[ 27.336083][ T264] eth0: renamed from r1h0 [ 28.262735][ T271] eth1: renamed from r1h1 [ 29.173586][ T278] eth2: renamed from r1h2 [ 30.095706][ T285] eth3: renamed from r1h3 [ 32.676665][ C0] [ 32.676905][ C0] ======================================================== [ 32.677145][ C0] WARNING: possible irq lock inversion dependency detected [ 32.677386][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 32.677543][ C0] -------------------------------------------------------- [ 32.677772][ C0] swapper/0/0 just changed the state of lock: [ 32.677969][ C0] ffff888005d1ed80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 32.678257][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 32.678493][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 32.678497][ C0] [ 32.678497][ C0] [ 32.678497][ C0] and interrupts could create inverse lock ordering between them. [ 32.678497][ C0] [ 32.679072][ C0] [ 32.679072][ C0] other info that might help us debug this: [ 32.679305][ C0] Possible interrupt unsafe locking scenario: [ 32.679305][ C0] [ 32.679537][ C0] CPU0 CPU1 [ 32.679691][ C0] ---- ---- [ 32.679849][ C0] lock(&p->alloc_lock); [ 32.679969][ C0] local_irq_disable(); [ 32.680161][ C0] lock(&ndev->lock); [ 32.680356][ C0] lock(&p->alloc_lock); [ 32.680551][ C0] [ 32.680667][ C0] lock(&ndev->lock); [ 32.680786][ C0] [ 32.680786][ C0] *** DEADLOCK *** [ 32.680786][ C0] [ 32.681017][ C0] 1 lock held by swapper/0/0: [ 32.681176][ C0] #0: ffffc90000007d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 32.681456][ C0] [ 32.681456][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 32.681726][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 32.681890][ C0] HARDIRQ-ON-W at: [ 32.682011][ C0] __lock_acquire+0x797/0x1570 [ 32.682217][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.682415][ C0] _raw_spin_lock+0x30/0x40 [ 32.682616][ C0] set_mems_allowed+0x1d/0x210 [ 32.682818][ C0] kernel_init_freeable+0x72/0x310 [ 32.683019][ C0] kernel_init+0x20/0x200 [ 32.683219][ C0] ret_from_fork+0x31/0x70 [ 32.683421][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.683621][ C0] SOFTIRQ-ON-W at: [ 32.683751][ C0] __lock_acquire+0x797/0x1570 [ 32.683949][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.684145][ C0] _raw_spin_lock+0x30/0x40 [ 32.684340][ C0] set_mems_allowed+0x1d/0x210 [ 32.684542][ C0] kernel_init_freeable+0x72/0x310 [ 32.684739][ C0] kernel_init+0x20/0x200 [ 32.684940][ C0] ret_from_fork+0x31/0x70 [ 32.685142][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.685339][ C0] INITIAL USE at: [ 32.685458][ C0] __lock_acquire+0x797/0x1570 [ 32.685655][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.685858][ C0] _raw_spin_lock+0x30/0x40 [ 32.686057][ C0] set_mems_allowed+0x1d/0x210 [ 32.686254][ C0] kernel_init_freeable+0x72/0x310 [ 32.686452][ C0] kernel_init+0x20/0x200 [ 32.686652][ C0] ret_from_fork+0x31/0x70 [ 32.686850][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.687050][ C0] } [ 32.687130][ C0] ... key at: [] __key.388+0x0/0x40 [ 32.687368][ C0] ... acquired at: [ 32.687487][ C0] __lock_acquire+0xaf0/0x1570 [ 32.687650][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.687808][ C0] _raw_spin_lock+0x30/0x40 [ 32.687965][ C0] __get_task_comm+0x27/0x70 [ 32.688124][ C0] ref_tracker_alloc+0x2ee/0x490 [ 32.688286][ C0] netdev_get_by_index+0x5e/0x80 [ 32.688444][ C0] fib6_nh_init+0x3d8/0x1580 [ 32.688607][ C0] ip6_route_info_create+0xf18/0x17d0 [ 32.688764][ C0] addrconf_f6i_alloc+0x265/0x560 [ 32.688922][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.689080][ C0] addrconf_join_anycast+0x1c0/0x220 [ 32.689237][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 32.689397][ C0] addrconf_dad_completed+0x12b/0xe20 [ 32.689553][ C0] addrconf_dad_work+0x38c/0xab0 [ 32.689709][ C0] process_one_work+0xe2c/0x1730 [ 32.689866][ C0] worker_thread+0x587/0xd30 [ 32.690025][ C0] kthread+0x28a/0x350 [ 32.690145][ C0] ret_from_fork+0x31/0x70 [ 32.690310][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.690467][ C0] [ 32.690547][ C0] -> (&ndev->lock){++-.