Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts.
executing program
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executing program
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[ 179.785943][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 179.793078][ C1] (detected by 1, t=10502 jiffies, g=7217, q=157 ncpus=2)
[ 179.800306][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955099-4294944597), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 179.813710][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7217 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 179.824854][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 179.834841][ C1] rcu: RCU grace-period kthread stack dump:
[ 179.840764][ C1] task:rcu_preempt state:R running task stack:26992 pid:16 ppid:2 flags:0x00004000
[ 179.851585][ C1] Call Trace:
[ 179.854885][ C1]
[ 179.857849][ C1] __schedule+0x11d1/0x40e0
[ 179.862404][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 179.868326][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 179.874254][ C1] ? __sched_text_start+0x8/0x8
[ 179.879133][ C1] ? __mod_timer+0x91e/0xd00
[ 179.883762][ C1] schedule+0xb9/0x180
[ 179.887851][ C1] schedule_timeout+0x184/0x2d0
[ 179.892729][ C1] ? console_conditional_schedule+0x40/0x40
[ 179.898757][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 179.904867][ C1] ? update_process_times+0x1b0/0x1b0
[ 179.910275][ C1] ? prepare_to_swait_event+0x335/0x350
[ 179.915853][ C1] rcu_gp_fqs_loop+0x303/0x1340
[ 179.920736][ C1] ? rcu_gp_kthread+0x3b0/0x3b0
[ 179.925611][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 179.931627][ C1] ? rcu_gp_init+0x14e0/0x14e0
[ 179.936413][ C1] ? rcu_gp_cleanup+0xb41/0xc90
[ 179.941299][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 179.946522][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 179.951748][ C1] rcu_gp_kthread+0x99/0x3b0
[ 179.956363][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 179.961503][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 179.967429][ C1] ? __kthread_parkme+0x162/0x1c0
[ 179.972494][ C1] kthread+0x29d/0x330
[ 179.976604][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 179.981754][ C1] ? kthread_blkcg+0xd0/0xd0
[ 179.986369][ C1] ret_from_fork+0x1f/0x30
[ 179.990824][ C1]
[ 179.993878][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 180.000234][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 180.005483][ C0] NMI backtrace for cpu 0
[ 180.005504][ C0] CPU: 0 PID: 4292 Comm: syz-executor391 Not tainted syzkaller #0
[ 180.005518][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 180.005526][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80
[ 180.005549][ C0] Code: 28 4d 39 ca 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 05 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 90 <48> 8b 04 24 65 48 8b 0d b4 ef 7f 7e 65 8b 15 b5 ef 7f 7e 81 e2 00
[ 180.005561][ C0] RSP: 0018:ffffc90003db7af8 EFLAGS: 00000046
[ 180.005574][ C0] RAX: 1ffff110060f8041 RBX: ffffc90003db7e00 RCX: 70a1bdb7994e2500
[ 180.005584][ C0] RDX: 00000000ffffffff RSI: 00000000000060d3 RDI: 0000000000000000
[ 180.005593][ C0] RBP: ffff888078ed6310 R08: dffffc0000000000 R09: 1ffffffff215fe61
[ 180.005604][ C0] R10: dffffc0000000000 R11: fffffbfff215fe62 R12: 1ffff1100f1dac63
[ 180.005614][ C0] R13: dffffc0000000000 R14: ffff8880307c0178 R15: 00000000000060d3
[ 180.005624][ C0] FS: 00007f69e7d026c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 180.005636][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 180.005646][ C0] CR2: 000055556c8f1328 CR3: 000000007c083000 CR4: 00000000003506f0
[ 180.005658][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 180.005666][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 180.005674][ C0] Call Trace:
[ 180.005680][ C0]
[ 180.005685][ C0] posixtimer_rearm+0x92/0x340
[ 180.005706][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 180.005723][ C0] dequeue_signal+0x1b6/0x4b0
[ 180.005743][ C0] ? futex_wait+0x4c8/0x5e0
[ 180.005758][ C0] get_signal+0x547/0x1350
[ 180.005787][ C0] arch_do_signal_or_restart+0xc4/0x1350
[ 180.005814][ C0] ? __ia32_sys_rt_sigreturn+0x619/0x760
[ 180.005833][ C0] ? do_futex+0x310/0x320
[ 180.005845][ C0] ? load_gs_index+0x130/0x130
[ 180.005861][ C0] ? get_sigframe_size+0x10/0x10
[ 180.005877][ C0] ? __ia32_sys_get_robust_list+0x100/0x100
[ 180.005901][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 180.005924][ C0] exit_to_user_mode_loop+0x70/0x110
[ 180.005944][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 180.005964][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 180.005983][ C0] do_syscall_64+0x58/0xa0
[ 180.005995][ C0] ? clear_bhb_loop+0x60/0xb0
[ 180.006015][ C0] ? clear_bhb_loop+0x60/0xb0
[ 180.006035][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 180.006054][ C0] RIP: 0033:0x7f69e7d23519
[ 180.006069][ C0] Code: 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 01 48
[ 180.006080][ C0] RSP: 002b:00007f69e7d02178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[ 180.006094][ C0] RAX: fffffffffffffe00 RBX: 00007f69e7dd2b28 RCX: 00007f69e7d23519
[ 180.006103][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f69e7dd2b28
[ 180.006112][ C0] RBP: 00007f69e7dd2b20 R08: 00007f69e7d02cdc R09: 00007f69e7d02cdc
[ 180.006122][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69e7dd2b2c
[ 180.006130][ C0] R13: 0000000000000000 R14: 00007fff34804b50 R15: 00007fff34804c38
[ 180.006146][ C0]