[ 30.685635][ T316] 8021q: 802.1Q VLAN Support v1.8 [ 31.257872][ T321] gre: GRE over IPv4 demultiplexor driver [ 31.302952][ T321] ip6_gre: GRE over IPv6 tunneling driver [ 31.459982][ T325] ip (325) used greatest stack depth: 24120 bytes left [ 34.244764][ T351] ip (351) used greatest stack depth: 23232 bytes left [ 42.437236][ T395] GACT probability NOT on [ 42.978999][ C1] [ 42.979128][ C1] ======================================================== [ 42.979409][ C1] WARNING: possible irq lock inversion dependency detected [ 42.979677][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 42.979859][ C1] -------------------------------------------------------- [ 42.980135][ C1] mausezahn/398 just changed the state of lock: [ 42.980362][ C1] ffff888007658d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 42.980694][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 42.980962][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 42.980966][ C1] [ 42.980966][ C1] [ 42.980966][ C1] and interrupts could create inverse lock ordering between them. [ 42.980966][ C1] [ 42.981632][ C1] [ 42.981632][ C1] other info that might help us debug this: [ 42.981902][ C1] Possible interrupt unsafe locking scenario: [ 42.981902][ C1] [ 42.982168][ C1] CPU0 CPU1 [ 42.982347][ C1] ---- ---- [ 42.982540][ C1] lock(&p->alloc_lock); [ 42.982690][ C1] local_irq_disable(); [ 42.982916][ C1] lock(&ndev->lock); [ 42.983144][ C1] lock(&p->alloc_lock); [ 42.983371][ C1] [ 42.983509][ C1] lock(&ndev->lock); [ 42.983646][ C1] [ 42.983646][ C1] *** DEADLOCK *** [ 42.983646][ C1] [ 42.983918][ C1] 5 locks held by mausezahn/398: [ 42.984107][ C1] #0: ffffffffba3522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 42.984434][ C1] #1: ffffffffba3522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 42.984752][ C1] #2: ffffffffba352280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 42.985080][ C1] #3: ffffffffba3522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 42.985402][ C1] #4: ffffffffba3522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 42.985719][ C1] [ 42.985719][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 42.986034][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 42.986218][ C1] HARDIRQ-ON-W at: [ 42.986355][ C1] __lock_acquire+0x797/0x1570 [ 42.986588][ C1] lock_acquire.part.0+0xeb/0x330 [ 42.986814][ C1] _raw_spin_lock+0x30/0x40 [ 42.987041][ C1] set_mems_allowed+0x1d/0x210 [ 42.987276][ C1] kernel_init_freeable+0x72/0x310 [ 42.987506][ C1] kernel_init+0x20/0x200 [ 42.987732][ C1] ret_from_fork+0x31/0x70 [ 42.987960][ C1] ret_from_fork_asm+0x1a/0x30 [ 42.988187][ C1] SOFTIRQ-ON-W at: [ 42.988321][ C1] __lock_acquire+0x797/0x1570 [ 42.988565][ C1] lock_acquire.part.0+0xeb/0x330 [ 42.988795][ C1] _raw_spin_lock+0x30/0x40 [ 42.989023][ C1] set_mems_allowed+0x1d/0x210 [ 42.989251][ C1] kernel_init_freeable+0x72/0x310 [ 42.989484][ C1] kernel_init+0x20/0x200 [ 42.989711][ C1] ret_from_fork+0x31/0x70 [ 42.989941][ C1] ret_from_fork_asm+0x1a/0x30 [ 42.990165][ C1] INITIAL USE at: [ 42.990301][ C1] __lock_acquire+0x797/0x1570 [ 42.990527][ C1] lock_acquire.part.0+0xeb/0x330 [ 42.990754][ C1] _raw_spin_lock+0x30/0x40 [ 42.990977][ C1] set_mems_allowed+0x1d/0x210 [ 42.991212][ C1] kernel_init_freeable+0x72/0x310 [ 42.991436][ C1] kernel_init+0x20/0x200 [ 42.991668][ C1] ret_from_fork+0x31/0x70 [ 42.991896][ C1] ret_from_fork_asm+0x1a/0x30 [ 42.992126][ C1] } [ 42.992221][ C1] ... key at: [] __key.387+0x0/0x40 [ 42.992495][ C1] ... acquired at: [ 42.992629][ C1] __lock_acquire+0xaf0/0x1570 [ 42.992813][ C1] lock_acquire.part.0+0xeb/0x330 [ 42.992993][ C1] _raw_spin_lock+0x30/0x40 [ 42.993175][ C1] __get_task_comm+0x27/0x70 [ 42.993355][ C1] ref_tracker_alloc+0x2ee/0x490 [ 42.993542][ C1] netdev_get_by_index+0x5e/0x80 [ 42.993728][ C1] fib6_nh_init+0x3d8/0x15b0 [ 42.993909][ C1] ip6_route_info_create+0xf18/0x17d0 [ 42.994088][ C1] addrconf_f6i_alloc+0x265/0x560 [ 42.994269][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 42.994451][ C1] addrconf_join_anycast+0x1c0/0x220 [ 42.994632][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 42.994816][ C1] addrconf_dad_completed+0x12b/0xe20 [ 42.994995][ C1] addrconf_dad_work+0x38c/0xab0 [ 42.995177][ C1] process_one_work+0xe2c/0x1730 [ 42.995361][ C1] worker_thread+0x587/0xd30 [ 42.995541][ C1] kthread+0x28a/0x350 [ 42.995678][ C1] ret_from_fork+0x31/0x70 [ 42.995857][ C1] ret_from_fork_asm+0x1a/0x30 [ 42.996037][ C1] [ 42.996128][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 42.996314][ C1] HARDIRQ-ON-W at: [ 42.996450][ C1] __lock_acquire+0x797/0x1570 [ 42.996676][ C1] lock_acquire.part.0+0xeb/0x330 [ 42.996901][ C1] _raw_write_lock_bh+0x38/0x50 [ 42.997126][ C1] addrconf_permanent_addr+0x6e/0x670 [ 42.997355][ C1] addrconf_notify+0x749/0xd60 [ 42.997584][ C1] notifier_call_chain+0xcd/0x150 [ 42.997810][ C1] __dev_notify_flags+0xe6/0x250 [ 42.998033][ C1] dev_change_flags+0xec/0x160 [ 42.998258][ C1] do_setlink+0x7d6/0x21e0 [ 42.998482][ C1] __rtnl_newlink+0xaa7/0xd80 [ 42.998732][ C1] rtnl_newlink+0x63/0xa0 [ 42.998958][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 42.999189][ C1] netlink_rcv_skb+0x130/0x360 [ 42.999414][ C1] netlink_unicast+0x449/0x710 [ 42.999637][ C1] netlink_sendmsg+0x723/0xbe0 [ 42.999863][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.000088][ C1] ___sys_sendmsg+0xee/0x170 [ 43.000314][ C1] __sys_sendmsg+0xcd/0x170 [ 43.000539][ C1] do_syscall_64+0xc6/0x1e0 [ 43.000768][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.001043][ C1] HARDIRQ-ON-R at: [ 43.001180][ C1] __lock_acquire+0x797/0x1570 [ 43.001413][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.001638][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.001868][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.002098][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.002322][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.002544][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.002768][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.003037][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.003268][ C1] register_netdevice+0x1177/0x1690 [ 43.003496][ C1] register_netdev+0x20/0x40 [ 43.003721][ C1] sit_init_net+0x250/0x4f0 [ 43.003945][ C1] ops_init+0x9b/0x560 [ 43.004134][ C1] register_pernet_operations+0x2db/0x710 [ 43.004405][ C1] register_pernet_device+0x2a/0x60 [ 43.004631][ C1] sit_init+0x23/0xe0 [ 43.004817][ C1] do_one_initcall+0x8d/0x1e0 [ 43.005042][ C1] do_initcalls+0x1b2/0x3e0 [ 43.005267][ C1] kernel_init_freeable+0x232/0x310 [ 43.005491][ C1] kernel_init+0x20/0x200 [ 43.005723][ C1] ret_from_fork+0x31/0x70 [ 43.005954][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.006180][ C1] IN-SOFTIRQ-R at: [ 43.006319][ C1] __lock_acquire+0x797/0x1570 [ 43.006553][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.006778][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.007004][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.007227][ C1] ndisc_send_ns+0xe7/0x100 [ 43.007454][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.007677][ C1] neigh_probe+0xaa/0xf0 [ 43.007906][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.008138][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.008372][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.008611][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.008835][ C1] ip6_output+0x1f3/0x770 [ 43.009068][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.009354][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.009628][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.009862][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.010134][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.010360][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.010593][ C1] ip_finish_output2+0x616/0x18e0 [ 43.010817][ C1] ip_output+0x16b/0x4f0 [ 43.011041][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.011272][ C1] ip_rcv+0x62f/0x740 [ 43.011569][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.011841][ C1] process_backlog+0x103/0x670 [ 43.012065][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.012294][ C1] net_rx_action+0x49f/0xc00 [ 43.012519][ C1] __do_softirq+0x1f8/0x5df [ 43.012744][ C1] do_softirq+0x4d/0xa0 [ 