[ 157.309322][ T1051] sctp: Hash tables configured (bind 32/56) [ 162.140171][ T1088] [ 162.140322][ T1088] ===================================================== [ 162.140536][ T1088] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 162.140777][ T1088] 6.9.0-rc1-virtme #1 Not tainted [ 162.140936][ T1088] ----------------------------------------------------- [ 162.141134][ T1088] ip/1088 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 162.141356][ T1088] ffff888006172c28 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 162.141776][ T1088] [ 162.141776][ T1088] and this task is already holding: [ 162.142108][ T1088] ffff888007f13d80 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670 [ 162.142506][ T1088] which would create a new lock dependency: [ 162.142721][ T1088] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 162.142972][ T1088] [ 162.142972][ T1088] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 162.143245][ T1088] (&ndev->lock){++--}-{2:2} [ 162.143249][ T1088] [ 162.143249][ T1088] ... which became SOFTIRQ-irq-safe at: [ 162.143632][ T1088] __lock_acquire+0x797/0x1570 [ 162.143793][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.143956][ T1088] _raw_write_lock+0x30/0x40 [ 162.144144][ T1088] addrconf_rs_timer+0xa9/0x730 [ 162.144363][ T1088] call_timer_fn+0x13b/0x230 [ 162.144580][ T1088] __run_timers+0x545/0x810 [ 162.144763][ T1088] timer_expire_remote+0x9b/0xe0 [ 162.144921][ T1088] tmigr_handle_remote_cpu+0x270/0x430 [ 162.145079][ T1088] tmigr_handle_remote_up+0x19f/0x2e0 [ 162.145238][ T1088] tmigr_handle_remote+0x21d/0x3a0 [ 162.145398][ T1088] __do_softirq+0x1f8/0x5df [ 162.145576][ T1088] irq_exit_rcu+0x97/0xc0 [ 162.145738][ T1088] sysvec_apic_timer_interrupt+0x75/0x80 [ 162.145904][ T1088] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 162.146106][ T1088] default_idle+0xf/0x20 [ 162.146227][ T1088] default_idle_call+0x6d/0xb0 [ 162.146389][ T1088] cpuidle_idle_call+0x1f4/0x280 [ 162.146551][ T1088] do_idle+0xf9/0x160 [ 162.146680][ T1088] cpu_startup_entry+0x54/0x60 [ 162.146838][ T1088] start_secondary+0x21c/0x2b0 [ 162.146997][ T1088] common_startup_64+0x12c/0x138 [ 162.147156][ T1088] [ 162.147156][ T1088] to a SOFTIRQ-irq-unsafe lock: [ 162.147348][ T1088] (&p->alloc_lock){+.+.}-{2:2} [ 162.147352][ T1088] [ 162.147352][ T1088] ... which became SOFTIRQ-irq-unsafe at: [ 162.147743][ T1088] ... [ 162.147744][ T1088] __lock_acquire+0x797/0x1570 [ 162.147982][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.148140][ T1088] _raw_spin_lock+0x30/0x40 [ 162.148297][ T1088] set_mems_allowed+0x1d/0x210 [ 162.148459][ T1088] kernel_init_freeable+0x72/0x310 [ 162.148618][ T1088] kernel_init+0x20/0x200 [ 162.148777][ T1088] ret_from_fork+0x31/0x70 [ 162.148936][ T1088] ret_from_fork_asm+0x1a/0x30 [ 162.149093][ T1088] [ 162.149093][ T1088] other info that might help us debug