[ 23.858376][ T237] ip (237) used greatest stack depth: 23200 bytes left [ 31.371320][ T320] 8021q: 802.1Q VLAN Support v1.8 [ 31.809939][ T325] gre: GRE over IPv4 demultiplexor driver [ 31.866364][ T325] ip6_gre: GRE over IPv6 tunneling driver [ 34.746091][ T356] ip (356) used greatest stack depth: 23104 bytes left [ 43.157142][ T400] GACT probability NOT on [ 43.734603][ C1] [ 43.734739][ C1] ======================================================== [ 43.735007][ C1] WARNING: possible irq lock inversion dependency detected [ 43.735275][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 43.735451][ C1] -------------------------------------------------------- [ 43.735734][ C1] mausezahn/403 just changed the state of lock: [ 43.735955][ C1] ffff8880063d8d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.736284][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.736544][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 43.736548][ C1] [ 43.736548][ C1] [ 43.736548][ C1] and interrupts could create inverse lock ordering between them. [ 43.736548][ C1] [ 43.737199][ C1] [ 43.737199][ C1] other info that might help us debug this: [ 43.737468][ C1] Possible interrupt unsafe locking scenario: [ 43.737468][ C1] [ 43.737736][ C1] CPU0 CPU1 [ 43.737915][ C1] ---- ---- [ 43.738097][ C1] lock(&p->alloc_lock); [ 43.738240][ C1] local_irq_disable(); [ 43.738466][ C1] lock(&ndev->lock); [ 43.738701][ C1] lock(&p->alloc_lock); [ 43.738925][ C1] [ 43.739068][ C1] lock(&ndev->lock); [ 43.739207][ C1] [ 43.739207][ C1] *** DEADLOCK *** [ 43.739207][ C1] [ 43.739468][ C1] 5 locks held by mausezahn/403: [ 43.739649][ C1] #0: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.739973][ C1] #1: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.740297][ C1] #2: ffffffffb5b52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.740618][ C1] #3: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.740934][ C1] #4: ffffffffb5b522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.741251][ C1] [ 43.741251][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 43.741571][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.741763][ C1] HARDIRQ-ON-W at: [ 43.741900][ C1] __lock_acquire+0x797/0x1570 [ 43.742137][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.742367][ C1] _raw_spin_lock+0x30/0x40 [ 43.742596][ C1] set_mems_allowed+0x1d/0x210 [ 43.742829][ C1] kernel_init_freeable+0x72/0x310 [ 43.743062][ C1] kernel_init+0x20/0x200 [ 43.743305][ C1] ret_from_fork+0x31/0x70 [ 43.743544][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.743773][ C1] SOFTIRQ-ON-W at: [ 43.743908][ C1] __lock_acquire+0x797/0x1570 [ 43.744140][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.744369][ C1] _raw_spin_lock+0x30/0x40 [ 43.744595][ C1] set_mems_allowed+0x1d/0x210 [ 43.744822][ C1] kernel_init_freeable+0x72/0x310 [ 43.745050][ C1] kernel_init+0x20/0x200 [ 43.745276][ C1] ret_from_fork+0x31/0x70 [ 43.745508][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.745742][ C1] INITIAL USE at: [ 43.745877][ C1] __lock_acquire+0x797/0x1570 [ 43.746106][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.746355][ C1] _raw_spin_lock+0x30/0x40 [ 43.746582][ C1] set_mems_allowed+0x1d/0x210 [ 43.746818][ C1] kernel_init_freeable+0x72/0x310 [ 43.747044][ C1] kernel_init+0x20/0x200 [ 43.747270][ C1] ret_from_fork+0x31/0x70 [ 43.747500][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.747725][ C1] } [ 43.747820][ C1] ... key at: [] __key.387+0x0/0x40 [ 43.748091][ C1] ... acquired at: [ 43.748234][ C1] __lock_acquire+0xaf0/0x1570 [ 43.748418][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.748601][ C1] _raw_spin_lock+0x30/0x40 [ 43.748780][ C1] __get_task_comm+0x27/0x70 [ 43.748972][ C1] ref_tracker_alloc+0x2ee/0x490 [ 43.749154][ C1] netdev_get_by_index+0x5e/0x80 [ 43.749334][ C1] fib6_nh_init+0x3d8/0x15b0 [ 43.749515][ C1] ip6_route_info_create+0xf18/0x17d0 [ 43.749701][ C1] addrconf_f6i_alloc+0x265/0x560 [ 43.749885][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.750068][ C1] addrconf_join_anycast+0x1c0/0x220 [ 43.750248][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.750429][ C1] add_addr+0x1fb/0x2d0 [ 43.750566][ C1] add_v4_addrs+0x400/0x800 [ 43.750752][ C1] addrconf_gre_config+0x69/0x140 [ 43.750932][ C1] addrconf_notify+0xb0e/0xd60 [ 43.751115][ C1] notifier_call_chain+0xcd/0x150 [ 43.751297][ C1] __dev_notify_flags+0xe6/0x250 [ 43.751479][ C1] dev_change_flags+0xec/0x160 [ 43.751658][ C1] do_setlink+0x7d6/0x21e0 [ 43.751837][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.752018][ C1] rtnl_newlink+0x63/0xa0 [ 43.752196][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.752378][ C1] netlink_rcv_skb+0x130/0x360 [ 43.752562][ C1] netlink_unicast+0x449/0x710 [ 43.752745][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.752922][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.753111][ C1] ___sys_sendmsg+0xee/0x170 [ 43.753291][ C1] __sys_sendmsg+0xcd/0x170 [ 43.753471][ C1] do_syscall_64+0xc6/0x1e0 [ 43.753650][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.753879][ C1] [ 43.753971][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 43.754154][ C1] HARDIRQ-ON-W at: [ 43.754295][ C1] __lock_acquire+0x797/0x1570 [ 43.754525][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.754867][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.755091][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.755315][ C1] addrconf_notify+0x749/0xd60 [ 43.755650][ C1] notifier_call_chain+0xcd/0x150 [ 43.755882][ C1] __dev_notify_flags+0xe6/0x250 [ 43.756106][ C1] dev_change_flags+0xec/0x160 [ 43.756365][ C1] do_setlink+0x7d6/0x21e0 [ 43.756703][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.756929][ C1] rtnl_newlink+0x63/0xa0 [ 43.757156][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.757498][ C1] netlink_rcv_skb+0x130/0x360 [ 43.757723][ C1] netlink_unicast+0x449/0x710 [ 43.757949][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.758286][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.758511][ C1] ___sys_sendmsg+0xee/0x170 [ 43.758735][ C1] __sys_sendmsg+0xcd/0x170 [ 43.758960][ C1] do_syscall_64+0xc6/0x1e0 [ 43.759414][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.759684][ C1] HARDIRQ-ON-R at: [ 43.759821][ C1] __lock_acquire+0x797/0x1570 [ 43.760168][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.760394][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.760621][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.760848][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.761193][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.761421][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.761644][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.762033][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.762256][ C1] register_netdevice+0x1177/0x1690 [ 43.762481][ C1] register_netdev+0x20/0x40 [ 43.762711][ C1] sit_init_net+0x250/0x4f0 [ 43.762937][ C1] ops_init+0x9b/0x560 [ 43.763119][ C1] register_pernet_operations+0x2db/0x710 [ 43.763392][ C1] register_pernet_device+0x2a/0x60 [ 43.763731][ C1] sit_init+0x23/0xe0 [ 43.763912][ C1] do_one_initcall+0x8d/0x1e0 [ 43.764143][ C1] do_initcalls+0x1b2/0x3e0 [ 43.764481][ C1] kernel_init_freeable+0x232/0x310 [ 43.764708][ C1] kernel_init+0x20/0x200 [ 43.764936][ C1] ret_from_fork+0x31/0x70 [ 43.765166][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.765503][ C1] IN-SOFTIRQ-R at: [ 43.765639][ C1] __lock_acquire+0x797/0x1570 [ 43.765870][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.766096][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.766443][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.766679][ C1] ndisc_send_ns+0xe7/0x100 [ 43.766906][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.767246][ C1] neigh_probe+0xaa/0xf0 [ 43.767473][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.767706][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.768043][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.768268][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.768491][ C1] ip6_output+0x1f3/0x770 [ 43.768716][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.769119][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.769404][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.769635][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.769910][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.770138][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.770363][ C1] ip_finish_output2+0x616/0x18e0 [ 43.770718][ C1] ip_output+0x16b/0x4f0 [ 43.770944][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.771172][ C1] ip_rcv+0x62f/0x740 [ 43.771353][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.771737][ C1] process_backlog+0x103/0x670 [ 43.771964][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.772191][ C1] net_rx_action+0x49f/0xc00 [ 43.772532][ C1] __do_softirq+0x1f8/0x5df [ 43.772756][ C1] do_softirq+0x4d/0xa0 [ 43.772982][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.773432][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.773658][ C1] packet_snd+0xd08/0x1840 [ 43.773884][ C1] __sys_sendto+0x37d/0x410 [ 43.774116][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.774453][ C1] do_syscall_64+0xc6/0x1e0 [ 43.774680][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.774950][ C1] INITIAL USE at: [ 43.775211][ C1] __lock_acquire+0x797/0x1570 [ 43.775439][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.775666][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.775893][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.776247][ C1] addrconf_notify+0x749/0xd60 [ 43.776472][ C1] notifier_call_chain+0xcd/0x150 [ 43.776699][ C1] __dev_notify_flags+0xe6/0x250 [ 43.777039][ C1] dev_change_flags+0xec/0x160 [ 43.777261][ C1] do_setlink+0x7d6/0x21e0 [ 43.777497][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.777722][ C1] rtnl_newlink+0x63/0xa0 [ 43.777947][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.778174][ C1] netlink_rcv_skb+0x130/0x360 [ 43.778401][ C1] netlink_unicast+0x449/0x710 [ 43.778738][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.778971][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.779204][ C1] ___sys_sendmsg+0xee/0x170 [ 43.779546][ C1] __sys_sendmsg+0xcd/0x170 [ 43.779771][ C1] do_syscall_64+0xc6/0x1e0 [ 43.779996][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.780373][ C1] INITIAL READ USE at: [ 43.780500][ C1] __lock_acquire+0x797/0x1570 [ 43.780718][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.780930][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.781257][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.781509][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.781719][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.782037][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.782294][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.782541][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.782864][ C1] register_netdevice+0x1177/0x1690 [ 43.783123][ C1] register_netdev+0x20/0x40 [ 43.783330][ C1] sit_init_net+0x250/0x4f0 [ 43.783536][ C1] ops_init+0x9b/0x560 [ 43.783861][ C1] register_pernet_operations+0x2db/0x710 [ 43.784114][ C1] register_pernet_device+0x2a/0x60 [ 43.784367][ C1] sit_init+0x23/0xe0 [ 43.784705][ C1] do_one_initcall+0x8d/0x1e0 [ 43.784919][ C1] do_initcalls+0x1b2/0x3e0 [ 43.785128][ C1] kernel_init_freeable+0x232/0x310 [ 43.785496][ C1] kernel_init+0x20/0x200 [ 43.785712][ C1] ret_from_fork+0x31/0x70 [ 43.785937][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.786289][ C1] } [ 43.786375][ C1] ... key at: [] __key.37+0x0/0x40 [ 43.786626][ C1] ... acquired at: [ 43.786753][ C1] mark_lock+0x28d/0x3e0 [ 43.786925][ C1] mark_usage+0xd9/0x2a0 [ 43.787310][ C1] __lock_acquire+0x797/0x1570 [ 43.787476][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.787644][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.787811][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.788098][ C1] ndisc_send_ns+0xe7/0x100 [ 43.788267][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.788431][ C1] neigh_probe+0xaa/0xf0 [ 43.788600][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.788797][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.788963][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.789136][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.789301][ C1] ip6_output+0x1f3/0x770 [ 43.789472][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.789690][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.789905][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.790096][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.790421][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.790589][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.790764][ C1] ip_finish_output2+0x616/0x18e0 [ 43.790930][ C1] ip_output+0x16b/0x4f0 [ 43.791204][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.791371][ C1] ip_rcv+0x62f/0x740 [ 43.791501][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.791715][ C1] process_backlog+0x103/0x670 [ 43.791994][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.792161][ C1] net_rx_action+0x49f/0xc00 [ 43.792330][ C1] __do_softirq+0x1f8/0x5df [ 43.792495][ C1] do_softirq+0x4d/0xa0 [ 43.792626][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.792803][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.792986][ C1] packet_snd+0xd08/0x1840 [ 43.793166][ C1] __sys_sendto+0x37d/0x410 [ 43.793355][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.793645][ C1] do_syscall_64+0xc6/0x1e0 [ 43.793826][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.794048][ C1] [ 43.794138][ C1] [ 43.794138][ C1] stack backtrace: [ 43.794471][ C1] CPU: 1 PID: 403 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.794748][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.795147][ C1] Call Trace: [ 43.795395][ C1] [ 43.795488][ C1] dump_stack_lvl+0x82/0xd0 [ 43.795672][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.795897][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.796243][ C1] ? __pfx_usage_skip+0x10/0x10 [ 43.796433][ C1] ? __pfx_usage_match+0x10/0x10 [ 43.796613][ C1] ? arch_stack_walk+0xa2/0xf0 [ 43.796796][ C1] mark_lock_irq+0x4cd/0xa10 [ 43.796977][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.797264][ C1] ? stack_trace_save+0x94/0xd0 [ 43.797445][ C1] ? save_trace+0x8f/0x5b0 [ 43.797626][ C1] mark_lock+0x28d/0x3e0 [ 43.797763][ C1] mark_usage+0xd9/0x2a0 [ 43.798011][ C1] __lock_acquire+0x797/0x1570 [ 43.798197][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.798376][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.798557][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.798738][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 43.798917][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.799096][ C1] ? lock_acquire+0x32/0xc0 [ 43.799274][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.799454][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.799750][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.799935][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.800115][ C1] ndisc_send_ns+0xe7/0x100 [ 43.800296][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.800695][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.800921][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.801101][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.801289][ C1] ? neigh_probe+0x57/0xf0 [ 43.801582][ C1] neigh_probe+0xaa/0xf0 [ 43.801724][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.801905][ C1] ? do_raw_write_lock+0xe1/0x3b0 [ 43.802086][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.802265][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.802558][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 43.802739][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.802927][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.803109][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.803428][ C1] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.803617][ C1] ip6_output+0x1f3/0x770 [ 43.803753][ C1] ? __pfx_ip6_output+0x10/0x10 [ 