[ 31.703558][ T315] ip (315) used greatest stack depth: 23792 bytes left [ 34.074890][ T338] 8021q: 802.1Q VLAN Support v1.8 [ 34.756263][ T344] gre: GRE over IPv4 demultiplexor driver [ 34.813991][ T344] ip6_gre: GRE over IPv6 tunneling driver [ 46.436609][ T426] GACT probability NOT on [ 46.462721][ T423] tc (423) used greatest stack depth: 23680 bytes left [ 46.982944][ C3] [ 46.983121][ C3] ======================================================== [ 46.983375][ C3] WARNING: possible irq lock inversion dependency detected [ 46.983635][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 46.983803][ C3] -------------------------------------------------------- [ 46.984048][ C3] mausezahn/429 just changed the state of lock: [ 46.984254][ C3] ffff88800563a580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 46.984570][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 46.984829][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 46.984834][ C3] [ 46.984834][ C3] [ 46.984834][ C3] and interrupts could create inverse lock ordering between them. [ 46.984834][ C3] [ 46.985445][ C3] [ 46.985445][ C3] other info that might help us debug this: [ 46.985699][ C3] Possible interrupt unsafe locking scenario: [ 46.985699][ C3] [ 46.985954][ C3] CPU0 CPU1 [ 46.986120][ C3] ---- ---- [ 46.986286][ C3] lock(&p->alloc_lock); [ 46.986414][ C3] local_irq_disable(); [ 46.986635][ C3] lock(&ndev->lock); [ 46.986847][ C3] lock(&p->alloc_lock); [ 46.987058][ C3] [ 46.987199][ C3] lock(&ndev->lock); [ 46.987327][ C3] [ 46.987327][ C3] *** DEADLOCK *** [ 46.987327][ C3] [ 46.987573][ C3] 5 locks held by mausezahn/429: [ 46.987742][ C3] #0: ffffffff9df522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 46.988052][ C3] #1: ffffffff9df522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 46.988349][ C3] #2: ffffffff9df52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 46.988651][ C3] #3: ffffffff9df522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 46.988948][ C3] #4: ffffffff9df522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 46.989244][ C3] [ 46.989244][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 46.989542][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 46.989719][ C3] HARDIRQ-ON-W at: [ 46.989847][ C3] __lock_acquire+0x797/0x1570 [ 46.990061][ C3] lock_acquire.part.0+0xeb/0x330 [ 46.990273][ C3] _raw_spin_lock+0x30/0x40 [ 46.990485][ C3] set_mems_allowed+0x1d/0x210 [ 46.990701][ C3] kernel_init_freeable+0x72/0x310 [ 46.990915][ C3] kernel_init+0x20/0x200 [ 46.991127][ C3] ret_from_fork+0x31/0x70 [ 46.991340][ C3] ret_from_fork_asm+0x1a/0x30 [ 46.991551][ C3] SOFTIRQ-ON-W at: [ 46.991676][ C3] __lock_acquire+0x797/0x1570 [ 46.991887][ C3] lock_acquire.part.0+0xeb/0x330 [ 46.992095][ C3] _raw_spin_lock+0x30/0x40 [ 46.992309][ C3] set_mems_allowed+0x1d/0x210 [ 46.992524][ C3] kernel_init_freeable+0x72/0x310 [ 46.992731][ C3] kernel_init+0x20/0x200 [ 46.992939][ C3] ret_from_fork+0x31/0x70 [ 46.993156][ C3] ret_from_fork_asm+0x1a/0x30 [ 46.993369][ C3] INITIAL USE at: [ 46.993501][ C3] __lock_acquire+0x797/0x1570 [ 46.993711][ C3] lock_acquire.part.0+0xeb/0x330 [ 46.993921][ C3] _raw_spin_lock+0x30/0x40 [ 46.994131][ C3] set_mems_allowed+0x1d/0x210 [ 46.994346][ C3] kernel_init_freeable+0x72/0x310 [ 46.994556][ C3] kernel_init+0x20/0x200 [ 46.994771][ C3] ret_from_fork+0x31/0x70 [ 46.994989][ C3] ret_from_fork_asm+0x1a/0x30 [ 46.995199][ C3] } [ 46.995285][ C3] ... key at: [] __key.387+0x0/0x40 [ 46.995539][ C3] ... acquired at: [ 46.995664][ C3] __lock_acquire+0xaf0/0x1570 [ 46.995834][ C3] lock_acquire.part.0+0xeb/0x330 [ 46.996009][ C3] _raw_spin_lock+0x30/0x40 [ 46.996189][ C3] __get_task_comm+0x27/0x70 [ 46.996360][ C3] ref_tracker_alloc+0x2ee/0x490 [ 46.996529][ C3] netdev_get_by_index+0x5e/0x80 [ 46.996697][ C3] fib6_nh_init+0x3d8/0x15b0 [ 46.996868][ C3] ip6_route_info_create+0xf18/0x17d0 [ 46.997036][ C3] addrconf_f6i_alloc+0x265/0x560 [ 46.997227][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 46.997408][ C3] addrconf_join_anycast+0x1c0/0x220 [ 46.997579][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 46.997747][ C3] addrconf_dad_completed+0x12b/0xe20 [ 46.997916][ C3] addrconf_dad_begin+0x310/0x670 [ 46.998084][ C3] addrconf_dad_work+0x10b/0xab0 [ 46.998251][ C3] process_one_work+0xe2c/0x1730 [ 46.998418][ C3] worker_thread+0x587/0xd30 [ 46.998585][ C3] kthread+0x28a/0x350 [ 46.998724][ C3] ret_from_fork+0x31/0x70 [ 46.998893][ C3] ret_from_fork_asm+0x1a/0x30 [ 46.999062][ C3] [ 46.999150][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 46.999321][ C3] HARDIRQ-ON-W at: [ 46.999448][ C3] __lock_acquire+0x797/0x1570 [ 46.999672][ C3] lock_acquire.part.0+0xeb/0x330 [ 46.999885][ C3] _raw_write_lock_bh+0x38/0x50 [ 47.000108][ C3] addrconf_permanent_addr+0x6e/0x670 [ 47.000423][ C3] addrconf_notify+0x749/0xd60 [ 47.000641][ C3] notifier_call_chain+0xcd/0x150 [ 47.000859][ C3] __dev_notify_flags+0xe6/0x250 [ 47.001075][ C3] dev_change_flags+0xec/0x160 [ 47.001306][ C3] do_setlink+0x7d6/0x21e0 [ 47.001520][ C3] __rtnl_newlink+0xaa7/0xd80 [ 47.001731][ C3] rtnl_newlink+0x63/0xa0 [ 47.001940][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.002151][ C3] netlink_rcv_skb+0x130/0x360 [ 47.002362][ C3] netlink_unicast+0x449/0x710 [ 47.002571][ C3] netlink_sendmsg+0x723/0xbe0 [ 47.002783][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 47.002997][ C3] ___sys_sendmsg+0xee/0x170 [ 47.003208][ C3] __sys_sendmsg+0xcd/0x170 [ 47.003418][ C3] do_syscall_64+0xc6/0x1e0 [ 47.003630][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.003881][ C3] HARDIRQ-ON-R at: [ 47.004006][ C3] __lock_acquire+0x797/0x1570 [ 47.004331][ C3] lock_acquire.part.0+0xeb/0x330 [ 47.004546][ C3] _raw_read_lock_bh+0x44/0x80 [ 47.004755][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 47.004964][ C3] inet6_fill_link_af+0x5e/0xe0 [ 47.005287][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 47.005497][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 47.005708][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 47.006076][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 47.006286][ C3] register_netdevice+0x1177/0x1690 [ 47.006498][ C3] register_netdev+0x20/0x40 [ 47.006824][ C3] sit_init_net+0x250/0x4f0 [ 47.007036][ C3] ops_init+0x9b/0x560 [ 47.007216][ C3] register_pernet_operations+0x2db/0x710 [ 47.007481][ C3] register_pernet_device+0x2a/0x60 [ 47.007816][ C3] sit_init+0x23/0xe0 [ 47.007986][ C3] do_one_initcall+0x8d/0x1e0 [ 47.008197][ C3] do_initcalls+0x1b2/0x3e0 [ 47.008576][ C3] kernel_init_freeable+0x232/0x310 [ 47.008797][ C3] kernel_init+0x20/0x200 [ 47.009021][ C3] ret_from_fork+0x31/0x70 [ 47.009234][ C3] ret_from_fork_asm+0x1a/0x30 [ 47.009446][ C3] IN-SOFTIRQ-R at: [ 47.009583][ C3] __lock_acquire+0x797/0x1570 [ 47.009796][ C3] lock_acquire.part.0+0xeb/0x330 [ 