[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2.
[ 52.297396][ T26] audit: type=1800 audit(1568221911.240:21): pid=9092 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0
[ 52.332868][ T26] audit: type=1800 audit(1568221911.240:22): pid=9092 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 '10.128.0.135' (ECDSA) to the list of known hosts.
syzkaller login: [ 234.649852][ T9246] IPVS: ftp: loaded support on port[0] = 21
[ 234.687574][ T9246] chnl_net:caif_netlink_parms(): no params data found
[ 234.705785][ T9246] bridge0: port 1(bridge_slave_0) entered blocking state
[ 234.712908][ T9246] bridge0: port 1(bridge_slave_0) entered disabled state
[ 234.720762][ T9246] device bridge_slave_0 entered promiscuous mode
[ 234.727808][ T9246] bridge0: port 2(bridge_slave_1) entered blocking state
[ 234.734913][ T9246] bridge0: port 2(bridge_slave_1) entered disabled state
[ 234.742304][ T9246] device bridge_slave_1 entered promiscuous mode
[ 234.754838][ T9246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 234.765090][ T9246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 234.779539][ T9246] team0: Port device team_slave_0 added
[ 234.786215][ T9246] team0: Port device team_slave_1 added
[ 234.846167][ T9246] device hsr_slave_0 entered promiscuous mode
[ 234.884949][ T9246] device hsr_slave_1 entered promiscuous mode
[ 234.929044][ T9246] bridge0: port 2(bridge_slave_1) entered blocking state
[ 234.936109][ T9246] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 234.943342][ T9246] bridge0: port 1(bridge_slave_0) entered blocking state
[ 234.950394][ T9246] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 234.972234][ T9246] 8021q: adding VLAN 0 to HW filter on device bond0
[ 234.981725][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 235.000632][ T3023] bridge0: port 1(bridge_slave_0) entered disabled state
[ 235.008610][ T3023] bridge0: port 2(bridge_slave_1) entered disabled state
[ 235.016743][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 235.026195][ T9246] 8021q: adding VLAN 0 to HW filter on device team0
[ 235.035265][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 235.043471][ T5] bridge0: port 1(bridge_slave_0) entered blocking state
[ 235.050537][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 235.059166][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 235.067927][ T3023] bridge0: port 2(bridge_slave_1) entered blocking state
[ 235.075247][ T3023] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 235.087978][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 235.096446][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 235.106546][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 235.118565][ T9246] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
executing program
[ 235.129584][ T9246] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 235.140724][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 235.149065][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 235.157305][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 235.170865][ T9246] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 340.184666][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 340.191311][ C1] rcu: 1-...!: (10499 ticks this GP) idle=002/0/0x3 softirq=10025/10025 fqs=43
[ 340.200396][ C1] (t=10501 jiffies g=7201 q=173)
[ 340.205394][ C1] rcu: rcu_preempt kthread starved for 10416 jiffies! g7201 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 340.216641][ C1] rcu: RCU grace-period kthread stack dump:
[ 340.222516][ C1] rcu_preempt I28896 10 2 0x80004000
[ 340.228911][ C1] Call Trace:
[ 340.232310][ C1] __schedule+0x877/0xc50
[ 340.236629][ C1] schedule+0x131/0x1e0
[ 340.240781][ C1] schedule_timeout+0x14f/0x240
[ 340.246284][ C1] ? run_local_timers+0x120/0x120
[ 340.251321][ C1] rcu_gp_kthread+0xef8/0x1790
[ 340.256083][ C1] kthread+0x332/0x350
[ 340.260125][ C1] ? rcu_report_qs_rsp+0x150/0x150
[ 340.265208][ C1] ? kthread_blkcg+0xe0/0xe0
[ 340.269798][ C1] ret_from_fork+0x24/0x30
[ 340.274227][ C1] NMI backtrace for cpu 1
[ 340.278564][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc8+ #0
[ 340.285656][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 340.295710][ C1] Call Trace:
[ 340.298969][ C1]
[ 340.301896][ C1] dump_stack+0x1d8/0x2f8
[ 340.306206][ C1] nmi_cpu_backtrace+0xaf/0x1a0
[ 340.311032][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290
