[ 37.320023][ T1267] 8021q: 802.1Q VLAN Support v1.8 [ 37.456314][ T1273] gre: GRE over IPv4 demultiplexer driver [ 37.488215][ T1273] ip6_gre: GRE over IPv6 tunneling driver [ 37.582315][ T1278] [ 37.582387][ T1278] ======================================================== [ 37.582529][ T1278] WARNING: possible irq lock inversion dependency detected [ 37.582667][ T1278] 7.1.0-rc5-virtme #1 Not tainted [ 37.582758][ T1278] -------------------------------------------------------- [ 37.582908][ T1278] ip/1278 just changed the state of lock: [ 37.583005][ T1278] ffffffffb257e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 37.583170][ T1278] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 37.583302][ T1278] (&ndev->lock){++--}-{3:3} [ 37.583304][ T1278] [ 37.583304][ T1278] [ 37.583304][ T1278] and interrupts could create inverse lock ordering between them. [ 37.583304][ T1278] [ 37.583640][ T1278] [ 37.583640][ T1278] other info that might help us debug this: [ 37.583772][ T1278] Possible interrupt unsafe locking scenario: [ 37.583772][ T1278] [ 37.583917][ T1278] CPU0 CPU1 [ 37.584006][ T1278] ---- ---- [ 37.584097][ T1278] lock(acaddr_hash_lock); [ 37.584193][ T1278] local_irq_disable(); [ 37.584311][ T1278] lock(&ndev->lock); [ 37.584428][ T1278] lock(acaddr_hash_lock); [ 37.584545][ T1278] [ 37.584614][ T1278] lock(&ndev->lock); [ 37.584683][ T1278] [ 37.584683][ T1278] *** DEADLOCK *** [ 37.584683][ T1278] [ 37.584821][ T1278] 1 lock held by ip/1278: [ 37.584904][ T1278] #0: ffffffffb248c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 37.585072][ T1278] [ 37.585072][ T1278] the shortest dependencies between 2nd lock and 1st lock: [ 37.585234][ T1278] -> (&ndev->lock){++--}-{3:3} { [ 37.585334][ T1278] HARDIRQ-ON-W at: [ 37.585404][ T1278] __lock_acquire+0x378/0xc10 [ 37.585522][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.585640][ T1278] _raw_write_lock_bh+0x38/0x50 [ 37.585755][ T1278] addrconf_permanent_addr+0x108/0x9c0 [ 37.585906][ T1278] addrconf_notify+0x151/0xf30 [ 37.586019][ T1278] notifier_call_chain+0xb0/0x320 [ 37.586135][ T1278] __dev_notify_flags+0xde/0x280 [ 37.586249][ T1278] netif_change_flags+0xfe/0x190 [ 37.586365][ T1278] do_setlink.isra.0+0x1cc3/0x2750 [ 37.586482][ T1278] rtnl_newlink+0x8d1/0xef0 [ 37.586596][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.586711][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.586824][ T1278] netlink_unicast+0x486/0x750 [ 37.586949][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.587063][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.587178][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.587296][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.587416][ T1278] do_syscall_64+0x117/0x590 [ 37.587534][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.587673][ T1278] HARDIRQ-ON-R at: [ 37.587742][ T1278] __lock_acquire+0x378/0xc10 [ 37.587862][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.587984][ T1278] _raw_read_lock_bh+0x44/0x80 [ 37.588098][ T1278] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 37.588236][ T1278] inet6_fill_link_af+0x5c/0xe0 [ 37.588351][ T1278] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 37.588487][ T1278] rtnl_getlink+0x9c9/0xeb0 [ 37.588603][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.588716][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.588830][ T1278] netlink_unicast+0x486/0x750 [ 