[ 33.089958][ T319] 8021q: 802.1Q VLAN Support v1.8 [ 33.573175][ T325] gre: GRE over IPv4 demultiplexor driver [ 33.622409][ T325] ip6_gre: GRE over IPv6 tunneling driver [ 33.795457][ T330] ip (330) used greatest stack depth: 23800 bytes left [ 45.104657][ T400] GACT probability NOT on [ 45.696553][ C0] [ 45.696697][ C0] ======================================================== [ 45.696975][ C0] WARNING: possible irq lock inversion dependency detected [ 45.697256][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 45.697462][ C0] -------------------------------------------------------- [ 45.697742][ C0] mausezahn/403 just changed the state of lock: [ 45.697968][ C0] ffff888007886d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 45.698305][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 45.698582][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 45.698586][ C0] [ 45.698586][ C0] [ 45.698586][ C0] and interrupts could create inverse lock ordering between them. [ 45.698586][ C0] [ 45.699272][ C0] [ 45.699272][ C0] other info that might help us debug this: [ 45.699544][ C0] Possible interrupt unsafe locking scenario: [ 45.699544][ C0] [ 45.699822][ C0] CPU0 CPU1 [ 45.700009][ C0] ---- ---- [ 45.700188][ C0] lock(&p->alloc_lock); [ 45.700332][ C0] local_irq_disable(); [ 45.700556][ C0] lock(&ndev->lock); [ 45.700784][ C0] lock(&p->alloc_lock); [ 45.701012][ C0] [ 45.701149][ C0] lock(&ndev->lock); [ 45.701290][ C0] [ 45.701290][ C0] *** DEADLOCK *** [ 45.701290][ C0] [ 45.701558][ C0] 5 locks held by mausezahn/403: [ 45.701743][ C0] #0: ffffffff99b522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 45.702068][ C0] #1: ffffffff99b522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 45.702393][ C0] #2: ffffffff99b52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 45.702712][ C0] #3: ffffffff99b522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 45.703041][ C0] #4: ffffffff99b522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 45.703365][ C0] [ 45.703365][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 45.703683][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 45.703870][ C0] HARDIRQ-ON-W at: [ 45.704013][ C0] __lock_acquire+0x797/0x1570 [ 45.704252][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.704481][ C0] _raw_spin_lock+0x30/0x40 [ 45.704711][ C0] set_mems_allowed+0x1d/0x210 [ 45.704944][ C0] kernel_init_freeable+0x72/0x310 [ 45.705172][ C0] kernel_init+0x20/0x200 [ 45.705411][ C0] ret_from_fork+0x31/0x70 [ 45.705642][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.705870][ C0] SOFTIRQ-ON-W at: [ 45.706007][ C0] __lock_acquire+0x797/0x1570 [ 45.706240][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.706476][ C0] _raw_spin_lock+0x30/0x40 [ 45.706702][ C0] set_mems_allowed+0x1d/0x210 [ 45.706933][ C0] kernel_init_freeable+0x72/0x310 [ 45.707170][ C0] kernel_init+0x20/0x200 [ 45.707406][ C0] ret_from_fork+0x31/0x70 [ 45.707651][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.707880][ C0] INITIAL USE at: [ 45.708020][ C0] __lock_acquire+0x797/0x1570 [ 45.708248][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.708479][ C0] _raw_spin_lock+0x30/0x40 [ 45.708711][ C0] set_mems_allowed+0x1d/0x210 [ 45.708941][ C0] kernel_init_freeable+0x72/0x310 [ 45.709166][ C0] kernel_init+0x20/0x200 [ 45.709397][ C0] ret_from_fork+0x31/0x70 [ 45.709631][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.709867][ C0] } [ 45.709962][ C0] ... key at: [] __key.387+0x0/0x40 [ 45.710242][ C0] ... acquired at: [ 45.710379][ C0] __lock_acquire+0xaf0/0x1570 [ 45.710566][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.710751][ C0] _raw_spin_lock+0x30/0x40 [ 45.710941][ C0] __get_task_comm+0x27/0x70 [ 45.711125][ C0] ref_tracker_alloc+0x2ee/0x490 [ 45.711311][ C0] netdev_get_by_index+0x5e/0x80 [ 45.711499][ C0] fib6_nh_init+0x3d8/0x15b0 [ 45.711690][ C0] ip6_route_info_create+0xf18/0x17d0 [ 45.711873][ C0] addrconf_f6i_alloc+0x265/0x560 [ 45.712056][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 45.712240][ C0] addrconf_join_anycast+0x1c0/0x220 [ 45.712421][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 45.712605][ C0] add_addr+0x1fb/0x2d0 [ 45.712751][ C0] add_v4_addrs+0x400/0x800 [ 45.712931][ C0] addrconf_gre_config+0x69/0x140 [ 45.713111][ C0] addrconf_notify+0xb0e/0xd60 [ 45.713295][ C0] notifier_call_chain+0xcd/0x150 [ 45.713478][ C0] __dev_notify_flags+0xe6/0x250 [ 45.713662][ C0] dev_change_flags+0xec/0x160 [ 45.713843][ C0] do_setlink+0x7d6/0x21e0 [ 45.714025][ C0] __rtnl_newlink+0xaa7/0xd80 [ 45.714325][ C0] rtnl_newlink+0x63/0xa0 [ 45.714505][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.714685][ C0] netlink_rcv_skb+0x130/0x360 [ 45.714869][ C0] netlink_unicast+0x449/0x710 [ 45.715161][ C0] netlink_sendmsg+0x723/0xbe0 [ 45.715341][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 45.715524][ C0] ___sys_sendmsg+0xee/0x170 [ 45.715705][ C0] __sys_sendmsg+0xcd/0x170 [ 45.715999][ C0] do_syscall_64+0xc6/0x1e0 [ 45.716185][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.716414][ C0] [ 45.716508][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 45.716694][ C0] HARDIRQ-ON-W at: [ 45.716959][ C0] __lock_acquire+0x797/0x1570 [ 45.717186][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.717413][ C0] _raw_write_lock_bh+0x38/0x50 [ 45.717650][ C0] addrconf_permanent_addr+0x6e/0x670 [ 45.717881][ C0] addrconf_notify+0x749/0xd60 [ 45.718109][ C0] notifier_call_chain+0xcd/0x150 [ 45.718337][ C0] __dev_notify_flags+0xe6/0x250 [ 45.718562][ C0] dev_change_flags+0xec/0x160 [ 45.718790][ C0] do_setlink+0x7d6/0x21e0 [ 45.719030][ C0] __rtnl_newlink+0xaa7/0xd80 [ 45.719379][ C0] rtnl_newlink+0x63/0xa0 [ 45.719605][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.719831][ C0] netlink_rcv_skb+0x130/0x360 [ 45.720058][ C0] netlink_unicast+0x449/0x710 [ 45.720397][ C0] netlink_sendmsg+0x723/0xbe0 [ 45.720624][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 45.720849][ C0] ___sys_sendmsg+0xee/0x170 [ 45.721310][ C0] __sys_sendmsg+0xcd/0x170 [ 45.721538][ C0] do_syscall_64+0xc6/0x1e0 [ 45.721764][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.722145][ C0] HARDIRQ-ON-R at: [ 45.722282][ C0] __lock_acquire+0x797/0x1570 [ 45.722507][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.722734][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.723087][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 45.723314][ C0] inet6_fill_link_af+0x5e/0xe0 [ 45.723526][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 45.723855][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 45.724071][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 45.724333][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 45.724544][ C0] register_netdevice+0x1177/0x1690 [ 45.724757][ C0] register_netdev+0x20/0x40 [ 45.724969][ C0] sit_init_net+0x250/0x4f0 [ 45.725183][ C0] ops_init+0x9b/0x560 [ 45.725467][ C0] register_pernet_operations+0x2db/0x710 [ 45.725720][ C0] register_pernet_device+0x2a/0x60 [ 45.725945][ C0] sit_init+0x23/0xe0 [ 45.726127][ C0] do_one_initcall+0x8d/0x1e0 [ 45.726460][ C0] do_initcalls+0x1b2/0x3e0 [ 45.726670][ C0] kernel_init_freeable+0x232/0x310 [ 45.726886][ C0] kernel_init+0x20/0x200 [ 45.727213][ C0] ret_from_fork+0x31/0x70 [ 45.727431][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.727656][ C0] IN-SOFTIRQ-R at: [ 45.727784][ C0] __lock_acquire+0x797/0x1570 [ 45.728112][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.728324][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.728539][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 45.728876][ C0] ndisc_send_ns+0xe7/0x100 [ 45.729098][ C0] ndisc_solicit+0x2ae/0x4d0 [ 45.729311][ C0] neigh_probe+0xaa/0xf0 [ 45.729533][ C0] __neigh_event_send+0x7af/0xfe0 [ 45.729749][ C0] neigh_resolve_output+0x470/0x7c0 [ 45.729966][ C0] ip6_finish_output2+0x4ab/0xf80 [ 45.730191][ C0] ip6_finish_output+0x4ed/0xd30 [ 45.730412][ C0] ip6_output+0x1f3/0x770 [ 45.730623][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 45.730889][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 45.731259][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.731476][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 45.731732][ C0] dev_hard_start_xmit+0x10e/0x360 [ 45.732067][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 45.732279][ C0] ip_finish_output2+0x616/0x18e0 [ 45.732491][ C0] ip_output+0x16b/0x4f0 [ 45.732701][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 45.733028][ C0] ip_rcv+0x62f/0x740 [ 45.733199][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 45.733457][ C0] process_backlog+0x103/0x670 [ 45.733668][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 45.733881][ C0] net_rx_action+0x49f/0xc00 [ 45.734093][ C0] __do_softirq+0x1f8/0x5df [ 45.734415][ C0] do_softirq+0x4d/0xa0 [ 45.734628][ C0] __local_bh_enable_ip+0xf6/0x120 [ 45.734842][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 45.735055][ C0] packet_snd+0xd08/0x1840 [ 45.735379][ C0] __sys_sendto+0x37d/0x410 [ 45.735590][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 45.735804][ C0] do_syscall_64+0xc6/0x1e0 [ 45.736128][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.736381][ C0] INITIAL USE at: [ 45.736517][ C0] __lock_acquire+0x797/0x1570 [ 45.736735][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.737061][ C0] _raw_write_lock_bh+0x38/0x50 [ 45.737274][ C0] addrconf_permanent_addr+0x6e/0x670 [ 45.737496][ C0] addrconf_notify+0x749/0xd60 [ 45.737827][ C0] notifier_call_chain+0xcd/0x150 [ 45.738045][ C0] __dev_notify_flags+0xe6/0x250 [ 45.738258][ C0] dev_change_flags+0xec/0x160 [ 45.738469][ C0] do_setlink+0x7d6/0x21e0 [ 45.738679][ C0] __rtnl_newlink+0xaa7/0xd80 [ 45.738889][ C0] rtnl_newlink+0x63/0xa0 [ 45.739101][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.739310][ C0] netlink_rcv_skb+0x130/0x360 [ 45.739533][ C0] netlink_unicast+0x449/0x710 [ 45.739743][ C0] netlink_sendmsg+0x723/0xbe0 [ 45.740066][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 45.740278][ C0] ___sys_sendmsg+0xee/0x170 [ 45.740502][ C0] __sys_sendmsg+0xcd/0x170 [ 45.740712][ C0] do_syscall_64+0xc6/0x1e0 [ 45.741041][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.741302][ C0] INITIAL READ USE at: [ 45.741430][ C0] __lock_acquire+0x797/0x1570 [ 45.741642][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.741853][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.742062][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 45.742317][ C0] inet6_fill_link_af+0x5e/0xe0 [ 45.742646][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 45.742862][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 45.743114][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 45.743478][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 45.743689][ C0] register_netdevice+0x1177/0x1690 [ 45.743941][ C0] register_netdev+0x20/0x40 [ 45.744271][ C0] sit_init_net+0x250/0x4f0 [ 45.744485][ C0] ops_init+0x9b/0x560 [ 45.744697][ C0] register_pernet_operations+0x2db/0x710 [ 45.745067][ C0] register_pernet_device+0x2a/0x60 [ 45.745319][ C0] sit_init+0x23/0xe0 [ 45.745534][ C0] do_one_initcall+0x8d/0x1e0 [ 45.745884][ C0] do_initcalls+0x1b2/0x3e0 [ 45.746099][ C0] kernel_init_freeable+0x232/0x310 [ 45.746354][ C0] kernel_init+0x20/0x200 [ 45.746568][ C0] ret_from_fork+0x31/0x70 [ 45.746779][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.746991][ C0] } [ 45.747082][ C0] ... key at: [] __key.37+0x0/0x40 [ 45.747462][ C0] ... acquired at: [ 45.747591][ C0] mark_lock+0x28d/0x3e0 [ 45.747763][ C0] mark_usage+0xd9/0x2a0 [ 45.747934][ C0] __lock_acquire+0x797/0x1570 [ 45.748102][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.748384][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.748556][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 45.748731][ C0] ndisc_send_ns+0xe7/0x100 [ 45.748902][ C0] ndisc_solicit+0x2ae/0x4d0 [ 45.749181][ C0] neigh_probe+0xaa/0xf0 [ 45.749353][ C0] __neigh_event_send+0x7af/0xfe0 [ 45.749527][ C0] neigh_resolve_output+0x470/0x7c0 [ 45.749697][ C0] ip6_finish_output2+0x4ab/0xf80 [ 45.749981][ C0] ip6_finish_output+0x4ed/0xd30 [ 45.750153][ C0] ip6_output+0x1f3/0x770 [ 45.750329][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 45.750551][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 45.750889][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.751066][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 45.751282][ C0] dev_hard_start_xmit+0x10e/0x360 [ 45.751455][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 45.751628][ C0] ip_finish_output2+0x616/0x18e0 [ 45.751803][ C0] ip_output+0x16b/0x4f0 [ 45.751973][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 45.752144][ C0] ip_rcv+0x62f/0x740 [ 