Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts.
executing program
executing program
[ 182.993353][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 183.000462][ C1] rcu: (detected by 1, t=10502 jiffies, g=6777, q=195 ncpus=2)
[ 183.008101][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955393-4294944890), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 183.021484][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g6777 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 183.032597][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 183.042568][ C1] rcu: RCU grace-period kthread stack dump:
[ 183.048469][ C1] task:rcu_preempt state:R running task stack:27408 pid:17 ppid:2 flags:0x00004000
[ 183.059281][ C1] Call Trace:
[ 183.062564][ C1]
[ 183.065511][ C1] __schedule+0x14d2/0x44d0
[ 183.070062][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 183.075969][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 183.081177][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 183.087092][ C1] ? asan.module_dtor+0x20/0x20
[ 183.091960][ C1] ? enqueue_timer+0x4ab/0x530
[ 183.096739][ C1] ? __mod_timer+0x984/0xdb0
[ 183.101352][ C1] schedule+0xbd/0x170
[ 183.105439][ C1] schedule_timeout+0x160/0x280
[ 183.110300][ C1] ? console_conditional_schedule+0x40/0x40
[ 183.116205][ C1] ? update_process_times+0x1b0/0x1b0
[ 183.121597][ C1] ? prepare_to_swait_event+0x339/0x360
[ 183.127155][ C1] rcu_gp_fqs_loop+0x302/0x1560
[ 183.132022][ C1] ? rcu_gp_init+0x110e/0x1510
[ 183.136804][ C1] ? rcu_gp_kthread+0x380/0x380
[ 183.141668][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 183.147662][ C1] ? rcu_gp_init+0x1510/0x1510
[ 183.152437][ C1] ? rcu_gp_cleanup+0xb4c/0xca0
[ 183.157302][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 183.162514][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 183.167722][ C1] rcu_gp_kthread+0x99/0x380
[ 183.172329][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 183.177466][ C1] ? __kthread_parkme+0x7a/0x1c0
[ 183.182415][ C1] ? __kthread_parkme+0x162/0x1c0
[ 183.187455][ C1] kthread+0x2fa/0x390
[ 183.191528][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 183.196654][ C1] ? kthread_blkcg+0xd0/0xd0
[ 183.201249][ C1] ret_from_fork+0x48/0x80
[ 183.205675][ C1] ? kthread_blkcg+0xd0/0xd0
[ 183.210275][ C1] ret_from_fork_asm+0x11/0x20
[ 183.215064][ C1]
[ 183.218114][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 183.224453][ C1] CPU: 1 PID: 5801 Comm: syz-executor371 Not tainted syzkaller #0
[ 183.232261][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 183.242325][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
[ 183.248144][ 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
[ 183.267768][ C1] RSP: 0018:ffffc90004487d20 EFLAGS: 00000282
[ 183.273845][ C1] RAX: 9768ec850822d600 RBX: ffff88802d230000 RCX: 9768ec850822d600
[ 183.281823][ C1] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001
[ 183.289798][ C1] RBP: 0000000000000000 R08: ffffffff8e4a8d6f R09: 1ffffffff1c951ad
[ 183.297773][ C1] R10: dffffc0000000000 R11: fffffbfff1c951ae R12: 0000000000000000
[ 183.305752][ C1] R13: 0000000100000000 R14: ffff88807b2cbc00 R15: 0000000000000020
[ 183.313729][ C1] FS: 00007fd2bbb566c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 183.322663][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.329252][ C1] CR2: 0000200000000058 CR3: 000000007ad10000 CR4: 00000000003506e0
[ 183.337230][ C1] Call Trace:
[ 183.340517][ C1]
[ 183.343451][ C1] signal_setup_done+0x189/0x310
[ 183.348400][ C1] arch_do_signal_or_restart+0x4a6/0x7b0
[ 183.354051][ C1] ? get_sigframe_size+0x20/0x20
[ 183.359023][ C1] ? exit_to_user_mode_loop+0x3b/0x110
[ 183.364500][ C1] exit_to_user_mode_loop+0x70/0x110
[ 183.369807][ C1] exit_to_user_mode_prepare+0xf6/0x180
[ 183.375361][ C1] syscall_exit_to_user_mode+0x1a/0x50
[ 183.380844][ C1] do_syscall_64+0x61/0xb0
[ 183.385268][ C1] ? clear_bhb_loop+0x40/0x90
[ 183.389952][ C1] ? clear_bhb_loop+0x40/0x90
[ 183.394638][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 183.400548][ C1] RIP: 0033:0x7fd2bbbbbd70
[ 183.404980][ C1] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d da 28 03 00 e8 35 12 fb 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
[ 183.424594][ C1] RSP: 002b:00007fd2bbb55bb8 EFLAGS: 00000246
[ 183.430676][ C1] RAX: 0000000000000000 RBX: 00007fd2bbc20308 RCX: 00007fd2bbb960d9
[ 183.438664][ C1] RDX: 00007fd2bbb55bc0 RSI: 00007fd2bbb55cf0 RDI: 0000000000000021
[ 183.446640][ C1] RBP: 00007fd2bbc20300 R08: 00007fd2bbb566c0 R09: 00007fd2bbb566c0
[ 183.454615][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd2bbc2030c
[ 183.462590][ C1] R13: 0000000000000000 R14: 00007fff0d061a10 R15: 00007fff0d061af8
[ 183.470580][ C1]