[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 1046.695206][ C0] hrtimer: interrupt took 51192 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1153.738307][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1153.745207][ C0] rcu: 0-....: (10471 ticks this GP) idle=71e/1/0x4000000000000000 softirq=9371/9371 fqs=2612 [ 1153.755827][ C0] (t=10502 jiffies g=9125 q=86493) [ 1153.761122][ C0] rcu: rcu_preempt kthread starved for 765 jiffies! g9125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 1153.772388][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 1153.782351][ C0] rcu: RCU grace-period kthread stack dump: [ 1153.788235][ C0] task:rcu_preempt state:I stack:29080 pid: 10 ppid: 2 flags:0x00004000 [ 1153.798004][ C0] Call Trace: [ 1153.801521][ C0] __schedule+0x8e5/0x21e0 [ 1153.805929][ C0] ? io_schedule_timeout+0x140/0x140 [ 1153.811348][ C0] ? tracing_start_sched_switch.cold+0x74/0x74 [ 1153.817844][ C0] ? __free_object+0xdd0/0xdd0 [ 1153.822660][ C0] ? lock_downgrade+0x830/0x830 [ 1153.827490][ C0] schedule+0xd0/0x2a0 [ 1153.831541][ C0] schedule_timeout+0x148/0x250 [ 1153.836370][ C0] ? usleep_range+0x170/0x170 [ 1153.841037][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1153.846196][ C0] ? __next_timer_interrupt+0x210/0x210 [ 1153.851933][ C0] ? prepare_to_swait_exclusive+0x2d0/0x2d0 [ 1153.857848][ C0] rcu_gp_kthread+0xae5/0x1b50 [ 1153.862611][ C0] ? rcu_qs+0x110/0x110 [ 1153.866747][ C0] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 1153.872547][ C0] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 1153.878642][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1153.883859][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 1153.888879][ C0] ? rcu_qs+0x110/0x110 [ 1153.893042][ C0] kthread+0x3b5/0x4a0 [ 1153.897102][ C0] ? __kthread_bind_mask+0xc0/0xc0 [ 1153.902278][ C0] ? __kthread_bind_mask+0xc0/0xc0 [ 1153.907717][ C0] ret_from_fork+0x1f/0x30 [ 1153.912174][ C0] NMI backtrace for cpu 0 [ 1153.916494][ C0] CPU: 0 PID: 7203 Comm: syz-executor468 Not tainted 5.9.0-rc1-syzkaller #0 [ 1153.925454][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1153.935621][ C0] Call Trace: [ 1153.939046][ C0] [ 1153.941930][ C0] dump_stack+0x18f/0x20d [ 1153.946327][ C0] nmi_cpu_backtrace.cold+0x70/0xb1 [ 1153.952146][ C0] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 1153.957789][ C0] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 1153.963779][ C0] rcu_dump_cpu_stacks+0x194/0x1cf [ 1153.968885][ C0] rcu_sched_clock_irq.cold+0x5b3/0xccd [ 1153.974507][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1153.979430][ C0] ? rcutree_dead_cpu+0x10/0x10 [ 1153.984264][ C0] ? lockdep_hardirqs_off+0x89/0xc0 [ 1153.990242][ C0] ? trace_hardirqs_off+0x27/0x210 [ 1153.996144][ C0] update_process_times+0x25/0xa0 [ 1154.001196][ C0] tick_sched_handle+0x9b/0x180 [ 1154.006038][ C0] tick_sched_timer+0x1d1/0x2a0 [ 1154.010966][ C0] __hrtimer_run_queues+0x1d5/0xfc0 [ 1154.016229][ C0] ? can_stop_idle_tick+0x290/0x290 [ 1154.021520][ C0] ? lockdep_hardirqs_off+0x71/0xc0 [ 1154.026712][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1154.033291][ C0] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 1154.039483][ C0] hrtimer_interrupt+0x32a/0x930 [ 1154.044576][ C0] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 1154.050707][ C0] sysvec_apic_timer_interrupt+0x4c/0xf0 [ 