[info] Using makefile-style concurrent boot in runlevel 2. [ 52.463647][ T26] audit: type=1800 audit(1567786131.411:21): pid=9043 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 52.508780][ T26] audit: type=1800 audit(1567786131.411:22): pid=9043 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[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. syzkaller login: [ 65.345249][ T9195] IPVS: ftp: loaded support on port[0] = 21 [ 65.379567][ T9195] chnl_net:caif_netlink_parms(): no params data found [ 65.398221][ T9195] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.406486][ T9195] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.414198][ T9195] device bridge_slave_0 entered promiscuous mode [ 65.421487][ T9195] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.428613][ T9195] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.436020][ T9195] device bridge_slave_1 entered promiscuous mode [ 65.448254][ T9195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.458371][ T9195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.472350][ T9195] team0: Port device team_slave_0 added [ 65.479001][ T9195] team0: Port device team_slave_1 added [ 65.548372][ T9195] device hsr_slave_0 entered promiscuous mode [ 65.617127][ T9195] device hsr_slave_1 entered promiscuous mode [ 65.701112][ T9195] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.708230][ T9195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.715496][ T9195] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.722567][ T9195] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.744426][ T9195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.753784][ T3518] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.773066][ T3518] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.780473][ T3518] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.788327][ T3518] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.797790][ T9195] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.807903][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.816089][ T3024] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.823209][ T3024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.831012][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.839819][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.847487][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.863054][ T9195] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.873958][ T9195] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.886795][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.895674][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.903946][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 65.912118][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.920686][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.928172][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.941543][ T9195] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.976843][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.983483][ C0] rcu: 0-...!: (10500 ticks this GP) idle=d6e/0/0x3 softirq=9083/9083 fqs=0 [ 170.992302][ C0] (t=10501 jiffies g=6617 q=143) [ 170.997324][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6617 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 171.008569][ C0] rcu: RCU grace-period kthread stack dump: [ 171.014434][ C0] rcu_preempt I29080 10 2 0x80004000 [ 171.020745][ C0] Call Trace: [ 171.024017][ C0] __schedule+0x877/0xc50 [ 171.028323][ C0] schedule+0x131/0x1e0 [ 171.032454][ C0] schedule_timeout+0x14f/0x240 [ 171.037280][ C0] ? run_local_timers+0x120/0x120 [ 171.042281][ C0] rcu_gp_kthread+0xef8/0x1790 [ 171.047035][ C0] kthread+0x332/0x350 [ 171.051079][ C0] ? rcu_report_qs_rsp+0x150/0x150 [ 171.056162][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.060739][ C0] ret_from_fork+0x24/0x30 [ 171.065165][ C0] NMI backtrace for cpu 0 [ 171.069646][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc7+ #0 [ 171.076724][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.086751][ C0] Call Trace: [ 171.090008][ C0] [ 171.092837][ C0] dump_stack+0x1d8/0x2f8 [ 