[ 31.515714][ T320] 8021q: 802.1Q VLAN Support v1.8 [ 32.005935][ T325] gre: GRE over IPv4 demultiplexor driver [ 32.062839][ T325] ip6_gre: GRE over IPv6 tunneling driver [ 34.986366][ T357] ip (357) used greatest stack depth: 23760 bytes left [ 43.244658][ T401] GACT probability NOT on [ 43.906636][ C0] [ 43.906787][ C0] ======================================================== [ 43.907072][ C0] WARNING: possible irq lock inversion dependency detected [ 43.907340][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 43.907525][ C0] -------------------------------------------------------- [ 43.907790][ C0] mausezahn/404 just changed the state of lock: [ 43.908026][ C0] ffff888006a1bd80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.908365][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.908643][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 43.908647][ C0] [ 43.908647][ C0] [ 43.908647][ C0] and interrupts could create inverse lock ordering between them. [ 43.908647][ C0] [ 43.909314][ C0] [ 43.909314][ C0] other info that might help us debug this: [ 43.909585][ C0] Possible interrupt unsafe locking scenario: [ 43.909585][ C0] [ 43.909864][ C0] CPU0 CPU1 [ 43.910046][ C0] ---- ---- [ 43.910241][ C0] lock(&p->alloc_lock); [ 43.910385][ C0] local_irq_disable(); [ 43.910609][ C0] lock(&ndev->lock); [ 43.910832][ C0] lock(&p->alloc_lock); [ 43.911057][ C0] [ 43.911198][ C0] lock(&ndev->lock); [ 43.911338][ C0] [ 43.911338][ C0] *** DEADLOCK *** [ 43.911338][ C0] [ 43.911611][ C0] 5 locks held by mausezahn/404: [ 43.911797][ C0] #0: ffffffff8fd522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.912150][ C0] #1: ffffffff8fd522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.912469][ C0] #2: ffffffff8fd52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.912791][ C0] #3: ffffffff8fd522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.913121][ C0] #4: ffffffff8fd522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.913444][ C0] [ 43.913444][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 43.913763][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.913955][ C0] HARDIRQ-ON-W at: [ 43.914093][ C0] __lock_acquire+0x797/0x1570 [ 43.914344][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.914572][ C0] _raw_spin_lock+0x30/0x40 [ 43.914807][ C0] set_mems_allowed+0x1d/0x210 [ 43.915041][ C0] kernel_init_freeable+0x72/0x310 [ 43.915276][ C0] kernel_init+0x20/0x200 [ 43.915512][ C0] ret_from_fork+0x31/0x70 [ 43.915748][ C0] ret_from_fork_asm+0x1a/0x30 [ 43.915979][ C0] SOFTIRQ-ON-W at: [ 43.916116][ C0] __lock_acquire+0x797/0x1570 [ 43.916340][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.916568][ C0] _raw_spin_lock+0x30/0x40 [ 43.916798][ C0] set_mems_allowed+0x1d/0x210 [ 43.917031][ C0] kernel_init_freeable+0x72/0x310 [ 43.917261][ C0] kernel_init+0x20/0x200 [ 43.917492][ C0] ret_from_fork+0x31/0x70 [ 43.917724][ C0] ret_from_fork_asm+0x1a/0x30 [ 43.917953][ C0] INITIAL USE at: [ 43.918087][ C0] __lock_acquire+0x797/0x1570 [ 43.918324][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.918550][ C0] _raw_spin_lock+0x30/0x40 [ 43.918778][ C0] set_mems_allowed+0x1d/0x210 [ 43.919004][ C0] kernel_init_freeable+0x72/0x310 [ 43.919233][ C0] kernel_init+0x20/0x200 [ 43.919463][ C0] ret_from_fork+0x31/0x70 [ 43.919692][ C0] ret_from_fork_asm+0x1a/0x30 [ 43.920158][ C0] } [ 43.920251][ C0] ... key at: [] __key.387+0x0/0x40 [ 43.920529][ C0] ... acquired at: [ 43.920668][ C0] __lock_acquire+0xaf0/0x1570 [ 43.920857][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.921156][ C0] _raw_spin_lock+0x30/0x40 [ 43.921339][ C0] __get_task_comm+0x27/0x70 [ 43.921523][ C0] ref_tracker_alloc+0x2ee/0x490 [ 43.921717][ C0] netdev_get_by_index+0x5e/0x80 [ 43.922025][ C0] fib6_nh_init+0x3d8/0x15b0 [ 43.922208][ C0] ip6_route_info_create+0xf18/0x17d0 [ 43.922388][ C0] addrconf_f6i_alloc+0x265/0x560 [ 43.922570][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.922862][ C0] addrconf_join_anycast+0x1c0/0x220 [ 