[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2.
[ 52.806935][ T26] audit: type=1800 audit(1568433680.457:21): pid=9086 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0
[ 52.850154][ T26] audit: type=1800 audit(1568433680.457:22): pid=9086 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 '10.128.0.3' (ECDSA) to the list of known hosts.
syzkaller login: [ 259.370666][ T9238] IPVS: ftp: loaded support on port[0] = 21
[ 259.406225][ T9238] chnl_net:caif_netlink_parms(): no params data found
[ 259.425158][ T9238] bridge0: port 1(bridge_slave_0) entered blocking state
[ 259.432601][ T9238] bridge0: port 1(bridge_slave_0) entered disabled state
[ 259.440244][ T9238] device bridge_slave_0 entered promiscuous mode
[ 259.447330][ T9238] bridge0: port 2(bridge_slave_1) entered blocking state
[ 259.454524][ T9238] bridge0: port 2(bridge_slave_1) entered disabled state
[ 259.462021][ T9238] device bridge_slave_1 entered promiscuous mode
[ 259.474234][ T9238] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 259.484549][ T9238] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 259.498532][ T9238] team0: Port device team_slave_0 added
[ 259.505224][ T9238] team0: Port device team_slave_1 added
[ 259.550922][ T9238] device hsr_slave_0 entered promiscuous mode
[ 259.589660][ T9238] device hsr_slave_1 entered promiscuous mode
[ 259.644434][ T9238] bridge0: port 2(bridge_slave_1) entered blocking state
[ 259.651775][ T9238] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 259.659025][ T9238] bridge0: port 1(bridge_slave_0) entered blocking state
[ 259.666353][ T9238] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 259.687755][ T9238] 8021q: adding VLAN 0 to HW filter on device bond0
[ 259.697131][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 259.719266][ T3042] bridge0: port 1(bridge_slave_0) entered disabled state
[ 259.726927][ T3042] bridge0: port 2(bridge_slave_1) entered disabled state
[ 259.735159][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 259.744613][ T9238] 8021q: adding VLAN 0 to HW filter on device team0
[ 259.753437][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 259.761751][ T17] bridge0: port 1(bridge_slave_0) entered blocking state
[ 259.768780][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 259.777852][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 259.786421][ T3042] bridge0: port 2(bridge_slave_1) entered blocking state
[ 259.793529][ T3042] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 259.809234][ T9238] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 259.820604][ T9238] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 259.833602][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
executing program
executing program
executing program
executing program
executing program
executing program
[ 259.842694][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 259.850997][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 259.859158][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 259.867512][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 259.875445][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 259.888970][ T9238] 8021q: adding VLAN 0 to HW filter on device batadv0
executing program
executing program
executing program
executing program
[ 364.939306][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 364.945957][ C0] rcu: 0-...!: (1 GPs behind) idle=0c6/0/0x3 softirq=8943/8951 fqs=7
[ 364.954269][ C0] (t=10500 jiffies g=7061 q=201)
[ 364.959273][ C0] rcu: rcu_preempt kthread starved for 10486 jiffies! g7061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
[ 364.970649][ C0] rcu: RCU grace-period kthread stack dump:
[ 364.976527][ C0] rcu_preempt I29080 10 2 0x80004000
[ 364.982855][ C0] Call Trace:
[ 364.986243][ C0] __schedule+0x877/0xc50
[ 364.990554][ C0] schedule+0x131/0x1e0
[ 364.994690][ C0] schedule_timeout+0x14f/0x240
[ 364.999578][ C0] ? run_local_timers+0x120/0x120
[ 365.004965][ C0] rcu_gp_kthread+0xef8/0x1790
[ 365.009927][ C0] kthread+0x332/0x350
[ 365.013973][ C0] ? rcu_report_qs_rsp+0x150/0x150
[ 365.019147][ C0] ? kthread_blkcg+0xe0/0xe0
[ 365.023749][ C0] ret_from_fork+0x24/0x30
[ 365.028219][ C0] NMI backtrace for cpu 0
[ 365.032657][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc8+ #0
[ 365.039831][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 365.049892][ C0] Call Trace:
[ 365.053185][ C0]
[ 365.056149][ C0] dump_stack+0x1d8/0x2f8
