[ 62.856358][ T1552] 8021q: 802.1Q VLAN Support v1.8 [ 62.993803][ T1557] gre: GRE over IPv4 demultiplexer driver [ 63.001901][ T1557] ip_gre: GRE over IPv4 tunneling driver [ 63.740568][ T1585] [ 63.740683][ T1585] ======================================================== [ 63.740888][ T1585] WARNING: possible irq lock inversion dependency detected [ 63.741079][ T1585] 7.1.0-rc5-virtme #1 Not tainted [ 63.741209][ T1585] -------------------------------------------------------- [ 63.741407][ T1585] ip/1585 just changed the state of lock: [ 63.741543][ T1585] ffffffffbb97e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 63.741780][ T1585] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 63.741975][ T1585] (&ndev->lock){++--}-{3:3} [ 63.741979][ T1585] [ 63.741979][ T1585] [ 63.741979][ T1585] and interrupts could create inverse lock ordering between them. [ 63.741979][ T1585] [ 63.742459][ T1585] [ 63.742459][ T1585] other info that might help us debug this: [ 63.742655][ T1585] Possible interrupt unsafe locking scenario: [ 63.742655][ T1585] [ 63.742852][ T1585] CPU0 CPU1 [ 63.742982][ T1585] ---- ---- [ 63.743105][ T1585] lock(acaddr_hash_lock); [ 63.743233][ T1585] local_irq_disable(); [ 63.743392][ T1585] lock(&ndev->lock); [ 63.743553][ T1585] lock(acaddr_hash_lock); [ 63.743714][ T1585] [ 63.743810][ T1585] lock(&ndev->lock); [ 63.743910][ T1585] [ 63.743910][ T1585] *** DEADLOCK *** [ 63.743910][ T1585] [ 63.744100][ T1585] 1 lock held by ip/1585: [ 63.744199][ T1585] #0: ffffffffbb88c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 63.744438][ T1585] [ 63.744438][ T1585] the shortest dependencies between 2nd lock and 1st lock: [ 63.744661][ T1585] -> (&ndev->lock){++--}-{3:3} { [ 63.744797][ T1585] HARDIRQ-ON-W at: [ 63.744897][ T1585] __lock_acquire+0x378/0xc10 [ 63.745068][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.745229][ T1585] _raw_write_lock_bh+0x38/0x50 [ 63.745439][ T1585] addrconf_permanent_addr+0x108/0x9c0 [ 63.745638][ T1585] addrconf_notify+0x151/0xf30 [ 63.745797][ T1585] notifier_call_chain+0xb0/0x320 [ 63.745961][ T1585] __dev_notify_flags+0xde/0x280 [ 63.746123][ T1585] netif_change_flags+0xfe/0x190 [ 63.746290][ T1585] do_setlink.isra.0+0x1cc3/0x2750 [ 63.746458][ T1585] rtnl_newlink+0x8d1/0xef0 [ 63.746620][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.746784][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.746949][ T1585] netlink_unicast+0x486/0x750 [ 63.747109][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.747270][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.747439][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.747602][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.747763][ T1585] do_syscall_64+0x117/0x590 [ 63.747924][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.748114][ T1585] HARDIRQ-ON-R at: [ 63.748209][ T1585] __lock_acquire+0x378/0xc10 [ 63.748374][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.748538][ T1585] _raw_read_lock_bh+0x44/0x80 [ 63.748699][ T1585] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 63.748891][ T1585] inet6_fill_link_af+0x5c/0xe0 [ 63.749053][ T1585] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 63.749244][ T1585] rtnl_getlink+0x9c9/0xeb0 [ 63.749412][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.749571][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.749733][ T1585] netlink_unicast+0x486/0x750 [ 