[ 36.441163][ T463] 8021q: 802.1Q VLAN Support v1.8 [ 47.859510][ T632] [ 47.859603][ T632] ======================================================== [ 47.859745][ T632] WARNING: possible irq lock inversion dependency detected [ 47.859876][ T632] 7.1.0-rc5-virtme #1 Not tainted [ 47.859968][ T632] -------------------------------------------------------- [ 47.860097][ T632] ip/632 just changed the state of lock: [ 47.860188][ T632] ffffffffbb17e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 47.860355][ T632] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 47.860486][ T632] (&ndev->lock){++--}-{3:3} [ 47.860489][ T632] [ 47.860489][ T632] [ 47.860489][ T632] and interrupts could create inverse lock ordering between them. [ 47.860489][ T632] [ 47.860818][ T632] [ 47.860818][ T632] other info that might help us debug this: [ 47.860948][ T632] Possible interrupt unsafe locking scenario: [ 47.860948][ T632] [ 47.861077][ T632] CPU0 CPU1 [ 47.861163][ T632] ---- ---- [ 47.861249][ T632] lock(acaddr_hash_lock); [ 47.861337][ T632] local_irq_disable(); [ 47.861443][ T632] lock(&ndev->lock); [ 47.861553][ T632] lock(acaddr_hash_lock); [ 47.861664][ T632] [ 47.861733][ T632] lock(&ndev->lock); [ 47.861799][ T632] [ 47.861799][ T632] *** DEADLOCK *** [ 47.861799][ T632] [ 47.861926][ T632] 1 lock held by ip/632: [ 47.861992][ T632] #0: ffffffffbb08c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 47.862148][ T632] [ 47.862148][ T632] the shortest dependencies between 2nd lock and 1st lock: [ 47.862298][ T632] -> (&ndev->lock){++--}-{3:3} { [ 47.862392][ T632] HARDIRQ-ON-W at: [ 47.862459][ T632] __lock_acquire+0x378/0xc10 [ 47.862578][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.862691][ T632] _raw_write_lock_bh+0x38/0x50 [ 47.862804][ T632] addrconf_permanent_addr+0x108/0x9c0 [ 47.862933][ T632] addrconf_notify+0x151/0xf30 [ 47.863042][ T632] notifier_call_chain+0xb0/0x320 [ 47.863150][ T632] __dev_notify_flags+0xde/0x280 [ 47.863259][ T632] netif_change_flags+0xfe/0x190 [ 47.863366][ T632] do_setlink.isra.0+0x1cc3/0x2750 [ 47.863478][ T632] rtnl_newlink+0x8d1/0xef0 [ 47.863592][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.863706][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.863814][ T632] netlink_unicast+0x486/0x750 [ 47.863921][ T632] netlink_sendmsg+0x735/0xc60 [ 47.864029][ T632] ____sys_sendmsg+0x419/0x850 [ 47.864142][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.864250][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.864359][ T632] do_syscall_64+0x117/0x590 [ 47.864470][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.864600][ T632] HARDIRQ-ON-R at: [ 47.864664][ T632] __lock_acquire+0x378/0xc10 [ 47.864778][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.864888][ T632] _raw_read_lock_bh+0x44/0x80 [ 47.864997][ T632] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 47.865127][ T632] inet6_fill_link_af+0x5c/0xe0 [ 47.865234][ T632] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 47.865363][ T632] rtnl_getlink+0x9c9/0xeb0 [ 47.865473][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.865586][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.865696][ T632] netlink_unicast+0x486/0x750 [ 47.865804][ T632] netlink_sendmsg+0x735/0xc60 [ 47.865911][ T632] ____sys_sendmsg+0x419/0x850 [ 47.866018][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.866127][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.866236][ T632] do_syscall_64+0x117/0x590 [ 47.866341][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.866472][ T632] IN-SOFTIRQ-W at: [ 47.866537][ T632] __lock_acquire+0x378/0xc10 [ 47.866644][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.866760][ T632] _raw_write_lock+0x33/0x40 [ 47.866868][ T632] addrconf_rs_timer+0xb0/0x770 [ 47.866975][ T632] call_timer_fn+0x163/0x4f0 [ 47.867088][ T632] __run_timers+0x68f/0xab0 [ 47.867195][ T632] run_timer_softirq+0xf0/0x160 [ 47.867303][ T632] handle_softirqs+0x1d8/0x940 [ 47.867414][ T632] __irq_exit_rcu+0x103/0x1c0 [ 47.867521][ T632] irq_exit_rcu+0xe/0x30 [ 47.867628][ T632] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 47.867762][ T632] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 47.867890][ T632] pv_native_safe_halt+0xf/0x10 [ 47.867999][ T632] default_idle+0x9/0x10 [ 47.868108][ T632] default_idle_call+0x6e/0xb0 [ 47.868215][ T632] cpuidle_idle_call.constprop.0+0x237/0x410 [ 47.868344][ T632] do_idle+0xf5/0x160 [ 47.868452][ T632] cpu_startup_entry+0x53/0x70 [ 47.868559][ T632] start_secondary+0x204/0x2b0 [ 47.868673][ T632] common_startup_64+0x13e/0x148 [ 47.868790][ T632] IN-SOFTIRQ-R at: [ 47.868854][ T632] __lock_acquire+0x378/0xc10 [ 47.868965][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.869075][ T632] _raw_read_lock_bh+0x44/0x80 [ 47.869184][ T632] ipv6_get_lladdr+0xa8/0x3f0 [ 47.869295][ T632] addrconf_rs_timer+0x251/0x770 [ 47.869403][ T632] call_timer_fn+0x163/0x4f0 [ 47.869513][ T632] __run_timers+0x68f/0xab0 [ 47.869618][ T632] run_timer_softirq+0xf0/0x160 [ 47.869731][ T632] handle_softirqs+0x1d8/0x940 [ 47.869889][ T632] __irq_exit_rcu+0x103/0x1c0 [ 47.869998][ T632] irq_exit_rcu+0xe/0x30 [ 47.870105][ T632] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 47.870281][ T632] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 47.870410][ T632] pv_native_safe_halt+0xf/0x10 [ 47.870517][ T632] default_idle+0x9/0x10 [ 47.870680][ T632] default_idle_call+0x6e/0xb0 [ 47.870787][ T632] cpuidle_idle_call.constprop.0+0x237/0x410 [ 47.870921][ T632] do_idle+0xf5/0x160 [ 47.871075][ T632] cpu_startup_entry+0x53/0x70 [ 47.871186][ T632] start_secondary+0x204/0x2b0 [ 47.871295][ T632] common_startup_64+0x13e/0x148 [ 47.871450][ T632] INITIAL USE at: [ 47.871515][ T632] __lock_acquire+0x378/0xc10 [ 47.871623][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.871788][ T632] _raw_write_lock_bh+0x38/0x50 [ 47.871899][ T632] addrconf_permanent_addr+0x108/0x9c0 [ 47.872027][ T632] addrconf_notify+0x151/0xf30 [ 47.872180][ T632] notifier_call_chain+0xb0/0x320 [ 47.872289][ T632] __dev_notify_flags+0xde/0x280 [ 47.872398][ T632] netif_change_flags+0xfe/0x190 [ 47.872506][ T632] do_setlink.isra.0+0x1cc3/0x2750 [ 47.872661][ T632] rtnl_newlink+0x8d1/0xef0 [ 47.872777][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.872883][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.873040][ T632] netlink_unicast+0x486/0x750 [ 47.873148][ T632] netlink_sendmsg+0x735/0xc60 [ 47.873256][ T632] ____sys_sendmsg+0x419/0x850 [ 47.873412][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.873520][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.873629][ T632] do_syscall_64+0x117/0x590 [ 47.873795][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.873923][ T632] INITIAL READ USE at: [ 47.874008][ T632] __lock_acquire+0x378/0xc10 [ 47.874167][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.874303][ T632] _raw_read_lock_bh+0x44/0x80 [ 47.874416][ T632] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 47.874591][ T632] inet6_fill_link_af+0x5c/0xe0 [ 47.874701][ T632] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 47.874828][ T632] rtnl_getlink+0x9c9/0xeb0 [ 47.874982][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.875090][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.875201][ T632] netlink_unicast+0x486/0x750 [ 47.875358][ T632] netlink_sendmsg+0x735/0xc60 [ 47.875470][ T632] ____sys_sendmsg+0x419/0x850 [ 47.875577][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.875691][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.875845][ T632] do_syscall_64+0x117/0x590 [ 47.875952][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.876084][ T632] } [ 47.876175][ T632] ... key at: [] __key.37+0x0/0x40 [ 47.876311][ T632] ... acquired at: [ 47.876377][ T632] __lock_acquire+0x508/0xc10 [ 47.876464][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.876597][ T632] _raw_spin_lock+0x33/0x40 [ 47.876725][ T632] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 47.876841][ T632] __ipv6_dev_ac_inc+0x57e/0x930 [ 47.876927][ T632] addrconf_join_anycast+0x1bc/0x260 [ 47.877062][ T632] __ipv6_ifa_notify+0x75b/0xad0 [ 47.877148][ T632] addrconf_dad_completed+0x14b/0xe10 [ 47.877234][ T632] addrconf_dad_work+0x3c1/0x930 [ 47.877320][ T632] process_one_work+0xdf8/0x1410 [ 47.877458][ T632] worker_thread+0x4f1/0xd60 [ 47.877548][ T632] kthread+0x367/0x460 [ 47.877614][ T632] ret_from_fork+0x474/0x6b0 [ 47.877708][ T632] ret_from_fork_asm+0x11/0x20 [ 47.877848][ T632] [ 47.877893][ T632] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 47.877983][ T632] HARDIRQ-ON-W at: [ 47.878048][ T632] __lock_acquire+0x378/0xc10 [ 47.878202][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.878308][ T632] _raw_spin_lock+0x33/0x40 [ 47.878419][ T632] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 47.878597][ T632] __ipv6_dev_ac_inc+0x57e/0x930 [ 47.878712][ T632] addrconf_join_anycast+0x1bc/0x260 [ 47.878819][ T632] __ipv6_ifa_notify+0x75b/0xad0 [ 47.878926][ T632] addrconf_dad_completed+0x14b/0xe10 [ 47.879084][ T632] addrconf_dad_work+0x3c1/0x930 [ 47.879196][ T632] process_one_work+0xdf8/0x1410 [ 47.879306][ T632] worker_thread+0x4f1/0xd60 [ 47.879460][ T632] kthread+0x367/0x460 [ 47.879547][ T632] ret_from_fork+0x474/0x6b0 [ 47.879655][ T632] ret_from_fork_asm+0x11/0x20 [ 47.879818][ T632] SOFTIRQ-ON-W at: [ 47.879882][ T632] __lock_acquire+0x378/0xc10 [ 47.879989][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.880095][ T632] _raw_spin_lock+0x33/0x40 [ 47.880203][ T632] __ipv6_dev_ac_dec+0x236/0x5d0 [ 47.880313][ T632] addrconf_leave_anycast+0x1bc/0x260 [ 47.880422][ T632] __ipv6_ifa_notify+0x6b4/0xad0 [ 47.880530][ T632] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 47.880638][ T632] addrconf_notify+0x64c/0xf30 [ 47.880751][ T632] notifier_call_chain+0xb0/0x320 [ 47.880858][ T632] netif_set_mtu_ext+0x354/0x5f0 [ 47.880966][ T632] do_setlink.isra.0+0x784/0x2750 [ 47.881074][ T632] rtnl_newlink+0x8d1/0xef0 [ 47.881183][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.881290][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.881399][ T632] netlink_unicast+0x486/0x750 [ 47.881507][ T632] netlink_sendmsg+0x735/0xc60 [ 47.881615][ T632] ____sys_sendmsg+0x419/0x850 [ 47.881726][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.881833][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.881940][ T632] do_syscall_64+0x117/0x590 [ 47.882046][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.882175][ T632] INITIAL USE at: [ 47.882240][ T632] __lock_acquire+0x378/0xc10 [ 47.882350][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.882459][ T632] _raw_spin_lock+0x33/0x40 [ 47.882566][ T632] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 47.882698][ T632] __ipv6_dev_ac_inc+0x57e/0x930 [ 47.882804][ T632] addrconf_join_anycast+0x1bc/0x260 [ 47.882911][ T632] __ipv6_ifa_notify+0x75b/0xad0 [ 47.883022][ T632] addrconf_dad_completed+0x14b/0xe10 [ 47.883130][ T632] addrconf_dad_work+0x3c1/0x930 [ 47.883238][ T632] process_one_work+0xdf8/0x1410 [ 47.883348][ T632] worker_thread+0x4f1/0xd60 [ 47.883456][ T632] kthread+0x367/0x460 [ 47.883545][ T632] ret_from_fork+0x474/0x6b0 [ 47.883653][ T632] ret_from_fork_asm+0x11/0x20 [ 47.883764][ T632] } [ 47.883807][ T632] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 47.883935][ T632] ... acquired at: [ 47.883999][ T632] mark_lock+0x1d7/0xa00 [ 47.884086][ T632] mark_usage+0x105/0x170 [ 47.884170][ T632] __lock_acquire+0x378/0xc10 [ 47.884255][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.884339][ T632] _raw_spin_lock+0x33/0x40 [ 47.884428][ T632] __ipv6_dev_ac_dec+0x236/0x5d0 [ 47.884512][ T632] addrconf_leave_anycast+0x1bc/0x260 [ 47.884598][ T632] __ipv6_ifa_notify+0x6b4/0xad0 [ 47.884688][ T632] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 47.884774][ T632] addrconf_notify+0x64c/0xf30 [ 47.884859][ T632] notifier_call_chain+0xb0/0x320 [ 47.884944][ T632] netif_set_mtu_ext+0x354/0x5f0 [ 47.885143][ T632] do_setlink.isra.0+0x784/0x2750 [ 47.885229][ T632] rtnl_newlink+0x8d1/0xef0 [ 47.885314][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.885401][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.885535][ T632] netlink_unicast+0x486/0x750 [ 47.885620][ T632] netlink_sendmsg+0x735/0xc60 [ 47.885709][ T632] ____sys_sendmsg+0x419/0x850 [ 47.885796][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.885927][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.886011][ T632] do_syscall_64+0x117/0x590 [ 47.886098][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.886210][ T632] [ 47.886299][ T632] [ 47.886299][ T632] stack backtrace: [ 47.886410][ T632] CPU: 0 