[ 25.059725][ T257] ip (257) used greatest stack depth: 24496 bytes left [ 32.755234][ T331] ip (331) used greatest stack depth: 24216 bytes left [ 33.111190][ T334] 8021q: 802.1Q VLAN Support v1.8 [ 33.712784][ T340] gre: GRE over IPv4 demultiplexor driver [ 33.766381][ T340] ip6_gre: GRE over IPv6 tunneling driver [ 33.795958][ T339] ip (339) used greatest stack depth: 24128 bytes left [ 34.024234][ T346] ip (346) used greatest stack depth: 23520 bytes left [ 45.306027][ T421] GACT probability NOT on [ 45.828259][ C0] [ 45.828407][ C0] ======================================================== [ 45.828793][ C0] WARNING: possible irq lock inversion dependency detected [ 45.829214][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 45.829490][ C0] -------------------------------------------------------- [ 45.829897][ C0] mausezahn/424 just changed the state of lock: [ 45.830246][ C0] ffff888005702580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 45.830747][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 45.831158][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 45.831166][ C0] [ 45.831166][ C0] [ 45.831166][ C0] and interrupts could create inverse lock ordering between them. [ 45.831166][ C0] [ 45.832187][ C0] [ 45.832187][ C0] other info that might help us debug this: [ 45.832594][ C0] Possible interrupt unsafe locking scenario: [ 45.832594][ C0] [ 45.833006][ C0] CPU0 CPU1 [ 45.833280][ C0] ---- ---- [ 45.833559][ C0] lock(&p->alloc_lock); [ 45.833779][ C0] local_irq_disable(); [ 45.834119][ C0] lock(&ndev->lock); [ 45.834462][ C0] lock(&p->alloc_lock); [ 45.834806][ C0] [ 45.835012][ C0] lock(&ndev->lock); [ 45.835225][ C0] [ 45.835225][ C0] *** DEADLOCK *** [ 45.835225][ C0] [ 45.835630][ C0] 5 locks held by mausezahn/424: [ 45.835914][ C0] #0: ffffffff8ef522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 45.836412][ C0] #1: ffffffff8ef522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 45.836904][ C0] #2: ffffffff8ef52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 45.837397][ C0] #3: ffffffff8ef522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 45.837894][ C0] #4: ffffffff8ef522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 45.838388][ C0] [ 45.838388][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 45.838867][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 45.839155][ C0] HARDIRQ-ON-W at: [ 45.839372][ C0] __lock_acquire+0x797/0x1570 [ 45.839731][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.840097][ C0] _raw_spin_lock+0x30/0x40 [ 45.840462][ C0] set_mems_allowed+0x1d/0x210 [ 45.840816][ C0] kernel_init_freeable+0x72/0x310 [ 45.841170][ C0] kernel_init+0x20/0x200 [ 45.841520][ C0] ret_from_fork+0x31/0x70 [ 45.841875][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.842229][ C0] SOFTIRQ-ON-W at: [ 45.842438][ C0] __lock_acquire+0x797/0x1570 [ 45.842791][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.843139][ C0] _raw_spin_lock+0x30/0x40 [ 45.843487][ C0] set_mems_allowed+0x1d/0x210 [ 45.843838][ C0] kernel_init_freeable+0x72/0x310 [ 45.844196][ C0] kernel_init+0x20/0x200 [ 45.844547][ C0] ret_from_fork+0x31/0x70 [ 45.844896][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.845247][ C0] INITIAL USE at: [ 45.845460][ C0] __lock_acquire+0x797/0x1570 [ 45.845808][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.846160][ C0] _raw_spin_lock+0x30/0x40 [ 45.846508][ C0] set_mems_allowed+0x1d/0x210 [ 45.846856][ C0] kernel_init_freeable+0x72/0x310 [ 45.847202][ C0] kernel_init+0x20/0x200 [ 45.847557][ C0] ret_from_fork+0x31/0x70 [ 45.847910][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.848262][ C0] } [ 45.848408][ C0] ... key at: [] __key.387+0x0/0x40 [ 45.848826][ C0] ... acquired at: [ 45.849038][ C0] __lock_acquire+0xaf0/0x1570 [ 45.849317][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.849593][ C0] _raw_spin_lock+0x30/0x40 [ 45.849874][ C0] __get_task_comm+0x27/0x70 [ 45.850162][ C0] ref_tracker_alloc+0x2ee/0x490 [ 45.850442][ C0] netdev_get_by_index+0x5e/0x80 [ 45.850723][ C0] fib6_nh_init+0x3d8/0x15b0 [ 45.850997][ C0] ip6_route_info_create+0xf18/0x17d0 [ 45.851276][ C0] addrconf_f6i_alloc+0x265/0x560 [ 45.851555][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 45.851836][ C0] addrconf_join_anycast+0x1c0/0x220 [ 45.852115][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 45.852392][ C0] addrconf_dad_completed+0x12b/0xe20 [ 45.852679][ C0] addrconf_dad_work+0x38c/0xab0 [ 45.852955][ C0] process_one_work+0xe2c/0x1730 [ 45.853234][ C0] worker_thread+0x587/0xd30 [ 45.853511][ C0] kthread+0x28a/0x350 [ 45.853724][ C0] ret_from_fork+0x31/0x70 [ 45.853995][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.854275][ C0] [ 45.854416][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 45.854700][ C0] HARDIRQ-ON-W at: [ 45.854913][ C0] __lock_acquire+0x797/0x1570 [ 45.855264][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.855615][ C0] _raw_write_lock_bh+0x38/0x50 [ 45.855965][ C0] addrconf_permanent_addr+0x6e/0x670 [ 45.856315][ C0] addrconf_notify+0x749/0xd60 [ 45.856665][ C0] notifier_call_chain+0xcd/0x150 [ 45.857021][ C0] __dev_notify_flags+0xe6/0x250 [ 45.857370][ C0] dev_change_flags+0xec/0x160 [ 45.857718][ C0] do_setlink+0x7d6/0x21e0 [ 45.858069][ C0] __rtnl_newlink+0xaa7/0xd80 [ 45.858418][ C0] rtnl_newlink+0x63/0xa0 [ 45.858771][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.859123][ C0] netlink_rcv_skb+0x130/0x360 [ 45.859480][ C0] netlink_unicast+0x449/0x710 [ 45.859832][ C0] netlink_sendmsg+0x723/0xbe0 [ 45.860186][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 45.860534][ C0] ___sys_sendmsg+0xee/0x170 [ 45.860887][ C0] __sys_sendmsg+0xcd/0x170 [ 45.861256][ C0] do_syscall_64+0xc6/0x1e0 [ 45.861606][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.862035][ C0] HARDIRQ-ON-R at: [ 45.862258][ C0] __lock_acquire+0x797/0x1570 [ 45.862625][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.862985][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.863357][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 45.863731][ C0] inet6_fill_link_af+0x5e/0xe0 [ 45.864103][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 45.864466][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 45.864981][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 45.865364][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 45.865738][ C0] register_netdevice+0x1177/0x1690 [ 45.866102][ C0] register_netdev+0x20/0x40 [ 45.866456][ C0] sit_init_net+0x250/0x4f0 [ 45.866814][ C0] ops_init+0x9b/0x560 [ 45.867096][ C0] register_pernet_operations+0x2db/0x710 [ 45.867648][ C0] register_pernet_device+0x2a/0x60 [ 45.868004][ C0] sit_init+0x23/0xe0 [ 45.868293][ C0] do_one_initcall+0x8d/0x1e0 [ 45.868829][ C0] do_initcalls+0x1b2/0x3e0 [ 45.869147][ C0] kernel_init_freeable+0x232/0x310 [ 45.869512][ C0] kernel_init+0x20/0x200 [ 45.869877][ C0] ret_from_fork+0x31/0x70 [ 45.870445][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.870805][ C0] IN-SOFTIRQ-R at: [ 45.871026][ C0] __lock_acquire+0x797/0x1570 [ 45.871408][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.871758][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.872107][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 45.872456][ C0] ndisc_send_ns+0xe7/0x100 [ 45.872930][ C0] ndisc_solicit+0x2ae/0x4d0 [ 45.873291][ C0] neigh_probe+0xaa/0xf0 [ 45.873640][ C0] __neigh_event_send+0x7af/0xfe0 [ 45.874171][ C0] neigh_resolve_output+0x470/0x7c0 [ 45.874471][ C0] ip6_finish_output2+0x4ab/0xf80 [ 45.874817][ C0] ip6_finish_output+0x4ed/0xd30 [ 45.875167][ C0] ip6_output+0x1f3/0x770 [ 45.875520][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 45.875949][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 45.876387][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.876749][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 45.877182][ C0] dev_hard_start_xmit+0x10e/0x360 [ 45.877530][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 45.878283][ C0] ip_finish_output2+0x616/0x18e0 [ 45.878636][ C0] ip_output+0x16b/0x4f0 [ 45.878986][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 45.879343][ C0] ip_rcv+0x62f/0x740 [ 45.879622][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 45.880035][ C0] process_backlog+0x103/0x670 [ 45.880401][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 