Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. [ 228.250318] random: sshd: uninitialized urandom read (32 bytes read) [ 228.385915] audit: type=1400 audit(1568005193.105:36): avc: denied { map } for pid=6868 comm="syz-executor631" path="/root/syz-executor631095811" 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 [ 228.620995] IPVS: ftp: loaded support on port[0] = 21 [ 229.485983] chnl_net:caif_netlink_parms(): no params data found [ 229.516036] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.523016] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.530294] device bridge_slave_0 entered promiscuous mode [ 229.537344] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.544011] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.551204] device bridge_slave_1 entered promiscuous mode [ 229.565277] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 229.574450] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 229.589532] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 229.596925] team0: Port device team_slave_0 added [ 229.602427] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 229.609438] team0: Port device team_slave_1 added [ 229.615799] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 229.623073] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 229.672299] device hsr_slave_0 entered promiscuous mode [ 229.720455] device hsr_slave_1 entered promiscuous mode [ 229.790617] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 229.797535] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 229.810512] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.816916] bridge0: port 2(bridge_slave_1) entered forwarding state [ 229.823865] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.830253] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.855768] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 229.862004] 8021q: adding VLAN 0 to HW filter on device bond0 [ 229.869543] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 229.877903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 229.896409] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.903859] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.914153] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 229.920623] 8021q: adding VLAN 0 to HW filter on device team0 [ 229.928894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 229.936474] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.942821] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.952364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 229.961262] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.967722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 229.985494] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 229.996381] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 230.006822] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 230.013807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 230.021529] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 230.028989] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 230.036828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 230.044422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 230.052299] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 230.064427] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 230.074151] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 335.100027] INFO: rcu_preempt self-detected stall on CPU [ 335.105626] 1-...: (1 GPs behind) idle=086/140000000000001/0 softirq=10044/10045 