Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. [ 125.677099] random: sshd: uninitialized urandom read (32 bytes read) [ 125.791000] audit: type=1400 audit(1567839585.276:36): avc: denied { map } for pid=6872 comm="syz-executor449" path="/root/syz-executor449806270" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 126.071004] IPVS: ftp: loaded support on port[0] = 21 [ 126.845184] chnl_net:caif_netlink_parms(): no params data found [ 126.875104] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.881804] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.888854] device bridge_slave_0 entered promiscuous mode [ 126.895927] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.902372] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.909224] device bridge_slave_1 entered promiscuous mode [ 126.923543] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 126.932690] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 126.948153] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 126.955614] team0: Port device team_slave_0 added [ 126.961137] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 126.968227] team0: Port device team_slave_1 added [ 126.973557] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 126.980760] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 127.032238] device hsr_slave_0 entered promiscuous mode [ 127.080312] device hsr_slave_1 entered promiscuous mode [ 127.130668] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 127.137605] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 127.149925] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.156358] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.163264] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.169604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 127.195605] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 127.203170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.211152] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.218910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 127.237779] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.244811] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.254442] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 127.260664] 8021q: adding VLAN 0 to HW filter on device team0 [ 127.268504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 127.276120] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.282494] bridge0: port 1(bridge_slave_0) entered forwarding state [ 127.291845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 127.299371] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.305745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.317986] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 127.326822] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 127.336093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 127.346648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 127.356422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 127.365651] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 127.371991] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 127.383345] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program [ 127.393268] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 232.440025] INFO: rcu_preempt self-detected stall on CPU [ 232.445541] 1-...: (1 GPs behind) idle=e2a/140000000000001/0 softirq=10133/10134 fqs=39 [ 232.453840] (t=10500 jiffies g=1067 c=1066 q=57) [ 232.458854] rcu_preempt kthread starved for 10422 jiffies! g1067 c1066 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 232.469490] rcu_preempt I29776 8 2 0x80000000 [ 232.475114] Call Trace: [ 232.477695] __schedule+0x7b8/0x1cd0 [ 232.481407] ? pci_mmcfg_check_reserved+0x150/0x150 [ 232.486412] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 232.491507] schedule+0x92/0x1c0 [ 232.494851] schedule_timeout+0x43e/0xe10 [ 232.498980] ? usleep_range+0x130/0x130 [ 232.502932] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 232.508014] ? prepare_to_swait+0xcc/0x100 [ 232.512232] ? call_timer_fn+0x670/0x670 [ 232.516278] rcu_gp_kthread+0xbf4/0x1ec0 [ 232.520504] ? force_qs_rnp+0x4d0/0x4d0 [ 232.524473] kthread+0x319/0x430 [ 232.527815] ? force_qs_rnp+0x4d0/0x4d0 [ 232.531768] ? kthread_create_on_node+0xd0/0xd0 [ 232.536421] ret_from_fork+0x24/0x30 [ 232.540300] NMI backtrace for cpu 1 [ 232.544076] CPU: 1 PID: 6878 Comm: kworker/1:2 Not tainted 4.14.142 #0 [ 232.550738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.560095] Workqueue: ipv6_addrconf addrconf_dad_work [ 232.565349] Call Trace: [ 232.567915] [ 232.570055] dump_stack+0x138/0x197 [ 232.573662] nmi_cpu_backtrace.cold+0x57/0x94 [ 232.578139] ? irq_force_complete_move.cold+0x7d/0x7d [ 232.583317] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 232.588582] arch_trigger_cpumask_backtrace+0x14/0x20 [ 232.593750] rcu_dump_cpu_stacks+0x186/0x1d2 [ 232.598142] rcu_check_callbacks.cold+0x43d/0xd0a [ 232.602965] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 232.608411] update_process_times+0x31/0x70 [ 232.612713] tick_sched_handle+0x85/0x160 [ 232.616841] tick_sched_timer+0x43/0x130 [ 232.620885] __hrtimer_run_queues+0x270/0xbc0 [ 232.625360] ? tick_sched_do_timer+0xe0/0xe0 [ 232.629748] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 232.634744] hrtimer_interrupt+0x1d8/0x5d0 [ 232.638981] smp_apic_timer_interrupt+0x11c/0x5e0 [ 232.643807] apic_timer_interrupt+0x96/0xa0 [ 232.648105] [ 232.650321] RIP: 0010:hhf_dequeue+0x635/0xa60 [ 232.654790] RSP: 0018:ffff8880a5db7550 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 232.662481] RAX: 1ffff11010fa1053 RBX: ffff888087d081f8 RCX: 0000000000000000 [ 232.669738] RDX: 0000000000000000 RSI: ffff888087d08290 RDI: ffff888087d08298 [ 232.676989] RBP: ffff8880a5db75a0 R08: 0000000000000000 R09: ffff8880a8b20e78 [ 232.684256] R10: ffff8880a8b20e58 R11: ffff8880a8b204c0 R12: dffffc0000000000 [ 232.691508] R13: ffff888087d08000 R14: ffff888087d08290 R15: ffff888087d08280 [ 232.698808] __qdisc_run+0x2b8/0xe00 [ 232.702509] __dev_queue_xmit+0x1571/0x25e0 [ 232.706918] ? trace_hardirqs_on+0x10/0x10 [ 232.711136] ? netdev_pick_tx+0x300/0x300 [ 232.715269] ? ip6_finish_output2+0x9ab/0x21b0 [ 232.719839] ? memcpy+0x46/0x50 [ 232.723099] dev_queue_xmit+0x18/0x20 [ 232.726975] ? dev_queue_xmit+0x18/0x20 [ 232.730930] neigh_resolve_output+0x4d8/0x870 [ 232.735410] ip6_finish_output2+0x9ab/0x21b0 [ 232.739807] ? ip6_forward_finish+0x480/0x480 [ 232.744283] ? lock_downgrade+0x6e0/0x6e0 [ 232.748413] ip6_finish_output+0x4f4/0xb50 [ 232.752658] ? ip6_finish_output+0x4f4/0xb50 [ 232.757058] ip6_output+0x20f/0x6d0 [ 232.760668] ? ip6_finish_output+0xb50/0xb50 [ 232.765064] ? __lock_is_held+0xb6/0x140 [ 232.769108] ? ip6_fragment+0x32c0/0x32c0 [ 232.773241] ndisc_send_skb+0xb56/0x11e0 [ 232.777286] ? ndisc_error_report+0x190/0x190 [ 232.781773] ndisc_send_ns+0x360/0x7e0 [ 232.785643] ? ndisc_netdev_event+0x3b0/0x3b0 [ 232.790118] ? trace_hardirqs_on_caller+0x400/0x590 [ 232.795114] ? addrconf_dad_work+0x97c/0xff0 [ 232.799499] ? trace_hardirqs_on+0xd/0x10 [ 232.803626] ? __local_bh_enable_ip+0x99/0x1a0 [ 232.808187] addrconf_dad_work+0xa40/0xff0 [ 232.812409] ? addrconf_dad_completed+0xa70/0xa70 [ 232.817232] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 232.822664] process_one_work+0x863/0x1600 [ 232.826881] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 232.831534] worker_thread+0x5d9/0x1050 [ 232.835495] kthread+0x319/0x430 [ 232.838841] ? process_one_work+0x1600/0x1600 [ 232.843312] ? kthread_create_on_node+0xd0/0xd0 [ 232.847961] ret_from_fork+0x24/0x30 [ 232.860028] INFO: rcu_sched detected stalls on CPUs/tasks: [ 232.865719] 1-...: (1 GPs behind) idle=e2a/140000000000000/0 softirq=10132/10134 fqs=38 [ 232.874018] (detected by 0, t=10542 jiffies, g=756, c=755, q=4) [ 232.880161] Sending