Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 205.870515][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 205.877594][ C1] (detected by 1, t=10502 jiffies, g=4037, q=46) [ 205.884018][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294957725-4294947225), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 205.897403][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g4037 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 205.908520][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 205.918500][ C1] rcu: RCU grace-period kthread stack dump: [ 205.924391][ C1] task:rcu_preempt state:R running task stack:26816 pid: 15 ppid: 2 flags:0x00004000 [ 205.935194][ C1] Call Trace: [ 205.938480][ C1] [ 205.941421][ C1] __schedule+0x12c4/0x45b0 [ 205.945962][ C1] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 205.951875][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 205.957792][ C1] ? __mod_timer+0xa8e/0xeb0 [ 205.962401][ C1] ? release_firmware_map_entry+0x190/0x190 [ 205.968308][ C1] ? mod_timer_pending+0x20/0x20 [ 205.973262][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 205.978655][ C1] schedule+0x11b/0x1f0 [ 205.982822][ C1] schedule_timeout+0x1b9/0x300 [ 205.987686][ C1] ? console_conditional_schedule+0x40/0x40 [ 205.993595][ C1] ? update_process_times+0x200/0x200 [ 205.998980][ C1] ? prepare_to_swait_event+0x321/0x340 [ 206.004549][ C1] rcu_gp_fqs_loop+0x2bf/0x1080 [ 206.009416][ C1] ? dump_blkd_tasks+0x810/0x810 [ 206.014377][ C1] ? rcu_gp_init+0x1140/0x1140 [ 206.019156][ C1] ? finish_swait+0xc5/0x1d0 [ 206.023757][ C1] rcu_gp_kthread+0xa4/0x360 [ 206.028357][ C1] ? _raw_spin_unlock+0x40/0x40 [ 206.033229][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 206.038362][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 206.044277][ C1] ? __kthread_parkme+0x15c/0x1c0 [ 206.049312][ C1] kthread+0x3f6/0x4f0 [ 206.053381][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 206.058517][ C1] ? kthread_blkcg+0xd0/0xd0 [ 206.063117][ C1] ret_from_fork+0x1f/0x30 [ 206.067563][ C1] [ 206.070583][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 206.076910][ C1] NMI backtrace for cpu 1 [ 206.081264][ C1] CPU: 1 PID: 3591 Comm: syz-executor479 Not tainted 5.15.167-syzkaller #0 [ 206.089858][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 206.099911][ C1] Call Trace: [ 206.103190][ C1] [ 206.106035][ C1] dump_stack_lvl+0x1e3/0x2d0 [ 206.110726][ C1] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 206.116379][ C1] ? panic+0x860/0x860 [ 206.120471][ C1] nmi_cpu_backtrace+0x46a/0x4a0 [ 206.125423][ C1] ? __wake_up_klogd+0xd5/0x100 [ 206.130286][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 206.136447][ C1] ? _printk+0xd1/0x120 [ 206.140652][ C1] ? cpu_online+0x1f/0x40 [ 206.144990][ C1] ? panic+0x860/0x860 [ 206.149073][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 206.155146][ C1] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 206.161135][ C1] rcu_check_gp_kthread_starvation+0x1d2/0x240 [ 206.167308][ C1] print_other_cpu_stall+0x137a/0x14d0 [ 206.172795][ C1] ? print_cpu_stall+0x600/0x600 [ 206.177745][ C1] ? __lock_acquire+0x1ff0/0x1ff0 [ 206.182787][ C1] ? do_raw_spin_unlock+0x137/0x8b0 [ 206.188002][ C1] rcu_sched_clock_irq+0xa38/0x1150 [ 206.193215][ C1] ? rcutree_dead_cpu+0x20/0x20 [ 206.198078][ C1] ? hrtimer_run_queues+0x163/0x450 [ 206.203298][ C1] ? account_process_tick+0x232/0x3a0 [ 206.208681][ C1] update_process_times+0x196/0x200 [ 206.213896][ C1] tick_sched_timer+0x386/0x550 [ 206.218758][ C1] ? tick_setup_sched_timer+0x2d0/0x2d0 [ 206.224317][ C1] __hrtimer_run_queues+0x55b/0xcf0 [ 206.229546][ C1] ? hrtimer_interrupt+0x980/0x980 [ 206.234665][ C1] ? ktime_get_update_offsets_now+0x407/0x420 [ 206.240757][ C1] hrtimer_interrupt+0x392/0x980 [ 206.245738][ C1] __sysvec_apic_timer_interrupt+0x139/0x470 [ 206.251738][ C1] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 206.257384][ C1] [ 206.260323][ C1] [ 206.263264][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 206.269257][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 206.275075][ C1] Code: 51 67 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4e ed 24 f7 48 89 df e8 26 41 26 f7 e8 f1 f4 48 f7 fb bf 01 00 00 00 06 87 19 f7 65 8b 05 87 89 c4 75 85 c0 74 02 5b c3 e8 54 a6 c2 [ 206.294698][ C1] RSP: 0018:ffffc90002d47bc0 EFLAGS: 00000282 [ 206.300783][ C1] RAX: 7de5b8f9aee9ae00 RBX: ffff88802885ae40 RCX: ffffffff96868f03 [ 206.308761][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: 0000000000000001 [ 206.316732][ C1] RBP: 0000000000000000 R08: ffffffff8186db50 R09: ffffed100510b5c9 [ 206.324712][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 [ 206.332691][ C1] R13: dffffc0000000000 R14: ffff88802885b2d8 R15: ffff88802885ae40 [ 206.340721][ C1] ? trace_hardirqs_on+0x30/0x80 [ 206.345692][ C1] get_signal+0x13ee/0x14e0 [ 206.350218][ C1] arch_do_signal_or_restart+0xc3/0x1890 [ 206.355865][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250 [ 206.362308][ C1] ? __might_fault+0xb4/0x110 [ 206.367001][ C1] ? _copy_from_user+0x10f/0x170 [ 206.371946][ C1] ? restore_altstack+0x274/0x400 [ 206.376978][ C1] ? get_sigframe_size+0x10/0x10 [ 206.381927][ C1] ? __ia32_sys_sigaltstack+0x60/0x60 [ 206.387317][ C1] ? __do_sys_rt_sigreturn+0x19d/0x250 [ 206.392791][ C1] ? exit_to_user_mode_loop+0x39/0x130 [ 206.398274][ C1] exit_to_user_mode_loop+0x97/0x130 [ 206.403584][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 206.409136][ C1] syscall_exit_to_user_mode+0x5d/0x240 [ 206.414693][ C1] do_syscall_64+0x47/0xb0 [ 206.419134][ C1] ? clear_bhb_loop+0x15/0x70 [ 206.423833][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 206.429732][ C1] RIP: 0033:0x7fbd7b10b417 [ 206.434180][ C1] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 [ 206.453824][ C1] RSP: 002b:00007fbd7b0cc238 EFLAGS: 00000246 [ 206.459900][ C1] RAX: 00000000000000ca RBX: 00007fbd7b195308 RCX: 00007fbd7b10b419 [ 206.467882][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbd7b195308 [ 206.475860][ C1] RBP: 00007fbd7b195300 R08: 00007fbd7b0cc6c0 R09: 00007fbd7b0cc6c0 [ 206.483854][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd7b19530c [ 206.491829][ C1] R13: 0000000000000000 R14: 00007ffc1970bcf0 R15: 00007ffc1970bdd8 [ 206.499830][ C1]