45.880759][ C0] net_rx_action+0x49f/0xc00 [ 45.881108][ C0] __do_softirq+0x1f8/0x5df [ 45.881458][ C0] do_softirq+0x4d/0xa0 [ 45.882016][ C0] __local_bh_enable_ip+0xf6/0x120 [ 45.882374][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 45.882723][ C0] packet_snd+0xd08/0x1840 [ 45.883068][ C0] __sys_sendto+0x37d/0x410 [ 45.883426][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 45.883776][ C0] do_syscall_64+0xc6/0x1e0 [ 45.884134][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.884560][ C0] INITIAL USE at: [ 45.884772][ C0] __lock_acquire+0x797/0x1570 [ 45.885119][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.885667][ C0] _raw_write_lock_bh+0x38/0x50 [ 45.885957][ C0] addrconf_permanent_addr+0x6e/0x670 [ 45.886309][ C0] addrconf_notify+0x749/0xd60 [ 45.886660][ C0] notifier_call_chain+0xcd/0x150 [ 45.887216][ C0] __dev_notify_flags+0xe6/0x250 [ 45.887563][ C0] dev_change_flags+0xec/0x160 [ 45.887907][ C0] do_setlink+0x7d6/0x21e0 [ 45.888268][ C0] __rtnl_newlink+0xaa7/0xd80 [ 45.888623][ C0] rtnl_newlink+0x63/0xa0 [ 45.888965][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.889315][ C0] netlink_rcv_skb+0x130/0x360 [ 45.889665][ C0] netlink_unicast+0x449/0x710 [ 45.890016][ C0] netlink_sendmsg+0x723/0xbe0 [ 45.890374][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 45.890872][ C0] ___sys_sendmsg+0xee/0x170 [ 45.891195][ C0] __sys_sendmsg+0xcd/0x170 [ 45.891547][ C0] do_syscall_64+0xc6/0x1e0 [ 45.892074][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.892398][ C0] INITIAL READ USE at: [ 45.892609][ C0] __lock_acquire+0x797/0x1570 [ 45.892965][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.893314][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.893671][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 45.894088][ C0] inet6_fill_link_af+0x5e/0xe0 [ 45.894437][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 45.894788][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 45.895207][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 45.895754][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 45.896103][ C0] register_netdevice+0x1177/0x1690 [ 45.896522][ C0] register_netdev+0x20/0x40 [ 45.897081][ C0] sit_init_net+0x250/0x4f0 [ 45.897428][ C0] ops_init+0x9b/0x560 [ 45.897781][ C0] register_pernet_operations+0x2db/0x710 [ 45.898195][ C0] register_pernet_device+0x2a/0x60 [ 45.898611][ C0] sit_init+0x23/0xe0 [ 45.898956][ C0] do_one_initcall+0x8d/0x1e0 [ 45.899304][ C0] do_initcalls+0x1b2/0x3e0 [ 45.899800][ C0] kernel_init_freeable+0x232/0x310 [ 45.900215][ C0] kernel_init+0x20/0x200 [ 45.900566][ C0] ret_from_fork+0x31/0x70 [ 45.901123][ C0] ret_from_fork_asm+0x1a/0x30 [ 45.901473][ C0] } [ 45.901615][ C0] ... key at: [] __key.37+0x0/0x40 [ 45.902036][ C0] ... acquired at: [ 45.902243][ C0] mark_lock+0x28d/0x3e0 [ 45.902527][ C0] mark_usage+0xd9/0x2a0 [ 45.902807][ C0] __lock_acquire+0x797/0x1570 [ 45.903083][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.903363][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.903643][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 45.903922][ C0] ndisc_send_ns+0xe7/0x100 [ 45.904202][ C0] ndisc_solicit+0x2ae/0x4d0 [ 45.904479][ C0] neigh_probe+0xaa/0xf0 [ 45.904872][ C0] __neigh_event_send+0x7af/0xfe0 [ 45.905158][ C0] neigh_resolve_output+0x470/0x7c0 [ 45.905436][ C0] ip6_finish_output2+0x4ab/0xf80 [ 45.905714][ C0] ip6_finish_output+0x4ed/0xd30 [ 45.906193][ C0] ip6_output+0x1f3/0x770 [ 45.906471][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 45.906826][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 45.907179][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.907471][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 45.907823][ C0] dev_hard_start_xmit+0x10e/0x360 [ 45.908100][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 45.908379][ C0] ip_finish_output2+0x616/0x18e0 [ 45.908658][ C0] ip_output+0x16b/0x4f0 [ 45.908935][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 45.909214][ C0] ip_rcv+0x62f/0x740 [ 45.909430][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 45.909925][ C0] process_backlog+0x103/0x670 [ 45.910193][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 