Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts.
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[ 190.138794][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 190.145815][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5840/1:b..l P5863/1:b..l
[ 190.155072][ C1] rcu: (detected by 1, t=10502 jiffies, g=9029, q=3983 ncpus=2)
[ 190.162781][ C1] task:syz-executor535 state:R running task stack:25928 pid:5863 tgid:5846 ppid:5836 task_flags:0x40044c flags:0x00080800
[ 190.176512][ C1] Call Trace:
[ 190.179787][ C1]
[ 190.182713][ C1] __schedule+0x14bc/0x5000
[ 190.187279][ C1] ? __pfx___schedule+0x10/0x10
[ 190.192144][ C1] ? do_group_exit+0x21c/0x2d0
[ 190.196928][ C1] ? preempt_schedule_irq+0xaa/0x150
[ 190.202228][ C1] preempt_schedule_irq+0xb5/0x150
[ 190.207350][ C1] ? __pfx_preempt_schedule_irq+0x10/0x10
[ 190.213090][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.218726][ C1] ? rcu_irq_exit_check_preempt+0xdf/0x210
[ 190.224553][ C1] irqentry_exit+0x5d8/0x660
[ 190.229165][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 190.235148][ C1] RIP: 0010:lock_acquire+0x16c/0x340
[ 190.240438][ C1] Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 14 85 da 10 <48> 3b 44 24 58 0f 85 e5 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
[ 190.260039][ C1] RSP: 0018:ffffc900040aef78 EFLAGS: 00000206
[ 190.266104][ C1] RAX: 77e25cafb9673a00 RBX: 0000000000000000 RCX: 77e25cafb9673a00
[ 190.274076][ C1] RDX: 0000000056ae8038 RSI: ffffffff8d96873e RDI: ffffffff8bbffbe0
[ 190.282041][ C1] RBP: ffffffff8173ef25 R08: ffffffff8173ef25 R09: ffffffff8df41cc0
[ 190.290008][ C1] R10: dffffc0000000000 R11: ffffffff81ad4ad0 R12: 0000000000000002
[ 190.297976][ C1] R13: ffffffff8df41cc0 R14: 0000000000000000 R15: 0000000000000246
[ 190.305946][ C1] ? unwind_next_frame+0xa5/0x2390
[ 190.311070][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 190.317235][ C1] ? unwind_next_frame+0xa5/0x2390
[ 190.322359][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.327994][ C1] ? unwind_next_frame+0xa5/0x2390
[ 190.333106][ C1] ? debug_object_activate+0x498/0x540
[ 190.338586][ C1] ? unwind_next_frame+0xa5/0x2390
[ 190.343695][ C1] unwind_next_frame+0xc2/0x2390
[ 190.348629][ C1] ? unwind_next_frame+0xa5/0x2390
[ 190.353746][ C1] ? unwind_next_frame+0xa5/0x2390
[ 190.358857][ C1] ? fill_pool+0x100/0x570
[ 190.363283][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 190.369446][ C1] arch_stack_walk+0x11c/0x150
[ 190.374232][ C1] ? debug_object_activate+0x498/0x540
[ 190.379706][ C1] stack_trace_save+0x9c/0xe0
[ 190.384392][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 190.389779][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.395410][ C1] ? stack_depot_save_flags+0x40/0x850
[ 190.400886][ C1] kasan_save_track+0x3e/0x80
[ 190.405570][ C1] ? kasan_save_track+0x3e/0x80
[ 190.410428][ C1] ? __kasan_slab_alloc+0x6c/0x80
[ 190.415462][ C1] ? kmem_cache_alloc_noprof+0x367/0x6f0
[ 190.421106][ C1] ? fill_pool+0x100/0x570
[ 190.425524][ C1] ? debug_object_activate+0x498/0x540
[ 190.431039][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.436674][ C1] __kasan_slab_alloc+0x6c/0x80
[ 190.441540][ C1] kmem_cache_alloc_noprof+0x367/0x6f0
[ 190.447000][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 190.452379][ C1] ? fill_pool+0x100/0x570
[ 190.456806][ C1] fill_pool+0x100/0x570
[ 190.461057][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.466690][ C1] ? __pfx_fill_pool+0x10/0x10
