Warning: Permanently added '10.128.0.54' (ED25519) to the list of known hosts.
executing program
executing program
[ 85.833181][ C0] sched: RT throttling activated
executing program
executing program
executing program
[ 195.843157][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 195.850438][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P56/1:b..l P5786/1:b..l
[ 195.859698][ C1] rcu: (detected by 1, t=10502 jiffies, g=9329, q=62 ncpus=2)
[ 195.867300][ C1] task:udevd state:R running task stack:26696 pid:5786 ppid:5139 flags:0x00004002
[ 195.878717][ C1] Call Trace:
[ 195.882059][ C1]
[ 195.885034][ C1] __schedule+0x15ae/0x4660
[ 195.889665][ C1] ? verify_lock_unused+0x140/0x140
[ 195.894930][ C1] ? asan.module_dtor+0x20/0x20
[ 195.899822][ C1] ? mark_lock+0x94/0x320
[ 195.904251][ C1] ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[ 195.910298][ C1] ? preempt_schedule_irq+0xb4/0x150
[ 195.915632][ C1] preempt_schedule_irq+0xbf/0x150
[ 195.920835][ C1] ? preempt_schedule_notrace+0x110/0x110
[ 195.926610][ C1] ? rcu_irq_exit_check_preempt+0xdf/0x210
[ 195.932472][ C1] irqentry_exit+0x67/0x70
[ 195.936957][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 195.942998][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80
[ 195.949816][ C1] Code: c0 4c 89 01 48 c7 44 11 08 05 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1e fa 48 8b 04 24 65 48 8b 0d 00 23 7c 7e 65 8b 15 01 23 7c
[ 195.969497][ C1] RSP: 0018:ffffc90004527540 EFLAGS: 00000246
[ 195.975616][ C1] RAX: ffffffff81cf7204 RBX: ffffc90004527600 RCX: ffff88803087bc00
[ 195.983631][ C1] RDX: 0000000000000000 RSI: ffffffff81cf7204 RDI: 0000000000000000
[ 195.991653][ C1] RBP: ffffc900045275d0 R08: ffff88803087bc00 R09: 0000000000000003
[ 195.999669][ C1] R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff81cf7204
[ 196.007678][ C1] R13: 1ffff1100610f82f R14: ffffffff81762b60 R15: ffffc90004527548
[ 196.015692][ C1] ? stack_trace_save+0x100/0x100
[ 196.020768][ C1] ? tlb_finish_mmu+0xf4/0x220
[ 196.025578][ C1] ? tlb_finish_mmu+0xf4/0x220
[ 196.030385][ C1] ? tlb_finish_mmu+0xf4/0x220
[ 196.035196][ C1] arch_stack_walk+0x12a/0x190
[ 196.040052][ C1] ? tlb_finish_mmu+0xf4/0x220
[ 196.044869][ C1] stack_trace_save+0xaa/0x100
[ 196.049680][ C1] ? stack_trace_snprint+0xf0/0xf0
[ 196.054844][ C1] save_stack+0x125/0x230
[ 196.059222][ C1] ? __reset_page_owner+0x190/0x190
[ 196.064460][ C1] ? free_unref_page_prepare+0x7d7/0x8f0
[ 196.070132][ C1] ? free_unref_page_list+0xbe/0x860
[ 196.075453][ C1] ? release_pages+0x208a/0x2300
[ 196.080452][ C1] ? tlb_flush_mmu+0x379/0x510
[ 196.085277][ C1] ? page_ext_get+0x22/0x2b0
[ 196.089919][ C1] ? page_ext_get+0x1e2/0x2b0
[ 196.094666][ C1] __reset_page_owner+0x4e/0x190
[ 196.099676][ C1] ? rcu_is_watching+0x15/0xb0
[ 196.104498][ C1] free_unref_page_prepare+0x7d7/0x8f0
[ 196.110000][ C1] free_unref_page_list+0xbe/0x860
[ 196.115169][ C1] ? __folio_memcg+0x63/0x170
[ 196.119895][ C1] ? folio_memcg+0x127/0x4a0
[ 196.124539][ C1] release_pages+0x208a/0x2300
[ 196.129351][ C1] ? flush_tlb_mm_range+0x4bd/0x680
[ 196.134613][ C1] ? lru_cache_disable+0x30/0x30
[ 196.139596][ C1] ? free_swap_cache+0xe8/0x790
[ 196.144506][ C1] tlb_flush_mmu+0x379/0x510
[ 196.149175][ C1] tlb_finish_mmu+0xf4/0x220
[ 196.153813][ C1] exit_mmap+0x428/0xb90
[ 196.158103][ C1] ? exit_mm_release+0x1a/0x30
[ 196.162915][ C1] ? vm_brk+0x30/0x30
[ 196.166943][ C1] ? __mutex_unlock_slowpath+0x1b4/0x6c0
[ 196.172655][ C1] ? uprobe_clear_state+0x278/0x290
[ 196.177909][ C1] __mmput+0x118/0x3a0
[ 196.182038][ C1] exit_mm+0x23f/0x340
[ 196.186162][ C1] ? sysctl_delayacct+0x220/0x220
[ 196.191236][ C1] ? do_exit+0x2530/0x2530
[ 196.195722][ C1] ? tty_audit_exit+0x14d/0x1f0
[ 196.200625][ C1] do_exit+0x909/0x2530
