Warning: Permanently added '10.128.0.57' (ED25519) to the list of known hosts.
Setting up swapspace version 1, size = 127995904 bytes
[ 80.848755][ T4198] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
executing program
[ 186.166518][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 186.173598][ C1] (detected by 1, t=10502 jiffies, g=6141, q=26)
[ 186.180057][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955750-4294945248), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 186.193466][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6141 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 186.204615][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 186.214636][ C1] rcu: RCU grace-period kthread stack dump:
[ 186.220571][ C1] task:rcu_preempt state:R running task stack:27800 pid: 15 ppid: 2 flags:0x00004000
[ 186.231444][ C1] Call Trace:
[ 186.234780][ C1]
[ 186.237752][ C1] __schedule+0x11ef/0x43c0
[ 186.242340][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 186.247589][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 186.253532][ C1] ? _raw_spin_unlock+0x40/0x40
[ 186.258422][ C1] ? release_firmware_map_entry+0x190/0x190
[ 186.264366][ C1] ? __mod_timer+0x91e/0xd00
[ 186.269005][ C1] schedule+0x11b/0x1e0
[ 186.273208][ C1] schedule_timeout+0x184/0x2d0
[ 186.278099][ C1] ? console_conditional_schedule+0x40/0x40
[ 186.284036][ C1] ? update_process_times+0x200/0x200
[ 186.289457][ C1] ? prepare_to_swait_event+0x331/0x350
[ 186.295054][ C1] rcu_gp_fqs_loop+0x2be/0x11d0
[ 186.299948][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 186.305203][ C1] ? rcu_gp_init+0xd6c/0x10f0
[ 186.309932][ C1] ? rcu_gp_init+0x10f0/0x10f0
[ 186.314749][ C1] ? finish_swait+0xc0/0x1d0
[ 186.319389][ C1] rcu_gp_kthread+0x9b/0x370
[ 186.324024][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 186.329973][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 186.335130][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 186.341093][ C1] ? __kthread_parkme+0x157/0x1b0
[ 186.346163][ C1] kthread+0x436/0x520
[ 186.350272][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 186.355428][ C1] ? kthread_blkcg+0xd0/0xd0
[ 186.360058][ C1] ret_from_fork+0x1f/0x30
[ 186.364529][ C1]
[ 186.367577][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 186.373943][ C1] NMI backtrace for cpu 1
[ 186.378327][ C1] CPU: 1 PID: 4229 Comm: syz-executor222 Not tainted syzkaller #0
[ 186.386168][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 186.396257][ C1] Call Trace:
[ 186.399565][ C1]
[ 186.402443][ C1] dump_stack_lvl+0x188/0x250
[ 186.407166][ C1] ? show_regs_print_info+0x20/0x20
[ 186.412411][ C1] ? load_image+0x400/0x400
[ 186.416965][ C1] ? irq_work_queue+0xbf/0x140
[ 186.421786][ C1] nmi_cpu_backtrace+0x3a2/0x3d0
[ 186.426806][ C1] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 186.433004][ C1] ? _printk+0xda/0x130
[ 186.437201][ C1] ? cpu_online+0x1d/0x30
[ 186.441565][ C1] ? load_image+0x400/0x400
[ 186.446110][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 186.452217][ C1] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 186.458242][ C1] rcu_check_gp_kthread_starvation+0x1cd/0x250
[ 186.464446][ C1] print_other_cpu_stall+0x1110/0x1270
[ 186.469961][ C1] ? print_cpu_stall+0x5f0/0x5f0
[ 186.474947][ C1] ? rcu_qs+0xd0/0x170
[ 186.479048][ C1] ? rcu_softirq_qs+0x290/0x290
[ 186.483956][ C1] rcu_sched_clock_irq+0x843/0x1120
[ 186.489201][ C1] ? rcutree_dead_cpu+0x20/0x20
[ 186.494090][ C1] ? hrtimer_run_queues+0x162/0x440
[ 186.499328][ C1] ? account_process_tick+0x22a/0x3a0
[ 186.504749][ C1] update_process_times+0x193/0x200
[ 186.509992][ C1] tick_sched_timer+0x37d/0x560
[ 186.514892][ C1] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 186.520485][ C1] __hrtimer_run_queues+0x4b4/0xb70
[ 186.525747][ C1] ? hrtimer_interrupt+0x8d0/0x8d0
[ 186.530903][ C1] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 186.537030][ C1] hrtimer_interrupt+0x3bb/0x8d0
[ 186.542043][ C1] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 186.548074][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 186.553750][ C1]
[ 186.556716][ C1]
[ 186.559684][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 186.565718][ C1] RIP: 0010:lock_release+0x136/0x8a0
[ 186.571063][ C1] Code: 84 c0 0f 85 47 05 00 00 41 83 3e 00 0f 85 7d 04 00 00 48 89 5c 24 18 43 c6 44 2c 08 00 48 c7 84 24 a0 00 00 00 00 00 00 00 9c <8f> 84 24 a0 00 00 00 4c 8b bc 24 a0 00 00 00 4c 89 64 24 50 43 c6
[ 186.590741][ C1] RSP: 0018:ffffc90002f6fb98 EFLAGS: 00000246
[ 186.596989][ C1] RAX: 0000000000000000 RBX: ffff888025f10000 RCX: 5fd8f95537624f00
[ 186.604998][ C1] RDX: 0000000000000000 RSI: ffffffff8a7a09a0 RDI: ffffffff8a7a0960
[ 186.613013][ C1] RBP: ffffc90002f6fcb8 R08: ffffffff8d8a06ef R09: 1ffffffff1b140dd
[ 186.621019][ C1] R10: dffffc0000000000 R11: fffffbfff1b140de R12: 1ffff920005edf80
[ 186.629026][ C1] R13: dffffc0000000000 R14: ffff888025f10aec R15: 00007fffee946ba8
[ 186.637056][ C1] ? __might_fault+0xb7/0x110
[ 186.641779][ C1] ? __lock_acquire+0x7d10/0x7d10
[ 186.646844][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 186.653025][ C1] ? lock_chain_count+0x20/0x20
[ 186.657926][ C1] ? __might_fault+0xb3/0x110
[ 186.662645][ C1] _copy_from_user+0x29/0x170
[ 186.667356][ C1] __ia32_sys_rt_sigreturn+0x21d/0x760
[ 186.672867][ C1] ? load_gs_index+0x130/0x130
[ 186.677693][ C1] ? lock_chain_count+0x20/0x20
[ 186.682579][ C1] ? vtime_user_exit+0x2c8/0x3e0
[ 186.687593][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 186.692833][ C1] do_syscall_64+0x4c/0xa0
[ 186.697306][ C1] ? clear_bhb_loop+0x30/0x80
[ 186.702012][ C1] ? clear_bhb_loop+0x30/0x80
[ 186.706750][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 186.712672][ C1] RIP: 0033:0x7f0dc6bd5f69
[ 186.717141][ C1] Code: cb 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 0c 25
[ 186.736864][ C1] RSP: 002b:00007fffee946b80 EFLAGS: 00000202 ORIG_RAX: 000000000000000f
[ 186.745314][ C1] RAX: ffffffffffffffda RBX: 000055557e663480 RCX: 00007f0dc6bd5f69
[ 186.753316][ C1] RDX: 00007fffee946b80 RSI: 00007fffee946cb0 RDI: 0000000000000021
[ 186.761314][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 186.769313][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0dc6c6704f
[ 186.777311][ C1] R13: 00007f0dc6c65182 R14: 00007fffee9471a0 R15: 0000000000000000
[ 186.785332][ C1]