Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 189.341286][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 189.348368][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4203/1:b..l
[ 189.356476][ C0] (detected by 0, t=10502 jiffies, g=3921, q=50)
[ 189.362896][ C0] task:syz-executor374 state:R running task stack:29312 pid: 4203 ppid: 4191 flags:0x00004000
[ 189.374117][ C0] Call Trace:
[ 189.377401][ C0]
[ 189.380335][ C0] __schedule+0x11bb/0x4390
[ 189.384877][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 189.390866][ C0] ? release_firmware_map_entry+0x190/0x190
[ 189.396765][ C0] ? preempt_schedule+0xa7/0xb0
[ 189.401615][ C0] preempt_schedule_common+0x82/0xd0
[ 189.406902][ C0] preempt_schedule+0xa7/0xb0
[ 189.411583][ C0] ? schedule_preempt_disabled+0x20/0x20
[ 189.417214][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 189.422244][ C0] preempt_schedule_thunk+0x16/0x18
[ 189.427446][ C0] _raw_spin_unlock+0x36/0x40
[ 189.432122][ C0] filemap_map_pages+0x1031/0x1390
[ 189.437248][ C0] ? filemap_read_page+0x4c0/0x4c0
[ 189.442352][ C0] ? count_memcg_event_mm+0x311/0x360
[ 189.447730][ C0] ? verify_lock_unused+0x140/0x140
[ 189.452948][ C0] handle_mm_fault+0x2580/0x43c0
[ 189.457898][ C0] ? get_page+0xe0/0xe0
[ 189.462059][ C0] ? vmacache_find+0x4f0/0x590
[ 189.466818][ C0] ? vmacache_update+0xa0/0x100
[ 189.471668][ C0] ? find_vma+0x1df/0x230
[ 189.475999][ C0] do_user_addr_fault+0x489/0xc80
[ 189.481024][ C0] ? rcu_is_watching+0x11/0xa0
[ 189.485786][ C0] exc_page_fault+0x60/0x100
[ 189.490378][ C0] asm_exc_page_fault+0x22/0x30
[ 189.495234][ C0] RIP: 0033:0x7fd9aff93fa0
[ 189.499643][ C0] RSP: 002b:00007fd9aff33198 EFLAGS: 00010246
[ 189.505706][ C0] RAX: fffffffffffffec0 RBX: 00007fd9aff336c0 RCX: 00007fd9affaad99
[ 189.513676][ C0] RDX: 00007fd9aff33d78 RSI: 0000000000000058 RDI: 00007fd9aff336c0
[ 189.521643][ C0] RBP: 0000000000000000 R08: 00007fd9aff336c0 R09: 00007ffca61df647
[ 189.529616][ C0] R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffb0
[ 189.537578][ C0] R13: 0000000000000000 R14: 00007ffca61df560 R15: 00007ffca61df648
[ 189.545556][ C0]
[ 189.548572][ C0] rcu: rcu_preempt kthread starved for 10518 jiffies! g3921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 189.559669][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 189.569629][ C0] rcu: RCU grace-period kthread stack dump:
[ 189.575502][ C0] task:rcu_preempt state:R running task stack:28032 pid: 15 ppid: 2 flags:0x00004000
[ 189.586392][ C0] Call Trace:
[ 189.589672][ C0]
[ 189.592607][ C0] __schedule+0x11bb/0x4390
[ 189.597147][ C0] ? lock_chain_count+0x20/0x20
[ 189.602019][ C0] ? release_firmware_map_entry+0x190/0x190
[ 189.607913][ C0] ? finish_lock_switch+0x12f/0x280
[ 189.613120][ C0] ? preempt_schedule_irq+0xd0/0x150
[ 189.618416][ C0] ? preempt_schedule_irq+0xa6/0x150
[ 189.623711][ C0] preempt_schedule_irq+0xb1/0x150
[ 189.628823][ C0] ? __cond_resched+0xb0/0xb0
[ 189.633507][ C0] ? rcu_irq_exit_check_preempt+0xdb/0x200
[ 189.639321][ C0] irqentry_exit+0x63/0x70
[ 189.643740][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 189.649720][ C0] RIP: 0010:timer_delete_sync+0x158/0x260
[ 189.655452][ C0] Code: 00 4d 85 ed 75 16 e8 67 9c 10 00 eb 15 e8 60 9c 10 00 e8 9b bf 41 08 4d 85 ed 74 ea e8 51 9c 10 00 fb 65 44 8b 35 f0 40 9b 7e <44> 89 f6 81 e6 00 00 0f 00 31 ff e8 98 9f 10 00 41 81 e6 00 00 0f
[ 189.675060][ C0] RSP: 0018:ffffc90000d47b00 EFLAGS: 00000293
[ 189.681238][ C0] RAX: ffffffff81672ecf RBX: ffffc90000d47be0 RCX: ffff88813feabb80
[ 189.689208][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 189.697182][ C0] RBP: ffffc90000d47bb0 R08: dffffc0000000000 R09: fffffbfff1ad323e
[ 189.705152][ C0] R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: dffffc0000000000
[ 189.713129][ C0] R13: 0000000000000200 R14: 0000000080000000 R15: 1ffff920001a8f60
[ 189.721112][ C0] ? timer_delete_sync+0x14f/0x260
[ 189.726235][ C0] ? try_to_del_timer_sync+0x1b0/0x1b0
[ 189.731703][ C0] schedule_timeout+0x164/0x280
[ 189.736567][ C0] ? console_conditional_schedule+0x40/0x40
[ 189.742461][ C0] ? update_process_times+0x200/0x200
[ 189.747847][ C0] ? prepare_to_swait_event+0x331/0x350
[ 189.753398][ C0] rcu_gp_fqs_loop+0x29e/0x11b0
[ 189.758257][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 189.763456][ C0] ? rcu_gp_init+0xd58/0x10e0
[ 189.768132][ C0] ? rcu_gp_init+0x10e0/0x10e0
[ 189.772897][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 189.778092][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 189.783289][ C0] rcu_gp_kthread+0x98/0x350
[ 189.787875][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 189.792987][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 189.798884][ C0] ? __kthread_parkme+0x157/0x1b0
