Warning: Permanently added '10.128.0.200' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[ 219.962954][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 219.970739][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4299/1:b..l
[ 219.981747][ C0] (detected by 0, t=10503 jiffies, g=8301, q=150 ncpus=2)
[ 219.989633][ C0] task:syz-executor136 state:R running task stack:26288 pid:4299 ppid:4297 flags:0x00004002
[ 220.001273][ C0] Call Trace:
[ 220.004683][ C0]
[ 220.007816][ C0] __schedule+0x107f/0x4030
[ 220.013824][ C0] ? verify_lock_unused+0x140/0x140
[ 220.020507][ C0] ? __sched_text_start+0x8/0x8
[ 220.025689][ C0] ? lock_chain_count+0x20/0x20
[ 220.030682][ C0] ? preempt_schedule_irq+0xb0/0x160
[ 220.037016][ C0] preempt_schedule_irq+0xbb/0x160
[ 220.043067][ C0] ? preempt_schedule_notrace+0x120/0x120
[ 220.049719][ C0] ? rcu_irq_exit_check_preempt+0xdb/0x210
[ 220.057247][ C0] irqentry_exit+0x63/0x70
[ 220.062422][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 220.069433][ C0] RIP: 0010:rcu_is_watching+0x4/0xa0
[ 220.075779][ C0] Code: 92 27 c4 08 48 c7 c7 60 46 b3 8c 4c 89 f6 e8 b3 e3 d0 02 e9 44 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 <53> 65 ff 05 8c 4c 96 7e e8 0f 3c c4 08 89 c3 83 f8 08 73 60 49 bf
[ 220.099836][ C0] RSP: 0018:ffffc90003f27ec0 EFLAGS: 00000202
[ 220.106045][ C0] RAX: ffffffff8155f89a RBX: ffff88807e40a640 RCX: 0000000000000000
[ 220.114352][ C0] RDX: ffff8880206d8000 RSI: 0000000000000001 RDI: 0000000000000000
[ 220.122821][ C0] RBP: 00000000000010cb R08: dffffc0000000000 R09: 1ffffffff2162048
[ 220.132569][ C0] R10: dffffc0000000000 R11: fffffbfff2162049 R12: ffff88807e40a718
[ 220.141464][ C0] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[ 220.149668][ C0] ? __task_pid_nr_ns+0x30a/0x460
[ 220.154928][ C0] __task_pid_nr_ns+0x314/0x460
[ 220.160169][ C0] ? __task_pid_nr_ns+0x24/0x460
[ 220.165341][ C0] __ia32_sys_getpid+0x19/0x20
[ 220.171218][ C0] do_syscall_64+0x4c/0xa0
[ 220.177470][ C0] ? clear_bhb_loop+0x60/0xb0
[ 220.182210][ C0] ? clear_bhb_loop+0x60/0xb0
[ 220.187626][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 220.194616][ C0] RIP: 0033:0x7ff077a65077
[ 220.199334][ C0] RSP: 002b:00007ffec716b908 EFLAGS: 00000202 ORIG_RAX: 0000000000000027
[ 220.209017][ C0] RAX: ffffffffffffffda RBX: 00007ffec716ba70 RCX: 00007ff077a65077
[ 220.217412][ C0] RDX: 00007ffec716b940 RSI: 00007ffec716ba70 RDI: 0000000000000021
[ 220.225811][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 220.234238][ C0] R10: 001e1693921c4480 R11: 0000000000000202 R12: 0000000000000005
[ 220.242593][ C0] R13: 00007ff077b15b20 R14: 00007ff077b15b2c R15: 00000000000003e8
[ 220.250816][ C0]
[ 220.253866][ C0] rcu: rcu_preempt kthread starved for 10531 jiffies! g8301 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
[ 220.265623][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 220.275621][ C0] rcu: RCU grace-period kthread stack dump:
[ 220.281526][ C0] task:rcu_preempt state:I stack:27840 pid:16 ppid:2 flags:0x00004000
[ 220.291365][ C0] Call Trace:
[ 220.294690][ C0]
[ 220.297647][ C0] __schedule+0x107f/0x4030
[ 220.302566][ C0] ? debug_objects_fill_pool+0x87/0x780
[ 220.308774][ C0] ? __sched_text_start+0x8/0x8
[ 220.313773][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 220.319803][ C0] ? lock_chain_count+0x20/0x20
[ 220.324706][ C0] ? preempt_schedule+0xbc/0xd0
[ 220.329606][ C0] preempt_schedule_common+0x82/0xd0
[ 220.334937][ C0] preempt_schedule+0xbc/0xd0
[ 220.339878][ C0] ? schedule_preempt_disabled+0x20/0x20
