Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts.
executing program
[ 166.084812][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 166.092000][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4209/1:b..l
[ 166.100160][ C0] (detected by 0, t=10502 jiffies, g=5545, q=52)
[ 166.106591][ C0] task:syz-executor562 state:R running task stack:28704 pid: 4209 ppid: 4185 flags:0x00004002
[ 166.117788][ C0] Call Trace:
[ 166.121107][ C0]
[ 166.124061][ C0] __schedule+0x11bb/0x4390
[ 166.128631][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 166.134647][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 166.140757][ C0] ? release_firmware_map_entry+0x190/0x190
[ 166.146682][ C0] ? preempt_schedule+0xa7/0xb0
[ 166.151560][ C0] preempt_schedule_common+0x82/0xd0
[ 166.156902][ C0] preempt_schedule+0xa7/0xb0
[ 166.161606][ C0] ? schedule_preempt_disabled+0x20/0x20
[ 166.167267][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 166.172327][ C0] preempt_schedule_thunk+0x16/0x18
[ 166.177571][ C0] _raw_spin_unlock+0x36/0x40
[ 166.182275][ C0] filemap_map_pages+0x1031/0x1390
[ 166.187421][ C0] ? filemap_read_page+0x4c0/0x4c0
[ 166.192551][ C0] ? count_memcg_event_mm+0x311/0x360
[ 166.197956][ C0] ? verify_lock_unused+0x140/0x140
[ 166.203193][ C0] handle_mm_fault+0x257d/0x43b0
[ 166.208167][ C0] ? get_page+0xe0/0xe0
[ 166.212349][ C0] ? vmacache_find+0x4f0/0x590
[ 166.217126][ C0] ? vmacache_update+0xa0/0x100
[ 166.222003][ C0] ? find_vma+0x1df/0x230
[ 166.226357][ C0] do_user_addr_fault+0x489/0xc80
[ 166.231436][ C0] exc_page_fault+0x60/0x100
[ 166.236065][ C0] asm_exc_page_fault+0x22/0x30
[ 166.240958][ C0] RIP: 0033:0x7f1b08f1189f
[ 166.245409][ C0] RSP: 002b:00007fffcf13fc18 EFLAGS: 00010283
[ 166.251499][ C0] RAX: 000000000000000f RBX: 00007fffcf140180 RCX: 0000000000000000
[ 166.259487][ C0] RDX: 00007fffcf140308 RSI: 0000000000000025 RDI: 00007f1b08f7600f
[ 166.267474][ C0] RBP: 00000000fbad8001 R08: 0000000000000000 R09: 0000000000000000
[ 166.275466][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b08f7600f
[ 166.283544][ C0] R13: 00007fffcf140308 R14: 0000000000000000 R15: 00007fffcf140180
[ 166.291554][ C0]
[ 166.294600][ C0] rcu: rcu_preempt kthread starved for 10518 jiffies! g5545 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 166.305729][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 166.315712][ C0] rcu: RCU grace-period kthread stack dump:
[ 166.321608][ C0] task:rcu_preempt state:R running task stack:27880 pid: 15 ppid: 2 flags:0x00004000
[ 166.332512][ C0] Call Trace:
[ 166.335812][ C0]
[ 166.338767][ C0] __schedule+0x11bb/0x4390
[ 166.343320][ C0] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 166.348809][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 166.354725][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 166.360658][ C0] ? _raw_spin_unlock+0x40/0x40
[ 166.365534][ C0] ? rcu_is_watching+0x11/0xa0
[ 166.370319][ C0] ? release_firmware_map_entry+0x190/0x190
[ 166.376255][ C0] schedule+0x11b/0x1e0
[ 166.380438][ C0] schedule_timeout+0x15c/0x280
[ 166.385415][ C0] ? console_conditional_schedule+0x40/0x40
[ 166.391427][ C0] ? update_process_times+0x200/0x200
[ 166.396831][ C0] ? prepare_to_swait_event+0x331/0x350
[ 166.402504][ C0] rcu_gp_fqs_loop+0x29e/0x11b0
[ 166.407388][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 166.412618][ C0] ? rcu_gp_init+0xd58/0x10e0
[ 166.417402][ C0] ? rcu_gp_init+0x10e0/0x10e0
[ 166.422189][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 166.427492][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 166.432719][ C0] rcu_gp_kthread+0x98/0x350
[ 166.437335][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 166.442470][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 166.448384][ C0] ? __kthread_parkme+0x157/0x1b0
[ 166.453436][ C0] kthread+0x436/0x520
[ 166.457540][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 166.462685][ C0] ? kthread_blkcg+0xd0/0xd0
[ 166.467295][ C0] ret_from_fork+0x1f/0x30
[ 166.471749][ C0]
[ 166.474968][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 166.481300][ C0] NMI backtrace for cpu 0
