[info] Using makefile-style concurrent boot in runlevel 2. [ 59.098330][ T26] audit: type=1800 audit(1568117440.430:21): pid=9506 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 59.150449][ T26] audit: type=1800 audit(1568117440.430:22): pid=9506 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.10.27' (ECDSA) to the list of known hosts. syzkaller login: [ 299.715464][ T9658] IPVS: ftp: loaded support on port[0] = 21 [ 299.760774][ T9658] chnl_net:caif_netlink_parms(): no params data found [ 299.782476][ T9658] bridge0: port 1(bridge_slave_0) entered blocking state [ 299.789573][ T9658] bridge0: port 1(bridge_slave_0) entered disabled state [ 299.797081][ T9658] device bridge_slave_0 entered promiscuous mode [ 299.804351][ T9658] bridge0: port 2(bridge_slave_1) entered blocking state [ 299.811400][ T9658] bridge0: port 2(bridge_slave_1) entered disabled state [ 299.818946][ T9658] device bridge_slave_1 entered promiscuous mode [ 299.832287][ T9658] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 299.842671][ T9658] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 299.857566][ T9658] team0: Port device team_slave_0 added [ 299.864463][ T9658] team0: Port device team_slave_1 added [ 299.923418][ T9658] device hsr_slave_0 entered promiscuous mode [ 299.971968][ T9658] device hsr_slave_1 entered promiscuous mode [ 300.056597][ T9658] bridge0: port 2(bridge_slave_1) entered blocking state [ 300.063676][ T9658] bridge0: port 2(bridge_slave_1) entered forwarding state [ 300.070924][ T9658] bridge0: port 1(bridge_slave_0) entered blocking state [ 300.078047][ T9658] bridge0: port 1(bridge_slave_0) entered forwarding state [ 300.102854][ T9658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 300.113562][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 300.121318][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 300.139314][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 300.147137][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 300.156871][ T9658] 8021q: adding VLAN 0 to HW filter on device team0 [ 300.165653][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 300.174228][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 300.181249][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 300.199801][ T9658] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 300.210300][ T9658] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 300.222492][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 300.230775][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 300.237827][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 300.245595][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready executing program [ 300.253959][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 300.262549][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 300.270590][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 300.278830][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 300.286306][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 300.299856][ T9658] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 405.611731][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 405.618376][ C1] rcu: 1-...!: (1 GPs behind) idle=a12/0/0x3 softirq=9690/9691 fqs=3 [ 405.626587][ C1] (t=10500 jiffies g=8673 q=9) [ 405.631433][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g8673 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 405.642679][ C1] rcu: RCU grace-period kthread stack dump: [ 405.648546][ C1] rcu_preempt I29328 10 2 0x80004000 [ 405.654874][ C1] Call Trace: [ 405.658237][ C1] __schedule+0x755/0x1580 [ 405.662646][ C1] ? __sched_text_start+0x8/0x8 [ 405.667487][ C1] schedule+0xd9/0x260 [ 405.671544][ C1] schedule_timeout+0x486/0xc50 [ 405.676374][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 405.681290][ C1] ? usleep_range+0x170/0x170 [ 405.686031][ C1] ? trace_hardirqs_on+0x67/0x240 [ 405.691034][ C1] ? __kasan_check_read+0x11/0x20 [ 405.696036][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 405.701561][ C1] ? swake_up_one+0x60/0x60 [ 405.706042][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 405.710787][ C1] ? rcu_barrier+0x310/0x310 [ 