[ 220.345829][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 220.352165][ C0] preempt_schedule_thunk+0x16/0x18
[ 220.358214][ C0] _raw_spin_unlock_irqrestore+0x10d/0x120
[ 220.365113][ C0] ? _raw_spin_unlock+0x40/0x40
[ 220.370372][ C0] ? __debug_object_init+0xed/0x440
[ 220.375923][ C0] schedule_timeout+0x12d/0x2d0
[ 220.381253][ C0] ? console_conditional_schedule+0x40/0x40
[ 220.387298][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 220.393730][ C0] ? prepare_to_swait_event+0x340/0x360
[ 220.399325][ C0] rcu_gp_fqs_loop+0x303/0x1350
[ 220.404601][ C0] ? rcu_gp_kthread+0x3b0/0x3b0
[ 220.409497][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 220.415681][ C0] ? __lock_acquire+0x7c40/0x7c40
[ 220.421637][ C0] ? rcu_gp_init+0x14f0/0x14f0
[ 220.426813][ C0] ? rcu_gp_cleanup+0xade/0xc30
[ 220.431830][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 220.437786][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 220.443035][ C0] rcu_gp_kthread+0x99/0x3b0
[ 220.447663][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 220.452891][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 220.459003][ C0] ? __kthread_parkme+0x71/0x1c0
[ 220.464144][ C0] ? __kthread_parkme+0x15b/0x1c0
[ 220.469457][ C0] kthread+0x29d/0x330
[ 220.474031][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 220.479797][ C0] ? kthread_blkcg+0xd0/0xd0
[ 220.484444][ C0] ret_from_fork+0x1f/0x30
[ 220.488902][ C0]
[ 220.492427][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 220.499488][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 220.504929][ C1] NMI backtrace for cpu 1
[ 220.504952][ C1] CPU: 1 PID: 52 Comm: kworker/1:1H Not tainted syzkaller #0
[ 220.504966][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 220.504981][ C1] Workqueue: kblockd blk_mq_timeout_work
[ 220.505003][ C1] RIP: 0010:kasan_check_range+0x80/0x290
[ 220.505026][ C1] Code: ff 4d 89 c1 49 c1 e9 03 4b 8d 1c 21 49 89 df 4d 29 df 49 83 ff 10 7f 29 4d 85 ff 0f 84 38 01 00 00 4c 89 cb 48 f7 d3 4c 01 f3 <41> 80 3b 00 0f 85 86 01 00 00 49 ff c3 48 ff c3 75 ee e9 18 01 00
[ 220.505038][ C1] RSP: 0018:ffffc900001e0b78 EFLAGS: 00000086
[ 220.505049][ C1] RAX: 1ffffffff18cbf01 RBX: ffffffffffffffff RCX: ffffffff81594e5a
[ 220.505060][ C1] RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc900001e0be8
[ 220.505069][ C1] RBP: 0000000000000000 R08: ffffc900001e0bf7 R09: 1ffff9200003c17e
[ 220.505079][ C1] R10: dffffc0000000000 R11: fffff5200003c17e R12: dffffc0000000001
[ 220.505089][ C1] R13: ffff8880206c0014 R14: 1ffff9200003c17d R15: 0000000000000002
[ 220.505099][ C1] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 220.505123][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 220.505133][ C1] CR2: 0000200000000058 CR3: 0000000077ab6000 CR4: 00000000003506e0
[ 220.505145][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 220.505154][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 220.505162][ C1] Call Trace:
[ 220.505170][ C1]
[ 220.505177][ C1] memset+0x1e/0x40
[ 220.505192][ C1] try_to_wake_up+0x4ba/0x10b0
[ 220.505215][ C1] complete_signal+0x806/0xc50
[ 220.505240][ C1] send_sigqueue+0x380/0x5e0
[ 220.505260][ C1] ? send_sigqueue+0x95/0x5e0
[ 220.505282][ C1] posix_timer_fn+0x149/0x350
[ 220.505300][ C1] __hrtimer_run_queues+0x522/0xc90
[ 220.505323][ C1] ? ktime_get_update_offsets_now+0x95/0x3e0
[ 220.505343][ C1] ? common_timer_wait_running+0x10/0x10
[ 220.505362][ C1] ? hrtimer_interrupt+0x980/0x980
[ 220.505378][ C1] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 220.505400][ C1] hrtimer_interrupt+0x399/0x980
[ 220.505425][ C1] __sysvec_apic_timer_interrupt+0x153/0x5a0
