[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [ 53.611794][ T26] audit: type=1800 audit(1568336197.361:21): pid=9140 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 53.646813][ T26] audit: type=1800 audit(1568336197.361:22): pid=9140 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. syzkaller login: [ 65.756938][ T9292] IPVS: ftp: loaded support on port[0] = 21 [ 65.794413][ T9292] chnl_net:caif_netlink_parms(): no params data found [ 65.814873][ T9292] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.822467][ T9292] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.830422][ T9292] device bridge_slave_0 entered promiscuous mode [ 65.838010][ T9292] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.845474][ T9292] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.853049][ T9292] device bridge_slave_1 entered promiscuous mode [ 65.865795][ T9292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.876249][ T9292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.892414][ T9292] team0: Port device team_slave_0 added [ 65.899224][ T9292] team0: Port device team_slave_1 added [ 65.971139][ T9292] device hsr_slave_0 entered promiscuous mode [ 66.010170][ T9292] device hsr_slave_1 entered promiscuous mode [ 66.054143][ T9292] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.061556][ T9292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.068959][ T9292] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.076048][ T9292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.099382][ T9292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.109215][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.129997][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.137613][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.145719][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.155300][ T9292] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.165544][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.174388][ T3020] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.181485][ T3020] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.200425][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.209668][ T23] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.216831][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.224999][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.235044][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.244046][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 66.253684][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.263345][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.273191][ T9292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.286612][ T9292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 171.309567][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.316195][ C1] rcu: 1-...!: (10500 ticks this GP) idle=dee/0/0x3 softirq=9631/9631 fqs=0 [ 171.325018][ C1] (t=10501 jiffies g=6961 q=106) [ 171.330017][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6961 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 171.341608][ C1] rcu: RCU grace-period kthread stack dump: [ 171.347590][ C1] rcu_preempt I29080 10 2 0x80004000 [ 171.353904][ C1] Call Trace: [ 171.357191][ C1] __schedule+0x877/0xc50 [ 171.361505][ C1] schedule+0x131/0x1e0 [ 171.365638][ C1] schedule_timeout+0x14f/0x240 [ 171.370465][ C1] ? run_local_timers+0x120/0x120 [ 171.375556][ C1] rcu_gp_kthread+0xef8/0x1790 [ 171.380320][ C1] kthread+0x332/0x350 [ 171.384554][ C1] ? rcu_report_qs_rsp+0x150/0x150 [ 171.389762][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.394336][ C1] ret_from_fork+0x24/0x30 [ 171.399060][ C1] Sending NMI from CPU 1 to CPUs 0: [ 171.404809][ C0] NMI backtrace for cpu 0 [ 171.404813][ C0] CPU: 0 PID: 3020 Comm: kworker/0:2 Not tainted 5.3.0-rc8+ #0 [ 171.404816][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.404818][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 171.404822][ C0] RIP: 0010:native_queued_spin_lock_slowpath+0x92/0x9e0 [ 171.404827][ C0] Code: 84 c0 74 54 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 47 4c 89 ff e8 7f f4 51 00 eb 3d 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f3 90 <4c> 89 ff be 04 00 00 00 e8 91 c5 51 00 42 0f b6 04 2b 84 c0 74 18 [ 171.404829][ C0] RSP: 0018:ffff8880aea09088 EFLAGS: 00000202 [ 171.404833][ C0] RAX: 0000000000000000 RBX: 1ffff11012dd6a65 RCX: ffffffff815a93ef [ 171.404836][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888096eb5328 [ 171.404838][ C0] RBP: ffff8880aea09100 R08: dffffc0000000000 R09: ffffed1012dd6a66 [ 171.404841][ C0] R10: ffffed1012dd6a66 R11: 0000000000000000 R12: ffff888096eb5330 [ 171.404843][ C0] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff888096eb5328 [ 171.404846][ C0] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 171.404848][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.404851][ C0] CR2: 00000000004c6f48 CR3: 000000000886d000 CR4: 00000000001406f0 [ 171.404854][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 171.404856][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 171.404858][ C0] Call Trace: [ 171.404859][ C0] <IRQ> [ 171.404861][ C0] ? trace_lock_acquire+0x159/0x1d0 [ 171.404863][ C0] do_raw_spin_lock+0x1d6/0x2d0 [ 171.404865][ C0] _raw_spin_lock+0x39/0x40 [ 171.404867][ C0] __dev_queue_xmit+0xde0/0x3020 [ 171.404869][ C0] ? _raw_spin_unlock_irqrestore+0xbc/0xe0 [ 171.404871][ C0] ? ebt_do_table+0x2614/0x2700 [ 171.404872][ C0] dev_queue_xmit+0x17/0x20 [ 171.404874][ C0] br_dev_queue_push_xmit+0x551/0x650 [ 171.404876][ C0] br_nf_dev_queue_xmit+0x312/0x1590 [ 171.404878][ C0] br_nf_post_routing+0xa5f/0xea0 [ 171.404880][ C0] ? br_nf_forward_arp+0xab0/0xab0 [ 171.404882][ C0] nf_hook_slow+0xc8/0x210 [ 171.404884][ C0] nf_hook+0x23a/0x310 [ 171.404885][ C0] ? fdb_add_hw_addr+0x220/0x220 [ 171.404887][ C0] br_forward_finish+0x7a/0xc0 [ 171.404889][ C0] ? fdb_add_hw_addr+0x220/0x220 [ 171.404891][ C0] br_nf_forward_finish+0x8f4/0xc80 [ 171.404893][ C0] ? rcu_lock_release+0x26/0x30 [ 171.404895][ C0] ? br_dev_queue_push_xmit+0x650/0x650 [ 171.404897][ C0] br_nf_forward_ip+0xed4/0x13f0 [ 171.404899][ C0] ? br_nf_pre_routing+0x1380/0x1380 [ 171.404901][ C0] nf_hook_slow+0xc8/0x210 [ 171.404902][ C0] nf_hook+0x23a/0x310 [ 171.404905][ C0] ? br_dev_queue_push_xmit+0x650/0x650 [ 171.404906][ C0] __br_forward+0x39e/0x720 [ 171.404908][ C0] ? br_dev_queue_push_xmit+0x650/0x650 [ 171.404910][ C0] br_flood+0x7af/0x840 [ 171.404912][ C0] br_handle_frame_finish+0xf37/0x1370 [ 171.404914][ C0] ? nf_hook_slow+0x17d/0x210 [ 171.404916][ C0] br_nf_hook_thresh+0x306/0x390 [ 171.404918][ C0] ? brport_get_ownership+0x80/0x80 [ 171.404920][ C0] br_nf_pre_routing_finish_ipv6+0x8ac/0xb30 [ 171.404922][ C0] ? brport_get_ownership+0x80/0x80 [ 171.404924][ C0] br_nf_pre_routing_ipv6+0x2ab/0x350 [ 171.404925][ C0] br_nf_pre_routing+0x6ca/0x1380 [ 171.404927][ C0] ? brnf_device_event+0x1f0/0x1f0 [ 171.404929][ C0] br_handle_frame+0x7d9/0xeb0 [ 171.404931][ C0] ? brport_get_ownership+0x80/0x80 [ 171.404933][ C0] ? br_pass_frame_up+0x4c0/0x4c0 [ 171.404935][ C0] __netif_receive_skb_core+0x1a7d/0x3470 [ 171.404937][ C0] __netif_receive_skb+0xc5/0x370 [ 171.404939][ C0] process_backlog+0x4d8/0x910 [ 171.404941][ C0] net_rx_action+0x5ef/0xfd0 [ 171.404943][ C0] __do_softirq+0x333/0x7c4 [ 171.404945][ C0] ? do_softirq_own_stack+0x2a/0x40 [ 171.404947][ C0] do_softirq_own_stack+0x2a/0x40 [ 171.404948][ C0] </IRQ> [ 171.404950][ C0] do_softirq+0xfd/0x190 [ 171.404952][ C0] ? local_bh_enable+0x9/0x30 [ 171.404954][ C0] __local_bh_enable_ip+0x194/0x240 [ 171.404955][ C0] local_bh_enable+0x1f/0x30 [ 171.404957][ C0] ip6_finish_output2+0x109f/0x13d0 [ 171.404959][ C0] __ip6_finish_output+0x693/0x910 [ 171.404961][ C0] ip6_finish_output+0x52/0x1e0 [ 171.404963][ C0] ? ip6_output+0x25a/0x390 [ 171.404965][ C0] ip6_output+0x26f/0x390 [ 171.404966][ C0] ndisc_send_skb+0xa35/0xe40 [ 171.404968][ C0] ndisc_send_ns+0x5ce/0x7b0 [ 171.404970][ C0] addrconf_dad_work+0xe40/0x1c20 [ 171.404972][ C0] process_one_work+0x7ef/0x10e0 [ 171.404974][ C0] worker_thread+0xc01/0x1630 [ 171.404975][ C0] kthread+0x332/0x350 [ 171.404977][ C0] ? rcu_lock_release+0x30/0x30 [ 171.404979][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.404981][ C0] ret_from_fork+0x24/0x30 [ 171.405272][ C1] NMI backtrace for cpu 1 [ 171.875796][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc8+ #0 [ 171.882901][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.892936][ C1] Call Trace: [ 171.896202][ C1] <IRQ> [ 171.899056][ C1] dump_stack+0x1d8/0x2f8 [ 171.903465][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.908313][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.914447][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.920494][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.926454][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.932327][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.937417][ C1] rcu_sched_clock_irq+0xb95/0x16d0 [ 171.942594][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.947646][ C1] update_process_times+0x134/0x190 [ 171.952821][ C1] tick_sched_timer+0x263/0x420 [ 171.957736][ C1] ? tick_setup_sched_timer+0x2c0/0x2c0 [ 171.963265][ C1] __hrtimer_run_queues+0x403/0x850 [ 171.968448][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.973565][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.979282][ C1] apic_timer_interrupt+0xf/0x20 [ 171.984470][ C1] RIP: 0010:__list_del_entry_valid+0x49/0x100 [ 171.990952][ C1] Code: 48 c1 e8 03 42 80 3c 20 00 74 05 e8 71 c4 58 fe 4d 8b 7e 08 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 57 c4 58 fe <48> ba 00 01 00 00 00 00 ad de 49 8b 1e 48 39 d3 74 54 48 83 c2 22 [ 172.010635][ C1] RSP: 0018:ffff8880aeb09370 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.019033][ C1] RAX: 1ffff11012dd6aa7 RBX: ffff888096eb5538 RCX: ffff8880a98bc340 [ 172.026996][ C1] RDX: 0000000000000702 