[ 190.471461][ C1] ? exit_mm+0x1da/0x2c0
[ 190.475707][ C1] ? do_group_exit+0x21c/0x2d0
[ 190.480477][ C1] ? arch_do_signal_or_restart+0x9a/0x7a0
[ 190.486203][ C1] ? do_syscall_64+0x2e3/0xf80
[ 190.490974][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.497043][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 190.503199][ C1] ? debug_object_activate+0x46f/0x540
[ 190.508659][ C1] debug_object_activate+0x498/0x540
[ 190.513953][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 190.520105][ C1] call_rcu+0xaa/0x9c0
[ 190.524204][ C1] ? __pfx_call_rcu+0x10/0x10
[ 190.528912][ C1] kmem_cache_free+0x488/0x620
[ 190.533681][ C1] ? exit_mmap+0x532/0xb20
[ 190.538108][ C1] exit_mmap+0x532/0xb20
[ 190.542355][ C1] ? uprobe_clear_state+0x20f/0x290
[ 190.547549][ C1] ? __pfx_exit_mmap+0x10/0x10
[ 190.552315][ C1] ? __mutex_unlock_slowpath+0x1a1/0x730
[ 190.557971][ C1] ? __pfx_exit_aio+0x10/0x10
[ 190.562670][ C1] ? uprobe_clear_state+0x27c/0x290
[ 190.567872][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.573515][ C1] __mmput+0x118/0x430
[ 190.577590][ C1] exit_mm+0x1da/0x2c0
[ 190.581671][ C1] ? __pfx_exit_mm+0x10/0x10
[ 190.586284][ C1] do_exit+0x658/0x2310
[ 190.590455][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.596090][ C1] ? do_raw_spin_lock+0x121/0x290
[ 190.601133][ C1] ? __pfx_do_exit+0x10/0x10
[ 190.605753][ C1] do_group_exit+0x21c/0x2d0
[ 190.610350][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.615981][ C1] ? lockdep_hardirqs_on+0x98/0x140
[ 190.621194][ C1] get_signal+0x1285/0x1340
[ 190.625717][ C1] arch_do_signal_or_restart+0x9a/0x7a0
[ 190.631276][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 190.637449][ C1] ? exit_to_user_mode_loop+0x55/0x4f0
[ 190.642909][ C1] exit_to_user_mode_loop+0x87/0x4f0
[ 190.648189][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.653818][ C1] ? rcu_is_watching+0x15/0xb0
[ 190.658588][ C1] do_syscall_64+0x2e3/0xf80
[ 190.663188][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.669249][ C1] ? __switch_to_asm+0x39/0x70
[ 190.674016][ C1] ? __switch_to_asm+0x33/0x70
[ 190.678796][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.684686][ C1] RIP: 0033:0x7f713a3021f9
[ 190.689096][ C1] RSP: 002b:00007f713a291218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[ 190.697510][ C1] RAX: fffffffffffffe00 RBX: 00007f713a3853f8 RCX: 00007f713a3021f9
[ 190.705478][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f713a3853f8
[ 190.713444][ C1] RBP: 00007f713a3853f0 R08: 0000000000000000 R09: 0000000000000000
[ 190.721409][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f713a3522a4
[ 190.729376][ C1] R13: 00002000000000c0 R14: 0000200000000080 R15: 0000200000000100
[ 190.737366][ C1]
[ 190.740379][ C1] task:udevd state:R running task stack:26912 pid:5840 tgid:5840 ppid:5200 task_flags:0x40014c flags:0x00080000
[ 190.753891][ C1] Call Trace:
[ 190.757158][ C1]
[ 190.760087][ C1] __schedule+0x14bc/0x5000
[ 190.764615][ C1] ? __lock_acquire+0x6b6/0x2cf0
[ 190.769556][ C1] ? __lock_acquire+0x6b6/0x2cf0
[ 190.774492][ C1] ? __pfx___schedule+0x10/0x10
[ 190.779350][ C1] ? do_raw_spin_lock+0x121/0x290
[ 190.784390][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 190.789778][ C1] ? preempt_schedule+0xae/0xc0
[ 190.794633][ C1] preempt_schedule_common+0x83/0xd0
[ 190.799928][ C1] preempt_schedule+0xae/0xc0
