[ 31.614002][ T319] 8021q: 802.1Q VLAN Support v1.8 [ 32.113454][ T324] gre: GRE over IPv4 demultiplexor driver [ 32.168564][ T324] ip6_gre: GRE over IPv6 tunneling driver [ 43.409956][ T399] GACT probability NOT on [ 43.977755][ C3] [ 43.977916][ C3] ======================================================== [ 43.978218][ C3] WARNING: possible irq lock inversion dependency detected [ 43.978508][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 43.978708][ C3] -------------------------------------------------------- [ 43.979002][ C3] mausezahn/402 just changed the state of lock: [ 43.979249][ C3] ffff888007e30d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 43.979602][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.979899][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 43.979904][ C3] [ 43.979904][ C3] [ 43.979904][ C3] and interrupts could create inverse lock ordering between them. [ 43.979904][ C3] [ 43.980627][ C3] [ 43.980627][ C3] other info that might help us debug this: [ 43.980915][ C3] Possible interrupt unsafe locking scenario: [ 43.980915][ C3] [ 43.981211][ C3] CPU0 CPU1 [ 43.981409][ C3] ---- ---- [ 43.981608][ C3] lock(&p->alloc_lock); [ 43.981762][ C3] local_irq_disable(); [ 43.982008][ C3] lock(&ndev->lock); [ 43.982251][ C3] lock(&p->alloc_lock); [ 43.982495][ C3] [ 43.982639][ C3] lock(&ndev->lock); [ 43.982789][ C3] [ 43.982789][ C3] *** DEADLOCK *** [ 43.982789][ C3] [ 43.983082][ C3] 5 locks held by mausezahn/402: [ 43.983279][ C3] #0: ffffffffb4b522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 43.983641][ C3] #1: ffffffffb4b522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 43.983990][ C3] #2: ffffffffb4b52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 43.984334][ C3] #3: ffffffffb4b522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 43.984684][ C3] #4: ffffffffb4b522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 43.985026][ C3] [ 43.985026][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 43.985367][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.985569][ C3] HARDIRQ-ON-W at: [ 43.985719][ C3] __lock_acquire+0x797/0x1570 [ 43.985971][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.986216][ C3] _raw_spin_lock+0x30/0x40 [ 43.986462][ C3] set_mems_allowed+0x1d/0x210 [ 43.986709][ C3] kernel_init_freeable+0x72/0x310 [ 43.986961][ C3] kernel_init+0x20/0x200 [ 43.987199][ C3] ret_from_fork+0x31/0x70 [ 43.987433][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.987667][ C3] SOFTIRQ-ON-W at: [ 43.987806][ C3] __lock_acquire+0x797/0x1570 [ 43.988037][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.988264][ C3] _raw_spin_lock+0x30/0x40 [ 43.988494][ C3] set_mems_allowed+0x1d/0x210 [ 43.988734][ C3] kernel_init_freeable+0x72/0x310 [ 43.988979][ C3] kernel_init+0x20/0x200 [ 43.989214][ C3] ret_from_fork+0x31/0x70 [ 43.989444][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.989675][ C3] INITIAL USE at: [ 43.989812][ C3] __lock_acquire+0x797/0x1570 [ 43.990040][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.990272][ C3] _raw_spin_lock+0x30/0x40 [ 43.990502][ C3] set_mems_allowed+0x1d/0x210 [ 43.990731][ C3] kernel_init_freeable+0x72/0x310 [ 43.990958][ C3] kernel_init+0x20/0x200 [ 43.991190][ C3] ret_from_fork+0x31/0x70 [ 43.991427][ C3] ret_from_fork_asm+0x1a/0x30 [ 43.991661][ C3] } [ 43.991756][ C3] ... key at: [] __key.387+0x0/0x40 [ 43.992032][ C3] ... acquired at: [ 43.992168][ C3] __lock_acquire+0xaf0/0x1570 [ 43.992352][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.992536][ C3] _raw_spin_lock+0x30/0x40 [ 43.992721][ C3] __get_task_comm+0x27/0x70 [ 43.992905][ C3] ref_tracker_alloc+0x2ee/0x490 [ 43.993094][ C3] netdev_get_by_index+0x5e/0x80 [ 43.993274][ C3] fib6_nh_init+0x3d8/0x15b0 [ 43.993464][ C3] ip6_route_info_create+0xf18/0x17d0 [ 43.993649][ C3] addrconf_f6i_alloc+0x265/0x560 [ 43.993832][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 43.994030][ C3] addrconf_join_anycast+0x1c0/0x220 [ 43.994214][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 43.994402][ C3] add_addr+0x1fb/0x2d0 [ 43.994541][ C3] add_v4_addrs+0x400/0x800 [ 43.994728][ C3] addrconf_gre_config+0x69/0x140 [ 43.994909][ C3] addrconf_notify+0xb0e/0xd60 [ 43.995093][ C3] notifier_call_chain+0xcd/0x150 [ 43.995277][ C3] __dev_notify_flags+0xe6/0x250 [ 43.995460][ C3] dev_change_flags+0xec/0x160 [ 43.995643][ C3] do_setlink+0x7d6/0x21e0 [ 43.995829][ C3] __rtnl_newlink+0xaa7/0xd80 [ 43.996013][ C3] rtnl_newlink+0x63/0xa0 [ 43.996195][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.996376][ C3] netlink_rcv_skb+0x130/0x360 [ 43.996560][ C3] netlink_unicast+0x449/0x710 [ 43.996749][ C3] netlink_sendmsg+0x723/0xbe0 [ 43.996933][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 43.997116][ C3] ___sys_sendmsg+0xee/0x170 [ 43.997298][ C3] __sys_sendmsg+0xcd/0x170 [ 43.997487][ C3] do_syscall_64+0xc6/0x1e0 [ 43.997676][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.997921][ C3] [ 43.998020][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 43.998218][ C3] HARDIRQ-ON-W at: [ 43.998367][ C3] __lock_acquire+0x797/0x1570 [ 43.998611][ C3] lock_acquire.part.0+0xeb/0x330 [ 43.998846][ C3] _raw_write_lock_bh+0x38/0x50 [ 43.999083][ C3] addrconf_permanent_addr+0x6e/0x670 [ 43.999309][ C3] addrconf_notify+0x749/0xd60 [ 43.999538][ C3] notifier_call_chain+0xcd/0x150 [ 43.999768][ C3] __dev_notify_flags+0xe6/0x250 [ 43.999997][ C3] dev_change_flags+0xec/0x160 [ 44.000222][ C3] do_setlink+0x7d6/0x21e0 [ 44.000458][ C3] __rtnl_newlink+0xaa7/0xd80 [ 44.000688][ C3] rtnl_newlink+0x63/0xa0 [ 44.000916][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.001145][ C3] netlink_rcv_skb+0x130/0x360 [ 44.001374][ C3] netlink_unicast+0x449/0x710 [ 44.001603][ C3] netlink_sendmsg+0x723/0xbe0 [ 44.001836][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 44.002074][ C3] ___sys_sendmsg+0xee/0x170 [ 44.002306][ C3] __sys_sendmsg+0xcd/0x170 [ 44.002536][ C3] do_syscall_64+0xc6/0x1e0 [ 44.002766][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.003159][ C3] HARDIRQ-ON-R at: [ 44.003297][ C3] __lock_acquire+0x797/0x1570 [ 44.003541][ C3] lock_acquire.part.0+0xeb/0x330 [ 44.003775][ C3] _raw_read_lock_bh+0x44/0x80 [ 44.004116][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.004343][ C3] inet6_fill_link_af+0x5e/0xe0 [ 44.004570][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.004799][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.005151][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.005428][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 44.005661][ C3] register_netdevice+0x1177/0x1690 [ 44.005911][ C3] register_netdev+0x20/0x40 [ 44.006157][ C3] sit_init_net+0x250/0x4f0 [ 44.006397][ C3] ops_init+0x9b/0x560 [ 44.006693][ C3] register_pernet_operations+0x2db/0x710 [ 44.006974][ C3] register_pernet_device+0x2a/0x60 [ 44.007204][ C3] sit_init+0x23/0xe0 [ 44.007388][ C3] do_one_initcall+0x8d/0x1e0 [ 