[ 31.276201][ T318] 8021q: 802.1Q VLAN Support v1.8 [ 31.755336][ T323] gre: GRE over IPv4 demultiplexor driver [ 31.811891][ T323] ip6_gre: GRE over IPv6 tunneling driver [ 42.872000][ T399] GACT probability NOT on [ 43.405653][ C1] [ 43.405868][ C1] ======================================================== [ 43.406121][ C1] WARNING: possible irq lock inversion dependency detected [ 43.406374][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 43.406546][ C1] -------------------------------------------------------- [ 43.406789][ C1] mausezahn/402 just changed the state of lock: [ 43.406999][ C1] ffff8880060fed80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.407301][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.407545][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 43.407549][ C1] [ 43.407549][ C1] [ 43.407549][ C1] and interrupts could create inverse lock ordering between them. [ 43.407549][ C1] [ 43.408164][ C1] [ 43.408164][ C1] other info that might help us debug this: [ 43.408417][ C1] Possible interrupt unsafe locking scenario: [ 43.408417][ C1] [ 43.408670][ C1] CPU0 CPU1 [ 43.408834][ C1] ---- ---- [ 43.409005][ C1] lock(&p->alloc_lock); [ 43.409141][ C1] local_irq_disable(); [ 43.409367][ C1] lock(&ndev->lock); [ 43.409575][ C1] lock(&p->alloc_lock); [ 43.409789][ C1] [ 43.409921][ C1] lock(&ndev->lock); [ 43.410050][ C1] [ 43.410050][ C1] *** DEADLOCK *** [ 43.410050][ C1] [ 43.410299][ C1] 5 locks held by mausezahn/402: [ 43.410465][ C1] #0: ffffffffb31522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.410766][ C1] #1: ffffffffb31522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.411063][ C1] #2: ffffffffb3152280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.411365][ C1] #3: ffffffffb31522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.411662][ C1] #4: ffffffffb31522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.411955][ C1] [ 43.411955][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 43.412245][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.412417][ C1] HARDIRQ-ON-W at: [ 43.412550][ C1] __lock_acquire+0x797/0x1570 [ 43.412764][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.412972][ C1] _raw_spin_lock+0x30/0x40 [ 43.413185][ C1] set_mems_allowed+0x1d/0x210 [ 43.413395][ C1] kernel_init_freeable+0x72/0x310 [ 43.413607][ C1] kernel_init+0x20/0x200 [ 43.413822][ C1] ret_from_fork+0x31/0x70 [ 43.414034][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.414245][ C1] SOFTIRQ-ON-W at: [ 43.414370][ C1] __lock_acquire+0x797/0x1570 [ 43.414579][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.414787][ C1] _raw_spin_lock+0x30/0x40 [ 43.414997][ C1] set_mems_allowed+0x1d/0x210 [ 43.415211][ C1] kernel_init_freeable+0x72/0x310 [ 43.415419][ C1] kernel_init+0x20/0x200 [ 43.415634][ C1] ret_from_fork+0x31/0x70 [ 43.415843][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.416050][ C1] INITIAL USE at: [ 43.416175][ C1] __lock_acquire+0x797/0x1570 [ 43.416389][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.416620][ C1] _raw_spin_lock+0x30/0x40 [ 43.416829][ C1] set_mems_allowed+0x1d/0x210 [ 43.417040][ C1] kernel_init_freeable+0x72/0x310 [ 43.417249][ C1] kernel_init+0x20/0x200 [ 43.417459][ C1] ret_from_fork+0x31/0x70 [ 43.417676][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.417888][ C1] } [ 43.417974][ C1] ... key at: [] __key.387+0x0/0x40 [ 43.418225][ C1] ... acquired at: [ 43.418351][ C1] __lock_acquire+0xaf0/0x1570 [ 43.418522][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.418688][ C1] _raw_spin_lock+0x30/0x40 [ 43.418854][ C1] __get_task_comm+0x27/0x70 [ 43.419024][ C1] ref_tracker_alloc+0x2ee/0x490 [ 43.419199][ C1] netdev_get_by_index+0x5e/0x80 [ 43.419491][ C1] fib6_nh_init+0x3d8/0x15b0 [ 43.419665][ C1] ip6_route_info_create+0xf18/0x17d0 [ 43.419833][ C1] addrconf_f6i_alloc+0x265/0x560 [ 43.420001][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.420278][ C1] addrconf_join_anycast+0x1c0/0x220 [ 43.420450][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.420616][ C1] add_addr+0x1fb/0x2d0 [ 43.420743][ C1] add_v4_addrs+0x400/0x800 [ 43.421018][ C1] addrconf_gre_config+0x69/0x140 [ 43.421185][ C1] addrconf_notify+0xb0e/0xd60 [ 43.421350][ C1] notifier_call_chain+0xcd/0x150 [ 43.421517][ C1] __dev_notify_flags+0xe6/0x250 [ 43.421682][ C1] dev_change_flags+0xec/0x160 [ 43.421962][ C1] do_setlink+0x7d6/0x21e0 [ 43.422128][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.422296][ C1] rtnl_newlink+0x63/0xa0 [ 43.422462][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.422739][ C1] netlink_rcv_skb+0x130/0x360 [ 43.422908][ C1] netlink_unicast+0x449/0x710 [ 43.423073][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.423238][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.423522][ C1] ___sys_sendmsg+0xee/0x170 [ 43.423695][ C1] __sys_sendmsg+0xcd/0x170 [ 43.423864][ C1] do_syscall_64+0xc6/0x1e0 [ 43.424031][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.424238][ C1] [ 43.424323][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 43.424494][ C1] HARDIRQ-ON-W at: [ 43.424619][ C1] __lock_acquire+0x797/0x1570 [ 43.424828][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.425149][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.425359][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.425568][ C1] addrconf_notify+0x749/0xd60 [ 43.425889][ C1] notifier_call_chain+0xcd/0x150 [ 43.426097][ C1] __dev_notify_flags+0xe6/0x250 [ 43.426305][ C1] dev_change_flags+0xec/0x160 [ 43.426512][ C1] do_setlink+0x7d6/0x21e0 [ 43.426852][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.427061][ C1] rtnl_newlink+0x63/0xa0 [ 43.427268][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.427590][ C1] netlink_rcv_skb+0x130/0x360 [ 43.427799][ C1] netlink_unicast+0x449/0x710 [ 43.428007][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.428222][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.428434][ C1] ___sys_sendmsg+0xee/0x170 [ 43.428644][ C1] __sys_sendmsg+0xcd/0x170 [ 43.428852][ C1] do_syscall_64+0xc6/0x1e0 [ 43.429292][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.429548][ C1] HARDIRQ-ON-R at: [ 43.429675][ C1] __lock_acquire+0x797/0x1570 [ 43.430002][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.430212][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.430420][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.430630][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.430951][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.431158][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.431372][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.431733][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.431941][ C1] register_netdevice+0x1177/0x1690 [ 43.432148][ C1] register_netdev+0x20/0x40 [ 43.432477][ C1] sit_init_net+0x250/0x4f0 [ 43.432689][ C1] ops_init+0x9b/0x560 [ 43.432856][ C1] register_pernet_operations+0x2db/0x710 [ 43.433112][ C1] register_pernet_device+0x2a/0x60 [ 43.433320][ C1] sit_init+0x23/0xe0 [ 43.433489][ C1] do_one_initcall+0x8d/0x1e0 [ 43.433698][ C1] do_initcalls+0x1b2/0x3e0 [ 43.433907][ C1] kernel_init_freeable+0x232/0x310 [ 43.434115][ C1] kernel_init+0x20/0x200 [ 43.434327][ C1] ret_from_fork+0x31/0x70 [ 43.434545][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.434866][ C1] IN-SOFTIRQ-R at: [ 43.434991][ C1] __lock_acquire+0x797/0x1570 [ 43.435201][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.435409][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.435729][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.435941][ C1] ndisc_send_ns+0xe7/0x100 [ 43.436153][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.436362][ C1] neigh_probe+0xaa/0xf0 [ 43.436576][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.436784][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.436993][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.437202][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.437409][ C1] ip6_output+0x1f3/0x770 [ 43.437616][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.437996][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.438249][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.438463][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.438831][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.439039][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.439254][ C1] ip_finish_output2+0x616/0x18e0 [ 43.439582][ C1] ip_output+0x16b/0x4f0 [ 43.439792][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.440001][ C1] ip_rcv+0x62f/0x740 [ 43.440175][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.440424][ C1] process_backlog+0x103/0x670 [ 43.440632][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.440842][ C1] net_rx_action+0x49f/0xc00 [ 43.441163][ C1] __do_softirq+0x1f8/0x5df [ 43.441373][ C1] do_softirq+0x4d/0xa0 [ 43.441587][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.442018][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.442227][ C1] packet_snd+0xd08/0x1840 [ 43.442437][ C1] __sys_sendto+0x37d/0x410 [ 43.442648][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.442970][ C1] do_syscall_64+0xc6/0x1e0 [ 43.443180][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.443439][ C1] INITIAL USE at: [ 43.443676][ C1] __lock_acquire+0x797/0x1570 [ 43.443885][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.444094][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.444304][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.444637][ C1] addrconf_notify+0x749/0xd60 [ 43.444850][ C1] notifier_call_chain+0xcd/0x150 [ 43.445058][ C1] __dev_notify_flags+0xe6/0x250 [ 43.445267][ C1] dev_change_flags+0xec/0x160 [ 43.445476][ C1] do_setlink+0x7d6/0x21e0 [ 43.445684][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.445892][ C1] rtnl_newlink+0x63/0xa0 [ 43.446098][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.446312][ C1] netlink_rcv_skb+0x130/0x360 [ 43.446521][ C1] netlink_unicast+0x449/0x710 [ 43.446843][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.447050][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.447257][ C1] ___sys_sendmsg+0xee/0x170 [ 43.447588][ C1] __sys_sendmsg+0xcd/0x170 [ 43.447804][ C1] do_syscall_64+0xc6/0x1e0 [ 43.448016][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.448266][ C1] INITIAL READ USE at: [ 43.448393][ C1] __lock_acquire+0x797/0x1570 [ 43.448601][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.448810][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.449018][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.449282][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.449493][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.449848][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.450102][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.450349][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.450680][ C1] register_netdevice+0x1177/0x1690 [ 43.450929][ C1] register_netdev+0x20/0x40 [ 43.451135][ C1] sit_init_net+0x250/0x4f0 [ 43.451348][ C1] ops_init+0x9b/0x560 [ 43.451673][ C1] register_pernet_operations+0x2db/0x710 [ 43.451920][ C1] register_pernet_device+0x2a/0x60 [ 43.452176][ C1] sit_init+0x23/0xe0 [ 43.452387][ C1] do_one_initcall+0x8d/0x1e0 [ 43.452595][ C1] do_initcalls+0x1b2/0x3e0 [ 43.452802][ C1] kernel_init_freeable+0x232/0x310 [ 43.453159][ C1] kernel_init+0x20/0x200 [ 43.453367][ C1] ret_from_fork+0x31/0x70 [ 43.453582][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.453900][ C1] } [ 43.453986][ C1] ... key at: [] __key.37+0x0/0x40 [ 43.454235][ C1] ... acquired at: [ 43.454360][ C1] mark_lock+0x28d/0x3e0 [ 43.454528][ C1] mark_usage+0xd9/0x2a0 [ 43.454915][ C1] __lock_acquire+0x797/0x1570 [ 43.455081][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.455264][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.455430][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.455707][ C1] ndisc_send_ns+0xe7/0x100 [ 43.455873][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.456039][ C1] neigh_probe+0xaa/0xf0 [ 43.456205][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.456486][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.456651][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.456819][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.456989][ C1] ip6_output+0x1f3/0x770 [ 43.457155][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.457370][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.457582][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.457751][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.457962][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.458130][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.458300][ C1] ip_finish_output2+0x616/0x18e0 [ 43.458465][ C1] ip_output+0x16b/0x4f0 [ 43.458741][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.458907][ C1] ip_rcv+0x62f/0x740 [ 43.459034][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.459248][ C1] process_backlog+0x103/0x670 [ 43.459545][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.459718][ C1] net_rx_action+0x49f/0xc00 [ 43.459883][ C1] __do_softirq+0x1f8/0x5df [ 43.460049][ C1] do_softirq+0x4d/0xa0 [ 43.460174][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.460342][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.460509][ C1] packet_snd+0xd08/0x1840 [ 43.460689][ C1] __sys_sendto+0x37d/0x410 [ 43.460858][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.461024][ C1] do_syscall_64+0xc6/0x1e0 [ 43.461194][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.461401][ C1] [ 43.461484][ C1] [ 43.461484][ C1] stack backtrace: [ 43.461796][ C1] CPU: 1 PID: 402 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.462050][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.462420][ C1] Call Trace: [ 43.462662][ C1] [ 43.462756][ C1] dump_stack_lvl+0x82/0xd0 [ 43.462927][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.463133][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.463458][ C1] ? __pfx_usage_skip+0x10/0x10 [ 43.463634][ C1] ? __pfx_usage_match+0x10/0x10 [ 43.463799][ C1] ? arch_stack_walk+0xa2/0xf0 [ 43.463968][ C1] mark_lock_irq+0x4cd/0xa10 [ 43.464136][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.464306][ C1] ? stack_trace_save+0x94/0xd0 [ 43.464476][ C1] ? save_trace+0x8f/0x5b0 [ 43.464646][ C1] mark_lock+0x28d/0x3e0 [ 43.464773][ C1] mark_usage+0xd9/0x2a0 [ 43.465011][ C1] __lock_acquire+0x797/0x1570 [ 43.465181][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.465348][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.465515][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.465681][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 43.465961][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.466127][ C1] ? lock_acquire+0x32/0xc0 [ 43.466293][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.466457][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.466734][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.466899][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.467065][ C1] ndisc_send_ns+0xe7/0x100 [ 43.467236][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.467519][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.467734][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.467902][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.468068][ C1] ? neigh_probe+0x57/0xf0 [ 43.468236][ C1] neigh_probe+0xaa/0xf0 [ 43.468363][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.468533][ C1] ? do_raw_write_lock+0xe1/0x3b0 [ 43.468699][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.468865][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.469146][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 43.469331][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.469500][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.469668][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.469943][ C1] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.470111][ C1] ip6_output+0x1f3/0x770 [ 43.470237][ C1] ? __pfx_ip6_output+0x10/0x10 [ 43.470403][ C1] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.470772][ C1] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.471024][ C1] ? ip6_local_out+0x25/0x3b0 [ 43.471193][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.471527][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.471738][ C1] ? __kasan_kmalloc+0x7f/0x90 [ 43.471904][ C1] ? trace_kmalloc+0x2a/0xe0 [ 43.472072][ C1] ? sk_getsockopt+0x2048/0x2c40 [ 43.472244][ C1] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.472454][ C1] ? pskb_expand_head+0x4ac/0x1020 [ 43.472624][ C1] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.472789][ C1] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.472997][ C1] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.473166][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.473337][ C1] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.473553][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.473877][ C1] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.474086][ C1] ? find_held_lock+0x2c/0x110 [ 43.474251][ C1] ? __lock_release+0x103/0x460 [ 43.474417][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.474695][ C1] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.474860][ C1] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.475029][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.475201][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.475479][ C1] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.475688][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.475857][ C1] ? do_raw_write_lock+0x122/0x3b0 [ 43.476023][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.476193][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.476358][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.476528][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.476696][ C1] ip_finish_output2+0x616/0x18e0 [ 43.476979][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.477188][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.477362][ C1] ? __ip_finish_output+0x10f/0x770 [ 43.477528][ C1] ip_output+0x16b/0x4f0 [ 43.477654][ C1] ? __pfx_ip_output+0x10/0x10 [ 43.477930][ C1] ? pskb_expand_head+0x485/0x1020 [ 43.478104][ C1] ? ip_route_input_noref+0x10e/0x230 [ 43.478273][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.478439][ C1] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.478717][ C1] ? ip_forward+0xdc8/0x1a10 [ 43.478885][ C1] ip_rcv+0x62f/0x740 [ 43.479011][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.479179][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 43.479466][ C1] ? process_backlog+0x1f8/0x670 [ 43.479638][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.479803][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.480009][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.480326][ C1] ? process_backlog+0x1f8/0x670 [ 43.480492][ C1] ? lock_acquire+0x32/0xc0 [ 43.480661][ C1] ? process_backlog+0x1f8/0x670 [ 43.480827][ C1] process_backlog+0x103/0x670 [ 43.481104][ C1] ? find_held_lock+0x2c/0x110 [ 43.481271][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.481444][ C1] net_rx_action+0x49f/0xc00 [ 43.481613][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 43.481783][ C1] __do_softirq+0x1f8/0x5df [ 43.482060][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.482226][ C1] do_softirq+0x4d/0xa0 [ 43.482352][ C1] [ 43.482448][ C1] [ 43.482533][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.482809][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.482982][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.483150][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.483317][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.483601][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 43.483768][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.483936][ C1] ? dev_get_by_index+0x177/0x270 [ 43.484105][ C1] packet_snd+0xd08/0x1840 [ 43.484286][ C1] ? __pfx___lock_release+0x10/0x10 [ 43.484569][ C1] ? __pfx_packet_snd+0x10/0x10 [ 43.484736][ C1] ? __might_fault+0xc3/0x170 [ 43.484903][ C1] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.485153][ C1] ? __might_fault+0x11b/0x170 [ 43.485319][ C1] __sys_sendto+0x37d/0x410 [ 43.485485][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 43.485656][ C1] ? sock_ioctl+0x3bc/0x590 [ 43.485821][ C1] ? __might_fault+0xc3/0x170 [ 43.485993][ C1] ? trace_rseq_update+0xd2/0x130 [ 43.486158][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.486370][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.486689][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.486856][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.487062][ C1] do_syscall_64+0xc6/0x1e0 [ 43.487229][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.487555][ C1] RIP: 0033:0x7f2dcf36385a [ 43.487733][ 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 [ 43.488321][ C1] RSP: 002b:00007ffcb02a3e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.488575][ C1] RAX: ffffffffffffffda RBX: 00000000227129d0 RCX: 00007f2dcf36385a [ 43.488830][ C1] RDX: 0000000000000062 RSI: 00000000227125c2 RDI: 0000000000000005 [ 43.489193][ C1] RBP: 00000000227125c2 R08: 00007ffcb02a3ea0 R09: 0000000000000014 [ 43.489457][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.489705][ C1] R13: 0000000000000062 R14: 00007ffcb02a3ea0 R15: 0000000000000000 [ 43.490068][ C1]