Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. executing program executing program executing program [ 466.040648][ T28] audit: type=1400 audit(1713957883.096:66): avc: denied { execmem } for pid=734 comm="syz-executor217" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 566.076785][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 566.083580][ C1] (detected by 1, t=10002 jiffies, g=3893, q=36 ncpus=2) [ 566.090502][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294993821-4294983818), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 566.103707][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g3893 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 566.114632][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 566.124438][ C1] rcu: RCU grace-period kthread stack dump: [ 566.130177][ C1] task:rcu_preempt state:R running task stack:28040 pid:14 ppid:2 flags:0x00004000 [ 566.140762][ C1] Call Trace: [ 566.143881][ C1] [ 566.146662][ C1] __schedule+0xca7/0x1550 [ 566.150908][ C1] ? update_load_avg+0x513/0x1530 [ 566.155772][ C1] ? __sched_text_start+0x8/0x8 [ 566.160457][ C1] ? __kasan_check_write+0x14/0x20 [ 566.165409][ C1] schedule+0xc3/0x180 [ 566.169313][ C1] schedule_timeout+0x18c/0x380 [ 566.173998][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 566.179042][ C1] ? console_conditional_schedule+0x10/0x10 [ 566.184771][ C1] ? update_process_times+0x1b0/0x1b0 [ 566.189978][ C1] ? prepare_to_swait_event+0x308/0x320 [ 566.195351][ C1] rcu_gp_fqs_loop+0x2ed/0x1060 [ 566.200039][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 566.205066][ C1] ? rcu_gp_init+0xc7f/0xf80 [ 566.209495][ C1] ? rcu_gp_init+0xf80/0xf80 [ 566.213921][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 566.219567][ C1] ? finish_swait+0x17d/0x1b0 [ 566.224078][ C1] rcu_gp_kthread+0xa3/0x390 [ 566.228503][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 566.233966][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 566.239003][ C1] ? __kasan_check_read+0x11/0x20 [ 566.243870][ C1] ? __kthread_parkme+0x12d/0x180 [ 566.248728][ C1] kthread+0x26d/0x300 [ 566.252629][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 566.258108][ C1] ? kthread_blkcg+0xd0/0xd0 [ 566.262523][ C1] ret_from_fork+0x1f/0x30 [ 566.266780][ C1] [ 566.269642][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 566.275821][ C1] CPU: 1 PID: 746 Comm: syz-executor217 Not tainted 6.1.75-syzkaller-00066-gd0c6724b0f6f #0 [ 566.285696][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 566.295594][ C1] RIP: 0010:__task_pid_nr_ns+0x15f/0x270 [ 566.301068][ C1] Code: 5e 40 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 9a 00 00 00 44 8b 3b 49 8d 5c 24 04 48 89 d8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 9b 00 00 00 8b 1b 44 89 ff 89 de e8 ed f5 28 00 41 39 [ 566.320512][ C1] RSP: 0018:ffffc90002067ee8 EFLAGS: 00000a07 [ 566.326400][ C1] RAX: 0000000000000000 RBX: ffff88810d595244 RCX: ffff8881225c2880 [ 566.334217][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 566.342025][ C1] RBP: ffffc90002067f10 R08: ffffffff814c795f R09: 0000000000000000 [ 566.349836][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810d595240 [ 566.357647][ C1] R13: dffffc0000000000 R14: ffffffff86cffc20 R15: 0000000000000000 [ 566.365458][ C1] FS: 00007feba77736c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 566.374223][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 566.380650][ C1] CR2: 00007feba7772e40 CR3: 000000011c567000 CR4: 00000000003506a0 [ 566.388463][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 566.396283][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 566.404082][ C1] Call Trace: [ 566.407206][ C1] [ 566.409898][ C1] ? show_regs+0x58/0x60 [ 566.413974][ C1] ? dump_cpu_task+0x3c/0x70 [ 566.418398][ C1] ? rcu_check_gp_kthread_starvation+0x1d1/0x240 [ 566.424564][ C1] ? _find_next_bit+0x126/0x130 [ 566.429257][ C1] ? print_other_cpu_stall+0x1140/0x1300 [ 566.434720][ C1] ? print_cpu_stall+0x590/0x590 [ 566.439490][ C1] ? acct_account_cputime+0x1c2/0x2c0 [ 566.444701][ C1] ? rcu_sched_clock_irq+0xaeb/0x1330 [ 566.449908][ C1] ? rcu_boost_kthread_setaffinity+0x5a0/0x5a0 [ 566.455896][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 566.460930][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 566.466310][ C1] ? update_process_times+0x149/0x1b0 [ 566.471518][ C1] ? tick_sched_timer+0x188/0x240 [ 566.476377][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 566.481760][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 566.486970][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 566.491913][ C1] ? try_to_wake_up+0x670/0x1220 [ 566.496689][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 566.496790][ C0] sched: RT throttling activated [ 566.507362][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 566.512310][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 566.518209][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 566.523849][ C1] [ 566.526628][ C1] [ 566.529405][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 566.535395][ C1] ? __task_pid_nr_ns+0xef/0x270 [ 566.540170][ C1] ? __task_pid_nr_ns+0x15f/0x270 [ 566.545032][ C1] ? __task_pid_nr_ns+0xfe/0x270 [ 566.549802][ C1] __do_sys_getpid+0x1d/0x30 [ 566.554227][ C1] do_syscall_64+0x3d/0xb0 [ 566.558480][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 566.564125][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 566.569850][ C1] RIP: 0033:0x7feba77b0b47 [ 566.574105][ C1] Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d b2 08 09 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 d9 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 31 f6 31 ff e9 07 e3 02 00 0f 1f 80 00 [ 566.593549][ C1] RSP: 002b:00007feba7772c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000027 [ 566.601792][ C1] RAX: ffffffffffffffda RBX: 00007feba7772db0 RCX: 00007feba77b0b47 [ 566.609606][ C1] RDX: 00007feba7772c80 RSI: 00007feba7772db0 RDI: 0000000000000021 [ 566.617413][ C1] RBP: 0000000000000000 R08: 00007feba77736c0 R09: 00007feba77736c0 executing program executing program executing program [ 566.625227][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007feba783c30c [ 566.633037][ C1] R13: 0000000000000000 R14: 00007ffeda033fb0 R15: 00007ffeda034098 [ 566.640853][ C1] [ 666.676745][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 666.683539][ C0] (detected by 0, t=10002 jiffies, g=3901, q=65 ncpus=2) [ 666.690474][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4295003880-4294993878), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 666.703670][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g3901 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 666.714602][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 666.724407][ C0] rcu: RCU grace-period kthread stack dump: [ 666.730138][ C0] task:rcu_preempt state:R running task stack:28040 pid:14 ppid:2 flags:0x00004000 [ 666.740730][ C0] Call Trace: [ 666.743852][ C0] [ 666.746631][ C0] __schedule+0xca7/0x1550 [ 666.750882][ C0] ? update_load_avg+0x513/0x1530 [ 666.755747][ C0] ? __sched_text_start+0x8/0x8 [ 666.760430][ C0] ? __kasan_check_write+0x14/0x20 [ 666.765378][ C0] schedule+0xc3/0x180 [ 666.769284][ C0] schedule_timeout+0x18c/0x380 [ 666.773968][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 666.779002][ C0] ? console_conditional_schedule+0x10/0x10 [ 666.784731][ C0] ? update_process_times+0x1b0/0x1b0 [ 666.789939][ C0] ? prepare_to_swait_event+0x308/0x320 [ 666.795320][ C0] rcu_gp_fqs_loop+0x2ed/0x1060 [ 666.800006][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 666.805038][ C0] ? rcu_gp_init+0xc7f/0xf80 [ 666.809467][ C0] ? rcu_gp_init+0xf80/0xf80 [ 666.813895][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 666.819535][ C0] ? finish_swait+0x17d/0x1b0 [ 666.824048][ C0] rcu_gp_kthread+0xa3/0x390 [ 666.828476][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 666.833942][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 