45.910472][ C0] net_rx_action+0x49f/0xc00 [ 45.910750][ C0] __do_softirq+0x1f8/0x5df [ 45.911149][ C0] do_softirq+0x4d/0xa0 [ 45.911360][ C0] __local_bh_enable_ip+0xf6/0x120 [ 45.911637][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 45.911924][ C0] packet_snd+0xd08/0x1840 [ 45.912212][ C0] __sys_sendto+0x37d/0x410 [ 45.912626][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 45.912888][ C0] do_syscall_64+0xc6/0x1e0 [ 45.913171][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.913533][ C0] [ 45.913799][ C0] [ 45.913799][ C0] stack backtrace: [ 45.914151][ C0] CPU: 0 PID: 424 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 45.914583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 45.915217][ C0] Call Trace: [ 45.915440][ C0] [ 45.915591][ C0] dump_stack_lvl+0x82/0xd0 [ 45.915884][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 45.916405][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 45.916659][ C0] ? __pfx_usage_skip+0x10/0x10 [ 45.916934][ C0] ? __pfx_usage_match+0x10/0x10 [ 45.917240][ C0] ? arch_stack_walk+0xa2/0xf0 [ 45.917684][ C0] mark_lock_irq+0x4cd/0xa10 [ 45.917918][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 45.918188][ C0] ? stack_trace_save+0x94/0xd0 [ 45.918475][ C0] ? save_trace+0x8f/0x5b0 [ 45.918953][ C0] mark_lock+0x28d/0x3e0 [ 45.919169][ C0] mark_usage+0xd9/0x2a0 [ 45.919386][ C0] __lock_acquire+0x797/0x1570 [ 45.919682][ C0] lock_acquire.part.0+0xeb/0x330 [ 45.919978][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.920283][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 45.920575][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 45.920860][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.921148][ C0] ? lock_acquire+0x32/0xc0 [ 45.921435][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.921729][ C0] _raw_read_lock_bh+0x44/0x80 [ 45.922026][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 45.922322][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 45.922603][ C0] ndisc_send_ns+0xe7/0x100 [ 45.923090][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 45.923365][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 45.923713][ C0] ndisc_solicit+0x2ae/0x4d0 [ 45.923992][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 45.924416][ C0] ? neigh_probe+0x57/0xf0 [ 45.924679][ C0] neigh_probe+0xaa/0xf0 [ 45.924889][ C0] __neigh_event_send+0x7af/0xfe0 [ 45.925174][ C0] ? do_raw_write_lock+0xe1/0x3b0 [ 45.925575][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 45.925855][ C0] neigh_resolve_output+0x470/0x7c0 [ 45.926132][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 45.926410][ C0] ? ___neigh_create+0x7c6/0xe10 [ 45.926882][ C0] ip6_finish_output2+0x4ab/0xf80 [ 45.927166][ C0] ip6_finish_output+0x4ed/0xd30 [ 45.927442][ C0] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 45.927725][ C0] ip6_output+0x1f3/0x770 [ 45.927934][ C0] ? __pfx_ip6_output+0x10/0x10 [ 45.928212][ C0] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 45.928510][ C0] ? ip6_local_out+0x25/0x3b0 [ 45.928791][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 45.929146][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 45.929640][ C0] ? __kasan_kmalloc+0x7f/0x90 [ 45.929898][ C0] ? trace_kmalloc+0x2a/0xe0 [ 45.930200][ C0] ? sk_getsockopt+0x2048/0x2c40 [ 45.930480][ C0] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 45.930955][ C0] ? pskb_expand_head+0x4ac/0x1020 [ 45.931237][ C0] ? __pfx_pskb_expand_head+0x10/0x10 [ 45.931513][ C0] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 45.931858][ C0] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.932145][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 45.932439][ C0] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 45.932798][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 45.933162][ C0] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 45.933515][ C0] ? find_held_lock+0x2c/0x110 [ 45.933793][ C0] ? __lock_release+0x103/0x460 [ 45.934069][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 45.934527][ C0] ? dev_queue_xmit_nit+0x759/0xad0 [ 45.934738][ C0] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 