[ 25.019641][ T236] ip (236) used greatest stack depth: 24240 bytes left [ 27.023666][ T267] ip (267) used greatest stack depth: 23696 bytes left [ 39.266136][ C0] [ 39.266280][ C0] ======================================================== [ 39.266516][ C0] WARNING: possible irq lock inversion dependency detected [ 39.266746][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 39.266913][ C0] -------------------------------------------------------- [ 39.267162][ C0] ping6/329 just changed the state of lock: [ 39.267354][ C0] ffff888007562580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 39.267647][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 39.267893][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 39.267897][ C0] [ 39.267897][ C0] [ 39.267897][ C0] and interrupts could create inverse lock ordering between them. [ 39.267897][ C0] [ 39.268517][ C0] [ 39.268517][ C0] other info that might help us debug this: [ 39.268758][ C0] Possible interrupt unsafe locking scenario: [ 39.268758][ C0] [ 39.268987][ C0] CPU0 CPU1 [ 39.269149][ C0] ---- ---- [ 39.269314][ C0] lock(&p->alloc_lock); [ 39.269437][ C0] local_irq_disable(); [ 39.269626][ C0] lock(&ndev->lock); [ 39.269816][ C0] lock(&p->alloc_lock); [ 39.270007][ C0] [ 39.270140][ C0] lock(&ndev->lock); [ 39.270280][ C0] [ 39.270280][ C0] *** DEADLOCK *** [ 39.270280][ C0] [ 39.270504][ C0] 5 locks held by ping6/329: [ 39.270661][ C0] #0: ffff8880053cc618 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 39.270941][ C0] #1: ffffffffb3f522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 39.271226][ C0] #2: ffffffffb3f522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 39.271506][ C0] #3: ffffffffb3f522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 39.271774][ C0] #4: ffffffffb3f522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 39.272044][ C0] [ 39.272044][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 39.272322][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 39.272482][ C0] HARDIRQ-ON-W at: [ 39.272602][ C0] __lock_acquire+0x797/0x1570 [ 39.272803][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.273000][ C0] _raw_spin_lock+0x30/0x40 [ 39.273222][ C0] set_mems_allowed+0x1d/0x210 [ 39.273419][ C0] kernel_init_freeable+0x72/0x310 [ 39.273622][ C0] kernel_init+0x20/0x200 [ 39.273816][ C0] ret_from_fork+0x31/0x70 [ 39.274016][ C0] ret_from_fork_asm+0x1a/0x30 [ 39.274252][ C0] SOFTIRQ-ON-W at: [ 39.274369][ C0] __lock_acquire+0x797/0x1570 [ 39.274564][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.274762][ C0] _raw_spin_lock+0x30/0x40 [ 39.274959][ C0] set_mems_allowed+0x1d/0x210 [ 39.275150][ C0] kernel_init_freeable+0x72/0x310 [ 39.275341][ C0] kernel_init+0x20/0x200 [ 39.275534][ C0] ret_from_fork+0x31/0x70 [ 39.275746][ C0] ret_from_fork_asm+0x1a/0x30 [ 39.275951][ C0] INITIAL USE at: [ 39.276070][ C0] __lock_acquire+0x797/0x1570 [ 39.276303][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.276497][ C0] _raw_spin_lock+0x30/0x40 [ 39.276702][ C0] set_mems_allowed+0x1d/0x210 [ 39.276907][ C0] kernel_init_freeable+0x72/0x310 [ 39.277105][ C0] kernel_init+0x20/0x200 [ 39.277334][ C0] ret_from_fork+0x31/0x70 [ 39.277542][ C0] ret_from_fork_asm+0x1a/0x30 [ 39.277739][ C0] } [ 39.277831][ C0] ... key at: [] __key.387+0x0/0x40 [ 39.278083][ C0] ... acquired at: [ 39.278217][ C0] __lock_acquire+0xaf0/0x1570 [ 39.278386][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.278545][ C0] _raw_spin_lock+0x30/0x40 [ 39.278716][ C0] __get_task_comm+0x27/0x70 [ 39.278874][ C0] ref_tracker_alloc+0x2ee/0x490 [ 39.279049][ C0] netdev_get_by_index+0x5e/0x80 [ 39.279220][ C0] fib6_nh_init+0x3d8/0x15b0 [ 39.279400][ C0] ip6_route_info_create+0xf18/0x17d0 [ 39.279572][ C0] addrconf_f6i_alloc+0x265/0x560 [ 39.279727][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 39.279905][ C0] addrconf_join_anycast+0x1c0/0x220 [ 39.280060][ C0] dev_forward_change+0x2a6/0x7b0 [ 39.280243][ C0] addrconf_fixup_forwarding+0x23f/0x460 [ 39.280436][ C0] addrconf_sysctl_forward+0x212/0x2b0 [ 39.280607][ C0] proc_sys_call_handler+0x403/0x5e0 [ 39.280766][ C0] vfs_write+0x9e5/0x10a0 [ 39.280939][ C0] ksys_write+0xf5/0x1e0 [ 39.281094][ C0] do_syscall_64+0xc6/0x1e0 [ 39.281282][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.281480][ C0] [ 39.281559][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 39.281721][ C0] HARDIRQ-ON-W at: [ 39.281837][ C0] __lock_acquire+0x797/0x1570 [ 39.282056][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.282283][ C0] _raw_write_lock_bh+0x38/0x50 [ 39.282502][ C0] addrconf_permanent_addr+0x6e/0x670 [ 39.282712][ C0] addrconf_notify+0x749/0xd60 [ 39.282917][ C0] notifier_call_chain+0xcd/0x150 [ 39.283132][ C0] __dev_notify_flags+0xe6/0x250 [ 39.283347][ C0] dev_change_flags+0xec/0x160 [ 39.283550][ C0] do_setlink+0x7d6/0x21e0 [ 39.283760][ C0] __rtnl_newlink+0xaa7/0xd80 [ 39.283969][ C0] rtnl_newlink+0x63/0xa0 [ 39.284182][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.284398][ C0] netlink_rcv_skb+0x130/0x360 [ 39.284594][ C0] netlink_unicast+0x449/0x710 [ 39.284801][ C0] netlink_sendmsg+0x723/0xbe0 [ 39.284993][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 39.285217][ C0] ___sys_sendmsg+0xee/0x170 [ 39.285418][ C0] __sys_sendmsg+0xcd/0x170 [ 39.285631][ C0] do_syscall_64+0xc6/0x1e0 [ 39.285834][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.286080][ C0] HARDIRQ-ON-R at: [ 39.286239][ C0] __lock_acquire+0x797/0x1570 [ 39.286436][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.286643][ C0] _raw_read_lock_bh+0x44/0x80 [ 39.286841][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.287053][ C0] inet6_fill_link_af+0x5e/0xe0 [ 39.287286][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 39.287484][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.287797][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.288046][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 39.288265][ C0] register_netdevice+0x1177/0x1690 [ 39.288473][ C0] register_netdev+0x20/0x40 [ 39.288682][ C0] sit_init_net+0x250/0x4f0 [ 39.288882][ C0] ops_init+0x9b/0x560 [ 39.289037][ C0] register_pernet_operations+0x2db/0x710 [ 39.289400][ C0] register_pernet_device+0x2a/0x60 [ 39.289610][ C0] sit_init+0x23/0xe0 [ 39.289767][ C0] do_one_initcall+0x8d/0x1e0 [ 39.290225][ C0] do_initcalls+0x1b2/0x3e0 [ 39.290424][ C0] kernel_init_freeable+0x232/0x310 [ 39.290629][ C0] kernel_init+0x20/0x200 [ 39.290827][ C0] ret_from_fork+0x31/0x70 [ 39.291137][ C0] ret_from_fork_asm+0x1a/0x30 [ 39.291341][ C0] IN-SOFTIRQ-R at: [ 39.291462][ C0] __lock_acquire+0x797/0x1570 [ 39.291678][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.291988][ C0] _raw_read_lock_bh+0x44/0x80 [ 39.292209][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 39.292401][ C0] ndisc_send_ns+0xe7/0x100 [ 39.292720][ C0] ndisc_solicit+0x2ae/0x4d0 [ 39.292913][ C0] neigh_probe+0xaa/0xf0 [ 39.293107][ C0] __neigh_event_send+0x7af/0xfe0 [ 39.293312][ C0] neigh_resolve_output+0x470/0x7c0 [ 39.293504][ C0] ip6_finish_output2+0x4ab/0xf80 [ 39.293708][ C0] ip6_finish_output+0x4ed/0xd30 [ 39.293913][ C0] ip6_output+0x1f3/0x770 [ 39.294114][ C0] ip6_forward+0xf29/0x2980 [ 39.294333][ C0] ipv6_rcv+0x626/0x810 [ 39.294528][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 39.294863][ C0] process_backlog+0x103/0x670 [ 39.295059][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 39.295287][ C0] net_rx_action+0x49f/0xc00 [ 39.295580][ C0] __do_softirq+0x1f8/0x5df [ 39.295775][ C0] do_softirq+0x4d/0xa0 [ 39.295972][ C0] __local_bh_enable_ip+0xf6/0x120 [ 39.296174][ C0] __neigh_event_send+0x2e4/0xfe0 [ 39.296467][ C0] neigh_resolve_output+0x470/0x7c0 [ 39.296659][ C0] ip6_finish_output2+0x4ab/0xf80 [ 39.296856][ C0] ip6_finish_output+0x4ed/0xd30 [ 39.297154][ C0] ip6_output+0x1f3/0x770 [ 39.297348][ C0] ip6_send_skb+0xbd/0x280 [ 39.297541][ C0] rawv6_push_pending_frames+0x518/0x9d0 [ 39.297872][ C0] rawv6_sendmsg+0x1287/0x17d0 [ 39.298067][ C0] __sys_sendto+0x332/0x410 [ 39.298292][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 39.298505][ C0] do_syscall_64+0xc6/0x1e0 [ 39.298802][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.299054][ C0] INITIAL USE at: [ 39.299208][ C0] __lock_acquire+0x797/0x1570 [ 39.299429][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.299622][ C0] _raw_write_lock_bh+0x38/0x50 [ 39.299832][ C0] addrconf_permanent_addr+0x6e/0x670 [ 39.300025][ C0] addrconf_notify+0x749/0xd60 [ 39.300348][ C0] notifier_call_chain+0xcd/0x150 [ 39.300545][ C0] __dev_notify_flags+0xe6/0x250 [ 39.300738][ C0] dev_change_flags+0xec/0x160 [ 39.301046][ C0] do_setlink+0x7d6/0x21e0 [ 39.301263][ C0] __rtnl_newlink+0xaa7/0xd80 [ 39.301459][ C0] rtnl_newlink+0x63/0xa0 [ 39.301672][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.301982][ C0] netlink_rcv_skb+0x130/0x360 [ 39.302183][ C0] netlink_unicast+0x449/0x710 [ 39.302391][ C0] netlink_sendmsg+0x723/0xbe0 [ 39.302788][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 39.302985][ C0] ___sys_sendmsg+0xee/0x170 [ 39.303203][ C0] __sys_sendmsg+0xcd/0x170 [ 39.303419][ C0] do_syscall_64+0xc6/0x1e0 [ 39.303615][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.303861][ C0] INITIAL READ USE at: [ 39.304003][ C0] __lock_acquire+0x797/0x1570 [ 39.304330][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.304524][ C0] _raw_read_lock_bh+0x44/0x80 [ 39.304717][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.305067][ C0] inet6_fill_link_af+0x5e/0xe0 [ 39.305274][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 39.305489][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.305861][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.306126][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 39.306370][ C0] register_netdevice+0x1177/0x1690 [ 39.306731][ C0] register_netdev+0x20/0x40 [ 39.306932][ C0] sit_init_net+0x250/0x4f0 [ 39.307154][ C0] ops_init+0x9b/0x560 [ 39.307378][ C0] register_pernet_operations+0x2db/0x710 [ 39.307635][ C0] register_pernet_device+0x2a/0x60 [ 39.307892][ C0] sit_init+0x23/0xe0 [ 39.308113][ C0] do_one_initcall+0x8d/0x1e0 [ 39.308472][ C0] do_initcalls+0x1b2/0x3e0 [ 39.308698][ C0] kernel_init_freeable+0x232/0x310 [ 39.308966][ C0] kernel_init+0x20/0x200 [ 39.309302][ C0] ret_from_fork+0x31/0x70 [ 39.309533][ C0] ret_from_fork_asm+0x1a/0x30 [ 39.309740][ C0] } [ 39.309839][ C0] ... key at: [] __key.37+0x0/0x40 [ 39.310214][ C0] ... acquired at: [ 39.310337][ C0] mark_lock+0x28d/0x3e0 [ 39.310522][ C0] mark_usage+0xd9/0x2a0 [ 39.310688][ C0] __lock_acquire+0x797/0x1570 [ 39.310954][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.311123][ C0] _raw_read_lock_bh+0x44/0x80 [ 39.311308][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 39.311473][ C0] ndisc_send_ns+0xe7/0x100 [ 39.311736][ C0] ndisc_solicit+0x2ae/0x4d0 [ 39.311903][ C0] neigh_probe+0xaa/0xf0 [ 39.312068][ C0] __neigh_event_send+0x7af/0xfe0 [ 39.312274][ C0] neigh_resolve_output+0x470/0x7c0 [ 