44.007731][ C3] do_initcalls+0x1b2/0x3e0 [ 44.007963][ C3] kernel_init_freeable+0x232/0x310 [ 44.008192][ C3] kernel_init+0x20/0x200 [ 44.008528][ C3] ret_from_fork+0x31/0x70 [ 44.008764][ C3] ret_from_fork_asm+0x1a/0x30 [ 44.008996][ C3] IN-SOFTIRQ-R at: [ 44.009134][ C3] __lock_acquire+0x797/0x1570 [ 44.009479][ C3] lock_acquire.part.0+0xeb/0x330 [ 44.009713][ C3] _raw_read_lock_bh+0x44/0x80 [ 44.009941][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 44.010278][ C3] ndisc_send_ns+0xe7/0x100 [ 44.010514][ C3] ndisc_solicit+0x2ae/0x4d0 [ 44.010745][ C3] neigh_probe+0xaa/0xf0 [ 44.010977][ C3] __neigh_event_send+0x7af/0xfe0 [ 44.011429][ C3] neigh_resolve_output+0x470/0x7c0 [ 44.011660][ C3] ip6_finish_output2+0x4ab/0xf80 [ 44.011888][ C3] ip6_finish_output+0x4ed/0xd30 [ 44.012229][ C3] ip6_output+0x1f3/0x770 [ 44.012455][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.012733][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.013124][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.013364][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.013645][ C3] dev_hard_start_xmit+0x10e/0x360 [ 44.014014][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 44.014243][ C3] ip_finish_output2+0x616/0x18e0 [ 44.014474][ C3] ip_output+0x16b/0x4f0 [ 44.014708][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 44.014936][ C3] ip_rcv+0x62f/0x740 [ 44.015127][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.015400][ C3] process_backlog+0x103/0x670 [ 44.015741][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 44.015971][ C3] net_rx_action+0x49f/0xc00 [ 44.016200][ C3] __do_softirq+0x1f8/0x5df [ 44.016431][ C3] do_softirq+0x4d/0xa0 [ 44.016773][ C3] __local_bh_enable_ip+0xf6/0x120 [ 44.017005][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 44.017236][ C3] packet_snd+0xd08/0x1840 [ 44.017575][ C3] __sys_sendto+0x37d/0x410 [ 44.017804][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 44.018034][ C3] do_syscall_64+0xc6/0x1e0 [ 44.018376][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.018661][ C3] INITIAL USE at: [ 44.018800][ C3] __lock_acquire+0x797/0x1570 [ 44.019033][ C3] lock_acquire.part.0+0xeb/0x330 [ 44.019383][ C3] _raw_write_lock_bh+0x38/0x50 [ 44.019611][ C3] addrconf_permanent_addr+0x6e/0x670 [ 44.019841][ C3] addrconf_notify+0x749/0xd60 [ 44.020182][ C3] notifier_call_chain+0xcd/0x150 [ 44.020413][ C3] __dev_notify_flags+0xe6/0x250 [ 44.020640][ C3] dev_change_flags+0xec/0x160 [ 44.020867][ C3] do_setlink+0x7d6/0x21e0 [ 44.021207][ C3] __rtnl_newlink+0xaa7/0xd80 [ 44.021434][ C3] rtnl_newlink+0x63/0xa0 [ 44.021664][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.022027][ C3] netlink_rcv_skb+0x130/0x360 [ 44.022258][ C3] netlink_unicast+0x449/0x710 [ 44.022486][ C3] netlink_sendmsg+0x723/0xbe0 [ 44.022717][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 44.022949][ C3] ___sys_sendmsg+0xee/0x170 [ 44.023178][ C3] __sys_sendmsg+0xcd/0x170 [ 44.023417][ C3] do_syscall_64+0xc6/0x1e0 [ 44.023776][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.024055][ C3] INITIAL READ USE at: [ 44.024200][ C3] __lock_acquire+0x797/0x1570 [ 44.024430][ C3] lock_acquire.part.0+0xeb/0x330 [ 44.024770][ C3] _raw_read_lock_bh+0x44/0x80 [ 44.024998][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.025274][ C3] inet6_fill_link_af+0x5e/0xe0 [ 44.025726][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.025956][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.026228][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.026610][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 