[ 23.897058][ T237] ip (237) used greatest stack depth: 24112 bytes left [ 31.369083][ T322] 8021q: 802.1Q VLAN Support v1.8 [ 31.909640][ T327] gre: GRE over IPv4 demultiplexor driver [ 31.969998][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 42.981131][ T402] GACT probability NOT on [ 43.584611][ C3] [ 43.584869][ C3] ======================================================== [ 43.585251][ C3] WARNING: possible irq lock inversion dependency detected [ 43.585544][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 43.585752][ C3] -------------------------------------------------------- [ 43.585998][ C3] mausezahn/405 just changed the state of lock: [ 43.586221][ C3] ffff888008315580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.586525][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.586786][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 43.586790][ C3] [ 43.586790][ C3] [ 43.586790][ C3] and interrupts could create inverse lock ordering between them. [ 43.586790][ C3] [ 43.587452][ C3] [ 43.587452][ C3] other info that might help us debug this: [ 43.587760][ C3] Possible interrupt unsafe locking scenario: [ 43.587760][ C3] [ 43.588020][ C3] CPU0 CPU1 [ 43.588193][ C3] ---- ---- [ 43.588380][ C3] lock(&p->alloc_lock); [ 43.588519][ C3] local_irq_disable(); [ 43.588765][ C3] lock(&ndev->lock); [ 43.588973][ C3] lock(&p->alloc_lock); [ 43.589185][ C3] [ 43.589314][ C3] lock(&ndev->lock); [ 43.589443][ C3] [ 43.589443][ C3] *** DEADLOCK *** [ 43.589443][ C3] [ 43.589695][ C3] 5 locks held by mausezahn/405: [ 43.589868][ C3] #0: ffffffffb9f522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.590184][ C3] #1: ffffffffb9f522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.590484][ C3] #2: ffffffffb9f52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.590790][ C3] #3: ffffffffb9f522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.591089][ C3] #4: ffffffffb9f522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.591396][ C3] [ 43.591396][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 43.591709][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.591881][ C3] HARDIRQ-ON-W at: [ 43.592012][ C3] __lock_acquire+0x797/0x1570 [ 43.592229][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.592441][ C3] _raw_spin_lock+0x30/0x40 [ 43.592667][ C3] set_mems_allowed+0x1d/0x210 [ 43.592887][ C3] kernel_init_freeable+0x72/0x310 [ 43.593100][ C3] kernel_init+0x20/0x200 [ 43.593310][ C3] ret_from_fork+0x31/0x70 [ 43.593523][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.593761][ C3] SOFTIRQ-ON-W at: [ 43.593898][ C3] __lock_acquire+0x797/0x1570 [ 43.594118][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.594334][ C3] _raw_spin_lock+0x30/0x40 [ 43.594558][ C3] set_mems_allowed+0x1d/0x210 [ 43.594794][ C3] kernel_init_freeable+0x72/0x310 [ 43.595007][ C3] kernel_init+0x20/0x200 [ 43.595226][ C3] ret_from_fork+0x31/0x70 [ 43.595442][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.595659][ C3] INITIAL USE at: [ 43.595785][ C3] __lock_acquire+0x797/0x1570 [ 43.595996][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.596206][ C3] _raw_spin_lock+0x30/0x40 [ 43.596416][ C3] set_mems_allowed+0x1d/0x210 [ 43.596638][ C3] kernel_init_freeable+0x72/0x310 [ 43.596855][ C3] kernel_init+0x20/0x200 [ 43.597066][ C3] ret_from_fork+0x31/0x70 [ 43.597282][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.597503][ C3] } [ 43.597592][ C3] ... key at: [] __key.387+0x0/0x40 [ 43.597878][ C3] ... acquired at: [ 43.598009][ C3] __lock_acquire+0xaf0/0x1570 [ 43.598196][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.598367][ C3] _raw_spin_lock+0x30/0x40 [ 43.598547][ C3] __get_task_comm+0x27/0x70 [ 43.598731][ C3] ref_tracker_alloc+0x2ee/0x490 [ 43.598923][ C3] netdev_get_by_index+0x5e/0x80 [ 43.599093][ C3] fib6_nh_init+0x3d8/0x15b0 [ 43.599277][ C3] ip6_route_info_create+0xf18/0x17d0 [ 43.599446][ C3] addrconf_f6i_alloc+0x265/0x560 [ 43.599637][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.599900][ C3] addrconf_join_anycast+0x1c0/0x220 [ 43.600130][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.600313][ C3] add_addr+0x1fb/0x2d0 [ 43.600442][ C3] add_v4_addrs+0x400/0x800 [ 43.600624][ C3] addrconf_gre_config+0x69/0x140 [ 43.600809][ C3] addrconf_notify+0xb0e/0xd60 [ 43.600989][ C3] notifier_call_chain+0xcd/0x150 [ 43.601171][ C3] __dev_notify_flags+0xe6/0x250 [ 43.601342][ C3] dev_change_flags+0xec/0x160 [ 43.601522][ C3] do_setlink+0x7d6/0x21e0 [ 43.601717][ C3] __rtnl_newlink+0xaa7/0xd80 [ 43.601903][ C3] rtnl_newlink+0x63/0xa0 [ 43.602084][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.602269][ C3] netlink_rcv_skb+0x130/0x360 [ 43.602440][ C3] netlink_unicast+0x449/0x710 [ 43.602616][ C3] netlink_sendmsg+0x723/0xbe0 [ 43.602797][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 43.602982][ C3] ___sys_sendmsg+0xee/0x170 [ 43.603164][ C3] __sys_sendmsg+0xcd/0x170 [ 43.603341][ C3] do_syscall_64+0xc6/0x1e0 [ 43.603511][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.603746][ C3] [ 43.603863][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 43.604039][ C3] HARDIRQ-ON-W at: [ 43.604176][ C3] __lock_acquire+0x797/0x1570 [ 43.604519][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.604748][ C3] _raw_write_lock_bh+0x38/0x50 [ 43.604982][ C3] addrconf_permanent_addr+0x6e/0x670 [ 43.605204][ C3] addrconf_notify+0x749/0xd60 [ 43.605433][ C3] notifier_call_chain+0xcd/0x150 [ 43.605663][ C3] __dev_notify_flags+0xe6/0x250 [ 43.605893][ C3] dev_change_flags+0xec/0x160 [ 43.606224][ C3] do_setlink+0x7d6/0x21e0 [ 43.606444][ C3] __rtnl_newlink+0xaa7/0xd80 [ 43.606686][ C3] rtnl_newlink+0x63/0xa0 [ 43.606913][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.607266][ C3] netlink_rcv_skb+0x130/0x360 [ 43.607490][ C3] netlink_unicast+0x449/0x710 [ 43.607738][ C3] netlink_sendmsg+0x723/0xbe0 [ 43.608071][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 43.608287][ C3] ___sys_sendmsg+0xee/0x170 [ 43.608510][ C3] __sys_sendmsg+0xcd/0x170 [ 43.608888][ C3] do_syscall_64+0xc6/0x1e0 [ 43.609114][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.609381][ C3] HARDIRQ-ON-R at: [ 43.609511][ C3] __lock_acquire+0x797/0x1570 [ 43.609860][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.610073][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.610285][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.610745][ C3] inet6_fill_link_af+0x5e/0xe0 [ 43.610959][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.611170][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.611380][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.611764][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 43.611979][ C3] register_netdevice+0x1177/0x1690 [ 43.612195][ C3] register_netdev+0x20/0x40 [ 43.612413][ C3] sit_init_net+0x250/0x4f0 [ 43.612626][ C3] ops_init+0x9b/0x560 [ 43.612804][ C3] register_pernet_operations+0x2db/0x710 [ 43.613170][ C3] register_pernet_device+0x2a/0x60 [ 43.613381][ C3] sit_init+0x23/0xe0 [ 43.613558][ C3] do_one_initcall+0x8d/0x1e0 [ 43.613781][ C3] do_initcalls+0x1b2/0x3e0 [ 43.614106][ C3] kernel_init_freeable+0x232/0x310 [ 43.614319][ C3] kernel_init+0x20/0x200 [ 43.614548][ C3] ret_from_fork+0x31/0x70 [ 43.614907][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.615129][ C3] IN-SOFTIRQ-R at: [ 43.615262][ C3] __lock_acquire+0x797/0x1570 [ 43.615484][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.615857][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.616071][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 43.616282][ C3] ndisc_send_ns+0xe7/0x100 [ 43.616498][ C3] ndisc_solicit+0x2ae/0x4d0 [ 43.616832][ C3] neigh_probe+0xaa/0xf0 [ 43.617066][ C3] __neigh_event_send+0x7af/0xfe0 [ 43.617285][ C3] neigh_resolve_output+0x470/0x7c0 [ 43.617626][ C3] ip6_finish_output2+0x4ab/0xf80 [ 43.617874][ C3] ip6_finish_output+0x4ed/0xd30 [ 43.618095][ C3] ip6_output+0x1f3/0x770 [ 43.618319][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.618597][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.618885][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.619230][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.619507][ C3] dev_hard_start_xmit+0x10e/0x360 [ 43.619740][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 43.619973][ C3] ip_finish_output2+0x616/0x18e0 [ 43.620316][ C3] ip_output+0x16b/0x4f0 [ 43.620540][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 43.620777][ C3] ip_rcv+0x62f/0x740 [ 43.621081][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.621339][ C3] process_backlog+0x103/0x670 [ 43.621593][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 43.621952][ C3] net_rx_action+0x49f/0xc00 [ 43.622190][ C3] __do_softirq+0x1f8/0x5df [ 43.622408][ C3] do_softirq+0x4d/0xa0 [ 43.622631][ C3] __local_bh_enable_ip+0xf6/0x120 [ 43.622986][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 43.623209][ C3] packet_snd+0xd08/0x1840 [ 43.623439][ C3] __sys_sendto+0x37d/0x410 [ 43.623823][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 43.624043][ C3] do_syscall_64+0xc6/0x1e0 [ 43.624267][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.624845][ C3] INITIAL USE at: [ 43.625001][ C3] __lock_acquire+0x797/0x1570 [ 43.625213][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.625431][ C3] _raw_write_lock_bh+0x38/0x50 [ 43.625779][ C3] addrconf_permanent_addr+0x6e/0x670 [ 43.626005][ C3] addrconf_notify+0x749/0xd60 [ 43.626225][ C3] notifier_call_chain+0xcd/0x150 [ 43.626434][ C3] __dev_notify_flags+0xe6/0x250 [ 43.626769][ C3] dev_change_flags+0xec/0x160 [ 43.626985][ C3] do_setlink+0x7d6/0x21e0 [ 43.627195][ C3] __rtnl_newlink+0xaa7/0xd80 [ 43.627404][ C3] rtnl_newlink+0x63/0xa0 [ 43.627613][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.627831][ C3] netlink_rcv_skb+0x130/0x360 [ 43.628152][ C3] netlink_unicast+0x449/0x710 [ 43.628371][ C3] netlink_sendmsg+0x723/0xbe0 [ 43.628578][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 43.628797][ C3] ___sys_sendmsg+0xee/0x170 [ 43.629118][ C3] __sys_sendmsg+0xcd/0x170 [ 43.629327][ C3] do_syscall_64+0xc6/0x1e0 [ 43.629535][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.629914][ C3] INITIAL READ USE at: [ 43.630049][ C3] __lock_acquire+0x797/0x1570 [ 43.630260][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.630472][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.630804][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.631059][ C3] inet6_fill_link_af+0x5e/0xe0 [ 43.631268][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.631642][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.631919][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.632183][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 43.632402][ C3] register_netdevice+0x1177/0x1690 [ 43.632673][ C3] register_netdev+0x20/0x40 [ 43.632902][ C3] sit_init_net+0x250/0x4f0 [ 43.633243][ C3] ops_init+0x9b/0x560 [ 43.633464][ C3] register_pernet_operations+0x2db/0x710 [ 43.633762][ C3] register_pernet_device+0x2a/0x60 [ 43.634161][ C3] sit_init+0x23/0xe0 [ 43.634382][ C3] do_one_initcall+0x8d/0x1e0 [ 43.634596][ C3] do_initcalls+0x1b2/0x3e0 [ 43.634829][ C3] kernel_init_freeable+0x232/0x310 [ 43.635202][ C3] kernel_init+0x20/0x200 [ 43.635427][ C3] ret_from_fork+0x31/0x70 [ 43.635661][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.635991][ C3] } [ 43.636076][ C3] ... key at: [] __key.37+0x0/0x40 [ 43.636346][ C3] ... acquired at: [ 43.636482][ C3] mark_lock+0x28d/0x3e0 [ 43.636792][ C3] mark_usage+0xd9/0x2a0 [ 43.636970][ C3] __lock_acquire+0x797/0x1570 [ 43.637150][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.637321][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.637611][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 43.637806][ C3] ndisc_send_ns+0xe7/0x100 [ 43.637975][ C3] ndisc_solicit+0x2ae/0x4d0 [ 43.638163][ C3] neigh_probe+0xaa/0xf0 [ 43.638344][ C3] __neigh_event_send+0x7af/0xfe0 [ 43.638647][ C3] neigh_resolve_output+0x470/0x7c0 [ 43.638840][ C3] ip6_finish_output2+0x4ab/0xf80 [ 43.639008][ C3] ip6_finish_output+0x4ed/0xd30 [ 43.639186][ C3] ip6_output+0x1f3/0x770 [ 43.639368][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.639597][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.639843][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.640016][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.640363][ C3] dev_hard_start_xmit+0x10e/0x360 [ 43.640533][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 43.640717][ C3] ip_finish_output2+0x616/0x18e0 [ 43.640885][ C3] ip_output+0x16b/0x4f0 [ 43.641173][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 43.641359][ C3] ip_rcv+0x62f/0x740 [ 