INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2018/05/25 20:16:11 parsed 1 programs 2018/05/25 20:16:11 executed programs: 0 [ 547.750787] IPVS: Creating netns size=2552 id=1 [ 547.961317] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 547.977748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 548.068516] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 548.084466] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 548.174586] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 548.189213] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 548.206084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 548.224191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 549.049613] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 549.091525] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 722.302485] INFO: task syz-executor0:4302 blocked for more than 120 seconds. [ 722.309698] Not tainted 4.4.132-g1d92c59 #47 [ 722.314767] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 722.322732] syz-executor0 D ffff8800b6c979e0 28768 4302 3965 0x20020004 [ 722.330229] ffff8800b6c979e0 0000000000000246 0000000000000292 0000000041b58ab3 [ 722.338294] ffffffff841e1300 ffff8801db21fdb8 ffff8801db21fde0 ffff8801db21f4d8 [ 722.346316] ffff8801db21f4c0 ffffffff84417840 ffff8800b6f81800 0000000000000000 [ 722.354351] Call Trace: [ 722.357055] [] schedule+0x7a/0x1b0 [ 722.362334] [] blk_mq_freeze_queue_wait+0x120/0x240 [ 722.369042] [] ? blk_mq_tags_cpumask+0x20/0x20 [ 722.375378] [] ? percpu_ref_kill_and_confirm+0xff/0x300 [ 722.382511] [] ? prepare_to_wait_event+0x430/0x430 [ 722.389100] [] blk_mq_freeze_queue+0x1d/0x20 [ 722.395256] [] lo_ioctl+0x722/0x1ad0 [ 722.400608] [] lo_compat_ioctl+0xb2/0x140 [ 722.406424] [] ? lo_ioctl+0x1ad0/0x1ad0 [ 722.412076] [] compat_blkdev_ioctl+0x395/0x3a10 [ 722.418418] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 722.425185] [] ? mark_held_locks+0xc7/0x130 [ 722.431148] [] ? __mutex_unlock_slowpath+0x243/0x3b0 [ 722.438004] [] ? security_file_ioctl+0x8f/0xc0 [ 722.444245] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 722.451055] [] compat_SyS_ioctl+0x484/0x2270 [ 722.457128] [] ? compat_SyS_ppoll+0x420/0x420 [ 722.463347] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 722.469474] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 722.476533] [] ? __sb_end_write+0xc1/0x100 [ 722.482427] [] ? do_sys_ftruncate.constprop.15+0x399/0x4a0 [ 722.489737] [] ? do_fast_syscall_32+0xdb/0x8b0 [ 722.495983] [] ? compat_SyS_ppoll+0x420/0x420 [ 722.502132] [] do_fast_syscall_32+0x326/0x8b0 [ 722.508837] [] sysenter_flags_fixed+0xd/0x17 [ 722.514962] 1 lock held by syz-executor0/4302: [ 722.519657] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1ad0 [ 722.529256] Sending NMI to all CPUs: [ 722.533390] NMI backtrace for cpu 0 [ 722.537007] CPU: 0 PID: 491 Comm: khungtaskd Not tainted 4.4.132-g1d92c59 #47 [ 722.544326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.553700] task: ffff8800bac56000 task.stack: ffff8800bb3c0000 [ 722.559737] RIP: 0010:[] [] flat_send_IPI_mask+0xf6/0x1a0 [ 722.568506] RSP: 0018:ffff8800bb3c7cc8 EFLAGS: 00000046 [ 722.573955] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 722.581208] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 [ 722.588514] RBP: ffff8800bb3c7cf0 R08: 0000000000000001 R09: 0000000000000000 [ 722.595796] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 722.603082] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f7a0 [ 722.610341] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 722.618613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 722.624508] CR2: 000000000219e000 CR3: 00000001c79cf000 CR4: 00000000001606f0 [ 722.631767] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 722.639071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 722.646380] Stack: [ 722.648520] ffffffff8446f7a0 ffffffff84a18a60 0000000000000007 fffffbfff0942bfc [ 722.656103] 0000000000000040 ffff8800bb3c7d10 ffffffff810b5dd1 ffffffff83c0b1a0 [ 722.663661] 0000000000000003 ffff8800bb3c7d68 ffffffff81e19023 ffffffff8140d9df [ 722.671182] Call Trace: [ 722.673810] [] nmi_raise_cpu_backtrace+0x61/0x80 [ 