[info] Using makefile-style concurrent boot in runlevel 2. [ 58.984806][ T26] audit: type=1800 audit(1568034392.810:21): pid=9595 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 59.027965][ T26] audit: type=1800 audit(1568034392.820:22): pid=9595 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 '10.128.0.68' (ECDSA) to the list of known hosts. syzkaller login: [ 69.511256][ T9747] IPVS: ftp: loaded support on port[0] = 21 [ 69.553891][ T9747] chnl_net:caif_netlink_parms(): no params data found [ 69.575905][ T9747] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.583341][ T9747] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.590843][ T9747] device bridge_slave_0 entered promiscuous mode [ 69.598237][ T9747] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.605289][ T9747] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.613091][ T9747] device bridge_slave_1 entered promiscuous mode [ 69.626062][ T9747] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.636405][ T9747] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.652069][ T9747] team0: Port device team_slave_0 added [ 69.658735][ T9747] team0: Port device team_slave_1 added [ 69.739480][ T9747] device hsr_slave_0 entered promiscuous mode [ 69.807745][ T9747] device hsr_slave_1 entered promiscuous mode [ 69.882128][ T9747] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.889358][ T9747] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.896613][ T9747] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.903679][ T9747] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.927812][ T9747] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.938893][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.946812][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.954521][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.962075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.971882][ T9747] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.980652][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.989137][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.996156][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.014017][ T9747] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.024496][ T9747] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.036015][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.044595][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.051665][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.059697][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.068604][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 70.077338][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.085512][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.093608][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.101133][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.114080][ T9747] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 175.117363][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.124010][ C1] rcu: 1-...!: (10499 ticks this GP) idle=c26/0/0x3 softirq=9514/9514 fqs=3 [ 175.132830][ C1] (t=10500 jiffies g=8557 q=92) [ 175.137752][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g8557 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 175.148996][ C1] rcu: RCU grace-period kthread stack dump: [ 175.154861][ C1] rcu_preempt I29328 10 2 0x80004000 [ 175.161185][ C1] Call Trace: [ 175.164479][ C1] __schedule+0x755/0x1580 [ 175.168875][ C1] ? __sched_text_start+0x8/0x8 [ 175.173722][ C1] schedule+0xd9/0x260 [ 175.177771][ C1] schedule_timeout+0x486/0xc50 [ 175.182599][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 175.187516][ C1] ? usleep_range+0x170/0x170 [ 175.192169][ C1] ? trace_hardirqs_on+0x67/0x240 [ 175.197169][ C1] ? __kasan_check_read+0x11/0x20 [ 175.202173][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 175.207711][ C1] ? swake_up_one+0x60/0x60 [ 175.212194][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 175.216938][ C1] ? rcu_barrier+0x310/0x310 [ 175.221507][ C1] ? trace_hardirqs_on+0x67/0x240 [ 175.226506][ C1] ? __kasan_check_read+0x11/0x20 [ 175.231510][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 