1154.056331][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1154.062626][ C0] RIP: 0010:kfree+0x1e0/0x2c0 [ 1154.067302][ C0] Code: 4d 7e 0f 85 55 fe ff ff e8 dc 07 4c ff e9 4b fe ff ff e8 b3 c0 c5 ff 48 83 3d 23 cd 01 08 00 0f 84 d2 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d 41 5c 41 5d c3 65 ff 05 7d 8f 4d 7e 48 8b 05 [ 1154.087039][ C0] RSP: 0018:ffffc90000006788 EFLAGS: 00000286 [ 1154.093089][ C0] RAX: 00000000006a2c12 RBX: 0000000000000286 RCX: 0000000000000002 [ 1154.101043][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 1154.108998][ C0] RBP: ffff88809a875400 R08: 0000000000000001 R09: ffffffff8c5fca8f [ 1154.118012][ C0] R10: fffffbfff18bf951 R11: 0000000000000001 R12: ffff8880aa040600 [ 1154.125973][ C0] R13: ffffffff863796e9 R14: 0000000000000000 R15: ffff88809a8754f0 [ 1154.134041][ C0] ? skb_release_data+0x6d9/0x910 [ 1154.139061][ C0] skb_release_data+0x6d9/0x910 [ 1154.143910][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.148834][ C0] consume_skb+0xc2/0x160 [ 1154.153212][ C0] __dev_kfree_skb_any+0x9c/0xc0 [ 1154.158130][ C0] napi_consume_skb+0x24f/0x370 [ 1154.163390][ C0] free_old_xmit_skbs+0xd5/0x230 [ 1154.168315][ C0] ? virtnet_set_coalesce+0x2a0/0x2a0 [ 1154.173674][ C0] ? trace_hardirqs_on+0x5f/0x220 [ 1154.178695][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1154.183802][ C0] start_xmit+0x123/0x15f0 [ 1154.188200][ C0] dev_hard_start_xmit+0x193/0x950 [ 1154.193361][ C0] sch_direct_xmit+0x2e1/0xbd0 [ 1154.198105][ C0] ? pfifo_fast_dequeue+0x37f/0xb20 [ 1154.203387][ C0] ? dev_watchdog+0xc80/0xc80 [ 1154.208040][ C0] ? pfifo_fast_dequeue+0x5a1/0xb20 [ 1154.213226][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.218152][ C0] __qdisc_run+0x4b9/0x1620 [ 1154.222651][ C0] __dev_queue_xmit+0x1456/0x2d60 [ 1154.227660][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1154.232752][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1154.238968][ C0] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 1154.244245][ C0] ? eth_header+0x181/0x1e0 [ 1154.248792][ C0] ? check_memory_region+0xde/0x180 [ 1154.253983][ C0] ? memcpy+0x39/0x60 [ 1154.257946][ C0] neigh_resolve_output+0x3fe/0x6a0 [ 1154.263193][ C0] ip_finish_output2+0x81b/0x21f0 [ 1154.268255][ C0] ? ipv4_confirm+0x149/0x240 [ 1154.273058][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 1154.278933][ C0] ? ip_frag_next+0x9a0/0x9a0 [ 1154.283598][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.288518][ C0] __ip_finish_output+0x779/0xcb0 [ 1154.293525][ C0] ? ip_fragment.constprop.0+0x240/0x240 [ 1154.299137][ C0] ? __ip_finish_output+0xcb0/0xcb0 [ 1154.304316][ C0] ip_finish_output+0x34/0x1f0 [ 1154.309067][ C0] ip_output+0x196/0x310 [ 1154.313292][ C0] __ip_queue_xmit+0x8e9/0x19c0 [ 1154.318134][ C0] ? ip_protocol_deliver_rcu+0x5c/0x880 [ 1154.323703][ C0] __tcp_transmit_skb+0x18cc/0x3760 [ 1154.329072][ C0] ? __tcp_select_window+0xa60/0xa60 [ 1154.334401][ C0] ? perf_install_in_context+0x2cb/0x550 [ 1154.340025][ C0] ? __do_sys_perf_event_open+0x1c31/0x2cb0 [ 1154.346822][ C0] ? do_syscall_64+0x2d/0x70 [ 1154.351565][ C0] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1154.357638][ C0] ? __phys_addr+0x9a/0x110 [ 1154.362121][ C0] ? memset+0x20/0x40 [ 1154.366080][ C0] ? __alloc_skb+0x34a/0x550 [ 1154.370664][ C0] __tcp_send_ack.part.0+0x3e0/0x5d0 [ 1154.375927][ C0] ? tcp_send_dupack+0x7f/0xa30 [ 1154.380760][ C0] tcp_send_ack+0x7d/0xa0 [ 1154.385079][ C0] tcp_validate_incoming+0x12e8/0x1b60 [ 1154.390524][ C0] ? tcp_reset+0x4c0/0x4c0 [ 1154.394931][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1154.401065][ C0] ? ktime_get+0xd8/0x120 [ 1154.405371][ C0] tcp_rcv_established+0x555/0x1eb0 [ 1154.410550][ C0] ? lock_release+0x8e0/0x8e0 [ 1154.415218][ C0] ? tcp_data_queue+0x4ae0/0x4ae0 [ 1154.420227][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 1154.425324][ C0] tcp_v4_do_rcv+0x5d1/0x870 [ 1154.429898][ C0] tcp_v4_rcv+0x2d10/0x3750 [ 1154.434489][ C0] ? lock_acquire+0x1f1/0xad0 [ 1154.439158][ C0] ? tcp_v4_early_demux+0x8c0/0x8c0 [ 1154.444334][ C0] ? lock_release+0x8e0/0x8e0 [ 1154.448990][ C0] ? nf_hook.constprop.0+0x3b6/0x5d0 [ 1154.454260][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.459178][ C0] ip_protocol_deliver_rcu+0x5c/0x880 [ 1154.464542][ C0] ip_local_deliver_finish+0x20a/0x370 [ 1154.470118][ C0] ip_local_deliver+0x1b3/0x200 [ 1154.474983][ C0] ip_sublist_rcv_finish+0x9a/0x2c0 [ 1154.480183][ C0] ip_list_rcv_finish.constprop.0+0x514/0x6e0 [ 1154.486266][ C0] ? ip_rcv_finish_core.constprop.0+0x1e60/0x1e60 [ 1154.492760][ C0] ? ip_list_rcv_finish.constprop.0+0x6e0/0x6e0 [ 1154.499008][ C0] ? ip_rcv_core+0x857/0xc70 [ 1154.503584][ C0] ip_list_rcv+0x34e/0x488 [ 1154.507981][ C0] ? ip_rcv+0xd0/0xd0 [ 1154.512003][ C0] ? arp_rcv+0x3fa/0x540 [ 1154.516227][ C0] ? ip_rcv+0xd0/0xd0 [ 1154.520211][ C0] __netif_receive_skb_list_core+0x549/0x8e0 [ 1154.526198][ C0] ? process_backlog+0x7f0/0x7f0 [ 1154.531189][ C0] ? read_seqcount_t_begin.constprop.0+0x110/0x1f0 [ 1154.537693][ C0] ? read_seqcount_t_begin.constprop.0+0x139/0x1f0 [ 1154.544195][ C0] ? ktime_get_with_offset+0x130/0x1a0 [ 1154.549787][ C0] netif_receive_skb_list_internal+0x777/0xd70 [ 1154.556329][ C0] ? __netif_receive_skb_list_core+0x8e0/0x8e0 [ 1154.562479][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1154.567594][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1154.573799][ C0] ? napi_gro_receive+0x12a/0x750 [ 1154.578933][ C0] ? gro_normal_one+0x15/0x260 [ 1154.583687][ C0] gro_normal_one+0x16f/0x260 [ 1154.588366][ C0] napi_gro_receive+0x5ca/0x750 [ 1154.593212][ C0] receive_buf+0x1006/0x5980 [ 1154.597783][ C0] ? page_to_skb+0x9d0/0x9d0 [ 1154.602500][ C0] ? ioat_timer_event+0x7f0/0x8a0 [ 1154.607514][ C0] ? detach_buf_split+0xd8/0x7b0 [ 1154.612432][ C0] ? detach_buf_split+0x599/0x7b0 [ 1154.617489][ C0] ? virtqueue_get_buf_ctx_split+0x423/0x5c0 [ 1154.623541][ C0] virtnet_poll+0x568/0xd76 [ 1154.628026][ C0] ? receive_buf+0x5980/0x5980 [ 1154.632770][ C0] ? mark_lock+0xbc/0x1710 [ 1154.637164][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1154.642271][ C0] ? net_rx_action+0x24c/0xe80 [ 1154.647020][ C0] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 1154.652978][ C0] net_rx_action+0x4a1/0xe80 [ 1154.657624][ C0] ? napi_complete_done+0x860/0x860 [ 1154.662808][ C0] __do_softirq+0x2de/0xa24 [ 1154.667390][ C0] ? handle_fasteoi_irq+0x9f0/0x9f0 [ 1154.672588][ C0] asm_call_on_stack+0xf/0x20 [ 1154.677255][ C0] [ 1154.680231][ C0] do_softirq_own_stack+0x9d/0xd0 [ 1154.685298][ C0] irq_exit_rcu+0x1f3/0x230 [ 1154.689875][ C0] common_interrupt+0xa3/0x1f0 [ 1154.694619][ C0] asm_common_interrupt+0x1e/0x40 [ 1154.699645][ C0] RIP: 0010:_raw_spin_unlock_irq+0x4b/0x80 [ 1154.705429][ C0] Code: c0 18 3c b6 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 86 f6 be 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 