[ 69.081121][ T1194] [ 69.081211][ T1194] ======================================================== [ 69.081372][ T1194] WARNING: possible irq lock inversion dependency detected [ 69.081508][ T1194] 7.1.0-rc5-virtme #1 Not tainted [ 69.081609][ T1194] -------------------------------------------------------- [ 69.081745][ T1194] ip/1194 just changed the state of lock: [ 69.081833][ T1194] ffffffff8f57e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 69.081992][ T1194] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 69.082137][ T1194] (&ndev->lock){++--}-{3:3} [ 69.082140][ T1194] [ 69.082140][ T1194] [ 69.082140][ T1194] and interrupts could create inverse lock ordering between them. [ 69.082140][ T1194] [ 69.082445][ T1194] [ 69.082445][ T1194] other info that might help us debug this: [ 69.082570][ T1194] Possible interrupt unsafe locking scenario: [ 69.082570][ T1194] [ 69.082694][ T1194] CPU0 CPU1 [ 69.082780][ T1194] ---- ---- [ 69.082863][ T1194] lock(acaddr_hash_lock); [ 69.082948][ T1194] local_irq_disable(); [ 69.083052][ T1194] lock(&ndev->lock); [ 69.083153][ T1194] lock(acaddr_hash_lock); [ 69.083258][ T1194] [ 69.083326][ T1194] lock(&ndev->lock); [ 69.083391][ T1194] [ 69.083391][ T1194] *** DEADLOCK *** [ 69.083391][ T1194] [ 69.083512][ T1194] 1 lock held by ip/1194: [ 69.083576][ T1194] #0: ffffffff8f48c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 69.083730][ T1194] [ 69.083730][ T1194] the shortest dependencies between 2nd lock and 1st lock: [ 69.083880][ T1194] -> (&ndev->lock){++--}-{3:3} { [ 69.083966][ T1194] HARDIRQ-ON-W at: [ 69.084030][ T1194] __lock_acquire+0x378/0xc10 [ 69.084141][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.084245][ T1194] _raw_write_lock_bh+0x38/0x50 [ 69.084361][ T1194] addrconf_permanent_addr+0x108/0x9c0 [ 69.084486][ T1194] addrconf_notify+0x151/0xf30 [ 69.084589][ T1194] notifier_call_chain+0xb0/0x320 [ 69.084694][ T1194] __dev_notify_flags+0xde/0x280 [ 69.084802][ T1194] netif_change_flags+0xfe/0x190 [ 69.084906][ T1194] do_setlink.isra.0+0x1cc3/0x2750 [ 69.085009][ T1194] rtnl_newlink+0x8d1/0xef0 [ 69.085116][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.085220][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.085331][ T1194] netlink_unicast+0x486/0x750 [ 69.085435][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.085539][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.085647][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.085752][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.085860][ T1194] do_syscall_64+0x117/0x590 [ 69.085968][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.086098][ T1194] HARDIRQ-ON-R at: [ 69.086161][ T1194] __lock_acquire+0x378/0xc10 [ 69.086264][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.086378][ T1194] _raw_read_lock_bh+0x44/0x80 [ 69.086482][ T1194] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 69.086611][ T1194] inet6_fill_link_af+0x5c/0xe0 [ 69.086723][ T1194] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 69.086856][ T1194] rtnl_getlink+0x9c9/0xeb0 [ 69.086968][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.087079][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.087195][ T1194] netlink_unicast+0x486/0x750 [ 69.087310][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.087424][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.087536][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.087650][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.087763][ T1194] do_syscall_64+0x117/0x590 [ 69.087876][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.088009][ T1194] IN-SOFTIRQ-W at: [ 69.088078][ T1194] __lock_acquire+0x378/0xc10 [ 69.088187][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.088314][ T1194] _raw_write_lock+0x33/0x40 [ 69.088429][ T1194] addrconf_rs_timer+0xb0/0x770 [ 69.088541][ T1194] call_timer_fn+0x163/0x4f0 [ 69.088657][ T1194] __run_timers+0x68f/0xab0 [ 69.088769][ T1194] run_timer_softirq+0xf0/0x160 [ 69.088880][ T1194] handle_softirqs+0x1d8/0x940 [ 69.088994][ T1194] __irq_exit_rcu+0x103/0x1c0 [ 69.089105][ T1194] irq_exit_rcu+0xe/0x30 [ 69.089216][ T1194] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 69.089363][ T1194] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 69.089502][ T1194] pv_native_safe_halt+0xf/0x10 [ 69.089614][ T1194] default_idle+0x9/0x10 [ 69.089727][ T1194] default_idle_call+0x6e/0xb0 [ 69.089842][ T1194] cpuidle_idle_call.constprop.0+0x237/0x410 [ 69.089977][ T1194] do_idle+0xf5/0x160 [ 69.090089][ T1194] cpu_startup_entry+0x53/0x70 [ 69.090199][ T1194] start_secondary+0x204/0x2b0 [ 69.090320][ T1194] common_startup_64+0x13e/0x148 [ 69.090434][ T1194] IN-SOFTIRQ-R at: [ 69.090500][ T1194] __lock_acquire+0x378/0xc10 [ 69.090610][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.090725][ T1194] _raw_read_lock_bh+0x44/0x80 [ 69.090842][ T1194] ipv6_get_lladdr+0xa8/0x3f0 [ 69.090962][ T1194] addrconf_rs_timer+0x251/0x770 [ 69.091079][ T1194] call_timer_fn+0x163/0x4f0 [ 69.091195][ T1194] __run_timers+0x68f/0xab0 [ 69.091312][ T1194] run_timer_softirq+0xf0/0x160 [ 69.091426][ T1194] handle_softirqs+0x1d8/0x940 [ 69.091541][ T1194] __irq_exit_rcu+0x103/0x1c0 [ 69.091656][ T1194] irq_exit_rcu+0xe/0x30 [ 69.091774][ T1194] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 69.091913][ T1194] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 69.092049][ T1194] pv_native_safe_halt+0xf/0x10 [ 69.092164][ T1194] default_idle+0x9/0x10 [ 69.092276][ T1194] default_idle_call+0x6e/0xb0 [ 69.092396][ T1194] cpuidle_idle_call.constprop.0+0x237/0x410 [ 69.092535][ T1194] do_idle+0xf5/0x160 [ 69.092649][ T1194] cpu_startup_entry+0x53/0x70 [ 69.092757][ T1194] start_secondary+0x204/0x2b0 [ 69.092868][ T1194] common_startup_64+0x13e/0x148 [ 69.092981][ T1194] INITIAL USE at: [ 69.093048][ T1194] __lock_acquire+0x378/0xc10 [ 69.093156][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.093267][ T1194] _raw_write_lock_bh+0x38/0x50 [ 69.093383][ T1194] addrconf_permanent_addr+0x108/0x9c0 [ 69.093513][ T1194] addrconf_notify+0x151/0xf30 [ 69.093620][ T1194] notifier_call_chain+0xb0/0x320 [ 69.093730][ T1194] __dev_notify_flags+0xde/0x280 [ 69.093842][ T1194] netif_change_flags+0xfe/0x190 [ 69.093952][ T1194] do_setlink.isra.0+0x1cc3/0x2750 [ 69.094060][ T1194] rtnl_newlink+0x8d1/0xef0 [ 69.094170][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.094277][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.094393][ T1194] netlink_unicast+0x486/0x750 [ 69.094502][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.094611][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.094721][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.094829][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.094938][ T1194] do_syscall_64+0x117/0x590 [ 69.095046][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.095176][ T1194] INITIAL READ USE at: [ 69.095262][ T1194] __lock_acquire+0x378/0xc10 [ 69.095374][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.095501][ T1194] _raw_read_lock_bh+0x44/0x80 [ 69.095609][ T1194] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 69.095740][ T1194] inet6_fill_link_af+0x5c/0xe0 [ 69.095848][ T1194] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 69.095975][ T1194] rtnl_getlink+0x9c9/0xeb0 [ 69.096081][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.096190][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.096299][ T1194] netlink_unicast+0x486/0x750 [ 69.096409][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.096514][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.096616][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.096723][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.096832][ T1194] do_syscall_64+0x117/0x590 [ 69.096939][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.097064][ T1194] } [ 69.097107][ T1194] ... key at: [] __key.37+0x0/0x40 [ 69.097238][ T1194] ... acquired at: [ 69.097304][ T1194] __lock_acquire+0x508/0xc10 [ 69.097389][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.097473][ T1194] _raw_spin_lock+0x33/0x40 [ 69.097556][ T1194] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 69.097661][ T1194] __ipv6_dev_ac_inc+0x57e/0x930 [ 69.097745][ T1194] addrconf_join_anycast+0x1bc/0x260 [ 69.097831][ T1194] __ipv6_ifa_notify+0x75b/0xad0 [ 69.097924][ T1194] addrconf_dad_completed+0x14b/0xe10 [ 69.098020][ T1194] addrconf_dad_begin+0x2e1/0x540 [ 69.098115][ T1194] addrconf_dad_work+0x170/0x930 [ 69.098207][ T1194] process_one_work+0xdf8/0x1410 [ 69.098305][ T1194] worker_thread+0x4f1/0xd60 [ 69.098397][ T1194] kthread+0x367/0x460 [ 69.098465][ T1194] ret_from_fork+0x474/0x6b0 [ 69.098549][ T1194] ret_from_fork_asm+0x11/0x20 [ 69.098638][ T1194] [ 69.098682][ T1194] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 69.098770][ T1194] HARDIRQ-ON-W at: [ 69.098833][ T1194] __lock_acquire+0x378/0xc10 [ 69.098939][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.099043][ T1194] _raw_spin_lock+0x33/0x40 [ 69.099146][ T1194] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 69.099280][ T1194] __ipv6_dev_ac_inc+0x57e/0x930 [ 69.099398][ T1194] addrconf_join_anycast+0x1bc/0x260 [ 69.099506][ T1194] __ipv6_ifa_notify+0x75b/0xad0 [ 69.099615][ T1194] addrconf_dad_completed+0x14b/0xe10 [ 69.099728][ T1194] addrconf_dad_begin+0x2e1/0x540 [ 69.099842][ T1194] addrconf_dad_work+0x170/0x930 [ 69.099952][ T1194] process_one_work+0xdf8/0x1410 [ 69.100063][ T1194] worker_thread+0x4f1/0xd60 [ 69.100175][ T1194] kthread+0x367/0x460 [ 69.100266][ T1194] ret_from_fork+0x474/0x6b0 [ 69.100388][ T1194] ret_from_fork_asm+0x11/0x20 [ 69.100500][ T1194] SOFTIRQ-ON-W at: [ 69.100566][ T1194] __lock_acquire+0x378/0xc10 [ 69.100680][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.100791][ T1194] _raw_spin_lock+0x33/0x40 [ 69.100905][ T1194] __ipv6_dev_ac_dec+0x236/0x5d0 [ 69.101016][ T1194] addrconf_leave_anycast+0x1bc/0x260 [ 69.101131][ T1194] __ipv6_ifa_notify+0x6b4/0xad0 [ 69.101240][ T1194] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 69.101357][ T1194] addrconf_notify+0x339/0xf30 [ 69.101469][ T1194] notifier_call_chain+0xb0/0x320 [ 69.101582][ T1194] __netdev_upper_dev_link+0x3a5/0x590 [ 69.101695][ T1194] netdev_master_upper_dev_link+0x86/0xb0 [ 69.101829][ T1194] vrf_add_slave+0xdd/0x210 [vrf] [ 69.101945][ T1194] do_set_master+0x357/0x580 [ 69.102052][ T1194] do_setlink.isra.0+0xa31/0x2750 [ 69.102159][ T1194] rtnl_newlink+0x8d1/0xef0 [ 69.102267][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.102378][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.102486][ T1194] netlink_unicast+0x486/0x750 [ 69.102592][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.102699][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.102810][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.102920][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.103025][ T1194] do_syscall_64+0x117/0x590 [ 69.103134][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.103261][ T1194] INITIAL USE at: [ 69.103329][ T1194] __lock_acquire+0x378/0xc10 [ 69.103439][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.103546][ T1194] _raw_spin_lock+0x33/0x40 [ 69.103654][ T1194] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 69.103786][ T1194] __ipv6_dev_ac_inc+0x57e/0x930 [ 69.103893][ T1194] addrconf_join_anycast+0x1bc/0x260 [ 69.104002][ T1194] __ipv6_ifa_notify+0x75b/0xad0 [ 69.104113][ T1194] addrconf_dad_completed+0x14b/0xe10 [ 69.104219][ T1194] addrconf_dad_begin+0x2e1/0x540 [ 69.104331][ T1194] addrconf_dad_work+0x170/0x930 [ 69.104437][ T1194] process_one_work+0xdf8/0x1410 [ 69.104545][ T1194] worker_thread+0x4f1/0xd60 [ 69.104655][ T1194] kthread+0x367/0x460 [ 69.104741][ T1194] ret_from_fork+0x474/0x6b0 [ 69.104850][ T1194] ret_from_fork_asm+0x11/0x20 [ 69.104959][ T1194] } [ 69.105001][ T1194] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 69.105129][ T1194] ... acquired at: [ 69.105192][ T1194] mark_lock+0x1d7/0xa00 [ 69.105278][ T1194] mark_usage+0x105/0x170 [ 69.105371][ T1194] __lock_acquire+0x378/0xc10 [ 69.105457][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.105541][ T1194] _raw_spin_lock+0x33/0x40 [ 69.105628][ T1194] __ipv6_dev_ac_dec+0x236/0x5d0 [ 69.105713][ T1194] addrconf_leave_anycast+0x1bc/0x260 [ 69.105803][ T1194] __ipv6_ifa_notify+0x6b4/0xad0 [ 69.105893][ T1194] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 69.105978][ T1194] addrconf_notify+0x339/0xf30 [ 69.106068][ T1194] notifier_call_chain+0xb0/0x320 [ 69.106150][ T1194] __netdev_upper_dev_link+0x3a5/0x590 [ 69.106233][ T1194] netdev_master_upper_dev_link+0x86/0xb0 [ 69.106341][ T1194] vrf_add_slave+0xdd/0x210 [vrf] [ 69.106424][ T1194] do_set_master+0x357/0x580 [ 69.106510][ T1194] do_setlink.isra.0+0xa31/0x2750 [ 69.106595][ T1194] rtnl_newlink+0x8d1/0xef0 [ 69.106681][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.106767][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.106855][ T1194] netlink_unicast+0x486/0x750 [ 69.106943][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.107028][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.107113][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.107199][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.107283][ T1194] do_syscall_64+0x117/0x590 [ 69.107372][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.107478][ T1194] [ 69.107520][ T1194] [ 69.107520][ T1194] stack backtrace: [ 69.107641][ T1194] CPU: 0 UID: 0 PID: 1194 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 