[ 265.936536][ T5749] [ 265.936639][ T5749] ======================================================== [ 265.936811][ T5749] WARNING: possible irq lock inversion dependency detected [ 265.936960][ T5749] 7.1.0-rc5-virtme #1 Not tainted [ 265.937058][ T5749] -------------------------------------------------------- [ 265.937204][ T5749] ip/5749 just changed the state of lock: [ 265.937305][ T5749] ffffffffa137e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 265.937495][ T5749] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 265.937640][ T5749] (&ndev->lock){++--}-{3:3} [ 265.937642][ T5749] [ 265.937642][ T5749] [ 265.937642][ T5749] and interrupts could create inverse lock ordering between them. [ 265.937642][ T5749] [ 265.938001][ T5749] [ 265.938001][ T5749] other info that might help us debug this: [ 265.938143][ T5749] Possible interrupt unsafe locking scenario: [ 265.938143][ T5749] [ 265.938289][ T5749] CPU0 CPU1 [ 265.938387][ T5749] ---- ---- [ 265.938490][ T5749] lock(acaddr_hash_lock); [ 265.938588][ T5749] local_irq_disable(); [ 265.938707][ T5749] lock(&ndev->lock); [ 265.938826][ T5749] lock(acaddr_hash_lock); [ 265.938945][ T5749] [ 265.939020][ T5749] lock(&ndev->lock); [ 265.939095][ T5749] [ 265.939095][ T5749] *** DEADLOCK *** [ 265.939095][ T5749] [ 265.939232][ T5749] 1 lock held by ip/5749: [ 265.939305][ T5749] #0: ffffffffa128c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 265.939481][ T5749] [ 265.939481][ T5749] the shortest dependencies between 2nd lock and 1st lock: [ 265.939644][ T5749] -> (&ndev->lock){++--}-{3:3} { [ 265.939745][ T5749] HARDIRQ-ON-W at: [ 265.939818][ T5749] __lock_acquire+0x378/0xc10 [ 265.939942][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.940063][ T5749] _raw_write_lock_bh+0x38/0x50 [ 265.940182][ T5749] addrconf_permanent_addr+0x108/0x9c0 [ 265.940325][ T5749] addrconf_notify+0x151/0xf30 [ 265.940446][ T5749] notifier_call_chain+0xb0/0x320 [ 265.940566][ T5749] __dev_notify_flags+0xde/0x280 [ 265.940684][ T5749] netif_change_flags+0xfe/0x190 [ 265.940806][ T5749] do_setlink.isra.0+0x1cc3/0x2750 [ 265.940932][ T5749] rtnl_newlink+0x8d1/0xef0 [ 265.941053][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.941172][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.941293][ T5749] netlink_unicast+0x486/0x750 [ 265.941413][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.941539][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.941660][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.941779][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.941898][ T5749] do_syscall_64+0x117/0x590 [ 265.942018][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.942162][ T5749] HARDIRQ-ON-R at: [ 265.942237][ T5749] __lock_acquire+0x378/0xc10 [ 265.942356][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.942485][ T5749] _raw_read_lock_bh+0x44/0x80 [ 265.942605][ T5749] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 265.942753][ T5749] inet6_fill_link_af+0x5c/0xe0 [ 265.942874][ T5749] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 265.943021][ T5749] rtnl_getlink+0x9c9/0xeb0 [ 265.943142][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.943262][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.943385][ T5749] netlink_unicast+0x486/0x750 [ 