}-{2:2} { [ 32.690713][ C0] HARDIRQ-ON-W at: [ 32.690831][ C0] __lock_acquire+0x797/0x1570 [ 32.691029][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.691227][ C0] _raw_write_lock_bh+0x38/0x50 [ 32.691428][ C0] addrconf_permanent_addr+0x6e/0x670 [ 32.691625][ C0] addrconf_notify+0x749/0xd60 [ 32.691821][ C0] notifier_call_chain+0xcd/0x150 [ 32.692024][ C0] __dev_notify_flags+0xe6/0x250 [ 32.692224][ C0] dev_change_flags+0xec/0x160 [ 32.692421][ C0] do_setlink+0x7d6/0x21e0 [ 32.692618][ C0] __rtnl_newlink+0xaa7/0xd80 [ 32.692816][ C0] rtnl_newlink+0x63/0xa0 [ 32.693012][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.693211][ C0] netlink_rcv_skb+0x130/0x360 [ 32.693410][ C0] netlink_unicast+0x449/0x710 [ 32.693607][ C0] netlink_sendmsg+0x723/0xbe0 [ 32.693811][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 32.694012][ C0] ___sys_sendmsg+0xee/0x170 [ 32.694209][ C0] __sys_sendmsg+0xcd/0x170 [ 32.694403][ C0] do_syscall_64+0xc6/0x1e0 [ 32.694602][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.694838][ C0] HARDIRQ-ON-R at: [ 32.694955][ C0] __lock_acquire+0x797/0x1570 [ 32.695155][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.695352][ C0] _raw_read_lock_bh+0x44/0x80 [ 32.695550][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.695750][ C0] inet6_fill_link_af+0x5e/0xe0 [ 32.695945][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.696142][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.696343][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.696577][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 32.696776][ C0] register_netdevice+0x1177/0x1690 [ 32.696976][ C0] register_netdev+0x20/0x40 [ 32.697172][ C0] vti6_init_net+0x25d/0x380 [ 32.697373][ C0] ops_init+0x9b/0x560 [ 32.697531][ C0] register_pernet_operations+0x2db/0x710 [ 32.697766][ C0] register_pernet_device+0x2a/0x60 [ 32.697965][ C0] vti6_tunnel_init+0x18/0x110 [ 32.698168][ C0] do_one_initcall+0x8d/0x1e0 [ 32.698371][ C0] do_initcalls+0x1b2/0x3e0 [ 32.698574][ C0] kernel_init_freeable+0x232/0x310 [ 32.698772][ C0] kernel_init+0x20/0x200 [ 32.698970][ C0] ret_from_fork+0x31/0x70 [ 32.699168][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.699368][ C0] IN-SOFTIRQ-W at: [ 32.699486][ C0] __lock_acquire+0x797/0x1570 [ 32.699688][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.699886][ C0] _raw_write_lock+0x30/0x40 [ 32.700086][ C0] addrconf_rs_timer+0xa9/0x730 [ 32.700283][ C0] call_timer_fn+0x13b/0x230 [ 32.700486][ C0] __run_timers+0x545/0x810 [ 32.700685][ C0] run_timer_softirq+0xe8/0x1b0 [ 32.700885][ C0] __do_softirq+0x1f8/0x5df [ 32.701080][ C0] irq_exit_rcu+0x97/0xc0 [ 32.701280][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.701520][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.701757][ C0] default_idle+0xf/0x20 [ 32.701956][ C0] default_idle_call+0x6d/0xb0 [ 32.702155][ C0] cpuidle_idle_call+0x1f4/0x280 [ 32.702351][ C0] do_idle+0xf9/0x160 [ 32.702509][ C0] cpu_startup_entry+0x54/0x60 [ 32.702706][ C0] rest_init+0x14f/0x260 [ 32.702903][ C0] start_kernel+0x318/0x3d0 [ 32.703101][ C0] x86_64_start_reservations+0x18/0x30 [ 32.703300][ C0] x86_64_start_kernel+0xba/0x110 [ 32.703504][ C0] common_startup_64+0x12c/0x138 [ 32.703711][ C0] INITIAL USE at: [ 32.703836][ C0] __lock_acquire+0x797/0x1570 [ 32.704033][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.704231][ C0] _raw_write_lock_bh+0x38/0x50 [ 32.704429][ C0] addrconf_permanent_addr+0x6e/0x670 [ 32.704628][ C0] addrconf_notify+0x749/0xd60 [ 32.704825][ C0] notifier_call_chain+0xcd/0x150 [ 32.705022][ C0] __dev_notify_flags+0xe6/0x250 [ 32.705219][ C0] dev_change_flags+0xec/0x160 [ 32.705412][ C0] do_setlink+0x7d6/0x21e0 [ 32.705611][ C0] __rtnl_newlink+0xaa7/0xd80 [ 32.705806][ C0] rtnl_newlink+0x63/0xa0 [ 32.706004][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.706203][ C0] netlink_rcv_skb+0x130/0x360 [ 32.706400][ C0] netlink_unicast+0x449/0x710 [ 32.706599][ C0] netlink_sendmsg+0x723/0xbe0 [ 32.706795][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 32.706994][ C0] ___sys_sendmsg+0xee/0x170 [ 32.707194][ C0] __sys_sendmsg+0xcd/0x170 [ 32.707391][ C0] do_syscall_64+0xc6/0x1e0 [ 32.707590][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.707825][ C0] INITIAL READ USE at: [ 32.707944][ C0] __lock_acquire+0x797/0x1570 [ 32.708141][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.708338][ C0] _raw_read_lock_bh+0x44/0x80 [ 32.708540][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.708776][ C0] inet6_fill_link_af+0x5e/0xe0 [ 32.708972][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.709166][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.709399][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.709730][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 32.709927][ C0] register_netdevice+0x1177/0x1690 [ 32.710161][ C0] register_netdev+0x20/0x40 [ 32.710447][ C0] vti6_init_net+0x25d/0x380 [ 32.710648][ C0] ops_init+0x9b/0x560 [ 32.710844][ C0] register_pernet_operations+0x2db/0x710 [ 32.711170][ C0] register_pernet_device+0x2a/0x60 [ 32.711405][ C0] vti6_tunnel_init+0x18/0x110 [ 32.711600][ C0] do_one_initcall+0x8d/0x1e0 [ 32.711803][ C0] do_initcalls+0x1b2/0x3e0 [ 32.712179][ C0] kernel_init_freeable+0x232/0x310 [ 32.712413][ C0] kernel_init+0x20/0x200 [ 32.712612][ C0] ret_from_fork+0x31/0x70 [ 32.712896][ C0] ret_from_fork_asm+0x1a/0x30 [ 32.713092][ C0] } [ 32.713171][ C0] ... key at: [] __key.37+0x0/0x40 [ 32.713408][ C0] ... acquired at: [ 32.713611][ C0] mark_lock+0x28d/0x3e0 [ 32.713775][ C0] mark_usage+0xd9/0x2a0 [ 32.713932][ C0] __lock_acquire+0x797/0x1570 [ 32.714095][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.714341][ C0] _raw_write_lock+0x30/0x40 [ 32.714499][ C0] addrconf_rs_timer+0xa9/0x730 [ 32.714655][ C0] call_timer_fn+0x13b/0x230 [ 32.714810][ C0] __run_timers+0x545/0x810 [ 32.715051][ C0] run_timer_softirq+0xe8/0x1b0 [ 32.715206][ C0] __do_softirq+0x1f8/0x5df [ 32.715361][ C0] irq_exit_rcu+0x97/0xc0 [ 32.715514][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.715797][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.715988][ C0] default_idle+0xf/0x20 [ 32.716143][ C0] default_idle_call+0x6d/0xb0 [ 32.716298][ C0] cpuidle_idle_call+0x1f4/0x280 [ 32.716541][ C0] do_idle+0xf9/0x160 [ 32.716661][ C0] cpu_startup_entry+0x54/0x60 [ 32.716817][ C0] rest_init+0x14f/0x260 [ 32.716971][ C0] start_kernel+0x318/0x3d0 [ 32.717130][ C0] x86_64_start_reservations+0x18/0x30 [ 32.717374][ C0] x86_64_start_kernel+0xba/0x110 [ 32.717530][ C0] common_startup_64+0x12c/0x138 [ 32.717690][ C0] [ 32.717769][ C0] [ 32.717769][ C0] stack backtrace: [ 32.718047][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-rc1-virtme #1 [ 32.718284][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.718636][ C0] Call Trace: [ 32.718848][ C0] [ 32.718931][ C0] dump_stack_lvl+0x82/0xd0 [ 32.719091][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 32.719286][ C0] ? kernel_text_address+0x17/0xe0 [ 32.719445][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 32.719732][ C0] ? __pfx_usage_skip+0x10/0x10 [ 32.719889][ C0] ? __pfx_usage_match+0x10/0x10 [ 32.720047][ C0] ? arch_stack_walk+0x8c/0xf0 [ 32.720214][ C0] mark_lock_irq+0x4cd/0xa10 [ 32.720369][ C0] ? common_startup_64+0x12c/0x138 [ 32.720526][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 32.720683][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 32.720841][ C0] ? save_trace+0x8f/0x5b0 [ 32.721086][ C0] mark_lock+0x28d/0x3e0 [ 32.721203][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 32.721364][ C0] mark_usage+0xd9/0x2a0 [ 32.721482][ C0] __lock_acquire+0x797/0x1570 [ 32.721655][ C0] ? __pfx_validate_chain+0x10/0x10 [ 32.721896][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.722050][ C0] lock_acquire.part.0+0xeb/0x330 [ 32.722206][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 32.722359][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.722603][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 32.722763][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 32.722919][ C0] ? lock_acquire+0x32/0xc0 [ 32.723075][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 32.723318][ C0] _raw_write_lock+0x30/0x40 [ 32.723475][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 32.723634][ C0] addrconf_rs_timer+0xa9/0x730 [ 32.723794][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.724123][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.724281][ C0] ? call_timer_fn+0xe8/0x230 [ 32.724436][ C0] ? lock_acquire+0x32/0xc0 [ 32.724589][ C0] ? call_timer_fn+0xe8/0x230 [ 32.724745][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.724986][ C0] call_timer_fn+0x13b/0x230 [ 32.725140][ C0] ? call_timer_fn+0xe8/0x230 [ 32.725294][ C0] ? call_timer_fn+0xe8/0x230 [ 32.725446][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 32.725687][ C0] ? mark_lock+0x38/0x3e0 [ 32.725810][ C0] __run_timers+0x545/0x810 [ 32.725964][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.726118][ C0] ? __pfx___run_timers+0x10/0x10 [ 32.726359][ C0] ? do_raw_spin_lock+0x131/0x270 [ 32.726513][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 32.726667][ C0] ? lock_acquire+0x32/0xc0 [ 32.726820][ C0] ? run_timer_softirq+0xe0/0x1b0 [ 32.726992][ C0] run_timer_softirq+0xe8/0x1b0 [ 32.727232][ C0] __do_softirq+0x1f8/0x5df [ 32.727392][ C0] irq_exit_rcu+0x97/0xc0 [ 32.727509][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.727665][ C0] [ 32.727744][ C0] [ 32.727909][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.728103][ C0] RIP: 0010:default_idle+0xf/0x20 [ 32.728264][ C0] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 eb 32 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 32.728908][ C0] RSP: 0018:ffffffffb0607e00 EFLAGS: 00000242 [ 32.729109][ C0] RAX: 00000000000a12ad RBX: 1ffffffff60c0fc2 RCX: ffffffffaf732ea5 [ 32.729435][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaceac1d4 [ 32.729667][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ec709c [ 32.729905][ C0] R10: ffff88802f6384e3 R11: ffff88802f62d9b0 R12: 0000000000000000 [ 32.730228][ C0] R13: ffffffffb0631000 R14: dffffc0000000000 R15: 0000000000014770 [ 32.730466][ C0] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 32.730622][ C0] ? cpuidle_idle_call+0x1f4/0x280 [ 32.730777][ C0] default_idle_call+0x6d/0xb0 [ 32.731018][ C0] cpuidle_idle_call+0x1f4/0x280 [ 32.731173][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 32.731329][ C0] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 32.731486][ C0] do_idle+0xf9/0x160 [ 32.731691][ C0] cpu_startup_entry+0x54/0x60 [ 32.731844][ C0] rest_init+0x14f/0x260 [ 32.731959][ C0] start_kernel+0x318/0x3d0 [ 32.732114][ C0] x86_64_start_reservations+0x18/0x30 [ 32.732267][ C0] x86_64_start_kernel+0xba/0x110 [ 32.732507][ C0] common_startup_64+0x12c/0x138 [ 32.732668][ C0]