cb 71 58 f9 65 8b 05 d4 b8 0a 78 85 c0 74 02 5d [ 1154.725137][ C0] RSP: 0018:ffffc900061b7978 EFLAGS: 00000286 [ 1154.731206][ C0] RAX: 1ffffffff136c783 RBX: ffff888091958440 RCX: 0000000000000006 [ 1154.739163][ C0] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff87f7456f [ 1154.747282][ C0] RBP: ffff8880ae635e40 R08: 0000000000000001 R09: ffffffff8c5fca9f [ 1154.755393][ C0] R10: fffffbfff18bf953 R11: 0000000000000001 R12: ffff8880ae635e40 [ 1154.763429][ C0] R13: ffff88809e0e8540 R14: ffff8880a715f200 R15: 0000000000000402 [ 1154.771398][ C0] ? _raw_spin_unlock_irq+0x1f/0x80 [ 1154.776778][ C0] ? _raw_spin_unlock_irq+0x1f/0x80 [ 1154.782039][ C0] finish_task_switch+0x147/0x750 [ 1154.787492][ C0] ? finish_task_switch+0x119/0x750 [ 1154.792693][ C0] ? __switch_to+0x425/0xfe0 [ 1154.797260][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.802179][ C0] __schedule+0x8ed/0x21e0 [ 1154.806604][ C0] ? io_schedule_timeout+0x140/0x140 [ 1154.811873][ C0] ? perf_duration_warn+0x40/0x40 [ 1154.816890][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 1154.822340][ C0] preempt_schedule_common+0x45/0xc0 [ 1154.827607][ C0] preempt_schedule_thunk+0x16/0x18 [ 1154.833024][ C0] ? smp_call_function_single+0x1d0/0x4f0 [ 1154.838744][ C0] ? smp_call_function_single+0x462/0x4f0 [ 1154.844531][ C0] smp_call_function_single+0x467/0x4f0 [ 1154.850305][ C0] ? perf_duration_warn+0x40/0x40 [ 1154.855310][ C0] ? generic_exec_single+0x480/0x480 [ 1154.860571][ C0] ? lockdep_init_map_waits+0x26a/0x8a0 [ 1154.866105][ C0] ? perf_duration_warn+0x40/0x40 [ 1154.871108][ C0] ? lockdep_init_map_waits+0x26a/0x8a0 [ 1154.876733][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.881752][ C0] task_function_call+0xd7/0x160 [ 1154.886681][ C0] ? pmu_dev_release+0x20/0x20 [ 1154.891446][ C0] ? __perf_event_enable+0x11c0/0x11c0 [ 1154.897140][ C0] ? exclusive_event_installable+0x252/0x320 [ 1154.903134][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.908154][ C0] perf_install_in_context+0x2cb/0x550 [ 1154.913608][ C0] ? list_add_event+0xe30/0xe30 [ 1154.918607][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1154.923717][ C0] ? exclusive_event_installable+0x252/0x320 [ 1154.929951][ C0] __do_sys_perf_event_open+0x1c31/0x2cb0 [ 1154.936294][ C0] ? perf_trace_preemptirq_template+0x289/0x440 [ 1154.942611][ C0] ? perf_event_set_output+0x4c0/0x4c0 [ 1154.948056][ C0] ? tracing_start_sched_switch.cold+0x74/0x74 [ 1154.954641][ C0] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 1154.960601][ C0] ? trace_hardirqs_on+0x5f/0x220 [ 1154.965608][ C0] ? lockdep_hardirqs_on+0x76/0xf0 [ 1154.970985][ C0] do_syscall_64+0x2d/0x70 [ 1154.975401][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1154.981282][ C0] RIP: 0033:0x448449 [ 1154.985179][ C0] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 ab 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1155.005255][ C0] RSP: 002b:00007f564595dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 1155.013668][ C0] RAX: ffffffffffffffda RBX: 00000000006ddc28 RCX: 0000000000448449 [ 1155.021628][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 [ 1155.029699][ C0] RBP: 00000000006ddc20 R08: 0000000000000000 R09: 0000000000000000 [ 1155.037677][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000006ddc2c [ 1155.045717][ C0] R13: 00007ffffbc33e5f R14: 00007f564595e9c0 R15: 20c49ba5e353f7cf