265.943514][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.943636][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.943762][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.943884][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.944006][ T5749] do_syscall_64+0x117/0x590 [ 265.944127][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.944272][ T5749] IN-SOFTIRQ-W at: [ 265.944346][ T5749] __lock_acquire+0x378/0xc10 [ 265.944471][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.944594][ T5749] _raw_write_lock+0x33/0x40 [ 265.944715][ T5749] addrconf_rs_timer+0xb0/0x770 [ 265.944837][ T5749] call_timer_fn+0x163/0x4f0 [ 265.944961][ T5749] __run_timers+0x68f/0xab0 [ 265.945081][ T5749] run_timer_softirq+0xf0/0x160 [ 265.945205][ T5749] handle_softirqs+0x1d8/0x940 [ 265.945327][ T5749] __irq_exit_rcu+0x103/0x1c0 [ 265.945452][ T5749] irq_exit_rcu+0xe/0x30 [ 265.945580][ T5749] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 265.945725][ T5749] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 265.945869][ T5749] pv_native_safe_halt+0xf/0x10 [ 265.945986][ T5749] default_idle+0x9/0x10 [ 265.946107][ T5749] default_idle_call+0x6e/0xb0 [ 265.946226][ T5749] cpuidle_idle_call.constprop.0+0x237/0x410 [ 265.946366][ T5749] do_idle+0xf5/0x160 [ 265.946488][ T5749] cpu_startup_entry+0x53/0x70 [ 265.946604][ T5749] start_secondary+0x204/0x2b0 [ 265.946725][ T5749] common_startup_64+0x13e/0x148 [ 265.946844][ T5749] IN-SOFTIRQ-R at: [ 265.946916][ T5749] __lock_acquire+0x378/0xc10 [ 265.947038][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.947159][ T5749] _raw_read_lock_bh+0x44/0x80 [ 265.947281][ T5749] ipv6_get_lladdr+0xa8/0x3f0 [ 265.947404][ T5749] addrconf_rs_timer+0x251/0x770 [ 265.947533][ T5749] call_timer_fn+0x163/0x4f0 [ 265.947655][ T5749] __run_timers+0x68f/0xab0 [ 265.947779][ T5749] run_timer_softirq+0xf0/0x160 [ 265.947900][ T5749] handle_softirqs+0x1d8/0x940 [ 265.948023][ T5749] __irq_exit_rcu+0x103/0x1c0 [ 265.948144][ T5749] irq_exit_rcu+0xe/0x30 [ 265.948267][ T5749] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 265.948410][ T5749] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 265.948556][ T5749] pv_native_safe_halt+0xf/0x10 [ 265.948731][ T5749] default_idle+0x9/0x10 [ 265.948849][ T5749] default_idle_call+0x6e/0xb0 [ 265.949020][ T5749] cpuidle_idle_call.constprop.0+0x237/0x410 [ 265.949161][ T5749] do_idle+0xf5/0x160 [ 265.949295][ T5749] cpu_startup_entry+0x53/0x70 [ 265.949469][ T5749] start_secondary+0x204/0x2b0 [ 265.949585][ T5749] common_startup_64+0x13e/0x148 [ 265.949703][ T5749] INITIAL USE at: [ 265.949773][ T5749] __lock_acquire+0x378/0xc10 [ 265.949891][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.950014][ T5749] _raw_write_lock_bh+0x38/0x50 [ 265.950131][ T5749] addrconf_permanent_addr+0x108/0x9c0 [ 265.950275][ T5749] addrconf_notify+0x151/0xf30 [ 265.950398][ T5749] notifier_call_chain+0xb0/0x320 [ 265.950526][ T5749] __dev_notify_flags+0xde/0x280 [ 265.950648][ T5749] netif_change_flags+0xfe/0x190 [ 265.950772][ T5749] do_setlink.isra.0+0x1cc3/0x2750 [ 265.950892][ T5749] rtnl_newlink+0x8d1/0xef0 [ 265.951014][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.951137][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.951258][ T5749] netlink_unicast+0x486/0x750 [ 265.951381][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.951510][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.951633][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.951808][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.951936][ T5749] do_syscall_64+0x117/0x590 [ 265.952061][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.952264][ T5749] INITIAL READ USE at: [ 265.952360][ T5749] __lock_acquire+0x378/0xc10 [ 265.952489][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.952687][ T5749] _raw_read_lock_bh+0x44/0x80 [ 265.952810][ T5749] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 265.952955][ T5749] inet6_fill_link_af+0x5c/0xe0 [ 265.953131][ T5749] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 265.953277][ T5749] rtnl_getlink+0x9c9/0xeb0 [ 265.953401][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.953584][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.953712][ T5749] netlink_unicast+0x486/0x750 [ 265.953833][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.954059][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.954181][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.954363][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.954542][ T5749] do_syscall_64+0x117/0x590 [ 265.954716][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.954916][ T5749] } [ 265.954968][ T5749] ... key at: [] __key.37+0x0/0x40 [ 265.955123][ T5749] ... acquired at: [ 265.955254][ T5749] __lock_acquire+0x508/0xc10 [ 265.955362][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.955472][ T5749] _raw_spin_lock+0x33/0x40 [ 265.955572][ T5749] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 265.955692][ T5749] __ipv6_dev_ac_inc+0x57e/0x930 [ 265.955788][ T5749] addrconf_join_anycast+0x1bc/0x260 [ 265.955886][ T5749] __ipv6_ifa_notify+0x75b/0xad0 [ 265.955983][ T5749] addrconf_dad_completed+0x14b/0xe10 [ 265.956081][ T5749] addrconf_dad_begin+0x2e1/0x540 [ 265.956280][ T5749] addrconf_dad_work+0x170/0x930 [ 265.956377][ T5749] process_one_work+0xdf8/0x1410 [ 265.956482][ T5749] worker_thread+0x4f1/0xd60 [ 265.956580][ T5749] kthread+0x367/0x460 [ 265.956657][ T5749] ret_from_fork+0x474/0x6b0 [ 265.956754][ T5749] ret_from_fork_asm+0x11/0x20 [ 265.956852][ T5749] [ 265.956904][ T5749] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 265.957003][ T5749] HARDIRQ-ON-W at: [ 265.957077][ T5749] __lock_acquire+0x378/0xc10 [ 265.957252][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.957372][ T5749] _raw_spin_lock+0x33/0x40 [ 265.957501][ T5749] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 265.957697][ T5749] __ipv6_dev_ac_inc+0x57e/0x930 [ 265.957817][ T5749] addrconf_join_anycast+0x1bc/0x260 [ 265.957938][ T5749] __ipv6_ifa_notify+0x75b/0xad0 [ 265.958112][ T5749] addrconf_dad_completed+0x14b/0xe10 [ 265.958234][ T5749] addrconf_dad_begin+0x2e1/0x540 [ 265.958358][ T5749] addrconf_dad_work+0x170/0x930 [ 265.958488][ T5749] process_one_work+0xdf8/0x1410 [ 265.958664][ T5749] worker_thread+0x4f1/0xd60 [ 265.958785][ T5749] kthread+0x367/0x460 [ 265.958886][ T5749] ret_from_fork+0x474/0x6b0 [ 265.959059][ T5749] ret_from_fork_asm+0x11/0x20 [ 265.959181][ T5749] SOFTIRQ-ON-W at: [ 265.959252][ T5749] __lock_acquire+0x378/0xc10 [ 265.959374][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.959556][ T5749] _raw_spin_lock+0x33/0x40 [ 265.959677][ T5749] __ipv6_dev_ac_dec+0x236/0x5d0 [ 265.959797][ T5749] addrconf_leave_anycast+0x1bc/0x260 [ 265.959973][ T5749] __ipv6_ifa_notify+0x6b4/0xad0 [ 265.960093][ T5749] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 265.960214][ T5749] addrconf_notify+0x339/0xf30 [ 265.960389][ T5749] notifier_call_chain+0xb0/0x320 [ 265.960517][ T5749] __netdev_upper_dev_link+0x3a5/0x590 [ 265.960640][ T5749] netdev_master_upper_dev_link+0x86/0xb0 [ 265.960838][ T5749] vrf_add_slave+0xdd/0x210 [vrf] [ 265.960960][ T5749] do_set_master+0x357/0x580 [ 265.961081][ T5749] do_setlink.isra.0+0xa31/0x2750 [ 265.961255][ T5749] rtnl_newlink+0x8d1/0xef0 [ 265.961377][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.961506][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.961682][ T5749] netlink_unicast+0x486/0x750 [ 265.961804][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.961924][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.962049][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.962221][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.962341][ T5749] do_syscall_64+0x117/0x590 [ 265.962465][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.962663][ T5749] INITIAL USE at: [ 265.962736][ T5749] __lock_acquire+0x378/0xc10 [ 265.962858][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.963030][ T5749] _raw_spin_lock+0x33/0x40 [ 265.963153][ T5749] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 265.963300][ T5749] __ipv6_dev_ac_inc+0x57e/0x930 [ 265.963481][ T5749] addrconf_join_anycast+0x1bc/0x260 [ 265.963603][ T5749] __ipv6_ifa_notify+0x75b/0xad0 [ 265.963724][ T5749] addrconf_dad_completed+0x14b/0xe10 [ 265.963899][ T5749] addrconf_dad_begin+0x2e1/0x540 [ 265.964021][ T5749] addrconf_dad_work+0x170/0x930 [ 265.964142][ T5749] process_one_work+0xdf8/0x1410 [ 265.964267][ T5749] worker_thread+0x4f1/0xd60 [ 265.964446][ T5749] kthread+0x367/0x460 [ 265.964548][ T5749] ret_from_fork+0x474/0x6b0 [ 265.964669][ T5749] ret_from_fork_asm+0x11/0x20 [ 265.964842][ T5749] } [ 265.964892][ T5749] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 265.965040][ T5749] ... acquired at: [ 265.965113][ T5749] mark_lock+0x1d7/0xa00 [ 265.965262][ T5749] mark_usage+0x105/0x170 [ 265.965360][ T5749] __lock_acquire+0x378/0xc10 [ 265.965458][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.965554][ T5749] _raw_spin_lock+0x33/0x40 [ 265.965703][ T5749] __ipv6_dev_ac_dec+0x236/0x5d0 [ 265.965800][ T5749] addrconf_leave_anycast+0x1bc/0x260 [ 265.965899][ T5749] __ipv6_ifa_notify+0x6b4/0xad0 [ 265.965994][ T5749] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 265.966141][ T5749] addrconf_notify+0x339/0xf30 [ 265.966239][ T5749] notifier_call_chain+0xb0/0x320 [ 265.966337][ T5749] __netdev_upper_dev_link+0x3a5/0x590 [ 265.966436][ T5749] netdev_master_upper_dev_link+0x86/0xb0 [ 265.966611][ T5749] vrf_add_slave+0xdd/0x210 [vrf] [ 265.966709][ T5749] do_set_master+0x357/0x580 [ 265.966805][ T5749] do_setlink.isra.0+0xa31/0x2750 [ 265.966900][ T5749] rtnl_newlink+0x8d1/0xef0 [ 265.967048][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.967146][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.967242][ T5749] netlink_unicast+0x486/0x750 [ 265.967339][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.967495][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.967594][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.967693][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.967791][ T5749] do_syscall_64+0x117/0x590 [ 265.967938][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.968060][ T5749] [ 265.968108][ T5749] [ 265.968108][ T5749] stack backtrace: [ 265.968227][ T5749] CPU: 0 UID: 0 PID: 5749 