Warning: Permanently added '10.128.0.210' (ED25519) to the list of known hosts.
[ 106.164220][ T5838] cgroup: Unknown subsys name 'net'
[ 106.310327][ T5838] cgroup: Unknown subsys name 'cpuset'
[ 106.319271][ T5838] cgroup: Unknown subsys name 'rlimit'
[ 106.896035][ T5847] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
executing program
executing program
executing program
executing program
executing program
[ 156.006651][ T0] NOHZ tick-stop error: local softirq work is pending, handler #08!!!
[ 216.926563][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 216.933632][ C0] rcu: (detected by 0, t=10502 jiffies, g=8637, q=59 ncpus=2)
[ 216.941180][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294958805-4294948303), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 216.954553][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g8637 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 216.965663][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 216.975631][ C0] rcu: RCU grace-period kthread stack dump:
[ 216.981520][ C0] task:rcu_preempt state:R running task stack:27728 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
[ 216.995124][ C0] Call Trace:
[ 216.998402][ C0]
[ 217.001334][ C0] __schedule+0x150e/0x5070
[ 217.005985][ C0] ? lockdep_hardirqs_on+0x98/0x140
[ 217.011317][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 217.017312][ C0] ? __pfx___schedule+0x10/0x10
[ 217.022273][ C0] ? schedule+0x91/0x360
[ 217.026561][ C0] schedule+0x165/0x360
[ 217.030748][ C0] schedule_timeout+0x12b/0x270
[ 217.035617][ C0] ? __pfx_schedule_timeout+0x10/0x10
[ 217.041007][ C0] ? __pfx_process_timeout+0x10/0x10
[ 217.046312][ C0] ? prepare_to_swait_event+0x341/0x380
[ 217.051870][ C0] rcu_gp_fqs_loop+0x301/0x1540
[ 217.056739][ C0] ? __pfx_rcu_gp_init+0x10/0x10
[ 217.061684][ C0] ? lockdep_hardirqs_on+0x98/0x140
[ 217.066896][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 217.072181][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 217.077386][ C0] ? finish_swait+0xcd/0x1f0
[ 217.081983][ C0] rcu_gp_kthread+0x99/0x390
[ 217.086582][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 217.091783][ C0] ? __kthread_parkme+0x7b/0x200
[ 217.096752][ C0] ? __kthread_parkme+0x1a1/0x200
[ 217.101809][ C0] kthread+0x711/0x8a0
[ 217.105910][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 217.111117][ C0] ? __pfx_kthread+0x10/0x10
[ 217.115805][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 217.121012][ C0] ? lockdep_hardirqs_on+0x98/0x140
[ 217.126213][ C0] ? __pfx_kthread+0x10/0x10
[ 217.130806][ C0] ret_from_fork+0x599/0xb30
[ 217.135399][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 217.140521][ C0] ? __switch_to_asm+0x39/0x70
[ 217.145287][ C0] ? __switch_to_asm+0x33/0x70
[ 217.150056][ C0] ? __pfx_kthread+0x10/0x10
[ 217.154659][ C0] ret_from_fork_asm+0x1a/0x30
[ 217.159443][ C0]
[ 217.162479][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 217.168800][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 217.174006][ C1] NMI backtrace for cpu 1
[ 217.174030][ C1] CPU: 1 UID: 0 PID: 5857 Comm: iou-sqp-5855 Not tainted syzkaller #0 PREEMPT(full)
[ 217.174047][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.174057][ C1] RIP: 0010:io_sq_thread+0x11b7/0x2020
[ 217.174078][ C1] Code: 00 49 c1 ef 04 4c 2b bc 24 c0 00 00 00 4c 01 39 eb 18 e8 6c ab 39 fd f6 84 24 80 00 00 00 01 0f 85 5e ff ff ff e8 59 ab 39 fd <45> 85 f6 41 0f 95 c7 48 8b 84 24 d8 00 00 00 42 80 3c 20 00 74 0c
[ 217.174091][ C1] RSP: 0018:ffffc900042ffa80 EFLAGS: 00000293
[ 217.174105][ C1] RAX: ffffffff84880d07 RBX: ffff888030cef898 RCX: ffff888034ff5b80
[ 217.174117][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 217.174126][ C1] RBP: ffffc900042ffe30 R08: ffffffff8fa22f77 R09: 1ffffffff1f445ee
[ 217.174137][ C1] R10: dffffc0000000000 R11: fffffbfff1f445ef R12: dffffc0000000000
[ 217.174148][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888030cef898
[ 217.174158][ C1] FS: 000055557536f380(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000
[ 217.174170][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 217.174181][ C1] CR2: 00007f5ed101d6c8 CR3: 000000007d4ca000 CR4: 00000000003526f0
[ 217.174194][ C1] Call Trace:
[ 217.174201][ C1]
[ 217.174220][ C1] ? __pfx_io_sq_thread+0x10/0x10
[ 217.174248][ C1] ? do_raw_spin_lock+0x121/0x290
[ 217.174271][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 217.174298][ C1] ? __pfx_autoremove_wake_function+0x10/0x10
[ 217.174322][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 217.174341][ C1] ? lockdep_hardirqs_on+0x98/0x140
[ 217.174360][ C1] ? __pfx_io_sq_thread+0x10/0x10
[ 217.174377][ C1] ret_from_fork+0x599/0xb30
[ 217.174394][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 217.174413][ C1] ? __switch_to_asm+0x39/0x70
[ 217.174432][ C1] ? __switch_to_asm+0x33/0x70
[ 217.174452][ C1] ? __pfx_io_sq_thread+0x10/0x10
[ 217.174469][ C1] ret_from_fork_asm+0x1a/0x30
[ 217.174502][ C1]