this: [ 162.149093][ T1088] [ 162.149435][ T1088] Possible interrupt unsafe locking scenario: [ 162.149435][ T1088] [ 162.149679][ T1088] CPU0 CPU1 [ 162.149838][ T1088] ---- ---- [ 162.150002][ T1088] lock(&p->alloc_lock); [ 162.150126][ T1088] local_irq_disable(); [ 162.150328][ T1088] lock(&ndev->lock); [ 162.150538][ T1088] lock(&p->alloc_lock); [ 162.150736][ T1088] [ 162.150861][ T1088] lock(&ndev->lock); [ 162.150983][ T1088] [ 162.150983][ T1088] *** DEADLOCK *** [ 162.150983][ T1088] [ 162.151213][ T1088] 2 locks held by ip/1088: [ 162.151370][ T1088] #0: ffffffffa43b7208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0 [ 162.151657][ T1088] #1: ffff888007f13d80 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670 [ 162.151939][ T1088] [ 162.151939][ T1088] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 162.152253][ T1088] -> (&ndev->lock){++--}-{2:2} { [ 162.152420][ T1088] HARDIRQ-ON-W at: [ 162.152542][ T1088] __lock_acquire+0x797/0x1570 [ 162.152761][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.152965][ T1088] _raw_write_lock_bh+0x38/0x50 [ 162.153167][ T1088] addrconf_permanent_addr+0x6e/0x670 [ 162.153372][ T1088] addrconf_notify+0x749/0xd60 [ 162.153574][ T1088] notifier_call_chain+0xcd/0x150 [ 162.153777][ T1088] __dev_notify_flags+0xe6/0x250 [ 162.153984][ T1088] dev_change_flags+0xec/0x160 [ 162.154196][ T1088] do_setlink+0x7d6/0x21e0 [ 162.154398][ T1088] __rtnl_newlink+0xaa7/0xd80 [ 162.154602][ T1088] rtnl_newlink+0x63/0xa0 [ 162.154801][ T1088] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 162.155017][ T1088] netlink_rcv_skb+0x130/0x360 [ 162.155223][ T1088] netlink_unicast+0x449/0x710 [ 162.155426][ T1088] netlink_sendmsg+0x723/0xbe0 [ 162.155629][ T1088] ____sys_sendmsg+0x7b2/0xa10 [ 162.155834][ T1088] ___sys_sendmsg+0xee/0x170 [ 162.156046][ T1088] __sys_sendmsg+0xcd/0x170 [ 162.156249][ T1088] do_syscall_64+0xc6/0x1e0 [ 162.156454][ T1088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 162.156693][ T1088] HARDIRQ-ON-R at: [ 162.156817][ T1088] __lock_acquire+0x797/0x1570 [ 162.157022][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.157226][ T1088] _raw_read_lock_bh+0x44/0x80 [ 162.157439][ T1088] inet6_fill_ifla6_attrs+0x516/0x740 [ 162.157637][ T1088] inet6_fill_link_af+0x5e/0xe0 [ 162.157837][ T1088] rtnl_fill_ifinfo+0x1615/0x2a90 [ 162.158035][ T1088] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 162.158233][ T1088] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 162.158473][ T1088] rtmsg_ifinfo+0x5b/0xa0 [ 162.158674][ T1088] register_netdevice+0x1177/0x1690 [ 162.158874][ T1088] register_netdev+0x20/0x40 [ 162.159074][ T1088] vti6_init_net+0x25d/0x380 [ 162.159301][ T1088] ops_init+0x9b/0x560 [ 162.159465][ T1088] register_pernet_operations+0x2db/0x710 [ 162.159707][ T1088] register_pernet_device+0x2a/0x60 [ 162.159915][ T1088] vti6_tunnel_init+0x18/0x110 [ 162.160118][ T1088] do_one_initcall+0x8d/0x1e0 [ 162.160322][ T1088] do_initcalls+0x1b2/0x3e0 [ 162.160534][ T1088] kernel_init_freeable+0x232/0x310 [ 162.160737][ T1088] kernel_init+0x20/0x200 [ 162.160937][ T1088] ret_from_fork+0x31/0x70 [ 162.161138][ T1088] ret_from_fork_asm+0x1a/0x30 [ 162.161344][ T1088] IN-SOFTIRQ-W at: [ 162.161462][ T1088] __lock_acquire+0x797/0x1570 [ 162.161665][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.161864][ T1088] _raw_write_lock+0x30/0x40 [ 162.162065][ T1088] addrconf_rs_timer+0xa9/0x730 [ 162.162262][ T1088] call_timer_fn+0x13b/0x230 [ 162.162465][ T1088] __run_timers+0x545/0x810 [ 162.162663][ T1088] timer_expire_remote+0x9b/0xe0 [ 162.162862][ T1088] tmigr_handle_remote_cpu+0x270/0x430 [ 162.163061][ T1088] tmigr_handle_remote_up+0x19f/0x2e0 [ 162.163261][ T1088] tmigr_handle_remote+0x21d/0x3a0 [ 162.163462][ T1088] __do_softirq+0x1f8/0x5df [ 162.163666][ T1088] irq_exit_rcu+0x97/0xc0 [ 162.163863][ T1088] sysvec_apic_timer_interrupt+0x75/0x80 [ 162.164127][ T1088] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 162.164370][ T1088] default_idle+0xf/0x20 [ 162.164594][ T1088] default_idle_call+0x6d/0xb0 [ 162.164796][ T1088] cpuidle_idle_call+0x1f4/0x280 [ 162.164997][ T1088] do_idle+0xf9/0x160 [ 162.165162][ T1088] cpu_startup_entry+0x54/0x60 [ 162.165363][ T1088] start_secondary+0x21c/0x2b0 [ 162.165569][ T1088] common_startup_64+0x12c/0x138 [ 162.165781][ T1088] IN-SOFTIRQ-R at: [ 162.165899][ T1088] __lock_acquire+0x797/0x1570 [ 162.166098][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.166297][ T1088] _raw_read_lock_bh+0x44/0x80 [ 162.166494][ T1088] ipv6_get_lladdr+0xa9/0x3e0 [ 162.166692][ T1088] addrconf_rs_timer+0x24a/0x730 [ 162.166891][ T1088] call_timer_fn+0x13b/0x230 [ 162.167090][ T1088] __run_timers+0x545/0x810 [ 162.167289][ T1088] timer_expire_remote+0x9b/0xe0 [ 162.167500][ T1088] tmigr_handle_remote_cpu+0x270/0x430 [ 162.167705][ T1088] tmigr_handle_remote_up+0x19f/0x2e0 [ 162.167903][ T1088] tmigr_handle_remote+0x21d/0x3a0 [ 162.168103][ T1088] __do_softirq+0x1f8/0x5df [ 162.168319][ T1088] irq_exit_rcu+0x97/0xc0 [ 162.168520][ T1088] sysvec_apic_timer_interrupt+0x75/0x80 [ 162.168761][ T1088] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 162.169009][ T1088] default_idle+0xf/0x20 [ 162.169218][ T1088] default_idle_call+0x6d/0xb0 [ 162.169423][ T1088] cpuidle_idle_call+0x1f4/0x280 [ 162.169630][ T1088] do_idle+0xf9/0x160 [ 162.169794][ T1088] cpu_startup_entry+0x54/0x60 [ 162.170019][ T1088] start_secondary+0x21c/0x2b0 [ 162.170300][ T1088] common_startup_64+0x12c/0x138 [ 162.170594][ T1088] INITIAL USE at: [ 162.170713][ T1088] __lock_acquire+0x797/0x1570 [ 162.170915][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.171117][ T1088] _raw_write_lock_bh+0x38/0x50 [ 162.171316][ T1088] addrconf_permanent_addr+0x6e/0x670 [ 162.171514][ T1088] addrconf_notify+0x749/0xd60 [ 162.171716][ T1088] notifier_call_chain+0xcd/0x150 [ 162.171917][ T1088] __dev_notify_flags+0xe6/0x250 [ 162.172117][ T1088] dev_change_flags+0xec/0x160 [ 162.172318][ T1088] do_setlink+0x7d6/0x21e0 [ 162.172525][ T1088] __rtnl_newlink+0xaa7/0xd80 [ 162.172724][ T1088] rtnl_newlink+0x63/0xa0 [ 162.172925][ T1088] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 162.173127][ T1088] netlink_rcv_skb+0x130/0x360 [ 162.173424][ T1088] netlink_unicast+0x449/0x710 [ 162.173622][ T1088] netlink_sendmsg+0x723/0xbe0 [ 162.173822][ T1088] ____sys_sendmsg+0x7b2/0xa10 [ 162.174112][ T1088] ___sys_sendmsg+0xee/0x170 [ 162.174316][ T1088] __sys_sendmsg+0xcd/0x170 [ 162.174518][ T1088] do_syscall_64+0xc6/0x1e0 [ 162.174716][ T1088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 162.175042][ T1088] INITIAL READ USE at: [ 162.175163][ T1088] __lock_acquire+0x797/0x1570 [ 162.175365][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.175655][ T1088] _raw_read_lock_bh+0x44/0x80 [ 162.175859][ T1088] inet6_fill_ifla6_attrs+0x516/0x740 [ 162.176100][ T1088] inet6_fill_link_af+0x5e/0xe0 [ 162.176390][ T1088] rtnl_fill_ifinfo+0x1615/0x2a90 [ 162.176616][ T1088] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 162.176856][ T1088] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 162.177183][ T1088] rtmsg_ifinfo+0x5b/0xa0 [ 162.177386][ T1088] register_netdevice+0x1177/0x1690 [ 162.177624][ T1088] register_netdev+0x20/0x40 [ 162.177823][ T1088] vti6_init_net+0x25d/0x380 [ 162.178112][ T1088] ops_init+0x9b/0x560 [ 162.178310][ T1088] register_pernet_operations+0x2db/0x710 [ 162.178548][ T1088] register_pernet_device+0x2a/0x60 [ 162.178970][ T1088] vti6_tunnel_init+0x18/0x110 [ 162.179169][ T1088] do_one_initcall+0x8d/0x1e0 [ 162.179400][ T1088] do_initcalls+0x1b2/0x3e0 [ 162.179698][ T1088] kernel_init_freeable+0x232/0x310 [ 162.179941][ T1088] kernel_init+0x20/0x200 [ 162.180147][ T1088] ret_from_fork+0x31/0x70 [ 162.180454][ T1088] ret_from_fork_asm+0x1a/0x30 [ 162.180656][ T1088] } [ 162.180738][ T1088] ... key at: [] __key.37+0x0/0x40 [ 162.180978][ T1088] [ 162.180978][ T1088] the dependencies between the lock to be acquired [ 162.180979][ T1088] and SOFTIRQ-irq-unsafe lock: [ 162.181494][ T1088] -> (&p->alloc_lock){+.+.}-{2:2} { [ 162.181687][ T1088] HARDIRQ-ON-W at: [ 162.181856][ T1088] __lock_acquire+0x797/0x1570 [ 162.182224][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.182496][ T1088] _raw_spin_lock+0x30/0x40 [ 162.182698][ T1088] set_mems_allowed+0x1d/0x210 [ 162.182995][ T1088] kernel_init_freeable+0x72/0x310 [ 162.183195][ T1088] kernel_init+0x20/0x200 [ 162.183398][ T1088] ret_from_fork+0x31/0x70 [ 162.183599][ T1088] ret_from_fork_asm+0x1a/0x30 [ 162.183885][ T1088] SOFTIRQ-ON-W at: [ 162.184005][ T1088] __lock_acquire+0x797/0x1570 [ 162.184203][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.184493][ T1088] _raw_spin_lock+0x30/0x40 [ 162.184693][ T1088] set_mems_allowed+0x1d/0x210 [ 162.184895][ T1088] kernel_init_freeable+0x72/0x310 [ 162.185094][ T1088] kernel_init+0x20/0x200 [ 162.185383][ T1088] ret_from_fork+0x31/0x70 [ 162.185585][ T1088] ret_from_fork_asm+0x1a/0x30 [ 162.185785][ T1088] INITIAL USE at: [ 162.185904][ T1088] __lock_acquire+0x797/0x1570 [ 162.186193][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.186395][ T1088] _raw_spin_lock+0x30/0x40 [ 162.186610][ T1088] set_mems_allowed+0x1d/0x210 [ 162.186905][ T1088] kernel_init_freeable+0x72/0x310 [ 162.187108][ T1088] kernel_init+0x20/0x200 [ 162.187309][ T1088] ret_from_fork+0x31/0x70 [ 162.187603][ T1088] ret_from_fork_asm+0x1a/0x30 [ 162.187806][ T1088] } [ 162.187891][ T1088] ... key at: [] __key.388+0x0/0x40 [ 162.188138][ T1088] ... acquired at: [ 162.188260][ T1088] check_prev_add+0x194/0xce0 [ 162.188512][ T1088] validate_chain+0x71d/0x9b0 [ 162.188673][ T1088] __lock_acquire+0xaf0/0x1570 [ 162.188834][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.188994][ T1088] _raw_spin_lock+0x30/0x40 [ 162.189265][ T1088] __get_task_comm+0x27/0x70 [ 162.189430][ T1088] ref_tracker_alloc+0x2ee/0x490 [ 162.189596][ T1088] netdev_get_by_index+0x5e/0x80 [ 162.189758][ T1088] fib6_nh_init+0x3d8/0x1580 [ 162.190011][ T1088] ip6_route_info_create+0xf18/0x17d0 [ 162.190179][ T1088] ip6_route_add+0x1c/0x140 [ 162.190341][ T1088] addrconf_prefix_route+0x2a6/0x430 [ 162.190513][ T1088] addrconf_permanent_addr+0x32f/0x670 [ 162.190763][ T1088] addrconf_notify+0x749/0xd60 [ 162.190926][ T1088] notifier_call_chain+0xcd/0x150 [ 162.191085][ T1088] __dev_notify_flags+0xe6/0x250 [ 162.191246][ T1088] dev_change_flags+0xec/0x160 [ 162.191405][ T1088] do_setlink+0x7d6/0x21e0 [ 162.191741][ T1088] __rtnl_newlink+0xaa7/0xd80 [ 162.191902][ T1088] rtnl_newlink+0x63/0xa0 [ 162.192064][ T1088] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 162.192222][ T1088] netlink_rcv_skb+0x130/0x360 [ 162.192487][ T1088] netlink_unicast+0x449/0x710 [ 162.192662][ T1088] netlink_sendmsg+0x723/0xbe0 [ 162.192822][ T1088] ____sys_sendmsg+0x7b2/0xa10 [ 162.192982][ T1088] ___sys_sendmsg+0xee/0x170 [ 162.193239][ T1088] __sys_sendmsg+0xcd/0x170 [ 162.193400][ T1088] do_syscall_64+0xc6/0x1e0 [ 162.193578][ T1088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 162.193784][ T1088] [ 162.193868][ T1088] [ 162.193868][ T1088] stack backtrace: [ 162.194156][ T1088] CPU: 3 PID: 1088 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 162.194400][ T1088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 162.194853][ T1088] Call Trace: [ 162.194986][ T1088] [ 162.195070][ T1088] dump_stack_lvl+0x82/0xd0 [ 162.195247][ T1088] print_bad_irq_dependency+0x957/0xd40 [ 162.195407][ T1088] ? hlock_class+0x4e/0x130 [ 162.195673][ T1088] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 