44.026832][ C3] register_netdevice+0x1177/0x1690 [ 44.027107][ C3] register_netdev+0x20/0x40 [ 44.027445][ C3] sit_init_net+0x250/0x4f0 [ 44.027674][ C3] ops_init+0x9b/0x560 [ 44.027900][ C3] register_pernet_operations+0x2db/0x710 [ 44.028282][ C3] register_pernet_device+0x2a/0x60 [ 44.028559][ C3] sit_init+0x23/0xe0 [ 44.028789][ C3] do_one_initcall+0x8d/0x1e0 [ 44.029129][ C3] do_initcalls+0x1b2/0x3e0 [ 44.029360][ C3] kernel_init_freeable+0x232/0x310 [ 44.029631][ C3] kernel_init+0x20/0x200 [ 44.029861][ C3] ret_from_fork+0x31/0x70 [ 44.030219][ C3] ret_from_fork_asm+0x1a/0x30 [ 44.030451][ C3] } [ 44.030546][ C3] ... key at: [] __key.37+0x0/0x40 [ 44.030817][ C3] ... acquired at: [ 44.030952][ C3] mark_lock+0x28d/0x3e0 [ 44.031136][ C3] mark_usage+0xd9/0x2a0 [ 44.031319][ C3] __lock_acquire+0x797/0x1570 [ 44.031501][ C3] lock_acquire.part.0+0xeb/0x330 [ 44.031796][ C3] _raw_read_lock_bh+0x44/0x80 [ 44.031981][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 44.032163][ C3] ndisc_send_ns+0xe7/0x100 [ 44.032347][ C3] ndisc_solicit+0x2ae/0x4d0 [ 44.032637][ C3] neigh_probe+0xaa/0xf0 [ 44.032820][ C3] __neigh_event_send+0x7af/0xfe0 [ 44.033004][ C3] neigh_resolve_output+0x470/0x7c0 [ 44.033187][ C3] ip6_finish_output2+0x4ab/0xf80 [ 44.033488][ C3] ip6_finish_output+0x4ed/0xd30 [ 44.033672][ C3] ip6_output+0x1f3/0x770 [ 44.033852][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.034085][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.034427][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.034615][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.034846][ C3] dev_hard_start_xmit+0x10e/0x360 [ 44.035030][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 44.035330][ C3] ip_finish_output2+0x616/0x18e0 [ 44.035512][ C3] ip_output+0x16b/0x4f0 [ 44.035694][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 44.035877][ C3] ip_rcv+0x62f/0x740 [ 44.036015][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.036352][ C3] process_backlog+0x103/0x670 [ 44.036538][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 44.036719][ C3] net_rx_action+0x49f/0xc00 [ 44.036905][ C3] __do_softirq+0x1f8/0x5df [ 44.037194][ C3] do_softirq+0x4d/0xa0 [ 44.037332][ C3] __local_bh_enable_ip+0xf6/0x120 [ 44.037513][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 44.037694][ C3] packet_snd+0xd08/0x1840 [ 44.038000][ C3] __sys_sendto+0x37d/0x410 [ 44.038182][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 44.038364][ C3] do_syscall_64+0xc6/0x1e0 [ 44.038544][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.038780][ C3] [ 44.038873][ C3] [ 44.038873][ C3] stack backtrace: [ 44.039097][ C3] CPU: 3 PID: 402 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 44.039372][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.039999][ C3] Call Trace: [ 44.040135][ C3] [ 44.040228][ C3] dump_stack_lvl+0x82/0xd0 [ 44.040419][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 44.040756][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 44.040991][ C3] ? __pfx_usage_skip+0x10/0x10 [ 44.041175][ C3] ? __pfx_usage_match+0x10/0x10 [ 44.041356][ C3] ? arch_stack_walk+0xa2/0xf0 [ 44.041652][ C3] mark_lock_irq+0x4cd/0xa10 [ 44.041835][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 44.042018][ C3] ? stack_trace_save+0x94/0xd0 [ 44.042208][ C3] ? save_trace+0x8f/0x5b0 [ 44.042500][ C3] mark_lock+0x28d/0x3e0 [ 44.042638][ C3] mark_usage+0xd9/0x2a0 [ 44.042778][ C3] __lock_acquire+0x797/0x1570 [ 44.042962][ C3] lock_acquire.part.0+0xeb/0x330 [ 44.043145][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.043453][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.043637][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 44.043820][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.044004][ C3] ? lock_acquire+0x32/0xc0 [ 44.044293][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.044475][ C3] _raw_read_lock_bh+0x44/0x80 [ 44.044655][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 44.044837][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 44.045130][ C3] ndisc_send_ns+0xe7/0x100 [ 44.045317][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 44.045496][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 44.045729][ C3] ndisc_solicit+0x2ae/0x4d0 [ 44.046034][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 44.046217][ C3] ? neigh_probe+0x57/0xf0 [ 44.046401][ C3] neigh_probe+0xaa/0xf0 [ 44.046543][ C3] __neigh_event_send+0x7af/0xfe0 [ 44.046727][ C3] ? do_raw_write_lock+0xe1/0x3b0 [ 44.046912][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.047097][ C3] neigh_resolve_output+0x470/0x7c0 [ 44.047281][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 44.047469][ C3] ? ___neigh_create+0x7c6/0xe10 [ 44.047761][ C3] ip6_finish_output2+0x4ab/0xf80 [ 44.047946][ C3] ip6_finish_output+0x4ed/0xd30 [ 44.048129][ C3] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 44.048314][ C3] ip6_output+0x1f3/0x770 [ 44.048578][ C3] ? __pfx_ip6_output+0x10/0x10 [ 44.048762][ C3] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 44.049039][ C3] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 44.049322][ C3] ? ip6_local_out+0x25/0x3b0 [ 44.049620][ C3] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 44.049855][ C3] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 44.050088][ C3] ? __kasan_kmalloc+0x7f/0x90 [ 44.050379][ C3] ? trace_kmalloc+0x2a/0xe0 [ 44.050567][ C3] ? sk_getsockopt+0x2048/0x2c40 [ 44.050752][ C3] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 44.050989][ C3] ? pskb_expand_head+0x4ac/0x1020 [ 44.051285][ C3] ? __pfx_pskb_expand_head+0x10/0x10 [ 44.051466][ C3] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 44.051693][ C3] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.051878][ C3] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 44.052174][ C3] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 44.052408][ C3] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 44.052645][ C3] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 44.052874][ C3] ? find_held_lock+0x2c/0x110 [ 44.053167][ C3] ? __lock_release+0x103/0x460 [ 44.053362][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 44.053558][ C3] ? dev_queue_xmit_nit+0x759/0xad0 [ 44.053740][ C3] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 44.054057][ C3] ? dev_queue_xmit_nit+0x775/0xad0 [ 44.054252][ C3] dev_hard_start_xmit+0x10e/0x360 [ 44.054442][ C3] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 44.054671][ C3] __dev_queue_xmit+0xe69/0x16d0 [ 44.054855][ C3] ? do_raw_write_lock+0x122/0x3b0 [ 44.055035][ C3] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.055218][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 44.055405][ C3] ? ___neigh_create+0x7c6/0xe10 [ 44.055698][ C3] ? ___neigh_create+0x7c6/0xe10 [ 44.055884][ C3] ip_finish_output2+0x616/0x18e0 [ 44.056079][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 44.056308][ C3] ? __pfx_ip_finish_output2+0x10/0x10 [ 44.056599][ C3] ? __ip_finish_output+0x10f/0x770 [ 44.056779][ C3] ip_output+0x16b/0x4f0 [ 44.056915][ C3] ? __pfx_ip_output+0x10/0x10 [ 44.057098][ C3] ? pskb_expand_head+0x485/0x1020 [ 44.057280][ C3] ? ip_route_input_noref+0x10e/0x230 [ 44.057602][ C3] NF_HOOK.constprop.0+0x7e/0x320 [ 44.057787][ C3] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 44.057973][ C3] ? ip_forward+0xdc8/0x1a10 [ 44.058166][ C3] ip_rcv+0x62f/0x740 [ 44.058414][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 44.058597][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 44.058779][ C3] ? process_backlog+0x1f8/0x670 [ 44.058963][ C3] ? __pfx_ip_rcv+0x10/0x10 [ 44.059161][ C3] __netif_receive_skb_one_core+0x166/0x1b0 [ 44.059499][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 44.059723][ C3] ? process_backlog+0x1f8/0x670 [ 44.059902][ C3] ? lock_acquire+0x32/0xc0 [ 44.060192][ C3] ? process_backlog+0x1f8/0x670 [ 44.060377][ C3] process_backlog+0x103/0x670 [ 44.060559][ C3] ? find_held_lock+0x2c/0x110 [ 44.060751][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 44.060934][ C3] net_rx_action+0x49f/0xc00 [ 44.061232][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 44.061418][ C3] __do_softirq+0x1f8/0x5df [ 44.061602][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 44.061784][ C3] do_softirq+0x4d/0xa0 [ 44.062046][ C3] [ 44.062140][ C3] [ 44.062231][ C3] __local_bh_enable_ip+0xf6/0x120 [ 44.062414][ C3] ? __dev_queue_xmit+0x697/0x16d0 [ 44.062602][ C3] __dev_queue_xmit+0x6ac/0x16d0 [ 44.062790][ C3] ? packet_parse_headers+0x231/0x9d0 [ 44.062984][ C3] ? packet_parse_headers+0x231/0x9d0 [ 44.063166][ C3] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 44.063359][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 44.063552][ C3] ? dev_get_by_index+0x177/0x270 [ 44.063853][ C3] packet_snd+0xd08/0x1840 [ 44.064038][ C3] ? __pfx___lock_release+0x10/0x10 [ 44.064225][ C3] ? __pfx_packet_snd+0x10/0x10 [ 44.064406][ C3] ? __might_fault+0xc3/0x170 [ 44.064699][ C3] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 44.064972][ C3] ? __might_fault+0x11b/0x170 [ 44.065154][ C3] __sys_sendto+0x37d/0x410 [ 44.065338][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 44.065633][ C3] ? sock_ioctl+0x3bc/0x590 [ 44.065816][ C3] ? __might_fault+0xc3/0x170 [ 44.065999][ C3] ? trace_rseq_update+0xd2/0x130 [ 44.066195][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 44.066538][ C3] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 44.066762][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 44.066945][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 44.067288][ C3] do_syscall_64+0xc6/0x1e0 [ 44.067475][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.067704][ C3] RIP: 0033:0x7fe291cf085a [ 44.067896][ 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 [ 44.068769][ C3] RSP: 002b:00007ffe311a07e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 44.069044][ C3] RAX: ffffffffffffffda RBX: 000000003261d9d0 RCX: 00007fe291cf085a [ 44.069425][ C3] RDX: 0000000000000062 RSI: 000000003261d5c2 RDI: 0000000000000005 [ 44.069702][ C3] RBP: 000000003261d5c2 R08: 00007ffe311a07f0 R09: 0000000000000014 [ 44.070087][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.070359][ C3] R13: 0000000000000062 R14: 00007ffe311a07f0 R15: 0000000000000000 [ 44.070635][ C3]