722.680204] [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad [ 722.687760] [] ? print_lock+0x9f/0xa2 [ 722.693231] [] ? irq_force_complete_move+0x350/0x350 [ 722.699971] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 722.707006] [] watchdog.cold.1+0xd3/0xee [ 722.712708] [] ? watchdog+0xb0/0x9a0 [ 722.718046] [] kthread+0x268/0x300 [ 722.723238] [] ? reset_hung_task_detector+0x20/0x20 [ 722.729880] [] ? kthread_create_on_node+0x400/0x400 [ 722.736569] [] ? kthread_create_on_node+0x400/0x400 [ 722.743250] [] ret_from_fork+0x55/0x80 [ 722.748763] [] ? kthread_create_on_node+0x400/0x400 [ 722.755441] Code: b3 5f ff f6 c4 10 75 e2 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 f2 09 da 80 cf 04 41 83 fe 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 75 1a 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f2 [ 722.774458] NMI backtrace for cpu 1 [ 722.778067] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.132-g1d92c59 #47 [ 722.785196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.794562] task: ffff8801d9a41800 task.stack: ffff8801d9a50000 [ 722.800605] RIP: 0010:[] [] __sanitizer_cov_trace_pc+0x4b/0x50 [ 722.809892] RSP: 0018:ffff8801d9a57d00 EFLAGS: 00000093 [ 722.815369] RAX: ffff8801d9a41800 RBX: 1ffff1003b34afa4 RCX: 0000000000000000 [ 722.822660] RDX: 0000000000000000 RSI: ffffffff812c4893 RDI: 0000000000000001 [ 722.829913] RBP: ffff8801d9a57d00 R08: ffff88021fffd058 R09: 0000000000000008 [ 722.837220] R10: ffffed0043fffa09 R11: 0000000000000001 R12: dffffc0000000000 [ 722.844493] R13: 0000000000000000 R14: 0000000000000001 R15: ffff8801db319c40 [ 722.851753] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 722.859988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 722.865866] CR2: 00007ffc793ff438 CR3: 00000001c79cf000 CR4: 00000000001606f0 [ 722.873146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 722.880406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 722.887704] Stack: [ 722.889833] ffff8801d9a57da8 ffffffff812c4893 ffff88021fffd048 ffffffff84472ec0 [ 722.897372] 0000000041b58ab3 ffffffff841e4c2c ffffffff812c4820 000000a7e1f14a34 [ 722.904912] 000000a7e91f25e5 ffffffff810cbeb3 ffff8801d9a57d60 ffff8801d9a57d98 [ 722.912462] Call Trace: [ 722.915021] [] update_ts_time_stats+0x73/0x2a0 [ 722.921227] [] ? tick_init_highres+0x20/0x20 [ 722.927310] [] ? kvm_clock_read+0x23/0x40 [ 722.933118] [] ? check_preemption_disabled+0x3b/0x170 [ 722.939932] [] ? ktime_get+0x171/0x1e0 [ 722.945471] [] tick_nohz_stop_idle+0x26/0x70 [ 722.951503] [] tick_nohz_idle_exit+0x2cf/0x3d0 [ 722.957742] [] cpu_startup_entry+0x2a7/0x780 [ 722.963805] [] ? call_cpuidle+0xe0/0xe0 [ 722.969411] [] start_secondary+0x324/0x400 [ 722.975311] [] ? set_cpu_sibling_map+0x1180/0x1180 [ 722.981877] Code: 8b 90 98 12 00 00 83 fa 02 75 20 48 8b 88 a0 12 00 00 8b 80 9c 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 89 f3 [ 723.001242] Kernel panic - not syncing: hung_task: blocked tasks [ 723.007410] CPU: 0 PID: 491 Comm: khungtaskd Not tainted 4.4.132-g1d92c59 #47 [ 723.014660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.023990] 0000000000000000 0ee6aaec5964091d ffff8800bb3c7cb8 ffffffff81e0dfad [ 723.031974] ffffffff83a835c0 0000000000000003 7fffffffffffffff 00000000003fff81 [ 723.039968] dffffc0000000000 ffff8800bb3c7d78 ffffffff81409df4 0000000041b58ab3 [ 723.047962] Call Trace: [ 723.050541] [] dump_stack+0xc1/0x124 [ 723.055878] [] panic+0x19e/0x38d [ 723.060867] [] ? add_taint.cold.4+0x16/0x16 [ 723.066809] [] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488 [ 723.074056] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 723.081303] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 723.088547] [] watchdog.cold.1+0xe4/0xee [ 723.094232] [] ? watchdog+0xb0/0x9a0 [ 723.099567] [] kthread+0x268/0x300 [ 723.104730] [] ? reset_hung_task_detector+0x20/0x20 [ 723.111385] [] ? kthread_create_on_node+0x400/0x400 [ 723.118642] [] ? kthread_create_on_node+0x400/0x400 [ 723.125299] [] ret_from_fork+0x55/0x80 [ 723.130808] [] ? kthread_create_on_node+0x400/0x400 [ 723.137988] Dumping ftrace buffer: [ 723.141550] (ftrace buffer empty) [ 723.145236] Kernel Offset: disabled [ 723.148850] Rebooting in 86400 seconds..