RSI: 0000000000000000 RDI: ffff888096eb5540 [ 172.035045][ C1] RBP: ffff8880aeb09390 R08: ffffffff860c5d6a R09: 0000000000000000 [ 172.043191][ C1] R10: fffffbfff117be8d R11: 0000000000000000 R12: dffffc0000000000 [ 172.051147][ C1] R13: ffff888096eb5240 R14: ffff888096eb5538 R15: ffff888096eb55d0 [ 172.059111][ C1] ? apic_timer_interrupt+0xa/0x20 [ 172.064204][ C1] ? hhf_dequeue+0x15a/0xaa0 [ 172.068778][ C1] hhf_dequeue+0x487/0xaa0 [ 172.073184][ C1] __qdisc_run+0x217/0x1b30 [ 172.077671][ C1] ? dev_queue_xmit+0x17/0x20 [ 172.082499][ C1] __dev_queue_xmit+0x1161/0x3020 [ 172.087509][ C1] dev_queue_xmit+0x17/0x20 [ 172.091992][ C1] br_dev_queue_push_xmit+0x551/0x650 [ 172.097444][ C1] ? fdb_add_hw_addr+0x220/0x220 [ 172.102367][ C1] __br_forward+0x439/0x720 [ 172.106868][ C1] br_flood+0x52e/0x840 [ 172.111045][ C1] br_dev_xmit+0xcb6/0x1100 [ 172.115792][ C1] dev_hard_start_xmit+0x1c1/0x3f0 [ 172.120883][ C1] __dev_queue_xmit+0x1e86/0x3020 [ 172.125978][ C1] ? ip6_finish_output2+0xc95/0x13d0 [ 172.131242][ C1] ? ip6_finish_output2+0xdc6/0x13d0 [ 172.136683][ C1] dev_queue_xmit+0x17/0x20 [ 172.141167][ C1] ip6_finish_output2+0xff2/0x13d0 [ 172.146268][ C1] __ip6_finish_output+0x693/0x910 [ 172.151456][ C1] ip6_finish_output+0x52/0x1e0 [ 172.156375][ C1] ? ip6_output+0x25a/0x390 [ 172.160861][ C1] ip6_output+0x26f/0x390 [ 172.165177][ C1] mld_sendpack+0x770/0xb90 [ 172.169681][ C1] mld_ifc_timer_expire+0x820/0xb70 [ 172.174861][ C1] ? mld_gq_timer_expire+0x80/0x80 [ 172.180042][ C1] call_timer_fn+0x95/0x170 [ 172.184542][ C1] ? mld_gq_timer_expire+0x80/0x80 [ 172.189741][ C1] __run_timers+0x79e/0x970 [ 172.194505][ C1] ? check_preemption_disabled+0x47/0x2a0 [ 172.200300][ C1] ? check_preemption_disabled+0x47/0x2a0 [ 172.206013][ C1] run_timer_softirq+0x4a/0x90 [ 172.210771][ C1] __do_softirq+0x333/0x7c4 [ 172.215351][ C1] ? irq_exit+0x227/0x230 [ 172.219670][ C1] irq_exit+0x227/0x230 [ 172.223893][ C1] smp_apic_timer_interrupt+0x113/0x280 [ 172.229417][ C1] apic_timer_interrupt+0xf/0x20 [ 172.234340][ C1] </IRQ> [ 172.237271][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 172.243159][ C1] Code: 30 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 54 a1 30 fa eb b0 90 90 e9 07 00 00 00 0f 00 2d 96 a0 46 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 86 a0 46 00 f4 c3 90 90 55 48 89 e5 [ 172.262839][ C1] RSP: 0018:ffff8880a98c7e10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 172.271254][ C1] RAX: 1ffffffff11150f3 RBX: ffff8880a98bc340 RCX: dffffc0000000000 [ 172.279213][ C1] RDX: 0000000000000000 RSI: ffffffff812b7a1a RDI: ffffffff877be46a [ 172.287166][ C1] RBP: ffff8880a98c7e18 R08: ffffffff81790e54 R09: ffffed1015317869 [ 172.295213][ C1] R10: ffffed1015317869 R11: 0000000000000000 R12: dffffc0000000000 [ 172.303162][ C1] R13: 1ffff11015317868 R14: dffffc0000000000 R15: 0000000000000001 [ 172.311131][ C1] ? trace_hardirqs_on+0x34/0x80 [ 172.316046][ C1] ? arch_cpu_idle+0xa/0x10 [ 172.320524][ C1] ? default_idle+0x1a/0x70 [ 172.325005][ C1] ? default_idle+0x50/0x70 [ 172.329485][ C1] arch_cpu_idle+0xa/0x10 [ 172.333791][ C1] default_idle_call+0x59/0xa0 [ 172.338532][ C1] do_idle+0x140/0x6d0 [ 172.342582][ C1] cpu_startup_entry+0x25/0x30 [ 172.347336][ C1] start_secondary+0x3a5/0x430 [ 172.352079][ C1] secondary_startup_64+0xa4/0xb0