[ 189.803912][ C0] kthread+0x436/0x520
[ 189.807978][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 189.813086][ C0] ? kthread_blkcg+0xd0/0xd0
[ 189.817675][ C0] ret_from_fork+0x1f/0x30
[ 189.822114][ C0]
[ 189.825123][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 189.831440][ C0] NMI backtrace for cpu 0
[ 189.835776][ C0] CPU: 0 PID: 4199 Comm: syz-executor374 Not tainted syzkaller #0
[ 189.843572][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 189.853618][ C0] Call Trace:
[ 189.856891][ C0]
[ 189.859731][ C0] dump_stack_lvl+0x168/0x230
[ 189.864409][ C0] ? show_regs_print_info+0x20/0x20
[ 189.869608][ C0] ? load_image+0x3b0/0x3b0
[ 189.874112][ C0] ? irq_work_queue+0xbf/0x140
[ 189.878883][ C0] nmi_cpu_backtrace+0x397/0x3d0
[ 189.883828][ C0] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 189.889978][ C0] ? _printk+0xcc/0x110
[ 189.894134][ C0] ? cpu_online+0x1d/0x30
[ 189.898463][ C0] ? load_image+0x3b0/0x3b0
[ 189.902967][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 189.909036][ C0] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 189.915023][ C0] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 189.921197][ C0] print_other_cpu_stall+0x10c8/0x1220
[ 189.926669][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 189.931625][ C0] rcu_sched_clock_irq+0x831/0x1110
[ 189.936833][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 189.941682][ C0] ? account_process_tick+0x227/0x3a0
[ 189.947058][ C0] update_process_times+0x193/0x200
[ 189.952263][ C0] tick_sched_timer+0x37d/0x560
[ 189.957120][ C0] __hrtimer_run_queues+0x4fe/0xc40
[ 189.962329][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 189.967884][ C0] ? hrtimer_interrupt+0x8d0/0x8d0
[ 189.972997][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 189.979068][ C0] hrtimer_interrupt+0x3bb/0x8d0
[ 189.984025][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 189.990011][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 189.995644][ C0]
[ 189.998571][ C0]
[ 190.001522][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 190.007500][ C0] RIP: 0010:lock_acquire+0x1f2/0x3f0
[ 190.012787][ C0] Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f6 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b
[ 190.032482][ C0] RSP: 0018:ffffc90002eaf9c0 EFLAGS: 00000206
[ 190.038547][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 6356f938c2ca3700
[ 190.046519][ C0] RDX: 0000000000000000 RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a480
[ 190.054486][ C0] RBP: ffffc90002eafad8 R08: dffffc0000000000 R09: fffffbfff1ff781f
[ 190.062453][ C0] R10: fffffbfff1ff781f R11: 1ffffffff1ff781e R12: ffff8880793c8128
[ 190.070418][ C0] R13: 1ffff920005d5f44 R14: 0000000000000246 R15: dffffc0000000000
[ 190.078408][ C0] ? __might_sleep+0xf0/0xf0
[ 190.083000][ C0] ? read_lock_is_recursive+0x10/0x10
[ 190.088369][ C0] ? __local_bh_enable_ip+0x12a/0x1b0
[ 190.093736][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 190.098932][ C0] ? __local_bh_enable_ip+0x12a/0x1b0
[ 190.104302][ C0] ? _local_bh_enable+0xa0/0xa0
[ 190.109152][ C0] __might_fault+0xb3/0x110
[ 190.113648][ C0] ? __might_fault+0x90/0x110
[ 190.118324][ C0] copy_fpstate_to_sigframe+0x882/0xb90
[ 190.123885][ C0] ? fpregs_set+0x550/0x550
[ 190.128391][ C0] ? __bpf_trace_rseq_ip_fixup+0x40/0x40
[ 190.134027][ C0] ? fpu__alloc_mathframe+0x77/0x140
[ 190.139307][ C0] arch_do_signal_or_restart+0x67a/0x1300
[ 190.145030][ C0] ? _copy_from_user+0x111/0x170
[ 190.149969][ C0] ? load_gs_index+0x120/0x120
[ 190.154732][ C0] ? get_sigframe_size+0x10/0x10
[ 190.159681][ C0] ? exit_to_user_mode_loop+0x3b/0x130
[ 190.165145][ C0] exit_to_user_mode_loop+0x9e/0x130
[ 190.170433][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 190.175978][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 190.181434][ C0] do_syscall_64+0x58/0xa0
[ 190.185848][ C0] ? clear_bhb_loop+0x30/0x80
[ 190.190519][ C0] ? clear_bhb_loop+0x30/0x80
[ 190.195190][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 190.201080][ C0] RIP: 0033:0x7fd9aff7afc7
[ 190.205496][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 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
[ 190.225098][ C0] RSP: 002b:00007fd9aff33178 EFLAGS: 00000246
[ 190.231162][ C0] RAX: 00000000000000ca RBX: 00007fd9afffd308 RCX: 00007fd9aff7afc9
[ 190.239130][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd9afffd308
[ 190.247095][ C0] RBP: 00007fd9afffd300 R08: 00007fd9aff336c0 R09: 00007fd9aff336c0
[ 190.255059][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9afffd30c
[ 190.263024][ C0] R13: 0000000000000000 R14: 00007ffca61df560 R15: 00007ffca61df648
[ 190.271003][ C0]