Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 192.814024][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 192.821264][ C1] rcu: (detected by 1, t=10502 jiffies, g=9053, q=54 ncpus=2)
[ 192.828935][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294956354-4294945851), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 192.842359][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g9053 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 192.854923][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 192.864975][ C1] rcu: RCU grace-period kthread stack dump:
[ 192.870906][ C1] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000
[ 192.881770][ C1] Call Trace:
[ 192.885126][ C1]
[ 192.888118][ C1] __schedule+0x14d2/0x44d0
[ 192.892722][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 192.898665][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 192.903919][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 192.909892][ C1] ? asan.module_dtor+0x20/0x20
[ 192.914804][ C1] ? enqueue_timer+0x225/0x530
[ 192.919636][ C1] ? __mod_timer+0x984/0xdb0
[ 192.924378][ C1] schedule+0xbd/0x170
[ 192.928596][ C1] schedule_timeout+0x160/0x280
[ 192.933591][ C1] ? console_conditional_schedule+0x40/0x40
[ 192.939535][ C1] ? update_process_times+0x1b0/0x1b0
[ 192.945058][ C1] ? prepare_to_swait_event+0x339/0x360
[ 192.950747][ C1] rcu_gp_fqs_loop+0x302/0x1560
[ 192.955676][ C1] ? rcu_gp_init+0x110e/0x1510
[ 192.960543][ C1] ? rcu_gp_kthread+0x380/0x380
[ 192.965541][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 192.971597][ C1] ? rcu_gp_init+0x1510/0x1510
[ 192.976594][ C1] ? rcu_gp_cleanup+0xb4c/0xca0
[ 192.981606][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 192.986860][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 192.992111][ C1] rcu_gp_kthread+0x99/0x380
[ 192.996851][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 193.002196][ C1] ? __kthread_parkme+0x7a/0x1c0
[ 193.007193][ C1] ? __kthread_parkme+0x162/0x1c0
[ 193.012283][ C1] kthread+0x2fa/0x390
[ 193.016403][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 193.021594][ C1] ? kthread_blkcg+0xd0/0xd0
[ 193.026325][ C1] ret_from_fork+0x48/0x80
[ 193.030879][ C1] ? kthread_blkcg+0xd0/0xd0
[ 193.035626][ C1] ret_from_fork_asm+0x11/0x20
[ 193.040465][ C1]
[ 193.043534][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 193.049995][ C1] CPU: 1 PID: 5798 Comm: syz-executor388 Not tainted syzkaller #0
[ 193.057837][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 193.068033][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
[ 193.074065][ C1] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 0a 04 ef f6 48 89 df e8 22 d6 ef f6 e8 3d 7c 13 f7 fb bf 01 00 00 00 62 f8 e2 f6 65 8b 05 53 41 8b 75 85 c0 74 02 5b c3 e8 70 25 88
[ 193.093902][ C1] RSP: 0018:ffffc90004307c78 EFLAGS: 00000286
[ 193.100020][ C1] RAX: 22d261513d441300 RBX: ffff88802deddc80 RCX: 22d261513d441300
[ 193.108136][ C1] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001
[ 193.116240][ C1] RBP: ffff88802dede118 R08: ffffffff8e4a8d6f R09: 1ffffffff1c951ad
[ 193.124348][ C1] R10: dffffc0000000000 R11: fffffbfff1c951ae R12: 1ffff11005bdbc23
[ 193.132452][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000
[ 193.140502][ C1] FS: 00007f19a09ef6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 193.149485][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 193.156319][ C1] CR2: 0000200000000058 CR3: 000000001dbe8000 CR4: 00000000003506e0
[ 193.164424][ C1] Call Trace:
[ 193.167743][ C1]
[ 193.170714][ C1] get_signal+0x11f5/0x1400
[ 193.175397][ C1] arch_do_signal_or_restart+0x9c/0x7b0
[ 193.181089][ C1] ? get_sigframe_size+0x20/0x20
[ 193.186192][ C1] ? exit_to_user_mode_loop+0x3b/0x110
[ 193.191811][ C1] exit_to_user_mode_loop+0x70/0x110
[ 193.197156][ C1] exit_to_user_mode_prepare+0xf6/0x180
[ 193.202764][ C1] syscall_exit_to_user_mode+0x1a/0x50
[ 193.208278][ C1] do_syscall_64+0x61/0xb0
[ 193.212745][ C1] ? clear_bhb_loop+0x40/0x90
[ 193.217475][ C1] ? clear_bhb_loop+0x40/0x90
[ 193.222283][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 193.228278][ C1] RIP: 0033:0x7f19a0a36dc7
[ 193.232786][ C1] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 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
[ 193.252977][ C1] RSP: 002b:00007f19a09ef178 EFLAGS: 00000246
[ 193.259639][ C1] RAX: 00000000000000ca RBX: 00007f19a0ab9308 RCX: 00007f19a0a36dc9
[ 193.267953][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f19a0ab9308
[ 193.276144][ C1] RBP: 00007f19a0ab9300 R08: 00007f19a09ef6c0 R09: 00007f19a09ef6c0
[ 193.284195][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19a0ab930c
[ 193.292586][ C1] R13: 0000000000000000 R14: 00007ffc358789f0 R15: 00007ffc35878ad8
[ 193.300717][ C1]