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 "1" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" 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 "3" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. 2018/06/22 03:47:48 parsed 1 programs 2018/06/22 03:47:51 executed programs: 0 [ 521.555178] IPVS: Creating netns size=2536 id=1 [ 521.684334] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 521.696400] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 521.744963] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 521.756804] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 521.805639] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 521.817801] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 521.829771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 521.850698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 522.384130] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 522.412942] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 522.419079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 522.425893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/06/22 03:47:56 executed programs: 973 2018/06/22 03:48:01 executed programs: 2314 2018/06/22 03:48:06 executed programs: 3603 2018/06/22 03:48:11 executed programs: 4780 2018/06/22 03:48:16 executed programs: 6086 2018/06/22 03:48:21 executed programs: 7480 2018/06/22 03:48:26 executed programs: 8870 2018/06/22 03:48:31 executed programs: 10295 2018/06/22 03:48:36 executed programs: 11678 2018/06/22 03:48:41 executed programs: 13013 2018/06/22 03:48:46 executed programs: 14470 2018/06/22 03:48:51 executed programs: 15921 2018/06/22 03:48:56 executed programs: 17377 2018/06/22 03:49:01 executed programs: 18793 2018/06/22 03:49:06 executed programs: 20250 2018/06/22 03:49:11 executed programs: 21627 2018/06/22 03:49:16 executed programs: 23079 2018/06/22 03:49:21 executed programs: 24542 2018/06/22 03:49:26 executed programs: 26016 2018/06/22 03:49:31 executed programs: 27421 2018/06/22 03:49:36 executed programs: 28842 2018/06/22 03:49:41 executed programs: 30207 2018/06/22 03:49:46 executed programs: 31648 2018/06/22 03:49:51 executed programs: 33084 2018/06/22 03:49:56 executed programs: 34543 2018/06/22 03:50:01 executed programs: 35990 2018/06/22 03:50:06 executed programs: 37423 2018/06/22 03:50:11 executed programs: 38810 2018/06/22 03:50:16 executed programs: 40276 2018/06/22 03:50:21 executed programs: 41721 2018/06/22 03:50:26 executed programs: 43171 2018/06/22 03:50:31 executed programs: 44603 2018/06/22 03:50:36 executed programs: 46049 2018/06/22 03:50:41 executed programs: 47444 2018/06/22 03:50:46 executed programs: 48901 2018/06/22 03:50:51 executed programs: 50341 2018/06/22 03:50:56 executed programs: 51813 2018/06/22 03:51:01 executed programs: 53274 2018/06/22 03:51:06 executed programs: 54727 2018/06/22 03:51:11 executed programs: 56142 2018/06/22 03:51:16 executed programs: 57611 2018/06/22 03:51:21 executed programs: 59066 [ 736.451658] INFO: task loop0:4175 blocked for more than 120 seconds. [ 736.459186] Not tainted 4.9.109-ge1815b3 #3 [ 736.464204] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 736.472273] loop0 D27080 4175 2 0x00000000 [ 736.478103] ffff8801d0281800 ffff8801cfa5ea00 ffff8801cfa5ea00 ffff8801cf9d8000 [ 736.486234] ffff8801db221c18 ffff8801cf63edf0 ffffffff839e8a8d 0000000041b58ab3 [ 736.494362] ffffffff843c2288 ffffffff81236160 0000000000000000 ffff8801db2224e8 [ 736.502453] Call Trace: [ 736.505070] [] ? __schedule+0x64d/0x1bd0 [ 736.510826] [] ? debug_check_no_locks_freed+0x210/0x210 [ 736.517854] [] schedule+0x7f/0x1b0 [ 736.523056] [] schedule_timeout+0x861/0xf70 [ 