Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts.
executing program
[ 173.793110][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 173.800209][ C0] (detected by 0, t=10502 jiffies, g=5549, q=102)
[ 173.806739][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10499 (4294954506-4294944007), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 173.820132][ C0] rcu: rcu_preempt kthread starved for 10499 jiffies! g5549 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 173.831279][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 173.841276][ C0] rcu: RCU grace-period kthread stack dump:
[ 173.847287][ C0] task:rcu_preempt state:R running task stack:27464 pid: 15 ppid: 2 flags:0x00004000
[ 173.858116][ C0] Call Trace:
[ 173.861415][ C0]
[ 173.864376][ C0] __schedule+0x11bb/0x4390
[ 173.868944][ C0] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 173.874349][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 173.880265][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 173.886183][ C0] ? _raw_spin_unlock+0x40/0x40
[ 173.891055][ C0] ? rcu_is_watching+0x11/0xa0
[ 173.895844][ C0] ? release_firmware_map_entry+0x190/0x190
[ 173.901779][ C0] schedule+0x11b/0x1e0
[ 173.905966][ C0] schedule_timeout+0x15c/0x280
[ 173.910841][ C0] ? console_conditional_schedule+0x40/0x40
[ 173.916767][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 173.922684][ C0] ? update_process_times+0x200/0x200
[ 173.928091][ C0] ? prepare_to_swait_event+0x331/0x350
[ 173.933672][ C0] rcu_gp_fqs_loop+0x29e/0x11b0
[ 173.938556][ C0] ? dump_blkd_tasks+0x7e0/0x7e0
[ 173.943614][ C0] ? rcu_gp_init+0x10e0/0x10e0
[ 173.948428][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 173.953655][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 173.958887][ C0] rcu_gp_kthread+0x98/0x350
[ 173.963515][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 173.968651][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 173.974571][ C0] ? __kthread_parkme+0x157/0x1b0
[ 173.979627][ C0] kthread+0x436/0x520
[ 173.983717][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 173.988851][ C0] ? kthread_blkcg+0xd0/0xd0
[ 173.993469][ C0] ret_from_fork+0x1f/0x30
[ 173.997933][ C0]
[ 174.001060][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 174.007396][ C0] NMI backtrace for cpu 0
[ 174.011756][ C0] CPU: 0 PID: 4206 Comm: syz-executor144 Not tainted syzkaller #0
[ 174.019582][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 174.029655][ C0] Call Trace:
[ 174.033080][ C0]
[ 174.035942][ C0] dump_stack_lvl+0x168/0x230
[ 174.040655][ C0] ? show_regs_print_info+0x20/0x20
[ 174.045888][ C0] ? load_image+0x3b0/0x3b0
[ 174.050427][ C0] ? irq_work_queue+0xbf/0x140
[ 174.055286][ C0] nmi_cpu_backtrace+0x397/0x3d0
[ 174.060371][ C0] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 174.066561][ C0] ? _printk+0xcc/0x110
[ 174.070744][ C0] ? cpu_online+0x1d/0x30
[ 174.075103][ C0] ? load_image+0x3b0/0x3b0
[ 174.079638][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 174.085734][ C0] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 174.091757][ C0] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 174.097941][ C0] print_other_cpu_stall+0x10c8/0x1220
[ 174.103432][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 174.108397][ C0] ? timekeeping_advance+0x7f6/0xac0
[ 174.113706][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 174.118765][ C0] rcu_sched_clock_irq+0x831/0x1110
[ 174.123997][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 174.129123][ C0] ? account_process_tick+0x227/0x3a0
[ 174.134643][ C0] update_process_times+0x193/0x200
[ 174.139879][ C0] tick_sched_timer+0x37d/0x560
[ 174.144768][ C0] __hrtimer_run_queues+0x4fe/0xc40
[ 174.150007][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 174.155590][ C0] ? hrtimer_interrupt+0x8d0/0x8d0
[ 174.160735][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 174.166835][ C0] hrtimer_interrupt+0x3bb/0x8d0
[ 174.171819][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 174.178006][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 174.183670][ C0]
[ 174.186621][ C0]
[ 174.189572][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 174.195590][ C0] RIP: 0010:copy_fpstate_to_sigframe+0x430/0xb90
[ 174.201949][ C0] Code: 01 bf 43 0f b6 44 25 00 84 c0 0f 85 56 01 00 00 41 ff 06 0f 1f 44 00 00 e8 bd 06 4c 00 4d 89 f5 48 8b 44 24 58 42 80 3c 20 00 <74> 0c 48 c7 c7 60 33 bc 8b e8 72 6e 90 00 4c 8b 25 6b 6f 90 0a be
[ 174.221754][ C0] RSP: 0018:ffffc90002effb20 EFLAGS: 00000246
[ 174.227848][ C0] RAX: 1ffffffff177866c RBX: 00007ffdbb4251c0 RCX: ffff8880729c1dc0
[ 174.235843][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 174.243834][ C0] RBP: ffffc90002effcb0 R08: dffffc0000000000 R09: ffffed100e5383b9
[ 174.251826][ C0] R10: ffffed100e5383b9 R11: 1ffff1100e5383b8 R12: dffffc0000000000
[ 174.259836][ C0] R13: ffff8880729c3548 R14: ffff8880729c3548 R15: ffff8880729c1dc0
[ 174.267877][ C0] ? fpregs_set+0x550/0x550
[ 174.272505][ C0] ? __bpf_trace_rseq_ip_fixup+0x40/0x40
[ 174.278173][ C0] ? fpu__alloc_mathframe+0x77/0x140
[ 174.283505][ C0] arch_do_signal_or_restart+0x67a/0x1300
[ 174.289262][ C0] ? _copy_from_user+0x111/0x170
[ 174.294246][ C0] ? load_gs_index+0x120/0x120
[ 174.299046][ C0] ? get_sigframe_size+0x10/0x10
[ 174.304027][ C0] ? exit_to_user_mode_loop+0x3b/0x130
[ 174.309632][ C0] exit_to_user_mode_loop+0x9e/0x130
[ 174.314960][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 174.320543][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 174.326297][ C0] do_syscall_64+0x58/0xa0
[ 174.330741][ C0] ? clear_bhb_loop+0x30/0x80
[ 174.335453][ C0] ? clear_bhb_loop+0x30/0x80
[ 174.340291][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 174.346209][ C0] RIP: 0033:0x7f248cbd92da
[ 174.350647][ C0] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 23 87 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 83 87 02 00 8b 44 24
[ 174.370273][ C0] RSP: 002b:00007ffdbb4255c0 EFLAGS: 00000293
[ 174.376456][ C0] RAX: fffffffffffffff7 RBX: 0000000000000011 RCX: 00007f248cbd92da
[ 174.384453][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
[ 174.392449][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 174.400451][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f248cc31149
[ 174.408478][ C0] R13: 00007ffdbb425900 R14: 00007ffdbb425610 R15: 0000000000000000
[ 174.416487][ C0]