.198291][ C1] neigh_probe+0xaa/0xf0 [ 43.198504][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.198717][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.198932][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.199141][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.199360][ C1] ip6_output+0x1f3/0x770 [ 43.199570][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.199831][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.200099][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.200323][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.200578][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.200791][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.201008][ C1] ip_finish_output2+0x616/0x18e0 [ 43.201219][ C1] ip_output+0x16b/0x4f0 [ 43.201435][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.201783][ C1] ip_rcv+0x62f/0x740 [ 43.201953][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.202205][ C1] process_backlog+0x103/0x670 [ 43.202528][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.202741][ C1] net_rx_action+0x49f/0xc00 [ 43.202951][ C1] __do_softirq+0x1f8/0x5df [ 43.203163][ C1] do_softirq+0x4d/0xa0 [ 43.203489][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.203700][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.203909][ C1] packet_snd+0xd08/0x1840 [ 43.204120][ C1] __sys_sendto+0x37d/0x410 [ 43.204332][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.204548][ C1] do_syscall_64+0xc6/0x1e0 [ 43.204983][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.205250][ C1] INITIAL USE at: [ 43.205379][ C1] __lock_acquire+0x797/0x1570 [ 43.205589][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.205912][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.206124][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.206337][ C1] addrconf_notify+0x749/0xd60 [ 43.206660][ C1] notifier_call_chain+0xcd/0x150 [ 43.206873][ C1] __dev_notify_flags+0xe6/0x250 [ 43.207084][ C1] dev_change_flags+0xec/0x160 [ 43.207295][ C1] do_setlink+0x7d6/0x21e0 [ 43.207619][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.207833][ C1] rtnl_newlink+0x63/0xa0 [ 43.208044][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.208366][ C1] netlink_rcv_skb+0x130/0x360 [ 43.208577][ C1] netlink_unicast+0x449/0x710 [ 43.208790][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.209000][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.209215][ C1] ___sys_sendmsg+0xee/0x170 [ 43.209428][ C1] __sys_sendmsg+0xcd/0x170 [ 43.209644][ C1] do_syscall_64+0xc6/0x1e0 [ 43.209981][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.210260][ C1] INITIAL READ USE at: [ 43.210386][ C1] __lock_acquire+0x797/0x1570 [ 43.210599][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.210922][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.211131][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.211385][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.211708][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.211917][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.212167][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.212536][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.212748][ C1] register_netdevice+0x1177/0x1690 [ 43.212998][ C1] register_netdev+0x20/0x40 [ 43.213322][ C1] sit_init_net+0x250/0x4f0 [ 43.213533][ C1] ops_init+0x9b/0x560 [ 43.213745][ C1] register_pernet_operations+0x2db/0x710 [ 43.214001][ C1] register_pernet_device+0x2a/0x60 [ 43.214251][ C1] sit_init+0x23/0xe0 [ 43.214461][ C1] do_one_initcall+0x8d/0x1e0 [ 43.214786][ C1] do_initcalls+0x1b2/0x3e0 [ 43.214997][ C1] kernel_init_freeable+0x232/0x310 [ 43.215263][ C1] kernel_init+0x20/0x200 [ 43.215481][ C1] ret_from_fork+0x31/0x70 [ 43.215811][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.216023][ C1] } [ 43.216110][ C1] ... key at: [] __key.37+0x0/0x40 [ 43.216472][ C1] ... acquired at: [ 43.216597][ C1] mark_lock+0x28d/0x3e0 [ 43.216768][ C1] mark_usage+0xd9/0x2a0 [ 43.216936][ C1] __lock_acquire+0x797/0x1570 [ 43.217108][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.217390][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.217558][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.217726][ C1] ndisc_send_ns+0xe7/0x100 [ 43.217893][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.218172][ C1] neigh_probe+0xaa/0xf0 [ 43.218342][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.218510][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.218684][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.218962][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.219131][ C1] ip6_output+0x1f3/0x770 [ 43.219300][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.219517][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.219847][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.220020][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.220234][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.220403][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.220684][ C1] ip_finish_output2+0x616/0x18e0 [ 43.220855][ C1] ip_output+0x16b/0x4f0 [ 43.221024][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.221194][ C1] ip_rcv+0x62f/0x740 [ 43.221322][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.221640][ C1] process_backlog+0x103/0x670 [ 43.221814][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.221982][ C1] net_rx_action+0x49f/0xc00 [ 43.222149][ C1] __do_softirq+0x1f8/0x5df [ 43.222433][ C1] do_softirq+0x4d/0xa0 [ 43.222563][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.222732][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.222903][ C1] packet_snd+0xd08/0x1840 [ 43.223074][ C1] __sys_sendto+0x37d/0x410 [ 43.223247][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.223416][ C1] do_syscall_64+0xc6/0x1e0 [ 43.223590][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.223910][ C1] [ 43.223994][ C1] [ 43.223994][ C1] stack backtrace: [ 43.224203][ C1] CPU: 1 PID: 398 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.224457][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.224946][ C1] Call Trace: [ 43.225072][ C1] [ 43.225170][ C1] dump_stack_lvl+0x82/0xd0 [ 43.225343][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.225664][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.225892][ C1] ? __pfx_usage_skip+0x10/0x10 [ 43.226061][ C1] ? __pfx_usage_match+0x10/0x10 [ 43.226228][ C1] ? arch_stack_walk+0xa2/0xf0 [ 43.226525][ C1] mark_lock_irq+0x4cd/0xa10 [ 43.226693][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.226861][ C1] ? stack_trace_save+0x94/0xd0 [ 43.227031][ C1] ? save_trace+0x8f/0x5b0 [ 43.227337][ C1] mark_lock+0x28d/0x3e0 [ 43.227466][ C1] mark_usage+0xd9/0x2a0 [ 43.227598][ C1] __lock_acquire+0x797/0x1570 [ 43.227776][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.227944][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.228116][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.228288][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 