45.752383][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 45.752594][ C0] process_backlog+0x103/0x670 [ 45.752768][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 45.752939][ C0] net_rx_action+0x49f/0xc00 [ 45.753219][ C0] __do_softirq+0x1f8/0x5df [ 45.753394][ C0] do_softirq+0x4d/0xa0 [ 45.753525][ C0] __local_bh_enable_ip+0xf6/0x120 [ 45.753694][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 45.753863][ C0] packet_snd+0xd08/0x1840 [ 45.754145][ C0] __sys_sendto+0x37d/0x410 [ 45.754313][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 45.754483][ C0] do_syscall_64+0xc6/0x1e0 [ 45.754652][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.754973][ C0] [ 45.755064][ C0] [ 45.755064][ C0] stack backtrace: [ 45.755273][ C0] CPU: 0 PID: 403 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 45.755533][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 45.756025][ C0] Call Trace: [ 45.756159][ C0] [ 45.756247][ C0] dump_stack_lvl+0x82/0xd0 [ 45.756424][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 45.756646][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 45.756859][ C0] ? __pfx_usage_skip+0x10/0x10 [ 45.757029][ C0] ? __pfx_usage_match+0x10/0x10 [ 45.757310][ C0] ? arch_stack_walk+0xa2/0xf0 [ 45.757492][ C0] mark_lock_irq+0x4cd/0xa10 [ 45.757724][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 45.757900][ C0] ? stack_trace_save+0x94/0xd0 [ 45.758082][ C0] ? save_trace+0x8f/0x5b0 [ 45.758380][ C0] mark_lock+0x28d/0x3e0 [ 45.758517][ C0] mark_usage+0xd9/0x2a0 [ 45.758649][ C0] __lock_acquire+0x797/0x1570 [ 45.758829][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.759115][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.759293][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 45.759468][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 45.759645][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.759820][ C0] ? lock_acquire+0x32/0xc0 [ 45.760117][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.760294][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.760473][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.760649][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 45.760947][ C0] ndisc_send_ns+0xe7/0x100 [ 45.761133][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 45.761312][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 45.761536][ C0] ndisc_solicit+0x2ae/0x4d0 [ 45.761723][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 45.761903][ C0] ? neigh_probe+0x57/0xf0 [ 45.762083][ C0] neigh_probe+0xaa/0xf0 [ 45.762218][ C0] __neigh_event_send+0x7af/0xfe0 [ 45.762401][ C0] ? do_raw_write_lock+0xe1/0x3b0 [ 45.762579][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 45.762760][ C0] neigh_resolve_output+0x470/0x7c0 [ 45.762940][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 45.763123][ C0] ? ___neigh_create+0x7c6/0xe10 [ 45.763413][ C0] ip6_finish_output2+0x4ab/0xf80 [ 45.763596][ C0] ip6_finish_output+0x4ed/0xd30 [ 45.763773][ C0] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 45.763952][ C0] ip6_output+0x1f3/0x770 [ 45.764200][ C0] ? __pfx_ip6_output+0x10/0x10 [ 45.764380][ C0] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 45.764650][ C0] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 45.765045][ C0] ? ip6_local_out+0x25/0x3b0 [ 45.765226][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 45.765453][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 45.765682][ C0] ? __kasan_kmalloc+0x7f/0x90 [ 45.765974][ C0] ? trace_kmalloc+0x2a/0xe0 [ 45.766154][ C0] ? sk_getsockopt+0x2048/0x2c40 [ 45.766334][ C0] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 45.766558][ C0] ? pskb_expand_head+0x4ac/0x1020 [ 45.766859][ C0] ? __pfx_pskb_expand_head+0x10/0x10 [ 45.767039][ C0] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 45.767261][ C0] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.767441][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.767645][ C0] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 45.767873][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 45.768103][ C0] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 45.768337][ C0] ? find_held_lock+0x2c/0x110 [ 45.768630][ C0] ? __lock_release+0x103/0x460 [ 45.768807][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 