Warning: Permanently added '10.128.1.86' (ED25519) to the list of known hosts.
executing program
syzkaller login: [ 180.512154][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 180.519233][ C0] (detected by 0, t=10502 jiffies, g=6617, q=26)
[ 180.525664][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955136-4294944634), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 180.539026][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6617 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 180.550137][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 180.560108][ C0] rcu: RCU grace-period kthread stack dump:
[ 180.566000][ C0] task:rcu_preempt state:R running task stack:28192 pid: 15 ppid: 2 flags:0x00004000
[ 180.576789][ C0] Call Trace:
[ 180.580071][ C0]
[ 180.583007][ C0] __schedule+0x11b8/0x43b0
[ 180.587541][ C0] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 180.592927][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 180.598837][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 180.604738][ C0] ? _raw_spin_unlock+0x40/0x40
[ 180.609595][ C0] ? rcu_is_watching+0x11/0xa0
[ 180.614364][ C0] ? release_firmware_map_entry+0x190/0x190
[ 180.620277][ C0] schedule+0x11b/0x1e0
[ 180.624449][ C0] schedule_timeout+0x15c/0x280
[ 180.629308][ C0] ? console_conditional_schedule+0x40/0x40
[ 180.635215][ C0] ? update_process_times+0x200/0x200
[ 180.640607][ C0] ? prepare_to_swait_event+0x331/0x350
[ 180.646173][ C0] rcu_gp_fqs_loop+0x29e/0x11b0
[ 180.651047][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 180.656276][ C0] ? rcu_gp_init+0xd58/0x10e0
[ 180.660969][ C0] ? rcu_gp_init+0x10e0/0x10e0
[ 180.665756][ C0] ? finish_swait+0xc0/0x1d0
[ 180.670367][ C0] rcu_gp_kthread+0x98/0x350
[ 180.674973][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 180.680089][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 180.686007][ C0] ? __kthread_parkme+0x157/0x1b0
[ 180.691054][ C0] kthread+0x436/0x520
[ 180.695133][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 180.700255][ C0] ? kthread_blkcg+0xd0/0xd0
[ 180.704856][ C0] ret_from_fork+0x1f/0x30
[ 180.709298][ C0]
[ 180.712327][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 180.718650][ C0] NMI backtrace for cpu 0
[ 180.722999][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.184-syzkaller #0
[ 180.730806][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 180.740861][ C0] Call Trace:
[ 180.744143][ C0]
[ 180.746993][ C0] dump_stack_lvl+0x168/0x230
[ 180.751682][ C0] ? show_regs_print_info+0x20/0x20
[ 180.756888][ C0] ? load_image+0x3b0/0x3b0
[ 180.761403][ C0] ? irq_work_queue+0xbf/0x140
[ 180.766181][ C0] nmi_cpu_backtrace+0x397/0x3d0
[ 180.771134][ C0] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 180.777297][ C0] ? _printk+0xcc/0x110
[ 180.781467][ C0] ? cpu_online+0x1d/0x30
[ 180.785809][ C0] ? load_image+0x3b0/0x3b0
[ 180.790326][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 180.796404][ C0] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 180.802394][ C0] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 180.808568][ C0] print_other_cpu_stall+0x10c8/0x1220
[ 180.814045][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 180.818986][ C0] ? timekeeping_advance+0x7f6/0xac0
[ 180.824279][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 180.829323][ C0] rcu_sched_clock_irq+0x831/0x1110
[ 180.834532][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 180.839429][ C0] ? hrtimer_run_queues+0x162/0x440
[ 180.844635][ C0] ? account_process_tick+0x227/0x3a0
[ 180.850019][ C0] update_process_times+0x193/0x200
[ 180.855229][ C0] tick_sched_timer+0x37d/0x560
[ 180.860099][ C0] __hrtimer_run_queues+0x4fe/0xc40
[ 180.865313][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 180.870874][ C0] ? hrtimer_interrupt+0x8d0/0x8d0
[ 180.875995][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 180.882074][ C0] hrtimer_interrupt+0x3bb/0x8d0
[ 180.887044][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 180.893039][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 180.898683][ C0]
[ 180.901618][ C0]
[ 180.904554][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 180.910553][ C0] RIP: 0010:default_idle+0xb/0x10
[ 180.915594][ C0] Code: bf 48 89 df e8 16 c9 12 f8 eb b5 e8 4f be f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d a7 53 5b 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
[ 180.935224][ C0] RSP: 0000:ffffffff8be07dc8 EFLAGS: 000002c6
[ 180.941305][ C0] RAX: 3c79ee3c24129000 RBX: ffffffff8bebc3c0 RCX: 3c79ee3c24129000
[ 180.949281][ C0] RDX: 0000000000000001 RSI: ffffffff8a0b11c0 RDI: ffffffff8a59a700
[ 180.957258][ C0] RBP: ffffffff8be07ef8 R08: dffffc0000000000 R09: ffffed101720765a
[ 180.965237][ C0] R10: ffffed101720765a R11: 1ffff11017207659 R12: ffffffff8d68aaa8
[ 180.973223][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff17d7878
[ 180.981223][ C0] default_idle_call+0x81/0xc0
[ 180.986002][ C0] do_idle+0x21b/0x5b0
[ 180.990088][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 180.995296][ C0] ? asm_sysvec_call_function_single+0x16/0x20
[ 181.001467][ C0] cpu_startup_entry+0x14/0x20
[ 181.006409][ C0] ? time_init+0x40/0x40
[ 181.010665][ C0] start_kernel+0x486/0x530
[ 181.015192][ C0] secondary_startup_64_no_verify+0xb1/0xbb
[ 181.021136][ C0]