fqs=1 [ 335.113833] (t=10500 jiffies g=1078 c=1077 q=163) [ 335.118841] rcu_preempt kthread starved for 10497 jiffies! g1078 c1077 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 335.129497] rcu_preempt I29824 8 2 0x80000000 [ 335.135193] Call Trace: [ 335.137843] __schedule+0x7b8/0x1cd0 [ 335.141545] ? pci_mmcfg_check_reserved+0x150/0x150 [ 335.146634] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 335.151721] schedule+0x92/0x1c0 [ 335.155073] schedule_timeout+0x43e/0xe10 [ 335.159206] ? usleep_range+0x130/0x130 [ 335.163163] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 335.168278] ? prepare_to_swait+0xcc/0x100 [ 335.172498] ? call_timer_fn+0x670/0x670 [ 335.176546] rcu_gp_kthread+0xbf4/0x1ec0 [ 335.180603] ? force_qs_rnp+0x4d0/0x4d0 [ 335.184564] kthread+0x319/0x430 [ 335.187911] ? force_qs_rnp+0x4d0/0x4d0 [ 335.191866] ? kthread_create_on_node+0xd0/0xd0 [ 335.196516] ret_from_fork+0x24/0x30 [ 335.200440] NMI backtrace for cpu 1 [ 335.204224] CPU: 1 PID: 6872 Comm: kworker/1:2 Not tainted 4.14.142 #0 [ 335.210868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.220270] Workqueue: ipv6_addrconf addrconf_dad_work [ 335.225527] Call Trace: [ 335.228091] [ 335.230262] dump_stack+0x138/0x197 [ 335.233873] nmi_cpu_backtrace.cold+0x57/0x94 [ 335.238352] ? irq_force_complete_move.cold+0x7d/0x7d [ 335.243783] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 335.249042] arch_trigger_cpumask_backtrace+0x14/0x20 [ 335.254216] rcu_dump_cpu_stacks+0x186/0x1d2 [ 335.258611] rcu_check_callbacks.cold+0x43d/0xd0a [ 335.263435] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 335.268875] update_process_times+0x31/0x70 [ 335.273196] tick_sched_handle+0x85/0x160 [ 335.277325] tick_sched_timer+0x43/0x130 [ 335.281370] __hrtimer_run_queues+0x270/0xbc0 [ 335.285849] ? tick_sched_do_timer+0xe0/0xe0 [ 335.290238] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 335.295255] hrtimer_interrupt+0x1d8/0x5d0 [ 335.299534] smp_apic_timer_interrupt+0x11c/0x5e0 [ 335.304376] apic_timer_interrupt+0x96/0xa0 [ 335.308691] [ 335.310912] RIP: 0010:__sanitizer_cov_trace_pc+0x28/0x60 [ 335.316343] RSP: 0018:ffff8880a159f008 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 [ 335.324135] RAX: ffff8880895c0680 RBX: ffff8880931dcaf8 RCX: 0000000000000000 [ 335.331386] RDX: 0000000000000000 RSI: ffff8880931dcb90 RDI: ffff8880931dcb98 [ 335.338820] RBP: ffff8880a159f060 R08: 0000000000000000 R09: ffff8880895c1088 [ 335.346181] R10: ffff8880895c1068 R11: ffff8880895c0680 R12: dffffc0000000000 [ 335.353437] R13: ffff8880931dc900 R14: ffff8880931dcb90 R15: ffff8880931dcb80 [ 335.362621] ? hhf_dequeue+0x628/0xa60 [ 335.366542] __qdisc_run+0x2b8/0xe00 [ 335.370270] __dev_queue_xmit+0x1571/0x25e0 [ 335.374583] ? __lock_is_held+0xb6/0x140 [ 335.378647] ? check_preemption_disabled+0x3c/0x250 [ 335.383669] ? netdev_pick_tx+0x300/0x300 [ 335.387812] ? save_trace+0x290/0x290 [ 335.391641] ? br_nf_post_routing+0x27d/0xf00 [ 335.396146] ? br_forward_finish+0x1cc/0x320 [ 335.400538] ? find_held_lock+0x35/0x130 [ 335.404585] ? br_forward_finish+0x1cc/0x320 [ 335.408998] dev_queue_xmit+0x18/0x20 [ 335.412781] ? dev_queue_xmit+0x18/0x20 [ 335.417784] br_dev_queue_push_xmit+0x367/0x530 [ 335.422459] br_forward_finish+0xbc/0x320 [ 335.427283] ? br_dev_queue_push_xmit+0x530/0x530 [ 335.432120] ? br_fdb_add.cold+0x84/0x84 [ 335.436192] __br_forward+0x560/0x9c0 [ 335.440002] ? br_forward_finish+0x320/0x320 [ 335.444421] ? br_dev_queue_push_xmit+0x530/0x530 [ 335.449260] deliver_clone+0x61/0xc0 [ 