[ 120.550755][ T747] [ 120.550874][ T747] ===================================================== [ 120.551078][ T747] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 120.551333][ T747] 6.9.0-rc1-virtme #1 Not tainted [ 120.551503][ T747] ----------------------------------------------------- [ 120.551702][ T747] ip/747 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 120.551899][ T747] ffff888008620968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 120.552188][ T747] [ 120.552188][ T747] and this task is already holding: [ 120.552425][ T747] ffff88800669a580 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670 [ 120.552719][ T747] which would create a new lock dependency: [ 120.552922][ T747] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 120.553170][ T747] [ 120.553170][ T747] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 120.553444][ T747] (&ndev->lock){++--}-{2:2} [ 120.553447][ T747] [ 120.553447][ T747] ... which became SOFTIRQ-irq-safe at: [ 120.553836][ T747] __lock_acquire+0x797/0x1570 [ 120.553999][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.554160][ T747] _raw_write_lock+0x30/0x40 [ 120.554320][ T747] addrconf_rs_timer+0xa9/0x730 [ 120.554478][ T747] call_timer_fn+0x13b/0x230 [ 120.554635][ T747] __run_timers+0x545/0x810 [ 120.554793][ T747] run_timer_softirq+0xe8/0x1b0 [ 120.554960][ T747] __do_softirq+0x1f8/0x5df [ 120.555116][ T747] irq_exit_rcu+0x97/0xc0 [ 120.555276][ T747] sysvec_apic_timer_interrupt+0x75/0x80 [ 120.555438][ T747] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 120.555649][ T747] default_idle+0xf/0x20 [ 120.555769][ T747] default_idle_call+0x6d/0xb0 [ 120.555927][ T747] cpuidle_idle_call+0x1f4/0x280 [ 120.556083][ T747] do_idle+0xf9/0x160 [ 120.556207][ T747] cpu_startup_entry+0x54/0x60 [ 120.556365][ T747] rest_init+0x14f/0x260 [ 120.556490][ T747] start_kernel+0x318/0x3d0 [ 120.556650][ T747] x86_64_start_reservations+0x18/0x30 [ 120.556820][ T747] x86_64_start_kernel+0xba/0x110 [ 120.556980][ T747] common_startup_64+0x12c/0x138 [ 120.557155][ T747] [ 120.557155][ T747] to a SOFTIRQ-irq-unsafe lock: [ 120.557354][ T747] (&p->alloc_lock){+.+.}-{2:2} [ 120.557359][ T747] [ 120.557359][ T747] ... which became SOFTIRQ-irq-unsafe at: [ 120.557756][ T747] ... [ 120.557757][ T747] __lock_acquire+0x797/0x1570 [ 120.558010][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.558177][ T747] _raw_spin_lock+0x30/0x40 [ 120.558339][ T747] set_mems_allowed+0x1d/0x210 [ 120.558502][ T747] kernel_init_freeable+0x72/0x310 [ 120.558660][ T747] kernel_init+0x20/0x200 [ 120.558823][ T747] ret_from_fork+0x31/0x70 [ 120.558987][ T747] ret_from_fork_asm+0x1a/0x30 [ 120.559163][ T747] [ 120.559163][ T747] other info that might help us debug this: [ 120.559163][ T747] [ 120.559478][ T747] Possible interrupt unsafe locking scenario: [ 120.559478][ T747] [ 120.559727][ T747] CPU0 CPU1 [ 120.559882][ T747] ---- ---- [ 120.560044][ T747] lock(&p->alloc_lock); [ 120.560165][ T747] local_irq_disable(); [ 120.560366][ T747] lock(&ndev->lock); [ 120.560579][ T747] lock(&p->alloc_lock); [ 120.560778][ T747] [ 120.560912][ T747] lock(&ndev->lock); [ 120.561035][ T747] [ 120.561035][ T747] *** DEADLOCK *** [ 120.561035][ T747] [ 120.561267][ T747] 2 locks held by ip/747: [ 120.561392][ T747] #0: ffffffff8e3acdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0 [ 120.561683][ T747] #1: ffff88800669a580 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670 [ 120.561975][ T747] [ 120.561975][ T747] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 120.562284][ T747] -> (&ndev->lock){++--}-{2:2} { [ 120.562453][ T747] HARDIRQ-ON-W at: [ 120.562575][ T747] __lock_acquire+0x797/0x1570 [ 120.562780][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.562987][ T747] _raw_write_lock_bh+0x38/0x50 [ 120.563189][ T747] addrconf_permanent_addr+0x6e/0x670 [ 120.563394][ T747] addrconf_notify+0x749/0xd60 [ 120.563598][ T747] notifier_call_chain+0xcd/0x150 [ 120.563802][ T747] __dev_notify_flags+0xe6/0x250 [ 120.564003][ T747] dev_change_flags+0xec/0x160 [ 120.564212][ T747] do_setlink+0x7d6/0x21e0 [ 120.564413][ T747] __rtnl_newlink+0xaa7/0xd80 [ 120.564617][ T747] rtnl_newlink+0x63/0xa0 [ 120.564817][ T747] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.565020][ T747] netlink_rcv_skb+0x130/0x360 [ 120.565224][ T747] netlink_unicast+0x449/0x710 [ 120.565426][ T747] netlink_sendmsg+0x723/0xbe0 [ 120.565631][ T747] ____sys_sendmsg+0x7b2/0xa10 [ 120.565835][ T747] ___sys_sendmsg+0xee/0x170 [ 120.566036][ T747] __sys_sendmsg+0xcd/0x170 [ 120.566235][ T747] do_syscall_64+0xc6/0x1e0 [ 120.566437][ T747] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.566681][ T747] HARDIRQ-ON-R at: [ 120.566804][ T747] __lock_acquire+0x797/0x1570 [ 120.567006][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.567211][ T747] _raw_read_lock_bh+0x44/0x80 [ 120.567410][ T747] inet6_fill_ifla6_attrs+0x516/0x740 [ 120.567615][ T747] inet6_fill_link_af+0x5e/0xe0 [ 120.567821][ T747] rtnl_fill_ifinfo+0x1612/0x29e0 [ 120.568024][ T747] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 120.568236][ T747] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 120.568476][ T747] rtmsg_ifinfo+0x5b/0xa0 [ 120.568687][ T747] register_netdevice+0x1177/0x1690 [ 120.568888][ T747] register_netdev+0x20/0x40 [ 120.569098][ T747] sit_init_net+0x250/0x4f0 [ 120.569302][ T747] ops_init+0x9b/0x560 [ 120.569470][ T747] register_pernet_operations+0x2db/0x710 [ 120.569712][ T747] register_pernet_device+0x2a/0x60 [ 120.569914][ T747] sit_init+0x23/0xe0 [ 120.570077][ T747] do_one_initcall+0x8d/0x1e0 [ 120.570282][ T747] do_initcalls+0x1b2/0x3e0 [ 120.570487][ T747] kernel_init_freeable+0x232/0x310 [ 120.570695][ T747] kernel_init+0x20/0x200 [ 120.570902][ T747] ret_from_fork+0x31/0x70 [ 120.571107][ T747] ret_from_fork_asm+0x1a/0x30 [ 120.571314][ T747] IN-SOFTIRQ-W at: [ 120.571443][ T747] __lock_acquire+0x797/0x1570 [ 120.571655][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.571857][ T747] _raw_write_lock+0x30/0x40 [ 120.572064][ T747] addrconf_rs_timer+0xa9/0x730 [ 120.572277][ T747] call_timer_fn+0x13b/0x230 [ 120.572483][ T747] __run_timers+0x545/0x810 [ 120.572685][ T747] run_timer_softirq+0xe8/0x1b0 [ 120.572890][ T747] __do_softirq+0x1f8/0x5df [ 120.573097][ T747] irq_exit_rcu+0x97/0xc0 [ 120.573301][ T747] sysvec_apic_timer_interrupt+0x75/0x80 [ 120.573548][ T747] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 120.573794][ T747] default_idle+0xf/0x20 [ 120.574017][ T747] default_idle_call+0x6d/0xb0 [ 120.574224][ T747] cpuidle_idle_call+0x1f4/0x280 [ 120.574432][ T747] do_idle+0xf9/0x160 [ 120.574594][ T747] cpu_startup_entry+0x54/0x60 [ 120.574810][ T747] rest_init+0x14f/0x260 [ 120.575021][ T747] start_kernel+0x318/0x3d0 [ 120.575225][ T747] x86_64_start_reservations+0x18/0x30 [ 120.575427][ T747] x86_64_start_kernel+0xba/0x110 [ 120.575634][ T747] common_startup_64+0x12c/0x138 [ 120.575934][ T747] IN-SOFTIRQ-R at: [ 120.576054][ T747] __lock_acquire+0x797/0x1570 [ 120.576268][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.576587][ T747] _raw_read_lock_bh+0x44/0x80 [ 120.576798][ T747] ipv6_get_lladdr+0xa9/0x3e0 [ 120.576997][ T747] addrconf_rs_timer+0x24a/0x730 [ 120.577198][ T747] call_timer_fn+0x13b/0x230 [ 120.577419][ T747] __run_timers+0x545/0x810 [ 120.577629][ T747] run_timer_softirq+0xe8/0x1b0 [ 120.577830][ T747] __do_softirq+0x1f8/0x5df [ 120.578129][ T747] irq_exit_rcu+0x97/0xc0 [ 120.578340][ T747] sysvec_apic_timer_interrupt+0x75/0x80 [ 120.578588][ T747] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 120.578928][ T747] default_idle+0xf/0x20 [ 120.579151][ T747] default_idle_call+0x6d/0xb0 [ 120.579355][ T747] cpuidle_idle_call+0x1f4/0x280 [ 120.579566][ T747] do_idle+0xf9/0x160 [ 120.579921][ T747] cpu_startup_entry+0x54/0x60 [ 120.580121][ T747] rest_init+0x14f/0x260 [ 120.580326][ T747] start_kernel+0x318/0x3d0 [ 120.580638][ T747] x86_64_start_reservations+0x18/0x30 [ 120.580848][ T747] x86_64_start_kernel+0xba/0x110 [ 120.581055][ T747] common_startup_64+0x12c/0x138 [ 120.581265][ T747] INITIAL USE at: [ 120.581387][ T747] __lock_acquire+0x797/0x1570 [ 120.581596][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.581801][ T747] _raw_write_lock_bh+0x38/0x50 [ 120.582098][ T747] addrconf_permanent_addr+0x6e/0x670 [ 120.582300][ T747] addrconf_notify+0x749/0xd60 [ 120.582501][ T747] notifier_call_chain+0xcd/0x150 [ 120.582703][ T747] __dev_notify_flags+0xe6/0x250 [ 120.582995][ T747] dev_change_flags+0xec/0x160 [ 120.583200][ T747] do_setlink+0x7d6/0x21e0 [ 120.583403][ T747] __rtnl_newlink+0xaa7/0xd80 [ 120.583702][ T747] rtnl_newlink+0x63/0xa0 [ 120.583901][ T747] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.584103][ T747] netlink_rcv_skb+0x130/0x360 [ 120.584305][ T747] netlink_unicast+0x449/0x710 [ 120.584600][ T747] netlink_sendmsg+0x723/0xbe0 [ 120.584800][ T747] ____sys_sendmsg+0x7b2/0xa10 [ 120.585012][ T747] ___sys_sendmsg+0xee/0x170 [ 120.585308][ T747] __sys_sendmsg+0xcd/0x170 [ 120.585508][ T747] do_syscall_64+0xc6/0x1e0 [ 120.585710][ T747] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.586050][ T747] INITIAL READ USE at: [ 120.586173][ T747] __lock_acquire+0x797/0x1570 [ 120.586379][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.586587][ T747] _raw_read_lock_bh+0x44/0x80 [ 120.586878][ T747] inet6_fill_ifla6_attrs+0x516/0x740 [ 120.587124][ T747] inet6_fill_link_af+0x5e/0xe0 [ 120.587325][ T747] rtnl_fill_ifinfo+0x1612/0x29e0 [ 120.587637][ T747] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 120.587881][ T747] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 120.588129][ T747] rtmsg_ifinfo+0x5b/0xa0 [ 120.588333][ T747] register_netdevice+0x1177/0x1690 [ 120.588574][ T747] register_netdev+0x20/0x40 [ 120.588776][ T747] sit_init_net+0x250/0x4f0 [ 120.589080][ T747] ops_init+0x9b/0x560 [ 120.589296][ T747] register_pernet_operations+0x2db/0x710 [ 120.589541][ T747] register_pernet_device+0x2a/0x60 [ 120.589875][ T747] sit_init+0x23/0xe0 [ 120.590081][ T747] do_one_initcall+0x8d/0x1e0 [ 120.590289][ T747] do_initcalls+0x1b2/0x3e0 [ 120.590490][ T747] kernel_init_freeable+0x232/0x310 [ 120.590838][ T747] kernel_init+0x20/0x200 [ 120.591045][ T747] ret_from_fork+0x31/0x70 [ 120.591251][ T747] ret_from_fork_asm+0x1a/0x30 [ 120.591548][ T747] } [ 120.591632][ T747] ... key at: [] __key.36+0x0/0x40 [ 120.591876][ T747] [ 120.591876][ T747] the dependencies between the lock to be acquired [ 120.591877][ T747] and SOFTIRQ-irq-unsafe lock: [ 120.592492][ T747] -> (&p->alloc_lock){+.+.}-{2:2} { [ 120.592664][ T747] HARDIRQ-ON-W at: [ 120.592791][ T747] __lock_acquire+0x797/0x1570 [ 120.592996][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.593292][ T747] _raw_spin_lock+0x30/0x40 [ 120.593499][ T747] set_mems_allowed+0x1d/0x210 [ 120.593700][ T747] kernel_init_freeable+0x72/0x310 [ 120.594004][ T747] kernel_init+0x20/0x200 [ 120.594205][ T747] ret_from_fork+0x31/0x70 [ 120.594409][ T747] ret_from_fork_asm+0x1a/0x30 [ 120.594703][ T747] SOFTIRQ-ON-W at: [ 120.594823][ T747] __lock_acquire+0x797/0x1570 [ 120.595027][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.595236][ T747] _raw_spin_lock+0x30/0x40 [ 120.595538][ T747] set_mems_allowed+0x1d/0x210 [ 120.595743][ T747] kernel_init_freeable+0x72/0x310 [ 120.595945][ T747] kernel_init+0x20/0x200 [ 120.596155][ T747] ret_from_fork+0x31/0x70 [ 120.596367][ T747] ret_from_fork_asm+0x1a/0x30 [ 120.596568][ T747] INITIAL USE at: [ 120.596694][ T747] __lock_acquire+0x797/0x1570 [ 120.596999][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.597200][ T747] _raw_spin_lock+0x30/0x40 [ 120.597406][ T747] set_mems_allowed+0x1d/0x210 [ 120.597605][ T747] kernel_init_freeable+0x72/0x310 [ 120.597902][ T747] kernel_init+0x20/0x200 [ 120.598107][ T747] ret_from_fork+0x31/0x70 [ 120.598312][ T747] ret_from_fork_asm+0x1a/0x30 [ 120.598624][ T747] } [ 120.598706][ T747] ... key at: [] __key.387+0x0/0x40 [ 120.598950][ T747] ... acquired at: [ 120.599081][ T747] check_prev_add+0x194/0xce0 [ 120.599243][ T747] validate_chain+0x71d/0x9b0 [ 120.599403][ T747] __lock_acquire+0xaf0/0x1570 [ 120.599570][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.599730][ T747] _raw_spin_lock+0x30/0x40 [ 120.599891][ T747] __get_task_comm+0x27/0x70 [ 120.600146][ T747] ref_tracker_alloc+0x2ee/0x490 [ 120.600306][ T747] netdev_get_by_index+0x5e/0x80 [ 120.600468][ T747] fib6_nh_init+0x3d8/0x15b0 [ 120.600628][ T747] ip6_route_info_create+0xf18/0x17d0 [ 120.600880][ T747] addrconf_f6i_alloc+0x244/0x410 [ 120.601052][ T747] addrconf_permanent_addr+0x1ed/0x670 [ 120.601220][ T747] addrconf_notify+0x749/0xd60 [ 120.601384][ T747] notifier_call_chain+0xcd/0x150 [ 120.601633][ T747] __dev_notify_flags+0xe6/0x250 [ 120.601799][ T747] dev_change_flags+0xec/0x160 [ 120.601959][ T747] do_setlink+0x7d6/0x21e0 [ 120.602118][ T747] __rtnl_newlink+0xaa7/0xd80 [ 120.602278][ T747] rtnl_newlink+0x63/0xa0 [ 120.602527][ T747] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.602685][ T747] netlink_rcv_skb+0x130/0x360 [ 120.602850][ T747] netlink_unicast+0x449/0x710 [ 120.603011][ T747] netlink_sendmsg+0x723/0xbe0 [ 120.603268][ T747] ____sys_sendmsg+0x7b2/0xa10 [ 120.603428][ T747] ___sys_sendmsg+0xee/0x170 [ 120.603587][ T747] __sys_sendmsg+0xcd/0x170 [ 120.603747][ T747] do_syscall_64+0xc6/0x1e0 [ 120.603996][ T747] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.604198][ T747] [ 120.604280][ T747] [ 120.604280][ T747] stack backtrace: [ 120.604481][ T747] CPU: 1 PID: 747 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 120.604900][ T747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 120.605254][ T747] Call Trace: [ 120.605394][ T747] [ 120.605478][ T747] dump_stack_lvl+0x82/0xd0 [ 120.605736][ T747] print_bad_irq_dependency+0x957/0xd40 [ 120.605907][ T747] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 120.606118][ T747] ? __pfx_usage_skip+0x10/0x10 [ 120.606285][ T747] ? __bfs+0x246/0x650 [ 120.606404][ T747] ? __pfx_usage_match+0x10/0x10 [ 120.606562][ T747] check_irq_usage+0x596/0x850 [ 120.606723][ T747] ? __pfx_check_irq_usage+0x10/0x10 [ 120.606884][ T747] ? __bfs+0x246/0x650 [ 120.607102][ T747] ? __pfx_hlock_conflict+0x10/0x10 [ 120.607272][ T747] ? check_path.constprop.0+0x24/0x50 [ 120.607434][ T747] ? check_noncircular+0x14c/0x3e0 [ 120.607597][ T747] ? __pfx_check_noncircular+0x10/0x10 [ 120.607757][ T747] ? find_held_lock+0x2c/0x110 [ 120.608018][ T747] ? check_prev_add+0x194/0xce0 [ 120.608181][ T747] check_prev_add+0x194/0xce0 [ 120.608344][ T747] ? validate_chain+0x130/0x9b0 [ 120.608504][ T747] validate_chain+0x71d/0x9b0 [ 120.608755][ T747] ? mark_lock+0x38/0x3e0 [ 120.608882][ T747] ? __pfx_validate_chain+0x10/0x10 [ 120.609061][ T747] ? hlock_class+0x4e/0x130 [ 120.609225][ T747] ? mark_lock+0x38/0x3e0 [ 120.609353][ T747] __lock_acquire+0xaf0/0x1570 [ 120.609617][ T747] lock_acquire.part.0+0xeb/0x330 [ 120.609781][ T747] ? __get_task_comm+0x27/0x70 [ 120.609940][ T747] ? mark_lock+0x38/0x3e0 [ 120.610065][ T747] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 120.610226][ T747] ? trace_lock_acquire+0x135/0x1c0 [ 120.610389][ T747] ? __get_task_comm+0x27/0x70 [ 120.610549][ T747] ? lock_acquire+0x32/0xc0 [ 120.610707][ T747] ? __get_task_comm+0x27/0x70 [ 120.610957][ T747] _raw_spin_lock+0x30/0x40 [ 120.611116][ T747] ? __get_task_comm+0x27/0x70 [ 120.611274][ T747] __get_task_comm+0x27/0x70 [ 120.611460][ T747] ref_tracker_alloc+0x2ee/0x490 [ 120.611718][ T747] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 120.612108][ T747] ? dev_get_by_index+0x177/0x270 [ 120.612342][ T747] ? netdev_get_by_index+0x5e/0x80 [ 120.612502][ T747] ? fib6_nh_init+0x3d8/0x15b0 [ 120.612662][ T747] ? ip6_route_info_create+0xf18/0x17d0 [ 120.612924][ T747] ? addrconf_f6i_alloc+0x244/0x410 [ 120.613084][ T747] ? addrconf_permanent_addr+0x1ed/0x670 [ 120.613242][ T747] ? addrconf_notify+0x749/0xd60 [ 120.613401][ T747] ? notifier_call_chain+0xcd/0x150 [ 120.613662][ T747] ? __dev_notify_flags+0xe6/0x250 [ 120.613823][ T747] ? dev_change_flags+0xec/0x160 [ 120.613983][ T747] ? do_setlink+0x7d6/0x21e0 [ 120.614149][ T747] ? __rtnl_newlink+0xaa7/0xd80 [ 120.614400][ T747] ? rtnl_newlink+0x63/0xa0 [ 120.614564][ T747] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.614733][ T747] ? netlink_rcv_skb+0x130/0x360 [ 120.614894][ T747] ? netlink_unicast+0x449/0x710 [ 120.615054][ T747] ? netlink_sendmsg+0x723/0xbe0 [ 120.615306][ T747] ? dev_get_by_index+0x177/0x270 [ 120.615467][ T747] netdev_get_by_index+0x5e/0x80 [ 120.615629][ T747] fib6_nh_init+0x3d8/0x15b0 [ 120.615791][ T747] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 120.616088][ T747] ? __pfx_fib6_nh_init+0x10/0x10 [ 120.616249][ T747] ? __kasan_kmalloc+0x7f/0x90 [ 120.616413][ T747] ? trace_kmalloc+0x2a/0xe0 [ 120.616574][ T747] ? __kmalloc+0x1d7/0x3c0 [ 120.616825][ T747] ip6_route_info_create+0xf18/0x17d0 [ 120.616989][ T747] ? __pfx_ip6_route_info_create+0x10/0x10 [ 120.617185][ T747] ? mark_lock+0x38/0x3e0 [ 120.617307][ T747] addrconf_f6i_alloc+0x244/0x410 [ 120.617658][ T747] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 120.617818][ T747] ? lock_acquire.part.0+0xeb/0x330 [ 120.617983][ T747] ? __pfx_do_raw_write_lock+0x10/0x10 [ 120.618143][ T747] ? lock_acquire+0x32/0xc0 [ 120.618307][ T747] ? addrconf_permanent_addr+0x6e/0x670 [ 120.618466][ T747] addrconf_permanent_addr+0x1ed/0x670 [ 120.618626][ T747] addrconf_notify+0x749/0xd60 [ 120.618790][ T747] notifier_call_chain+0xcd/0x150 [ 120.618952][ T747] __dev_notify_flags+0xe6/0x250 [ 120.619211][ T747] ? __pfx___dev_notify_flags+0x10/0x10 [ 120.619370][ T747] ? __dev_change_flags+0x469/0x6c0 [ 120.619531][ T747] ? __pfx___dev_change_flags+0x10/0x10 [ 120.619693][ T747] ? find_held_lock+0x2c/0x110 [ 120.619942][ T747] dev_change_flags+0xec/0x160 [ 120.620101][ T747] do_setlink+0x7d6/0x21e0 [ 120.620259][ T747] ? is_bpf_text_address+0x6c/0x120 [ 120.620422][ T747] ? __pfx_do_setlink+0x10/0x10 [ 120.620671][ T747] ? is_bpf_text_address+0x71/0x120 [ 120.620830][ T747] ? kernel_text_address+0xce/0xe0 [ 120.620990][ T747] ? __kernel_text_address+0x12/0x40 [ 120.621154][ T747] ? unwind_get_return_address+0x5e/0xa0 [ 120.621406][ T747] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 120.621606][ T747] ? arch_stack_walk+0xa2/0xf0 [ 120.621778][ T747] ? stack_trace_save+0x94/0xd0 [ 120.621934][ T747] ? __pfx_stack_trace_save+0x10/0x10 [ 120.622196][ T747] ? stack_depot_save_flags+0x45/0x530 [ 120.622357][ T747] ? mark_lock+0x38/0x3e0 [ 120.622482][ T747] ? kasan_save_stack+0x34/0x50 [ 120.622642][ T747] ? kasan_save_stack+0x24/0x50 [ 120.622806][ T747] ? kasan_save_track+0x14/0x30 [ 120.623057][ T747] ? __kasan_kmalloc+0x7f/0x90 [ 120.623225][ T747] ? rtnl_newlink+0x4a/0xa0 [ 120.623384][ T747] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.623544][ T747] ? netlink_rcv_skb+0x130/0x360 [ 120.623794][ T747] ? __nla_validate_parse+0x30/0x3d0 [ 120.623951][ T747] ? netlink_sendmsg+0x723/0xbe0 [ 120.624117][ T747] ? ____sys_sendmsg+0x7b2/0xa10 [ 120.624279][ T747] ? ___sys_sendmsg+0xee/0x170 [ 120.624543][ T747] __rtnl_newlink+0xaa7/0xd80 [ 120.624705][ T747] ? hlock_class+0x4e/0x130 [ 120.624872][ T747] ? __pfx___rtnl_newlink+0x10/0x10 [ 120.625044][ T747] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 120.625245][ T747] ? __create_object+0x5e/0xb0 [ 120.625414][ T747] ? trace_kmalloc+0x2a/0xe0 [ 120.625573][ T747] rtnl_newlink+0x63/0xa0 [ 120.625696][ T747] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.625860][ T747] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 120.626110][ T747] ? hlock_class+0x4e/0x130 [ 120.626275][ T747] ? mark_lock+0x38/0x3e0 [ 120.626410][ T747] ? __lock_acquire+0xaf0/0x1570 [ 120.626570][ T747] netlink_rcv_skb+0x130/0x360 [ 120.626828][ T747] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 120.626994][ T747] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 120.627160][ T747] ? lock_acquire.part.0+0xeb/0x330 [ 120.627328][ T747] ? netlink_deliver_tap+0xc8/0x340 [ 120.627493][ T747] ? lock_acquire+0x32/0xc0 [ 120.627744][ T747] ? netlink_deliver_tap+0xc8/0x340 [ 120.627912][ T747] ? netlink_deliver_tap+0xc8/0x340 [ 120.628076][ T747] ? netlink_deliver_tap+0x149/0x340 [ 120.628243][ T747] netlink_unicast+0x449/0x710 [ 120.628406][ T747] ? __pfx_netlink_unicast+0x10/0x10 [ 120.628573][ T747] ? find_held_lock+0x2c/0x110 [ 120.628738][ T747] netlink_sendmsg+0x723/0xbe0 [ 120.628900][ T747] ? __pfx_netlink_sendmsg+0x10/0x10 [ 120.629168][ T747] ? __might_fault+0xc3/0x170 [ 120.629329][ T747] ? __import_iovec+0x35d/0x5d0 [ 120.629493][ T747] ____sys_sendmsg+0x7b2/0xa10 [ 120.629652][ T747] ? __pfx_____sys_sendmsg+0x10/0x10 [ 120.630000][ T747] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 120.630210][ T747] ? __pfx_validate_chain+0x10/0x10 [ 120.630386][ T747] ___sys_sendmsg+0xee/0x170 [ 120.630548][ T747] ? __pfx____sys_sendmsg+0x10/0x10 [ 120.630808][ T747] ? find_held_lock+0x2c/0x110 [ 120.630975][ T747] ? __lock_release+0x103/0x460 [ 120.631138][ T747] ? __debug_check_no_obj_freed+0x253/0x520 [ 120.631340][ T747] ? __pfx___lock_release+0x10/0x10 [ 120.631605][ T747] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 120.631771][ T747] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 120.631978][ T747] ? __fget_light+0x53/0x1e0 [ 120.632141][ T747] __sys_sendmsg+0xcd/0x170 [ 120.632308][ T747] ? __pfx___sys_sendmsg+0x10/0x10 [ 120.632480][ T747] do_syscall_64+0xc6/0x1e0 [ 120.632644][ T747] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.632847][ T747] RIP: 0033:0x7f2770ba07b7 [ 120.633111][ T747] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 120.633694][ T747] RSP: 002b:00007ffd45567868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 120.634033][ T747] RAX: ffffffffffffffda RBX: 00007ffd45567fa0 RCX: 00007f2770ba07b7 [ 120.634287][ T747] RDX: 0000000000000000 RSI: 00007ffd455678d0 RDI: 0000000000000005 [ 120.634538][ T747] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 120.634871][ T747] R10: 00007f2770a5e4a8 R11: 0000000000000246 R12: 0000000000000002 [ 120.635111][ T747] R13: 00000000660e201c R14: 0000000000495540 R15: 0000000000000000 [ 120.635357][ T747] [ 120.655780][ T747] ip (747) used greatest stack depth: 22272 bytes left [ 120.757717][ T748] bond0: (slave veth0): Enslaving as a backup interface with a down link [ 120.870282][ T749] bond0: (slave veth1): Enslaving as a backup interface with a down link [ 120.975882][ T750] br0: port 1(veth0) entered blocking state [ 120.976083][ T750] br0: port 1(veth0) entered disabled state [ 120.976271][ T750] veth0: entered allmulticast mode [ 120.977233][ T750] veth0: entered promiscuous mode [ 121.083352][ T751] br0: port 2(veth1) entered blocking state [ 121.083574][ T751] br0: port 2(veth1) entered disabled state [ 121.083765][ T751] veth1: entered allmulticast mode [ 121.084693][ T751] veth1: entered promiscuous mode [ 121.541933][ T65] br0: port 1(veth0) entered blocking state [ 121.542137][ T65] br0: port 1(veth0) entered forwarding state [ 121.547668][ T65] br0: port 2(veth1) entered blocking state [ 121.547848][ T65] br0: port 2(veth1) entered forwarding state [ 122.602787][ T75] bond0: (slave veth1): link status definitely up [ 122.602954][ T75] bond0: (slave veth1): making interface the new active one [ 122.603475][ T75] bond0: active interface up! [ 123.143595][ T268] veth1: left allmulticast mode [ 123.143889][ T268] veth1: left promiscuous mode [ 123.144272][ T268] br0: port 2(veth1) entered disabled state [ 123.145739][ T268] veth0: left allmulticast mode [ 123.145957][ T268] veth0: left promiscuous mode [ 123.146343][ T268] br0: port 1(veth0) entered disabled state [ 123.196387][ T268] bond0: (slave veth1): Releasing backup interface [ 123.213877][ T268] bond0: (slave veth0): Releasing backup interface [ 123.278325][ T268] bond0 (unregistering): Released all slaves