[ 33.805866][ T771] [ 33.805960][ T771] ======================================================== [ 33.806081][ T771] WARNING: possible irq lock inversion dependency detected [ 33.806191][ T771] 7.1.0-rc5-virtme #1 Not tainted [ 33.806264][ T771] -------------------------------------------------------- [ 33.806371][ T771] ip/771 just changed the state of lock: [ 33.806448][ T771] ffffffff8fb7e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 33.806582][ T771] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 33.806691][ T771] (&ndev->lock){++--}-{3:3} [ 33.806693][ T771] [ 33.806693][ T771] [ 33.806693][ T771] and interrupts could create inverse lock ordering between them. [ 33.806693][ T771] [ 33.806953][ T771] [ 33.806953][ T771] other info that might help us debug this: [ 33.807060][ T771] Possible interrupt unsafe locking scenario: [ 33.807060][ T771] [ 33.807169][ T771] CPU0 CPU1 [ 33.807242][ T771] ---- ---- [ 33.807314][ T771] lock(acaddr_hash_lock); [ 33.807389][ T771] local_irq_disable(); [ 33.807482][ T771] lock(&ndev->lock); [ 33.807572][ T771] lock(acaddr_hash_lock); [ 33.807662][ T771] [ 33.807719][ T771] lock(&ndev->lock); [ 33.807773][ T771] [ 33.807773][ T771] *** DEADLOCK *** [ 33.807773][ T771] [ 33.807877][ T771] 1 lock held by ip/771: [ 33.807937][ T771] #0: ffffffff8fa8c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 33.808070][ T771] [ 33.808070][ T771] the shortest dependencies between 2nd lock and 1st lock: [ 33.808194][ T771] -> (&ndev->lock){++--}-{3:3} { [ 33.808272][ T771] HARDIRQ-ON-W at: [ 33.808328][ T771] __lock_acquire+0x378/0xc10 [ 33.808429][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.808519][ T771] _raw_write_lock_bh+0x38/0x50 [ 33.808610][ T771] addrconf_permanent_addr+0x108/0x9c0 [ 33.808717][ T771] addrconf_notify+0x151/0xf30 [ 33.808808][ T771] notifier_call_chain+0xb0/0x320 [ 33.808902][ T771] __dev_notify_flags+0xde/0x280 [ 33.808991][ T771] netif_change_flags+0xfe/0x190 [ 33.809084][ T771] do_setlink.isra.0+0x1cc3/0x2750 [ 33.809173][ T771] rtnl_newlink+0x8d1/0xef0 [ 33.809266][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.809357][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.809453][ T771] netlink_unicast+0x486/0x750 [ 33.809544][ T771] netlink_sendmsg+0x735/0xc60 [ 33.809635][ T771] ____sys_sendmsg+0x419/0x850 [ 33.809731][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.809821][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.809918][ T771] do_syscall_64+0x117/0x590 [ 33.810009][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.810117][ T771] HARDIRQ-ON-R at: [ 33.810174][ T771] __lock_acquire+0x378/0xc10 [ 33.810263][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.810354][ T771] _raw_read_lock_bh+0x44/0x80 [ 33.810449][ T771] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 33.810558][ T771] inet6_fill_link_af+0x5c/0xe0 [ 33.810650][ T771] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 33.810757][ T771] rtnl_getlink+0x9c9/0xeb0 [ 33.810846][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.810941][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.811032][ T771] netlink_unicast+0x486/0x750 [ 33.811123][ T771] netlink_sendmsg+0x735/0xc60 [ 33.811214][ T771] ____sys_sendmsg+0x419/0x850 [ 33.811304][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.811398][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.811490][ T771] do_syscall_64+0x117/0x590 [ 33.811582][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.811691][ T771] IN-SOFTIRQ-W at: [ 33.811747][ T771] __lock_acquire+0x378/0xc10 [ 33.811837][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.811930][ T771] _raw_write_lock+0x33/0x40 [ 33.812021][ T771] addrconf_rs_timer+0xb0/0x770 [ 33.812111][ T771] call_timer_fn+0x163/0x4f0 [ 33.812206][ T771] __run_timers+0x68f/0xab0 [ 33.812295][ T771] run_timer_softirq+0xf0/0x160 [ 33.812385][ T771] handle_softirqs+0x1d8/0x940 [ 33.812490][ T771] __irq_exit_rcu+0x103/0x1c0 [ 33.812588][ T771] irq_exit_rcu+0xe/0x30 [ 33.812677][ T771] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 33.812787][ T771] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.812895][ T771] pv_native_safe_halt+0xf/0x10 [ 33.812986][ T771] default_idle+0x9/0x10 [ 33.813076][ T771] default_idle_call+0x6e/0xb0 [ 33.813167][ T771] cpuidle_idle_call.constprop.0+0x237/0x410 [ 33.813276][ T771] do_idle+0xf5/0x160 [ 33.813365][ T771] cpu_startup_entry+0x53/0x70 [ 33.813462][ T771] rest_init+0x1f7/0x200 [ 33.813552][ T771] start_kernel+0x3ad/0x3b0 [ 33.813643][ T771] x86_64_start_reservations+0x24/0x30 [ 33.813750][ T771] x86_64_start_kernel+0x12b/0x130 [ 33.813843][ T771] common_startup_64+0x13e/0x148 [ 33.813934][ T771] IN-SOFTIRQ-R at: [ 33.813988][ T771] __lock_acquire+0x378/0xc10 [ 33.814081][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.814173][ T771] _raw_read_lock_bh+0x44/0x80 [ 33.814263][ T771] ipv6_get_lladdr+0xa8/0x3f0 [ 33.814354][ T771] addrconf_rs_timer+0x251/0x770 [ 33.814450][ T771] call_timer_fn+0x163/0x4f0 [ 33.814543][ T771] __run_timers+0x68f/0xab0 [ 33.814634][ T771] run_timer_softirq+0xf0/0x160 [ 33.814728][ T771] handle_softirqs+0x1d8/0x940 [ 33.814822][ T771] __irq_exit_rcu+0x103/0x1c0 [ 33.814913][ T771] irq_exit_rcu+0xe/0x30 [ 33.815004][ T771] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 33.815110][ T771] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.815219][ T771] pv_native_safe_halt+0xf/0x10 [ 33.815311][ T771] default_idle+0x9/0x10 [ 33.815405][ T771] default_idle_call+0x6e/0xb0 [ 33.815497][ T771] cpuidle_idle_call.constprop.0+0x237/0x410 [ 33.815610][ T771] do_idle+0xf5/0x160 [ 33.815702][ T771] cpu_startup_entry+0x53/0x70 [ 33.815792][ T771] rest_init+0x1f7/0x200 [ 33.815887][ T771] start_kernel+0x3ad/0x3b0 [ 33.815977][ T771] x86_64_start_reservations+0x24/0x30 [ 33.816088][ T771] x86_64_start_kernel+0x12b/0x130 [ 33.816181][ T771] common_startup_64+0x13e/0x148 [ 33.816274][ T771] INITIAL USE at: [ 33.816328][ T771] __lock_acquire+0x378/0xc10 [ 33.816427][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.816516][ T771] _raw_write_lock_bh+0x38/0x50 [ 33.816606][ T771] addrconf_permanent_addr+0x108/0x9c0 [ 33.816714][ T771] addrconf_notify+0x151/0xf30 [ 33.816807][ T771] notifier_call_chain+0xb0/0x320 [ 33.816897][ T771] __dev_notify_flags+0xde/0x280 [ 33.816993][ T771] netif_change_flags+0xfe/0x190 [ 33.817083][ T771] do_setlink.isra.0+0x1cc3/0x2750 [ 33.817175][ T771] rtnl_newlink+0x8d1/0xef0 [ 33.817267][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.817364][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.817458][ T771] netlink_unicast+0x486/0x750 [ 33.817551][ T771] netlink_sendmsg+0x735/0xc60 [ 33.817641][ T771] ____sys_sendmsg+0x419/0x850 [ 33.817730][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.817821][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.817911][ T771] do_syscall_64+0x117/0x590 [ 33.818000][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.818106][ T771] INITIAL READ USE at: [ 33.818177][ T771] __lock_acquire+0x378/0xc10 [ 33.818272][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.818378][ T771] _raw_read_lock_bh+0x44/0x80 [ 33.818472][ T771] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 33.818582][ T771] inet6_fill_link_af+0x5c/0xe0 [ 33.818676][ T771] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 33.818783][ T771] rtnl_getlink+0x9c9/0xeb0 [ 33.818875][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.818970][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.819060][ T771] netlink_unicast+0x486/0x750 [ 33.819152][ T771] netlink_sendmsg+0x735/0xc60 [ 33.819245][ T771] ____sys_sendmsg+0x419/0x850 [ 33.819335][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.819434][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.819531][ T771] do_syscall_64+0x117/0x590 [ 33.819621][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.819731][ T771] } [ 33.819769][ T771] ... key at: [] __key.37+0x0/0x40 [ 33.819877][ T771] ... acquired at: [ 33.819932][ T771] __lock_acquire+0x508/0xc10 [ 33.820009][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.820079][ T771] _raw_spin_lock+0x33/0x40 [ 33.820150][ T771] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 33.820242][ T771] __ipv6_dev_ac_inc+0x57e/0x930 [ 33.820312][ T771] addrconf_join_anycast+0x1bc/0x260 [ 33.820388][ T771] __ipv6_ifa_notify+0x75b/0xad0 [ 33.820469][ T771] addrconf_dad_completed+0x14b/0xe10 [ 33.820541][ T771] addrconf_dad_work+0x3c1/0x930 [ 33.820614][ T771] process_one_work+0xdf8/0x1410 [ 33.820687][ T771] worker_thread+0x4f1/0xd60 [ 33.820761][ T771] kthread+0x367/0x460 [ 33.820816][ T771] ret_from_fork+0x474/0x6b0 [ 33.820888][ T771] ret_from_fork_asm+0x11/0x20 [ 33.820961][ T771] [ 33.820999][ T771] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 33.821073][ T771] HARDIRQ-ON-W at: [ 33.821129][ T771] __lock_acquire+0x378/0xc10 [ 33.821219][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.821307][ T771] _raw_spin_lock+0x33/0x40 [ 33.821404][ T771] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 33.821519][ T771] __ipv6_dev_ac_inc+0x57e/0x930 [ 33.821613][ T771] addrconf_join_anycast+0x1bc/0x260 [ 33.821702][ T771] __ipv6_ifa_notify+0x75b/0xad0 [ 33.821793][ T771] addrconf_dad_completed+0x14b/0xe10 [ 33.821885][ T771] addrconf_dad_work+0x3c1/0x930 [ 33.821978][ T771] process_one_work+0xdf8/0x1410 [ 33.822068][ T771] worker_thread+0x4f1/0xd60 [ 33.822157][ T771] kthread+0x367/0x460 [ 33.822232][ T771] ret_from_fork+0x474/0x6b0 [ 33.822320][ T771] ret_from_fork_asm+0x11/0x20 [ 33.822414][ T771] SOFTIRQ-ON-W at: [ 33.822479][ T771] __lock_acquire+0x378/0xc10 [ 