[ 196.204840][ C1] ? put_task_struct+0xc0/0xc0
[ 196.209649][ C1] ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[ 196.215672][ C1] ? do_group_exit+0x21d/0x2f0
[ 196.220471][ C1] ? lock_chain_count+0x20/0x20
[ 196.225353][ C1] ? _raw_spin_lock_irq+0xbb/0xf0
[ 196.230416][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 196.235669][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 196.240916][ C1] do_group_exit+0x22d/0x2f0
[ 196.245559][ C1] __x64_sys_exit_group+0x3f/0x40
[ 196.250627][ C1] do_syscall_64+0x55/0xb0
[ 196.255087][ C1] ? clear_bhb_loop+0x40/0x90
[ 196.259834][ C1] ? clear_bhb_loop+0x40/0x90
[ 196.264556][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 196.270523][ C1] RIP: 0033:0x7f4507af16c5
[ 196.275026][ C1] RSP: 002b:00007fffb931b678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 196.283521][ C1] RAX: ffffffffffffffda RBX: 0000564b4402c8a0 RCX: 00007f4507af16c5
[ 196.291530][ C1] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000
[ 196.299541][ C1] RBP: 0000564b44022910 R08: 0000000000000000 R09: 0000000000000000
[ 196.307570][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 196.315580][ C1] R13: 00007fffb931b6c0 R14: 0000000000000000 R15: 0000000000000000
[ 196.323632][ C1]
[ 196.326697][ C1] task:kworker/0:2 state:R running task stack:24240 pid:56 ppid:2 flags:0x00004000
[ 196.337527][ C1] Workqueue: events_power_efficient gc_worker
[ 196.343665][ C1] Call Trace:
[ 196.346982][ C1]
[ 196.349953][ C1] __schedule+0x15ae/0x4660
[ 196.354565][ C1] ? asan.module_dtor+0x20/0x20
[ 196.359454][ C1] ? mark_lock+0x94/0x320
[ 196.363831][ C1] ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[ 196.369869][ C1] ? preempt_schedule_irq+0xb4/0x150
[ 196.375191][ C1] preempt_schedule_irq+0xbf/0x150
[ 196.380316][ C1] ? preempt_schedule_notrace+0x110/0x110
[ 196.386055][ C1] ? rcu_irq_exit_check_preempt+0xdf/0x210
[ 196.391879][ C1] irqentry_exit+0x67/0x70
[ 196.396306][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 196.402306][ C1] RIP: 0010:gc_worker+0x284/0x14a0
[ 196.407434][ C1] Code: e8 71 cf a8 f8 48 8d 05 00 00 00 00 48 c7 c7 e0 20 f3 8d 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 48 89 84 24 90 00 00 00 <50> e8 86 48 9f f8 48 83 c4 08 e8 ed c0 c9 01 89 c3 31 ff 89 c6 e8
[ 196.427047][ C1] RSP: 0018:ffffc9000131fa60 EFLAGS: 00000246
[ 196.433138][ C1] RAX: ffffffff88c95066 RBX: 0000000000006c00 RCX: 0000000000000002
[ 196.441129][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8df320e0
[ 196.449105][ C1] RBP: ffffc9000131fbb0 R08: 0000000000000000 R09: 0000000000000000
[ 196.457080][ C1] R10: dffffc0000000000 R11: fffffbfff1ed8b5e R12: 000000000000d80f
[ 196.465064][ C1] R13: dffffc0000000000 R14: 0000000000040000 R15: 0000000000006c08
[ 196.473047][ C1] ? gc_worker+0x266/0x14a0
[ 196.477617][ C1] ? gc_worker+0x266/0x14a0
[ 196.482135][ C1] ? init_conntrack+0xe20/0xe20
[ 196.487001][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 196.492234][ C1] ? process_scheduled_works+0x975/0x1600
[ 196.497962][ C1] ? process_scheduled_works+0x975/0x1600
[ 196.503689][ C1] process_scheduled_works+0xa60/0x1600
[ 196.509254][ C1] ? worker_attach_to_pool+0x370/0x370
[ 196.514746][ C1] ? assign_work+0x3cc/0x5d0
[ 196.519344][ C1] worker_thread+0xa5e/0xfe0
[ 196.523971][ C1] ? _raw_spin_unlock+0x40/0x40
[ 196.528838][ C1] ? __kthread_parkme+0x71/0x1c0
[ 196.533791][ C1] kthread+0x2fa/0x390
[ 196.537886][ C1] ? pr_cont_work+0x550/0x550
[ 196.542573][ C1] ? kthread_blkcg+0xd0/0xd0
[ 196.547187][ C1] ret_from_fork+0x48/0x80
[ 196.551616][ C1] ? kthread_blkcg+0xd0/0xd0
[ 196.556218][ C1] ret_from_fork_asm+0x11/0x20
[ 196.561042][ C1]
