Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 161.348533][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 161.355590][ C0] (detected by 0, t=10502 jiffies, g=3097, q=72) [ 161.361995][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294953276-4294942774), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 161.375346][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g3097 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 161.386441][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 161.396400][ C0] rcu: RCU grace-period kthread stack dump: [ 161.402280][ C0] task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000 [ 161.413064][ C0] Call Trace: [ 161.416332][ C0] [ 161.419255][ C0] __schedule+0x12c4/0x45b0 [ 161.423777][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 161.429669][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 161.435564][ C0] ? __mod_timer+0xa8e/0xeb0 [ 161.440155][ C0] ? release_firmware_map_entry+0x190/0x190 [ 161.446037][ C0] ? mod_timer_pending+0x20/0x20 [ 161.450965][ C0] ? lockdep_softirqs_off+0x420/0x420 [ 161.456333][ C0] schedule+0x11b/0x1f0 [ 161.460481][ C0] schedule_timeout+0x1b9/0x300 [ 161.465328][ C0] ? console_conditional_schedule+0x40/0x40 [ 161.471219][ C0] ? update_process_times+0x200/0x200 [ 161.476586][ C0] ? prepare_to_swait_event+0x321/0x340 [ 161.482124][ C0] rcu_gp_fqs_loop+0x2bf/0x1080 [ 161.486969][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 161.492158][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 161.497349][ C0] ? rcu_gp_init+0xdae/0x1140 [ 161.502021][ C0] ? rcu_gp_init+0x1140/0x1140 [ 161.506782][ C0] ? finish_swait+0xc5/0x1d0 [ 161.511362][ C0] rcu_gp_kthread+0xa4/0x360 [ 161.515945][ C0] ? _raw_spin_unlock+0x40/0x40 [ 161.520789][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 161.525888][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 161.531776][ C0] ? __kthread_parkme+0x15c/0x1c0 [ 161.536796][ C0] kthread+0x3f6/0x4f0 [ 161.540855][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 161.545953][ C0] ? kthread_blkcg+0xd0/0xd0 [ 161.550534][ C0] ret_from_fork+0x1f/0x30 [ 161.554958][ C0] [ 161.557983][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 161.564290][ C0] NMI backtrace for cpu 0 [ 161.568614][ C0] CPU: 0 PID: 3594 Comm: syz-executor292 Not tainted 5.15.167-syzkaller #0 [ 161.577185][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 161.587225][ C0] Call Trace: [ 161.590498][ C0] [ 161.593332][ C0] dump_stack_lvl+0x1e3/0x2d0 [ 161.598090][ C0] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 161.603712][ C0] ? panic+0x860/0x860 [ 161.607786][ C0] nmi_cpu_backtrace+0x46a/0x4a0 [ 161.612716][ C0] ? __wake_up_klogd+0xd5/0x100 [ 161.617565][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 161.623708][ C0] ? _printk+0xd1/0x120 [ 161.627858][ C0] ? cpu_online+0x1f/0x40 [ 161.632176][ C0] ? panic+0x860/0x860 [ 161.636242][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 161.642304][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 161.648280][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240 [ 161.654430][ C0] print_other_cpu_stall+0x137a/0x14d0 [ 161.659895][ C0] ? print_cpu_stall+0x600/0x600 [ 161.664822][ C0] ? __lock_acquire+0x1ff0/0x1ff0 [ 161.669838][ C0] ? do_raw_spin_unlock+0x137/0x8b0 [ 161.675034][ C0] rcu_sched_clock_irq+0xa38/0x1150 [ 161.680228][ C0] ? rcutree_dead_cpu+0x20/0x20 [ 161.685067][ C0] ? hrtimer_run_queues+0x163/0x450 [ 161.690253][ C0] ? account_process_tick+0x232/0x3a0 [ 161.695619][ C0] update_process_times+0x196/0x200 [ 161.700810][ C0] tick_sched_timer+0x386/0x550 [ 161.705655][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0 [ 161.711190][ C0] __hrtimer_run_queues+0x55b/0xcf0 [ 161.716401][ C0] ? hrtimer_interrupt+0x980/0x980 [ 161.721503][ C0] ? ktime_get_update_offsets_now+0x407/0x420 [ 161.727567][ C0] hrtimer_interrupt+0x392/0x980 [ 161.732514][ C0] __sysvec_apic_timer_interrupt+0x139/0x470 [ 161.738486][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 161.744113][ C0] [ 161.747035][ C0] [ 161.749952][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 161.755922][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 161.761720][ C0] 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 [ 161.781311][ C0] RSP: 0018:ffffc90002ea7a50 EFLAGS: 00000282 [ 161.787373][ C0] RAX: 02c921764de3aa00 RBX: ffff8880740e0940 RCX: ffffffff96868f03 [ 161.795330][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: 0000000000000001 [ 161.803291][ C0] RBP: ffffc90002ea7b30 R08: ffffffff8186db50 R09: ffffed100e81c129 [ 161.811250][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11003ef5c4e [ 161.819210][ C0] R13: ffff88801f7ad940 R14: 0000000100000000 R15: 1ffff11003ef5c4d [ 161.827173][ C0] ? trace_hardirqs_on+0x30/0x80 [ 161.832110][ C0] __set_current_blocked+0x2a5/0x2f0 [ 161.837389][ C0] ? set_current_blocked+0x40/0x40 [ 161.842492][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 161.848467][ C0] signal_setup_done+0x397/0x5f0 [ 161.853397][ C0] ? ptrace_signal+0x6c0/0x6c0 [ 161.858149][ C0] ? __local_bh_enable_ip+0x164/0x1f0 [ 161.863506][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 161.868697][ C0] ? __local_bh_enable_ip+0x164/0x1f0 [ 161.874059][ C0] ? local_bh_enable+0x5/0x20 [ 161.878724][ C0] ? _local_bh_enable+0xa0/0xa0 [ 161.883568][ C0] ? fpu__clear_user_states+0x1af/0x260 [ 161.889103][ C0] arch_do_signal_or_restart+0x14a1/0x1890 [ 161.894919][ C0] ? get_sigframe_size+0x10/0x10 [ 161.899846][ C0] ? __ia32_sys_sigaltstack+0x60/0x60 [ 161.905215][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250 [ 161.910669][ C0] ? exit_to_user_mode_loop+0x39/0x130 [ 161.916117][ C0] exit_to_user_mode_loop+0x97/0x130 [ 161.921389][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 161.926923][ C0] syscall_exit_to_user_mode+0x5d/0x240 [ 161.932463][ C0] do_syscall_64+0x47/0xb0 [ 161.936865][ C0] ? clear_bhb_loop+0x15/0x70 [ 161.941532][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 161.947415][ C0] RIP: 0033:0x7f6436c5d230 [ 161.951833][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 9a bf 02 00 e8 85 ec fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 [ 161.971429][ C0] RSP: 002b:00007fff758af338 EFLAGS: 00000246 [ 161.977496][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f6436c371e9 [ 161.985462][ C0] RDX: 00007fff758af340 RSI: 00007fff758af470 RDI: 0000000000000021 [ 161.993420][ C0] RBP: 0000000000000000 R08: 00007f6436bef990 R09: 00007f6436bef990 [ 162.001383][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6436c87178 [ 162.009339][ C0] R13: 00007f6436c8ddfc R14: 00007fff758af910 R15: 0000000000000000 [ 162.017313][ C0]