Warning: Permanently added '10.128.0.12' (ED25519) to the list of known hosts. [ 291.711667][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 291.718716][ C1] (detected by 1, t=10502 jiffies, g=4569, q=33) [ 291.725147][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294966287-4294955787), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 291.738532][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g4569 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 291.749658][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 291.759644][ C1] rcu: RCU grace-period kthread stack dump: [ 291.765555][ C1] task:rcu_preempt state:R running task stack:27000 pid: 15 ppid: 2 flags:0x00004000 [ 291.776462][ C1] Call Trace: [ 291.779799][ C1] [ 291.782746][ C1] __schedule+0x12c4/0x45b0 [ 291.787421][ C1] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 291.793453][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 291.799376][ C1] ? __mod_timer+0xa8e/0xeb0 [ 291.804072][ C1] ? __sched_text_start+0x8/0x8 [ 291.808946][ C1] ? mod_timer_pending+0x20/0x20 [ 291.813905][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 291.819343][ C1] schedule+0x11b/0x1f0 [ 291.823526][ C1] schedule_timeout+0x1b9/0x300 [ 291.828484][ C1] ? console_conditional_schedule+0x40/0x40 [ 291.834411][ C1] ? update_process_times+0x200/0x200 [ 291.839822][ C1] ? prepare_to_swait_event+0x321/0x340 [ 291.845479][ C1] rcu_gp_fqs_loop+0x2bf/0x1080 [ 291.850396][ C1] ? dump_blkd_tasks+0x810/0x810 [ 291.855364][ C1] ? rcu_gp_init+0x1140/0x1140 [ 291.860158][ C1] ? finish_swait+0xc5/0x1d0 [ 291.864778][ C1] rcu_gp_kthread+0xa4/0x360 [ 291.869513][ C1] ? _raw_spin_unlock+0x40/0x40 [ 291.874381][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 291.879597][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 291.885772][ C1] ? __kthread_parkme+0x15c/0x1c0 [ 291.890880][ C1] kthread+0x3f6/0x4f0 [ 291.894972][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 291.900102][ C1] ? kthread_blkcg+0xd0/0xd0 [ 291.904711][ C1] ret_from_fork+0x1f/0x30 [ 291.909206][ C1] [ 291.912331][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 291.918754][ C1] Sending NMI from CPU 1 to CPUs 0: [ 291.924059][ C0] NMI backtrace for cpu 0 [ 291.924069][ C0] CPU: 0 PID: 3551 Comm: syz-executor343 Not tainted 5.15.142-syzkaller #0 [ 291.924087][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 291.924096][ C0] RIP: 0010:native_apic_msr_write+0x35/0x50 [ 291.924180][ C0] Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 bf 2f f2 02 66 2e 0f 1f 84 00 00 00 00 00 [ 291.924194][ C0] RSP: 0018:ffffc90000007e60 EFLAGS: 00000046 [ 291.924209][ C0] RAX: 0000000000073b02 RBX: ffffffff8c34d9a8 RCX: 0000000000000838 [ 291.924222][ C0] RDX: 0000000000000000 RSI: 0000000000073b02 RDI: 0000000000000838 [ 291.924232][ C0] RBP: 0000000000073b02 R08: ffffffff817241bd R09: fffffbfff1bc72d6 [ 291.924245][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9a27240 [ 291.924257][ C0] R13: dffffc0000000000 R14: 0000000000073b02 R15: dffffc0000000000 [ 291.924270][ C0] FS: 0000555556b4b3c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 291.924285][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 291.924297][ C0] CR2: 000000002006b000 CR3: 000000007078e000 CR4: 00000000003506f0 [ 291.924312][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 291.924322][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 291.924333][ C0] Call Trace: [ 291.924338][ C0] [ 291.924345][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 291.924396][ C0] ? read_lock_is_recursive+0x10/0x10 [ 291.924418][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 291.924438][ C0] ? unknown_nmi_error+0xd0/0xd0 [ 291.924498][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 291.924515][ C0] ? nmi_handle+0xf7/0x370 [ 291.924533][ C0] ? native_apic_msr_write+0x35/0x50 [ 291.924550][ C0] ? default_do_nmi+0x62/0x150 [ 291.924588][ C0] ? exc_nmi+0xab/0x120 [ 291.924605][ C0] ? end_repeat_nmi+0x16/0x31 [ 291.924626][ C0] ? clockevents_program_event+0x18d/0x310 [ 291.924660][ C0] ? native_apic_msr_write+0x35/0x50 [ 291.924678][ C0] ? native_apic_msr_write+0x35/0x50 [ 291.924697][ C0] ? native_apic_msr_write+0x35/0x50 [ 291.924721][ C0] [ 291.924725][ C0] [ 291.924730][ C0] lapic_next_event+0x5b/0x70 [ 291.924755][ C0] clockevents_program_event+0x1c5/0x310 [ 291.924774][ C0] hrtimer_interrupt+0x546/0x980 [ 291.924802][ C0] __sysvec_apic_timer_interrupt+0x139/0x470 [ 291.924823][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 291.924843][ C0] [ 291.924848][ C0] [ 291.924853][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 291.924872][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 291.924889][ C0] Code: 81 7e f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 9e 3b 3d f7 48 89 df e8 76 8f 3e f7 e8 81 3f 61 f7 fb bf 01 00 00 00 d6 cb 31 f7 65 8b 05 77 06 dd 75 85 c0 74 02 5b c3 e8 04 1e db [ 291.924903][ C0] RSP: 0018:ffffc90002fb7bc0 EFLAGS: 00000282 [ 291.924916][ C0] RAX: d81a06c0a5783e00 RBX: ffff888071568940 RCX: ffffffff913c6f03 [ 291.924929][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b0d60 RDI: 0000000000000001 [ 291.924940][ C0] RBP: 0000000000000000 R08: ffffffff8186a8f0 R09: ffffed100e2ad129 [ 291.924952][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 [ 291.924963][ C0] R13: dffffc0000000000 R14: ffff888071568dd8 R15: ffff888071568940 [ 291.924980][ C0] ? trace_hardirqs_on+0x30/0x80 [ 291.925020][ C0] get_signal+0x13ee/0x14e0 [ 291.925064][ C0] arch_do_signal_or_restart+0xc3/0x1890 [ 291.925091][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250 [ 291.925114][ C0] ? __might_fault+0xb4/0x110 [ 291.925148][ C0] ? _copy_from_user+0x10f/0x170 [ 291.925194][ C0] ? restore_altstack+0x274/0x400 [ 291.925229][ C0] ? get_sigframe_size+0x10/0x10 [ 291.925248][ C0] ? __ia32_sys_sigaltstack+0x60/0x60 [ 291.925271][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250 [ 291.925292][ C0] ? exit_to_user_mode_loop+0x39/0x130 [ 291.925311][ C0] exit_to_user_mode_loop+0x97/0x130 [ 291.925328][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 291.925345][ C0] syscall_exit_to_user_mode+0x5d/0x250 [ 291.925388][ C0] do_syscall_64+0x49/0xb0 [ 291.925407][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 291.925426][ C0] RIP: 0033:0x7fa130cc3e79 [ 291.925441][ 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 [ 291.925454][ C0] RSP: 002b:00007ffebc45a668 EFLAGS: 00000246 [ 291.925467][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fa130cc3e79 [ 291.925478][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 291.925488][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 291.925498][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555556b4b370 [ 291.925509][ C0] R13: 0000000000000003 R14: 00007ffebc45a6e0 R15: 00007ffebc45a6d0 [ 291.925528][ C0] [ 291.925535][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.475 msecs