666.838976][ C0] ? __kasan_check_read+0x11/0x20 [ 666.843835][ C0] ? __kthread_parkme+0x12d/0x180 [ 666.848699][ C0] kthread+0x26d/0x300 [ 666.852601][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 666.858069][ C0] ? kthread_blkcg+0xd0/0xd0 [ 666.862496][ C0] ret_from_fork+0x1f/0x30 [ 666.866750][ C0] [ 666.869614][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 666.875790][ C0] Sending NMI from CPU 0 to CPUs 1: [ 666.880825][ C1] NMI backtrace for cpu 1 [ 666.880836][ C1] CPU: 1 PID: 757 Comm: syz-executor217 Not tainted 6.1.75-syzkaller-00066-gd0c6724b0f6f #0 [ 666.880852][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 666.880861][ C1] RIP: 0010:_raw_spin_lock_irqsave+0x9a/0x210 [ 666.880886][ C1] Code: 3e 08 f3 f3 f3 f3 4c 89 e3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 e7 e8 f4 9d bc fc 48 c7 44 24 50 00 00 00 00 9c 8f 44 24 50 <42> 80 3c 3b 00 74 08 4c 89 e7 e8 37 9d bc fc 48 8b 44 24 50 48 89 [ 666.880898][ C1] RSP: 0018:ffffc900001b0ba0 EFLAGS: 00000046 [ 666.880912][ C1] RAX: f300f204f1f1f1f1 RBX: 1ffff9200003617e RCX: ffff88811d886bb0 [ 666.880923][ C1] RDX: 0000000080010002 RSI: 0000000000000001 RDI: ffff88811c052bc0 [ 666.880933][ C1] RBP: ffffc900001b0c70 R08: ffffffff814c6e57 R09: 0000000000000003 [ 666.880944][ C1] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffc900001b0bf0 [ 666.880955][ C1] R13: ffff88811c052bc0 R14: 1ffff92000036178 R15: dffffc0000000000 [ 666.880966][ C1] FS: 00007feba77736c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 666.880979][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 666.880991][ C1] CR2: 00007feba7772e40 CR3: 00000001099ba000 CR4: 00000000003506a0 [ 666.881005][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 666.881013][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 666.881022][ C1] Call Trace: [ 666.881027][ C1] [ 666.881032][ C1] ? show_regs+0x58/0x60 [ 666.881047][ C1] ? nmi_cpu_backtrace+0x285/0x2f0 [ 666.881065][ C1] ? nmi_trigger_cpumask_backtrace+0x3c0/0x3c0 [ 666.881084][ C1] ? _raw_spin_lock_irqsave+0x9a/0x210 [ 666.881102][ C1] ? _raw_spin_lock_irqsave+0x9a/0x210 [ 666.881120][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 666.881136][ C1] ? nmi_handle+0xa7/0x280 [ 666.881151][ C1] ? _raw_spin_lock_irqsave+0x9a/0x210 [ 666.881168][ C1] ? default_do_nmi+0x69/0x160 [ 666.881184][ C1] ? exc_nmi+0xaf/0x120 [ 666.881198][ C1] ? end_repeat_nmi+0x16/0x31 [ 666.881212][ C1] ? pid_task+0x27/0xa0 [ 666.881231][ C1] ? _raw_spin_lock_irqsave+0x9a/0x210 [ 666.881249][ C1] ? _raw_spin_lock_irqsave+0x9a/0x210 [ 666.881267][ C1] ? _raw_spin_lock_irqsave+0x9a/0x210 [ 666.881286][ C1] [ 666.881290][ C1] [ 666.881295][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 666.881313][ C1] ? __kasan_check_write+0x14/0x20 [ 666.881333][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 666.881352][ C1] send_sigqueue+0xe2/0x650 [ 666.881367][ C1] ? __kasan_check_write+0x14/0x20 [ 666.881387][ C1] posix_timer_fn+0x180/0x3a0 [ 666.881405][ C1] ? common_timer_wait_running+0x10/0x10 [ 666.881424][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 666.881446][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 666.881464][ C1] ? try_to_wake_up+0x670/0x1220 [ 666.881482][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 666.881497][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 666.881520][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 666.881541][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 666.881557][ C1] [ 666.881561][ C1] [ 666.881565][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 666.881586][ C1] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 666.881605][ C1] Code: 3c 08 00 74 0c 48 c7 c7 e0 ef cd 86 e8 51 97 bc fc 48 83 3d d9 36 ce 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 c3 9e 4f fc 65 8b 05 a4 b4 02 7b 85 c0 74 03 5b 5d c3 e8 c4 c6 [ 666.881616][ C1] RSP: 0018:ffffc90002067b48 EFLAGS: 00000246 [ 666.881633][ C1] RAX: 0000000000000001 RBX: ffff88811c052bc0 RCX: dffffc0000000000 [ 666.881643][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 666.881652][ C1] RBP: ffffc90002067b50 R08: ffffffff81486a6f R09: fffff5200040cfc0 [ 666.881662][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811c052fe0 [ 666.881672][ C1] R13: 1ffff1102380a5fc R14: 0000000000000021 R15: dffffc0000000000 [ 666.881684][ C1] ? get_signal+0x12af/0x1820 [ 666.881700][ C1] ? _raw_spin_unlock_irq+0x41/0x70 [ 666.881718][ C1] get_signal+0x14e6/0x1820 [ 666.881735][ C1] ? ptrace_notify+0x350/0x350 [ 666.881749][ C1] ? __kasan_check_write+0x14/0x20 [ 666.881770][ C1] arch_do_signal_or_restart+0xb0/0x16f0 [ 666.881789][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 666.881808][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 666.881828][ C1] ? do_sigaltstack+0x3f9/0x630 [ 666.881846][ C1] ? get_sigframe_size+0x10/0x10 [ 666.881863][ C1] ? restore_altstack+0x107/0x150 [ 666.881880][ C1] ? __ia32_sys_sigaltstack+0x260/0x260 [ 666.881897][ C1] ? sched_clock_cpu+0x71/0x2b0 [ 666.881913][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 666.881932][ C1] exit_to_user_mode_loop+0x74/0xa0 [ 666.881949][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 666.881966][ C1] syscall_exit_to_user_mode+0x26/0x140 [ 666.881982][ C1] do_syscall_64+0x49/0xb0 [ 666.881995][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 666.882011][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 666.882031][ C1] RIP: 0033:0x7feba77b2417 [ 666.882043][ C1] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 [ 666.882053][ C1] RSP: 002b:00007feba7773238 EFLAGS: 00000246 [ 666.882065][ C1] RAX: 00000000000000ca RBX: 00007feba783c308 RCX: 00007feba77b2419 [ 666.882075][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007feba783c308 [ 666.882084][ C1] RBP: 00007feba783c300 R08: 00007feba77736c0 R09: 00007feba77736c0 [ 666.882094][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feba783c30c [ 666.882104][ C1] R13: 0000000000000003 R14: 00007ffeda033fb0 R15: 00007ffeda034098 [ 666.882117][ C1] [ 666.882123][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.298 msecs [ 858.916681][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 290s! [ 858.925414][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 291s! [ 858.934106][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 285s! [ 858.942957][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 291s! [ 858.951202][ C0] Showing busy workqueues and worker pools: [ 858.956929][ C0] workqueue events: flags=0x0 [ 858.961444][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.961481][ C0] pending: psi_avgs_work [ 858.961514][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.961547][ C0] pending: vmstat_shepherd [ 858.961576][ C0] workqueue events_unbound: flags=0x2 [ 858.990715][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 858.990750][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 858.990795][ C0] workqueue events_power_efficient: flags=0x80 [ 859.011104][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 859.011141][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, gc_worker [ 859.011239][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 859.011272][ C0] pending: check_lifetime [ 859.011301][ C0] workqueue mm_percpu_wq: flags=0x8 [ 859.046944][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 859.046983][ C0] pending: vmstat_update [ 859.047013][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 859.047046][ C0] pending: vmstat_update [ 859.047075][ C0] workqueue kblockd: flags=0x18 [ 859.075504][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 859.075542][ C0] pending: blk_mq_timeout_work [ 859.075723][ C0] workqueue dm_bufio_cache: flags=0x8 [ 859.093484][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 859.093531][ C0] pending: work_fn [ 859.093619][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 859.110455][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 859.110499][ C0] pending: addrconf_verify_work