69.107644][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.107647][ T1194] Call Trace: [ 69.107649][ T1194] [ 69.107650][ T1194] dump_stack_lvl+0x6f/0xa0 [ 69.107654][ T1194] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 69.107658][ T1194] mark_lock_irq+0x989/0x9c0 [ 69.107661][ T1194] mark_lock+0x1d7/0xa00 [ 69.107662][ T1194] mark_usage+0x105/0x170 [ 69.107664][ T1194] __lock_acquire+0x378/0xc10 [ 69.107666][ T1194] lock_acquire.part.0+0xbc/0x260 [ 69.107668][ T1194] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 69.107669][ T1194] ? rcu_is_watching+0x15/0xd0 [ 69.107672][ T1194] ? do_raw_read_unlock+0x70/0x70 [ 69.107674][ T1194] ? lock_acquire+0x134/0x160 [ 69.107676][ T1194] _raw_spin_lock+0x33/0x40 [ 69.107678][ T1194] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 69.107679][ T1194] __ipv6_dev_ac_dec+0x236/0x5d0 [ 69.107682][ T1194] addrconf_leave_anycast+0x1bc/0x260 [ 69.107683][ T1194] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 69.107685][ T1194] ? __ipv6_isatap_ifid+0x210/0x210 [ 69.107687][ T1194] ? nlmsg_notify+0x62/0x250 [ 69.107689][ T1194] __ipv6_ifa_notify+0x6b4/0xad0 [ 69.107692][ T1194] ? cleanup_prefix_route+0x550/0x550 [ 69.107694][ T1194] ? find_held_lock+0x2b/0x80 [ 69.107697][ T1194] ? __lock_release.isra.0+0x6b/0x1a0 [ 69.107698][ T1194] ? __rwlock_init+0x150/0x150 [ 69.107699][ T1194] ? mark_held_locks+0x40/0x70 [ 69.107701][ T1194] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 69.107703][ T1194] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 69.107706][ T1194] ? addrconf_dad_run+0x1b0/0x1b0 [ 69.107708][ T1194] ? neigh_flush_one+0x580/0x580 [ 69.107711][ T1194] addrconf_notify+0x339/0xf30 [ 69.107713][ T1194] ? team_port_get_rtnl+0x65/0xc0 [ 69.107717][ T1194] notifier_call_chain+0xb0/0x320 [ 69.107719][ T1194] __netdev_upper_dev_link+0x3a5/0x590 [ 69.107721][ T1194] ? netdev_wait_allrefs_any+0x570/0x570 [ 69.107723][ T1194] ? find_held_lock+0x2b/0x80 [ 69.107726][ T1194] ? __lock_acquire+0x508/0xc10 [ 69.107727][ T1194] ? __lock_acquire+0x508/0xc10 [ 69.107730][ T1194] netdev_master_upper_dev_link+0x86/0xb0 [ 69.107732][ T1194] ? netdev_upper_dev_link+0xb0/0xb0 [ 69.107734][ T1194] ? __lock_release.isra.0+0x6b/0x1a0 [ 69.107736][ T1194] vrf_add_slave+0xdd/0x210 [vrf] [ 69.107738][ T1194] ? rtnl_is_locked+0x15/0x20 [ 69.107739][ T1194] do_set_master+0x357/0x580 [ 69.107741][ T1194] ? kernel_text_address+0x149/0x170 [ 69.107743][ T1194] do_setlink.isra.0+0xa31/0x2750 [ 69.107746][ T1194] ? rtnl_link_get_size+0x350/0x350 [ 69.107748][ T1194] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 69.107750][ T1194] ? rcu_read_lock_any_held+0x3c/0x90 [ 69.107752][ T1194] ? validate_chain+0x38b/0xc20 [ 69.107753][ T1194] ? rcu_read_lock_any_held+0x66/0x90 [ 69.107754][ T1194] ? stack_depot_save_flags+0x367/0x770 [ 69.107757][ T1194] ? __kernel_text_address+0x12/0x30 [ 69.107759][ T1194] ? __lock_acquire+0x508/0xc10 [ 69.107761][ T1194] ? lock_acquire.part.0+0xbc/0x260 [ 69.107762][ T1194] ? rtnl_newlink+0x883/0xef0 [ 69.107764][ T1194] ? rcu_is_watching+0x15/0xd0 [ 69.107766][ T1194] ? lock_acquire+0x134/0x160 [ 69.107767][ T1194] ? rcu_is_watching+0x15/0xd0 [ 69.107768][ T1194] ? rcu_is_watching+0x15/0xd0 [ 69.107770][ T1194] ? trace_contention_end+0xb3/0x1a0 [ 69.107773][ T1194] ? __mutex_lock+0x1db/0x2010 [ 69.107774][ T1194] ? __mutex_lock+0x9b2/0x2010 [ 69.107776][ T1194] ? rtnl_newlink+0x883/0xef0 [ 69.107778][ T1194] ? ww_mutex_lock+0x160/0x160 [ 69.107779][ T1194] ? nla_get_range_signed+0x3d0/0x3d0 [ 69.107782][ T1194] ? __rtnl_newlink+0x3fa/0xa50 [ 69.107785][ T1194] rtnl_newlink+0x8d1/0xef0 [ 69.107787][ T1194] ? lock_acquire.part.0+0xbc/0x260 [ 69.107788][ T1194] ? find_held_lock+0x2b/0x80 [ 69.107790][ T1194] ? __rtnl_newlink+0xa50/0xa50 [ 69.107791][ T1194] ? mark_usage+0x61/0x170 [ 69.107793][ T1194] ? __lock_release.isra.0+0x6b/0x1a0 [ 69.107795][ T1194] ? lock_acquire.part.0+0xbc/0x260 [ 69.107796][ T1194] ? find_held_lock+0x2b/0x80 [ 69.107799][ T1194] ? __rtnl_newlink+0xa50/0xa50 [ 69.107800][ T1194] ? __lock_release.isra.0+0x6b/0x1a0 [ 69.107802][ T1194] ? __rtnl_newlink+0xa50/0xa50 [ 69.107803][ T1194] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 69.107805][ T1194] ? validate_chain+0x38b/0xc20 [ 69.107806][ T1194] ? rtnl_link_fill+0x920/0x920 [ 69.107808][ T1194] ? __lock_acquire+0x508/0xc10 [ 69.107810][ T1194] ? lock_acquire.part.0+0xbc/0x260 [ 69.107811][ T1194] ? find_held_lock+0x2b/0x80 [ 69.107814][ T1194] netlink_rcv_skb+0x14e/0x3a0 [ 69.107815][ T1194] ? rtnl_link_fill+0x920/0x920 [ 69.107817][ T1194] ? netlink_ack+0xcf0/0xcf0 [ 69.107820][ T1194] ? netlink_deliver_tap+0xc5/0x330 [ 69.107822][ T1194] ? netlink_deliver_tap+0x13c/0x330 [ 69.107824][ T1194] netlink_unicast+0x486/0x750 [ 69.107826][ T1194] ? netlink_attachskb+0x810/0x810 [ 69.107828][ T1194] ? __lock_acquire+0x508/0xc10 [ 69.107830][ T1194] netlink_sendmsg+0x735/0xc60 [ 69.107832][ T1194] ? netlink_unicast+0x750/0x750 [ 69.107834][ T1194] ? __might_fault+0x97/0x140 [ 69.107838][ T1194] ____sys_sendmsg+0x419/0x850 [ 69.107840][ T1194] ? copy_msghdr_from_user+0x2a0/0x460 [ 69.107841][ T1194] ? get_timestamp.constprop.0+0x390/0x390 [ 69.107843][ T1194] ? move_addr_to_kernel+0x40/0x40 [ 69.107846][ T1194] ? stack_depot_save_flags+0x367/0x770 [ 69.107847][ T1194] ? validate_chain+0x38b/0xc20 [ 69.107849][ T1194] ___sys_sendmsg+0x14e/0x1d0 [ 69.107851][ T1194] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 69.107853][ T1194] ? copy_msghdr_from_user+0x460/0x460 [ 69.107858][ T1194] __sys_sendmsg+0x145/0x1f0 [ 69.107860][ T1194] ? __sys_sendmsg_sock+0x20/0x20 [ 69.107861][ T1194] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 69.107863][ T1194] ? do_raw_spin_unlock+0x59/0x250 [ 69.107865][ T1194] ? rcu_is_watching+0x15/0xd0 [ 69.107867][ T1194] do_syscall_64+0x117/0x590 [ 69.107869][ T1194] ? trace_hardirqs_off+0xd/0x30 [ 69.107871][ T1194] ? exc_page_fault+0xee/0x100 [ 69.107874][ T1194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.107875][ T1194] RIP: 0033:0x7fcdfc35f08e [ 69.107878][ T1194] 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 [ 69.107880][ T1194] RSP: 002b:00007fffe4ed7630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 69.107883][ T1194] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcdfc35f08e [ 69.107885][ T1194] RDX: 0000000000000000 RSI: 00007fffe4ed76e0 RDI: 0000000000000005 [ 69.107886][ T1194] RBP: 00007fffe4ed7640 R08: 0000000000000000 R09: 0000000000000000 [ 69.107886][ T1194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a19318c [ 69.107887][ T1194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe4ed7da0 [ 69.107890][ T1194] [ 69.122217][ T1194] ip (1194) used greatest stack depth: 23384 bytes left