Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 156.151282][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 156.158345][ C1] (detected by 1, t=10502 jiffies, g=3949, q=71)
[ 156.164755][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294952757-4294942255), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 156.178111][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g3949 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 156.189211][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 156.199172][ C1] rcu: RCU grace-period kthread stack dump:
[ 156.205059][ C1] task:rcu_preempt state:R running task stack:27880 pid: 15 ppid: 2 flags:0x00004000
[ 156.215845][ C1] Call Trace:
[ 156.219117][ C1]
[ 156.222045][ C1] __schedule+0x11bb/0x4390
[ 156.226572][ C1] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 156.231948][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 156.237838][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 156.243722][ C1] ? _raw_spin_unlock+0x40/0x40
[ 156.248567][ C1] ? rcu_is_watching+0x11/0xa0
[ 156.253326][ C1] ? release_firmware_map_entry+0x190/0x190
[ 156.259230][ C1] schedule+0x11b/0x1e0
[ 156.263387][ C1] schedule_timeout+0x15c/0x280
[ 156.268235][ C1] ? console_conditional_schedule+0x40/0x40
[ 156.274122][ C1] ? update_process_times+0x200/0x200
[ 156.279502][ C1] ? prepare_to_swait_event+0x331/0x350
[ 156.285065][ C1] rcu_gp_fqs_loop+0x29e/0x11b0
[ 156.289927][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 156.295136][ C1] ? rcu_gp_init+0xd58/0x10e0
[ 156.299813][ C1] ? rcu_gp_init+0x10e0/0x10e0
[ 156.304578][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 156.309773][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 156.314970][ C1] rcu_gp_kthread+0x98/0x350
[ 156.319558][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 156.324668][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 156.330562][ C1] ? __kthread_parkme+0x157/0x1b0
[ 156.335588][ C1] kthread+0x436/0x520
[ 156.339655][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 156.344760][ C1] ? kthread_blkcg+0xd0/0xd0
[ 156.349347][ C1] ret_from_fork+0x1f/0x30
[ 156.353769][ C1]
[ 156.356784][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 156.363092][ C1] NMI backtrace for cpu 1
[ 156.367432][ C1] CPU: 1 PID: 4207 Comm: syz-executor882 Not tainted syzkaller #0
[ 156.375228][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 156.385275][ C1] Call Trace:
[ 156.388553][ C1]
[ 156.391390][ C1] dump_stack_lvl+0x168/0x230
[ 156.396067][ C1] ? show_regs_print_info+0x20/0x20
[ 156.401256][ C1] ? load_image+0x3b0/0x3b0
[ 156.405758][ C1] ? irq_work_queue+0xbf/0x140
[ 156.410524][ C1] nmi_cpu_backtrace+0x397/0x3d0
[ 156.415463][ C1] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 156.421613][ C1] ? _printk+0xcc/0x110
[ 156.425767][ C1] ? cpu_online+0x1d/0x30
[ 156.430094][ C1] ? load_image+0x3b0/0x3b0
[ 156.434601][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 156.440668][ C1] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 156.446646][ C1] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 156.452800][ C1] print_other_cpu_stall+0x10c8/0x1220
[ 156.458262][ C1] ? print_cpu_stall+0x5f0/0x5f0
[ 156.463200][ C1] ? timekeeping_advance+0x7f6/0xac0
[ 156.468481][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 156.473508][ C1] rcu_sched_clock_irq+0x831/0x1110
[ 156.478705][ C1] ? rcutree_dead_cpu+0x20/0x20
[ 156.483553][ C1] ? account_process_tick+0x227/0x3a0
[ 156.488924][ C1] update_process_times+0x193/0x200
[ 156.494124][ C1] tick_sched_timer+0x37d/0x560
[ 156.498973][ C1] __hrtimer_run_queues+0x4fe/0xc40
[ 156.504173][ C1] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 156.509719][ C1] ? hrtimer_interrupt+0x8d0/0x8d0
[ 156.514824][ C1] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 156.520888][ C1] hrtimer_interrupt+0x3bb/0x8d0
[ 156.525843][ C1] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 156.531819][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 156.537450][ C1]
[ 156.540374][ C1]
[ 156.543299][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 156.549285][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 156.555092][ C1] Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be 2b b1 f7 48 89 df e8 86 00 b2 f7 e8 21 9a d2 f7 fb bf 01 00 00 00 56 22 a6 f7 65 8b 05 e7 1f 57 76 85 c0 74 02 5b c3 e8 f4 2a 55
[ 156.574698][ C1] RSP: 0018:ffffc90002fcfbc0 EFLAGS: 00000282
[ 156.580759][ C1] RAX: 257e775b4dbd0600 RBX: ffff88802a8e1280 RCX: 257e775b4dbd0600
[ 156.588723][ C1] RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: 0000000000000001
[ 156.596685][ C1] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100551c251
[ 156.604652][ C1] R10: ffffed100551c251 R11: 1ffff1100551c250 R12: ffff88802a8e1280
[ 156.612617][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 000000001c000004
[ 156.620598][ C1] get_signal+0x11d6/0x12c0
[ 156.625121][ C1] arch_do_signal_or_restart+0xc1/0x1300
[ 156.630748][ C1] ? _copy_from_user+0x111/0x170
[ 156.635685][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790
[ 156.641319][ C1] ? load_gs_index+0x120/0x120
[ 156.646082][ C1] ? get_sigframe_size+0x10/0x10
[ 156.651035][ C1] ? exit_to_user_mode_loop+0x3b/0x130
[ 156.656491][ C1] exit_to_user_mode_loop+0x9e/0x130
[ 156.661774][ C1] exit_to_user_mode_prepare+0xee/0x180
[ 156.667319][ C1] syscall_exit_to_user_mode+0x16/0x40
[ 156.672775][ C1] do_syscall_64+0x58/0xa0
[ 156.677186][ C1] ? clear_bhb_loop+0x30/0x80
[ 156.681856][ C1] ? clear_bhb_loop+0x30/0x80
[ 156.686531][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 156.692414][ C1] RIP: 0033:0x7fd0365f2119
[ 156.696824][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 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 01 48
[ 156.716420][ C1] RSP: 002b:00007ffdb7fe60b8 EFLAGS: 00000246
[ 156.722494][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd0365f2119
[ 156.730459][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 156.738423][ C1] RBP: 0000000000000000 R08: 00007fd03664f33c R09: 00007fd03664f33c
[ 156.746436][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd03664f33c
[ 156.754399][ C1] R13: 00007fd036649106 R14: 00007ffdb7fe6100 R15: 0000000000000000
[ 156.762376][ C1]