45.768987][ C0] ? dev_queue_xmit_nit+0x759/0xad0 [ 45.769165][ C0] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 45.769454][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 45.769631][ C0] dev_hard_start_xmit+0x10e/0x360 [ 45.769815][ C0] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 45.770038][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 45.770331][ C0] ? do_raw_write_lock+0x122/0x3b0 [ 45.770509][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 45.770686][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 45.770863][ C0] ? ___neigh_create+0x7c6/0xe10 [ 45.771150][ C0] ? ___neigh_create+0x7c6/0xe10 [ 45.771326][ C0] ip_finish_output2+0x616/0x18e0 [ 45.771522][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 45.771741][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 45.772030][ C0] ? __ip_finish_output+0x10f/0x770 [ 45.772205][ C0] ip_output+0x16b/0x4f0 [ 45.772339][ C0] ? __pfx_ip_output+0x10/0x10 [ 45.772513][ C0] ? pskb_expand_head+0x485/0x1020 [ 45.772690][ C0] ? ip_route_input_noref+0x10e/0x230 [ 45.772987][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 45.773172][ C0] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 45.773351][ C0] ? ip_forward+0xdc8/0x1a10 [ 45.773530][ C0] ip_rcv+0x62f/0x740 [ 45.773666][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 45.773844][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 45.774020][ C0] ? process_backlog+0x1f8/0x670 [ 45.774196][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 45.774482][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 45.774713][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 45.774934][ C0] ? process_backlog+0x1f8/0x670 [ 45.775110][ C0] ? lock_acquire+0x32/0xc0 [ 45.775402][ C0] ? process_backlog+0x1f8/0x670 [ 45.775584][ C0] process_backlog+0x103/0x670 [ 45.775763][ C0] ? find_held_lock+0x2c/0x110 [ 45.775941][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 45.776228][ C0] net_rx_action+0x49f/0xc00 [ 45.776407][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 45.776590][ C0] __do_softirq+0x1f8/0x5df [ 45.776765][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 45.776939][ C0] do_softirq+0x4d/0xa0 [ 45.777183][ C0] [ 45.777277][ C0] [ 45.777367][ C0] __local_bh_enable_ip+0xf6/0x120 [ 45.777555][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 45.777729][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 45.778020][ C0] ? packet_parse_headers+0x231/0x9d0 [ 45.778202][ C0] ? packet_parse_headers+0x231/0x9d0 [ 45.778377][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 45.778564][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 45.778856][ C0] ? dev_get_by_index+0x177/0x270 [ 45.779037][ C0] packet_snd+0xd08/0x1840 [ 45.779218][ C0] ? __pfx___lock_release+0x10/0x10 [ 45.779395][ C0] ? __pfx_packet_snd+0x10/0x10 [ 45.779580][ C0] ? __might_fault+0xc3/0x170 [ 45.779761][ C0] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 45.780028][ C0] ? __might_fault+0x11b/0x170 [ 45.780211][ C0] __sys_sendto+0x37d/0x410 [ 45.780498][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 45.780681][ C0] ? sock_ioctl+0x3bc/0x590 [ 45.780855][ C0] ? __might_fault+0xc3/0x170 [ 45.781033][ C0] ? trace_rseq_update+0xd2/0x130 [ 45.781212][ C0] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 45.781562][ C0] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 45.781784][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 45.781962][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 45.782293][ C0] do_syscall_64+0xc6/0x1e0 [ 45.782475][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.782695][ C0] RIP: 0033:0x7f72d56ed85a [ 45.782883][ 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 [ 45.783632][ C0] RSP: 002b:00007ffc35370e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 45.784014][ C0] RAX: ffffffffffffffda RBX: 000000000264a9d0 RCX: 00007f72d56ed85a [ 45.784281][ C0] RDX: 0000000000000062 RSI: 000000000264a5c2 RDI: 0000000000000005 [ 45.784552][ C0] RBP: 000000000264a5c2 R08: 00007ffc35370e60 R09: 0000000000000014 [ 45.784935][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.785202][ C0] R13: 0000000000000062 R14: 00007ffc35370e60 R15: 0000000000000000 [ 45.785470][ C0]