[ 220.505447][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 220.505465][ C1]
[ 220.505469][ C1]
[ 220.505473][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 220.505494][ C1] RIP: 0010:finish_task_switch+0x267/0x8e0
[ 220.505513][ C1] Code: d6 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 d3 e3 e0 08 e8 8e 04 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
[ 220.505524][ C1] RSP: 0018:ffffc90000bd75c0 EFLAGS: 00000282
[ 220.505535][ C1] RAX: f03a91c3b1cb8000 RBX: 0000000000000000 RCX: f03a91c3b1cb8000
[ 220.505544][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf42e0
[ 220.505555][ C1] RBP: ffffc90000bd7610 R08: ffffffff90b102a7 R09: 1ffffffff2162054
[ 220.505565][ C1] R10: dffffc0000000000 R11: fffffbfff2162055 R12: ffff8880192cbc00
[ 220.505576][ C1] R13: 1ffff110171e76fa R14: dffffc0000000000 R15: ffff8880b8f3b7d0
[ 220.505597][ C1] __schedule+0x1087/0x4030
[ 220.505626][ C1] ? __sched_text_start+0x8/0x8
[ 220.505645][ C1] ? lock_chain_count+0x20/0x20
[ 220.505665][ C1] ? preempt_schedule_irq+0xb0/0x160
[ 220.505686][ C1] preempt_schedule_irq+0xbb/0x160
[ 220.505705][ C1] ? preempt_schedule_notrace+0x120/0x120
[ 220.505728][ C1] ? rcu_irq_exit_check_preempt+0xdb/0x210
[ 220.505750][ C1] irqentry_exit+0x63/0x70
[ 220.505764][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 220.505782][ C1] RIP: 0010:blk_mq_queue_tag_busy_iter+0x2db/0x7e0
[ 220.505801][ C1] Code: a0 01 00 00 00 00 00 00 48 8b 44 24 18 48 8d 78 48 48 89 7c 24 20 48 c7 c2 ff ff ff ff b9 08 00 00 00 e8 a8 7a 26 06 48 85 c0 <0f> 84 ff 02 00 00 49 89 c6 48 8d 84 24 b0 00 00 00 48 83 c0 21 48
[ 220.505811][ C1] RSP: 0018:ffffc90000bd7920 EFLAGS: 00000286
[ 220.505822][ C1] RAX: ffff8880258bc800 RBX: 0000000000000000 RCX: ffff8880192cbc00
[ 220.505831][ C1] RDX: 0000000000000000 RSI: ffffffff8a8c2920 RDI: ffffffff8adf42e0
[ 220.505841][ C1] RBP: ffffc90000bd7b30 R08: ffffffff8e2121af R09: 1ffffffff1c42435
[ 220.505851][ C1] R10: dffffc0000000000 R11: fffffbfff1c42436 R12: dffffc0000000000
[ 220.505861][ C1] R13: 1ffff9200017af2c R14: ffff888019f241f8 R15: ffff888019f24250
[ 220.505882][ C1] ? percpu_ref_tryget+0x250/0x250
[ 220.505897][ C1] ? blk_mq_tagset_count_completed_rqs+0xa0/0xa0
[ 220.505921][ C1] ? percpu_ref_tryget+0x1c/0x250
[ 220.505937][ C1] ? __lock_acquire+0x7c40/0x7c40
[ 220.505960][ C1] ? percpu_ref_tryget+0x1c/0x250
[ 220.505975][ C1] ? percpu_ref_tryget+0x1c/0x250
[ 220.505993][ C1] blk_mq_timeout_work+0x103/0x380
[ 220.506009][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 220.506028][ C1] ? blk_mq_realloc_hw_ctxs+0x420/0x420
[ 220.506044][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 220.506060][ C1] ? _raw_spin_unlock+0x40/0x40
[ 220.506076][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 220.506092][ C1] ? process_one_work+0x7b4/0x1160
[ 220.506109][ C1] process_one_work+0x8ab/0x1160
[ 220.506132][ C1] ? worker_detach_from_pool+0x240/0x240
[ 220.506150][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 220.506165][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 220.506182][ C1] ? wq_worker_running+0x97/0x190
[ 220.506205][ C1] worker_thread+0xaf5/0x12a0
[ 220.506227][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 220.506249][ C1] kthread+0x29d/0x330
[ 220.506260][ C1] ? worker_clr_flags+0x1a0/0x1a0
[ 220.506276][ C1] ? kthread_blkcg+0xd0/0xd0
[ 220.506294][ C1] ret_from_fork+0x1f/0x30
[ 220.506324][ C1]
[ 220.506334][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.411 msecs
[ 220.896245][ T4304] sched: RT throttling activated