Warning: Permanently added '10.128.0.233' (ECDSA) to the list of known hosts. [ 137.952671] random: sshd: uninitialized urandom read (32 bytes read) [ 138.070968] audit: type=1400 audit(1567884206.674:36): avc: denied { map } for pid=6835 comm="syz-executor898" path="/root/syz-executor898762924" dev="sda1" ino=2233 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 138.300950] IPVS: ftp: loaded support on port[0] = 21 [ 139.169167] chnl_net:caif_netlink_parms(): no params data found [ 139.202174] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.209177] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.217282] device bridge_slave_0 entered promiscuous mode [ 139.225017] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.231753] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.238853] device bridge_slave_1 entered promiscuous mode [ 139.254864] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.263824] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.279399] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 139.287009] team0: Port device team_slave_0 added [ 139.292533] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 139.299543] team0: Port device team_slave_1 added [ 139.305024] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 139.312293] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 139.362120] device hsr_slave_0 entered promiscuous mode [ 139.430952] device hsr_slave_1 entered promiscuous mode [ 139.470796] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 139.478165] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 139.491632] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.498057] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.505334] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.511864] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.539479] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 139.546149] 8021q: adding VLAN 0 to HW filter on device bond0 [ 139.554679] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 139.564105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 139.582532] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.589697] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.599123] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 139.606160] 8021q: adding VLAN 0 to HW filter on device team0 [ 139.615261] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 139.622988] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.629408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.638821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 139.646755] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.653241] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.670954] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 139.678822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 139.687463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 139.695557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 139.703871] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 139.709981] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 139.718043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 139.730475] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program [ 139.739794] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 244.870103] INFO: rcu_preempt self-detected stall on CPU [ 244.875682] 0-...: (10500 ticks this GP) idle=e22/140000000000001/0 softirq=12552/12552 fqs=0 [ 244.884498] (t=10500 jiffies g=1067 c=1066 q=79) [ 244.889416] rcu_preempt kthread starved for 10500 jiffies! g1067 c1066 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 244.900050] rcu_preempt I29776 8 2 0x80000000 [ 244.905686] Call Trace: [ 244.908386] __schedule+0x7b8/0x1cd0 [ 244.912087] ? pci_mmcfg_check_reserved+0x150/0x150 [ 244.917103] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 244.922211] schedule+0x92/0x1c0 [ 244.925568] schedule_timeout+0x43e/0xe10 [ 244.929709] ? usleep_range+0x130/0x130 [ 244.933670] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 244.938856] ? prepare_to_swait+0xcc/0x100 [ 244.943119] ? call_timer_fn+0x670/0x670 [ 244.947183] rcu_gp_kthread+0xbf4/0x1ec0 [ 244.951242] ? force_qs_rnp+0x4d0/0x4d0 [ 244.955236] kthread+0x319/0x430 [ 244.958584] ? force_qs_rnp+0x4d0/0x4d0 [ 244.962536] ? kthread_create_on_node+0xd0/0xd0 [ 244.967188] ret_from_fork+0x24/0x30 [ 244.972490] NMI backtrace for cpu 0 [ 244.976352] CPU: 0 PID: 6839 Comm: kworker/0:2 Not tainted 4.14.142 #0 [ 244.983126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.992527] Workqueue: ipv6_addrconf addrconf_dad_work [ 244.997783] Call Trace: [ 245.000347] [ 245.002505] dump_stack+0x138/0x197 [ 245.006300] nmi_cpu_backtrace.cold+0x57/0x94 [ 245.010925] ? irq_force_complete_move.cold+0x7d/0x7d [ 245.016208] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 245.021470] arch_trigger_cpumask_backtrace+0x14/0x20 [ 245.026642] rcu_dump_cpu_stacks+0x186/0x1d2 [ 245.031034] rcu_check_callbacks.cold+0x43d/0xd0a [ 245.035858] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 245.041297] update_process_times+0x31/0x70 [ 245.045656] tick_sched_handle+0x85/0x160 [ 245.049791] tick_sched_timer+0x43/0x130 [ 245.053835] __hrtimer_run_queues+0x270/0xbc0 [ 245.058311] ? tick_sched_do_timer+0xe0/0xe0 [ 245.062700] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 245.067708] hrtimer_interrupt+0x1d8/0x5d0 [ 245.071976] smp_apic_timer_interrupt+0x11c/0x5e0 [ 245.076815] apic_timer_interrupt+0x96/0xa0 [ 245.081337] [ 245.083631] RIP: 0010:hhf_dequeue+0x9a/0xa60 [ 245.088023] RSP: 0018:ffff88808a4f7550 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff10 [ 245.095818] RAX: 0000000000000000 RBX: ffff888086b0a678 RCX: 0000000000000000 [ 245.103073] RDX: 0000000000000000 RSI: ffff888086b0a710 RDI: ffff888086b0a688 [ 245.110323] RBP: ffff88808a4f75a0 R08: 0000000000000000 R09: ffff88808af40e78 [ 245.117574] R10: ffff88808af40e58 R11: ffff88808af404c0 R12: dffffc0000000000 [ 245.124825] R13: ffff888086b0a480 R14: ffff888086b0a710 R15: ffff888086b0a700 [ 245.132198] __qdisc_run+0x2b8/0xe00 [ 245.135929] __dev_queue_xmit+0x1571/0x25e0 [ 245.140273] ? trace_hardirqs_on+0x10/0x10 [ 245.144495] ? netdev_pick_tx+0x300/0x300 [ 245.148625] ? ip6_finish_output2+0x9ab/0x21b0 [ 245.153244] ? memcpy+0x46/0x50 [ 245.156505] dev_queue_xmit+0x18/0x20 [ 245.160284] ? dev_queue_xmit+0x18/0x20 [ 245.164445] neigh_resolve_output+0x4d8/0x870 [ 245.168937] ip6_finish_output2+0x9ab/0x21b0 [ 245.173337] ? ip6_forward_finish+0x480/0x480 [ 245.177822] ? lock_downgrade+0x6e0/0x6e0 [ 245.181957] ip6_finish_output+0x4f4/0xb50 [ 245.186174] ? ip6_finish_output+0x4f4/0xb50 [ 245.190563] ip6_output+0x20f/0x6d0 [ 245.194170] ? ip6_finish_output+0xb50/0xb50 [ 245.198577] ? __lock_is_held+0xb6/0x140 [ 245.202622] ? ip6_fragment+0x32c0/0x32c0 [ 245.206807] ndisc_send_skb+0xb56/0x11e0 [ 245.210856] ? ndisc_error_report+0x190/0x190 [ 245.215431] ndisc_send_ns+0x360/0x7e0 [ 245.219300] ? ndisc_netdev_event+0x3b0/0x3b0 [ 245.223778] ? trace_hardirqs_on_caller+0x400/0x590 [ 245.228788] ? addrconf_dad_work+0x97c/0xff0 [ 245.233267] ? trace_hardirqs_on+0xd/0x10 [ 245.237637] ? __local_bh_enable_ip+0x99/0x1a0 [ 245.242202] addrconf_dad_work+0xa40/0xff0 [ 245.246419] ? addrconf_dad_completed+0xa70/0xa70 [ 245.251254] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 245.256716] process_one_work+0x863/0x1600 [ 245.260936] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 245.265597] worker_thread+0x5d9/0x1050 [ 245.269563] kthread+0x319/0x430 [ 245.272910] ? process_one_work+0x1600/0x1600 [ 245.277383] ? kthread_create_on_node+0xd0/0xd0 [ 245.282033] ret_from_fork+0x24/0x30