[ 31.251865][ T318] 8021q: 802.1Q VLAN Support v1.8 [ 31.729287][ T323] gre: GRE over IPv4 demultiplexor driver [ 31.775152][ T323] ip6_gre: GRE over IPv6 tunneling driver [ 42.727793][ T396] GACT probability NOT on [ 43.318809][ C3] [ 43.319009][ C3] ======================================================== [ 43.319278][ C3] WARNING: possible irq lock inversion dependency detected [ 43.319542][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 43.319724][ C3] -------------------------------------------------------- [ 43.319972][ C3] mausezahn/399 just changed the state of lock: [ 43.320193][ C3] ffff888007bdd580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.320509][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.320772][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 43.320776][ C3] [ 43.320776][ C3] [ 43.320776][ C3] and interrupts could create inverse lock ordering between them. [ 43.320776][ C3] [ 43.321395][ C3] [ 43.321395][ C3] other info that might help us debug this: [ 43.321692][ C3] Possible interrupt unsafe locking scenario: [ 43.321692][ C3] [ 43.322056][ C3] CPU0 CPU1 [ 43.322230][ C3] ---- ---- [ 43.322398][ C3] lock(&p->alloc_lock); [ 43.322525][ C3] local_irq_disable(); [ 43.322763][ C3] lock(&ndev->lock); [ 43.322972][ C3] lock(&p->alloc_lock); [ 43.323185][ C3] [ 43.323312][ C3] lock(&ndev->lock); [ 43.323441][ C3] [ 43.323441][ C3] *** DEADLOCK *** [ 43.323441][ C3] [ 43.323694][ C3] 5 locks held by mausezahn/399: [ 43.323864][ C3] #0: ffffffff903522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.324174][ C3] #1: ffffffff903522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.324476][ C3] #2: ffffffff90352280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.324785][ C3] #3: ffffffff903522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.325083][ C3] #4: ffffffff903522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.325386][ C3] [ 43.325386][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 43.325736][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.326017][ C3] HARDIRQ-ON-W at: [ 43.326229][ C3] __lock_acquire+0x797/0x1570 [ 43.326583][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.326937][ C3] _raw_spin_lock+0x30/0x40 [ 43.327285][ C3] set_mems_allowed+0x1d/0x210 [ 43.327629][ C3] kernel_init_freeable+0x72/0x310 [ 43.327981][ C3] kernel_init+0x20/0x200 [ 43.328327][ C3] ret_from_fork+0x31/0x70 [ 43.328679][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.328918][ C3] SOFTIRQ-ON-W at: [ 43.329046][ C3] __lock_acquire+0x797/0x1570 [ 43.329256][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.329466][ C3] _raw_spin_lock+0x30/0x40 [ 43.329692][ C3] set_mems_allowed+0x1d/0x210 [ 43.329902][ C3] kernel_init_freeable+0x72/0x310 [ 43.330118][ C3] kernel_init+0x20/0x200 [ 43.330341][ C3] ret_from_fork+0x31/0x70 [ 43.330557][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.330771][ C3] INITIAL USE at: [ 43.330897][ C3] __lock_acquire+0x797/0x1570 [ 43.331109][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.331321][ C3] _raw_spin_lock+0x30/0x40 [ 43.331539][ C3] set_mems_allowed+0x1d/0x210 [ 43.331757][ C3] kernel_init_freeable+0x72/0x310 [ 43.331969][ C3] kernel_init+0x20/0x200 [ 43.332181][ C3] ret_from_fork+0x31/0x70 [ 43.332392][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.332608][ C3] } [ 43.332695][ C3] ... key at: [] __key.387+0x0/0x40 [ 43.332952][ C3] ... acquired at: [ 43.333080][ C3] __lock_acquire+0xaf0/0x1570 [ 43.333250][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.333421][ C3] _raw_spin_lock+0x30/0x40 [ 43.333599][ C3] __get_task_comm+0x27/0x70 [ 43.333879][ C3] ref_tracker_alloc+0x2ee/0x490 [ 43.334137][ C3] netdev_get_by_index+0x5e/0x80 [ 43.334308][ C3] fib6_nh_init+0x3d8/0x15b0 [ 43.334486][ C3] ip6_route_info_create+0xf18/0x17d0 [ 43.334663][ C3] addrconf_f6i_alloc+0x265/0x560 [ 43.334831][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.335005][ C3] addrconf_join_anycast+0x1c0/0x220 [ 43.335174][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.335341][ C3] addrconf_dad_completed+0x12b/0xe20 [ 43.335510][ C3] addrconf_dad_work+0x38c/0xab0 [ 43.335689][ C3] process_one_work+0xe2c/0x1730 [ 43.335873][ C3] worker_thread+0x587/0xd30 [ 43.336040][ C3] kthread+0x28a/0x350 [ 43.336169][ C3] ret_from_fork+0x31/0x70 [ 43.336335][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.336627][ C3] [ 43.336714][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 43.336884][ C3] HARDIRQ-ON-W at: [ 43.337011][ C3] __lock_acquire+0x797/0x1570 [ 43.337226][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.337712][ C3] _raw_write_lock_bh+0x38/0x50 [ 43.338060][ C3] addrconf_permanent_addr+0x6e/0x670 [ 43.338408][ C3] addrconf_notify+0x749/0xd60 [ 43.338945][ C3] notifier_call_chain+0xcd/0x150 [ 43.339157][ C3] __dev_notify_flags+0xe6/0x250 [ 43.339373][ C3] dev_change_flags+0xec/0x160 [ 43.339585][ C3] do_setlink+0x7d6/0x21e0 [ 43.339906][ C3] __rtnl_newlink+0xaa7/0xd80 [ 43.340116][ C3] rtnl_newlink+0x63/0xa0 [ 43.340324][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.340647][ C3] netlink_rcv_skb+0x130/0x360 [ 43.340864][ C3] netlink_unicast+0x449/0x710 [ 43.341075][ C3] netlink_sendmsg+0x723/0xbe0 [ 43.341394][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 43.341606][ C3] ___sys_sendmsg+0xee/0x170 [ 43.341818][ C3] __sys_sendmsg+0xcd/0x170 [ 43.342029][ C3] do_syscall_64+0xc6/0x1e0 [ 43.342350][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.342608][ C3] HARDIRQ-ON-R at: [ 43.342735][ C3] __lock_acquire+0x797/0x1570 [ 43.343070][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.343280][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.343490][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.343699][ C3] inet6_fill_link_af+0x5e/0xe0 [ 43.343908][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.344123][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.344332][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.344694][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 43.344905][ C3] register_netdevice+0x1177/0x1690 [ 43.345117][ C3] register_netdev+0x20/0x40 [ 43.345438][ C3] sit_init_net+0x250/0x4f0 [ 43.345656][ C3] ops_init+0x9b/0x560 [ 43.345835][ C3] register_pernet_operations+0x2db/0x710 [ 43.346085][ C3] register_pernet_device+0x2a/0x60 [ 43.346407][ C3] sit_init+0x23/0xe0 [ 43.346580][ C3] do_one_initcall+0x8d/0x1e0 [ 43.346790][ C3] do_initcalls+0x1b2/0x3e0 [ 43.347119][ C3] kernel_init_freeable+0x232/0x310 [ 43.347330][ C3] kernel_init+0x20/0x200 [ 43.347540][ C3] ret_from_fork+0x31/0x70 [ 43.347751][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.348071][ C3] IN-SOFTIRQ-R at: [ 43.348199][ C3] __lock_acquire+0x797/0x1570 [ 43.348411][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.348627][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.348840][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 43.349052][ C3] ndisc_send_ns+0xe7/0x100 [ 43.349263][ C3] ndisc_solicit+0x2ae/0x4d0 [ 43.349584][ C3] neigh_probe+0xaa/0xf0 [ 43.349794][ C3] __neigh_event_send+0x7af/0xfe0 [ 43.350003][ C3] neigh_resolve_output+0x470/0x7c0 [ 43.350332][ C3] ip6_finish_output2+0x4ab/0xf80 [ 43.350542][ C3] ip6_finish_output+0x4ed/0xd30 [ 43.350752][ C3] ip6_output+0x1f3/0x770 [ 43.350965][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.351450][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.351710][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.351930][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.352296][ C3] dev_hard_start_xmit+0x10e/0x360 [ 43.352509][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 43.352720][ C3] ip_finish_output2+0x616/0x18e0 [ 43.353042][ C3] ip_output+0x16b/0x4f0 [ 43.353259][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 43.353469][ C3] ip_rcv+0x62f/0x740 [ 43.353637][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.353890][ C3] process_backlog+0x103/0x670 [ 43.354101][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 43.354312][ C3] net_rx_action+0x49f/0xc00 [ 43.354638][ C3] __do_softirq+0x1f8/0x5df [ 43.354847][ C3] do_softirq+0x4d/0xa0 [ 43.355060][ C3] __local_bh_enable_ip+0xf6/0x120 [ 