Warning: Permanently added '10.128.0.31' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
[ 206.645843][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 206.652962][ C0] (detected by 0, t=10502 jiffies, g=8381, q=61 ncpus=2)
[ 206.660118][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294957785-4294947283), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 206.673538][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g8381 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 206.684767][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 206.694768][ C0] rcu: RCU grace-period kthread stack dump:
[ 206.700692][ C0] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000
[ 206.711535][ C0] Call Trace:
[ 206.714846][ C0]
[ 206.717813][ C0] __schedule+0x107f/0x4030
[ 206.722396][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 206.727651][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 206.733592][ C0] ? _raw_spin_unlock+0x40/0x40
[ 206.738493][ C0] ? __sched_text_start+0x8/0x8
[ 206.743391][ C0] schedule+0xb9/0x180
[ 206.747499][ C0] schedule_timeout+0x184/0x2d0
[ 206.752398][ C0] ? console_conditional_schedule+0x40/0x40
[ 206.758334][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 206.764377][ C0] ? update_process_times+0x1b0/0x1b0
[ 206.769794][ C0] ? prepare_to_swait_event+0x340/0x360
[ 206.775388][ C0] rcu_gp_fqs_loop+0x303/0x1350
[ 206.780299][ C0] ? rcu_gp_kthread+0x3b0/0x3b0
[ 206.785194][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 206.791216][ C0] ? __lock_acquire+0x7bd0/0x7bd0
[ 206.796305][ C0] ? rcu_gp_init+0x14f0/0x14f0
[ 206.801103][ C0] ? rcu_gp_cleanup+0xade/0xc30
[ 206.805999][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 206.811247][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 206.816571][ C0] rcu_gp_kthread+0x99/0x3b0
[ 206.821213][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 206.826383][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 206.832329][ C0] ? __kthread_parkme+0x71/0x1c0
[ 206.837328][ C0] ? __kthread_parkme+0x15b/0x1c0
[ 206.842412][ C0] kthread+0x29d/0x330
[ 206.846518][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 206.851679][ C0] ? kthread_blkcg+0xd0/0xd0
[ 206.856320][ C0] ret_from_fork+0x1f/0x30
[ 206.860798][ C0]
[ 206.863862][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 206.870220][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 206.875477][ C1] NMI backtrace for cpu 1
[ 206.875497][ C1] CPU: 1 PID: 4303 Comm: syz-executor203 Not tainted syzkaller #0
[ 206.875514][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 206.875527][ C1] RIP: 0010:native_apic_msr_write+0x35/0x50
[ 206.875553][ C1] Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 ff 50 00 03 66 2e 0f 1f 84 00 00 00 00 00
[ 206.875567][ C1] RSP: 0018:ffffc900001e0e60 EFLAGS: 00000046
[ 206.875581][ C1] RAX: 000000000000544a RBX: 000000000000544a RCX: 0000000000000838
[ 206.875592][ C1] RDX: 0000000000000000 RSI: 000000000000544a RDI: 0000000000000838
[ 206.875603][ C1] RBP: 0000000000000000 R08: ffffffff8e200f6f R09: 1ffffffff1c401ed
[ 206.875615][ C1] R10: dffffc0000000000 R11: fffffbfff1c401ee R12: dffffc0000000000
[ 206.875628][ C1] R13: 0000000010005c46 R14: ffffffff8c651b40 R15: dffffc0000000000
[ 206.875640][ C1] FS: 00007fcb42b4c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 206.875655][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 206.875667][ C1] CR2: 0000200000000058 CR3: 000000002859c000 CR4: 00000000003506e0
[ 206.875682][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 206.875691][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 206.875702][ C1] Call Trace:
[ 206.875708][ C1]
[ 206.875713][ C1] lapic_next_event+0x5b/0x70
[ 206.875739][ C1] clockevents_program_event+0x1bc/0x310
[ 206.875764][ C1] hrtimer_interrupt+0x561/0x980
[ 206.875803][ C1] __sysvec_apic_timer_interrupt+0x153/0x5a0
[ 206.875830][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 206.875853][ C1]
[ 206.875857][ C1]
[ 206.875862][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 206.875890][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 206.875914][ C1] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 0e 82 2f f7 48 89 df e8 76 49 30 f7 e8 01 95 53 f7 fb bf 01 00 00 00 66 cb 23 f7 65 8b 05 67 7c cd 75 85 c0 74 02 5b c3 e8 74 90 cb
[ 206.875927][ C1] RSP: 0018:ffffc90003d67b98 EFLAGS: 00000282
[ 206.875939][ C1] RAX: 78b266f44ce36500 RBX: ffff8880791f9bc0 RCX: 78b266f44ce36500
[ 206.875952][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000000001
[ 206.875964][ C1] RBP: 0000000000000000 R08: ffff8880791f9bc3 R09: 1ffff1100f23f378
[ 206.875975][ C1] R10: dffffc0000000000 R11: ffffed100f23f379 R12: 0000000000000021
[ 206.875987][ C1] R13: ffff8880791fa058 R14: dffffc0000000000 R15: 000000001c000004
[ 206.876007][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 206.876029][ C1] get_signal+0x114a/0x1340
[ 206.876065][ C1] arch_do_signal_or_restart+0xc4/0x1310
[ 206.876090][ C1] ? __ia32_sys_rt_sigreturn+0x624/0x750
[ 206.876115][ C1] ? load_gs_index+0x130/0x130
[ 206.876135][ C1] ? get_sigframe_size+0x10/0x10
[ 206.876166][ C1] ? exit_to_user_mode_loop+0x3b/0x110
[ 206.876193][ C1] exit_to_user_mode_loop+0x70/0x110
[ 206.876218][ C1] exit_to_user_mode_prepare+0xee/0x180
[ 206.876251][ C1] syscall_exit_to_user_mode+0x16/0x40
[ 206.876274][ C1] do_syscall_64+0x58/0xa0
[ 206.876292][ C1] ? clear_bhb_loop+0x60/0xb0
[ 206.876307][ C1] ? clear_bhb_loop+0x60/0xb0
[ 206.876323][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 206.876349][ C1] RIP: 0033:0x7fcb42b6d517
[ 206.876366][ C1] 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
[ 206.876379][ C1] RSP: 002b:00007fcb42b4c178 EFLAGS: 00000246
[ 206.876391][ C1] RAX: 00000000000000ca RBX: 00007fcb42c1cb28 RCX: 00007fcb42b6d519
[ 206.876402][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcb42c1cb28
[ 206.876413][ C1] RBP: 00007fcb42c1cb20 R08: 00007fcb42b4ccdc R09: 00007fcb42b4ccdc
[ 206.876425][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb42c1cb2c
[ 206.876435][ C1] R13: 0000000000000000 R14: 00007ffd624d4a90 R15: 00007ffd624d4b78
[ 206.876454][ C1]