43.923041][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.923234][ C0] addrconf_dad_completed+0x12b/0xe20 [ 43.923417][ C0] addrconf_dad_work+0x38c/0xab0 [ 43.923705][ C0] process_one_work+0xe2c/0x1730 [ 43.923888][ C0] worker_thread+0x587/0xd30 [ 43.924068][ C0] kthread+0x28a/0x350 [ 43.924205][ C0] ret_from_fork+0x31/0x70 [ 43.924385][ C0] ret_from_fork_asm+0x1a/0x30 [ 43.924679][ C0] [ 43.924778][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 43.924966][ C0] HARDIRQ-ON-W at: [ 43.925102][ C0] __lock_acquire+0x797/0x1570 [ 43.925333][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.925670][ C0] _raw_write_lock_bh+0x38/0x50 [ 43.925896][ C0] addrconf_permanent_addr+0x6e/0x670 [ 43.926121][ C0] addrconf_notify+0x749/0xd60 [ 43.926463][ C0] notifier_call_chain+0xcd/0x150 [ 43.926690][ C0] __dev_notify_flags+0xe6/0x250 [ 43.926915][ C0] dev_change_flags+0xec/0x160 [ 43.927253][ C0] do_setlink+0x7d6/0x21e0 [ 43.927479][ C0] __rtnl_newlink+0xaa7/0xd80 [ 43.927705][ C0] rtnl_newlink+0x63/0xa0 [ 43.927930][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.928160][ C0] netlink_rcv_skb+0x130/0x360 [ 43.928390][ C0] netlink_unicast+0x449/0x710 [ 43.928613][ C0] netlink_sendmsg+0x723/0xbe0 [ 43.928949][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 43.929176][ C0] ___sys_sendmsg+0xee/0x170 [ 43.929402][ C0] __sys_sendmsg+0xcd/0x170 [ 43.929635][ C0] do_syscall_64+0xc6/0x1e0 [ 43.929977][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.930252][ C0] HARDIRQ-ON-R at: [ 43.930389][ C0] __lock_acquire+0x797/0x1570 [ 43.930732][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.930959][ C0] _raw_read_lock_bh+0x44/0x80 [ 43.931198][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.931428][ C0] inet6_fill_link_af+0x5e/0xe0 [ 43.931769][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.932011][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.932240][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.932626][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 43.932853][ C0] register_netdevice+0x1177/0x1690 [ 43.933089][ C0] register_netdev+0x20/0x40 [ 43.933425][ C0] sit_init_net+0x250/0x4f0 [ 43.933653][ C0] ops_init+0x9b/0x560 [ 43.933838][ C0] register_pernet_operations+0x2db/0x710 [ 43.934104][ C0] register_pernet_device+0x2a/0x60 [ 43.934445][ C0] sit_init+0x23/0xe0 [ 43.934634][ C0] do_one_initcall+0x8d/0x1e0 [ 43.934859][ C0] do_initcalls+0x1b2/0x3e0 [ 43.935083][ C0] kernel_init_freeable+0x232/0x310 [ 43.935307][ C0] kernel_init+0x20/0x200 [ 43.935532][ C0] ret_from_fork+0x31/0x70 [ 43.935756][ C0] ret_from_fork_asm+0x1a/0x30 [ 43.936090][ C0] IN-SOFTIRQ-R at: [ 43.936233][ C0] __lock_acquire+0x797/0x1570 [ 43.936461][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.936804][ C0] _raw_read_lock_bh+0x44/0x80 [ 43.937032][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 43.937255][ C0] ndisc_send_ns+0xe7/0x100 [ 43.937481][ C0] ndisc_solicit+0x2ae/0x4d0 [ 43.937814][ C0] neigh_probe+0xaa/0xf0 [ 43.938046][ C0] __neigh_event_send+0x7af/0xfe0 [ 43.938273][ C0] neigh_resolve_output+0x470/0x7c0 [ 43.938610][ C0] ip6_finish_output2+0x4ab/0xf80 [ 43.938833][ C0] ip6_finish_output+0x4ed/0xd30 [ 43.939058][ C0] ip6_output+0x1f3/0x770 [ 43.939281][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.939681][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.939956][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.940195][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.940582][ C0] dev_hard_start_xmit+0x10e/0x360 [ 43.940810][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 43.941043][ C0] ip_finish_output2+0x616/0x18e0 [ 43.941386][ C0] ip_output+0x16b/0x4f0 [ 43.941614][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 43.941842][ C0] ip_rcv+0x62f/0x740 [ 43.942040][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.942308][ C0] process_backlog+0x103/0x670 [ 43.942540][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 43.942767][ C0] net_rx_action+0x49f/0xc00 [ 43.943106][ C0] __do_softirq+0x1f8/0x5df [ 43.943333][ C0] do_softirq+0x4d/0xa0 [ 43.943558][ C0] __local_bh_enable_ip+0xf6/0x120 [ 43.943893][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 43.944120][ C0] packet_snd+0xd08/0x1840 [ 43.944355][ C0] __sys_sendto+0x37d/0x410 [ 43.944695][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 43.944935][ C0] do_syscall_64+0xc6/0x1e0 [ 43.945162][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.945436][ C0] INITIAL USE at: [ 43.945683][ C0] __lock_acquire+0x797/0x1570 [ 43.945911][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.946142][ C0] _raw_write_lock_bh+0x38/0x50 [ 43.946477][ C0] addrconf_permanent_addr+0x6e/0x670 [ 43.946702][ C0] addrconf_notify+0x749/0xd60 [ 43.946926][ C0] notifier_call_chain+0xcd/0x150 [ 43.947150][ C0] __dev_notify_flags+0xe6/0x250 [ 43.947485][ C0] dev_change_flags+0xec/0x160 [ 43.947749][ C0] do_setlink+0x7d6/0x21e0 [ 43.947975][ C0] __rtnl_newlink+0xaa7/0xd80 [ 43.948320][ C0] rtnl_newlink+0x63/0xa0 [ 43.948553][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.948777][ C0] netlink_rcv_skb+0x130/0x360 [ 43.949013][ C0] netlink_unicast+0x449/0x710 [ 43.949245][ C0] netlink_sendmsg+0x723/0xbe0 [ 43.949471][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 43.949696][ C0] ___sys_sendmsg+0xee/0x170 [ 43.950037][ C0] __sys_sendmsg+0xcd/0x170 [ 43.950263][ C0] do_syscall_64+0xc6/0x1e0 [ 43.950487][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.950871][ C0] INITIAL READ USE at: [ 43.951016][ C0] __lock_acquire+0x797/0x1570 [ 43.951242][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.951467][ C0] _raw_read_lock_bh+0x44/0x80 [ 43.951808][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.952101][ C0] inet6_fill_link_af+0x5e/0xe0 [ 43.952327][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.952675][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.952947][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.953220][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 43.953560][ C0] register_netdevice+0x1177/0x1690 [ 43.953837][ C0] register_netdev+0x20/0x40 [ 43.954064][ C0] sit_init_net+0x250/0x4f0 [ 43.954409][ C0] ops_init+0x9b/0x560 [ 43.954639][ C0] register_pernet_operations+0x2db/0x710 [ 43.954912][ C0] register_pernet_device+0x2a/0x60 [ 43.955294][ C0] sit_init+0x23/0xe0 [ 43.955521][ C0] do_one_initcall+0x8d/0x1e0 [ 43.955757][ C0] do_initcalls+0x1b2/0x3e0 [ 43.955993][ C0] kernel_init_freeable+0x232/0x310 [ 43.956392][ C0] kernel_init+0x20/0x200 [ 43.956630][ C0] ret_from_fork+0x31/0x70 [ 43.956862][ C0] ret_from_fork_asm+0x1a/0x30 [ 43.957092][ C0] } [ 43.957184][ C0] ... key at: [] __key.37+0x0/0x40 [ 43.957463][ C0] ... acquired at: [ 43.957594][ C0] mark_lock+0x28d/0x3e0 [ 43.957883][ C0] mark_usage+0xd9/0x2a0 [ 43.958055][ C0] __lock_acquire+0x797/0x1570 [ 43.958226][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.958396][ C0] _raw_read_lock_bh+0x44/0x80 [ 43.958565][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 43.958847][ C0] ndisc_send_ns+0xe7/0x100 [ 43.959017][ C0] ndisc_solicit+0x2ae/0x4d0 [ 43.959190][ C0] neigh_probe+0xaa/0xf0 [ 43.959361][ C0] __neigh_event_send+0x7af/0xfe0 [ 43.959654][ C0] neigh_resolve_output+0x470/0x7c0 [ 43.959822][ C0] ip6_finish_output2+0x4ab/0xf80 [ 43.960002][ C0] ip6_finish_output+0x4ed/0xd30 [ 43.960171][ C0] ip6_output+0x1f3/0x770 [ 43.960457][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.960678][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.960908][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.961085][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.961411][ C0] dev_hard_start_xmit+0x10e/0x360 [ 43.961593][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 43.961762][ C0] ip_finish_output2+0x616/0x18e0 [ 43.961943][ C0] ip_output+0x16b/0x4f0 [ 43.962221][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 43.962401][ C0] ip_rcv+0x62f/0x740 [ 43.962535][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.962749][ C0] process_backlog+0x103/0x670 [ 43.962918][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 