43.355387][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 43.355595][ C3] packet_snd+0xd08/0x1840 [ 43.355819][ C3] __sys_sendto+0x37d/0x410 [ 43.356035][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 43.356360][ C3] do_syscall_64+0xc6/0x1e0 [ 43.356572][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.356824][ C3] INITIAL USE at: [ 43.357067][ C3] __lock_acquire+0x797/0x1570 [ 43.357276][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.357486][ C3] _raw_write_lock_bh+0x38/0x50 [ 43.357700][ C3] addrconf_permanent_addr+0x6e/0x670 [ 43.357914][ C3] addrconf_notify+0x749/0xd60 [ 43.358123][ C3] notifier_call_chain+0xcd/0x150 [ 43.358335][ C3] __dev_notify_flags+0xe6/0x250 [ 43.358657][ C3] dev_change_flags+0xec/0x160 [ 43.358870][ C3] do_setlink+0x7d6/0x21e0 [ 43.359084][ C3] __rtnl_newlink+0xaa7/0xd80 [ 43.359414][ C3] rtnl_newlink+0x63/0xa0 [ 43.359625][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.359834][ C3] netlink_rcv_skb+0x130/0x360 [ 43.360044][ C3] netlink_unicast+0x449/0x710 [ 43.360363][ C3] netlink_sendmsg+0x723/0xbe0 [ 43.360573][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 43.360787][ C3] ___sys_sendmsg+0xee/0x170 [ 43.361112][ C3] __sys_sendmsg+0xcd/0x170 [ 43.361321][ C3] do_syscall_64+0xc6/0x1e0 [ 43.361530][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.361780][ C3] INITIAL READ USE at: [ 43.361905][ C3] __lock_acquire+0x797/0x1570 [ 43.362115][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.362331][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.362654][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.362903][ C3] inet6_fill_link_af+0x5e/0xe0 [ 43.363114][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.363435][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.363687][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.363943][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 43.364374][ C3] register_netdevice+0x1177/0x1690 [ 43.364625][ C3] register_netdev+0x20/0x40 [ 43.364834][ C3] sit_init_net+0x250/0x4f0 [ 43.365043][ C3] ops_init+0x9b/0x560 [ 43.365363][ C3] register_pernet_operations+0x2db/0x710 [ 43.365620][ C3] register_pernet_device+0x2a/0x60 [ 43.365877][ C3] sit_init+0x23/0xe0 [ 43.366204][ C3] do_one_initcall+0x8d/0x1e0 [ 43.366413][ C3] do_initcalls+0x1b2/0x3e0 [ 43.366623][ C3] kernel_init_freeable+0x232/0x310 [ 43.366886][ C3] kernel_init+0x20/0x200 [ 43.367097][ C3] ret_from_fork+0x31/0x70 [ 43.367306][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.367629][ C3] } [ 43.367715][ C3] ... key at: [] __key.37+0x0/0x40 [ 43.367967][ C3] ... acquired at: [ 43.368092][ C3] mark_lock+0x28d/0x3e0 [ 43.368261][ C3] mark_usage+0xd9/0x2a0 [ 43.368542][ C3] __lock_acquire+0x797/0x1570 [ 43.368709][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.368882][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.369052][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 43.369328][ C3] ndisc_send_ns+0xe7/0x100 [ 43.369495][ C3] ndisc_solicit+0x2ae/0x4d0 [ 43.369663][ C3] neigh_probe+0xaa/0xf0 [ 43.369830][ C3] __neigh_event_send+0x7af/0xfe0 [ 43.370109][ C3] neigh_resolve_output+0x470/0x7c0 [ 43.370282][ C3] ip6_finish_output2+0x4ab/0xf80 [ 43.370449][ C3] ip6_finish_output+0x4ed/0xd30 [ 43.370616][ C3] ip6_output+0x1f3/0x770 [ 43.370783][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.370996][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.371214][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.371386][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.371714][ C3] dev_hard_start_xmit+0x10e/0x360 [ 43.371884][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 43.372052][ C3] ip_finish_output2+0x616/0x18e0 [ 43.372218][ C3] ip_output+0x16b/0x4f0 [ 43.372493][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 43.372661][ C3] ip_rcv+0x62f/0x740 [ 43.372787][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.373001][ C3] process_backlog+0x103/0x670 [ 43.373278][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 43.373446][ C3] net_rx_action+0x49f/0xc00 [ 43.373618][ C3] __do_softirq+0x1f8/0x5df [ 43.373784][ C3] do_softirq+0x4d/0xa0 [ 43.373913][ C3] __local_bh_enable_ip+0xf6/0x120 [ 43.374188][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 43.374357][ C3] packet_snd+0xd08/0x1840 [ 43.374529][ C3] __sys_sendto+0x37d/0x410 [ 43.374701][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 43.374979][ C3] do_syscall_64+0xc6/0x1e0 [ 43.375149][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.375360][ C3] [ 43.375444][ C3] [ 43.375444][ C3] stack backtrace: [ 43.375654][ C3] CPU: 3 PID: 399 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.375914][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.376291][ C3] Call Trace: [ 43.376532][ C3] [ 43.376626][ C3] dump_stack_lvl+0x82/0xd0 [ 43.376805][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.377018][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.377453][ C3] ? __pfx_usage_skip+0x10/0x10 [ 43.377621][ C3] ? __pfx_usage_match+0x10/0x10 [ 43.377787][ C3] ? arch_stack_walk+0xa2/0xf0 [ 43.377961][ C3] mark_lock_irq+0x4cd/0xa10 [ 43.378130][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.378406][ C3] ? stack_trace_save+0x94/0xd0 [ 43.378580][ C3] ? save_trace+0x8f/0x5b0 [ 43.378748][ C3] mark_lock+0x28d/0x3e0 [ 43.378877][ C3] mark_usage+0xd9/0x2a0 [ 43.379113][ C3] __lock_acquire+0x797/0x1570 [ 43.379283][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.379451][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.379626][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.379796][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 43.380073][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.380238][ C3] ? lock_acquire+0x32/0xc0 [ 43.380407][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.380573][ C3] _raw_read_lock_bh+0x44/0x80 [ 43.380742][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.380908][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 43.381082][ C3] ndisc_send_ns+0xe7/0x100 [ 43.381252][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.381532][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.381743][ C3] ndisc_solicit+0x2ae/0x4d0 [ 43.381912][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.382081][ C3] ? neigh_probe+0x57/0xf0 [ 43.382359][ C3] neigh_probe+0xaa/0xf0 [ 43.382485][ C3] __neigh_event_send+0x7af/0xfe0 [ 43.382655][ C3] ? do_raw_write_lock+0xe1/0x3b0 [ 43.382829][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.382997][ C3] neigh_resolve_output+0x470/0x7c0 [ 43.383278][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 43.383445][ C3] ? ___neigh_create+0x7c6/0xe10 [ 43.383616][ C3] ip6_finish_output2+0x4ab/0xf80 [ 43.383785][ C3] ip6_finish_output+0x4ed/0xd30 [ 43.384067][ C3] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.384236][ C3] ip6_output+0x1f3/0x770 [ 43.384368][ C3] ? __pfx_ip6_output+0x10/0x10 [ 43.384536][ C3] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.384790][ C3] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.385050][ C3] ? ip6_local_out+0x25/0x3b0 [ 43.385221][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.385547][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.385811][ C3] ? __kasan_kmalloc+0x7f/0x90 [ 43.385996][ C3] ? trace_kmalloc+0x2a/0xe0 [ 43.386178][ C3] ? sk_getsockopt+0x2048/0x2c40 [ 43.386477][ C3] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.386694][ C3] ? pskb_expand_head+0x4ac/0x1020 [ 43.386870][ C3] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.387037][ C3] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.387358][ C3] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.387536][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.387711][ C3] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.387927][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.388252][ C3] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.388474][ C3] ? find_held_lock+0x2c/0x110 [ 43.388642][ C3] ? __lock_release+0x103/0x460 [ 43.388810][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.389094][ C3] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.389265][ C3] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.389443][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.389612][ C3] dev_hard_start_xmit+0x10e/0x360 [ 43.389781][ C3] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.389995][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 43.390168][ C3] ? do_raw_write_lock+0x122/0x3b0 [ 43.390336][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.390734][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.390903][ C3] ? ___neigh_create+0x7c6/0xe10 [ 43.391072][ C3] ? ___neigh_create+0x7c6/0xe10 [ 43.391246][ C3] ip_finish_output2+0x616/0x18e0 [ 43.391525][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.391736][ C3] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.391903][ C3] ? __ip_finish_output+0x10f/0x770 [ 43.392070][ C3] ip_output+0x16b/0x4f0 [ 43.392201][ C3] ? __pfx_ip_output+0x10/0x10 [ 43.392477][ C3] ? pskb_expand_head+0x485/0x1020 [ 43.392646][ C3] ? ip_route_input_noref+0x10e/0x230 [ 43.392816][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 43.392986][ C3] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.393325][ C3] ? ip_forward+0xdc8/0x1a10 [ 43.393500][ C3] ip_rcv+0x62f/0x740 [ 43.393641][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 43.393822][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 43.394102][ C3] ? process_backlog+0x1f8/0x670 [ 43.394272][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 43.394441][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.394656][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.394982][ C3] ? process_backlog+0x1f8/0x670 [ 43.395151][ C3] ? lock_acquire+0x32/0xc0 [ 43.395319][ C3] ? process_backlog+0x1f8/0x670 [ 43.395570][ C3] process_backlog+0x103/0x670 [ 43.395851][ C3] ? find_held_lock+0x2c/0x110 [ 43.396125][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 43.396408][ C3] net_rx_action+0x49f/0xc00 [ 43.396694][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 43.396981][ C3] __do_softirq+0x1f8/0x5df [ 43.397475][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 43.397754][ C3] do_softirq+0x4d/0xa0 [ 43.397967][ C3] [ 43.398127][ C3] [ 43.398271][ C3] __local_bh_enable_ip+0xf6/0x120 [ 43.398756][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 43.399034][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 43.399238][ C3] ? packet_parse_headers+0x231/0x9d0 [ 43.399414][ C3] ? packet_parse_headers+0x231/0x9d0 [ 43.399707][ C3] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 43.399885][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.400061][ C3] ? dev_get_by_index+0x177/0x270 [ 43.400235][ C3] packet_snd+0xd08/0x1840 [ 43.400404][ C3] ? __pfx___lock_release+0x10/0x10 [ 43.400692][ C3] ? __pfx_packet_snd+0x10/0x10 [ 43.400861][ C3] ? __might_fault+0xc3/0x170 [ 43.401029][ C3] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.401387][ C3] ? __might_fault+0x11b/0x170 [ 43.401555][ C3] __sys_sendto+0x37d/0x410 [ 43.401770][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 43.401942][ C3] ? sock_ioctl+0x3bc/0x590 [ 43.402110][ C3] ? __might_fault+0xc3/0x170 [ 43.402387][ C3] ? trace_rseq_update+0xd2/0x130 [ 43.402556][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.402772][ C3] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.403093][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 43.403260][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.403478][ C3] do_syscall_64+0xc6/0x1e0 [ 43.403663][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.403985][ C3] RIP: 0033:0x7fddc2c3785a [ 43.404165][ 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 [ 43.404791][ C3] RSP: 002b:00007fffe48e3558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.405059][ C3] RAX: ffffffffffffffda RBX: 0000000038f319d0 RCX: 00007fddc2c3785a [ 43.405313][ C3] RDX: 0000000000000062 RSI: 0000000038f315c2 RDI: 0000000000000005 [ 43.406027][ C3] RBP: 0000000038f315c2 R08: 00007fffe48e3560 R09: 0000000000000014 [ 43.406292][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.406548][ C3] R13: 0000000000000062 R14: 00007fffe48e3560 R15: 0000000000000000 [ 43.406938][ C3]