Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
[ 178.823622][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 178.830754][ C0] (detected by 0, t=10502 jiffies, g=7433, q=156 ncpus=2)
[ 178.838003][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955000-4294944497), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 178.851497][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g7433 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 178.862718][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 178.872844][ C0] rcu: RCU grace-period kthread stack dump:
[ 178.879111][ C0] task:rcu_preempt state:R running task stack:27736 pid:16 ppid:2 flags:0x00004000
[ 178.889940][ C0] Call Trace:
[ 178.893248][ C0]
[ 178.896197][ C0] __schedule+0x11d1/0x40e0
[ 178.900937][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 178.906946][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 178.912874][ C0] ? __sched_text_start+0x8/0x8
[ 178.917790][ C0] ? __mod_timer+0x91e/0xd00
[ 178.922590][ C0] schedule+0xb9/0x180
[ 178.926788][ C0] schedule_timeout+0x184/0x2d0
[ 178.931678][ C0] ? console_conditional_schedule+0x40/0x40
[ 178.937684][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 178.943789][ C0] ? update_process_times+0x1b0/0x1b0
[ 178.949191][ C0] ? prepare_to_swait_event+0x335/0x350
[ 178.954771][ C0] rcu_gp_fqs_loop+0x303/0x1340
[ 178.959654][ C0] ? rcu_gp_kthread+0x3b0/0x3b0
[ 178.964525][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 178.970540][ C0] ? rcu_gp_init+0x14e0/0x14e0
[ 178.975326][ C0] ? rcu_gp_cleanup+0xb41/0xc90
[ 178.980200][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 178.985451][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 178.990694][ C0] rcu_gp_kthread+0x99/0x3b0
[ 178.995313][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 179.000456][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 179.006377][ C0] ? __kthread_parkme+0x162/0x1c0
[ 179.011437][ C0] kthread+0x29d/0x330
[ 179.015621][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 179.020785][ C0] ? kthread_blkcg+0xd0/0xd0
[ 179.025614][ C0] ret_from_fork+0x1f/0x30
[ 179.030072][ C0]
[ 179.033133][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 179.039492][ C0] CPU: 0 PID: 4289 Comm: syz-executor392 Not tainted syzkaller #0
[ 179.047334][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 179.057404][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 179.063251][ C0] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8e 52 2b f7 48 89 df e8 d6 1a 2c f7 e8 21 75 4f f7 fb bf 01 00 00 00 26 7f 1f f7 65 8b 05 f7 fe c8 75 85 c0 74 02 5b c3 e8 44 13 c7
[ 179.083502][ C0] RSP: 0018:ffffc90003e27b30 EFLAGS: 00000286
[ 179.089679][ C0] RAX: 748fc5bca91e8d00 RBX: ffff88802ee3ca00 RCX: 748fc5bca91e8d00
[ 179.097673][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c1aa0 RDI: 0000000000000001
[ 179.105684][ C0] RBP: ffffc90003e27c90 R08: ffff88802ee3ca03 R09: 1ffff11005dc7940
[ 179.113716][ C0] R10: dffffc0000000000 R11: ffffed1005dc7941 R12: dffffc0000000000
[ 179.121729][ C0] R13: 0000000100000000 R14: 0000000000000000 R15: 0000000000000020
[ 179.129745][ C0] FS: 00007f29399ea6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 179.138695][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 179.145322][ C0] CR2: 0000555582adc328 CR3: 000000002ad26000 CR4: 00000000003506f0
[ 179.153314][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 179.161310][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 179.169309][ C0] Call Trace:
[ 179.172702][ C0]
[ 179.175734][ C0] signal_setup_done+0x2e6/0x490
[ 179.180699][ C0] ? ptrace_signal+0x7d0/0x7d0
[ 179.185489][ C0] ? __local_bh_enable_ip+0x136/0x1c0
[ 179.190884][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 179.196106][ C0] ? __local_bh_enable_ip+0x136/0x1c0
[ 179.201502][ C0] ? _local_bh_enable+0xa0/0xa0
[ 179.206373][ C0] ? fpregs_activate+0xb0/0x230
[ 179.211237][ C0] ? fpu__clear_user_states+0x36/0x320
[ 179.216717][ C0] ? fpu__clear_user_states+0x1be/0x320
[ 179.222290][ C0] arch_do_signal_or_restart+0xf83/0x1350
[ 179.228054][ C0] ? get_sigframe_size+0x10/0x10
[ 179.233039][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 179.238534][ C0] exit_to_user_mode_loop+0x70/0x110
[ 179.243845][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 179.249424][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 179.254909][ C0] do_syscall_64+0x58/0xa0
[ 179.259544][ C0] ? clear_bhb_loop+0x60/0xb0
[ 179.264300][ C0] ? clear_bhb_loop+0x60/0xb0
[ 179.269013][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 179.275232][ C0] RIP: 0033:0x7f2939a1e190
[ 179.279684][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 2a a4 06 00 e8 85 ae fd ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48
[ 179.299579][ C0] RSP: 002b:00007f29399e9bb8 EFLAGS: 00000246
[ 179.305681][ C0] RAX: 0000000000000000 RBX: 00007f2939abab28 RCX: 00007f2939a0b519
[ 179.313675][ C0] RDX: 00007f29399e9bc0 RSI: 00007f29399e9cf0 RDI: 0000000000000021
[ 179.321667][ C0] RBP: 00007f2939abab20 R08: 00007f29399eacdc R09: 00007f29399eacdc
[ 179.329665][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2939abab2c
[ 179.337659][ C0] R13: 0000000000000000 R14: 00007ffd31d2bcf0 R15: 00007ffd31d2bdd8
[ 179.345664][ C0]