[ 37.915614][ T825] 8021q: 802.1Q VLAN Support v1.8 [ 38.075310][ T830] gre: GRE over IPv4 demultiplexer driver [ 38.090789][ T830] ip_gre: GRE over IPv4 tunneling driver [ 38.757248][ T858] [ 38.757347][ T858] ======================================================== [ 38.757504][ T858] WARNING: possible irq lock inversion dependency detected [ 38.757648][ T858] 7.1.0-rc5-virtme #1 Not tainted [ 38.757747][ T858] -------------------------------------------------------- [ 38.757889][ T858] ip/858 just changed the state of lock: [ 38.757985][ T858] ffffffffb8d7e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 38.758165][ T858] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 38.758318][ T858] (&ndev->lock){++--}-{3:3} [ 38.758321][ T858] [ 38.758321][ T858] [ 38.758321][ T858] and interrupts could create inverse lock ordering between them. [ 38.758321][ T858] [ 38.758688][ T858] [ 38.758688][ T858] other info that might help us debug this: [ 38.758831][ T858] Possible interrupt unsafe locking scenario: [ 38.758831][ T858] [ 38.758976][ T858] CPU0 CPU1 [ 38.759073][ T858] ---- ---- [ 38.759168][ T858] lock(acaddr_hash_lock); [ 38.759268][ T858] local_irq_disable(); [ 38.759390][ T858] lock(&ndev->lock); [ 38.759507][ T858] lock(acaddr_hash_lock); [ 38.759631][ T858] [ 38.759706][ T858] lock(&ndev->lock); [ 38.759780][ T858] [ 38.759780][ T858] *** DEADLOCK *** [ 38.759780][ T858] [ 38.759929][ T858] 1 lock held by ip/858: [ 38.760002][ T858] #0: ffffffffb8c8c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 38.760177][ T858] [ 38.760177][ T858] the shortest dependencies between 2nd lock and 1st lock: [ 38.760346][ T858] -> (&ndev->lock){++--}-{3:3} { [ 38.760445][ T858] HARDIRQ-ON-W at: [ 38.760518][ T858] __lock_acquire+0x378/0xc10 [ 38.760642][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.760761][ T858] _raw_write_lock_bh+0x38/0x50 [ 38.760881][ T858] addrconf_permanent_addr+0x108/0x9c0 [ 38.761027][ T858] addrconf_notify+0x151/0xf30 [ 38.761145][ T858] notifier_call_chain+0xb0/0x320 [ 38.761269][ T858] __dev_notify_flags+0xde/0x280 [ 38.761388][ T858] netif_change_flags+0xfe/0x190 [ 38.761507][ T858] do_setlink.isra.0+0x1cc3/0x2750 [ 38.761626][ T858] rtnl_newlink+0x8d1/0xef0 [ 38.761743][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.761861][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.761980][ T858] netlink_unicast+0x486/0x750 [ 38.762097][ T858] netlink_sendmsg+0x735/0xc60 [ 38.762217][ T858] ____sys_sendmsg+0x419/0x850 [ 38.762341][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.762467][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.762588][ T858] do_syscall_64+0x117/0x590 [ 38.762707][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.762857][ T858] HARDIRQ-ON-R at: [ 38.762930][ T858] __lock_acquire+0x378/0xc10 [ 38.763054][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.763181][ T858] _raw_read_lock_bh+0x44/0x80 [ 38.763311][ T858] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 38.763459][ T858] inet6_fill_link_af+0x5c/0xe0 [ 38.763587][ T858] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 38.763736][ T858] rtnl_getlink+0x9c9/0xeb0 [ 38.763861][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.763988][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.764115][ T858] netlink_unicast+0x486/0x750 [ 38.764243][ T858] netlink_sendmsg+0x735/0xc60 [ 38.764370][ T858] ____sys_sendmsg+0x419/0x850 [ 38.764498][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.764623][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.764750][ T858] do_syscall_64+0x117/0x590 [ 38.764879][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.765026][ T858] IN-SOFTIRQ-W at: [ 38.765100][ T858] __lock_acquire+0x378/0xc10 [ 38.765224][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.765350][ T858] _raw_write_lock+0x33/0x40 [ 38.765471][ T858] addrconf_rs_timer+0xb0/0x770 [ 38.765590][ T858] call_timer_fn+0x163/0x4f0 [ 38.765713][ T858] __run_timers+0x68f/0xab0 [ 38.765834][ T858] run_timer_softirq+0xf0/0x160 [ 38.765957][ T858] handle_softirqs+0x1d8/0x940 [ 38.766081][ T858] __irq_exit_rcu+0x103/0x1c0 [ 38.766209][ T858] irq_exit_rcu+0xe/0x30 [ 38.766343][ T858] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 38.766495][ T858] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 38.766647][ T858] pv_native_safe_halt+0xf/0x10 [ 38.766773][ T858] default_idle+0x9/0x10 [ 38.766892][ T858] default_idle_call+0x6e/0xb0 [ 38.767022][ T858] cpuidle_idle_call.constprop.0+0x237/0x410 [ 38.767175][ T858] do_idle+0xf5/0x160 [ 38.767309][ T858] cpu_startup_entry+0x53/0x70 [ 38.767434][ T858] rest_init+0x1f7/0x200 [ 38.767558][ T858] start_kernel+0x3ad/0x3b0 [ 38.767690][ T858] x86_64_start_reservations+0x24/0x30 [ 38.767838][ T858] x86_64_start_kernel+0x12b/0x130 [ 38.767969][ T858] common_startup_64+0x13e/0x148 [ 38.768099][ T858] IN-SOFTIRQ-R at: [ 38.768176][ T858] __lock_acquire+0x378/0xc10 [ 38.768303][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.768427][ T858] _raw_read_lock_bh+0x44/0x80 [ 38.768549][ T858] ipv6_get_lladdr+0xa8/0x3f0 [ 38.768673][ T858] addrconf_rs_timer+0x251/0x770 [ 38.768799][ T858] call_timer_fn+0x163/0x4f0 [ 38.768923][ T858] __run_timers+0x68f/0xab0 [ 38.769051][ T858] run_timer_softirq+0xf0/0x160 [ 38.769168][ T858] handle_softirqs+0x1d8/0x940 [ 38.769291][ T858] __irq_exit_rcu+0x103/0x1c0 [ 38.769417][ T858] irq_exit_rcu+0xe/0x30 [ 38.769546][ T858] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 38.769693][ T858] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 38.769838][ T858] pv_native_safe_halt+0xf/0x10 [ 38.769963][ T858] default_idle+0x9/0x10 [ 38.770087][ T858] default_idle_call+0x6e/0xb0 [ 38.770214][ T858] cpuidle_idle_call.constprop.0+0x237/0x410 [ 38.770369][ T858] do_idle+0xf5/0x160 [ 38.770492][ T858] cpu_startup_entry+0x53/0x70 [ 38.770617][ T858] rest_init+0x1f7/0x200 [ 38.770738][ T858] start_kernel+0x3ad/0x3b0 [ 38.770861][ T858] x86_64_start_reservations+0x24/0x30 [ 38.771011][ T858] x86_64_start_kernel+0x12b/0x130 [ 38.771137][ T858] common_startup_64+0x13e/0x148 [ 38.771262][ T858] INITIAL USE at: [ 38.771339][ T858] __lock_acquire+0x378/0xc10 [ 38.771463][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.771586][ T858] _raw_write_lock_bh+0x38/0x50 [ 38.771706][ T858] addrconf_permanent_addr+0x108/0x9c0 [ 38.771851][ T858] addrconf_notify+0x151/0xf30 [ 38.771980][ T858] notifier_call_chain+0xb0/0x320 [ 38.772103][ T858] __dev_notify_flags+0xde/0x280 [ 38.772231][ T858] netif_change_flags+0xfe/0x190 [ 38.772365][ T858] do_setlink.isra.0+0x1cc3/0x2750 [ 38.772486][ T858] rtnl_newlink+0x8d1/0xef0 [ 38.772617][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.772737][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.772864][ T858] netlink_unicast+0x486/0x750 [ 38.772992][ T858] netlink_sendmsg+0x735/0xc60 [ 38.773114][ T858] ____sys_sendmsg+0x419/0x850 [ 38.773245][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.773377][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.773502][ T858] do_syscall_64+0x117/0x590 [ 38.773634][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.773788][ T858] INITIAL READ USE at: [ 38.773894][ T858] __lock_acquire+0x378/0xc10 [ 38.774021][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.774174][ T858] _raw_read_lock_bh+0x44/0x80 [ 38.774309][ T858] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 38.774461][ T858] inet6_fill_link_af+0x5c/0xe0 [ 38.774593][ T858] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 38.774745][ T858] rtnl_getlink+0x9c9/0xeb0 [ 38.774869][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.774993][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.775119][ T858] netlink_unicast+0x486/0x750 [ 38.775257][ T858] netlink_sendmsg+0x735/0xc60 [ 38.775380][ T858] ____sys_sendmsg+0x419/0x850 [ 38.775508][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.775635][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.775755][ T858] do_syscall_64+0x117/0x590 [ 38.775884][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.776031][ T858] } [ 38.776082][ T858] ... key at: [] __key.37+0x0/0x40 [ 38.776235][ T858] ... acquired at: [ 38.776316][ T858] __lock_acquire+0x508/0xc10 [ 38.776417][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.776514][ T858] _raw_spin_lock+0x33/0x40 [ 38.776609][ T858] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 38.776736][ T858] __ipv6_dev_ac_inc+0x57e/0x930 [ 38.776837][ T858] addrconf_join_anycast+0x1bc/0x260 [ 38.776932][ T858] __ipv6_ifa_notify+0x75b/0xad0 [ 38.777027][ T858] addrconf_dad_completed+0x14b/0xe10 [ 38.777124][ T858] addrconf_dad_begin+0x2e1/0x540 [ 38.777223][ T858] addrconf_dad_work+0x170/0x930 [ 38.777323][ T858] process_one_work+0xdf8/0x1410 [ 38.777430][ T858] worker_thread+0x4f1/0xd60 [ 38.777554][ T858] kthread+0x367/0x460 [ 38.777626][ T858] ret_from_fork+0x474/0x6b0 [ 38.777726][ T858] ret_from_fork_asm+0x11/0x20 [ 38.777823][ T858] [ 38.777875][ T858] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 38.777978][ T858] HARDIRQ-ON-W at: [ 38.778049][ T858] __lock_acquire+0x378/0xc10 [ 38.778181][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.778309][ T858] _raw_spin_lock+0x33/0x40 [ 38.778434][ T858] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 38.778589][ T858] __ipv6_dev_ac_inc+0x57e/0x930 [ 38.778709][ T858] addrconf_join_anycast+0x1bc/0x260 [ 38.778833][ T858] __ipv6_ifa_notify+0x75b/0xad0 [ 38.778959][ T858] addrconf_dad_completed+0x14b/0xe10 [ 38.779083][ T858] addrconf_dad_begin+0x2e1/0x540 [ 38.779209][ T858] addrconf_dad_work+0x170/0x930 [ 38.779340][ T858] process_one_work+0xdf8/0x1410 [ 38.779464][ T858] worker_thread+0x4f1/0xd60 [ 38.779594][ T858] kthread+0x367/0x460 [ 38.779697][ T858] ret_from_fork+0x474/0x6b0 [ 38.779825][ T858] ret_from_fork_asm+0x11/0x20 [ 38.779950][ T858] SOFTIRQ-ON-W at: [ 38.780028][ T858] __lock_acquire+0x378/0xc10 [ 38.780156][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.780284][ T858] _raw_spin_lock+0x33/0x40 [ 38.780417][ T858] __ipv6_dev_ac_dec+0x236/0x5d0 [ 38.780540][ T858] addrconf_leave_anycast+0x1bc/0x260 [ 38.780667][ T858] __ipv6_ifa_notify+0x6b4/0xad0 [ 38.780790][ T858] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 38.780917][ T858] addrconf_notify+0x339/0xf30 [ 38.781040][ T858] notifier_call_chain+0xb0/0x320 [ 38.781167][ T858] __netdev_upper_dev_link+0x3a5/0x590 [ 38.781296][ T858] netdev_master_upper_dev_link+0x86/0xb0 [ 38.781450][ T858] vrf_add_slave+0xdd/0x210 [vrf] [ 38.781575][ T858] do_set_master+0x357/0x580 [ 38.781701][ T858] do_setlink.isra.0+0xa31/0x2750 [ 38.781829][ T858] rtnl_newlink+0x8d1/0xef0 [ 38.781960][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.782089][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.782213][ T858] netlink_unicast+0x486/0x750 [ 38.782346][ T858] netlink_sendmsg+0x735/0xc60 [ 38.782466][ T858] ____sys_sendmsg+0x419/0x850 [ 38.782585][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.782706][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.782827][ T858] do_syscall_64+0x117/0x590 [ 38.782950][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.783093][ T858] INITIAL USE at: [ 38.783165][ T858] __lock_acquire+0x378/0xc10 [ 38.783297][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.783420][ T858] _raw_spin_lock+0x33/0x40 [ 38.783552][ T858] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 38.783698][ T858] __ipv6_dev_ac_inc+0x57e/0x930 [ 38.783819][ T858] addrconf_join_anycast+0x1bc/0x260 [ 38.783939][ T858] __ipv6_ifa_notify+0x75b/0xad0 [ 38.784069][ T858] addrconf_dad_completed+0x14b/0xe10 [ 38.784189][ T858] addrconf_dad_begin+0x2e1/0x540 [ 38.784320][ T858] addrconf_dad_work+0x170/0x930 [ 38.784451][ T858] process_one_work+0xdf8/0x1410 [ 38.784580][ T858] worker_thread+0x4f1/0xd60 [ 38.784708][ T858] kthread+0x367/0x460 [ 38.784810][ T858] ret_from_fork+0x474/0x6b0 [ 38.784936][ T858] ret_from_fork_asm+0x11/0x20 [ 38.785062][ T858] } [ 38.785113][ T858] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 38.785277][ T858] ... acquired at: [ 38.785353][ T858] mark_lock+0x1d7/0xa00 [ 38.785458][ T858] mark_usage+0x105/0x170 [ 38.785560][ T858] __lock_acquire+0x378/0xc10 [ 38.785661][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.785757][ T858] _raw_spin_lock+0x33/0x40 [ 38.785854][ T858] __ipv6_dev_ac_dec+0x236/0x5d0 [ 38.785954][ T858] addrconf_leave_anycast+0x1bc/0x260 [ 38.786053][ T858] __ipv6_ifa_notify+0x6b4/0xad0 [ 38.786154][ T858] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 38.786258][ T858] addrconf_notify+0x339/0xf30 [ 38.786357][ T858] notifier_call_chain+0xb0/0x320 [ 38.786460][ T858] __netdev_upper_dev_link+0x3a5/0x590 [ 38.786559][ T858] netdev_master_upper_dev_link+0x86/0xb0 [ 38.786680][ T858] vrf_add_slave+0xdd/0x210 [vrf] [ 38.786784][ T858] do_set_master+0x357/0x580 [ 38.786896][ T858] do_setlink.isra.0+0xa31/0x2750 [ 38.786999][ T858] rtnl_newlink+0x8d1/0xef0 [ 38.787104][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.787201][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.787317][ T858] netlink_unicast+0x486/0x750 [ 38.787419][ T858] netlink_sendmsg+0x735/0xc60 [ 38.787529][ T858] ____sys_sendmsg+0x419/0x850 [ 38.787630][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.787731][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.787825][ T858] do_syscall_64+0x117/0x590 [ 38.787923][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.788105][ T858] [ 38.788158][ T858] [ 