Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 174.201767][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 174.208823][ C0] (detected by 0, t=10502 jiffies, g=5829, q=23)
[ 174.215255][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954545-4294944043), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 174.228659][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g5829 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 174.239807][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 174.249818][ C0] rcu: RCU grace-period kthread stack dump:
[ 174.255728][ C0] task:rcu_preempt state:R running task stack:27440 pid: 15 ppid: 2 flags:0x00004000
[ 174.266541][ C0] Call Trace:
[ 174.269835][ C0]
[ 174.272790][ C0] __schedule+0x11c3/0x4350
[ 174.277375][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 174.282600][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 174.288516][ C0] ? _raw_spin_unlock+0x40/0x40
[ 174.293403][ C0] ? rcu_is_watching+0x11/0xa0
[ 174.298189][ C0] ? release_firmware_map_entry+0x190/0x190
[ 174.304126][ C0] schedule+0x11b/0x1e0
[ 174.308315][ C0] schedule_timeout+0x184/0x2d0
[ 174.313189][ C0] ? console_conditional_schedule+0x40/0x40
[ 174.319123][ C0] ? update_process_times+0x200/0x200
[ 174.324532][ C0] ? prepare_to_swait_event+0x33d/0x360
[ 174.330119][ C0] rcu_gp_fqs_loop+0x2be/0x11f0
[ 174.334999][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 174.340235][ C0] ? rcu_gp_init+0xd72/0x10f0
[ 174.344941][ C0] ? rcu_gp_init+0x10f0/0x10f0
[ 174.349734][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 174.354968][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 174.360206][ C0] rcu_gp_kthread+0x9a/0x370
[ 174.364829][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 174.370114][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 174.376064][ C0] ? __kthread_parkme+0x14e/0x1b0
[ 174.381121][ C0] kthread+0x42e/0x520
[ 174.385212][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 174.390360][ C0] ? kthread_blkcg+0xd0/0xd0
[ 174.394984][ C0] ret_from_fork+0x1f/0x30
[ 174.399446][ C0]
[ 174.402508][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 174.408848][ C0] NMI backtrace for cpu 0
[ 174.413212][ C0] CPU: 0 PID: 4199 Comm: syz-executor152 Not tainted syzkaller #0
[ 174.421041][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 174.431113][ C0] Call Trace:
[ 174.434405][ C0]
[ 174.437268][ C0] dump_stack_lvl+0x188/0x250
[ 174.442072][ C0] ? show_regs_print_info+0x20/0x20
[ 174.447303][ C0] ? load_image+0x410/0x410
[ 174.451846][ C0] ? irq_work_queue+0xbf/0x140
[ 174.456639][ C0] nmi_cpu_backtrace+0x3a2/0x3d0
[ 174.461615][ C0] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 174.467789][ C0] ? _printk+0xda/0x130
[ 174.471970][ C0] ? cpu_online+0x1d/0x30
[ 174.476328][ C0] ? load_image+0x410/0x410
[ 174.480870][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 174.486974][ C0] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 174.492983][ C0] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 174.499165][ C0] print_other_cpu_stall+0x1110/0x1270
[ 174.504669][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 174.509638][ C0] ? rcu_qs+0xd0/0x170
[ 174.513725][ C0] ? rcu_softirq_qs+0x290/0x290
[ 174.518599][ C0] rcu_sched_clock_irq+0x845/0x1120
[ 174.523825][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 174.528718][ C0] ? hrtimer_run_queues+0x162/0x400
[ 174.533946][ C0] ? account_process_tick+0x22a/0x3a0
[ 174.539338][ C0] update_process_times+0x193/0x200
[ 174.544561][ C0] tick_sched_timer+0x37d/0x560
[ 174.549455][ C0] ? tick_setup_sched_timer+0x2b0/0x2b0
[ 174.555029][ C0] __hrtimer_run_queues+0x4b0/0xb60
[ 174.560254][ C0] ? ktime_get_update_offsets_now+0x95/0x3e0
[ 174.566269][ C0] ? hrtimer_interrupt+0x8b0/0x8b0
[ 174.571406][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 174.577512][ C0] hrtimer_interrupt+0x397/0x8b0
[ 174.582497][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 174.588517][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 174.594192][ C0]
[ 174.597145][ C0]
[ 174.600105][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 174.606132][ C0] RIP: 0010:lock_acquire+0x208/0x400
[ 174.611455][ C0] Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
[ 174.631079][ C0] RSP: 0018:ffffc900022c7b00 EFLAGS: 00000206
[ 174.637167][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 53839d11bf8f9300
[ 174.645166][ C0] RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a48c0
[ 174.653156][ C0] RBP: ffffc900022c7c20 R08: dffffc0000000000 R09: 1ffffffff203e21e
[ 174.661149][ C0] R10: dffffc0000000000 R11: fffffbfff203e21f R12: ffff8880193fc728
[ 174.669140][ C0] R13: 1ffff92000458f6c R14: 0000000000000246 R15: dffffc0000000000
[ 174.677158][ C0] ? copy_fpstate_to_sigframe+0x9c9/0xba0
[ 174.682914][ C0] ? read_lock_is_recursive+0x10/0x10
[ 174.688315][ C0] ? fpregs_set+0x5d0/0x5d0
[ 174.692849][ C0] ? _raw_spin_unlock_irq+0x2a/0x40
[ 174.698079][ C0] __might_fault+0xb3/0x110
[ 174.702621][ C0] ? __might_fault+0x90/0x110
[ 174.707321][ C0] _copy_to_user+0x29/0x130
[ 174.711851][ C0] copy_siginfo_to_user+0x20/0x80
[ 174.716902][ C0] arch_do_signal_or_restart+0xcf9/0x12a0
[ 174.722667][ C0] ? get_sigframe_size+0x10/0x10
[ 174.727655][ C0] ? exit_to_user_mode_loop+0x3b/0x130
[ 174.733139][ C0] exit_to_user_mode_loop+0x9e/0x130
[ 174.738450][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 174.744014][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 174.749499][ C0] do_syscall_64+0x58/0xa0
[ 174.753942][ C0] ? clear_bhb_loop+0x30/0x80
[ 174.758676][ C0] ? clear_bhb_loop+0x30/0x80
[ 174.763395][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 174.769341][ C0] RIP: 0033:0x7f4f53903d07
[ 174.773774][ C0] Code: 00 85 c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89
[ 174.793396][ C0] RSP: 002b:00007f4f538e2178 EFLAGS: 00000246
[ 174.799484][ C0] RAX: 00000000000000ca RBX: 00007f4f539b4b28 RCX: 00007f4f53903d09
[ 174.807503][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f539b4b28
[ 174.815490][ C0] RBP: 00007f4f539b4b20 R08: 00007f4f538e2cdc R09: 00007f4f538e2cdc
[ 174.823486][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f539b4b2c
[ 174.831475][ C0] R13: 0000000000000000 R14: 00007ffdfdec99f0 R15: 00007ffdfdec9ad8
[ 174.839484][ C0]