175.237740][ C1] ? __kthread_parkme+0x108/0x1c0 [ 175.242739][ C1] ? __kasan_check_read+0x11/0x20 [ 175.247756][ C1] kthread+0x361/0x430 [ 175.251804][ C1] ? rcu_barrier+0x310/0x310 [ 175.256373][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 175.262591][ C1] ret_from_fork+0x24/0x30 [ 175.267012][ C1] NMI backtrace for cpu 1 [ 175.271320][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc8 #0 [ 175.278313][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.288346][ C1] Call Trace: [ 175.291609][ C1] [ 175.294455][ C1] dump_stack+0x172/0x1f0 [ 175.298764][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 175.303940][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.310160][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 175.315770][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 175.321727][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 175.327598][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 175.332703][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 175.338226][ C1] ? raise_softirq+0x138/0x340 [ 175.342972][ C1] update_process_times+0x32/0x80 [ 175.347975][ C1] tick_sched_handle+0xa2/0x190 [ 175.352802][ C1] tick_sched_timer+0x53/0x140 [ 175.357547][ C1] __hrtimer_run_queues+0x364/0xe40 [ 175.362723][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 175.368000][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 175.373523][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 175.379219][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 175.385275][ C1] hrtimer_interrupt+0x314/0x770 [ 175.390197][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 175.395739][ C1] apic_timer_interrupt+0xf/0x20 [ 175.400658][ C1] RIP: 0010:__list_del_entry_valid+0xc7/0xf5 [ 175.406622][ C1] Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 24 49 8b 55 08 4c 39 f2 0f 85 aa 00 00 00 41 5c b8 01 00 00 00 <41> 5d 41 5e 5d c3 e8 0e 47 6e fe e9 55 ff ff ff e8 04 47 6e fe eb [ 175.426202][ C1] RSP: 0018:ffff8880ae909018 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.434586][ C1] RAX: 0000000000000001 RBX: ffff888093e274f8 RCX: ffffffff85c65b39 [ 175.442549][ C1] RDX: ffff888093e274f8 RSI: ffffffff85c66006 RDI: ffff888093e27598 [ 175.450497][ C1] RBP: ffff8880ae909028 R08: ffff8880a98c6340 R09: 0000000000000000 [ 175.458445][ C1] R10: fffffbfff134afaf R11: ffff8880a98c6340 R12: dffffc0000000000 [ 175.466405][ C1] R13: ffff888093e27590 R14: ffff888093e274f8 R15: 0000000000000000 [ 175.474379][ C1] ? apic_timer_interrupt+0xa/0x20 [ 175.479487][ C1] ? hhf_dequeue+0xb9/0xa20 [ 175.483965][ C1] ? hhf_dequeue+0x586/0xa20 [ 175.488533][ C1] hhf_dequeue+0x5c5/0xa20 [ 175.492932][ C1] __qdisc_run+0x1e7/0x19d0 [ 175.497447][ C1] ? dev_queue_xmit+0x18/0x20 [ 175.502108][ C1] __dev_queue_xmit+0x16f1/0x3650 [ 175.507111][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 175.512483][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 175.517758][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 175.523987][ C1] ? br_nf_post_routing+0xd73/0x1d30 [ 175.529258][ C1] ? br_forward_finish+0x235/0x400 [ 175.534377][ C1] ? __kasan_check_read+0x11/0x20 [ 175.539402][ C1] ? __dev_queue_xmit+0x2b15/0x3650 [ 175.544579][ C1] dev_queue_xmit+0x18/0x20 [ 175.549061][ C1] ? dev_queue_xmit+0x18/0x20 [ 175.553714][ C1] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 175.559077][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 175.563652][ C1] br_forward_finish+0xfa/0x400 [ 175.568478][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 175.574001][ C1] ? br_fdb_add.cold+0x8c/0x8c [ 175.578744][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 175.584456][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 175.589023][ C1] __br_forward+0x641/0xb00 [ 175.593502][ C1] ? br_forward_finish+0x400/0x400 [ 175.598591][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 175.604118][ C1] deliver_clone+0x61/0xc0 [ 175.608526][ C1] maybe_deliver+0x2c7/0x390 [ 175.613093][ C1] br_flood+0x13a/0x3d0 [ 175.617230][ C1] br_dev_xmit+0x98c/0x15a0 [ 175.621714][ C1] ? br_poll_controller+0x10/0x10 [ 175.626713][ C1] ? netif_skb_features+0x6c2/0xb90 [ 175.631892][ C1] ? netdev_set_sb_channel+0xe0/0xe0 [ 175.637157][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 175.643396][ C1] ? validate_xmit_xfrm+0x43c/0xf10 [ 175.648594][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.654816][ C1] dev_hard_start_xmit+0x1a3/0x9c0 [ 175.659911][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.666134][ C1] __dev_queue_xmit+0x2b15/0x3650 [ 175.671145][ C1] ? __nf_conntrack_find_get+0xa97/0x13a0 [ 175.676846][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 175.682115][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 175.687292][ C1] ? __kasan_check_read+0x11/0x20 [ 175.692294][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 175.698511][ C1] ? __nf_ct_refresh_acct+0x93/0x2d0 [ 175.703774][ C1] ? lock_downgrade+0x920/0x920 [ 175.708603][ C1] ? lock_acquire+0x190/0x410 [ 175.713259][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 175.718436][ C1] dev_queue_xmit+0x18/0x20 [ 175.722916][ C1] ? dev_queue_xmit+0x18/0x20 [ 175.727569][ C1] ip_finish_output2+0x1726/0x2570 [ 175.732657][ C1] ? nf_ct_deliver_cached_events+0x23d/0x6e0 [ 175.738615][ C1] ? ip_frag_next+0x910/0x910 [ 175.743271][ C1] ? __kasan_check_read+0x11/0x20 [ 175.748275][ C1] __ip_finish_output+0x5fc/0xb90 [ 175.753293][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 175.758479][ C1] ? audit_alloc_mark+0x430/0x500 [ 175.763509][ C1] ip_finish_output+0x38/0x1f0 [ 175.768254][ C1] ip_output+0x21f/0x640 [ 175.772488][ C1] ? ip_mc_output+0xf40/0xf40 [ 175.777151][ C1] ? __ip_finish_output+0xb90/0xb90 [ 175.782332][ C1] ? __kasan_check_read+0x11/0x20 [ 175.787341][ C1] ip_local_out+0xbb/0x190 [ 175.791743][ C1] igmpv3_sendpack+0x1b5/0x2c0 [ 175.796483][ C1] igmp_ifc_timer_expire+0x687/0xa00 [ 175.801748][ C1] ? call_timer_fn+0xe0/0x780 [ 175.806408][ C1] call_timer_fn+0x1ac/0x780 [ 175.810979][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 175.816089][ C1] ? msleep_interruptible+0x150/0x150 [ 175.821444][ C1] ? trace_hardirqs_on+0x67/0x240 [ 175.826447][ C1] ? __kasan_check_read+0x11/0x20 [ 175.831449][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 175.836537][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 175.841626][ C1] run_timer_softirq+0x697/0x17a0 [ 175.846644][ C1] ? add_timer+0x930/0x930 [ 175.851036][ C1] ? kvm_clock_read+0x18/0x30 [ 175.855712][ C1] ? kvm_sched_clock_read+0x9/0x20 [ 175.860809][ C1] ? sched_clock+0x2e/0x50 [ 175.865216][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 175.870047][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.876266][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.882486][ C1] __do_softirq+0x262/0x98c [ 175.886964][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 175.891815][ C1] irq_exit+0x19b/0x1e0 [ 175.895968][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 175.901502][ C1] apic_timer_interrupt+0xf/0x20 [ 175.906418][ C1] [ 175.909361][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 175.914719][ 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 [ 175.934300][ C1] RSP: 0018:ffff8880a98dfd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 175.942701][ C1] RAX: 1ffffffff11a5e8d RBX: ffff8880a98c6340 RCX: 1ffffffff134b5ee [ 175.950651][ C1] RDX: dffffc0000000000 RSI: ffffffff8177f14e RDI: ffffffff873e050c [ 175.958598][ C1] RBP: ffff8880a98dfd98 R08: ffff8880a98c6340 R09: ffffed1015318c69 [ 175.966544][ C1] R10: ffffed1015318c68 R11: ffff8880a98c6347 R12: dffffc0000000000 [ 175.974504][ C1] R13: ffffffff89a57d78 R14: 0000000000000000 R15: 0000000000000001 [ 175.982476][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 175.987483][ C1] ? default_idle+0x1c/0x360 [ 175.992061][ C1] ? default_idle+0x4e/0x360 [ 175.996636][ C1] arch_cpu_idle+0xa/0x10 [ 176.000946][ C1] default_idle_call+0x84/0xb0 [ 176.005690][ C1] do_idle+0x413/0x760 [ 176.009762][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 176.014769][ C1] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 176.020552][ C1] ? complete+0x61/0x80 [ 176.024690][ C1] cpu_startup_entry+0x1b/0x20 [ 176.029433][ C1] start_secondary+0x315/0x430 [ 176.034175][ C1] ? set_cpu_sibling_map+0x2180/0x2180 [ 176.039614][ C1] secondary_startup_64+0xa4/0xb0