UID: 0 PID: 632 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 47.886413][ T632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.886415][ T632] Call Trace: [ 47.886417][ T632] [ 47.886418][ T632] dump_stack_lvl+0x6f/0xa0 [ 47.886422][ T632] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 47.886426][ T632] mark_lock_irq+0x989/0x9c0 [ 47.886428][ T632] mark_lock+0x1d7/0xa00 [ 47.886430][ T632] mark_usage+0x105/0x170 [ 47.886432][ T632] __lock_acquire+0x378/0xc10 [ 47.886434][ T632] lock_acquire.part.0+0xbc/0x260 [ 47.886435][ T632] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 47.886437][ T632] ? rcu_is_watching+0x15/0xd0 [ 47.886440][ T632] ? do_raw_read_unlock+0x70/0x70 [ 47.886442][ T632] ? lock_acquire+0x134/0x160 [ 47.886444][ T632] _raw_spin_lock+0x33/0x40 [ 47.886445][ T632] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 47.886447][ T632] __ipv6_dev_ac_dec+0x236/0x5d0 [ 47.886449][ T632] addrconf_leave_anycast+0x1bc/0x260 [ 47.886451][ T632] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 47.886452][ T632] ? __ipv6_isatap_ifid+0x210/0x210 [ 47.886455][ T632] ? nlmsg_notify+0x62/0x250 [ 47.886457][ T632] __ipv6_ifa_notify+0x6b4/0xad0 [ 47.886459][ T632] ? cleanup_prefix_route+0x550/0x550 [ 47.886461][ T632] ? find_held_lock+0x2b/0x80 [ 47.886464][ T632] ? __lock_release.isra.0+0x6b/0x1a0 [ 47.886465][ T632] ? __rwlock_init+0x150/0x150 [ 47.886467][ T632] ? mark_held_locks+0x40/0x70 [ 47.886468][ T632] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 47.886470][ T632] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 47.886473][ T632] ? addrconf_dad_run+0x1b0/0x1b0 [ 47.886475][ T632] ? rtmsg_ifinfo_build_skb+0x144/0x250 [ 47.886478][ T632] addrconf_notify+0x64c/0xf30 [ 47.886479][ T632] ? team_port_get_rtnl+0x65/0xc0 [ 47.886483][ T632] notifier_call_chain+0xb0/0x320 [ 47.886486][ T632] netif_set_mtu_ext+0x354/0x5f0 [ 47.886488][ T632] ? dev_validate_mtu+0x180/0x180 [ 47.886489][ T632] ? __lock_release.isra.0+0x6b/0x1a0 [ 47.886491][ T632] ? rtnl_af_lookup+0x290/0x290 [ 47.886492][ T632] ? is_bpf_text_address+0x72/0x110 [ 47.886496][ T632] do_setlink.isra.0+0x784/0x2750 [ 47.886498][ T632] ? rtnl_link_get_size+0x350/0x350 [ 47.886500][ T632] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 47.886502][ T632] ? rcu_read_lock_any_held+0x3c/0x90 [ 47.886504][ T632] ? validate_chain+0x38b/0xc20 [ 47.886505][ T632] ? rcu_read_lock_any_held+0x66/0x90 [ 47.886507][ T632] ? stack_depot_save_flags+0x367/0x770 [ 47.886510][ T632] ? __kernel_text_address+0x12/0x30 [ 47.886512][ T632] ? __lock_acquire+0x508/0xc10 [ 47.886514][ T632] ? lock_acquire.part.0+0xbc/0x260 [ 47.886515][ T632] ? rtnl_newlink+0x883/0xef0 [ 47.886517][ T632] ? rcu_is_watching+0x15/0xd0 [ 47.886518][ T632] ? lock_acquire+0x134/0x160 [ 47.886519][ T632] ? rcu_is_watching+0x15/0xd0 [ 47.886521][ T632] ? rcu_is_watching+0x15/0xd0 [ 47.886522][ T632] ? trace_contention_end+0xb3/0x1a0 [ 47.886525][ T632] ? __mutex_lock+0x1db/0x2010 [ 47.886526][ T632] ? __mutex_lock+0x9b2/0x2010 [ 47.886528][ T632] ? rtnl_newlink+0x883/0xef0 [ 47.886530][ T632] ? ww_mutex_lock+0x160/0x160 [ 47.886531][ T632] ? nla_get_range_signed+0x3d0/0x3d0 [ 47.886534][ T632] ? __rtnl_newlink+0x3fa/0xa50 [ 47.886536][ T632] rtnl_newlink+0x8d1/0xef0 [ 47.886538][ T632] ? lock_acquire.part.0+0xbc/0x260 [ 47.886539][ T632] ? find_held_lock+0x2b/0x80 [ 47.886541][ T632] ? __rtnl_newlink+0xa50/0xa50 [ 47.886543][ T632] ? mark_usage+0x61/0x170 [ 47.886544][ T632] ? __lock_release.isra.0+0x6b/0x1a0 [ 47.886546][ T632] ? lock_acquire.part.0+0xbc/0x260 [ 47.886547][ T632] ? find_held_lock+0x2b/0x80 [ 47.886549][ T632] ? __rtnl_newlink+0xa50/0xa50 [ 47.886551][ T632] ? __lock_release.isra.0+0x6b/0x1a0 [ 47.886552][ T632] ? __rtnl_newlink+0xa50/0xa50 [ 47.886554][ T632] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 47.886555][ T632] ? validate_chain+0x38b/0xc20 [ 47.886557][ T632] ? rtnl_link_fill+0x920/0x920 [ 47.886558][ T632] ? __lock_acquire+0x508/0xc10 [ 47.886560][ T632] ? lock_acquire.part.0+0xbc/0x260 [ 47.886561][ T632] ? find_held_lock+0x2b/0x80 [ 47.886564][ T632] netlink_rcv_skb+0x14e/0x3a0 [ 47.886565][ T632] ? rtnl_link_fill+0x920/0x920 [ 47.886567][ T632] ? netlink_ack+0xcf0/0xcf0 [ 47.886569][ T632] ? netlink_deliver_tap+0xc5/0x330 [ 47.886571][ T632] ? netlink_deliver_tap+0x13c/0x330 [ 47.886573][ T632] netlink_unicast+0x486/0x750 [ 47.886575][ T632] ? netlink_attachskb+0x810/0x810 [ 47.886577][ T632] ? __lock_acquire+0x508/0xc10 [ 47.886579][ T632] netlink_sendmsg+0x735/0xc60 [ 47.886581][ T632] ? netlink_unicast+0x750/0x750 [ 47.886583][ T632] ? __might_fault+0x97/0x140 [ 47.886586][ T632] ____sys_sendmsg+0x419/0x850 [ 47.886588][ T632] ? copy_msghdr_from_user+0x2a0/0x460 [ 47.886590][ T632] ? get_timestamp.constprop.0+0x390/0x390 [ 47.886591][ T632] ? move_addr_to_kernel+0x40/0x40 [ 47.886594][ T632] ? stack_depot_save_flags+0x367/0x770 [ 47.886595][ T632] ? validate_chain+0x38b/0xc20 [ 47.886597][ T632] ___sys_sendmsg+0x14e/0x1d0 [ 47.886599][ T632] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 47.886601][ T632] ? copy_msghdr_from_user+0x460/0x460 [ 47.886606][ T632] __sys_sendmsg+0x145/0x1f0 [ 47.886608][ T632] ? __sys_sendmsg_sock+0x20/0x20 [ 47.886609][ T632] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 47.886611][ T632] ? do_raw_spin_unlock+0x59/0x250 [ 47.886613][ T632] ? rcu_is_watching+0x15/0xd0 [ 47.886615][ T632] do_syscall_64+0x117/0x590 [ 47.886616][ T632] ? trace_hardirqs_off+0xd/0x30 [ 47.886619][ T632] ? exc_page_fault+0xee/0x100 [ 47.886621][ T632] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 47.886622][ T632] RIP: 0033:0x7f101853108e [ 47.886625][ T632] 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 [ 47.886627][ T632] RSP: 002b:00007ffe30381590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 47.886630][ T632] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f101853108e [ 47.886631][ T632] RDX: 0000000000000000 RSI: 00007ffe30381640 RDI: 0000000000000005 [ 47.886632][ T632] RBP: 00007ffe303815a0 R08: 0000000000000000 R09: 0000000000000000 [ 47.886633][ T632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1931b3 [ 47.886634][ T632] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe30381d00 [ 47.886636][ T632] [ 47.902098][ T632] ip (632) used greatest stack depth: 23656 bytes left