43.803932][ C1] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.804320][ C1] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.804592][ C1] ? ip6_local_out+0x25/0x3b0 [ 43.804774][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.805114][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.805350][ C1] ? __kasan_kmalloc+0x7f/0x90 [ 43.805532][ C1] ? trace_kmalloc+0x2a/0xe0 [ 43.805715][ C1] ? sk_getsockopt+0x2048/0x2c40 [ 43.806011][ C1] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.806287][ C1] ? pskb_expand_head+0x4ac/0x1020 [ 43.806482][ C1] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.806674][ C1] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.806908][ C1] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.807093][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.807289][ C1] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.807521][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.807868][ C1] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.808096][ C1] ? find_held_lock+0x2c/0x110 [ 43.808276][ C1] ? __lock_release+0x103/0x460 [ 43.808458][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.808770][ C1] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.808951][ C1] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.809133][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.809311][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.809623][ C1] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.809837][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.810018][ C1] ? do_raw_write_lock+0x122/0x3b0 [ 43.810189][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.810469][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.810644][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.810813][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.810981][ C1] ip_finish_output2+0x616/0x18e0 [ 43.811257][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.811467][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.811633][ C1] ? __ip_finish_output+0x10f/0x770 [ 43.811806][ C1] ip_output+0x16b/0x4f0 [ 43.811932][ C1] ? __pfx_ip_output+0x10/0x10 [ 43.812208][ C1] ? pskb_expand_head+0x485/0x1020 [ 43.812376][ C1] ? ip_route_input_noref+0x10e/0x230 [ 43.812548][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.812719][ C1] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.812998][ C1] ? ip_forward+0xdc8/0x1a10 [ 43.813166][ C1] ip_rcv+0x62f/0x740 [ 43.813297][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.813465][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 43.813632][ C1] ? process_backlog+0x1f8/0x670 [ 43.813804][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.813977][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.814183][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.814612][ C1] ? process_backlog+0x1f8/0x670 [ 43.814779][ C1] ? lock_acquire+0x32/0xc0 [ 43.814951][ C1] ? process_backlog+0x1f8/0x670 [ 43.815120][ C1] process_backlog+0x103/0x670 [ 43.815397][ C1] ? find_held_lock+0x2c/0x110 [ 43.815565][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.815734][ C1] net_rx_action+0x49f/0xc00 [ 43.815902][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 43.816072][ C1] __do_softirq+0x1f8/0x5df [ 43.816388][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.816563][ C1] do_softirq+0x4d/0xa0 [ 43.816690][ C1] [ 43.816777][ C1] [ 43.816862][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.817138][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.817303][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.817468][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.817634][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.817922][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 43.818093][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.818260][ C1] ? dev_get_by_index+0x177/0x270 [ 43.818426][ C1] packet_snd+0xd08/0x1840 [ 43.818595][ C1] ? __pfx___lock_release+0x10/0x10 [ 43.818762][ C1] ? __pfx_packet_snd+0x10/0x10 [ 43.818929][ C1] ? __might_fault+0xc3/0x170 [ 43.819096][ C1] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.819452][ C1] ? __might_fault+0x11b/0x170 [ 43.819624][ C1] __sys_sendto+0x37d/0x410 [ 43.819792][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 43.819962][ C1] ? sock_ioctl+0x3bc/0x590 [ 43.820131][ C1] ? __might_fault+0xc3/0x170 [ 43.820409][ C1] ? trace_rseq_update+0xd2/0x130 [ 43.820593][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.820800][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.821117][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.821288][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.821496][ C1] do_syscall_64+0xc6/0x1e0 [ 43.821663][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.821990][ C1] RIP: 0033:0x7f3b3b6c785a [ 43.822164][ 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 [ 43.822775][ C1] RSP: 002b:00007ffc5de9ac48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.823055][ C1] RAX: ffffffffffffffda RBX: 0000000039e189d0 RCX: 00007f3b3b6c785a [ 43.823331][ C1] RDX: 0000000000000062 RSI: 0000000039e185c2 RDI: 0000000000000005 [ 43.823712][ C1] RBP: 0000000039e185c2 R08: 00007ffc5de9ac50 R09: 0000000000000014 [ 43.823983][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.824238][ C1] R13: 0000000000000062 R14: 00007ffc5de9ac50 R15: 0000000000000000 [ 43.824609][ C1]