47.010007][ C3] _raw_read_lock_bh+0x44/0x80 [ 47.010329][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 47.010560][ C3] ndisc_send_ns+0xe7/0x100 [ 47.010772][ C3] ndisc_solicit+0x2ae/0x4d0 [ 47.011205][ C3] neigh_probe+0xaa/0xf0 [ 47.011416][ C3] __neigh_event_send+0x7af/0xfe0 [ 47.011634][ C3] neigh_resolve_output+0x470/0x7c0 [ 47.011953][ C3] ip6_finish_output2+0x4ab/0xf80 [ 47.012172][ C3] ip6_finish_output+0x4ed/0xd30 [ 47.012385][ C3] ip6_output+0x1f3/0x770 [ 47.012601][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 47.012970][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 47.013225][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 47.013440][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 47.013839][ C3] dev_hard_start_xmit+0x10e/0x360 [ 47.014062][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 47.014275][ C3] ip_finish_output2+0x616/0x18e0 [ 47.014650][ C3] ip_output+0x16b/0x4f0 [ 47.014859][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 47.015080][ C3] ip_rcv+0x62f/0x740 [ 47.015257][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 47.015517][ C3] process_backlog+0x103/0x670 [ 47.015726][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 47.015937][ C3] net_rx_action+0x49f/0xc00 [ 47.016260][ C3] __do_softirq+0x1f8/0x5df [ 47.016476][ C3] do_softirq+0x4d/0xa0 [ 47.016691][ C3] __local_bh_enable_ip+0xf6/0x120 [ 47.017017][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 47.017237][ C3] packet_snd+0xd08/0x1840 [ 47.017454][ C3] __sys_sendto+0x37d/0x410 [ 47.017673][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 47.018008][ C3] do_syscall_64+0xc6/0x1e0 [ 47.018219][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.018490][ C3] INITIAL USE at: [ 47.018735][ C3] __lock_acquire+0x797/0x1570 [ 47.018961][ C3] lock_acquire.part.0+0xeb/0x330 [ 47.019171][ C3] _raw_write_lock_bh+0x38/0x50 [ 47.019381][ C3] addrconf_permanent_addr+0x6e/0x670 [ 47.019756][ C3] addrconf_notify+0x749/0xd60 [ 47.019966][ C3] notifier_call_chain+0xcd/0x150 [ 47.020180][ C3] __dev_notify_flags+0xe6/0x250 [ 47.020390][ C3] dev_change_flags+0xec/0x160 [ 47.020604][ C3] do_setlink+0x7d6/0x21e0 [ 47.020814][ C3] __rtnl_newlink+0xaa7/0xd80 [ 47.021135][ C3] rtnl_newlink+0x63/0xa0 [ 47.021344][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.021562][ C3] netlink_rcv_skb+0x130/0x360 [ 47.021779][ C3] netlink_unicast+0x449/0x710 [ 47.022099][ C3] netlink_sendmsg+0x723/0xbe0 [ 47.022310][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 47.022538][ C3] ___sys_sendmsg+0xee/0x170 [ 47.022861][ C3] __sys_sendmsg+0xcd/0x170 [ 47.023070][ C3] do_syscall_64+0xc6/0x1e0 [ 47.023285][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.023661][ C3] INITIAL READ USE at: [ 47.023788][ C3] __lock_acquire+0x797/0x1570 [ 47.023999][ C3] lock_acquire.part.0+0xeb/0x330 [ 47.024210][ C3] _raw_read_lock_bh+0x44/0x80 [ 47.024694][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 47.024950][ C3] inet6_fill_link_af+0x5e/0xe0 [ 47.025159][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 47.025367][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 47.025626][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 47.025877][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 47.026199][ C3] register_netdevice+0x1177/0x1690 [ 47.026458][ C3] register_netdev+0x20/0x40 [ 47.026672][ C3] sit_init_net+0x250/0x4f0 [ 47.026883][ C3] ops_init+0x9b/0x560 [ 47.027214][ C3] register_pernet_operations+0x2db/0x710 [ 47.027472][ C3] register_pernet_device+0x2a/0x60 [ 47.027722][ C3] sit_init+0x23/0xe0 [ 47.028056][ C3] do_one_initcall+0x8d/0x1e0 [ 47.028270][ C3] do_initcalls+0x1b2/0x3e0 [ 47.028494][ C3] kernel_init_freeable+0x232/0x310 [ 47.028859][ C3] kernel_init+0x20/0x200 [ 47.029070][ C3] ret_from_fork+0x31/0x70 [ 47.029292][ C3] ret_from_fork_asm+0x1a/0x30 [ 47.029686][ C3] } [ 47.029773][ C3] ... key at: [] __key.37+0x0/0x40 [ 47.030023][ C3] ... acquired at: [ 47.030148][ C3] mark_lock+0x28d/0x3e0 [ 47.030322][ C3] mark_usage+0xd9/0x2a0 [ 47.030507][ C3] __lock_acquire+0x797/0x1570 [ 47.030677][ C3] lock_acquire.part.0+0xeb/0x330 [ 47.030858][ C3] _raw_read_lock_bh+0x44/0x80 [ 47.031031][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 47.031309][ C3] ndisc_send_ns+0xe7/0x100 [ 47.031484][ C3] ndisc_solicit+0x2ae/0x4d0 [ 47.031652][ C3] neigh_probe+0xaa/0xf0 [ 47.031822][ C3] __neigh_event_send+0x7af/0xfe0 [ 47.032113][ C3] neigh_resolve_output+0x470/0x7c0 [ 47.032281][ C3] ip6_finish_output2+0x4ab/0xf80 [ 47.032448][ C3] ip6_finish_output+0x4ed/0xd30 [ 47.032631][ C3] ip6_output+0x1f3/0x770 [ 47.032910][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 47.033157][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 47.033384][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 47.033586][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 47.033916][ C3] dev_hard_start_xmit+0x10e/0x360 [ 47.034090][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 47.034268][ C3] ip_finish_output2+0x616/0x18e0 [ 47.034448][ C3] ip_output+0x16b/0x4f0 [ 47.034740][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 47.034914][ C3] ip_rcv+0x62f/0x740 [ 47.035051][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 47.035265][ C3] process_backlog+0x103/0x670 [ 47.035598][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 47.035773][ C3] net_rx_action+0x49f/0xc00 [ 47.035963][ C3] __do_softirq+0x1f8/0x5df [ 47.036138][ C3] do_softirq+0x4d/0xa0 [ 47.036271][ C3] __local_bh_enable_ip+0xf6/0x120 [ 47.036443][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 47.036627][ C3] packet_snd+0xd08/0x1840 [ 47.036803][ C3] __sys_sendto+0x37d/0x410 [ 47.036978][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 47.037270][ C3] do_syscall_64+0xc6/0x1e0 [ 47.037453][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.037681][ C3] [ 47.037769][ C3] [ 47.037769][ C3] stack backtrace: [ 47.038197][ C3] CPU: 3 PID: 429 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 47.038466][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 47.038873][ C3] Call Trace: [ 47.039129][ C3] [ 47.039218][ C3] dump_stack_lvl+0x82/0xd0 [ 47.039403][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 47.039629][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 47.039957][ C3] ? __pfx_usage_skip+0x10/0x10 [ 47.040145][ C3] ? __pfx_usage_match+0x10/0x10 [ 47.040319][ C3] ? arch_stack_walk+0xa2/0xf0 [ 47.040507][ C3] mark_lock_irq+0x4cd/0xa10 [ 47.040684][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 47.040970][ C3] ? stack_trace_save+0x94/0xd0 [ 47.041155][ C3] ? save_trace+0x8f/0x5b0 [ 47.041330][ C3] mark_lock+0x28d/0x3e0 [ 47.041469][ C3] mark_usage+0xd9/0x2a0 [ 47.041714][ C3] __lock_acquire+0x797/0x1570 [ 47.041891][ C3] lock_acquire.part.0+0xeb/0x330 [ 47.042064][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 