Warning: Permanently added '10.128.0.10' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
syzkaller login: [ 184.740029][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 184.747166][ C1] (detected by 1, t=10502 jiffies, g=7925, q=108 ncpus=2)
[ 184.754494][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955577-4294945075), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 184.768001][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7925 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 184.779153][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 184.789255][ C1] rcu: RCU grace-period kthread stack dump:
[ 184.795402][ C1] task:rcu_preempt state:R running task stack:26864 pid:16 ppid:2 flags:0x00004000
[ 184.806347][ C1] Call Trace:
[ 184.809764][ C1]
[ 184.812778][ C1] __schedule+0x11d1/0x40e0
[ 184.817605][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 184.823550][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 184.829594][ C1] ? __sched_text_start+0x8/0x8
[ 184.834497][ C1] ? __mod_timer+0x91e/0xd00
[ 184.839140][ C1] schedule+0xb9/0x180
[ 184.843293][ C1] schedule_timeout+0x184/0x2d0
[ 184.848183][ C1] ? console_conditional_schedule+0x40/0x40
[ 184.854120][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 184.860280][ C1] ? update_process_times+0x1b0/0x1b0
[ 184.865708][ C1] ? prepare_to_swait_event+0x335/0x350
[ 184.871344][ C1] rcu_gp_fqs_loop+0x303/0x1340
[ 184.876304][ C1] ? rcu_gp_kthread+0x3b0/0x3b0
[ 184.881216][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 184.887254][ C1] ? rcu_gp_init+0x14e0/0x14e0
[ 184.892236][ C1] ? rcu_gp_cleanup+0xb41/0xc90
[ 184.897138][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 184.902450][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 184.907715][ C1] rcu_gp_kthread+0x99/0x3b0
[ 184.912379][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 184.917552][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 184.923516][ C1] ? __kthread_parkme+0x162/0x1c0
[ 184.928657][ C1] kthread+0x29d/0x330
[ 184.932892][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 184.938053][ C1] ? kthread_blkcg+0xd0/0xd0
[ 184.942699][ C1] ret_from_fork+0x1f/0x30
[ 184.947214][ C1]
[ 184.950292][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 184.956840][ C1] CPU: 1 PID: 4275 Comm: syz-executor678 Not tainted syzkaller #0
[ 184.964693][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 184.974789][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 184.980734][ C1] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be e0 2c f7 48 89 df e8 06 a9 2d f7 e8 11 ff 50 f7 fb bf 01 00 00 00 56 0d 21 f7 65 8b 05 a7 90 ca 75 85 c0 74 02 5b c3 e8 f4 a4 c8
[ 185.000662][ C1] RSP: 0018:ffffc90003e07b98 EFLAGS: 00000282
[ 185.006776][ C1] RAX: e27db59bd2c01600 RBX: ffff88802e58a500 RCX: e27db59bd2c01600
[ 185.014882][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c10a0 RDI: 0000000000000001
[ 185.023222][ C1] RBP: ffff88802e58a998 R08: ffff88802e58a503 R09: 1ffff11005cb14a0
[ 185.031248][ C1] R10: dffffc0000000000 R11: ffffed1005cb14a1 R12: 1ffff11005cb1533
[ 185.039360][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000
[ 185.047384][ C1] FS: 00007f17236df6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 185.056531][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 185.063251][ C1] CR2: 0000200000000058 CR3: 0000000028280000 CR4: 00000000003506e0
[ 185.071272][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 185.079280][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 185.087645][ C1] Call Trace:
[ 185.090966][ C1]
[ 185.093947][ C1] get_signal+0x1163/0x1350
[ 185.098553][ C1] arch_do_signal_or_restart+0xc4/0x1350
[ 185.104346][ C1] ? __ia32_sys_rt_sigreturn+0x619/0x760
[ 185.110055][ C1] ? load_gs_index+0x130/0x130
[ 185.114987][ C1] ? get_sigframe_size+0x10/0x10
[ 185.120340][ C1] ? exit_to_user_mode_loop+0x3b/0x110
[ 185.125859][ C1] exit_to_user_mode_loop+0x70/0x110
[ 185.131204][ C1] exit_to_user_mode_prepare+0xee/0x180
[ 185.136840][ C1] syscall_exit_to_user_mode+0x16/0x40
[ 185.142345][ C1] do_syscall_64+0x58/0xa0
[ 185.146813][ C1] ? clear_bhb_loop+0x60/0xb0
[ 185.151630][ C1] ? clear_bhb_loop+0x60/0xb0
[ 185.156453][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.162398][ C1] RIP: 0033:0x7f1723700517
[ 185.166871][ 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
[ 185.186788][ C1] RSP: 002b:00007f17236df178 EFLAGS: 00000246
[ 185.192901][ C1] RAX: 00000000000000ca RBX: 00007f17237afb28 RCX: 00007f1723700519
[ 185.200934][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f17237afb28
[ 185.208963][ C1] RBP: 00007f17237afb20 R08: 00007f17236dfcdc R09: 00007f17236dfcdc
[ 185.216975][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17237afb2c
[ 185.224982][ C1] R13: 0000000000000000 R14: 00007fff3a948d70 R15: 00007fff3a948e58
[ 185.233009][ C1]