[ 190.804608][ C1] ? __pfx_preempt_schedule+0x10/0x10
[ 190.809995][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.815640][ C1] preempt_schedule_thunk+0x16/0x30
[ 190.820874][ C1] _raw_spin_unlock+0x3f/0x50
[ 190.825566][ C1] unmap_page_range+0x3a7f/0x4370
[ 190.830620][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.836271][ C1] ? __pfx_unmap_page_range+0x10/0x10
[ 190.841652][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.847282][ C1] ? mas_find+0xb0e/0xd30
[ 190.851616][ C1] ? unmap_vmas+0x144/0x580
[ 190.856118][ C1] unmap_vmas+0x399/0x580
[ 190.860443][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.866090][ C1] ? __pfx_unmap_vmas+0x10/0x10
[ 190.870964][ C1] exit_mmap+0x23b/0xb20
[ 190.875213][ C1] ? uprobe_clear_state+0x20f/0x290
[ 190.880412][ C1] ? __pfx_exit_mmap+0x10/0x10
[ 190.885182][ C1] ? __mutex_unlock_slowpath+0x1a1/0x730
[ 190.890838][ C1] ? __pfx_exit_aio+0x10/0x10
[ 190.895528][ C1] ? uprobe_clear_state+0x27c/0x290
[ 190.900721][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.906359][ C1] __mmput+0x118/0x430
[ 190.910428][ C1] exit_mm+0x1da/0x2c0
[ 190.914504][ C1] ? __pfx_exit_mm+0x10/0x10
[ 190.919102][ C1] ? hrtimer_try_to_cancel+0x3d9/0x420
[ 190.924576][ C1] do_exit+0x658/0x2310
[ 190.928746][ C1] ? count_memcg_event_mm+0x21/0x260
[ 190.934050][ C1] ? __pfx_do_exit+0x10/0x10
[ 190.938652][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.944291][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 190.949496][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.955129][ C1] ? lockdep_hardirqs_on+0x98/0x140
[ 190.960340][ C1] do_group_exit+0x21c/0x2d0
[ 190.964943][ C1] __x64_sys_exit_group+0x3f/0x40
[ 190.969975][ C1] x64_sys_call+0x2210/0x2210
[ 190.974656][ C1] do_syscall_64+0xfa/0xf80
[ 190.979178][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.985247][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 190.990883][ C1] ? exc_page_fault+0xab/0x100
[ 190.995655][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.001544][ C1] RIP: 0033:0x7f987faf16c5
[ 191.005952][ C1] RSP: 002b:00007ffdda19c2d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[ 191.014364][ C1] RAX: ffffffffffffffda RBX: 00005630d990cf60 RCX: 00007f987faf16c5
[ 191.022331][ C1] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000
[ 191.030292][ C1] RBP: 00005630d98ec910 R08: 0000000000000000 R09: 0000000000000000
[ 191.038253][ C1] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000
[ 191.046214][ C1] R13: 00007ffdda19c320 R14: 0000000000000000 R15: 0000000000000000
[ 191.054210][ C1]
[ 191.057230][ C1] rcu: rcu_preempt kthread starved for 10593 jiffies! g9029 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 191.068332][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 191.078291][ C1] rcu: RCU grace-period kthread stack dump:
[ 191.084167][ C1] task:rcu_preempt state:R running task stack:27704 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
[ 191.097695][ C1] Call Trace:
[ 191.100991][ C1]
[ 191.103916][ C1] __schedule+0x14bc/0x5000
[ 191.108445][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.114077][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 191.119973][ C1] ? __pfx___schedule+0x10/0x10
[ 191.124841][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.130481][ C1] ? schedule+0x91/0x360
[ 191.134736][ C1] schedule+0x165/0x360
[ 191.138903][ C1] schedule_timeout+0x12b/0x270
