[info] Using makefile-style concurrent boot in runlevel 2. [ 58.369937][ T26] audit: type=1800 audit(1568290370.139:21): pid=9364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 58.422226][ T26] audit: type=1800 audit(1568290370.139:22): pid=9364 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 '10.128.0.57' (ECDSA) to the list of known hosts. syzkaller login: [ 93.345591][ T9516] IPVS: ftp: loaded support on port[0] = 21 [ 93.384222][ T9516] chnl_net:caif_netlink_parms(): no params data found [ 93.404475][ T9516] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.411843][ T9516] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.419295][ T9516] device bridge_slave_0 entered promiscuous mode [ 93.426424][ T9516] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.433585][ T9516] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.441083][ T9516] device bridge_slave_1 entered promiscuous mode [ 93.453469][ T9516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.463675][ T9516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.479040][ T9516] team0: Port device team_slave_0 added [ 93.485315][ T9516] team0: Port device team_slave_1 added [ 93.567383][ T9516] device hsr_slave_0 entered promiscuous mode [ 93.636294][ T9516] device hsr_slave_1 entered promiscuous mode [ 93.710326][ T9516] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.717382][ T9516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.724625][ T9516] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.731692][ T9516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.754556][ T9516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.764635][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.773682][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.781275][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.788732][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 93.798677][ T9516] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.807320][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.815513][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.822627][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.839880][ T9516] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 93.850537][ T9516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.862638][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.871260][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.878347][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.886217][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.894424][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.902624][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 93.911265][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.919359][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.926791][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.940138][ T9516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 198.955925][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 198.962657][ C1] rcu: 1-...!: (10500 ticks this GP) idle=c66/0/0x3 softirq=9267/9267 fqs=0 [ 198.971473][ C1] (t=10501 jiffies g=8669 q=158) [ 198.976497][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g8669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 198.987737][ C1] rcu: RCU grace-period kthread stack dump: [ 198.993619][ C1] rcu_preempt I29520 10 2 0x80004000 [ 198.999928][ C1] Call Trace: [ 199.003203][ C1] __schedule+0x755/0x1580 [ 199.007605][ C1] ? __sched_text_start+0x8/0x8 [ 199.012435][ C1] schedule+0xd9/0x260 [ 199.016493][ C1] schedule_timeout+0x486/0xc50 [ 199.021316][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 199.026229][ C1] ? usleep_range+0x170/0x170 [ 199.030879][ C1] ? trace_hardirqs_on+0x67/0x240 [ 199.035876][ C1] ? __kasan_check_read+0x11/0x20 [ 199.040878][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 199.046404][ C1] ? swake_up_one+0x60/0x60 [ 199.050898][ C1] ? trace_hardirqs_on+0x67/0x240 [ 199.055914][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 199.060659][ C1] ? rcu_barrier+0x310/0x310 [ 199.065224][ C1] ? trace_hardirqs_on+0x67/0x240 [ 199.070238][ C1] ? __kasan_check_read+0x11/0x20 [ 199.075242][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 199.081466][ C1] ? __kthread_parkme+0x108/0x1c0 [ 199.086464][ C1] ? __kasan_check_read+0x11/0x20 [ 199.091465][ C1] kthread+0x361/0x430 [ 199.095507][ C1] ? rcu_barrier+0x310/0x310 [ 199.100142][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 199.106360][ C1] ret_from_fork+0x24/0x30 [ 199.110769][ C1] NMI backtrace for cpu 1 [ 199.115074][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc8+ #0 [ 199.122249][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.132275][ C1] Call Trace: [ 199.135534][ C1] [ 199.138373][ C1] dump_stack+0x172/0x1f0 [ 199.142685][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 199.147859][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.154163][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 199.159778][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 199.165733][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 199.171625][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 199.176711][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 199.182231][ C1] ? raise_softirq+0x138/0x340 [ 199.186990][ C1] update_process_times+0x32/0x80 [ 199.192007][ C1] tick_sched_handle+0xa2/0x190 [ 199.196834][ C1] tick_sched_timer+0x53/0x140 [ 199.201576][ C1] __hrtimer_run_queues+0x364/0xe40 [ 199.206759][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 199.212034][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 199.217569][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 199.223270][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 199.229321][ C1] hrtimer_interrupt+0x314/0x770 [ 199.234252][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 199.239790][ C1] apic_timer_interrupt+0xf/0x20 [ 199.244717][ C1] RIP: 0010:__list_add_valid+0x23/0xa0 [ 199.250158][ C1] Code: 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 49 89 fd 48 8d 7a 08 41 54 49 89 d4 48 89 fa 48 83 ec 08 <48> c1 ea 03 80 3c 02 00 75 52 49 8b 54 24 08 48 39 f2 0f 85 5a 01 [ 199.269735][ C1] RSP: 0018:ffff8880ae909510 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 199.278136][ C1] RAX: dffffc0000000000 RBX: ffff88809661abf8 RCX: ffffffff85c66051 [ 199.286081][ C1] RDX: ffff88809661ac98 RSI: ffff88809661ac90 RDI: ffff88809661ac98 [ 199.294041][ C1] RBP: ffff8880ae909528 R08: ffff8880a98c6340 R09: 0000000000000000 [ 199.301989][ C1] R10: fffffbfff134afaf R11: ffff8880a98c6340 R12: ffff88809661ac90 [ 199.309937][ C1] R13: ffff88809661abf8 R14: ffff88809661ac98 R15: ffff88809661ac90 [ 199.317890][ C1] ? apic_timer_interrupt+0xa/0x20 [ 199.322977][ C1] ? hhf_dequeue+0x5d1/0xa20 [ 199.327544][ C1] hhf_dequeue+0x66d/0xa20 [ 199.331972][ C1] __qdisc_run+0x1e7/0x19d0 [ 199.336452][ C1] ? dev_queue_xmit+0x18/0x20 [ 199.341106][ C1] __dev_queue_xmit+0x16f1/0x3650 [ 199.346105][ C1] ? ndisc_constructor+0x1a5/0xb40 [ 199.351192][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 199.356471][ C1] ? ip6_finish_output2+0x1034/0x2520 [ 199.361820][ C1] ? __kasan_check_read+0x11/0x20 [ 199.366824][ C1] ? lock_downgrade+0x920/0x920 [ 199.371670][ C1] dev_queue_xmit+0x18/0x20 [ 199.376147][ C1] ? dev_queue_xmit+0x18/0x20 [ 199.380801][ C1] neigh_resolve_output+0x5a5/0x970 [ 199.385979][ C1] ip6_finish_output2+0x1034/0x2520 [ 199.391166][ C1] ? ip6_forward_finish+0x530/0x530 [ 199.396340][ C1] ? ip6_mtu+0x16f/0x460 [ 199.400583][ C1] __ip6_finish_output+0x444/0xa50 [ 199.405667][ C1] ? __ip6_finish_output+0x444/0xa50 [ 199.411028][ C1] ip6_finish_output+0x38/0x1f0 [ 199.415853][ C1] ip6_output+0x235/0x7c0 [ 199.420161][ C1] ? ip6_finish_output+0x1f0/0x1f0 [ 199.425248][ C1] ? __ip6_finish_output+0xa50/0xa50 [ 199.430507][ C1] ? icmp6_dst_alloc+0x432/0x660 [ 199.435432][ C1] mld_sendpack+0x9c7/0xea0 [ 199.439924][ C1] ? nf_hook.constprop.0+0x560/0x560 [ 199.445182][ C1] ? mld_ifc_timer_expire+0x437/0x8a0 [ 199.450529][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 199.455877][ C1] mld_ifc_timer_expire+0x449/0x8a0 [ 199.461052][ C1] call_timer_fn+0x1ac/0x780 [ 199.465636][ C1] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 199.470982][ C1] ? msleep_interruptible+0x150/0x150 [ 199.476351][ C1] ? trace_hardirqs_on+0x67/0x240 [ 199.481348][ C1] ? __kasan_check_read+0x11/0x20 [ 199.486356][ C1] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 199.491717][ C1] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 199.497065][ C1] run_timer_softirq+0x697/0x17a0 [ 199.502083][ C1] ? add_timer+0x930/0x930 [ 199.506472][ C1] ? kvm_clock_read+0x18/0x30 [ 199.511136][ C1] ? kvm_sched_clock_read+0x9/0x20 [ 199.516221][ C1] ? sched_clock+0x2e/0x50 [ 199.520611][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 199.525454][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.531671][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.537889][ C1] __do_softirq+0x262/0x98c [ 199.542365][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 199.547192][ C1] irq_exit+0x19b/0x1e0 [ 199.551337][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 199.556856][ C1] apic_timer_interrupt+0xf/0x20 [ 199.561762][ C1] [ 199.564677][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 199.570024][ 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 [ 199.589628][ C1] RSP: 0018:ffff8880a98dfd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 199.598011][ C1] RAX: 1ffffffff11a5e8d RBX: ffff8880a98c6340 RCX: 1ffffffff134b5ee [ 199.605957][ C1] RDX: dffffc0000000000 RSI: ffffffff8177f14e RDI: ffffffff873e050c [ 199.613914][ C1] RBP: ffff8880a98dfd98 R08: ffff8880a98c6340 R09: ffffed1015318c69 [ 199.621860][ C1] R10: ffffed1015318c68 R11: ffff8880a98c6347 R12: dffffc0000000000 [ 199.629818][ C1] R13: ffffffff89a57d78 R14: 0000000000000000 R15: 0000000000000001 [ 199.637776][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 199.642773][ C1] ? default_idle+0x1c/0x360 [ 199.647352][ C1] ? default_idle+0x4e/0x360 [ 199.651937][ C1] arch_cpu_idle+0xa/0x10 [ 199.656249][ C1] default_idle_call+0x84/0xb0 [ 199.661001][ C1] do_idle+0x413/0x760 [ 199.665050][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 199.670051][ C1] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 199.675833][ C1] ? complete+0x61/0x80 [ 199.679966][ C1] cpu_startup_entry+0x1b/0x20 [ 199.684704][ C1] start_secondary+0x315/0x430 [ 199.689442][ C1] ? set_cpu_sibling_map+0x2180/0x2180 [ 199.694890][ C1] secondary_startup_64+0xa4/0xb0