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 265.968230][ T5749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 265.968232][ T5749] Call Trace: [ 265.968233][ T5749] [ 265.968235][ T5749] dump_stack_lvl+0x6f/0xa0 [ 265.968239][ T5749] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 265.968242][ T5749] mark_lock_irq+0x989/0x9c0 [ 265.968245][ T5749] mark_lock+0x1d7/0xa00 [ 265.968248][ T5749] mark_usage+0x105/0x170 [ 265.968249][ T5749] __lock_acquire+0x378/0xc10 [ 265.968251][ T5749] lock_acquire.part.0+0xbc/0x260 [ 265.968253][ T5749] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 265.968255][ T5749] ? rcu_is_watching+0x15/0xd0 [ 265.968258][ T5749] ? do_raw_read_unlock+0x70/0x70 [ 265.968260][ T5749] ? lock_acquire+0x134/0x160 [ 265.968262][ T5749] _raw_spin_lock+0x33/0x40 [ 265.968263][ T5749] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 265.968265][ T5749] __ipv6_dev_ac_dec+0x236/0x5d0 [ 265.968267][ T5749] addrconf_leave_anycast+0x1bc/0x260 [ 265.968269][ T5749] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 265.968271][ T5749] ? __ipv6_isatap_ifid+0x210/0x210 [ 265.968273][ T5749] ? nlmsg_notify+0x62/0x250 [ 265.968275][ T5749] __ipv6_ifa_notify+0x6b4/0xad0 [ 265.968277][ T5749] ? cleanup_prefix_route+0x550/0x550 [ 265.968279][ T5749] ? find_held_lock+0x2b/0x80 [ 265.968283][ T5749] ? __lock_release.isra.0+0x6b/0x1a0 [ 265.968284][ T5749] ? __rwlock_init+0x150/0x150 [ 265.968286][ T5749] ? mark_held_locks+0x40/0x70 [ 265.968288][ T5749] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 265.968290][ T5749] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 265.968293][ T5749] ? addrconf_dad_run+0x1b0/0x1b0 [ 265.968295][ T5749] ? neigh_flush_one+0x580/0x580 [ 265.968298][ T5749] addrconf_notify+0x339/0xf30 [ 265.968300][ T5749] ? team_port_get_rtnl+0x65/0xc0 [ 265.968303][ T5749] notifier_call_chain+0xb0/0x320 [ 265.968306][ T5749] __netdev_upper_dev_link+0x3a5/0x590 [ 265.968308][ T5749] ? netdev_wait_allrefs_any+0x570/0x570 [ 265.968310][ T5749] ? find_held_lock+0x2b/0x80 [ 265.968313][ T5749] ? __lock_acquire+0x508/0xc10 [ 265.968314][ T5749] ? __lock_acquire+0x508/0xc10 [ 265.968317][ T5749] netdev_master_upper_dev_link+0x86/0xb0 [ 265.968319][ T5749] ? netdev_upper_dev_link+0xb0/0xb0 [ 265.968320][ T5749] ? __lock_release.isra.0+0x6b/0x1a0 [ 265.968323][ T5749] vrf_add_slave+0xdd/0x210 [vrf] [ 265.968324][ T5749] ? rtnl_is_locked+0x15/0x20 [ 265.968326][ T5749] do_set_master+0x357/0x580 [ 265.968327][ T5749] ? kernel_text_address+0x149/0x170 [ 265.968330][ T5749] do_setlink.isra.0+0xa31/0x2750 [ 265.968333][ T5749] ? rtnl_link_get_size+0x350/0x350 [ 265.968335][ T5749] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 265.968337][ T5749] ? rcu_read_lock_any_held+0x3c/0x90 [ 265.968339][ T5749] ? validate_chain+0x38b/0xc20 [ 265.968340][ T5749] ? rcu_read_lock_any_held+0x66/0x90 [ 265.968341][ T5749] ? stack_depot_save_flags+0x367/0x770 [ 265.968344][ T5749] ? __kernel_text_address+0x12/0x30 [ 265.968346][ T5749] ? __lock_acquire+0x508/0xc10 [ 265.968348][ T5749] ? lock_acquire.part.0+0xbc/0x260 [ 265.968350][ T5749] ? rtnl_newlink+0x883/0xef0 [ 265.968351][ T5749] ? rcu_is_watching+0x15/0xd0 [ 265.968353][ T5749] ? lock_acquire+0x134/0x160 [ 265.968354][ T5749] ? rcu_is_watching+0x15/0xd0 [ 265.968356][ T5749] ? rcu_is_watching+0x15/0xd0 [ 265.968357][ T5749] ? trace_contention_end+0xb3/0x1a0 [ 265.968360][ T5749] ? __mutex_lock+0x1db/0x2010 [ 265.968362][ T5749] ? __mutex_lock+0x9b2/0x2010 [ 265.968363][ T5749] ? rtnl_newlink+0x883/0xef0 [ 265.968365][ T5749] ? ww_mutex_lock+0x160/0x160 [ 265.968366][ T5749] ? nla_get_range_signed+0x3d0/0x3d0 [ 265.968370][ T5749] ? __rtnl_newlink+0x3fa/0xa50 [ 265.968372][ T5749] rtnl_newlink+0x8d1/0xef0 [ 265.968374][ T5749] ? lock_acquire.part.0+0xbc/0x260 [ 265.968376][ T5749] ? find_held_lock+0x2b/0x80 [ 265.968378][ T5749] ? __rtnl_newlink+0xa50/0xa50 [ 265.968379][ T5749] ? mark_usage+0x61/0x170 [ 265.968380][ T5749] ? __lock_release.isra.0+0x6b/0x1a0 [ 265.968383][ T5749] ? lock_acquire.part.0+0xbc/0x260 [ 265.968384][ T5749] ? find_held_lock+0x2b/0x80 [ 265.968386][ T5749] ? __rtnl_newlink+0xa50/0xa50 [ 265.968387][ T5749] ? __lock_release.isra.0+0x6b/0x1a0 [ 265.968389][ T5749] ? __rtnl_newlink+0xa50/0xa50 [ 265.968391][ T5749] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 265.968392][ T5749] ? validate_chain+0x38b/0xc20 [ 265.968394][ T5749] ? rtnl_link_fill+0x920/0x920 [ 265.968395][ T5749] ? __lock_acquire+0x508/0xc10 [ 265.968397][ T5749] ? lock_acquire.part.0+0xbc/0x260 [ 265.968398][ T5749] ? find_held_lock+0x2b/0x80 [ 265.968401][ T5749] netlink_rcv_skb+0x14e/0x3a0 [ 265.968403][ T5749] ? rtnl_link_fill+0x920/0x920 [ 265.968404][ T5749] ? netlink_ack+0xcf0/0xcf0 [ 265.968407][ T5749] ? netlink_deliver_tap+0xc5/0x330 [ 265.968409][ T5749] ? netlink_deliver_tap+0x13c/0x330 [ 265.968411][ T5749] netlink_unicast+0x486/0x750 [ 265.968414][ T5749] ? netlink_attachskb+0x810/0x810 [ 265.968416][ T5749] ? __lock_acquire+0x508/0xc10 [ 265.968418][ T5749] netlink_sendmsg+0x735/0xc60 [ 265.968420][ T5749] ? netlink_unicast+0x750/0x750 [ 265.968422][ T5749] ? __might_fault+0x97/0x140 [ 265.968426][ T5749] ____sys_sendmsg+0x419/0x850 [ 265.968428][ T5749] ? copy_msghdr_from_user+0x2a0/0x460 [ 265.968430][ T5749] ? get_timestamp.constprop.0+0x390/0x390 [ 265.968431][ T5749] ? move_addr_to_kernel+0x40/0x40 [ 265.968438][ T5749] ? stack_depot_save_flags+0x367/0x770 [ 265.968439][ T5749] ? validate_chain+0x38b/0xc20 [ 265.968441][ T5749] ___sys_sendmsg+0x14e/0x1d0 [ 265.968443][ T5749] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 265.968445][ T5749] ? copy_msghdr_from_user+0x460/0x460 [ 265.968452][ T5749] __sys_sendmsg+0x145/0x1f0 [ 265.968453][ T5749] ? __sys_sendmsg_sock+0x20/0x20 [ 265.968454][ T5749] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 265.968457][ T5749] ? do_raw_spin_unlock+0x59/0x250 [ 265.968459][ T5749] ? rcu_is_watching+0x15/0xd0 [ 265.968461][ T5749] do_syscall_64+0x117/0x590 [ 265.968462][ T5749] ? trace_hardirqs_off+0xd/0x30 [ 265.968465][ T5749] ? exc_page_fault+0xee/0x100 [ 265.968467][ T5749] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 265.968469][ T5749] RIP: 0033:0x7fb75db4b08e [ 265.968472][ T5749] 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 [ 265.968474][ T5749] RSP: 002b:00007ffd4b994430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 265.968477][ T5749] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb75db4b08e [ 265.968478][ T5749] RDX: 0000000000000000 RSI: 00007ffd4b9944e0 RDI: 0000000000000005 [ 265.968479][ T5749] RBP: 00007ffd4b994440 R08: 0000000000000000 R09: 0000000000000000 [ 265.968480][ T5749] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195baf [ 265.968481][ T5749] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b994ba0 [ 265.968484][ T5749]