63.749893][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.750054][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.750219][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.750384][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.750547][ T1585] do_syscall_64+0x117/0x590 [ 63.750708][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.750902][ T1585] IN-SOFTIRQ-W at: [ 63.750999][ T1585] __lock_acquire+0x378/0xc10 [ 63.751161][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.751324][ T1585] _raw_write_lock+0x33/0x40 [ 63.751485][ T1585] addrconf_rs_timer+0xb0/0x770 [ 63.751643][ T1585] call_timer_fn+0x163/0x4f0 [ 63.751804][ T1585] __run_timers+0x68f/0xab0 [ 63.751965][ T1585] run_timer_softirq+0xf0/0x160 [ 63.752127][ T1585] handle_softirqs+0x1d8/0x940 [ 63.752292][ T1585] __irq_exit_rcu+0x103/0x1c0 [ 63.752451][ T1585] irq_exit_rcu+0xe/0x30 [ 63.752612][ T1585] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 63.752808][ T1585] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 63.753003][ T1585] pv_native_safe_halt+0xf/0x10 [ 63.753169][ T1585] default_idle+0x9/0x10 [ 63.753340][ T1585] default_idle_call+0x6e/0xb0 [ 63.753506][ T1585] cpuidle_idle_call.constprop.0+0x237/0x410 [ 63.753705][ T1585] do_idle+0xf5/0x160 [ 63.753872][ T1585] cpu_startup_entry+0x53/0x70 [ 63.754037][ T1585] rest_init+0x1f7/0x200 [ 63.754202][ T1585] start_kernel+0x3ad/0x3b0 [ 63.754374][ T1585] x86_64_start_reservations+0x24/0x30 [ 63.754567][ T1585] x86_64_start_kernel+0x12b/0x130 [ 63.754732][ T1585] common_startup_64+0x13e/0x148 [ 63.754896][ T1585] IN-SOFTIRQ-R at: [ 63.754993][ T1585] __lock_acquire+0x378/0xc10 [ 63.755153][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.755331][ T1585] _raw_read_lock_bh+0x44/0x80 [ 63.755490][ T1585] ipv6_get_lladdr+0xa8/0x3f0 [ 63.755653][ T1585] addrconf_rs_timer+0x251/0x770 [ 63.755816][ T1585] call_timer_fn+0x163/0x4f0 [ 63.755976][ T1585] __run_timers+0x68f/0xab0 [ 63.756137][ T1585] run_timer_softirq+0xf0/0x160 [ 63.756306][ T1585] handle_softirqs+0x1d8/0x940 [ 63.756479][ T1585] __irq_exit_rcu+0x103/0x1c0 [ 63.756642][ T1585] irq_exit_rcu+0xe/0x30 [ 63.756806][ T1585] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 63.757000][ T1585] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 63.757196][ T1585] pv_native_safe_halt+0xf/0x10 [ 63.757369][ T1585] default_idle+0x9/0x10 [ 63.757532][ T1585] default_idle_call+0x6e/0xb0 [ 63.757685][ T1585] cpuidle_idle_call.constprop.0+0x237/0x410 [ 63.757875][ T1585] do_idle+0xf5/0x160 [ 63.758041][ T1585] cpu_startup_entry+0x53/0x70 [ 63.758206][ T1585] rest_init+0x1f7/0x200 [ 63.758382][ T1585] start_kernel+0x3ad/0x3b0 [ 63.758550][ T1585] x86_64_start_reservations+0x24/0x30 [ 63.758749][ T1585] x86_64_start_kernel+0x12b/0x130 [ 63.758915][ T1585] common_startup_64+0x13e/0x148 [ 63.759078][ T1585] INITIAL USE at: [ 63.759179][ T1585] __lock_acquire+0x378/0xc10 [ 63.759345][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.759504][ T1585] _raw_write_lock_bh+0x38/0x50 [ 63.759664][ T1585] addrconf_permanent_addr+0x108/0x9c0 [ 63.759857][ T1585] addrconf_notify+0x151/0xf30 [ 63.760020][ T1585] notifier_call_chain+0xb0/0x320 [ 63.760184][ T1585] __dev_notify_flags+0xde/0x280 [ 63.760350][ T1585] netif_change_flags+0xfe/0x190 [ 63.760512][ T1585] do_setlink.isra.0+0x1cc3/0x2750 [ 63.760673][ T1585] rtnl_newlink+0x8d1/0xef0 [ 63.760833][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.760995][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.761157][ T1585] netlink_unicast+0x486/0x750 [ 63.761321][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.761481][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.761642][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.761805][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.761965][ T1585] do_syscall_64+0x117/0x590 [ 63.762126][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.762324][ T1585] INITIAL READ USE at: [ 63.762453][ T1585] __lock_acquire+0x378/0xc10 [ 63.762613][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.762812][ T1585] _raw_read_lock_bh+0x44/0x80 [ 63.762976][ T1585] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 63.763256][ T1585] inet6_fill_link_af+0x5c/0xe0 [ 63.763419][ T1585] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 63.763612][ T1585] rtnl_getlink+0x9c9/0xeb0 [ 63.763860][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.764020][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.764178][ T1585] netlink_unicast+0x486/0x750 [ 63.764428][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.764587][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.764752][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.765000][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.765159][ T1585] do_syscall_64+0x117/0x590 [ 63.765323][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.765600][ T1585] } [ 63.765669][ T1585] ... key at: [] __key.37+0x0/0x40 [ 63.765860][ T1585] ... acquired at: [ 63.765958][ T1585] __lock_acquire+0x508/0xc10 [ 63.766088][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.766305][ T1585] _raw_spin_lock+0x33/0x40 [ 63.766433][ T1585] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 63.766593][ T1585] __ipv6_dev_ac_inc+0x57e/0x930 [ 63.766812][ T1585] addrconf_join_anycast+0x1bc/0x260 [ 63.766940][ T1585] __ipv6_ifa_notify+0x75b/0xad0 [ 63.767069][ T1585] addrconf_dad_completed+0x14b/0xe10 [ 63.767197][ T1585] addrconf_dad_begin+0x2e1/0x540 [ 63.767415][ T1585] addrconf_dad_work+0x170/0x930 [ 63.767541][ T1585] process_one_work+0xdf8/0x1410 [ 63.767672][ T1585] worker_thread+0x4f1/0xd60 [ 63.767801][ T1585] kthread+0x367/0x460 [ 63.767898][ T1585] ret_from_fork+0x474/0x6b0 [ 63.768112][ T1585] ret_from_fork_asm+0x11/0x20 [ 63.768242][ T1585] [ 63.768312][ T1585] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 63.768445][ T1585] HARDIRQ-ON-W at: [ 63.768628][ T1585] __lock_acquire+0x378/0xc10 [ 63.768792][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.768953][ T1585] _raw_spin_lock+0x33/0x40 [ 63.769115][ T1585] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 63.769399][ T1585] __ipv6_dev_ac_inc+0x57e/0x930 [ 63.769560][ T1585] addrconf_join_anycast+0x1bc/0x260 [ 63.769724][ T1585] __ipv6_ifa_notify+0x75b/0xad0 [ 63.769973][ T1585] addrconf_dad_completed+0x14b/0xe10 [ 63.770137][ T1585] addrconf_dad_begin+0x2e1/0x540 [ 63.770305][ T1585] addrconf_dad_work+0x170/0x930 [ 63.770554][ T1585] process_one_work+0xdf8/0x1410 [ 63.770716][ T1585] worker_thread+0x4f1/0xd60 [ 63.770875][ T1585] kthread+0x367/0x460 [ 63.771091][ T1585] ret_from_fork+0x474/0x6b0 [ 63.771253][ T1585] ret_from_fork_asm+0x11/0x20 [ 63.771420][ T1585] SOFTIRQ-ON-W at: [ 63.771517][ T1585] __lock_acquire+0x378/0xc10 [ 63.771763][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.771924][ T1585] _raw_spin_lock+0x33/0x40 [ 63.772086][ T1585] __ipv6_dev_ac_dec+0x236/0x5d0 [ 63.772339][ T1585] addrconf_leave_anycast+0x1bc/0x260 [ 63.772500][ T1585] __ipv6_ifa_notify+0x6b4/0xad0 [ 63.772662][ T1585] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 63.772826][ T1585] addrconf_notify+0x339/0xf30 [ 63.772988][ T1585] notifier_call_chain+0xb0/0x320 [ 63.773148][ T1585] __netdev_upper_dev_link+0x3a5/0x590 [ 63.773402][ T1585] netdev_master_upper_dev_link+0x86/0xb0 [ 63.773597][ T1585] vrf_add_slave+0xdd/0x210 [vrf] [ 63.773763][ T1585] do_set_master+0x357/0x580 [ 63.774009][ T1585] do_setlink.isra.0+0xa31/0x2750 [ 63.774157][ T1585] rtnl_newlink+0x8d1/0xef0 [ 63.774314][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.774476][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.774727][ T1585] netlink_unicast+0x486/0x750 [ 63.774893][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.775051][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.775301][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.775460][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.775616][ T1585] do_syscall_64+0x117/0x590 [ 63.775864][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.776057][ T1585] INITIAL USE at: [ 63.776153][ T1585] __lock_acquire+0x378/0xc10 [ 63.776404][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.776562][ T1585] _raw_spin_lock+0x33/0x40 [ 63.776722][ T1585] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 63.777000][ T1585] __ipv6_dev_ac_inc+0x57e/0x930 [ 63.777160][ T1585] addrconf_join_anycast+0x1bc/0x260 [ 63.777321][ T1585] __ipv6_ifa_notify+0x75b/0xad0 [ 63.777480][ T1585] addrconf_dad_completed+0x14b/0xe10 [ 63.777728][ T1585] addrconf_dad_begin+0x2e1/0x540 [ 63.777890][ T1585] addrconf_dad_work+0x170/0x930 [ 63.778051][ T1585] process_one_work+0xdf8/0x1410 [ 63.778299][ T1585] worker_thread+0x4f1/0xd60 [ 63.778456][ T1585] kthread+0x367/0x460 [ 63.778585][ T1585] ret_from_fork+0x474/0x6b0 [ 63.778835][ T1585] ret_from_fork_asm+0x11/0x20 [ 63.778995][ T1585] } [ 63.779061][ T1585] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 63.779250][ T1585] ... acquired at: [ 63.779434][ T1585] mark_lock+0x1d7/0xa00 [ 63.779560][ T1585] mark_usage+0x105/0x170 [ 63.779686][ T1585] __lock_acquire+0x378/0xc10 [ 63.779816][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.780028][ T1585] _raw_spin_lock+0x33/0x40 [ 63.780156][ T1585] __ipv6_dev_ac_dec+0x236/0x5d0 [ 63.780286][ T1585] addrconf_leave_anycast+0x1bc/0x260 [ 63.780411][ T1585] __ipv6_ifa_notify+0x6b4/0xad0 [ 63.780622][ T1585] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 63.780750][ T1585] addrconf_notify+0x339/0xf30 [ 63.780878][ T1585] notifier_call_chain+0xb0/0x320 [ 63.781002][ T1585] __netdev_upper_dev_link+0x3a5/0x590 [ 63.781215][ T1585] netdev_master_upper_dev_link+0x86/0xb0 [ 63.781379][ T1585] vrf_add_slave+0xdd/0x210 [vrf] [ 63.781506][ T1585] do_set_master+0x357/0x580 [ 63.781632][ T1585] do_setlink.isra.0+0xa31/0x2750 [ 63.781847][ T1585] rtnl_newlink+0x8d1/0xef0 [ 63.781974][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.782102][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.782228][ T1585] netlink_unicast+0x486/0x750 [ 63.782445][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.782571][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.782699][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.782824][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.783035][ T1585] do_syscall_64+0x117/0x590 [ 63.783160][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.783324][ T1585] [ 63.783388][ T1585] [ 63.783388][ T1585] stack backtrace: [ 63.783630][ T1585] CPU: 2 UID: 0 PID: 1585 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 63.783634][ T1585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.783636][ T1585] Call Trace: [ 63.783638][ T1585] [ 63.783640][ T1585] dump_stack_lvl+0x6f/0xa0 [ 63.783646][ T1585] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 63.783650][ T1585] mark_lock_irq+0x989/0x9c0 [ 63.783655][ T1585] mark_lock+0x1d7/0xa00 [ 63.783658][ T1585] mark_usage+0x105/0x170 [ 63.783661][ T1585] __lock_acquire+0x378/0xc10 [ 63.783664][ T1585] lock_acquire.part.0+0xbc/0x260 [ 63.783666][ T1585] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 63.783669][ T1585] ? rcu_is_watching+0x15/0xd0 [ 63.783673][ T1585] ? do_raw_read_unlock+0x70/0x70 [ 63.783675][ T1585] ? lock_acquire+0x134/0x160 [ 63.783678][ T1585] _raw_spin_lock+0x33/0x40 [ 63.783681][ T1585] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 63.783683][ T1585] __ipv6_dev_ac_dec+0x236/0x5d0 [ 63.783687][ T1585] addrconf_leave_anycast+0x1bc/0x260 [ 63.783690][ T1585] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 63.783693][ T1585] ? __ipv6_isatap_ifid+0x210/0x210 [ 63.783696][ T1585] ? nlmsg_notify+0x62/0x250 [ 63.783699][ T1585] __ipv6_ifa_notify+0x6b4/0xad0 [ 63.783702][ T1585] ? cleanup_prefix_route+0x550/0x550 [ 63.783705][ T1585] ? find_held_lock+0x2b/0x80 [ 63.783709][ T1585] ? __lock_release.isra.0+0x6b/0x1a0 [ 63.783711][ T1585] ? __rwlock_init+0x150/0x150 [ 63.783714][ T1585] ? mark_held_locks+0x40/0x70 [ 63.783717][ T1585] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 63.783719][ T1585] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 63.783724][ T1585] ? addrconf_dad_run+0x1b0/0x1b0 [ 63.783726][ T1585] ? neigh_flush_one+0x580/0x580 [ 63.783731][ T1585] addrconf_notify+0x339/0xf30 [ 63.783734][ T1585] ? team_port_get_rtnl+0x65/0xc0 [ 63.783738][ T1585] notifier_call_chain+0xb0/0x320 [ 63.783742][ T1585] __netdev_upper_dev_link+0x3a5/0x590 [ 63.783746][ T1585] ? netdev_wait_allrefs_any+0x570/0x570 [ 63.783749][ T1585] ? find_held_lock+0x2b/0x80 [ 63.783752][ T1585] ? __lock_acquire+0x508/0xc10 [ 63.783754][ T1585] ? __lock_acquire+0x508/0xc10 [ 63.783758][ T1585] netdev_master_upper_dev_link+0x86/0xb0 [ 63.783761][ T1585] ? netdev_upper_dev_link+0xb0/0xb0 [ 63.783764][ T1585] ? __lock_release.isra.0+0x6b/0x1a0 [ 63.783767][ T1585] vrf_add_slave+0xdd/0x210 [vrf] [ 63.783770][ T1585] ? rtnl_is_locked+0x15/0x20 [ 63.783773][ T1585] do_set_master+0x357/0x580 [ 63.783775][ T1585] ? kernel_text_address+0x149/0x170 [ 63.783778][ T1585] do_setlink.isra.0+0xa31/0x2750 [ 63.783783][ T1585] ? rtnl_link_get_size+0x350/0x350 [ 63.783786][ T1585] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 63.783790][ T1585] ? rcu_read_lock_any_held+0x3c/0x90 [ 63.783792][ T1585] ? validate_chain+0x38b/0xc20 [ 63.783794][ T1585] ? rcu_read_lock_any_held+0x66/0x90 [ 63.783796][ T1585] ? stack_depot_save_flags+0x367/0x770 [ 63.783801][ T1585] ? __kernel_text_address+0x12/0x30 [ 63.783803][ T1585] ? __lock_acquire+0x508/0xc10 [ 63.783806][ T1585] ? lock_acquire.part.0+0xbc/0x260 [ 63.783808][ T1585] ? rtnl_newlink+0x883/0xef0 [ 63.783811][ T1585] ? rcu_is_watching+0x15/0xd0 [ 63.783814][ T1585] ? lock_acquire+0x134/0x160 [ 63.783816][ T1585] ? rcu_is_watching+0x15/0xd0 [ 63.783818][ T1585] ? rcu_is_watching+0x15/0xd0 [ 63.783820][ T1585] ? trace_contention_end+0xb3/0x1a0 [ 63.783824][ T1585] ? __mutex_lock+0x1db/0x2010 [ 63.783826][ T1585] ? __mutex_lock+0x9b2/0x2010 [ 63.783828][ T1585] ? rtnl_newlink+0x883/0xef0 [ 63.783831][ T1585] ? ww_mutex_lock+0x160/0x160 [ 63.783833][ T1585] ? nla_get_range_signed+0x3d0/0x3d0 [ 63.783838][ T1585] ? __rtnl_newlink+0x3fa/0xa50 [ 63.783842][ T1585] rtnl_newlink+0x8d1/0xef0 [ 63.783845][ T1585] ? lock_acquire.part.0+0xbc/0x260 [ 63.783847][ T1585] ? find_held_lock+0x2b/0x80 [ 63.783850][ T1585] ? __rtnl_newlink+0xa50/0xa50 [ 63.783852][ T1585] ? mark_usage+0x61/0x170 [ 63.783854][ T1585] ? __lock_release.isra.0+0x6b/0x1a0 [ 63.783858][ T1585] ? lock_acquire.part.0+0xbc/0x260 [ 63.783860][ T1585] ? find_held_lock+0x2b/0x80 [ 63.783862][ T1585] ? __rtnl_newlink+0xa50/0xa50 [ 63.783865][ T1585] ? __lock_release.isra.0+0x6b/0x1a0 [ 63.783868][ T1585] ? __rtnl_newlink+0xa50/0xa50 [ 63.783870][ T1585] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 63.783873][ T1585] ? validate_chain+0x38b/0xc20 [ 63.783875][ T1585] ? rtnl_link_fill+0x920/0x920 [ 63.783877][ T1585] ? __lock_acquire+0x508/0xc10 [ 63.783880][ T1585] ? lock_acquire.part.0+0xbc/0x260 [ 63.783882][ T1585] ? find_held_lock+0x2b/0x80 [ 63.783886][ T1585] netlink_rcv_skb+0x14e/0x3a0 [ 63.783888][ T1585] ? rtnl_link_fill+0x920/0x920 [ 63.783891][ T1585] ? netlink_ack+0xcf0/0xcf0 [ 63.783895][ T1585] ? netlink_deliver_tap+0xc5/0x330 [ 63.783897][ T1585] ? netlink_deliver_tap+0x13c/0x330 [ 63.783901][ T1585] netlink_unicast+0x486/0x750 [ 63.783904][ T1585] ? netlink_attachskb+0x810/0x810 [ 63.783907][ T1585] ? __lock_acquire+0x508/0xc10 [ 63.783910][ T1585] netlink_sendmsg+0x735/0xc60 [ 63.783914][ T1585] ? netlink_unicast+0x750/0x750 [ 63.783917][ T1585] ? __might_fault+0x97/0x140 [ 63.783922][ T1585] ____sys_sendmsg+0x419/0x850 [ 63.783925][ T1585] ? copy_msghdr_from_user+0x2a0/0x460 [ 63.783927][ T1585] ? get_timestamp.constprop.0+0x390/0x390 [ 63.783930][ T1585] ? move_addr_to_kernel+0x40/0x40 [ 63.783933][ T1585] ? stack_depot_save_flags+0x367/0x770 [ 63.783936][ T1585] ? validate_chain+0x38b/0xc20 [ 63.783939][ T1585] ___sys_sendmsg+0x14e/0x1d0 [ 63.783941][ T1585] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 63.783944][ T1585] ? copy_msghdr_from_user+0x460/0x460 [ 63.783954][ T1585] __sys_sendmsg+0x145/0x1f0 [ 63.783956][ T1585] ? __sys_sendmsg_sock+0x20/0x20 [ 63.783958][ T1585] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 63.783962][ T1585] ? do_raw_spin_unlock+0x59/0x250 [ 63.783964][ T1585] ? rcu_is_watching+0x15/0xd0 [ 63.783967][ T1585] do_syscall_64+0x117/0x590 [ 63.783970][ T1585] ? trace_hardirqs_off+0xd/0x30 [ 63.783973][ T1585] ? exc_page_fault+0xee/0x100 [ 63.783976][ T1585] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.783979][ T1585] RIP: 0033:0x7fabd377308e [ 63.783983][ T1585] 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 [ 63.783985][ T1585] RSP: 002b:00007ffdef6bbbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.783989][ T1585] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fabd377308e [ 63.783991][ T1585] RDX: 0000000000000000 RSI: 00007ffdef6bbc90 RDI: 0000000000000005 [ 63.783993][ T1585] RBP: 00007ffdef6bbbf0 R08: 0000000000000000 R09: 0000000000000000 [ 63.783995][ T1585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a198615 [ 63.783996][ T1585] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdef6bc350 [ 63.784000][ T1585] [ 63.825911][ T1585] ip (1585) used greatest stack depth: 23384 bytes left