162.195878][ T1088] ? __pfx_usage_skip+0x10/0x10 [ 162.196041][ T1088] ? __bfs+0x246/0x650 [ 162.196162][ T1088] ? __pfx_usage_match+0x10/0x10 [ 162.196417][ T1088] check_irq_usage+0x596/0x850 [ 162.196582][ T1088] ? __pfx_check_irq_usage+0x10/0x10 [ 162.196746][ T1088] ? __bfs+0x246/0x650 [ 162.196869][ T1088] ? __pfx_hlock_conflict+0x10/0x10 [ 162.197032][ T1088] ? check_path.constprop.0+0x24/0x50 [ 162.197289][ T1088] ? check_noncircular+0x14c/0x3e0 [ 162.197452][ T1088] ? __pfx_check_noncircular+0x10/0x10 [ 162.197617][ T1088] ? check_prev_add+0x194/0xce0 [ 162.197779][ T1088] check_prev_add+0x194/0xce0 [ 162.198034][ T1088] ? validate_chain+0x130/0x9b0 [ 162.198198][ T1088] validate_chain+0x71d/0x9b0 [ 162.198371][ T1088] ? mark_lock+0x38/0x3e0 [ 162.198493][ T1088] ? __pfx_validate_chain+0x10/0x10 [ 162.198745][ T1088] ? hlock_class+0x4e/0x130 [ 162.198903][ T1088] ? mark_lock+0x38/0x3e0 [ 162.199025][ T1088] __lock_acquire+0xaf0/0x1570 [ 162.199191][ T1088] lock_acquire.part.0+0xeb/0x330 [ 162.199369][ T1088] ? __get_task_comm+0x27/0x70 [ 162.199628][ T1088] ? mark_lock+0x38/0x3e0 [ 162.199750][ T1088] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 162.199946][ T1088] ? trace_lock_acquire+0x135/0x1c0 [ 162.200165][ T1088] ? __get_task_comm+0x27/0x70 [ 162.200484][ T1088] ? lock_acquire+0x32/0xc0 [ 162.200641][ T1088] ? __get_task_comm+0x27/0x70 [ 162.200802][ T1088] _raw_spin_lock+0x30/0x40 [ 162.200962][ T1088] ? __get_task_comm+0x27/0x70 [ 162.201120][ T1088] __get_task_comm+0x27/0x70 [ 162.201366][ T1088] ref_tracker_alloc+0x2ee/0x490 [ 162.201524][ T1088] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 162.201679][ T1088] ? dev_get_by_index+0x177/0x270 [ 162.201836][ T1088] ? netdev_get_by_index+0x5e/0x80 [ 162.202087][ T1088] ? fib6_nh_init+0x3d8/0x1580 [ 162.202243][ T1088] ? ip6_route_info_create+0xf18/0x17d0 [ 162.202399][ T1088] ? ip6_route_add+0x1c/0x140 [ 162.202560][ T1088] ? addrconf_prefix_route+0x2a6/0x430 [ 162.202806][ T1088] ? addrconf_permanent_addr+0x32f/0x670 [ 162.202964][ T1088] ? addrconf_notify+0x749/0xd60 [ 162.203123][ T1088] ? notifier_call_chain+0xcd/0x150 [ 162.203287][ T1088] ? __dev_notify_flags+0xe6/0x250 [ 162.203531][ T1088] ? dev_change_flags+0xec/0x160 [ 162.203688][ T1088] ? do_setlink+0x7d6/0x21e0 [ 162.203843][ T1088] ? __rtnl_newlink+0xaa7/0xd80 [ 162.204010][ T1088] ? rtnl_newlink+0x63/0xa0 [ 162.204179][ T1088] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 162.204535][ T1088] ? netlink_rcv_skb+0x130/0x360 [ 162.204752][ T1088] ? netlink_unicast+0x449/0x710 [ 162.204967][ T1088] ? dev_get_by_index+0x177/0x270 [ 162.205188][ T1088] netdev_get_by_index+0x5e/0x80 [ 162.205456][ T1088] fib6_nh_init+0x3d8/0x1580 [ 162.205613][ T1088] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 162.205814][ T1088] ? __pfx_fib6_nh_init+0x10/0x10 [ 162.205978][ T1088] ? kasan_save_track+0x14/0x30 [ 162.206225][ T1088] ? __kasan_kmalloc+0x7f/0x90 [ 162.206382][ T1088] ? __kmalloc+0x1d7/0x3c0 [ 162.206566][ T1088] ? fib6_get_table+0x116/0x290 [ 162.206726][ T1088] ip6_route_info_create+0xf18/0x17d0 [ 162.206991][ T1088] ? __pfx_ip6_route_info_create+0x10/0x10 [ 162.207192][ T1088] ? __pfx_validate_chain+0x10/0x10 [ 162.207356][ T1088] ip6_route_add+0x1c/0x140 [ 162.207518][ T1088] addrconf_prefix_route+0x2a6/0x430 [ 162.207780][ T1088] ? __pfx_addrconf_prefix_route+0x10/0x10 [ 162.207978][ T1088] ? do_raw_write_lock+0x122/0x3b0 [ 162.208136][ T1088] ? __pfx_do_raw_write_lock+0x10/0x10 [ 162.208294][ T1088] ? lock_acquire+0x32/0xc0 [ 162.208539][ T1088] ? addrconf_permanent_addr+0x6e/0x670 [ 162.208696][ T1088] addrconf_permanent_addr+0x32f/0x670 [ 162.208853][ T1088] addrconf_notify+0x749/0xd60 [ 162.209008][ T1088] notifier_call_chain+0xcd/0x150 [ 162.209285][ T1088] __dev_notify_flags+0xe6/0x250 [ 162.209446][ T1088] ? __pfx___dev_notify_flags+0x10/0x10 [ 162.209606][ T1088] ? __dev_change_flags+0x469/0x6c0 [ 162.209770][ T1088] ? __pfx___dev_change_flags+0x10/0x10 [ 162.209942][ T1088] ? find_held_lock+0x2c/0x110 [ 162.210221][ T1088] dev_change_flags+0xec/0x160 [ 162.210398][ T1088] do_setlink+0x7d6/0x21e0 [ 162.210569][ T1088] ? is_bpf_text_address+0x6c/0x120 [ 162.210727][ T1088] ? __pfx_do_setlink+0x10/0x10 [ 162.210974][ T1088] ? is_bpf_text_address+0x71/0x120 [ 162.211144][ T1088] ? kernel_text_address+0xce/0xe0 [ 162.211308][ T1088] ? __kernel_text_address+0x12/0x40 [ 162.211468][ T1088] ? unwind_get_return_address+0x5e/0xa0 [ 162.211715][ T1088] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 162.211929][ T1088] ? arch_stack_walk+0xa2/0xf0 [ 162.212094][ T1088] ? stack_trace_save+0x94/0xd0 [ 162.212264][ T1088] ? __pfx_stack_trace_save+0x10/0x10 [ 162.212515][ T1088] ? stack_depot_save_flags+0x45/0x530 [ 162.212680][ T1088] ? mark_lock+0x38/0x3e0 [ 162.212801][ T1088] ? kasan_save_stack+0x34/0x50 [ 162.212961][ T1088] ? kasan_save_stack+0x24/0x50 [ 162.213120][ T1088] ? kasan_save_track+0x14/0x30 [ 162.213386][ T1088] ? __kasan_kmalloc+0x7f/0x90 [ 162.213543][ T1088] ? rtnl_newlink+0x4a/0xa0 [ 162.213699][ T1088] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 162.213858][ T1088] ? netlink_rcv_skb+0x130/0x360 [ 162.214103][ T1088] ? validate_nla+0x1d30/0x1d30 [ 162.214264][ T1088] ? netlink_sendmsg+0x723/0xbe0 [ 162.214421][ T1088] ? ____sys_sendmsg+0x7b2/0xa10 [ 162.214584][ T1088] ? ___sys_sendmsg+0xee/0x170 [ 162.214830][ T1088] __rtnl_newlink+0xaa7/0xd80 [ 162.214991][ T1088] ? hlock_class+0x4e/0x130 [ 162.215148][ T1088] ? __pfx___rtnl_newlink+0x10/0x10 [ 162.215306][ T1088] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 162.215591][ T1088] ? __create_object+0x5e/0xb0 [ 162.215750][ T1088] ? trace_kmalloc+0x2a/0xe0 [ 162.215911][ T1088] rtnl_newlink+0x63/0xa0 [ 162.216034][ T1088] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 162.216197][ T1088] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 162.216449][ T1088] ? hlock_class+0x4e/0x130 [ 162.216616][ T1088] ? mark_lock+0x38/0x3e0 [ 162.216737][ T1088] ? __lock_acquire+0xaf0/0x1570 [ 162.216895][ T1088] netlink_rcv_skb+0x130/0x360 [ 162.217231][ T1088] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 162.217401][ T1088] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 162.217559][ T1088] ? lock_acquire.part.0+0xeb/0x330 [ 162.217722][ T1088] ? netlink_deliver_tap+0xc8/0x340 [ 162.217969][ T1088] ? lock_acquire+0x32/0xc0 [ 162.218128][ T1088] ? netlink_deliver_tap+0xc8/0x340 [ 162.218286][ T1088] ? netlink_deliver_tap+0xc8/0x340 [ 162.218446][ T1088] ? netlink_deliver_tap+0x149/0x340 [ 162.218604][ T1088] netlink_unicast+0x449/0x710 [ 162.218858][ T1088] ? __pfx_netlink_unicast+0x10/0x10 [ 162.219015][ T1088] ? find_held_lock+0x2c/0x110 [ 162.219175][ T1088] netlink_sendmsg+0x723/0xbe0 [ 162.219360][ T1088] ? __pfx_netlink_sendmsg+0x10/0x10 [ 162.219617][ T1088] ? __might_fault+0xc3/0x170 [ 162.219780][ T1088] ? __import_iovec+0x35d/0x5d0 [ 162.219943][ T1088] ____sys_sendmsg+0x7b2/0xa10 [ 162.220103][ T1088] ? __pfx_____sys_sendmsg+0x10/0x10 [ 162.220359][ T1088] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 162.220567][ T1088] ? __pfx_validate_chain+0x10/0x10 [ 162.220729][ T1088] ___sys_sendmsg+0xee/0x170 [ 162.220887][ T1088] ? __pfx____sys_sendmsg+0x10/0x10 [ 162.221135][ T1088] ? find_held_lock+0x2c/0x110 [ 162.221293][ T1088] ? __lock_release+0x103/0x460 [ 162.221448][ T1088] ? __debug_check_no_obj_freed+0x253/0x520 [ 162.221643][ T1088] ? __pfx___lock_release+0x10/0x10 [ 162.221897][ T1088] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 162.222054][ T1088] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 162.222249][ T1088] ? __fget_light+0x53/0x1e0 [ 162.222409][ T1088] __sys_sendmsg+0xcd/0x170 [ 162.222654][ T1088] ? __pfx___sys_sendmsg+0x10/0x10 [ 162.222817][ T1088] do_syscall_64+0xc6/0x1e0 [ 162.222978][ T1088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 162.223178][ T1088] RIP: 0033:0x7fdfa0f857b7 [ 162.223433][ T1088] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 162.223993][ T1088] RSP: 002b:00007ffd8dcfe658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.224327][ T1088] RAX: ffffffffffffffda RBX: 00007ffd8dcfed90 RCX: 00007fdfa0f857b7 [ 162.224565][ T1088] RDX: 0000000000000000 RSI: 00007ffd8dcfe6c0 RDI: 0000000000000005 [ 162.224803][ T1088] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 162.225130][ T1088] R10: 00007fdfa0e434a8 R11: 0000000000000246 R12: 0000000000000002 [ 162.225367][ T1088] R13: 00000000660e8761 R14: 0000000000495540 R15: 0000000000000000 [ 162.225694][ T1088] [ 162.232355][ T1088] ip (1088) used greatest stack depth: 21616 bytes left