171.097140][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.101961][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.108101][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.114144][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.120123][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.126000][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.131111][ C0] rcu_sched_clock_irq+0xb95/0x16d0 [ 171.136295][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.141304][ C0] update_process_times+0x134/0x190 [ 171.146536][ C0] tick_sched_timer+0x263/0x420 [ 171.151363][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0 [ 171.156885][ C0] __hrtimer_run_queues+0x403/0x850 [ 171.162062][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.166985][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.172503][ C0] apic_timer_interrupt+0xf/0x20 [ 171.177416][ C0] RIP: 0010:__list_add_valid+0xc/0xc0 [ 171.182766][ C0] Code: 89 e5 53 48 89 fb e8 83 d6 1f fe 48 c7 c7 56 5a 45 88 48 89 de e8 44 fd ff ff 5b 5d c3 90 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 49 89 d6 49 89 f4 49 89 ff 49 bd 00 00 00 00 00 fc ff df 48 8d [ 171.202343][ C0] RSP: 0018:ffff8880aea09730 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.210726][ C0] RAX: 1ffff11012f53d0a RBX: 1ffff11012f53d0b RCX: ffffffff88875a00 [ 171.218672][ C0] RDX: ffff888097a9e850 RSI: ffff888097a9e850 RDI: ffff888097a9e7b8 [ 171.228030][ C0] RBP: ffff8880aea09750 R08: ffffffff860c4d6a R09: 0000000000000000 [ 171.235976][ C0] R10: fffffbfff117be8d R11: 0000000000000000 R12: dffffc0000000000 [ 171.243924][ C0] R13: ffff888097a9e4c0 R14: ffff888097a9e850 R15: ffff888097a9e840 [ 171.251876][ C0] ? apic_timer_interrupt+0xa/0x20 [ 171.256999][ C0] ? hhf_dequeue+0x15a/0xaa0 [ 171.261578][ C0] hhf_dequeue+0x535/0xaa0 [ 171.265980][ C0] __qdisc_run+0x217/0x1b30 [ 171.270466][ C0] ? dev_queue_xmit+0x17/0x20 [ 171.275118][ C0] __dev_queue_xmit+0x1161/0x3020 [ 171.281617][ C0] ? ip6_finish_output2+0xdc6/0x13d0 [ 171.286878][ C0] dev_queue_xmit+0x17/0x20 [ 171.291355][ C0] ip6_finish_output2+0xff2/0x13d0 [ 171.296446][ C0] __ip6_finish_output+0x693/0x910 [ 171.301532][ C0] ip6_finish_output+0x52/0x1e0 [ 171.306356][ C0] ? ip6_output+0x25a/0x390 [ 171.310840][ C0] ip6_output+0x26f/0x390 [ 171.315146][ C0] mld_sendpack+0x770/0xb90 [ 171.319633][ C0] mld_ifc_timer_expire+0x820/0xb70 [ 171.324806][ C0] ? mld_gq_timer_expire+0x80/0x80 [ 171.329890][ C0] call_timer_fn+0x95/0x170 [ 171.334367][ C0] ? mld_gq_timer_expire+0x80/0x80 [ 171.339454][ C0] __run_timers+0x79e/0x970 [ 171.343933][ C0] ? check_preemption_disabled+0x47/0x2a0 [ 171.349626][ C0] ? check_preemption_disabled+0x47/0x2a0 [ 171.355339][ C0] run_timer_softirq+0x4a/0x90 [ 171.360088][ C0] __do_softirq+0x333/0x7c4 [ 171.364578][ C0] ? irq_exit+0x227/0x230 [ 171.368884][ C0] irq_exit+0x227/0x230 [ 171.373014][ C0] smp_apic_timer_interrupt+0x113/0x280 [ 171.378621][ C0] apic_timer_interrupt+0xf/0x20 [ 171.383527][ C0] [ 171.386440][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 171.391789][ C0] Code: 30 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 f4 b0 30 fa eb b0 90 90 e9 07 00 00 00 0f 00 2d 96 b0 46 00 fb f4 90 e9 07 00 00 00 0f 00 2d 86 b0 46 00 f4 c3 90 90 55 48 89 e5 [ 171.411798][ C0] RSP: 0018:ffffffff88807dc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 171.420192][ C0] RAX: 1ffffffff11150f3 RBX: ffffffff88875a00 RCX: dffffc0000000000 [ 171.428145][ C0] RDX: 0000000000000000 RSI: ffffffff812b7a1a RDI: ffffffff877bd46a [ 171.436094][ C0] RBP: ffffffff88807dc8 R08: ffffffff81790e14 R09: fffffbfff110eb41 [ 171.444050][ C0] R10: fffffbfff110eb41 R11: 0000000000000000 R12: dffffc0000000000 [ 171.452012][ C0] R13: 1ffffffff110eb40 R14: dffffc0000000000 R15: 0000000000000000 [ 171.459981][ C0] ? trace_hardirqs_on+0x34/0x80 [ 171.464920][ C0] ? arch_cpu_idle+0xa/0x10 [ 171.469404][ C0] ? default_idle+0x1a/0x70 [ 171.473885][ C0] ? default_idle+0x50/0x70 [ 171.478363][ C0] arch_cpu_idle+0xa/0x10 [ 171.482681][ C0] default_idle_call+0x59/0xa0 [ 171.487418][ C0] do_idle+0x140/0x6d0 [ 171.491466][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 171.496812][ C0] cpu_startup_entry+0x25/0x30 [ 171.501639][ C0] rest_init+0x29d/0x2b0 [ 171.505856][ C0] arch_call_rest_init+0xe/0x10 [ 171.510680][ C0] start_kernel+0x6f5/0x7f6 [ 171.515159][ C0] x86_64_start_reservations+0x18/0x2e [ 171.520591][ C0] x86_64_start_kernel+0x7a/0x7d [ 171.525504][ C0] secondary_startup_64+0xa4/0xb0