Warning: Permanently added '10.128.0.192' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[ 191.371080][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 191.378338][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5791/1:b..l
[ 191.386655][ C0] rcu: (detected by 0, t=10503 jiffies, g=9037, q=33 ncpus=2)
[ 191.395156][ C0] task:udevd state:R running task stack:27592 pid:5791 ppid:5160 flags:0x00004002
[ 191.406959][ C0] Call Trace:
[ 191.410294][ C0]
[ 191.413391][ C0] __schedule+0x14d2/0x44d0
[ 191.417978][ C0] ? __lock_acquire+0x1260/0x7c80
[ 191.423074][ C0] ? asan.module_dtor+0x20/0x20
[ 191.427991][ C0] ? mark_lock+0x94/0x320
[ 191.432476][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 191.438536][ C0] ? preempt_schedule_irq+0xaa/0x140
[ 191.444072][ C0] preempt_schedule_irq+0xb5/0x140
[ 191.449325][ C0] ? preempt_schedule_notrace+0x110/0x110
[ 191.455498][ C0] ? wp_page_reuse+0x4a9/0x8b0
[ 191.460435][ C0] ? rcu_irq_exit_check_preempt+0xdf/0x210
[ 191.466313][ C0] irqentry_exit+0x67/0x70
[ 191.470796][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 191.476890][ C0] RIP: 0010:lock_is_held_type+0x13e/0x190
[ 191.482689][ C0] Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
[ 191.502533][ C0] RSP: 0000:ffffc900044bfb38 EFLAGS: 00000206
[ 191.508664][ C0] RAX: 7b4d73177b356000 RBX: ffff88806a1abc00 RCX: 7b4d73177b356000
[ 191.516770][ C0] RDX: 0000000000000000 RSI: ffffffff8aaace60 RDI: ffffffff8afc6b00
[ 191.524804][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: 1ffffffff21b50a0
[ 191.533014][ C0] R10: dffffc0000000000 R11: fffffbfff21b50a1 R12: 0000000000000002
[ 191.541384][ C0] R13: 0000000000000246 R14: ffffffff8cd598b8 R15: ffff88806a1ac730
[ 191.549704][ C0] mem_cgroup_from_task+0x77/0x110
[ 191.554885][ C0] count_memcg_event_mm+0x19a/0x3b0
[ 191.560145][ C0] ? folio_put+0xd0/0xd0
[ 191.564714][ C0] ? count_memcg_event_mm+0x93/0x3b0
[ 191.570522][ C0] ? put_page+0x270/0x270
[ 191.575006][ C0] ? __rwlock_init+0x150/0x150
[ 191.579830][ C0] ? handle_mm_fault+0xd1/0x4920
[ 191.584875][ C0] handle_mm_fault+0x2857/0x4920
[ 191.589995][ C0] ? handle_mm_fault+0xd1/0x4920
[ 191.595296][ C0] ? lock_vma_under_rcu+0x526/0x650
[ 191.600832][ C0] ? numa_migrate_prep+0x350/0x350
[ 191.606219][ C0] ? do_user_addr_fault+0x1c3/0x12e0
[ 191.611571][ C0] do_user_addr_fault+0xad0/0x12e0
[ 191.616930][ C0] ? rcu_is_watching+0x15/0xb0
[ 191.621959][ C0] exc_page_fault+0x67/0x110
[ 191.627535][ C0] asm_exc_page_fault+0x26/0x30
[ 191.632696][ C0] RIP: 0033:0x7fbce2ddedd9
[ 191.637541][ C0] RSP: 002b:00007ffe136da0e0 EFLAGS: 00010246
[ 191.644749][ C0] RAX: 00007fbce2f17b20 RBX: 0000000000001010 RCX: 0000000000000040
[ 191.653477][ C0] RDX: 0000560274865a00 RSI: 00007fbce2f18140 RDI: 00005602748649f0
[ 191.662350][ C0] RBP: 00007fbce2f17ac0 R08: 00000000000000ff R09: 0000000000000000
[ 191.670841][ C0] R10: 00007fbce2f17b50 R11: 000000000000000c R12: 0000000000001000
[ 191.678922][ C0] R13: 00005602748649f0 R14: 0000000000001050 R15: 00007fbce2f17b20
[ 191.687061][ C0]
[ 191.690273][ C0] rcu: rcu_preempt kthread starved for 10533 jiffies! g9037 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 191.702128][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 191.712420][ C0] rcu: RCU grace-period kthread stack dump:
[ 191.718606][ C0] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000
[ 191.730164][ C0] Call Trace:
[ 191.733575][ C0]
[ 191.736563][ C0] __schedule+0x14d2/0x44d0
[ 191.741364][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 191.747405][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 191.752941][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 191.759725][ C0] ? asan.module_dtor+0x20/0x20
[ 191.764770][ C0] ? enqueue_timer+0x225/0x530
[ 191.769619][ C0] ? __mod_timer+0x984/0xdb0