736.529016] [] ? usleep_range+0x140/0x140 [ 736.534863] [] ? kvm_clock_read+0x23/0x40 [ 736.540650] [] ? kvm_clock_get_cycles+0x9/0x10 [ 736.546930] [] ? ktime_get+0x185/0x1e0 [ 736.552506] [] ? __delayacct_blkio_start+0x41/0x80 [ 736.559072] [] io_schedule_timeout+0x1ba/0x390 [ 736.565398] [] bt_get.isra.8+0x27c/0x780 [ 736.571134] [] ? __unwind_start+0x14d/0x3c0 [ 736.577127] [] ? blk_mq_reinit_tagset+0x310/0x310 [ 736.584163] [] ? prepare_to_wait_event+0x450/0x450 [ 736.590736] [] ? __lock_acquire+0x654/0x4070 [ 736.596802] [] blk_mq_get_tag+0xac/0x220 2018/06/22 03:51:26 executed programs: 60503 [ 736.602568] [] __blk_mq_alloc_request+0x2a/0xaa0 [ 736.608965] [] blk_mq_map_request.isra.38+0x3ab/0x900 [ 736.615820] [] ? blk_mq_map_request.isra.38+0xb2/0x900 [ 736.622754] [] ? blk_mq_exit_hctx.isra.42+0x3c0/0x3c0 [ 736.629661] [] blk_sq_make_request+0x1d6/0x1220 [ 736.635994] [] ? blk_queue_enter+0x315/0x620 [ 736.642059] [] ? blk_mq_insert_requests+0x900/0x900 [ 736.648794] [] ? generic_make_request_checks+0x4f4/0x1610 [ 736.655996] [] ? blk_exit_rl+0x50/0x50 [ 736.661619] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 736.668447] [] generic_make_request+0x20e/0x9b0 [ 736.674822] [] ? debug_check_no_locks_freed+0x210/0x210 [ 736.681842] [] ? blk_queue_enter+0x620/0x620 [ 736.687930] [] ? do_direct_IO+0x11db/0x9710 [ 736.693906] [] ? debug_check_no_locks_freed+0x210/0x210 [ 736.700906] [] submit_bio+0xb0/0x460 [ 736.706282] [] ? generic_make_request+0x9b0/0x9b0 [ 736.713333] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 736.720251] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 736.727105] [] do_blockdev_direct_IO+0x35da/0x5a80 [ 736.733723] [] ? find_get_pages_tag+0x494/0x9f0 [ 736.740032] [] ? do_direct_IO+0x9710/0x9710 [ 736.746004] [] ? find_get_entries_tag+0x920/0x920 [ 736.752542] [] ? write_cache_pages+0xef0/0xef0 [ 736.758763] [] ? current_kernel_time64+0xc9/0x120 [ 736.765272] [] ? timespec_trunc+0xc1/0x160 [ 736.771141] [] ? I_BDEV+0x20/0x20 [ 736.776267] [] ? __atime_needs_update+0x2bd/0x950 [ 736.782813] [] ? __filemap_fdatawrite_range+0x1bb/0x250 [ 736.789818] [] ? I_BDEV+0x20/0x20 [ 736.794933] [] __blockdev_direct_IO+0xa5/0xd0 [ 736.801072] [] blkdev_direct_IO+0xa0/0xd0 [ 736.806878] [] generic_file_read_iter+0x660/0x1a90 [ 736.813463] [] ? update_sd_lb_stats+0x3a20/0x3a20 [ 736.819945] [] ? wait_on_page_bit_killable+0x140/0x140 [ 736.826882] [] blkdev_read_iter+0x105/0x170 [ 736.832916] [] lo_rw_aio+0x6b3/0x8a0 [ 736.838275] [] ? transfer_xor+0x460/0x460 [ 736.844686] [] ? lock_is_held+0x140/0x140 [ 736.850477] [] loop_queue_work+0x3d7/0x2320 [ 736.856509] [] ? debug_check_no_locks_freed+0x210/0x210 [ 736.863533] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 736.869843] [] ? lo_rw_aio+0x8a0/0x8a0 [ 736.875394] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 736.881719] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 736.888033] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 736.894987] [] kthread_worker_fn+0x249/0x6b0 [ 736.901040] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 736.907375] [] ? __kthread_init_worker+0x100/0x100 [ 736.913963] [] ? __kthread_parkme+0x175/0x240 [ 736.920100] [] kthread+0x26d/0x300 [ 736.925302] [] ? __kthread_init_worker+0x100/0x100 [ 736.931890] [] ? kthread_park+0xa0/0xa0 [ 736.937505] [] ? kthread_park+0xa0/0xa0 [ 736.943143] [] ? kthread_park+0xa0/0xa0 [ 736.948757] [] ret_from_fork+0x5c/0x70 [ 736.954302] [ 736.954302] Showing all locks held in the system: [ 736.960607] 2 locks held by khungtaskd/519: [ 736.964927] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 736.973750] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 736.983414] 