47.042778][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 47.042970][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 47.043271][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 47.043454][ C3] ? lock_acquire+0x32/0xc0 [ 47.043656][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 47.043842][ C3] _raw_read_lock_bh+0x44/0x80 [ 47.044148][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 47.044329][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 47.044522][ C3] ndisc_send_ns+0xe7/0x100 [ 47.044708][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 47.045002][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 47.045272][ C3] ndisc_solicit+0x2ae/0x4d0 [ 47.045461][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 47.045652][ C3] ? neigh_probe+0x57/0xf0 [ 47.045948][ C3] neigh_probe+0xaa/0xf0 [ 47.046088][ C3] __neigh_event_send+0x7af/0xfe0 [ 47.046273][ C3] ? do_raw_write_lock+0xe1/0x3b0 [ 47.046462][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 47.046650][ C3] neigh_resolve_output+0x470/0x7c0 [ 47.046946][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 47.047139][ C3] ? ___neigh_create+0x7c6/0xe10 [ 47.047325][ C3] ip6_finish_output2+0x4ab/0xf80 [ 47.047518][ C3] ip6_finish_output+0x4ed/0xd30 [ 47.047812][ C3] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 47.047999][ C3] ip6_output+0x1f3/0x770 [ 47.048138][ C3] ? __pfx_ip6_output+0x10/0x10 [ 47.048322][ C3] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 47.048677][ C3] ? ip6_local_out+0x25/0x3b0 [ 47.048870][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 47.049108][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 47.049345][ C3] ? __kasan_kmalloc+0x7f/0x90 [ 47.049534][ C3] ? trace_kmalloc+0x2a/0xe0 [ 47.049722][ C3] ? sk_getsockopt+0x2048/0x2c40 [ 47.049912][ C3] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 47.050144][ C3] ? pskb_expand_head+0x4ac/0x1020 [ 47.050439][ C3] ? __pfx_pskb_expand_head+0x10/0x10 [ 47.050632][ C3] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 47.050862][ C3] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 47.051050][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 47.051350][ C3] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 47.051595][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 47.051829][ C3] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 47.052060][ C3] ? find_held_lock+0x2c/0x110 [ 47.052359][ C3] ? __lock_release+0x103/0x460 [ 47.052551][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 47.052734][ C3] ? dev_queue_xmit_nit+0x759/0xad0 [ 47.052916][ C3] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 47.053319][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 47.053516][ C3] dev_hard_start_xmit+0x10e/0x360 [ 47.053702][ C3] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 47.053937][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 47.054235][ C3] ? do_raw_write_lock+0x122/0x3b0 [ 47.054418][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 47.054610][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 47.054792][ C3] ? ___neigh_create+0x7c6/0xe10 [ 47.055085][ C3] ? ___neigh_create+0x7c6/0xe10 [ 47.055269][ C3] ip_finish_output2+0x616/0x18e0 [ 47.055451][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 47.055692][ C3] ? __pfx_ip_finish_output2+0x10/0x10 [ 47.055987][ C3] ? __ip_finish_output+0x10f/0x770 [ 47.056171][ C3] ip_output+0x16b/0x4f0 [ 47.056309][ C3] ? __pfx_ip_output+0x10/0x10 [ 47.056500][ C3] ? pskb_expand_head+0x485/0x1020 [ 47.056684][ C3] ? ip_route_input_noref+0x10e/0x230 [ 47.056978][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 47.057172][ C3] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 47.057364][ C3] ? ip_forward+0xdc8/0x1a10 [ 47.057556][ C3] ? vrf_l3_rcv+0x3e5/0x510 [vrf] [ 47.057855][ C3] ip_rcv+0x62f/0x740 [ 47.057995][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 47.058181][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 47.058363][ C3] ? process_backlog+0x1f8/0x670 [ 47.058671][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 47.058853][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 47.059086][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 47.059317][ C3] ? process_backlog+0x1f8/0x670 [ 47.059662][ C3] ? lock_acquire+0x32/0xc0 [ 47.059845][ C3] ? process_backlog+0x1f8/0x670 [ 47.060031][ C3] process_backlog+0x103/0x670 [ 47.060215][ C3] ? find_held_lock+0x2c/0x110 [ 47.060399][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 47.060591][ C3] net_rx_action+0x49f/0xc00 [ 47.060778][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 47.060970][ C3] __do_softirq+0x1f8/0x5df [ 47.061159][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 47.061452][ C3] do_softirq+0x4d/0xa0 [ 47.061599][ C3] [ 47.061693][ C3] [ 47.061785][ C3] __local_bh_enable_ip+0xf6/0x120 [ 47.061969][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 47.062261][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 47.062450][ C3] ? packet_parse_headers+0x231/0x9d0 [ 47.062641][ C3] ? packet_parse_headers+0x231/0x9d0 [ 47.062824][ C3] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 47.063121][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 47.063307][ C3] ? dev_get_by_index+0x177/0x270 [ 47.063504][ C3] packet_snd+0xd08/0x1840 [ 47.063692][ C3] ? __pfx___lock_release+0x10/0x10 [ 47.063876][ C3] ? __pfx_packet_snd+0x10/0x10 [ 47.064177][ C3] ? __might_fault+0xc3/0x170 [ 47.064362][ C3] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 47.064642][ C3] ? __might_fault+0x11b/0x170 [ 47.064938][ C3] __sys_sendto+0x37d/0x410 [ 47.065122][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 47.065311][ C3] ? sock_ioctl+0x3bc/0x590 [ 47.065501][ C3] ? __might_fault+0xc3/0x170 [ 47.065686][ C3] ? trace_rseq_update+0xd2/0x130 [ 47.065981][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 47.066217][ C3] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 47.066445][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 47.066746][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 47.066975][ C3] do_syscall_64+0xc6/0x1e0 [ 47.067170][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.067399][ C3] RIP: 0033:0x7f988502985a [ 47.067827][ 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 [ 47.068500][ C3] RSP: 002b:00007ffc3d71ee08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 47.068890][ C3] RAX: ffffffffffffffda RBX: 000000002427d9d0 RCX: 00007f988502985a [ 47.069161][ C3] RDX: 0000000000000062 RSI: 000000002427d5c2 RDI: 0000000000000005 [ 47.069439][ C3] RBP: 000000002427d5c2 R08: 00007ffc3d71ee10 R09: 0000000000000014 [ 47.069867][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.070140][ C3] R13: 0000000000000062 R14: 00007ffc3d71ee10 R15: 0000000000000000 [ 47.070420][ C3]