[ 196.564071][ C1] rcu: rcu_preempt kthread starved for 10572 jiffies! g9329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 196.575178][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 196.585146][ C1] rcu: RCU grace-period kthread stack dump:
[ 196.591037][ C1] task:rcu_preempt state:R running task stack:26856 pid:17 ppid:2 flags:0x00004000
[ 196.601830][ C1] Call Trace:
[ 196.605122][ C1]
[ 196.608075][ C1] __schedule+0x15ae/0x4660
[ 196.612628][ C1] ? lock_chain_count+0x20/0x20
[ 196.617510][ C1] ? _raw_spin_unlock_irqrestore+0xc5/0x120
[ 196.623418][ C1] ? asan.module_dtor+0x20/0x20
[ 196.628275][ C1] ? rcu_is_watching+0x15/0xb0
[ 196.633081][ C1] schedule+0xbd/0x170
[ 196.637191][ C1] schedule_timeout+0x188/0x2d0
[ 196.642056][ C1] ? console_conditional_schedule+0x40/0x40
[ 196.647969][ C1] ? update_process_times+0x1b0/0x1b0
[ 196.653346][ C1] ? prepare_to_swait_event+0x344/0x360
[ 196.658898][ C1] rcu_gp_fqs_loop+0x30d/0x1590
[ 196.663757][ C1] ? rcu_gp_kthread+0x3b0/0x3b0
[ 196.668607][ C1] ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[ 196.674604][ C1] ? __lock_acquire+0x7eb0/0x7eb0
[ 196.679635][ C1] ? rcu_gp_init+0x1530/0x1530
[ 196.684404][ C1] ? rcu_gp_cleanup+0xade/0xc30
[ 196.689262][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 196.694477][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 196.699686][ C1] rcu_gp_kthread+0x9d/0x3b0
[ 196.704305][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 196.709427][ C1] ? __kthread_parkme+0x71/0x1c0
[ 196.714370][ C1] ? __kthread_parkme+0x15b/0x1c0
[ 196.719421][ C1] kthread+0x2fa/0x390
[ 196.723495][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 196.728625][ C1] ? kthread_blkcg+0xd0/0xd0
[ 196.733229][ C1] ret_from_fork+0x48/0x80
[ 196.737660][ C1] ? kthread_blkcg+0xd0/0xd0
[ 196.742273][ C1] ret_from_fork_asm+0x11/0x20
[ 196.747061][ C1]
[ 196.750113][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 196.756444][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 196.761668][ C0] NMI backtrace for cpu 0
[ 196.761692][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
[ 196.761707][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 196.761717][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10
[ 196.761741][ C0] Code: 99 17 02 c3 cc cc cc cc cc cc cc f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 66 90 0f 00 2d 13 39 35 00 fb f4 66 0f 1f 00 55 41 57 41 56 41 54 53 50 8b 2f eb 2c 89 cb 80 f9
[ 196.761754][ C0] RSP: 0018:ffffffff8dc07d80 EFLAGS: 000002c6
[ 196.761769][ C0] RAX: a7e97f98b132b300 RBX: ffffffff81631e31 RCX: a7e97f98b132b300
[ 196.761781][ C0] RDX: 0000000000000001 RSI: ffffffff8acacfe0 RDI: ffffffff8b1d5160
[ 196.761792][ C0] RBP: ffffffff8dc07eb8 R08: ffff8880b8c36b6b R09: 1ffff11017186d6d
[ 196.761804][ C0] R10: dffffc0000000000 R11: ffffed1017186d6e R12: 1ffffffff1b80fbc
[ 196.761816][ C0] R13: dffffc0000000000 R14: 1ffffffff1b92688 R15: 0000000000000000
[ 196.761827][ C0] FS: 0000000000000000(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
[ 196.761841][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 196.761852][ C0] CR2: 0000200000000380 CR3: 000000002bfdc000 CR4: 00000000003506f0
[ 196.761867][ C0] Call Trace:
[ 196.761874][ C0]
[ 196.761879][ C0] default_idle+0x13/0x20
[ 196.761910][ C0] default_idle_call+0x6c/0xa0
[ 196.761932][ C0] do_idle+0x221/0x5c0
[ 196.761957][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 196.761983][ C0] ? do_idle+0x590/0x5c0
[ 196.762004][ C0] cpu_startup_entry+0x43/0x60
[ 196.762025][ C0] rest_init+0x2e2/0x300
[ 196.762046][ C0] ? time_init+0x40/0x40
[ 196.762064][ C0] arch_call_rest_init+0xe/0x10
[ 196.762085][ C0] start_kernel+0x461/0x4e0
[ 196.762105][ C0] x86_64_start_reservations+0x2a/0x30
[ 196.762123][ C0] x86_64_start_kernel+0x60/0x60
[ 196.762139][ C0] secondary_startup_64_no_verify+0x179/0x17b
[ 196.762170][ C0]