NMI from CPU 0 to CPUs 1: [ 232.885085] NMI backtrace for cpu 1 [ 232.885088] CPU: 1 PID: 6878 Comm: kworker/1:2 Not tainted 4.14.142 #0 [ 232.885092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.885094] Workqueue: ipv6_addrconf addrconf_dad_work [ 232.885098] task: ffff8880a8b204c0 task.stack: ffff8880a5db0000 [ 232.885101] RIP: 0010:__sanitizer_cov_trace_pc+0x23/0x60 [ 232.885103] RSP: 0018:ffff8880a5db7548 EFLAGS: 00000246 [ 232.885107] RAX: ffff8880a8b204c0 RBX: ffff888087d081f8 RCX: 0000000000000000 [ 232.885109] RDX: 0000000000000000 RSI: ffff888087d08290 RDI: ffff888087d082ac [ 232.885112] RBP: ffff8880a5db75a0 R08: 0000000000000000 R09: ffff8880a8b20e78 [ 232.885115] R10: ffff8880a8b20e58 R11: ffff8880a8b204c0 R12: dffffc0000000000 [ 232.885118] R13: ffff888087d08000 R14: 0000000000000002 R15: ffff888087d08280 [ 232.885121] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 232.885123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 232.885126] CR2: 00007ffcffb12db0 CR3: 000000009725e000 CR4: 00000000001406e0 [ 232.885129] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 232.885131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 232.885133] Call Trace: [ 232.885135] ? hhf_dequeue+0x53e/0xa60 [ 232.885136] __qdisc_run+0x2b8/0xe00 [ 232.885138] __dev_queue_xmit+0x1571/0x25e0 [ 232.885140] ? trace_hardirqs_on+0x10/0x10 [ 232.885142] ? netdev_pick_tx+0x300/0x300 [ 232.885144] ? ip6_finish_output2+0x9ab/0x21b0 [ 232.885146] ? memcpy+0x46/0x50 [ 232.885148] dev_queue_xmit+0x18/0x20 [ 232.885150] ? dev_queue_xmit+0x18/0x20 [ 232.885152] neigh_resolve_output+0x4d8/0x870 [ 232.885154] ip6_finish_output2+0x9ab/0x21b0 [ 232.885156] ? ip6_forward_finish+0x480/0x480 [ 232.885158] ? lock_downgrade+0x6e0/0x6e0 [ 232.885160] ip6_finish_output+0x4f4/0xb50 [ 232.885162] ? ip6_finish_output+0x4f4/0xb50 [ 232.885164] ip6_output+0x20f/0x6d0 [ 232.885166] ? ip6_finish_output+0xb50/0xb50 [ 232.885168] ? __lock_is_held+0xb6/0x140 [ 232.885170] ? ip6_fragment+0x32c0/0x32c0 [ 232.885172] ndisc_send_skb+0xb56/0x11e0 [ 232.885174] ? ndisc_error_report+0x190/0x190 [ 232.885176] ndisc_send_ns+0x360/0x7e0 [ 232.885178] ? ndisc_netdev_event+0x3b0/0x3b0 [ 232.885180] ? trace_hardirqs_on_caller+0x400/0x590 [ 232.885182] ? addrconf_dad_work+0x97c/0xff0 [ 232.885184] ? trace_hardirqs_on+0xd/0x10 [ 232.885186] ? __local_bh_enable_ip+0x99/0x1a0 [ 232.885188] addrconf_dad_work+0xa40/0xff0 [ 232.885190] ? addrconf_dad_completed+0xa70/0xa70 [ 232.885192] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 232.885194] process_one_work+0x863/0x1600 [ 232.885196] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 232.885198] worker_thread+0x5d9/0x1050 [ 232.885200] kthread+0x319/0x430 [ 232.885206] ? process_one_work+0x1600/0x1600 [ 232.885209] ? kthread_create_on_node+0xd0/0xd0 [ 232.885210] ret_from_fork+0x24/0x30 [ 232.885212] Code: 00 00 00 e9 2f ec ff ff 65 48 8b 04 25 40 ee 01 00 48 85 c0 74 1a 65 8b 15 4b fb a4 7e 81 e2 00 01 1f 00 75 0b 8b 90 c8 12 00 00 <83> fa 01 74 01 c3 55 48 89 e5 48 8b 75 08 48 8b 88 d0 12 00 00 [ 232.885663] rcu_sched kthread starved for 10467 jiffies! g756 c755 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 233.187657] rcu_sched I29824 9 2 0x80000000 [ 233.193296] Call Trace: [ 233.195885] __schedule+0x7b8/0x1cd0 [ 233.199604] ? pci_mmcfg_check_reserved+0x150/0x150 [ 233.204608] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 233.209708] schedule+0x92/0x1c0 [ 233.213064] schedule_timeout+0x43e/0xe10 [ 233.217201] ? usleep_range+0x130/0x130 [ 233.221162] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 233.226254] ? prepare_to_swait+0xcc/0x100 [ 233.230479] ? call_timer_fn+0x670/0x670 [ 233.234536] rcu_gp_kthread+0xbf4/0x1ec0 [ 233.238603] ? force_qs_rnp+0x4d0/0x4d0 [ 233.242575] kthread+0x319/0x430 [ 233.245934] ? force_qs_rnp+0x4d0/0x4d0 [ 233.249900] ? kthread_create_on_node+0xd0/0xd0 [ 233.254561] ret_from_fork+0x24/0x30