[ 365.060464][ C0] nmi_cpu_backtrace+0xaf/0x1a0
[ 365.065448][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290
[ 365.071689][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 365.077858][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290
[ 365.083818][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 365.089793][ C0] rcu_dump_cpu_stacks+0x15a/0x220
[ 365.094895][ C0] rcu_sched_clock_irq+0xb95/0x16d0
[ 365.100111][ C0] ? trace_hardirqs_off+0x74/0x80
[ 365.105220][ C0] update_process_times+0x134/0x190
[ 365.110438][ C0] tick_sched_timer+0x263/0x420
[ 365.115266][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 365.120807][ C0] __hrtimer_run_queues+0x403/0x850
[ 365.126010][ C0] hrtimer_interrupt+0x38c/0xda0
[ 365.130933][ C0] smp_apic_timer_interrupt+0x109/0x280
[ 365.136466][ C0] apic_timer_interrupt+0xf/0x20
[ 365.141424][ C0] RIP: 0010:__list_del_entry_valid+0x5f/0x100
[ 365.147487][ C0] Code: f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 27 c3 58 fe 48 ba 00 01 00 00 00 00 ad de 49 8b 1e 48 39 d3 74 54 48 83 c2 22 <49> 39 d7 74 5e 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff
[ 365.167076][ C0] RSP: 0018:ffff8880aea09730 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 365.175660][ C0] RAX: 1ffff11012df1d7f RBX: ffff888096f8ec90 RCX: ffffffff88875a00
[ 365.183610][ C0] RDX: dead000000000122 RSI: 0000000000000000 RDI: ffff888096f8ec00
[ 365.191571][ C0] RBP: ffff8880aea09750 R08: ffffffff860c5d6a R09: 0000000000000000
[ 365.199517][ C0] R10: fffffbfff117be8d R11: 0000000000000000 R12: dffffc0000000000
[ 365.207467][ C0] R13: ffff888096f8e900 R14: ffff888096f8ebf8 R15: ffff888096f8ec90
[ 365.215423][ C0] ? apic_timer_interrupt+0xa/0x20
[ 365.220586][ C0] ? hhf_dequeue+0x15a/0xaa0
[ 365.225183][ C0] hhf_dequeue+0x487/0xaa0
[ 365.229610][ C0] __qdisc_run+0x217/0x1b30
[ 365.234140][ C0] ? dev_queue_xmit+0x17/0x20
[ 365.238792][ C0] __dev_queue_xmit+0x1161/0x3020
[ 365.243828][ C0] ? ip6_finish_output2+0xdc6/0x13d0
[ 365.249621][ C0] dev_queue_xmit+0x17/0x20
[ 365.254115][ C0] ip6_finish_output2+0xff2/0x13d0
[ 365.259205][ C0] __ip6_finish_output+0x693/0x910
[ 365.264293][ C0] ip6_finish_output+0x52/0x1e0
[ 365.269116][ C0] ? ip6_output+0x25a/0x390
[ 365.273593][ C0] ip6_output+0x26f/0x390
[ 365.277973][ C0] mld_sendpack+0x770/0xb90
[ 365.282472][ C0] mld_ifc_timer_expire+0x820/0xb70
[ 365.287648][ C0] ? mld_gq_timer_expire+0x80/0x80
[ 365.292821][ C0] call_timer_fn+0x95/0x170
[ 365.297299][ C0] ? mld_gq_timer_expire+0x80/0x80
[ 365.302384][ C0] __run_timers+0x79e/0x970
[ 365.306876][ C0] ? check_preemption_disabled+0x47/0x2a0
[ 365.312568][ C0] ? check_preemption_disabled+0x47/0x2a0
[ 365.318280][ C0] run_timer_softirq+0x4a/0x90
[ 365.323033][ C0] __do_softirq+0x333/0x7c4
[ 365.327592][ C0] ? irq_exit+0x227/0x230
[ 365.331907][ C0] irq_exit+0x227/0x230
[ 365.336038][ C0] smp_apic_timer_interrupt+0x113/0x280
[ 365.341559][ C0] apic_timer_interrupt+0xf/0x20
[ 365.346480][ C0]
[ 365.349399][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 365.354748][ C0] Code: 30 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 44 a1 30 fa eb b0 90 90 e9 07 00 00 00 0f 00 2d 96 a0 46 00 fb f4 90 e9 07 00 00 00 0f 00 2d 86 a0 46 00 f4 c3 90 90 55 48 89 e5
[ 365.374345][ C0] RSP: 0018:ffffffff88807dc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 365.382749][ C0] RAX: 1ffffffff11150f3 RBX: ffffffff88875a00 RCX: dffffc0000000000
[ 365.390800][ C0] RDX: 0000000000000000 RSI: ffffffff812b7a1a RDI: ffffffff877be46a
[ 365.398767][ C0] RBP: ffffffff88807dc8 R08: ffffffff81790e44 R09: fffffbfff110eb41
[ 365.406725][ C0] R10: fffffbfff110eb41 R11: 0000000000000000 R12: dffffc0000000000
[ 365.414677][ C0] R13: 1ffffffff110eb40 R14: dffffc0000000000 R15: 0000000000000000
[ 365.422651][ C0] ? trace_hardirqs_on+0x34/0x80
[ 365.427731][ C0] ? arch_cpu_idle+0xa/0x10
[ 365.432213][ C0] ? default_idle+0x1a/0x70
[ 365.436692][ C0] ? default_idle+0x50/0x70
[ 365.441180][ C0] arch_cpu_idle+0xa/0x10
[ 365.445487][ C0] default_idle_call+0x59/0xa0
[ 365.450324][ C0] do_idle+0x140/0x6d0
[ 365.454395][ C0] ? debug_smp_processor_id+0x1c/0x20
[ 365.459773][ C0] cpu_startup_entry+0x25/0x30
[ 365.464517][ C0] rest_init+0x29d/0x2b0
[ 365.468815][ C0] arch_call_rest_init+0xe/0x10
[ 365.473642][ C0] start_kernel+0x6f5/0x7f6
[ 365.478121][ C0] x86_64_start_reservations+0x18/0x2e
[ 365.483558][ C0] x86_64_start_kernel+0x7a/0x7d
[ 365.488487][ C0] secondary_startup_64+0xa4/0xb0