39.312442][ C0] ip6_finish_output2+0x4ab/0xf80 [ 39.312704][ C0] ip6_finish_output+0x4ed/0xd30 [ 39.312868][ C0] ip6_output+0x1f3/0x770 [ 39.313031][ C0] ip6_forward+0xf29/0x2980 [ 39.313206][ C0] ipv6_rcv+0x626/0x810 [ 39.313448][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 39.313654][ C0] process_backlog+0x103/0x670 [ 39.313825][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 39.313989][ C0] net_rx_action+0x49f/0xc00 [ 39.314266][ C0] __do_softirq+0x1f8/0x5df [ 39.314431][ C0] do_softirq+0x4d/0xa0 [ 39.314556][ C0] __local_bh_enable_ip+0xf6/0x120 [ 39.314721][ C0] __neigh_event_send+0x2e4/0xfe0 [ 39.314886][ C0] neigh_resolve_output+0x470/0x7c0 [ 39.315165][ C0] ip6_finish_output2+0x4ab/0xf80 [ 39.315337][ C0] ip6_finish_output+0x4ed/0xd30 [ 39.315504][ C0] ip6_output+0x1f3/0x770 [ 39.315671][ C0] ip6_send_skb+0xbd/0x280 [ 39.316037][ C0] rawv6_push_pending_frames+0x518/0x9d0 [ 39.316277][ C0] rawv6_sendmsg+0x1287/0x17d0 [ 39.316444][ C0] __sys_sendto+0x332/0x410 [ 39.316615][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 39.316886][ C0] do_syscall_64+0xc6/0x1e0 [ 39.317056][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.317272][ C0] [ 39.317356][ C0] [ 39.317356][ C0] stack backtrace: [ 39.317661][ C0] CPU: 0 PID: 329 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 39.317905][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.318278][ C0] Call Trace: [ 39.318420][ C0] [ 39.318511][ C0] dump_stack_lvl+0x82/0xd0 [ 39.318701][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 39.318925][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 39.319273][ C0] ? __pfx_usage_skip+0x10/0x10 [ 39.319451][ C0] ? __pfx_usage_match+0x10/0x10 [ 39.319617][ C0] ? arch_stack_walk+0xa2/0xf0 [ 39.319799][ C0] mark_lock_irq+0x4cd/0xa10 [ 39.320081][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 39.320272][ C0] ? stack_trace_save+0x94/0xd0 [ 39.320446][ C0] ? save_trace+0x8f/0x5b0 [ 39.320612][ C0] mark_lock+0x28d/0x3e0 [ 39.320737][ C0] mark_usage+0xd9/0x2a0 [ 39.320962][ C0] __lock_acquire+0x797/0x1570 [ 39.321136][ C0] lock_acquire.part.0+0xeb/0x330 [ 39.321305][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.321471][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 39.321735][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 39.321904][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.322067][ C0] ? lock_acquire+0x32/0xc0 [ 39.322239][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.322404][ C0] _raw_read_lock_bh+0x44/0x80 [ 39.322670][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 39.322830][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 39.322990][ C0] ndisc_send_ns+0xe7/0x100 [ 39.323168][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 39.323433][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 39.323644][ C0] ndisc_solicit+0x2ae/0x4d0 [ 39.323810][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 39.323977][ C0] ? neigh_probe+0x57/0xf0 [ 39.324277][ C0] neigh_probe+0xaa/0xf0 [ 39.324405][ C0] __neigh_event_send+0x7af/0xfe0 [ 39.324574][ C0] neigh_resolve_output+0x470/0x7c0 [ 39.324739][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 39.325005][ C0] ? ___neigh_create+0x7c6/0xe10 [ 39.325205][ C0] ip6_finish_output2+0x4ab/0xf80 [ 39.325374][ C0] ip6_finish_output+0x4ed/0xd30 [ 39.325541][ C0] ip6_output+0x1f3/0x770 [ 39.325669][ C0] ? __pfx_ip6_output+0x10/0x10 [ 39.325940][ C0] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 39.326154][ C0] ip6_forward+0xf29/0x2980 [ 39.326320][ C0] ? ip6_route_input+0x5a4/0xa50 [ 39.326506][ C0] ? __pfx_ip6_forward+0x10/0x10 [ 39.326797][ C0] ? ip6_rcv_core+0x9e5/0x1ae0 [ 39.326964][ C0] ? ipv6_rcv+0x626/0x810 [ 39.327107][ C0] ipv6_rcv+0x626/0x810 [ 39.327245][ C0] ? __pfx_ipv6_rcv+0x10/0x10 [ 39.327443][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 39.327674][ C0] ? process_backlog+0x1f8/0x670 [ 39.327933][ C0] ? __pfx_ipv6_rcv+0x10/0x10 [ 39.328195][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 39.328524][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 39.329058][ C0] ? process_backlog+0x1f8/0x670 [ 39.329334][ C0] ? lock_acquire+0x32/0xc0 [ 39.329600][ C0] ? process_backlog+0x1f8/0x670 [ 39.329878][ C0] process_backlog+0x103/0x670 [ 39.330156][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 39.330435][ C0] net_rx_action+0x49f/0xc00 [ 39.330707][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 39.330980][ C0] ? usage_skip+0x180/0x190 [ 39.331446][ C0] ? mark_held_locks+0x9e/0xe0 [ 39.331723][ C0] __do_softirq+0x1f8/0x5df [ 39.331991][ C0] ? __neigh_event_send+0x2df/0xfe0 [ 39.332262][ C0] do_softirq+0x4d/0xa0 [ 39.332654][ C0] [ 39.332786][ C0] [ 39.332923][ C0] __local_bh_enable_ip+0xf6/0x120 [ 39.333188][ C0] __neigh_event_send+0x2e4/0xfe0 [ 39.333364][ C0] neigh_resolve_output+0x470/0x7c0 [ 39.333556][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 39.333726][ C0] ? ___neigh_create+0x7c6/0xe10 [ 39.333906][ C0] ip6_finish_output2+0x4ab/0xf80 [ 39.334083][ C0] ip6_finish_output+0x4ed/0xd30 [ 39.334272][ C0] ip6_output+0x1f3/0x770 [ 39.334402][ C0] ? __pfx_ip6_output+0x10/0x10 [ 39.334581][ C0] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 39.334770][ C0] ? ip6_local_out+0x25/0x3b0 [ 39.334958][ C0] ip6_send_skb+0xbd/0x280 [ 39.335261][ C0] rawv6_push_pending_frames+0x518/0x9d0 [ 39.335430][ C0] ? __pfx_raw6_getfrag+0x10/0x10 [ 39.335599][ C0] ? ip6_append_data+0x185/0x540 [ 39.335763][ C0] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 39.336073][ C0] rawv6_sendmsg+0x1287/0x17d0 [ 39.336253][ C0] ? __pfx_validate_chain+0x10/0x10 [ 39.336436][ C0] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 39.336603][ C0] ? __lock_acquire+0xaf0/0x1570 [ 39.336785][ C0] ? find_held_lock+0x2c/0x110 [ 39.337055][ C0] ? __might_fault+0x11b/0x170 [ 39.337250][ C0] ? lock_acquire+0x32/0xc0 [ 39.337428][ C0] ? __might_fault+0xc3/0x170 [ 39.337599][ C0] ? __might_fault+0x11b/0x170 [ 39.337869][ C0] ? __sys_sendto+0x332/0x410 [ 39.338036][ C0] __sys_sendto+0x332/0x410 [ 39.338227][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 39.338408][ C0] ? do_user_addr_fault+0x449/0xbe0 [ 39.338681][ C0] ? reacquire_held_locks+0x22f/0x4f0 [ 39.338850][ C0] ? __lock_release+0x103/0x460 [ 39.339040][ C0] ? do_user_addr_fault+0x4b8/0xbe0 [ 39.339243][ C0] ? __up_read+0x1a7/0x780 [ 39.339419][ C0] ? __pfx___up_read+0x10/0x10 [ 39.339574][ C0] ? do_user_addr_fault+0x4b8/0xbe0 [ 39.339727][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 39.339881][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 39.340190][ C0] do_syscall_64+0xc6/0x1e0 [ 39.340345][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.340536][ C0] RIP: 0033:0x7f747993485a [ 39.340698][ 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 [ 39.341355][ C0] RSP: 002b:00007ffcf5b38228 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 39.341592][ C0] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f747993485a [ 39.341927][ C0] RDX: 0000000000000040 RSI: 0000000025c27340 RDI: 0000000000000005 [ 39.342180][ C0] RBP: 00007ffcf5b382b0 R08: 0000000000418574 R09: 000000000000001c [ 39.342410][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 39.342643][ C0] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f7479a5a000 [ 39.342880][ C0]