2 locks held by getty/3650: [ 736.987358] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 736.996651] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 737.006597] [ 737.008198] ============================================= [ 737.008198] [ 737.015710] NMI backtrace for cpu 0 [ 737.019327] CPU: 0 PID: 519 Comm: khungtaskd Not tainted 4.9.109-ge1815b3 #3 [ 737.026494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.035827] ffff8801d8677d08 ffffffff81eb3e29 0000000000000000 0000000000000000 [ 737.043861] 0000000000000000 0000000000000001 ffffffff810b9580 ffff8801d8677d40 [ 737.051886] ffffffff81ebf127 0000000000000000 0000000000000000 0000000000000002 [ 737.059910] Call Trace: [ 737.062518] [] dump_stack+0xc1/0x128 [ 737.067921] [] ? irq_force_complete_move+0x320/0x320 [ 737.074666] [] nmi_cpu_backtrace.cold.2+0x48/0x87 [ 737.081152] [] ? irq_force_complete_move+0x320/0x320 [ 737.087892] [] nmi_trigger_cpumask_backtrace+0x12a/0x14f [ 737.094984] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 737.101990] [] watchdog+0x6b4/0xa20 [ 737.107253] [] ? watchdog+0x11c/0xa20 [ 737.112687] [] kthread+0x26d/0x300 [ 737.117855] [] ? reset_hung_task_detector+0x20/0x20 [ 737.124508] [] ? kthread_park+0xa0/0xa0 [ 737.130119] [] ? kthread_park+0xa0/0xa0 [ 737.135736] [] ? kthread_park+0xa0/0xa0 [ 737.141349] [] ret_from_fork+0x5c/0x70 [ 737.146979] Sending NMI from CPU 0 to CPUs 1: [ 737.152335] NMI backtrace for cpu 1 [ 737.155970] CPU: 1 PID: 3800 Comm: syz-executor0 Not tainted 4.9.109-ge1815b3 #3 [ 737.163475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.172800] task: ffff8801d6f96000 task.stack: ffff8801d80a8000 [ 737.178826] RIP: 0010:[] c [] select_task_rq_fair+0x3ab/0x3dd0 [ 737.187977] RSP: 0018:ffff8801db307af0 EFLAGS: 00000046 [ 737.193401] RAX: 00000000000012af RBX: 0000000000000001 RCX: 0000000000000000 [ 737.200642] RDX: 1ffff1003b338ada RSI: ffffffff846defa0 RDI: ffff8801d99c56d0 [ 737.207884] RBP: ffff8801db307c18 R08: ffff8801d6f96988 R09: 0000000000000001 [ 737.215128] R10: ffff8801d6f96000 R11: 1ffff1003adf2d2c R12: ffff8801d99c5680 [ 737.222368] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 [ 737.229611] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000084e7900 [ 737.237815] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 737.243666] CR2: 00000000ffbaa000 CR3: 00000001d78cf000 CR4: 00000000001606f0 [ 737.250908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 737.258150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 737.265424] Stack: [ 737.267545] ffffffff811f89cac ffff8801d6f96958c ffff8801d6f968b8c ffff8801d6f96960c [ 737.275745] ffff8801d6f968c0c ffff8801d6f968c8c ffff8801db321c18c dffffc0000000000c [ 737.283943] ffff8801d6f96968c ffff8801d6f96940c 0000000000000004c ffff8801db307c00c [ 737.292141] Call Trace: [ 737.294702] d [] ? select_task_rq_fair+0x2ba/0x3dd0 [ 737.301952] [] ? __lock_is_held+0xa2/0xf0 [ 737.307717] [] try_to_wake_up+0x40b/0xec0 [ 737.313485] [] ? migrate_swap_stop+0x820/0x820 [ 737.319685] [] ? __lock_is_held+0xa2/0xf0 [ 737.325450] [] wake_up_process+0x10/0x20 [ 737.331128] [] process_timeout+0x15/0x20 [ 737.336806] [] call_timer_fn+0x163/0x6e0 [ 737.342486] [] ? call_timer_fn+0xda/0x6e0 [ 737.348252] [] ? init_timer_key+0x270/0x270 [ 737.354191] [] ? process_timeout+0x20/0x20 [ 737.360045] [] ? mark_held_locks+0xc7/0x130 [ 737.365984] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 737.372271] [] ? init_timer_key+0x270/0x270 [ 737.378211] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 737.385018] [] ? init_timer_key+0x270/0x270 [ 737.390959] [] run_timer_softirq+0x1047/0x1590 [ 737.397160] [] ? clockevents_tick_resume+0x60/0x60 [ 