[ 166.485658][ C0] CPU: 0 PID: 4210 Comm: syz-executor562 Not tainted syzkaller #0
[ 166.493485][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 166.503555][ C0] Call Trace:
[ 166.506850][ C0]
[ 166.509708][ C0] dump_stack_lvl+0x168/0x230
[ 166.514414][ C0] ? show_regs_print_info+0x20/0x20
[ 166.519639][ C0] ? load_image+0x3b0/0x3b0
[ 166.524171][ C0] ? irq_work_queue+0xbf/0x140
[ 166.528961][ C0] nmi_cpu_backtrace+0x397/0x3d0
[ 166.533930][ C0] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 166.540109][ C0] ? _printk+0xcc/0x110
[ 166.544283][ C0] ? cpu_online+0x1d/0x30
[ 166.548635][ C0] ? load_image+0x3b0/0x3b0
[ 166.553175][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 166.559269][ C0] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 166.565279][ C0] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 166.571554][ C0] print_other_cpu_stall+0x10c8/0x1220
[ 166.577048][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 166.582023][ C0] rcu_sched_clock_irq+0x831/0x1110
[ 166.587251][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 166.592126][ C0] ? account_process_tick+0x227/0x3a0
[ 166.597521][ C0] update_process_times+0x193/0x200
[ 166.602745][ C0] tick_sched_timer+0x37d/0x560
[ 166.607620][ C0] __hrtimer_run_queues+0x4fe/0xc40
[ 166.612852][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 166.618437][ C0] ? hrtimer_interrupt+0x8d0/0x8d0
[ 166.623579][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 166.629675][ C0] hrtimer_interrupt+0x3bb/0x8d0
[ 166.634764][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 166.640774][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 166.646434][ C0]
[ 166.649379][ C0]
[ 166.652323][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 166.658416][ C0] RIP: 0010:memset+0x22/0x40
[ 166.663204][ C0] Code: 00 00 00 e9 30 ef ff ff 55 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 12 ef ff ff 84 c0 74 11 <4c> 89 f7 89 ee 48 89 da 5b 41 5e 5d e9 4d da 44 02 31 c0 5b 41 5e
[ 166.682834][ C0] RSP: 0018:ffffc90002fcfb80 EFLAGS: 00000202
[ 166.688937][ C0] RAX: ffffffff819bd501 RBX: 0000000000000020 RCX: ffffffff819bd6e6
[ 166.696929][ C0] RDX: 0000000000000001 RSI: 0000000000000020 RDI: ffffc90002fcfc20
[ 166.705044][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff520005f9f88
[ 166.713144][ C0] R10: fffff520005f9f88 R11: 1ffff920005f9f84 R12: ffffc90002fcffd8
[ 166.721147][ C0] R13: 0000000000000000 R14: ffffc90002fcfc20 R15: 00000000ffffffff
[ 166.729169][ C0] ? __rseq_handle_notify_resume+0x51/0xf50
[ 166.735100][ C0] ? __rseq_handle_notify_resume+0x236/0xf50
[ 166.741118][ C0] __rseq_handle_notify_resume+0x236/0xf50
[ 166.746966][ C0] ? __bpf_trace_rseq_ip_fixup+0x40/0x40
[ 166.752635][ C0] arch_do_signal_or_restart+0x27c/0x1300
[ 166.758382][ C0] ? _copy_from_user+0x111/0x170
[ 166.763362][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790
[ 166.769282][ C0] ? load_gs_index+0x120/0x120
[ 166.774092][ C0] ? get_sigframe_size+0x10/0x10
[ 166.779084][ C0] ? exit_to_user_mode_loop+0x3b/0x130
[ 166.784607][ C0] exit_to_user_mode_loop+0x9e/0x130
[ 166.789936][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 166.795513][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 166.801005][ C0] do_syscall_64+0x58/0xa0
[ 166.805443][ C0] ? clear_bhb_loop+0x30/0x80
[ 166.810147][ C0] ? clear_bhb_loop+0x30/0x80
[ 166.814938][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.820861][ C0] RIP: 0033:0x7f1b08f1e899
[ 166.825298][ C0] 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
[ 166.844921][ C0] RSP: 002b:00007fffcf1407e8 EFLAGS: 00000246
[ 166.851017][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f1b08f1e899
[ 166.859007][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 166.866999][ C0] RBP: 0000000000000000 R08: 00007f1b08ede990 R09: 00007f1b08ede990
[ 166.875089][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b08f7c33c
[ 166.883145][ C0] R13: 00007f1b08f76106 R14: 00007fffcf140820 R15: 0000000000000000
[ 166.891154][ C0]