[ 191.143755][ C1] ? __pfx_schedule_timeout+0x10/0x10
[ 191.149131][ C1] ? __pfx_process_timeout+0x10/0x10
[ 191.154442][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.160078][ C1] ? prepare_to_swait_event+0x341/0x380
[ 191.165640][ C1] rcu_gp_fqs_loop+0x301/0x1540
[ 191.170505][ C1] ? __pfx_rcu_gp_init+0x10/0x10
[ 191.175446][ C1] ? lockdep_hardirqs_on+0x98/0x140
[ 191.180655][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 191.185941][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 191.191149][ C1] ? finish_swait+0xcd/0x1f0
[ 191.195751][ C1] rcu_gp_kthread+0x99/0x390
[ 191.200348][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 191.205546][ C1] ? __kthread_parkme+0x7b/0x200
[ 191.210484][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.216115][ C1] ? __kthread_parkme+0x1a1/0x200
[ 191.221145][ C1] kthread+0x711/0x8a0
[ 191.225226][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 191.230424][ C1] ? __pfx_kthread+0x10/0x10
[ 191.235014][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.240652][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 191.245850][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.251485][ C1] ? lockdep_hardirqs_on+0x98/0x140
[ 191.256687][ C1] ? __pfx_kthread+0x10/0x10
[ 191.261279][ C1] ret_from_fork+0x599/0xb30
[ 191.265868][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 191.270986][ C1] ? __switch_to_asm+0x39/0x70
[ 191.275760][ C1] ? __switch_to_asm+0x33/0x70
[ 191.280530][ C1] ? __pfx_kthread+0x10/0x10
[ 191.285127][ C1] ret_from_fork_asm+0x1a/0x30
[ 191.289920][ C1]
[ 191.292925][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 191.299233][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full)
[ 191.308159][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 191.318208][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 191.323937][ C1] Code: be 13 c4 f5 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 53 1d 1c 00 f3 0f 1e fa fb f4 93 13 c4 f5 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 191.343535][ C1] RSP: 0018:ffffc90000197de0 EFLAGS: 000002c6
[ 191.349600][ C1] RAX: 2094699d6aab8900 RBX: ffffffff8197438a RCX: 2094699d6aab8900
[ 191.357568][ C1] RDX: 0000000000000001 RSI: ffffffff8d781d94 RDI: ffffffff8bbffbe0
[ 191.365531][ C1] RBP: ffffc90000197f10 R08: ffff8880b893359b R09: 1ffff110171266b3
[ 191.373498][ C1] R10: dffffc0000000000 R11: ffffed10171266b4 R12: ffffffff8f811170
[ 191.381460][ C1] R13: 1ffff1100395cb70 R14: 0000000000000001 R15: 0000000000000001
[ 191.389423][ C1] FS: 0000000000000000(0000) GS:ffff888126195000(0000) knlGS:0000000000000000
[ 191.398343][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 191.404919][ C1] CR2: 00007f713a2b9a90 CR3: 00000000787c5000 CR4: 0000000000350ef0
[ 191.412890][ C1] Call Trace:
[ 191.416163][ C1]
[ 191.419086][ C1] default_idle+0x13/0x20
[ 191.423408][ C1] default_idle_call+0x73/0xb0
[ 191.428167][ C1] do_idle+0x1ea/0x520
[ 191.432238][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.437874][ C1] ? __pfx_do_idle+0x10/0x10
[ 191.442463][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.448095][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 191.453995][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 191.459626][ C1] ? complete+0xb1/0x1b0
[ 191.463874][ C1] cpu_startup_entry+0x44/0x60
[ 191.468634][ C1] start_secondary+0x101/0x110
[ 191.473406][ C1] common_startup_64+0x13e/0x147
[ 191.478359][ C1]