45.935018][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 45.935298][ C0] dev_hard_start_xmit+0x10e/0x360 [ 45.935579][ C0] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 45.936053][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 45.936334][ C0] ? do_raw_write_lock+0x122/0x3b0 [ 45.936612][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 45.936891][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 45.937302][ C0] ? ___neigh_create+0x7c6/0xe10 [ 45.937562][ C0] ? ___neigh_create+0x7c6/0xe10 [ 45.937843][ C0] ip_finish_output2+0x616/0x18e0 [ 45.938126][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 45.938596][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 45.938873][ C0] ? __ip_finish_output+0x10f/0x770 [ 45.939153][ C0] ip_output+0x16b/0x4f0 [ 45.939362][ C0] ? __pfx_ip_output+0x10/0x10 [ 45.939947][ C0] ? pskb_expand_head+0x485/0x1020 [ 45.940199][ C0] ? ip_route_input_noref+0x10e/0x230 [ 45.940483][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 45.940761][ C0] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 45.941039][ C0] ? ip_forward+0xdc8/0x1a10 [ 45.941319][ C0] ? vrf_l3_rcv+0x3e5/0x510 [vrf] [ 45.941606][ C0] ip_rcv+0x62f/0x740 [ 45.941817][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 45.942106][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 45.942387][ C0] ? process_backlog+0x1f8/0x670 [ 45.942669][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 45.942948][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 45.943294][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 45.943768][ C0] ? process_backlog+0x1f8/0x670 [ 45.944023][ C0] ? lock_acquire+0x32/0xc0 [ 45.944301][ C0] ? process_backlog+0x1f8/0x670 [ 45.944583][ C0] process_backlog+0x103/0x670 [ 45.945034][ C0] ? find_held_lock+0x2c/0x110 [ 45.945315][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 45.945595][ C0] net_rx_action+0x49f/0xc00 [ 45.945882][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 45.946177][ C0] __do_softirq+0x1f8/0x5df [ 45.946456][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 45.946735][ C0] do_softirq+0x4d/0xa0 [ 45.946948][ C0] [ 45.947097][ C0] [ 45.947240][ C0] __local_bh_enable_ip+0xf6/0x120 [ 45.947518][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 45.947795][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 45.948073][ C0] ? packet_parse_headers+0x231/0x9d0 [ 45.948354][ C0] ? packet_parse_headers+0x231/0x9d0 [ 45.948777][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 45.949023][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 45.949311][ C0] ? dev_get_by_index+0x177/0x270 [ 45.949592][ C0] packet_snd+0xd08/0x1840 [ 45.950079][ C0] ? __pfx___lock_release+0x10/0x10 [ 45.950372][ C0] ? __pfx_packet_snd+0x10/0x10 [ 45.950549][ C0] ? __might_fault+0xc3/0x170 [ 45.950717][ C0] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 45.950965][ C0] ? __might_fault+0x11b/0x170 [ 45.951131][ C0] __sys_sendto+0x37d/0x410 [ 45.951312][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 45.951482][ C0] ? sock_ioctl+0x3bc/0x590 [ 45.951648][ C0] ? __might_fault+0xc3/0x170 [ 45.951816][ C0] ? trace_rseq_update+0xd2/0x130 [ 45.951984][ C0] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 45.952193][ C0] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 45.952515][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 45.952682][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 45.952897][ C0] do_syscall_64+0xc6/0x1e0 [ 45.953067][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.953401][ C0] RIP: 0033:0x7f743db7c85a [ 45.953578][ 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 [ 45.954292][ C0] RSP: 002b:00007ffeea467098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 45.954557][ C0] RAX: ffffffffffffffda RBX: 00000000031dc9d0 RCX: 00007f743db7c85a [ 45.954811][ C0] RDX: 0000000000000062 RSI: 00000000031dc5c2 RDI: 0000000000000005 [ 45.955182][ C0] RBP: 00000000031dc5c2 R08: 00007ffeea4670a0 R09: 0000000000000014 [ 45.955436][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.955689][ C0] R13: 0000000000000062 R14: 00007ffeea4670a0 R15: 0000000000000000 [ 45.955949][ C0]