737.403707] [] ? add_timer+0xca0/0xca0 [ 737.409221] [] ? __lock_is_held+0xa2/0xf0 [ 737.414987] [] __do_softirq+0x20b/0x937 [ 737.420579] [] irq_exit+0x147/0x190 [ 737.425825] [] smp_apic_timer_interrupt+0x81/0xa0 [ 737.432292] [] apic_timer_interrupt+0xa0/0xb0 [ 737.438405] d [] ? get_page_from_freelist+0xcbf/0x1a00 [ 737.445908] [] __alloc_pages_nodemask+0x237/0x700 [ 737.452377] [] ? __alloc_pages_slowpath+0x1e30/0x1e30 [ 737.459185] [] ? __kmalloc+0x11d/0x300 [ 737.464714] [] __vmalloc_node_range+0x254/0x5f0 [ 737.471000] [] ? xt_compat_add_offset+0x21e/0x370 [ 737.477458] [] vmalloc+0x5b/0x70 [ 737.482442] [] ? xt_compat_add_offset+0x21e/0x370 [ 737.488903] [] xt_compat_add_offset+0x21e/0x370 [ 737.495196] [] compat_table_info+0x225/0x470 [ 737.501220] [] compat_do_ipt_get_ctl+0x2f8/0x8e0 [ 737.507593] [] ? do_ipt_get_ctl+0x9d0/0x9d0 [ 737.513537] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 737.520345] [] ? __mutex_unlock_slowpath+0x25b/0x3c0 [ 737.527068] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 737.533267] [] ? mutex_unlock+0x9/0x10 [ 737.538773] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 737.545839] [] compat_nf_getsockopt+0x8e/0x130 [ 737.552048] [] ? do_ipt_get_ctl+0x9d0/0x9d0 [ 737.557988] [] compat_ip_getsockopt+0x148/0x1c0 [ 737.564273] [] ? ip_getsockopt+0x180/0x180 [ 737.570127] [] ? check_preemption_disabled+0x3b/0x170 [ 737.576936] [] inet_csk_compat_getsockopt+0x97/0x120 [ 737.583654] [] ? ip_getsockopt+0x180/0x180 [ 737.589508] [] compat_tcp_getsockopt+0x3d/0x70 [ 737.595706] [] compat_sock_common_getsockopt+0xb4/0x150 [ 737.602686] [] ? do_tcp_getsockopt.isra.42+0x1630/0x1630 [ 737.609757] [] compat_SyS_socketcall+0x878/0xb50 [ 737.616132] [] ? sock_common_getsockopt+0xe0/0xe0 [ 737.622596] [] ? compat_SyS_recvmmsg+0x160/0x160 [ 737.628968] [] ? dput.part.29+0x2a/0x7b0 [ 737.634646] [] ? sock_release+0x1c0/0x1c0 [ 737.640412] [] ? mntput+0x66/0x90 [ 737.645484] [] ? task_work_run+0x14a/0x180 [ 737.651337] [] ? do_fast_syscall_32+0xcf/0x870 [ 737.657536] [] ? compat_SyS_recvmmsg+0x160/0x160 [ 737.663910] [] do_fast_syscall_32+0x2f7/0x870 [ 737.670023] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.676657] [] entry_SYSENTER_compat+0x90/0xa2 [ 737.682864] Code: c00 cfc cff cdf c48 c89 cfa c48 cc1 cea c03 c0f cb6 c04 c02 c84 cc0 c74 c08 c3c c03 c0f c8e ce1 c37 c00 c00 c41 c8b c44 c24 c50 ca8 c01 c0f c84 c61 c05 c00 c00 c45 c31 cff c<8b> c95 c40 cff cff cff c49 cbe c00 c00 c00 c00 c00 cfc cff cdf ceb c64 ca8 c20 c74 c [ 737.713811] Kernel panic - not syncing: hung_task: blocked tasks [ 737.719960] CPU: 0 PID: 519 Comm: khungtaskd Not tainted 4.9.109-ge1815b3 #3 [ 737.727133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.736474] ffff8801d8677cc8 ffffffff81eb3e29 ffffffff83c8bbe0 00000000ffffffff [ 737.744485] 0000000000000000 0000000000000000 dffffc0000000000 ffff8801d8677d88 [ 737.752517] ffffffff81421925 0000000041b58ab3 ffffffff843b9a40 ffffffff81421766 [ 737.760556] Call Trace: [ 737.763131] [] dump_stack+0xc1/0x128 [ 737.768485] [] panic+0x1bf/0x3bc [ 737.773495] [] ? add_taint.cold.6+0x16/0x16 [ 737.779459] [] ? ___preempt_schedule+0x16/0x18 [ 737.785680] [] ? nmi_trigger_cpumask_backtrace+0x100/0x14f [ 737.793126] [] watchdog+0x6c5/0xa20 [ 737.798398] [] ? watchdog+0x11c/0xa20 [ 737.803840] [] kthread+0x26d/0x300 [ 737.809024] [] ? reset_hung_task_detector+0x20/0x20 [ 737.815673] [] ? kthread_park+0xa0/0xa0 [ 737.821284] [] ? kthread_park+0xa0/0xa0 [ 737.826898] [] ? kthread_park+0xa0/0xa0 [ 737.832513] [] ret_from_fork+0x5c/0x70 [ 737.838682] Dumping ftrace buffer: [ 737.842239] (ftrace buffer empty) [ 737.845924] Kernel Offset: disabled [ 737.849535] Rebooting in 86400 seconds..