Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts.
executing program
executing program
[ 241.800904][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 241.807932][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5665/3:b..l..
[ 241.816584][ C1] rcu: (detected by 1, t=10502 jiffies, g=13389, q=3 ncpus=2)
[ 241.824195][ C1] task:syz-executor327 state:R running task stack:28168 pid:5665 tgid:5665 ppid:5660 task_flags:0x400040 flags:0x00080800
[ 241.837781][ C1] Call Trace:
[ 241.841134][ C1]
[ 241.844127][ C1] __schedule+0x17dd/0x5820
[ 241.848808][ C1] ? lock_acquire+0x115/0x350
[ 241.853554][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 241.859274][ C1] ? __pfx___schedule+0x10/0x10
[ 241.864141][ C1] ? do_raw_spin_lock+0x12b/0x2f0
[ 241.869180][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 241.874564][ C1] ? preempt_schedule_thunk+0x16/0x40
[ 241.880034][ C1] preempt_schedule_common+0x7f/0xd0
[ 241.885334][ C1] preempt_schedule_thunk+0x16/0x40
[ 241.890602][ C1] _raw_spin_unlock+0x41/0x50
[ 241.895379][ C1] filemap_map_pages+0x1aba/0x2170
[ 241.900587][ C1] ? filemap_map_pages+0x1d1/0x2170
[ 241.905837][ C1] ? __pfx_filemap_map_pages+0x10/0x10
[ 241.911327][ C1] ? lock_acquire+0x115/0x350
[ 241.916046][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 241.921714][ C1] ? lock_acquire+0x115/0x350
[ 241.926423][ C1] ? do_pte_missing+0x139f/0x3570
[ 241.931591][ C1] ? __pfx_filemap_map_pages+0x10/0x10
[ 241.937132][ C1] ? do_pte_missing+0x139f/0x3570
[ 241.942181][ C1] do_pte_missing+0x2067/0x3570
[ 241.947062][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 241.952715][ C1] ? handle_mm_fault+0xf1/0x3750
[ 241.957687][ C1] handle_mm_fault+0x1a53/0x3750
[ 241.962668][ C1] ? handle_mm_fault+0xf1/0x3750
[ 241.967657][ C1] ? __pfx_handle_mm_fault+0x10/0x10
[ 241.972968][ C1] ? lock_vma_under_rcu+0x45a/0x500
[ 241.978219][ C1] do_user_addr_fault+0xb35/0x1480
[ 241.983410][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 241.989058][ C1] ? trace_page_fault_user+0x84/0x1e0
[ 241.994456][ C1] exc_page_fault+0x6a/0xc0
[ 241.999039][ C1] asm_exc_page_fault+0x26/0x30
[ 242.003921][ C1] RIP: 0033:0x7f9652607830
[ 242.008368][ C1] RSP: 002b:00007ffdfd5684d8 EFLAGS: 00010246
[ 242.014492][ C1] RAX: 00000000fff7fffe RBX: 00007ffdfd568ab0 RCX: 0000000000000000
[ 242.022474][ C1] RDX: 0000000000080001 RSI: 00007f965267005e RDI: ffffffffffffff9c
[ 242.030459][ C1] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 242.038438][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfd568570
[ 242.046420][ C1] R13: 0000000000000000 R14: 00007ffdfd568aa0 R15: 0000000000000002
[ 242.054422][ C1]
[ 242.057443][ C1] rcu: rcu_preempt kthread starved for 10523 jiffies! g13389 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0
[ 242.068468][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 242.078482][ C1] rcu: RCU grace-period kthread stack dump:
[ 242.084373][ C1] task:rcu_preempt state:R running task stack:28104 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
[ 242.097912][ C1] Call Trace:
[ 242.101198][ C1]
[ 242.104192][ C1] __schedule+0x17dd/0x5820
[ 242.108715][ C1] ? __lock_acquire+0x747/0x2de0
[ 242.113691][ C1] ? do_raw_spin_unlock+0xf5/0x200
[ 242.118824][ C1] ? __pfx___schedule+0x10/0x10
[ 242.123680][ C1] ? lock_acquire+0x115/0x350
[ 242.128375][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.134067][ C1] ? schedule+0x90/0x2b0
[ 242.138320][ C1] schedule+0x164/0x2b0
[ 242.142487][ C1] schedule_timeout+0x152/0x2c0
[ 242.147356][ C1] ? __pfx_schedule_timeout+0x10/0x10
[ 242.152751][ C1] ? __pfx_process_timeout+0x10/0x10
[ 242.158083][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.163765][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 242.169578][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.175227][ C1] ? prepare_to_swait_event+0x35e/0x3e0
[ 242.180803][ C1] rcu_gp_fqs_loop+0x30c/0x1230
[ 242.185706][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.191354][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.197006][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 242.202317][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.207976][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 242.213793][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.219445][ C1] rcu_gp_kthread+0x9c/0x340
[ 242.224058][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 242.229363][ C1] ? __kthread_parkme+0x71/0x1f0
[ 242.234344][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.240002][ C1] ? __kthread_parkme+0x199/0x1f0
[ 242.245050][ C1] kthread+0x38b/0x480