37.588959][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.589073][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.589190][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.589306][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.589420][ T1278] do_syscall_64+0x117/0x590 [ 37.589534][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.589697][ T1278] IN-SOFTIRQ-W at: [ 37.589771][ T1278] __lock_acquire+0x378/0xc10 [ 37.589899][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.590014][ T1278] _raw_write_lock+0x33/0x40 [ 37.590128][ T1278] addrconf_rs_timer+0xb0/0x770 [ 37.590243][ T1278] call_timer_fn+0x163/0x4f0 [ 37.590359][ T1278] __run_timers+0x68f/0xab0 [ 37.590473][ T1278] run_timer_softirq+0xf0/0x160 [ 37.590588][ T1278] handle_softirqs+0x1d8/0x940 [ 37.590703][ T1278] __irq_exit_rcu+0x103/0x1c0 [ 37.590824][ T1278] irq_exit_rcu+0xe/0x30 [ 37.590947][ T1278] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 37.591088][ T1278] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.591232][ T1278] pv_native_safe_halt+0xf/0x10 [ 37.591346][ T1278] default_idle+0x9/0x10 [ 37.591461][ T1278] default_idle_call+0x6e/0xb0 [ 37.591576][ T1278] cpuidle_idle_call.constprop.0+0x237/0x410 [ 37.591713][ T1278] do_idle+0xf5/0x160 [ 37.591829][ T1278] cpu_startup_entry+0x53/0x70 [ 37.591962][ T1278] rest_init+0x1f7/0x200 [ 37.592075][ T1278] start_kernel+0x3ad/0x3b0 [ 37.592191][ T1278] x86_64_start_reservations+0x24/0x30 [ 37.592328][ T1278] x86_64_start_kernel+0x12b/0x130 [ 37.592442][ T1278] common_startup_64+0x13e/0x148 [ 37.592560][ T1278] IN-SOFTIRQ-R at: [ 37.592628][ T1278] __lock_acquire+0x378/0xc10 [ 37.592742][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.592865][ T1278] _raw_read_lock_bh+0x44/0x80 [ 37.592983][ T1278] ipv6_get_lladdr+0xa8/0x3f0 [ 37.593100][ T1278] addrconf_rs_timer+0x251/0x770 [ 37.593215][ T1278] call_timer_fn+0x163/0x4f0 [ 37.593329][ T1278] __run_timers+0x68f/0xab0 [ 37.593443][ T1278] run_timer_softirq+0xf0/0x160 [ 37.593560][ T1278] handle_softirqs+0x1d8/0x940 [ 37.593676][ T1278] __irq_exit_rcu+0x103/0x1c0 [ 37.593794][ T1278] irq_exit_rcu+0xe/0x30 [ 37.593919][ T1278] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 37.594062][ T1278] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.594205][ T1278] pv_native_safe_halt+0xf/0x10 [ 37.594320][ T1278] default_idle+0x9/0x10 [ 37.594439][ T1278] default_idle_call+0x6e/0xb0 [ 37.594555][ T1278] cpuidle_idle_call.constprop.0+0x237/0x410 [ 37.594699][ T1278] do_idle+0xf5/0x160 [ 37.594815][ T1278] cpu_startup_entry+0x53/0x70 [ 37.594946][ T1278] rest_init+0x1f7/0x200 [ 37.595062][ T1278] start_kernel+0x3ad/0x3b0 [ 37.595180][ T1278] x86_64_start_reservations+0x24/0x30 [ 37.595321][ T1278] x86_64_start_kernel+0x12b/0x130 [ 37.595439][ T1278] common_startup_64+0x13e/0x148 [ 37.595557][ T1278] INITIAL USE at: [ 37.595627][ T1278] __lock_acquire+0x378/0xc10 [ 37.595748][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.595868][ T1278] _raw_write_lock_bh+0x38/0x50 [ 37.595987][ T1278] addrconf_permanent_addr+0x108/0x9c0 [ 37.596128][ T1278] addrconf_notify+0x151/0xf30 [ 37.596243][ T1278] notifier_call_chain+0xb0/0x320 [ 37.596365][ T1278] __dev_notify_flags+0xde/0x280 [ 37.596481][ T1278] netif_change_flags+0xfe/0x190 [ 37.596595][ T1278] do_setlink.isra.0+0x1cc3/0x2750 [ 37.596711][ T1278] rtnl_newlink+0x8d1/0xef0 [ 37.596825][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.596945][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.597063][ T1278] netlink_unicast+0x486/0x750 [ 37.597176][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.597294][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.597412][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.597527][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.597645][ T1278] do_syscall_64+0x117/0x590 [ 37.597759][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.597909][ T1278] INITIAL READ USE at: [ 37.597999][ T1278] __lock_acquire+0x378/0xc10 [ 37.598113][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.598251][ T1278] _raw_read_lock_bh+0x44/0x80 [ 37.598368][ T1278] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 37.598515][ T1278] inet6_fill_link_af+0x5c/0xe0 [ 37.598635][ T1278] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 37.598775][ T1278] rtnl_getlink+0x9c9/0xeb0 [ 37.598904][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.599023][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.599138][ T1278] netlink_unicast+0x486/0x750 [ 37.599254][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.599369][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.599484][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.599599][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.599717][ T1278] do_syscall_64+0x117/0x590 [ 37.599832][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.599982][ T1278] } [ 37.600029][ T1278] ... key at: [] __key.37+0x0/0x40 [ 37.600175][ T1278] ... acquired at: [ 37.600245][ T1278] __lock_acquire+0x508/0xc10 [ 37.600337][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.600427][ T1278] _raw_spin_lock+0x33/0x40 [ 37.600519][ T1278] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 37.600638][ T1278] __ipv6_dev_ac_inc+0x57e/0x930 [ 37.600731][ T1278] addrconf_join_anycast+0x1bc/0x260 [ 37.600825][ T1278] __ipv6_ifa_notify+0x75b/0xad0 [ 37.600929][ T1278] addrconf_dad_completed+0x14b/0xe10 [ 37.601024][ T1278] addrconf_dad_begin+0x2e1/0x540 [ 37.601114][ T1278] addrconf_dad_work+0x170/0x930 [ 37.601205][ T1278] process_one_work+0xdf8/0x1410 [ 37.601304][ T1278] worker_thread+0x4f1/0xd60 [ 37.601398][ T1278] kthread+0x367/0x460 [ 37.601471][ T1278] ret_from_fork+0x474/0x6b0 [ 37.601564][ T1278] ret_from_fork_asm+0x11/0x20 [ 37.601656][ T1278] [ 37.601704][ T1278] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 37.601800][ T1278] HARDIRQ-ON-W at: [ 37.601876][ T1278] __lock_acquire+0x378/0xc10 [ 37.601992][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.602111][ T1278] _raw_spin_lock+0x33/0x40 [ 37.602231][ T1278] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 37.602368][ T1278] __ipv6_dev_ac_inc+0x57e/0x930 [ 37.602486][ T1278] addrconf_join_anycast+0x1bc/0x260 [ 37.602603][ T1278] __ipv6_ifa_notify+0x75b/0xad0 [ 37.602723][ T1278] addrconf_dad_completed+0x14b/0xe10 [ 37.602840][ T1278] addrconf_dad_begin+0x2e1/0x540 [ 37.602970][ T1278] addrconf_dad_work+0x170/0x930 [ 37.603087][ T1278] process_one_work+0xdf8/0x1410 [ 37.603199][ T1278] worker_thread+0x4f1/0xd60 [ 37.603315][ T1278] kthread+0x367/0x460 [ 37.603408][ T1278] ret_from_fork+0x474/0x6b0 [ 37.603527][ T1278] ret_from_fork_asm+0x11/0x20 [ 37.603641][ T1278] SOFTIRQ-ON-W at: [ 37.603709][ T1278] __lock_acquire+0x378/0xc10 [ 37.603825][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.603956][ T1278] _raw_spin_lock+0x33/0x40 [ 37.604076][ T1278] __ipv6_dev_ac_dec+0x236/0x5d0 [ 37.604189][ T1278] addrconf_leave_anycast+0x1bc/0x260 [ 37.604307][ T1278] __ipv6_ifa_notify+0x6b4/0xad0 [ 37.604421][ T1278] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 37.604535][ T1278] addrconf_notify+0x339/0xf30 [ 37.604651][ T1278] notifier_call_chain+0xb0/0x320 [ 37.604767][ T1278] __netdev_upper_dev_link+0x3a5/0x590 [ 37.604898][ T1278] netdev_master_upper_dev_link+0x86/0xb0 [ 37.605034][ T1278] vrf_add_slave+0xdd/0x210 [vrf] [ 37.605149][ T1278] do_set_master+0x357/0x580 [ 37.605269][ T1278] do_setlink.isra.0+0xa31/0x2750 [ 37.605380][ T1278] rtnl_newlink+0x8d1/0xef0 [ 37.605495][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.605611][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.605727][ T1278] netlink_unicast+0x486/0x750 [ 37.605839][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.605966][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.606080][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.606197][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.606310][ T1278] do_syscall_64+0x117/0x590 [ 37.606424][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.606560][ T1278] INITIAL USE at: [ 37.606630][ T1278] __lock_acquire+0x378/0xc10 [ 37.606745][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.606870][ T1278] _raw_spin_lock+0x33/0x40 [ 37.606988][ T1278] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 37.607130][ T1278] __ipv6_dev_ac_inc+0x57e/0x930 [ 37.607246][ T1278] addrconf_join_anycast+0x1bc/0x260 [ 37.607364][ T1278] __ipv6_ifa_notify+0x75b/0xad0 [ 37.607480][ T1278] addrconf_dad_completed+0x14b/0xe10 [ 37.607598][ T1278] addrconf_dad_begin+0x2e1/0x540 [ 37.607713][ T1278] addrconf_dad_work+0x170/0x930 [ 37.607830][ T1278] process_one_work+0xdf8/0x1410 [ 37.607964][ T1278] worker_thread+0x4f1/0xd60 [ 37.608078][ T1278] kthread+0x367/0x460 [ 37.608168][ T1278] ret_from_fork+0x474/0x6b0 [ 37.608285][ T1278] ret_from_fork_asm+0x11/0x20 [ 37.608403][ T1278] } [ 37.608449][ T1278] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 37.608586][ T1278] ... acquired at: [ 37.608652][ T1278] mark_lock+0x1d7/0xa00 [ 37.608742][ T1278] mark_usage+0x105/0x170 [ 37.608830][ T1278] __lock_acquire+0x378/0xc10 [ 37.608931][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.609021][ T1278] _raw_spin_lock+0x33/0x40 [ 37.609114][ T1278] __ipv6_dev_ac_dec+0x236/0x5d0 [ 37.609210][ T1278] addrconf_leave_anycast+0x1bc/0x260 [ 37.609303][ T1278] __ipv6_ifa_notify+0x6b4/0xad0 [ 37.609396][ T1278] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 37.609490][ T1278] addrconf_notify+0x339/0xf30 [ 37.609582][ T1278] notifier_call_chain+0xb0/0x320 [ 37.609671][ T1278] __netdev_upper_dev_link+0x3a5/0x590 [ 37.609760][ T1278] netdev_master_upper_dev_link+0x86/0xb0 [ 37.609886][ T1278] vrf_add_slave+0xdd/0x210 [vrf] [ 37.609977][ T1278] do_set_master+0x357/0x580 [ 37.610071][ T1278] do_setlink.isra.0+0xa31/0x2750 [ 37.610165][ T1278] rtnl_newlink+0x8d1/0xef0 [ 37.610255][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.610344][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.610435][ T1278] netlink_unicast+0x486/0x750 [ 37.610528][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.610617][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.610710][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.610803][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.610902][ T1278] do_syscall_64+0x117/0x590 [ 37.610992][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.611107][ T1278] [ 37.611152][ T1278] [ 37.611152][ T1278] stack backtrace: [ 37.611265][ T1278] CPU: 0 UID: 0 PID: 1278 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 37.611268][ T1278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.611270][ T1278] Call Trace: [ 37.611272][ T1278] [ 37.611273][ T1278] dump_stack_lvl+0x6f/0xa0 [ 37.611277][ T1278] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 37.611280][ T1278] mark_lock_irq+0x989/0x9c0 [ 37.611283][ T1278] mark_lock+0x1d7/0xa00 [ 37.611285][ T1278] mark_usage+0x105/0x170 [ 37.611286][ T1278] __lock_acquire+0x378/0xc10 [ 37.611289][ T1278] lock_acquire.part.0+0xbc/0x260 [ 37.611290][ T1278] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 37.611292][ T1278] ? rcu_is_watching+0x15/0xd0 [ 37.611294][ T1278] ? do_raw_read_unlock+0x70/0x70 [ 37.611296][ T1278] ? lock_acquire+0x134/0x160 [ 37.611298][ T1278] _raw_spin_lock+0x33/0x40 [ 37.611300][ T1278] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 37.611301][ T1278] __ipv6_dev_ac_dec+0x236/0x5d0 [ 37.611303][ T1278] addrconf_leave_anycast+0x1bc/0x260 [ 37.611305][ T1278] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 37.611307][ T1278] ? __ipv6_isatap_ifid+0x210/0x210 [ 37.611309][ T1278] ? nlmsg_notify+0x62/0x250 [ 37.611311][ T1278] __ipv6_ifa_notify+0x6b4/0xad0 [ 37.611313][ T1278] ? cleanup_prefix_route+0x550/0x550 [ 37.611315][ T1278] ? find_held_lock+0x2b/0x80 [ 37.611318][ T1278] ? __lock_release.isra.0+0x6b/0x1a0 [ 37.611319][ T1278] ? __rwlock_init+0x150/0x150 [ 37.611321][ T1278] ? mark_held_locks+0x40/0x70 [ 37.611323][ T1278] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 37.611325][ T1278] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 37.611327][ T1278] ? addrconf_dad_run+0x1b0/0x1b0 [ 37.611329][ T1278] ? neigh_flush_one+0x580/0x580 [ 37.611333][ T1278] addrconf_notify+0x339/0xf30 [ 37.611334][ T1278] ? team_port_get_rtnl+0x65/0xc0 [ 37.611338][ T1278] notifier_call_chain+0xb0/0x320 [ 37.611340][ T1278] __netdev_upper_dev_link+0x3a5/0x590 [ 37.611342][ T1278] ? netdev_wait_allrefs_any+0x570/0x570 [ 37.611344][ T1278] ? find_held_lock+0x2b/0x80 [ 37.611347][ T1278] ? __lock_acquire+0x508/0xc10 [ 37.611348][ T1278] ? __lock_acquire+0x508/0xc10 [ 37.611350][ T1278] netdev_master_upper_dev_link+0x86/0xb0 [ 37.611352][ T1278] ? netdev_upper_dev_link+0xb0/0xb0 [ 37.611354][ T1278] ? __lock_release.isra.0+0x6b/0x1a0 [ 37.611356][ T1278] vrf_add_slave+0xdd/0x210 [vrf] [ 37.611358][ T1278] ? rtnl_is_locked+0x15/0x20 [ 37.611359][ T1278] do_set_master+0x357/0x580 [ 37.611361][ T1278] ? kernel_text_address+0x149/0x170 [ 37.611363][ T1278] do_setlink.isra.0+0xa31/0x2750 [ 37.611367][ T1278] ? rtnl_link_get_size+0x350/0x350 [ 37.611368][ T1278] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 37.611371][ T1278] ? rcu_read_lock_any_held+0x3c/0x90 [ 37.611372][ T1278] ? validate_chain+0x38b/0xc20 [ 37.611374][ T1278] ? rcu_read_lock_any_held+0x66/0x90 [ 37.611375][ T1278] ? stack_depot_save_flags+0x367/0x770 [ 37.611378][ T1278] ? __kernel_text_address+0x12/0x30 [ 37.611380][ T1278] ? __lock_acquire+0x508/0xc10 [ 37.611382][ T1278] ? lock_acquire.part.0+0xbc/0x260 [ 37.611383][ T1278] ? rtnl_newlink+0x883/0xef0 [ 37.611385][ T1278] ? rcu_is_watching+0x15/0xd0 [ 37.611386][ T1278] ? lock_acquire+0x134/0x160 [ 37.611387][ T1278] ? rcu_is_watching+0x15/0xd0 [ 37.611389][ T1278] ? rcu_is_watching+0x15/0xd0 [ 37.611391][ T1278] ? trace_contention_end+0xb3/0x1a0 [ 37.611393][ T1278] ? __mutex_lock+0x1db/0x2010 [ 37.611395][ T1278] ? __mutex_lock+0x9b2/0x2010 [ 37.611396][ T1278] ? rtnl_newlink+0x883/0xef0 [ 37.611398][ T1278] ? ww_mutex_lock+0x160/0x160 [ 37.611399][ T1278] ? nla_get_range_signed+0x3d0/0x3d0 [ 37.611402][ T1278] ? __rtnl_newlink+0x3fa/0xa50 [ 37.611405][ T1278] rtnl_newlink+0x8d1/0xef0 [ 37.611407][ T1278] ? lock_acquire.part.0+0xbc/0x260 [ 37.611408][ T1278] ? find_held_lock+0x2b/0x80 [ 37.611410][ T1278] ? __rtnl_newlink+0xa50/0xa50 [ 37.611411][ T1278] ? mark_usage+0x61/0x170 [ 37.611412][ T1278] ? __lock_release.isra.0+0x6b/0x1a0 [ 37.611415][ T1278] ? lock_acquire.part.0+0xbc/0x260 [ 37.611416][ T1278] ? find_held_lock+0x2b/0x80 [ 37.611418][ T1278] ? __rtnl_newlink+0xa50/0xa50 [ 37.611419][ T1278] ? __lock_release.isra.0+0x6b/0x1a0 [ 37.611421][ T1278] ? __rtnl_newlink+0xa50/0xa50 [ 37.611422][ T1278] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.611424][ T1278] ? validate_chain+0x38b/0xc20 [ 37.611425][ T1278] ? rtnl_link_fill+0x920/0x920 [ 37.611427][ T1278] ? __lock_acquire+0x508/0xc10 [ 37.611429][ T1278] ? lock_acquire.part.0+0xbc/0x260 [ 37.611430][ T1278] ? find_held_lock+0x2b/0x80 [ 37.611432][ T1278] netlink_rcv_skb+0x14e/0x3a0 [ 37.611434][ T1278] ? rtnl_link_fill+0x920/0x920 [ 37.611435][ T1278] ? netlink_ack+0xcf0/0xcf0 [ 37.611438][ T1278] ? netlink_deliver_tap+0xc5/0x330 [ 37.611440][ T1278] ? netlink_deliver_tap+0x13c/0x330 [ 37.611442][ T1278] netlink_unicast+0x486/0x750 [ 37.611444][ T1278] ? netlink_attachskb+0x810/0x810 [ 37.611446][ T1278] ? __lock_acquire+0x508/0xc10 [ 37.611448][ T1278] netlink_sendmsg+0x735/0xc60 [ 37.611450][ T1278] ? netlink_unicast+0x750/0x750 [ 37.611452][ T1278] ? __might_fault+0x97/0x140 [ 37.611455][ T1278] ____sys_sendmsg+0x419/0x850 [ 37.611457][ T1278] ? copy_msghdr_from_user+0x2a0/0x460 [ 37.611459][ T1278] ? get_timestamp.constprop.0+0x390/0x390 [ 37.611461][ T1278] ? move_addr_to_kernel+0x40/0x40 [ 37.611463][ T1278] ? stack_depot_save_flags+0x367/0x770 [ 37.611464][ T1278] ? validate_chain+0x38b/0xc20 [ 37.611466][ T1278] ___sys_sendmsg+0x14e/0x1d0 [ 37.611468][ T1278] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 37.611470][ T1278] ? copy_msghdr_from_user+0x460/0x460 [ 37.611476][ T1278] __sys_sendmsg+0x145/0x1f0 [ 37.611477][ T1278] ? __sys_sendmsg_sock+0x20/0x20 [ 37.611478][ T1278] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 37.611480][ T1278] ? do_raw_spin_unlock+0x59/0x250 [ 37.611482][ T1278] ? rcu_is_watching+0x15/0xd0 [ 37.611484][ T1278] do_syscall_64+0x117/0x590 [ 37.611486][ T1278] ? trace_hardirqs_off+0xd/0x30 [ 37.611488][ T1278] ? exc_page_fault+0xee/0x100 [ 37.611491][ T1278] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.611492][ T1278] RIP: 0033:0x7f5bb6c5208e [ 37.611495][ T1278] 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 [ 37.611497][ T1278] RSP: 002b:00007ffc55a53bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.611500][ T1278] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5bb6c5208e [ 37.611502][ T1278] RDX: 0000000000000000 RSI: 00007ffc55a53ca0 RDI: 0000000000000005 [ 37.611503][ T1278] RBP: 00007ffc55a53c00 R08: 0000000000000000 R09: 0000000000000000 [ 37.611503][ T1278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a193186 [ 37.611504][ T1278] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc55a54360 [ 37.611507][ T1278] [ 37.638314][ T1278] ip (1278) used greatest stack depth: 23384 bytes left