[ 191.774371][ C0] schedule+0xbd/0x170
[ 191.778596][ C0] schedule_timeout+0x160/0x280
[ 191.783501][ C0] ? console_conditional_schedule+0x40/0x40
[ 191.789461][ C0] ? update_process_times+0x1b0/0x1b0
[ 191.794992][ C0] ? prepare_to_swait_event+0x339/0x360
[ 191.800708][ C0] rcu_gp_fqs_loop+0x302/0x1560
[ 191.806529][ C0] ? rcu_gp_init+0x110e/0x1510
[ 191.811549][ C0] ? rcu_gp_kthread+0x380/0x380
[ 191.816745][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 191.823490][ C0] ? rcu_gp_init+0x1510/0x1510
[ 191.829230][ C0] ? rcu_gp_cleanup+0xb4c/0xca0
[ 191.835045][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 191.840565][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 191.846108][ C0] rcu_gp_kthread+0x99/0x380
[ 191.851579][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 191.857414][ C0] ? __kthread_parkme+0x7a/0x1c0
[ 191.862829][ C0] ? __kthread_parkme+0x162/0x1c0
[ 191.868669][ C0] kthread+0x2fa/0x390
[ 191.873687][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 191.880134][ C0] ? kthread_blkcg+0xd0/0xd0
[ 191.886400][ C0] ret_from_fork+0x48/0x80
[ 191.891925][ C0] ? kthread_blkcg+0xd0/0xd0
[ 191.898277][ C0] ret_from_fork_asm+0x11/0x20
[ 191.903826][ C0]
[ 191.907051][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 191.913827][ C0] CPU: 0 PID: 5798 Comm: syz-executor326 Not tainted syzkaller #0
[ 191.922313][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 191.934269][ C0] RIP: 0010:lock_is_held_type+0x13e/0x190
[ 191.940564][ C0] Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
[ 191.963860][ C0] RSP: 0018:ffffc9000456fb38 EFLAGS: 00000206
[ 191.970643][ C0] RAX: 966e4a683c209e00 RBX: ffff88802ebf5a00 RCX: 966e4a683c209e00
[ 191.980106][ C0] RDX: 0000000000000000 RSI: ffffffff8aaace60 RDI: ffffffff8afc6b00
[ 191.989759][ C0] RBP: 0000000000000000 R08: ffffc9000456fe5f R09: 0000000000000000
[ 191.998700][ C0] R10: ffffc9000456fd60 R11: fffff520008adfcc R12: dffffc0000000000
[ 192.007519][ C0] R13: 0000000000000246 R14: ffffffff8cd2ff40 R15: 00000000ffffffff
[ 192.016779][ C0] FS: 00007f8f228326c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 192.027798][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 192.036459][ C0] CR2: 00007f8f22831f80 CR3: 000000002e2ac000 CR4: 00000000003506f0
[ 192.045061][ C0] Call Trace:
[ 192.048760][ C0]
[ 192.051939][ C0] __might_resched+0xa7/0x610
[ 192.056689][ C0] ? __might_fault+0xaa/0x120
[ 192.061427][ C0] ? __might_sleep+0xe0/0xe0
[ 192.066281][ C0] ? restore_altstack+0x2c5/0x4a0
[ 192.071730][ C0] ? __ia32_sys_sigaltstack+0x270/0x270
[ 192.077450][ C0] __might_fault+0x71/0x120
[ 192.082365][ C0] _copy_from_user+0x2a/0xe0
[ 192.087293][ C0] __ia32_sys_rt_sigreturn+0x27a/0x7b0
[ 192.093577][ C0] ? x64_setup_rt_frame+0xcd0/0xcd0
[ 192.099411][ C0] ? lock_chain_count+0x20/0x20
[ 192.104610][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 192.110131][ C0] do_syscall_64+0x55/0xb0
[ 192.114797][ C0] ? clear_bhb_loop+0x40/0x90
[ 192.119613][ C0] ? clear_bhb_loop+0x40/0x90
[ 192.125013][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 192.132207][ C0] RIP: 0033:0x7f8f22844aa9
[ 192.136766][ C0] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 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 04 25
[ 192.157044][ C0] RSP: 002b:00007f8f22831bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000000f
[ 192.165613][ C0] RAX: ffffffffffffffda RBX: 00007f8f228fc308 RCX: 00007f8f22844aa9
[ 192.173640][ C0] RDX: 00007f8f22831bc0 RSI: 00007f8f22831cf0 RDI: 0000000000000021
[ 192.181835][ C0] RBP: 00007f8f228fc300 R08: 0000000000000000 R09: 00007f8f228326c0
[ 192.190482][ C0] R10: 00007f8f228326c0 R11: 0000000000000202 R12: 00007f8f228fc30c
[ 192.199217][ C0] R13: 0000000000000000 R14: 00007ffc9d6d9f10 R15: 00007ffc9d6d9ff8
[ 192.207880][ C0]