43.228456][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.228622][ C1] ? lock_acquire+0x32/0xc0 [ 43.228901][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.229070][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.229239][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.229407][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.229688][ C1] ndisc_send_ns+0xe7/0x100 [ 43.229863][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.230031][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.230240][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.230521][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.230691][ C1] ? neigh_probe+0x57/0xf0 [ 43.230860][ C1] neigh_probe+0xaa/0xf0 [ 43.230987][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.231154][ C1] ? do_raw_write_lock+0xe1/0x3b0 [ 43.231444][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.231617][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.231785][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 43.231952][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.232123][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.232296][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.232464][ C1] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.232634][ C1] ip6_output+0x1f3/0x770 [ 43.232878][ C1] ? __pfx_ip6_output+0x10/0x10 [ 43.233045][ C1] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.233301][ C1] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.233557][ C1] ? ip6_local_out+0x25/0x3b0 [ 43.233839][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.234055][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.234270][ C1] ? __kasan_kmalloc+0x7f/0x90 [ 43.234555][ C1] ? trace_kmalloc+0x2a/0xe0 [ 43.234725][ C1] ? sk_getsockopt+0x2048/0x2c40 [ 43.234894][ C1] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.235115][ C1] ? pskb_expand_head+0x4ac/0x1020 [ 43.235401][ C1] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.235573][ C1] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.235782][ C1] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.235954][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.236241][ C1] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.236457][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.236674][ C1] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.236886][ C1] ? find_held_lock+0x2c/0x110 [ 43.237053][ C1] ? __lock_release+0x103/0x460 [ 43.237220][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.237390][ C1] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.237565][ C1] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.237845][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.238013][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.238182][ C1] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.238391][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.238689][ C1] ? do_raw_write_lock+0x122/0x3b0 [ 43.238859][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.239028][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.239198][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.239480][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.239650][ C1] ip_finish_output2+0x616/0x18e0 [ 43.239824][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.240037][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.240316][ C1] ? __ip_finish_output+0x10f/0x770 [ 43.240485][ C1] ip_output+0x16b/0x4f0 [ 43.240616][ C1] ? __pfx_ip_output+0x10/0x10 [ 43.240783][ C1] ? pskb_expand_head+0x485/0x1020 [ 43.240950][ C1] ? ip_route_input_noref+0x10e/0x230 [ 43.241119][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.241290][ C1] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.241460][ C1] ? ip_forward+0xdc8/0x1a10 [ 43.241630][ C1] ip_rcv+0x62f/0x740 [ 43.241873][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.242042][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 43.242218][ C1] ? process_backlog+0x1f8/0x670 [ 43.242387][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.242554][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.242872][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.243080][ C1] ? process_backlog+0x1f8/0x670 [ 43.243248][ C1] ? lock_acquire+0x32/0xc0 [ 43.243526][ C1] ? process_backlog+0x1f8/0x670 [ 43.243694][ C1] process_backlog+0x103/0x670 [ 43.243868][ C1] ? __pfx___lock_release+0x10/0x10 [ 43.244037][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.244209][ C1] net_rx_action+0x49f/0xc00 [ 43.244608][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 43.244776][ C1] ? hlock_class+0x4e/0x130 [ 43.244945][ C1] __do_softirq+0x1f8/0x5df [ 43.245129][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.245410][ C1] do_softirq+0x4d/0xa0 [ 43.245542][ C1] [ 43.245632][ C1] [ 43.245718][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.245886][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.246161][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.246330][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.246497][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.246666][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 43.246838][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.247117][ C1] ? dev_get_by_index+0x177/0x270 [ 43.247285][ C1] packet_snd+0xd08/0x1840 [ 43.247454][ C1] ? __pfx___lock_release+0x10/0x10 [ 43.247620][ C1] ? __pfx_packet_snd+0x10/0x10 [ 43.247898][ C1] ? __might_fault+0xc3/0x170 [ 43.248065][ C1] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.248314][ C1] ? __might_fault+0x11b/0x170 [ 43.248486][ C1] __sys_sendto+0x37d/0x410 [ 43.248770][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 43.248941][ C1] ? sock_ioctl+0x3bc/0x590 [ 43.249109][ C1] ? __might_fault+0xc3/0x170 [ 43.249277][ C1] ? trace_rseq_update+0xd2/0x130 [ 43.249558][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.249771][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.249980][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.250148][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.250472][ C1] do_syscall_64+0xc6/0x1e0 [ 43.250645][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.250854][ C1] RIP: 0033:0x7f352058a85a [ 43.251030][ 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 [ 43.251624][ C1] RSP: 002b:00007ffe40862028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.251996][ C1] RAX: ffffffffffffffda RBX: 00000000283c49d0 RCX: 00007f352058a85a [ 43.252253][ C1] RDX: 0000000000000062 RSI: 00000000283c45c2 RDI: 0000000000000005 [ 43.252505][ C1] RBP: 00000000283c45c2 R08: 00007ffe40862030 R09: 0000000000000014 [ 43.252877][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.253135][ C1] R13: 0000000000000062 R14: 00007ffe40862030 R15: 0000000000000000 [ 43.253396][ C1]