405.715352][ C1] ? trace_hardirqs_on+0x67/0x240 [ 405.720356][ C1] ? __kasan_check_read+0x11/0x20 [ 405.725374][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 405.731591][ C1] ? __kthread_parkme+0x108/0x1c0 [ 405.736589][ C1] ? __kasan_check_read+0x11/0x20 [ 405.741600][ C1] kthread+0x361/0x430 [ 405.745678][ C1] ? rcu_barrier+0x310/0x310 [ 405.750247][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 405.756463][ C1] ret_from_fork+0x24/0x30 [ 405.760885][ C1] NMI backtrace for cpu 1 [ 405.765196][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc8+ #0 [ 405.772277][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.782306][ C1] Call Trace: [ 405.785567][ C1] [ 405.788461][ C1] dump_stack+0x172/0x1f0 [ 405.792771][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 405.797948][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.804170][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 405.809780][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 405.815751][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 405.821623][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 405.826711][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 405.832240][ C1] ? raise_softirq+0x138/0x340 [ 405.836985][ C1] update_process_times+0x32/0x80 [ 405.841990][ C1] tick_sched_handle+0xa2/0x190 [ 405.846823][ C1] tick_sched_timer+0x53/0x140 [ 405.851566][ C1] __hrtimer_run_queues+0x364/0xe40 [ 405.856741][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 405.862011][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 405.867535][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.873233][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 405.879280][ C1] hrtimer_interrupt+0x314/0x770 [ 405.884263][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 405.889789][ C1] apic_timer_interrupt+0xf/0x20 [ 405.894706][ C1] RIP: 0010:__list_add_valid+0x50/0xa0 [ 405.900148][ C1] Code: 03 80 3c 02 00 75 52 49 8b 54 24 08 48 39 f2 0f 85 5a 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 80 3c 02 00 <75> 3c 48 8b 16 4c 39 e2 0f 85 5f 01 00 00 49 39 f5 0f 84 3f 01 00 [ 405.919728][ C1] RSP: 0018:ffff8880ae909010 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 405.928116][ C1] RAX: dffffc0000000000 RBX: ffff88808d3550b8 RCX: ffffffff85c66051 [ 405.936067][ C1] RDX: 1ffff11011a6aa2a RSI: ffff88808d355150 RDI: ffff88808d355158 [ 405.944015][ C1] RBP: ffff8880ae909028 R08: ffff8880a98c6340 R09: 0000000000000000 [ 405.951963][ C1] R10: fffffbfff134afaf R11: ffff8880a98c6340 R12: ffff88808d355150 [ 405.960023][ C1] R13: ffff88808d3550b8 R14: ffff88808d355158 R15: ffff88808d355150 [ 405.967981][ C1] ? apic_timer_interrupt+0xa/0x20 [ 405.973123][ C1] ? hhf_dequeue+0x5d1/0xa20 [ 405.977696][ C1] hhf_dequeue+0x66d/0xa20 [ 405.982129][ C1] __qdisc_run+0x1e7/0x19d0 [ 405.986633][ C1] ? dev_queue_xmit+0x18/0x20 [ 405.991295][ C1] __dev_queue_xmit+0x16f1/0x3650 [ 405.996298][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 406.001668][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 406.006940][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.013224][ C1] ? br_nf_post_routing+0xd73/0x1d30 [ 406.018515][ C1] ? br_forward_finish+0x235/0x400 [ 406.023616][ C1] ? __kasan_check_read+0x11/0x20 [ 406.028623][ C1] ? __dev_queue_xmit+0x2b15/0x3650 [ 406.033803][ C1] dev_queue_xmit+0x18/0x20 [ 406.038285][ C1] ? dev_queue_xmit+0x18/0x20 [ 406.042939][ C1] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 406.048344][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 406.052912][ C1] br_forward_finish+0xfa/0x400 [ 406.057740][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 406.063263][ C1] ? br_fdb_add.cold+0x8c/0x8c [ 406.068007][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.073714][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 406.078282][ C1] __br_forward+0x641/0xb00 [ 406.082764][ C1] ? br_forward_finish+0x400/0x400 [ 406.087851][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 406.093375][ C1] deliver_clone+0x61/0xc0 [ 406.097767][ C1] maybe_deliver+0x2c7/0x390 [ 406.102334][ C1] br_flood+0x13a/0x3d0 [ 406.106503][ C1] br_dev_xmit+0x98c/0x15a0 [ 406.111001][ C1] ? br_poll_controller+0x10/0x10 [ 406.116014][ C1] ? netif_skb_features+0x6c2/0xb90 [ 406.121223][ C1] ? netdev_set_sb_channel+0xe0/0xe0 [ 406.126493][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.132750][ C1] ? validate_xmit_xfrm+0x43c/0xf10 [ 406.137927][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.144155][ C1] dev_hard_start_xmit+0x1a3/0x9c0 [ 406.149253][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.155471][ C1] __dev_queue_xmit+0x2b15/0x3650 [ 406.160474][ C1] ? __nf_conntrack_find_get+0xa97/0x13a0 [ 406.166182][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 406.171508][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 406.176685][ C1] ? __kasan_check_read+0x11/0x20 [ 406.181688][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.187903][ C1] ? __nf_ct_refresh_acct+0x93/0x2d0 [ 406.193171][ C1] ? lock_downgrade+0x920/0x920 [ 406.197999][ C1] ? lock_acquire+0x190/0x410 [ 406.202656][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 406.207833][ C1] dev_queue_xmit+0x18/0x20 [ 406.212315][ C1] ? dev_queue_xmit+0x18/0x20 [ 406.216971][ C1] ip_finish_output2+0x1726/0x2570 [ 406.222102][ C1] ? nf_ct_deliver_cached_events+0x23d/0x6e0 [ 406.228066][ C1] ? ip_frag_next+0x910/0x910 [ 406.232719][ C1] ? __kasan_check_read+0x11/0x20 [ 406.237733][ C1] __ip_finish_output+0x5fc/0xb90 [ 406.242733][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 406.247928][ C1] ? audit_alloc_mark+0x430/0x500 [ 406.252932][ C1] ip_finish_output+0x38/0x1f0 [ 406.257674][ C1] ip_output+0x21f/0x640 [ 406.261894][ C1] ? ip_mc_output+0xf40/0xf40 [ 406.266552][ C1] ? __ip_finish_output+0xb90/0xb90 [ 406.271730][ C1] ? __kasan_check_read+0x11/0x20 [ 406.276736][ C1] ip_local_out+0xbb/0x190 [ 406.281181][ C1] igmpv3_sendpack+0x1b5/0x2c0 [ 406.285936][ C1] igmp_ifc_timer_expire+0x687/0xa00 [ 406.291199][ C1] ? call_timer_fn+0xe0/0x780 [ 406.295857][ C1] call_timer_fn+0x1ac/0x780 [ 406.300427][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 406.305520][ C1] ? msleep_interruptible+0x150/0x150 [ 406.310869][ C1] ? trace_hardirqs_on+0x67/0x240 [ 406.315871][ C1] ? __kasan_check_read+0x11/0x20 [ 406.320873][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 406.325964][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 406.331056][ C1] run_timer_softirq+0x697/0x17a0 [ 406.336063][ C1] ? add_timer+0x930/0x930 [ 406.340462][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.346682][ C1] __do_softirq+0x262/0x98c [ 406.351163][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 406.356011][ C1] irq_exit+0x19b/0x1e0 [ 406.360159][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 406.365697][ C1] apic_timer_interrupt+0xf/0x20 [ 406.370628][ C1] [ 406.373556][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 406.378908][ C1] Code: 38 73 6e fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 24 1b 4a 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 14 1b 4a 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 ee 32 22 fa e8 39 [ 406.398491][ C1] RSP: 0018:ffff8880a98dfd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.406878][ C1] RAX: 1ffffffff11a5e8d RBX: ffff8880a98c6340 RCX: 1ffffffff134b5ee [ 406.415612][ C1] RDX: dffffc0000000000 RSI: ffffffff8177f14e RDI: ffffffff873e050c [ 406.423561][ C1] RBP: ffff8880a98dfd98 R08: ffff8880a98c6340 R09: ffffed1015318c69 [ 406.431509][ C1] R10: ffffed1015318c68 R11: ffff8880a98c6347 R12: dffffc0000000000 [ 406.439456][ C1] R13: ffffffff89a57d78 R14: 0000000000000000 R15: 0000000000000001 [ 406.447416][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 406.452428][ C1] ? default_idle+0x1c/0x360 [ 406.456997][ C1] ? default_idle+0x4e/0x360 [ 406.461565][ C1] arch_cpu_idle+0xa/0x10 [ 406.465873][ C1] default_idle_call+0x84/0xb0 [ 406.470613][ C1] do_idle+0x413/0x760 [ 406.474665][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 406.479679][ C1] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 406.485463][ C1] ? complete+0x61/0x80 [ 406.489600][ C1] cpu_startup_entry+0x1b/0x20 [ 406.494341][ C1] start_secondary+0x315/0x430 [ 406.499084][ C1] ? set_cpu_sibling_map+0x2180/0x2180 [ 406.504523][ C1] secondary_startup_64+0xa4/0xb0