43.963097][ C0] net_rx_action+0x49f/0xc00 [ 43.963265][ C0] __do_softirq+0x1f8/0x5df [ 43.963432][ C0] do_softirq+0x4d/0xa0 [ 43.963561][ C0] __local_bh_enable_ip+0xf6/0x120 [ 43.963851][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 43.964017][ C0] packet_snd+0xd08/0x1840 [ 43.964190][ C0] __sys_sendto+0x37d/0x410 [ 43.964357][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 43.964647][ C0] do_syscall_64+0xc6/0x1e0 [ 43.964815][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.965025][ C0] [ 43.965110][ C0] [ 43.965110][ C0] stack backtrace: [ 43.965435][ C0] CPU: 0 PID: 404 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.965715][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.966105][ C0] Call Trace: [ 43.966350][ C0] [ 43.966438][ C0] dump_stack_lvl+0x82/0xd0 [ 43.966615][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.966843][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.967060][ C0] ? __pfx_usage_skip+0x10/0x10 [ 43.967229][ C0] ? __pfx_usage_match+0x10/0x10 [ 43.967396][ C0] ? arch_stack_walk+0xa2/0xf0 [ 43.967577][ C0] mark_lock_irq+0x4cd/0xa10 [ 43.967857][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.968026][ C0] ? stack_trace_save+0x94/0xd0 [ 43.968206][ C0] ? save_trace+0x8f/0x5b0 [ 43.968383][ C0] mark_lock+0x28d/0x3e0 [ 43.968511][ C0] mark_usage+0xd9/0x2a0 [ 43.968757][ C0] __lock_acquire+0x797/0x1570 [ 43.968930][ C0] lock_acquire.part.0+0xeb/0x330 [ 43.969100][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.969270][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.969549][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 43.969723][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.969890][ C0] ? lock_acquire+0x32/0xc0 [ 43.970059][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.970227][ C0] _raw_read_lock_bh+0x44/0x80 [ 43.970507][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.970679][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 43.970846][ C0] ndisc_send_ns+0xe7/0x100 [ 43.971015][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.971403][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.971615][ C0] ndisc_solicit+0x2ae/0x4d0 [ 43.971785][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.971964][ C0] ? neigh_probe+0x57/0xf0 [ 43.972148][ C0] neigh_probe+0xaa/0xf0 [ 43.972276][ C0] __neigh_event_send+0x7af/0xfe0 [ 43.972443][ C0] ? do_raw_write_lock+0xe1/0x3b0 [ 43.972611][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.972890][ C0] neigh_resolve_output+0x470/0x7c0 [ 43.973056][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 43.973225][ C0] ? ___neigh_create+0x7c6/0xe10 [ 43.973395][ C0] ip6_finish_output2+0x4ab/0xf80 [ 43.973566][ C0] ip6_finish_output+0x4ed/0xd30 [ 43.973843][ C0] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.974012][ C0] ip6_output+0x1f3/0x770 [ 43.974140][ C0] ? __pfx_ip6_output+0x10/0x10 [ 43.974318][ C0] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.974686][ C0] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.974942][ C0] ? ip6_local_out+0x25/0x3b0 [ 43.975120][ C0] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.975571][ C0] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.975786][ C0] ? __kasan_kmalloc+0x7f/0x90 [ 43.975956][ C0] ? trace_kmalloc+0x2a/0xe0 [ 43.976140][ C0] ? sk_getsockopt+0x2048/0x2c40 [ 43.976424][ C0] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.976640][ C0] ? pskb_expand_head+0x4ac/0x1020 [ 43.976823][ C0] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.977001][ C0] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.977330][ C0] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.977504][ C0] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.977680][ C0] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.977895][ C0] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.978223][ C0] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.978438][ C0] ? find_held_lock+0x2c/0x110 [ 43.978606][ C0] ? __lock_release+0x103/0x460 [ 