33.822568][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.822659][ T771] _raw_spin_lock+0x33/0x40 [ 33.822752][ T771] __ipv6_dev_ac_dec+0x236/0x5d0 [ 33.822845][ T771] addrconf_leave_anycast+0x1bc/0x260 [ 33.822940][ T771] __ipv6_ifa_notify+0x6b4/0xad0 [ 33.823034][ T771] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 33.823123][ T771] addrconf_notify+0x2c8/0xf30 [ 33.823212][ T771] notifier_call_chain+0xb0/0x320 [ 33.823304][ T771] __dev_notify_flags+0x165/0x280 [ 33.823400][ T771] netif_change_flags+0xfe/0x190 [ 33.823520][ T771] do_setlink.isra.0+0x1cc3/0x2750 [ 33.823638][ T771] rtnl_newlink+0x8d1/0xef0 [ 33.823753][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.823868][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.824050][ T771] netlink_unicast+0x486/0x750 [ 33.824150][ T771] netlink_sendmsg+0x735/0xc60 [ 33.824252][ T771] ____sys_sendmsg+0x419/0x850 [ 33.824444][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.824554][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.824646][ T771] do_syscall_64+0x117/0x590 [ 33.824735][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.824891][ T771] INITIAL USE at: [ 33.824946][ T771] __lock_acquire+0x378/0xc10 [ 33.825034][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.825173][ T771] _raw_spin_lock+0x33/0x40 [ 33.825265][ T771] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 33.825375][ T771] __ipv6_dev_ac_inc+0x57e/0x930 [ 33.825517][ T771] addrconf_join_anycast+0x1bc/0x260 [ 33.825610][ T771] __ipv6_ifa_notify+0x75b/0xad0 [ 33.825704][ T771] addrconf_dad_completed+0x14b/0xe10 [ 33.825840][ T771] addrconf_dad_work+0x3c1/0x930 [ 33.825934][ T771] process_one_work+0xdf8/0x1410 [ 33.826024][ T771] worker_thread+0x4f1/0xd60 [ 33.826162][ T771] kthread+0x367/0x460 [ 33.826236][ T771] ret_from_fork+0x474/0x6b0 [ 33.826326][ T771] ret_from_fork_asm+0x11/0x20 [ 33.826425][ T771] } [ 33.826507][ T771] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 33.826614][ T771] ... acquired at: [ 33.826667][ T771] mark_lock+0x1d7/0xa00 [ 33.826738][ T771] mark_usage+0x105/0x170 [ 33.826855][ T771] __lock_acquire+0x378/0xc10 [ 33.826927][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.826998][ T771] _raw_spin_lock+0x33/0x40 [ 33.827070][ T771] __ipv6_dev_ac_dec+0x236/0x5d0 [ 33.827186][ T771] addrconf_leave_anycast+0x1bc/0x260 [ 33.827263][ T771] __ipv6_ifa_notify+0x6b4/0xad0 [ 33.827334][ T771] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 33.827414][ T771] addrconf_notify+0x2c8/0xf30 [ 33.827531][ T771] notifier_call_chain+0xb0/0x320 [ 33.827606][ T771] __dev_notify_flags+0x165/0x280 [ 33.827678][ T771] netif_change_flags+0xfe/0x190 [ 33.827747][ T771] do_setlink.isra.0+0x1cc3/0x2750 [ 33.827868][ T771] rtnl_newlink+0x8d1/0xef0 [ 33.827941][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.828012][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.828084][ T771] netlink_unicast+0x486/0x750 [ 33.828200][ T771] netlink_sendmsg+0x735/0xc60 [ 33.828276][ T771] ____sys_sendmsg+0x419/0x850 [ 33.828347][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.828424][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.828541][ T771] do_syscall_64+0x117/0x590 [ 33.828616][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.828705][ T771] [ 33.828742][ T771] [ 33.828742][ T771] stack backtrace: [ 33.828876][ T771] CPU: 0 UID: 0 PID: 771 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 33.828879][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.828881][ T771] Call Trace: [ 33.828882][ T771] [ 33.828883][ T771] dump_stack_lvl+0x6f/0xa0 [ 33.828887][ T771] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 33.828890][ T771] mark_lock_irq+0x989/0x9c0 [ 33.828893][ T771] mark_lock+0x1d7/0xa00 [ 33.828895][ T771] mark_usage+0x105/0x170 [ 33.828896][ T771] __lock_acquire+0x378/0xc10 [ 33.828898][ T771] lock_acquire.part.0+0xbc/0x260 [ 33.828900][ T771] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 33.828901][ T771] ? rcu_is_watching+0x15/0xd0 [ 33.828904][ T771] ? do_raw_read_unlock+0x70/0x70 [ 33.828906][ T771] ? lock_acquire+0x134/0x160 [ 33.828908][ T771] _raw_spin_lock+0x33/0x40 [ 33.828909][ T771] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 33.828910][ T771] __ipv6_dev_ac_dec+0x236/0x5d0 [ 33.828912][ T771] addrconf_leave_anycast+0x1bc/0x260 [ 33.828914][ T771] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 33.828916][ T771] ? __ipv6_isatap_ifid+0x210/0x210 [ 33.828918][ T771] ? nlmsg_notify+0x62/0x250 [ 33.828920][ T771] __ipv6_ifa_notify+0x6b4/0xad0 [ 33.828922][ T771] ? cleanup_prefix_route+0x550/0x550 [ 33.828924][ T771] ? find_held_lock+0x2b/0x80 [ 33.828926][ T771] ? __lock_release.isra.0+0x6b/0x1a0 [ 33.828928][ T771] ? __rwlock_init+0x150/0x150 [ 33.828929][ T771] ? mark_held_locks+0x40/0x70 [ 33.828931][ T771] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 33.828933][ T771] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 33.828935][ T771] ? addrconf_dad_run+0x1b0/0x1b0 [ 33.828937][ T771] ? neigh_flush_one+0x580/0x580 [ 33.828939][ T771] ? mark_held_locks+0x40/0x70 [ 33.828941][ T771] addrconf_notify+0x2c8/0xf30 [ 33.828943][ T771] ? team_port_get_rtnl+0x65/0xc0 [ 33.828946][ T771] notifier_call_chain+0xb0/0x320 [ 33.828948][ T771] __dev_notify_flags+0x165/0x280 [ 33.828949][ T771] ? netif_change_name+0x8c0/0x8c0 [ 33.828951][ T771] ? netif_set_allmulti+0x250/0x250 [ 33.828952][ T771] ? is_bpf_text_address+0x68/0x110 [ 33.828956][ T771] netif_change_flags+0xfe/0x190 [ 33.828957][ T771] do_setlink.isra.0+0x1cc3/0x2750 [ 33.828960][ T771] ? rtnl_link_get_size+0x350/0x350 [ 33.828962][ T771] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 33.828964][ T771] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.828965][ T771] ? validate_chain+0x38b/0xc20 [ 33.828967][ T771] ? rcu_read_lock_any_held+0x66/0x90 [ 33.828968][ T771] ? stack_depot_save_flags+0x367/0x770 [ 33.828971][ T771] ? __kernel_text_address+0x12/0x30 [ 33.828973][ T771] ? __lock_acquire+0x508/0xc10 [ 33.828975][ T771] ? lock_acquire.part.0+0xbc/0x260 [ 33.828976][ T771] ? rtnl_newlink+0x883/0xef0 [ 33.828978][ T771] ? rcu_is_watching+0x15/0xd0 [ 33.828980][ T771] ? lock_acquire+0x134/0x160 [ 33.828981][ T771] ? rcu_is_watching+0x15/0xd0 [ 33.828982][ T771] ? rcu_is_watching+0x15/0xd0 [ 33.828984][ T771] ? trace_contention_end+0xb3/0x1a0 [ 33.828986][ T771] ? __mutex_lock+0x1db/0x2010 [ 33.828988][ T771] ? __mutex_lock+0x9b2/0x2010 [ 33.828989][ T771] ? rtnl_newlink+0x883/0xef0 [ 33.828991][ T771] ? ww_mutex_lock+0x160/0x160 [ 33.828993][ T771] ? __rtnl_newlink+0x3fa/0xa50 [ 33.828995][ T771] rtnl_newlink+0x8d1/0xef0 [ 33.828997][ T771] ? lock_acquire.part.0+0xbc/0x260 [ 33.828998][ T771] ? find_held_lock+0x2b/0x80 [ 33.829000][ T771] ? __rtnl_newlink+0xa50/0xa50 [ 33.829001][ T771] ? mark_usage+0x61/0x170 [ 33.829002][ T771] ? __lock_release.isra.0+0x6b/0x1a0 [ 33.829004][ T771] ? lock_acquire.part.0+0xbc/0x260 [ 33.829005][ T771] ? find_held_lock+0x2b/0x80 [ 33.829007][ T771] ? __rtnl_newlink+0xa50/0xa50 [ 33.829008][ T771] ? __lock_release.isra.0+0x6b/0x1a0 [ 33.829010][ T771] ? __rtnl_newlink+0xa50/0xa50 [ 33.829012][ T771] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.829013][ T771] ? validate_chain+0x38b/0xc20 [ 33.829014][ T771] ? rtnl_link_fill+0x920/0x920 [ 33.829016][ T771] ? __lock_acquire+0x508/0xc10 [ 33.829018][ T771] ? lock_acquire.part.0+0xbc/0x260 [ 33.829019][ T771] ? find_held_lock+0x2b/0x80 [ 33.829021][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 33.829022][ T771] ? rtnl_link_fill+0x920/0x920 [ 33.829024][ T771] ? netlink_ack+0xcf0/0xcf0 [ 33.829027][ T771] ? netlink_deliver_tap+0xc5/0x330 [ 33.829028][ T771] ? netlink_deliver_tap+0x13c/0x330 [ 33.829030][ T771] netlink_unicast+0x486/0x750 [ 33.829032][ T771] ? netlink_attachskb+0x810/0x810 [ 33.829034][ T771] ? __lock_acquire+0x508/0xc10 [ 33.829036][ T771] netlink_sendmsg+0x735/0xc60 [ 33.829038][ T771] ? netlink_unicast+0x750/0x750 [ 33.829040][ T771] ? __might_fault+0x97/0x140 [ 33.829043][ T771] ____sys_sendmsg+0x419/0x850 [ 33.829045][ T771] ? copy_msghdr_from_user+0x2a0/0x460 [ 33.829046][ T771] ? get_timestamp.constprop.0+0x390/0x390 [ 33.829048][ T771] ? move_addr_to_kernel+0x40/0x40 [ 33.829050][ T771] ? stack_depot_save_flags+0x367/0x770 [ 33.829051][ T771] ? validate_chain+0x38b/0xc20 [ 33.829053][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 33.829055][ T771] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 33.829057][ T771] ? copy_msghdr_from_user+0x460/0x460 [ 33.829062][ T771] __sys_sendmsg+0x145/0x1f0 [ 33.829063][ T771] ? __sys_sendmsg_sock+0x20/0x20 [ 33.829064][ T771] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 33.829066][ T771] ? do_raw_spin_unlock+0x59/0x250 [ 33.829068][ T771] ? rcu_is_watching+0x15/0xd0 [ 33.829070][ T771] do_syscall_64+0x117/0x590 [ 33.829071][ T771] ? trace_hardirqs_off+0xd/0x30 [ 33.829074][ T771] ? exc_page_fault+0xee/0x100 [ 33.829076][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.829077][ T771] RIP: 0033:0x7f213f84508e [ 33.829080][ T771] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 33.829082][ T771] RSP: 002b:00007ffe3c3d27c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.829085][ T771] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f213f84508e [ 33.829086][ T771] RDX: 0000000000000000 RSI: 00007ffe3c3d2870 RDI: 0000000000000005 [ 33.829087][ T771] RBP: 00007ffe3c3d27d0 R08: 0000000000000000 R09: 0000000000000000 [ 33.829087][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195cbd [ 33.829088][ T771] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3c3d2f30 [ 33.829091][ T771] [ 33.845245][ T771] ip (771) used greatest stack depth: 23592 bytes left