38.788158][ T858] stack backtrace: [ 38.788291][ T858] CPU: 3 UID: 0 PID: 858 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 38.788294][ T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.788297][ T858] Call Trace: [ 38.788298][ T858] [ 38.788299][ T858] dump_stack_lvl+0x6f/0xa0 [ 38.788306][ T858] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 38.788310][ T858] mark_lock_irq+0x989/0x9c0 [ 38.788313][ T858] mark_lock+0x1d7/0xa00 [ 38.788315][ T858] mark_usage+0x105/0x170 [ 38.788317][ T858] __lock_acquire+0x378/0xc10 [ 38.788319][ T858] lock_acquire.part.0+0xbc/0x260 [ 38.788321][ T858] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 38.788323][ T858] ? rcu_is_watching+0x15/0xd0 [ 38.788326][ T858] ? do_raw_read_unlock+0x70/0x70 [ 38.788328][ T858] ? lock_acquire+0x134/0x160 [ 38.788329][ T858] _raw_spin_lock+0x33/0x40 [ 38.788331][ T858] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 38.788333][ T858] __ipv6_dev_ac_dec+0x236/0x5d0 [ 38.788335][ T858] addrconf_leave_anycast+0x1bc/0x260 [ 38.788337][ T858] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 38.788339][ T858] ? __ipv6_isatap_ifid+0x210/0x210 [ 38.788341][ T858] ? nlmsg_notify+0x62/0x250 [ 38.788343][ T858] __ipv6_ifa_notify+0x6b4/0xad0 [ 38.788345][ T858] ? cleanup_prefix_route+0x550/0x550 [ 38.788347][ T858] ? find_held_lock+0x2b/0x80 [ 38.788351][ T858] ? __lock_release.isra.0+0x6b/0x1a0 [ 38.788354][ T858] ? __rwlock_init+0x150/0x150 [ 38.788356][ T858] ? mark_held_locks+0x40/0x70 [ 38.788359][ T858] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 38.788361][ T858] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 38.788364][ T858] ? addrconf_dad_run+0x1b0/0x1b0 [ 38.788366][ T858] ? neigh_flush_one+0x580/0x580 [ 38.788369][ T858] addrconf_notify+0x339/0xf30 [ 38.788371][ T858] ? team_port_get_rtnl+0x65/0xc0 [ 38.788375][ T858] notifier_call_chain+0xb0/0x320 [ 38.788377][ T858] __netdev_upper_dev_link+0x3a5/0x590 [ 38.788380][ T858] ? netdev_wait_allrefs_any+0x570/0x570 [ 38.788382][ T858] ? find_held_lock+0x2b/0x80 [ 38.788384][ T858] ? __lock_acquire+0x508/0xc10 [ 38.788386][ T858] ? __lock_acquire+0x508/0xc10 [ 38.788388][ T858] netdev_master_upper_dev_link+0x86/0xb0 [ 38.788390][ T858] ? netdev_upper_dev_link+0xb0/0xb0 [ 38.788392][ T858] ? __lock_release.isra.0+0x6b/0x1a0 [ 38.788394][ T858] vrf_add_slave+0xdd/0x210 [vrf] [ 38.788396][ T858] ? rtnl_is_locked+0x15/0x20 [ 38.788398][ T858] do_set_master+0x357/0x580 [ 38.788399][ T858] ? kernel_text_address+0x149/0x170 [ 38.788402][ T858] do_setlink.isra.0+0xa31/0x2750 [ 38.788405][ T858] ? rtnl_link_get_size+0x350/0x350 [ 38.788407][ T858] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 38.788409][ T858] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.788411][ T858] ? validate_chain+0x38b/0xc20 [ 38.788412][ T858] ? rcu_read_lock_any_held+0x66/0x90 [ 38.788413][ T858] ? stack_depot_save_flags+0x367/0x770 [ 38.788417][ T858] ? __kernel_text_address+0x12/0x30 [ 38.788418][ T858] ? __lock_acquire+0x508/0xc10 [ 38.788420][ T858] ? lock_acquire.part.0+0xbc/0x260 [ 38.788422][ T858] ? rtnl_newlink+0x883/0xef0 [ 38.788423][ T858] ? rcu_is_watching+0x15/0xd0 [ 38.788425][ T858] ? lock_acquire+0x134/0x160 [ 38.788426][ T858] ? rcu_is_watching+0x15/0xd0 [ 38.788428][ T858] ? rcu_is_watching+0x15/0xd0 [ 38.788429][ T858] ? trace_contention_end+0xb3/0x1a0 [ 38.788432][ T858] ? __mutex_lock+0x1db/0x2010 [ 38.788433][ T858] ? __mutex_lock+0x9b2/0x2010 [ 38.788435][ T858] ? rtnl_newlink+0x883/0xef0 [ 38.788437][ T858] ? ww_mutex_lock+0x160/0x160 [ 38.788438][ T858] ? nla_get_range_signed+0x3d0/0x3d0 [ 38.788441][ T858] ? __rtnl_newlink+0x3fa/0xa50 [ 38.788444][ T858] rtnl_newlink+0x8d1/0xef0 [ 38.788446][ T858] ? lock_acquire.part.0+0xbc/0x260 [ 38.788447][ T858] ? find_held_lock+0x2b/0x80 [ 38.788449][ T858] ? __rtnl_newlink+0xa50/0xa50 [ 38.788451][ T858] ? mark_usage+0x61/0x170 [ 38.788452][ T858] ? __lock_release.isra.0+0x6b/0x1a0 [ 38.788454][ T858] ? lock_acquire.part.0+0xbc/0x260 [ 38.788455][ T858] ? find_held_lock+0x2b/0x80 [ 38.788457][ T858] ? __rtnl_newlink+0xa50/0xa50 [ 38.788459][ T858] ? __lock_release.isra.0+0x6b/0x1a0 [ 38.788461][ T858] ? __rtnl_newlink+0xa50/0xa50 [ 38.788462][ T858] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.788464][ T858] ? validate_chain+0x38b/0xc20 [ 38.788465][ T858] ? rtnl_link_fill+0x920/0x920 [ 38.788467][ T858] ? __lock_acquire+0x508/0xc10 [ 38.788469][ T858] ? lock_acquire.part.0+0xbc/0x260 [ 38.788470][ T858] ? find_held_lock+0x2b/0x80 [ 38.788472][ T858] netlink_rcv_skb+0x14e/0x3a0 [ 38.788474][ T858] ? rtnl_link_fill+0x920/0x920 [ 38.788476][ T858] ? netlink_ack+0xcf0/0xcf0 [ 38.788479][ T858] ? netlink_deliver_tap+0xc5/0x330 [ 38.788480][ T858] ? netlink_deliver_tap+0x13c/0x330 [ 38.788483][ T858] netlink_unicast+0x486/0x750 [ 38.788485][ T858] ? netlink_attachskb+0x810/0x810 [ 38.788487][ T858] ? __lock_acquire+0x508/0xc10 [ 38.788489][ T858] netlink_sendmsg+0x735/0xc60 [ 38.788491][ T858] ? netlink_unicast+0x750/0x750 [ 38.788493][ T858] ? __might_fault+0x97/0x140 [ 38.788498][ T858] ____sys_sendmsg+0x419/0x850 [ 38.788501][ T858] ? copy_msghdr_from_user+0x2a0/0x460 [ 38.788504][ T858] ? get_timestamp.constprop.0+0x390/0x390 [ 38.788506][ T858] ? move_addr_to_kernel+0x40/0x40 [ 38.788509][ T858] ? stack_depot_save_flags+0x367/0x770 [ 38.788510][ T858] ? validate_chain+0x38b/0xc20 [ 38.788512][ T858] ___sys_sendmsg+0x14e/0x1d0 [ 38.788514][ T858] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 38.788516][ T858] ? copy_msghdr_from_user+0x460/0x460 [ 38.788522][ T858] __sys_sendmsg+0x145/0x1f0 [ 38.788523][ T858] ? __sys_sendmsg_sock+0x20/0x20 [ 38.788524][ T858] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 38.788527][ T858] ? do_raw_spin_unlock+0x59/0x250 [ 38.788528][ T858] ? rcu_is_watching+0x15/0xd0 [ 38.788531][ T858] do_syscall_64+0x117/0x590 [ 38.788532][ T858] ? trace_hardirqs_off+0xd/0x30 [ 38.788535][ T858] ? exc_page_fault+0xee/0x100 [ 38.788537][ T858] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.788539][ T858] RIP: 0033:0x7f443b8ce08e [ 38.788542][ T858] 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 [ 38.788544][ T858] RSP: 002b:00007ffeae3b3fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.788547][ T858] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f443b8ce08e [ 38.788548][ T858] RDX: 0000000000000000 RSI: 00007ffeae3b4050 RDI: 0000000000000005 [ 38.788549][ T858] RBP: 00007ffeae3b3fb0 R08: 0000000000000000 R09: 0000000000000000 [ 38.788550][ T858] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195bab [ 38.788551][ T858] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeae3b4710 [ 38.788553][ T858] [ 38.807055][ T858] ip (858) used greatest stack depth: 23384 bytes left