43.012970][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.013309][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.013536][ C1] packet_snd+0xd08/0x1840 [ 43.013766][ C1] __sys_sendto+0x37d/0x410 [ 43.014102][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.014331][ C1] do_syscall_64+0xc6/0x1e0 [ 43.014555][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.014933][ C1] INITIAL USE at: [ 43.015069][ C1] __lock_acquire+0x797/0x1570 [ 43.015292][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.015519][ C1] _raw_write_lock_bh+0x38/0x50 [ 43.015855][ C1] addrconf_permanent_addr+0x6e/0x670 [ 43.016078][ C1] addrconf_notify+0x749/0xd60 [ 43.016301][ C1] notifier_call_chain+0xcd/0x150 [ 43.016530][ C1] __dev_notify_flags+0xe6/0x250 [ 43.016864][ C1] dev_change_flags+0xec/0x160 [ 43.017094][ C1] do_setlink+0x7d6/0x21e0 [ 43.017317][ C1] __rtnl_newlink+0xaa7/0xd80 [ 43.017659][ C1] rtnl_newlink+0x63/0xa0 [ 43.017882][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.018105][ C1] netlink_rcv_skb+0x130/0x360 [ 43.018330][ C1] netlink_unicast+0x449/0x710 [ 43.018567][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.018797][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.019022][ C1] ___sys_sendmsg+0xee/0x170 [ 43.019352][ C1] __sys_sendmsg+0xcd/0x170 [ 43.019558][ C1] do_syscall_64+0xc6/0x1e0 [ 43.019764][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.020123][ C1] INITIAL READ USE at: [ 43.020252][ C1] __lock_acquire+0x797/0x1570 [ 43.020463][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.020669][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.020985][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 43.021233][ C1] inet6_fill_link_af+0x5e/0xe0 [ 43.021440][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 43.021764][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 43.022010][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 43.022267][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 43.022589][ C1] register_netdevice+0x1177/0x1690 [ 43.022836][ C1] register_netdev+0x20/0x40 [ 43.023042][ C1] sit_init_net+0x250/0x4f0 [ 43.023258][ C1] ops_init+0x9b/0x560 [ 43.023466][ C1] register_pernet_operations+0x2db/0x710 [ 43.023713][ C1] register_pernet_device+0x2a/0x60 [ 43.024071][ C1] sit_init+0x23/0xe0 [ 43.024281][ C1] do_one_initcall+0x8d/0x1e0 [ 43.024488][ C1] do_initcalls+0x1b2/0x3e0 [ 43.024707][ C1] kernel_init_freeable+0x232/0x310 [ 43.025067][ C1] kernel_init+0x20/0x200 [ 43.025279][ C1] ret_from_fork+0x31/0x70 [ 43.025488][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.025806][ C1] } [ 43.025891][ C1] ... key at: [] __key.37+0x0/0x40 [ 43.026137][ C1] ... acquired at: [ 43.026276][ C1] mark_lock+0x28d/0x3e0 [ 43.026568][ C1] mark_usage+0xd9/0x2a0 [ 43.026733][ C1] __lock_acquire+0x797/0x1570 [ 43.026899][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.027072][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.027238][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.027401][ C1] ndisc_send_ns+0xe7/0x100 [ 43.027567][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.027730][ C1] neigh_probe+0xaa/0xf0 [ 43.027901][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.028080][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.028244][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.028409][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.028583][ C1] ip6_output+0x1f3/0x770 [ 43.028748][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.028970][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.029185][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.029358][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.029569][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.029734][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.029908][ C1] ip_finish_output2+0x616/0x18e0 [ 43.030171][ C1] ip_output+0x16b/0x4f0 [ 43.030436][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.030707][ C1] ip_rcv+0x62f/0x740 [ 43.030907][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.031238][ C1] process_backlog+0x103/0x670 [ 43.031504][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.031768][ C1] net_rx_action+0x49f/0xc00 [ 43.032035][ C1] __do_softirq+0x1f8/0x5df [ 43.032270][ C1] do_softirq+0x4d/0xa0 [ 43.032399][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.032573][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.032740][ C1] packet_snd+0xd08/0x1840 [ 43.032907][ C1] __sys_sendto+0x37d/0x410 [ 43.033074][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.033241][ C1] do_syscall_64+0xc6/0x1e0 [ 43.033407][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.033621][ C1] [ 43.033704][ C1] [ 43.033704][ C1] stack backtrace: [ 43.033910][ C1] CPU: 1 PID: 398 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.034165][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.034533][ C1] Call Trace: [ 43.034659][ C1] [ 43.034746][ C1] dump_stack_lvl+0x82/0xd0 [ 43.034914][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.035126][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.035339][ C1] ? __pfx_usage_skip+0x10/0x10 [ 43.035504][ C1] ? __pfx_usage_match+0x10/0x10 [ 43.035668][ C1] ? arch_stack_walk+0xa2/0xf0 [ 43.035834][ C1] mark_lock_irq+0x4cd/0xa10 [ 43.036000][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.036172][ C1] ? stack_trace_save+0x94/0xd0 [ 43.036341][ C1] ? save_trace+0x8f/0x5b0 [ 43.036507][ C1] mark_lock+0x28d/0x3e0 [ 43.036636][ C1] mark_usage+0xd9/0x2a0 [ 43.036765][ C1] __lock_acquire+0x797/0x1570 [ 43.036933][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.037101][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.037268][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.037437][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 43.037602][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.037766][ C1] ? lock_acquire+0x32/0xc0 [ 43.037932][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.038100][ C1] _raw_read_lock_bh+0x44/0x80 [ 43.038270][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 43.038434][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 43.038609][ C1] ndisc_send_ns+0xe7/0x100 [ 43.038777][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 43.038942][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 43.039148][ C1] ndisc_solicit+0x2ae/0x4d0 [ 43.039313][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 43.039481][ C1] ? neigh_probe+0x57/0xf0 [ 43.039652][ C1] neigh_probe+0xaa/0xf0 [ 43.039778][ C1] __neigh_event_send+0x7af/0xfe0 [ 43.039949][ C1] ? do_raw_write_lock+0xe1/0x3b0 [ 43.040114][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.040281][ C1] neigh_resolve_output+0x470/0x7c0 [ 43.040453][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 43.040618][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.040785][ C1] ip6_finish_output2+0x4ab/0xf80 [ 43.040952][ C1] ip6_finish_output+0x4ed/0xd30 [ 43.041123][ C1] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 43.041290][ C1] ip6_output+0x1f3/0x770 [ 43.041417][ C1] ? __pfx_ip6_output+0x10/0x10 [ 43.041587][ C1] ? ip6_make_flowlabel.constprop.0+0x1c4/0x2f0 [ip6_tunnel] [ 43.041843][ C1] ? __pfx_ip6_make_flowlabel.constprop.0+0x10/0x10 [ip6_tunnel] [ 43.042096][ C1] ? ip6_local_out+0x25/0x3b0 [ 43.042269][ C1] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 43.042487][ C1] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 43.042709][ C1] ? __kasan_kmalloc+0x7f/0x90 [ 43.042875][ C1] ? trace_kmalloc+0x2a/0xe0 [ 43.043044][ C1] ? sk_getsockopt+0x2048/0x2c40 [ 43.043223][ C1] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 43.043434][ C1] ? pskb_expand_head+0x4ac/0x1020 [ 43.043601][ C1] ? __pfx_pskb_expand_head+0x10/0x10 [ 43.043765][ C1] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 43.043978][ C1] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.044149][ C1] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 43.044323][ C1] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 43.044541][ C1] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 43.044762][ C1] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 43.044980][ C1] ? find_held_lock+0x2c/0x110 [ 43.045151][ C1] ? __lock_release+0x103/0x460 [ 43.045322][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.045491][ C1] ? dev_queue_xmit_nit+0x759/0xad0 [ 43.045655][ C1] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 43.045821][ C1] ? dev_queue_xmit_nit+0x775/0xad0 [ 43.045988][ C1] dev_hard_start_xmit+0x10e/0x360 [ 43.046265][ C1] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 43.046470][ C1] __dev_queue_xmit+0xe69/0x16d0 [ 43.046638][ C1] ? do_raw_write_lock+0x122/0x3b0 [ 43.046804][ C1] ? __pfx_do_raw_write_lock+0x10/0x10 [ 43.047084][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.047249][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.047414][ C1] ? ___neigh_create+0x7c6/0xe10 [ 43.047580][ C1] ip_finish_output2+0x616/0x18e0 [ 43.047855][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 43.048060][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 43.048228][ C1] ? __ip_finish_output+0x10f/0x770 [ 43.048404][ C1] ip_output+0x16b/0x4f0 [ 43.048652][ C1] ? __pfx_ip_output+0x10/0x10 [ 43.048824][ C1] ? pskb_expand_head+0x485/0x1020 [ 43.048993][ C1] ? ip_route_input_noref+0x10e/0x230 [ 43.049159][ C1] NF_HOOK.constprop.0+0x7e/0x320 [ 43.049439][ C1] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 43.049606][ C1] ? ip_forward+0xdc8/0x1a10 [ 43.049775][ C1] ip_rcv+0x62f/0x740 [ 43.049900][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.050068][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 43.050234][ C1] ? process_backlog+0x1f8/0x670 [ 43.050399][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 43.050575][ C1] __netif_receive_skb_one_core+0x166/0x1b0 [ 43.050780][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 43.050985][ C1] ? process_backlog+0x1f8/0x670 [ 43.051169][ C1] ? lock_acquire+0x32/0xc0 [ 43.051335][ C1] ? process_backlog+0x1f8/0x670 [ 43.051502][ C1] process_backlog+0x103/0x670 [ 43.051783][ C1] ? find_held_lock+0x2c/0x110 [ 43.051956][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 43.052123][ C1] net_rx_action+0x49f/0xc00 [ 43.052291][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 43.052574][ C1] __do_softirq+0x1f8/0x5df [ 43.052746][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.052915][ C1] do_softirq+0x4d/0xa0 [ 43.053039][ C1] [ 43.053124][ C1] [ 43.053208][ C1] __local_bh_enable_ip+0xf6/0x120 [ 43.053372][ C1] ? __dev_queue_xmit+0x697/0x16d0 [ 43.053536][ C1] __dev_queue_xmit+0x6ac/0x16d0 [ 43.053701][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.053865][ C1] ? packet_parse_headers+0x231/0x9d0 [ 43.054034][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 43.054206][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 43.054371][ C1] ? dev_get_by_index+0x177/0x270 [ 43.054544][ C1] packet_snd+0xd08/0x1840 [ 43.054820][ C1] ? __pfx___lock_release+0x10/0x10 [ 43.054986][ C1] ? __pfx_packet_snd+0x10/0x10 [ 43.055152][ C1] ? __might_fault+0xc3/0x170 [ 43.055317][ C1] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 43.055677][ C1] ? __might_fault+0x11b/0x170 [ 43.055842][ C1] __sys_sendto+0x37d/0x410 [ 43.056008][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 43.056180][ C1] ? sock_ioctl+0x3bc/0x590 [ 43.056456][ C1] ? __might_fault+0xc3/0x170 [ 43.056621][ C1] ? trace_rseq_update+0xd2/0x130 [ 43.056787][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 43.056992][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 43.057202][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.057367][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 43.057578][ C1] do_syscall_64+0xc6/0x1e0 [ 43.057743][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.058060][ C1] RIP: 0033:0x7f1649a9d85a [ 43.058231][ C1] 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 [ 43.059052][ C1] RSP: 002b:00007fff86ae15d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 43.059302][ C1] RAX: ffffffffffffffda RBX: 000000001bd849d0 RCX: 00007f1649a9d85a [ 43.059550][ C1] RDX: 0000000000000062 RSI: 000000001bd845c2 RDI: 0000000000000005 [ 43.059909][ C1] RBP: 000000001bd845c2 R08: 00007fff86ae15e0 R09: 0000000000000014 [ 43.060158][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.060521][ C1] R13: 0000000000000062 R14: 00007fff86ae15e0 R15: 0000000000000000 [ 43.060772][ C1]