[ 340.317207][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 340.323245][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290
[ 340.329208][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 340.335280][ C1] rcu_dump_cpu_stacks+0x15a/0x220
[ 340.340377][ C1] rcu_sched_clock_irq+0xb95/0x16d0
[ 340.345628][ C1] ? trace_hardirqs_off+0x74/0x80
[ 340.350633][ C1] update_process_times+0x134/0x190
[ 340.355839][ C1] tick_sched_timer+0x263/0x420
[ 340.360665][ C1] ? tick_setup_sched_timer+0x2c0/0x2c0
[ 340.366189][ C1] __hrtimer_run_queues+0x403/0x850
[ 340.371378][ C1] hrtimer_interrupt+0x38c/0xda0
[ 340.376300][ C1] smp_apic_timer_interrupt+0x109/0x280
[ 340.381817][ C1] apic_timer_interrupt+0xf/0x20
[ 340.386790][ C1] RIP: 0010:hhf_dequeue+0x44e/0xaa0
[ 340.391978][ C1] Code: 3c 20 00 74 08 4c 89 f7 e8 af 28 a0 fb 49 89 1e e9 92 01 00 00 e8 d2 2c 67 fb 41 bf 01 00 00 00 4c 8b b5 78 ff ff ff 4c 89 f0 <48> c1 e8 03 42 0f b6 04 20 84 c0 0f 85 b2 02 00 00 45 0f af 3e 41
[ 340.411567][ C1] RSP: 0018:ffff8880aeb09478 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 340.419962][ C1] RAX: ffff8880a005b514 RBX: 0000000000000000 RCX: ffff8880a98bc340
[ 340.427919][ C1] RDX: 0000000000000702 RSI: 0000000000000000 RDI: 0000000000000001
[ 340.435870][ C1] RBP: ffff8880aeb09520 R08: ffffffff860c5d6a R09: 0000000000000000
[ 340.444294][ C1] R10: fffffbfff117be8d R11: 0000000000000000 R12: dffffc0000000000
[ 340.452254][ C1] R13: ffff8880a005b200 R14: ffff8880a005b514 R15: 0000000000000002
[ 340.460216][ C1] ? apic_timer_interrupt+0xa/0x20
[ 340.465305][ C1] ? hhf_dequeue+0x15a/0xaa0
[ 340.469873][ C1] ? hhf_dequeue+0x282/0xaa0
[ 340.474443][ C1] ? hhf_enqueue+0x19dc/0x2110
[ 340.479249][ C1] __qdisc_run+0x217/0x1b30
[ 340.483757][ C1] ? dev_queue_xmit+0x17/0x20
[ 340.488407][ C1] __dev_queue_xmit+0x1161/0x3020
[ 340.493417][ C1] dev_queue_xmit+0x17/0x20
[ 340.497931][ C1] br_dev_queue_push_xmit+0x551/0x650
[ 340.503278][ C1] ? fdb_add_hw_addr+0x220/0x220
[ 340.508197][ C1] __br_forward+0x439/0x720
[ 340.512675][ C1] br_flood+0x52e/0x840
[ 340.516837][ C1] br_dev_xmit+0xcb6/0x1100
[ 340.521332][ C1] dev_hard_start_xmit+0x1c1/0x3f0
[ 340.526431][ C1] __dev_queue_xmit+0x1e86/0x3020
[ 340.531472][ C1] ? ip_finish_output2+0x10b5/0x18d0
[ 340.536729][ C1] ? ip_finish_output2+0x11ee/0x18d0
[ 340.541988][ C1] dev_queue_xmit+0x17/0x20
[ 340.546475][ C1] ip_finish_output2+0x145c/0x18d0
[ 340.551562][ C1] __ip_finish_output+0x801/0xa70
[ 340.556569][ C1] ip_finish_output+0x52/0x1e0
[ 340.561306][ C1] ? ip_output+0x17e/0x280
[ 340.565692][ C1] ip_output+0x1bc/0x280
[ 340.569907][ C1] ip_local_out+0x105/0x140
[ 340.574443][ C1] igmpv3_sendpack+0x15a/0x230
[ 340.579181][ C1] igmp_ifc_timer_expire+0xb39/0xf60
[ 340.584439][ C1] ? call_timer_fn+0x5d/0x170
[ 340.589100][ C1] ? igmp_gq_timer_expire+0x80/0x80
[ 340.594269][ C1] call_timer_fn+0x95/0x170
[ 340.598756][ C1] ? igmp_gq_timer_expire+0x80/0x80
[ 340.603927][ C1] __run_timers+0x79e/0x970
[ 340.608455][ C1] ? check_preemption_disabled+0x47/0x2a0
[ 340.614153][ C1] ? check_preemption_disabled+0x47/0x2a0
[ 340.619845][ C1] run_timer_softirq+0x4a/0x90
[ 340.624581][ C1] __do_softirq+0x333/0x7c4
[ 340.629115][ C1] ? irq_exit+0x227/0x230
[ 340.633424][ C1] irq_exit+0x227/0x230
[ 340.637552][ C1] smp_apic_timer_interrupt+0x113/0x280
[ 340.643079][ C1] apic_timer_interrupt+0xf/0x20
[ 340.647985][ C1]
[ 340.650900][ C1] RIP: 0010:native_safe_halt+0xe/0x10
[ 340.656245][ C1] Code: 30 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 34 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
[ 340.675828][ C1] RSP: 0018:ffff8880a98c7e10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 340.684210][ C1] RAX: 1ffffffff11150f3 RBX: ffff8880a98bc340 RCX: dffffc0000000000
[ 340.692152][ C1] RDX: 0000000000000000 RSI: ffffffff812b7a1a RDI: ffffffff877be46a
[ 340.700096][ C1] RBP: ffff8880a98c7e18 R08: ffffffff81790e54 R09: ffffed1015317869
[ 340.708051][ C1] R10: ffffed1015317869 R11: 0000000000000000 R12: dffffc0000000000
[ 340.716006][ C1] R13: 1ffff11015317868 R14: dffffc0000000000 R15: 0000000000000001
[ 340.724139][ C1] ? trace_hardirqs_on+0x34/0x80
[ 340.729093][ C1] ? arch_cpu_idle+0xa/0x10
[ 340.733586][ C1] ? default_idle+0x1a/0x70
[ 340.738063][ C1] ? default_idle+0x50/0x70
[ 340.742536][ C1] arch_cpu_idle+0xa/0x10
[ 340.746852][ C1] default_idle_call+0x59/0xa0
[ 340.751646][ C1] do_idle+0x140/0x6d0
[ 340.755693][ C1] cpu_startup_entry+0x25/0x30
[ 340.760428][ C1] start_secondary+0x3a5/0x430
[ 340.765179][ C1] secondary_startup_64+0xa4/0xb0