43.978779][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.979075][ C0] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.979243][ C0] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.979412][ C0] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.979583][ C0] dev_hard_start_xmit+0x10e/0x360 [ 43.979866][ C0] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.980084][ C0] __dev_queue_xmit+0xe69/0x16d0 [ 43.980260][ C0] ? do_raw_write_lock+0x122/0x3b0 [ 43.980440][ C0] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.980720][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.980897][ C0] ? ___neigh_create+0x7c6/0xe10 [ 43.981065][ C0] ? ___neigh_create+0x7c6/0xe10 [ 43.981244][ C0] ip_finish_output2+0x616/0x18e0 [ 43.981524][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.981733][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.981916][ C0] ? __ip_finish_output+0x10f/0x770 [ 43.982107][ C0] ip_output+0x16b/0x4f0 [ 43.982345][ C0] ? __pfx_ip_output+0x10/0x10 [ 43.982513][ C0] ? pskb_expand_head+0x485/0x1020 [ 43.982681][ C0] ? ip_route_input_noref+0x10e/0x230 [ 43.982858][ C0] NF_HOOK.constprop.0+0x7e/0x320 [ 43.983029][ C0] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.983329][ C0] ? ip_forward+0xdc8/0x1a10 [ 43.983498][ C0] ip_rcv+0x62f/0x740 [ 43.983631][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 43.983838][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 43.984075][ C0] ? process_backlog+0x1f8/0x670 [ 43.984251][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 43.984430][ C0] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.984647][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.984975][ C0] ? process_backlog+0x1f8/0x670 [ 43.985148][ C0] ? lock_acquire+0x32/0xc0 [ 43.985324][ C0] ? process_backlog+0x1f8/0x670 [ 43.985500][ C0] process_backlog+0x103/0x670 [ 43.985799][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 43.985971][ C0] net_rx_action+0x49f/0xc00 [ 43.986157][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 43.986330][ C0] __do_softirq+0x1f8/0x5df [ 43.986612][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 43.986789][ C0] do_softirq+0x4d/0xa0 [ 43.986919][ C0] [ 43.987012][ C0] [ 43.987099][ C0] __local_bh_enable_ip+0xf6/0x120 [ 43.987266][ C0] ? __dev_queue_xmit+0x697/0x16d0 [ 43.987547][ C0] __dev_queue_xmit+0x6ac/0x16d0 [ 43.987715][ C0] ? packet_parse_headers+0x231/0x9d0 [ 43.987886][ C0] ? packet_parse_headers+0x231/0x9d0 [ 43.988056][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.988342][ C0] packet_snd+0xd08/0x1840 [ 43.988513][ C0] ? __pfx___lock_release+0x10/0x10 [ 43.988682][ C0] ? __pfx_packet_snd+0x10/0x10 [ 43.988852][ C0] ? __might_fault+0xc3/0x170 [ 43.989246][ C0] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.989493][ C0] ? __might_fault+0x11b/0x170 [ 43.989660][ C0] __sys_sendto+0x37d/0x410 [ 43.989829][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 43.990001][ C0] ? sock_ioctl+0x3bc/0x590 [ 43.990166][ C0] ? __might_fault+0xc3/0x170 [ 43.990336][ C0] ? trace_rseq_update+0xd2/0x130 [ 43.990504][ C0] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.990821][ C0] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.991030][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 43.991197][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.991415][ C0] do_syscall_64+0xc6/0x1e0 [ 43.991706][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.991927][ C0] RIP: 0033:0x7fe09f2de85a [ 43.992106][ 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 [ 43.992823][ C0] RSP: 002b:00007fffb4486788 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.993085][ C0] RAX: ffffffffffffffda RBX: 00000000317759d0 RCX: 00007fe09f2de85a [ 43.993470][ C0] RDX: 0000000000000062 RSI: 00000000317755c2 RDI: 0000000000000005 [ 43.993724][ C0] RBP: 00000000317755c2 R08: 00007fffb4486790 R09: 0000000000000014 [ 43.993978][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.994360][ C0] R13: 0000000000000062 R14: 00007fffb4486790 R15: 0000000000000000 [ 43.994623][ C0]