43.641487][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.641767][ C3] process_backlog+0x103/0x670 [ 43.642074][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 43.642244][ C3] net_rx_action+0x49f/0xc00 [ 43.642416][ C3] __do_softirq+0x1f8/0x5df [ 43.642581][ C3] do_softirq+0x4d/0xa0 [ 43.642834][ C3] __local_bh_enable_ip+0xf6/0x120 [ 43.643011][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 43.643179][ C3] packet_snd+0xd08/0x1840 [ 43.643347][ C3] __sys_sendto+0x37d/0x410 [ 43.643518][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 43.643821][ C3] do_syscall_64+0xc6/0x1e0 [ 43.644004][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.644227][ C3] [ 43.644315][ C3] [ 43.644315][ C3] stack backtrace: [ 43.644639][ C3] CPU: 3 PID: 405 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.644901][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.645280][ C3] Call Trace: [ 43.645411][ C3] [ 43.645499][ C3] dump_stack_lvl+0x82/0xd0 [ 43.645697][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.645911][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.646242][ C3] ? __pfx_usage_skip+0x10/0x10 [ 43.646411][ C3] ? __pfx_usage_match+0x10/0x10 [ 43.646583][ C3] ? arch_stack_walk+0xa2/0xf0 [ 43.646761][ C3] mark_lock_irq+0x4cd/0xa10 [ 43.647044][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.647213][ C3] ? stack_trace_save+0x94/0xd0 [ 43.647384][ C3] ? save_trace+0x8f/0x5b0 [ 43.647553][ C3] mark_lock+0x28d/0x3e0 [ 43.647688][ C3] mark_usage+0xd9/0x2a0 [ 43.647936][ C3] __lock_acquire+0x797/0x1570 [ 43.648107][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.648276][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.648442][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.648731][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 43.648899][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.649069][ C3] ? lock_acquire+0x32/0xc0 [ 43.649237][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.649546][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.649736][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.649921][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 43.650089][ C3] ndisc_send_ns+0xe7/0x100 [ 43.650269][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.650447][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.650684][ C3] ndisc_solicit+0x2ae/0x4d0 [ 43.650873][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.651045][ C3] ? neigh_probe+0x57/0xf0 [ 43.651335][ C3] neigh_probe+0xaa/0xf0 [ 43.651461][ C3] __neigh_event_send+0x7af/0xfe0 [ 43.651663][ C3] ? do_raw_write_lock+0xe1/0x3b0 [ 43.651834][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.652224][ C3] neigh_resolve_output+0x470/0x7c0 [ 43.652392][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 43.652573][ C3] ? ___neigh_create+0x7c6/0xe10 [ 43.652792][ C3] ip6_finish_output2+0x4ab/0xf80 [ 43.653079][ C3] ip6_finish_output+0x4ed/0xd30 [ 43.653259][ C3] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.653442][ C3] ip6_output+0x1f3/0x770 [ 43.653569][ C3] ? __pfx_ip6_output+0x10/0x10 [ 43.653742][ C3] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.654136][ C3] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.654407][ C3] ? ip6_local_out+0x25/0x3b0 [ 43.654575][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.654933][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.655148][ C3] ? __kasan_kmalloc+0x7f/0x90 [ 43.655320][ C3] ? trace_kmalloc+0x2a/0xe0 [ 43.655497][ C3] ? sk_getsockopt+0x2048/0x2c40 [ 43.655790][ C3] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.656024][ C3] ? pskb_expand_head+0x4ac/0x1020 [ 43.656205][ C3] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.656385][ C3] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.656727][ C3] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.656899][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.657071][ C3] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.657296][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.657518][ C3] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.657743][ C3] ? find_held_lock+0x2c/0x110 [ 43.657914][ C3] ? __lock_release+0x103/0x460 [ 43.658217][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.658386][ C3] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.658553][ C3] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.658743][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.658912][ C3] dev_hard_start_xmit+0x10e/0x360 [ 43.659208][ C3] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.659428][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 43.659603][ C3] ? do_raw_write_lock+0x122/0x3b0 [ 43.659791][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.660083][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.660264][ C3] ? ___neigh_create+0x7c6/0xe10 [ 43.660434][ C3] ? ___neigh_create+0x7c6/0xe10 [ 43.660627][ C3] ip_finish_output2+0x616/0x18e0 [ 43.660928][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.661137][ C3] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.661313][ C3] ? __ip_finish_output+0x10f/0x770 [ 43.661479][ C3] ip_output+0x16b/0x4f0 [ 43.661812][ C3] ? __pfx_ip_output+0x10/0x10 [ 43.662011][ C3] ? pskb_expand_head+0x485/0x1020 [ 43.662181][ C3] ? ip_route_input_noref+0x10e/0x230 [ 43.662365][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 43.662669][ C3] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.662847][ C3] ? ip_forward+0xdc8/0x1a10 [ 43.663018][ C3] ip_rcv+0x62f/0x740 [ 43.663145][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 43.663315][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 43.663612][ C3] ? process_backlog+0x1f8/0x670 [ 43.663797][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 43.663978][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.664193][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.664403][ C3] ? process_backlog+0x1f8/0x670 [ 43.664586][ C3] ? lock_acquire+0x32/0xc0 [ 43.664780][ C3] ? process_backlog+0x1f8/0x670 [ 43.664960][ C3] process_backlog+0x103/0x670 [ 43.665241][ C3] ? find_held_lock+0x2c/0x110 [ 43.665417][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 43.665589][ C3] net_rx_action+0x49f/0xc00 [ 43.665766][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 43.666185][ C3] __do_softirq+0x1f8/0x5df [ 43.666365][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 43.666532][ C3] do_softirq+0x4d/0xa0 [ 43.666683][ C3] [ 43.666771][ C3] [ 43.666856][ C3] __local_bh_enable_ip+0xf6/0x120 [ 43.667133][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 43.667303][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 43.667473][ C3] ? packet_parse_headers+0x231/0x9d0 [ 43.667656][ C3] ? packet_parse_headers+0x231/0x9d0 [ 43.667957][ C3] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 43.668127][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.668307][ C3] ? dev_get_by_index+0x177/0x270 [ 43.668473][ C3] packet_snd+0xd08/0x1840 [ 43.668763][ C3] ? __pfx___lock_release+0x10/0x10 [ 43.668932][ C3] ? __pfx_packet_snd+0x10/0x10 [ 43.669100][ C3] ? __might_fault+0xc3/0x170 [ 43.669269][ C3] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.669644][ C3] ? __might_fault+0x11b/0x170 [ 43.669817][ C3] __sys_sendto+0x37d/0x410 [ 43.669984][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 43.670154][ C3] ? sock_ioctl+0x3bc/0x590 [ 43.670324][ C3] ? __might_fault+0xc3/0x170 [ 43.670494][ C3] ? trace_rseq_update+0xd2/0x130 [ 43.670681][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.670905][ C3] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.671234][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 43.671404][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.671623][ C3] do_syscall_64+0xc6/0x1e0 [ 43.671799][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.672117][ C3] RIP: 0033:0x7f42b583685a [ 43.672294][ C3] 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 [ 43.673009][ C3] RSP: 002b:00007ffd6af677b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.673268][ C3] RAX: ffffffffffffffda RBX: 0000000013f809d0 RCX: 00007f42b583685a [ 43.673522][ C3] RDX: 0000000000000062 RSI: 0000000013f805c2 RDI: 0000000000000005 [ 43.673898][ C3] RBP: 0000000013f805c2 R08: 00007ffd6af677c0 R09: 0000000000000014 [ 43.674155][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.674527][ C3] R13: 0000000000000062 R14: 00007ffd6af677c0 R15: 0000000000000000 [ 43.674803][ C3]