[ 242.249184][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 242.254396][ C1] ? __pfx_kthread+0x10/0x10
[ 242.259003][ C1] ret_from_fork+0x514/0xb70
[ 242.263650][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 242.268774][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.274424][ C1] ? __switch_to+0xc78/0x1410
[ 242.279137][ C1] ? __pfx_kthread+0x10/0x10
[ 242.283745][ C1] ret_from_fork_asm+0x1a/0x30
[ 242.288575][ C1]
[ 242.291597][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 242.298098][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 242.303325][ C0] NMI backtrace for cpu 0
[ 242.303433][ C0] CPU: 0 UID: 0 PID: 5666 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full)
[ 242.303460][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 242.303474][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x38/0x80
[ 242.303526][ C0] Code: f6 12 65 48 8b 15 08 ec f6 12 f7 c2 00 01 00 ff 74 29 89 d6 81 e6 00 01 00 0f 81 fe 00 01 00 00 40 0f 95 c6 81 fa 00 00 00 10 <0f> 93 c2 40 08 f2 75 35 83 b9 44 17 00 00 00 74 2c 8b 91 18 17 00
[ 242.303544][ C0] RSP: 0018:ffffc90000007cb8 EFLAGS: 00000087
[ 242.303564][ C0] RAX: ffffffff818bd825 RBX: ffff8880795d1f40 RCX: ffff8880795d1f40
[ 242.303642][ C0] RDX: 8000000001000003 RSI: 0000000001000001 RDI: ffff888079c94ec0
[ 242.303658][ C0] RBP: 0000000000000001 R08: 0000000001000001 R09: 1ffff1100f3929e2
[ 242.303674][ C0] R10: dffffc0000000000 R11: ffffed100f3929e3 R12: ffff888079c94ec0
[ 242.303691][ C0] R13: ffff888079c94e00 R14: dffffc0000000000 R15: dffffc0000000000
[ 242.303710][ C0] FS: 00007f96525cc6c0(0000) GS:ffff888123620000(0000) knlGS:0000000000000000
[ 242.303730][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 242.303745][ C0] CR2: 0000200000000058 CR3: 0000000074334000 CR4: 0000000000350ef0
[ 242.303763][ C0] Call Trace:
[ 242.303773][ C0]
[ 242.303782][ C0] posixtimer_queue_sigqueue+0x25/0x280
[ 242.303817][ C0] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.303849][ C0] ? posixtimer_send_sigqueue+0x63/0xbb0
[ 242.303880][ C0] posixtimer_send_sigqueue+0x4ba/0xbb0
[ 242.303912][ C0] ? posixtimer_send_sigqueue+0x63/0xbb0
[ 242.303949][ C0] posix_timer_fn+0x11d/0x190
[ 242.303987][ C0] ? __pfx_posix_timer_fn+0x10/0x10
[ 242.304018][ C0] __hrtimer_run_queues+0x3bc/0xa10
[ 242.304056][ C0] hrtimer_interrupt+0x4cd/0xaa0
[ 242.304103][ C0] __sysvec_apic_timer_interrupt+0x102/0x430
[ 242.304144][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0
[ 242.304171][ C0]
[ 242.304178][ C0]
[ 242.304187][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 242.304213][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
[ 242.304236][ C0] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8a 34 9f f5 48 89 df e8 42 ac 9f f5 e8 fd 44 cc f5 fb bf 01 00 00 00 72 a0 90 f5 65 48 8b 05 4a e1 ba 08 48 85 c0 74 07 5b e9 3a 22
[ 242.304254][ C0] RSP: 0018:ffffc90003707c78 EFLAGS: 00000206
[ 242.304273][ C0] RAX: 0000000003c8bf53 RBX: ffff888027e52500 RCX: 8000000000000001
[ 242.304289][ C0] RDX: 0000000000000000 RSI: ffffffff8e6a2302 RDI: 0000000000000001
[ 242.304304][ C0] RBP: 0000000000000000 R08: ffffffff919d6fbf R09: 1ffffffff233adf7
[ 242.304319][ C0] R10: dffffc0000000000 R11: fffffbfff233adf8 R12: 0000000000000021
[ 242.304335][ C0] R13: ffff888027e52998 R14: 000000001c000004 R15: dffffc0000000000
[ 242.304364][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 242.304385][ C0] get_signal+0x1131/0x12c0
[ 242.304432][ C0] arch_do_signal_or_restart+0xbb/0x860
[ 242.304458][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 242.304495][ C0] exit_to_user_mode_loop+0x10e/0x770
[ 242.304527][ C0] ? srso_alias_return_thunk+0x5/0xfbef5
[ 242.304554][ C0] ? rcu_is_watching+0x16/0xb0
[ 242.304593][ C0] do_syscall_64+0x328/0x520
[ 242.304674][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.304702][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.304725][ C0] RIP: 0033:0x7f96525f5517
[ 242.304743][ C0] Code: 00 85 c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89
[ 242.304761][ C0] RSP: 002b:00007f96525cc138 EFLAGS: 00000246
[ 242.304779][ C0] RAX: 00000000000000ca RBX: 00007f96526a4b28 RCX: 00007f96525f5519
[ 242.304795][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f96526a4b28
[ 242.304809][ C0] RBP: 00007f96526a4b20 R08: 00007f96525cccdc R09: 00007f96525cccdc
[ 242.304825][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f96526a4b2c
[ 242.304839][ C0] R13: 0000000000000000 R14: 00007ffdfd568870 R15: 00007ffdfd568958
[ 242.304873][ C0]
[ 242.304884][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.559 msecs
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