335.452969] br_flood+0x3c8/0x530 [ 335.456427] br_dev_xmit+0x9a4/0xd40 [ 335.460389] ? check_preemption_disabled+0x3c/0x250 [ 335.465388] ? br_poll_controller+0x10/0x10 [ 335.469695] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 335.475143] dev_hard_start_xmit+0x18c/0x8b0 [ 335.479536] ? assoc_array_gc+0x1130/0x11d0 [ 335.483843] __dev_queue_xmit+0x1d95/0x25e0 [ 335.488148] ? trace_hardirqs_on+0x10/0x10 [ 335.492367] ? netdev_pick_tx+0x300/0x300 [ 335.496849] ? ip6_finish_output2+0x9ab/0x21b0 [ 335.501421] ? memcpy+0x46/0x50 [ 335.504706] dev_queue_xmit+0x18/0x20 [ 335.508514] ? dev_queue_xmit+0x18/0x20 [ 335.512643] neigh_resolve_output+0x4d8/0x870 [ 335.517141] ip6_finish_output2+0x9ab/0x21b0 [ 335.521569] ? ip6_forward_finish+0x480/0x480 [ 335.526072] ? lock_downgrade+0x6e0/0x6e0 [ 335.530218] ip6_finish_output+0x4f4/0xb50 [ 335.534445] ? ip6_finish_output+0x4f4/0xb50 [ 335.538837] ip6_output+0x20f/0x6d0 [ 335.542451] ? ip6_finish_output+0xb50/0xb50 [ 335.546842] ? __lock_is_held+0xb6/0x140 [ 335.550909] ? ip6_fragment+0x32c0/0x32c0 [ 335.555093] ndisc_send_skb+0xb56/0x11e0 [ 335.559140] ? ndisc_error_report+0x190/0x190 [ 335.563723] ndisc_send_ns+0x360/0x7e0 [ 335.567666] ? ndisc_netdev_event+0x3b0/0x3b0 [ 335.572234] ? trace_hardirqs_on_caller+0x400/0x590 [ 335.577234] ? addrconf_dad_work+0x97c/0xff0 [ 335.582255] ? trace_hardirqs_on+0xd/0x10 [ 335.586384] ? __local_bh_enable_ip+0x99/0x1a0 [ 335.590949] addrconf_dad_work+0xa40/0xff0 [ 335.595170] ? addrconf_dad_completed+0xa70/0xa70 [ 335.600084] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 335.605518] process_one_work+0x863/0x1600 [ 335.609739] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 335.614414] worker_thread+0x5d9/0x1050 [ 335.618381] kthread+0x319/0x430 [ 335.621743] ? process_one_work+0x1600/0x1600 [ 335.626231] ? kthread_create_on_node+0xd0/0xd0 [ 335.630898] ret_from_fork+0x24/0x30 [ 335.640036] INFO: rcu_sched detected stalls on CPUs/tasks: [ 335.645717] 1-...: (1 GPs behind) idle=086/140000000000000/0 softirq=10044/10045 fqs=1 [ 335.653930] (detected by 0, t=10555 jiffies, g=742, c=741, q=9) [ 335.660079] Sending NMI from CPU 0 to CPUs 1: [ 335.665272] NMI backtrace for cpu 1 [ 335.665276] CPU: 1 PID: 6872 Comm: kworker/1:2 Not tainted 4.14.142 #0 [ 335.665279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.665282] Workqueue: ipv6_addrconf addrconf_dad_work [ 335.665286] task: ffff8880895c0680 task.stack: ffff8880a1598000 [ 335.665288] RIP: 0010:__sanitizer_cov_trace_pc+0x23/0x60 [ 335.665291] RSP: 0018:ffff8880a159f008 EFLAGS: 00000246 [ 335.665295] RAX: ffff8880895c0680 RBX: ffff8880931dcaf8 RCX: 0000000000000000 [ 335.665298] RDX: 0000000000000000 RSI: ffff8880931dcb90 RDI: ffff8880931dcbac [ 335.665301] RBP: ffff8880a159f060 R08: 0000000000000000 R09: ffff8880895c1088 [ 335.665304] R10: ffff8880895c1068 R11: ffff8880895c0680 R12: dffffc0000000000 [ 335.665306] R13: ffff8880931dc900 R14: 0000000000000002 R15: ffff8880931dcb80 [ 335.665309] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 335.665312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 335.665315] CR2: 0000000020000610 CR3: 000000000766a000 CR4: 00000000001406e0 [ 335.665318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 335.665320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 335.665322] Call Trace: [ 335.665324] ? hhf_dequeue+0x53e/0xa60 [ 335.665326] __qdisc_run+0x2b8/0xe00 [ 335.665328] __dev_queue_xmit+0x1571/0x25e0 [ 335.665330] ? __lock_is_held+0xb6/0x140 [ 335.665332] ? check_preemption_disabled+0x3c/0x250 [ 335.665334] ? netdev_pick_tx+0x300/0x300 [ 335.665336] ? save_trace+0x290/0x290 [ 335.665338] ? br_nf_post_routing+0x27d/0xf00 [ 335.665340] ? br_forward_finish+0x1cc/0x320 [ 335.665342] ? find_held_lock+0x35/0x130 [ 335.665344] ? br_forward_finish+0x1cc/0x320 [ 335.665346] dev_queue_xmit+0x18/0x20 [ 335.665348] ? dev_queue_xmit+0x18/0x20 [ 335.665351] br_dev_queue_push_xmit+0x367/0x530 [ 335.665353] br_forward_finish+0xbc/0x320 [ 335.665355] ? br_dev_queue_push_xmit+0x530/0x530 [ 335.665357] ? br_fdb_add.cold+0x84/0x84 [ 335.665359] __br_forward+0x560/0x9c0 [ 335.665361] ? br_forward_finish+0x320/0x320 [ 335.665363] ? br_dev_queue_push_xmit+0x530/0x530 [ 335.665365] deliver_clone+0x61/0xc0 [ 335.665367] br_flood+0x3c8/0x530 [ 335.665369] br_dev_xmit+0x9a4/0xd40 [ 335.665371] ? check_preemption_disabled+0x3c/0x250 [ 335.665373] ? br_poll_controller+0x10/0x10 [ 335.665375] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 335.665378] dev_hard_start_xmit+0x18c/0x8b0 [ 335.665380] ? assoc_array_gc+0x1130/0x11d0 [ 335.665382] __dev_queue_xmit+0x1d95/0x25e0 [ 335.665384] ? trace_hardirqs_on+0x10/0x10 [ 335.665386] ? netdev_pick_tx+0x300/0x300 [ 335.665388] ? ip6_finish_output2+0x9ab/0x21b0 [ 335.665390] ? memcpy+0x46/0x50 [ 335.665392] dev_queue_xmit+0x18/0x20 [ 335.665394] ? dev_queue_xmit+0x18/0x20 [ 335.665396] neigh_resolve_output+0x4d8/0x870 [ 335.665398] ip6_finish_output2+0x9ab/0x21b0 [ 335.665400] ? ip6_forward_finish+0x480/0x480 [ 335.665402] ? lock_downgrade+0x6e0/0x6e0 [ 335.665404] ip6_finish_output+0x4f4/0xb50 [ 335.665406] ? ip6_finish_output+0x4f4/0xb50 [ 335.665408] ip6_output+0x20f/0x6d0 [ 335.665410] ? ip6_finish_output+0xb50/0xb50 [ 335.665412] ? __lock_is_held+0xb6/0x140 [ 335.665414] ? ip6_fragment+0x32c0/0x32c0 [ 335.665416] ndisc_send_skb+0xb56/0x11e0 [ 335.665418] ? ndisc_error_report+0x190/0x190 [ 335.665420] ndisc_send_ns+0x360/0x7e0 [ 335.665422] ? ndisc_netdev_event+0x3b0/0x3b0 [ 335.665424] ? trace_hardirqs_on_caller+0x400/0x590 [ 335.665426] ? addrconf_dad_work+0x97c/0xff0 [ 335.665428] ? trace_hardirqs_on+0xd/0x10 [ 335.665430] ? __local_bh_enable_ip+0x99/0x1a0 [ 335.665432] addrconf_dad_work+0xa40/0xff0 [ 335.665434] ? addrconf_dad_completed+0xa70/0xa70 [ 335.665436] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 335.665438] process_one_work+0x863/0x1600 [ 335.665441] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 335.665443] worker_thread+0x5d9/0x1050 [ 335.665444] kthread+0x319/0x430 [ 335.665447] ? process_one_work+0x1600/0x1600 [ 335.665449] ? kthread_create_on_node+0xd0/0xd0 [ 335.665451] ret_from_fork+0x24/0x30 [ 335.665452] 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 [ 335.665606] rcu_sched kthread starved for 10553 jiffies! g742 c741 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 336.081093] rcu_sched I29824 9 2 0x80000000 [ 336.086733] Call Trace: [ 336.089330] __schedule+0x7b8/0x1cd0 [ 336.093040] ? pci_mmcfg_check_reserved+0x150/0x150 [ 336.098050] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 336.103251] schedule+0x92/0x1c0 [ 336.106607] schedule_timeout+0x43e/0xe10 [ 336.110747] ? usleep_range+0x130/0x130 [ 336.114735] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 336.119845] ? prepare_to_swait+0xcc/0x100 [ 336.124083] ? call_timer_fn+0x670/0x670 [ 336.128168] rcu_gp_kthread+0xbf4/0x1ec0 [ 336.132251] ? force_qs_rnp+0x4d0/0x4d0 [ 336.136233] kthread+0x319/0x430 [ 336.139599] ? force_qs_rnp+0x4d0/0x4d0 [ 336.143565] ? kthread_create_on_node+0xd0/0xd0 [ 336.148228] ret_from_fork+0x24/0x30