Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. executing program executing program [ 296.299387][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 296.306405][ C0] (detected by 0, t=10502 jiffies, g=3513, q=9) [ 296.312727][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294966777-4294956275), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 296.326081][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g3513 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 296.337181][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 296.347138][ C0] rcu: RCU grace-period kthread stack dump: [ 296.353016][ C0] task:rcu_preempt state:R running task stack:26368 pid: 15 ppid: 2 flags:0x00004000 [ 296.363793][ C0] Call Trace: [ 296.367066][ C0] [ 296.369995][ C0] __schedule+0x12c4/0x45b0 [ 296.374614][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 296.380528][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 296.386427][ C0] ? __mod_timer+0xa8e/0xeb0 [ 296.391057][ C0] ? release_firmware_map_entry+0x18b/0x18b [ 296.396946][ C0] ? mod_timer_pending+0x20/0x20 [ 296.401881][ C0] ? lockdep_softirqs_off+0x420/0x420 [ 296.407339][ C0] schedule+0x11b/0x1f0 [ 296.411493][ C0] schedule_timeout+0x1b9/0x300 [ 296.416340][ C0] ? console_conditional_schedule+0x40/0x40 [ 296.422230][ C0] ? update_process_times+0x200/0x200 [ 296.427604][ C0] ? prepare_to_swait_event+0x321/0x340 [ 296.433188][ C0] rcu_gp_fqs_loop+0x2bf/0x1080 [ 296.438063][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 296.443254][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 296.448495][ C0] ? rcu_gp_init+0xdae/0x1140 [ 296.453170][ C0] ? rcu_gp_init+0x1140/0x1140 [ 296.457934][ C0] ? finish_swait+0xc5/0x1d0 [ 296.462529][ C0] rcu_gp_kthread+0xa4/0x360 [ 296.467116][ C0] ? _raw_spin_unlock+0x40/0x40 [ 296.471972][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 296.477079][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 296.482970][ C0] ? __kthread_parkme+0x15c/0x1c0 [ 296.488047][ C0] kthread+0x3f6/0x4f0 [ 296.492109][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 296.497216][ C0] ? kthread_blkcg+0xd0/0xd0 [ 296.501804][ C0] ret_from_fork+0x1f/0x30 [ 296.506273][ C0] [ 296.509285][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 296.515593][ C0] NMI backtrace for cpu 0 [ 296.519910][ C0] CPU: 0 PID: 3544 Comm: syz-executor357 Not tainted 5.15.148-syzkaller #0 [ 296.528487][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 296.538534][ C0] Call Trace: [ 296.541808][ C0] [ 296.544647][ C0] dump_stack_lvl+0x1e3/0x2cb [ 296.549376][ C0] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 296.554999][ C0] ? panic+0x84d/0x84d [ 296.559076][ C0] nmi_cpu_backtrace+0x46a/0x4a0 [ 296.564073][ C0] ? __wake_up_klogd+0xd5/0x100 [ 296.568938][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 296.575085][ C0] ? _printk+0xd1/0x111 [ 296.579234][ C0] ? cpu_online+0x1f/0x40 [ 296.583558][ C0] ? panic+0x84d/0x84d [ 296.587621][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 296.593725][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 296.599707][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240 [ 296.605869][ C0] print_other_cpu_stall+0x137a/0x14d0 [ 296.611335][ C0] ? print_cpu_stall+0x600/0x600 [ 296.616271][ C0] ? __lock_acquire+0x1ff0/0x1ff0 [ 296.621293][ C0] ? do_raw_spin_unlock+0x137/0x8b0 [ 296.626489][ C0] rcu_sched_clock_irq+0xa38/0x1150 [ 296.631691][ C0] ? rcutree_dead_cpu+0x20/0x20 [ 296.636536][ C0] ? hrtimer_run_queues+0x163/0x450 [ 296.641739][ C0] ? account_process_tick+0x232/0x3a0 [ 296.647109][ C0] update_process_times+0x196/0x200 [ 296.652303][ C0] tick_sched_timer+0x386/0x550 [ 296.657219][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0 [ 296.662769][ C0] __hrtimer_run_queues+0x55b/0xcf0 [ 296.667995][ C0] ? hrtimer_interrupt+0x980/0x980 [ 296.673123][ C0] ? ktime_get_update_offsets_now+0x407/0x420 [ 296.679197][ C0] hrtimer_interrupt+0x392/0x980 [ 296.684154][ C0] __sysvec_apic_timer_interrupt+0x139/0x470 [ 296.690186][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 296.695819][ C0] [ 296.698753][ C0] [ 296.701766][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 296.707745][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 296.713547][ C0] Code: 51 7f f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 5e 9d 3c f7 48 89 df e8 36 f1 3d f7 e8 91 a1 60 f7 fb bf 01 00 00 00 96 2d 31 f7 65 8b 05 57 66 dc 75 85 c0 74 02 5b c3 e8 e4 7d da [ 296.733147][ C0] RSP: 0018:ffffc90002e77bc0 EFLAGS: 00000282 [ 296.739212][ C0] RAX: 969e46a94dd4f100 RBX: ffff8880233a9bc0 RCX: ffffffff913c7f03 [ 296.747178][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b0f80 RDI: 0000000000000001 [ 296.755141][ C0] RBP: 0000000000000000 R08: ffffffff8186ab20 R09: ffffed1004675379 [ 296.763105][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 [ 296.771072][ C0] R13: dffffc0000000000 R14: ffff8880233aa058 R15: ffff8880233a9bc0 [ 296.779049][ C0] ? trace_hardirqs_on+0x30/0x80 [ 296.784075][ C0] get_signal+0x13ee/0x14e0 [ 296.788641][ C0] arch_do_signal_or_restart+0xc3/0x1890 [ 296.794365][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250 [ 296.800791][ C0] ? __might_fault+0xb4/0x110 [ 296.805539][ C0] ? _copy_from_user+0x10f/0x170 [ 296.810515][ C0] ? restore_altstack+0x274/0x400 [ 296.815975][ C0] ? get_sigframe_size+0x10/0x10 [ 296.820912][ C0] ? __ia32_sys_sigaltstack+0x60/0x60 [ 296.826293][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250 [ 296.831750][ C0] ? exit_to_user_mode_loop+0x39/0x130 [ 296.837213][ C0] exit_to_user_mode_loop+0x97/0x130 [ 296.842495][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 296.848034][ C0] syscall_exit_to_user_mode+0x5d/0x250 [ 296.853734][ C0] do_syscall_64+0x49/0xb0 [ 296.858167][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 296.864061][ C0] RIP: 0033:0x7f0dafba3e79 [ 296.868486][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 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 01 48 [ 296.888088][ C0] RSP: 002b:00007ffd6fcd7538 EFLAGS: 00000246 [ 296.894176][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f0dafba3e79 [ 296.902138][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 296.910104][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 296.918071][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 296.926033][ C0] R13: 0000000000000004 R14: 00007ffd6fcd75b0 R15: 00007ffd6fcd75a0 [ 296.934010][ C0]