INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" 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 "4" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. 2018/04/15 06:28:48 parsed 1 programs 2018/04/15 06:28:48 executed programs: 0 [ 802.921900] IPVS: Creating netns size=2552 id=1 [ 802.964975] IPVS: Creating netns size=2552 id=2 [ 802.974257] IPVS: stopping backup sync thread 4228 ... [ 802.980405] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.012205] IPVS: Creating netns size=2552 id=3 [ 803.044353] IPVS: stopping backup sync thread 4240 ... [ 803.045304] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.070138] IPVS: stopping backup sync thread 4245 ... [ 803.072953] IPVS: Creating netns size=2552 id=4 [ 803.080833] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.105221] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.106185] IPVS: stopping backup sync thread 4254 ... [ 803.129242] IPVS: Creating netns size=2552 id=5 [ 803.142135] IPVS: stopping backup sync thread 4261 ... [ 803.181550] IPVS: Creating netns size=2552 id=6 [ 803.212590] IPVS: Creating netns size=2552 id=7 [ 803.243844] IPVS: stopping backup sync thread 4278 ... [ 803.249236] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.262867] IPVS: Creating netns size=2552 id=8 [ 803.280644] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.292408] IPVS: stopping backup sync thread 4283 ... [ 803.350197] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.350479] IPVS: stopping backup sync thread 4290 ... [ 803.420179] IPVS: stopping backup sync thread 4295 ... [ 803.425490] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.459565] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.459781] IPVS: stopping backup sync thread 4300 ... [ 803.541022] IPVS: stopping backup sync thread 4305 ... [ 803.544778] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.569542] IPVS: stopping backup sync thread 4311 ... [ 803.574913] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.599703] IPVS: stopping backup sync thread 4318 ... [ 803.600508] IPVS: stopping backup sync thread 4320 ... [ 803.600657] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.680670] IPVS: stopping backup sync thread 4324 ... [ 803.684611] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.712399] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.712650] IPVS: stopping backup sync thread 4330 ... [ 803.739513] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.740892] IPVS: stopping backup sync thread 4335 ... [ 803.789955] IPVS: stopping backup sync thread 4339 ... [ 803.794256] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.830296] IPVS: stopping backup sync thread 4346 ... [ 803.830777] IPVS: stopping backup sync thread 4348 ... [ 803.830917] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.871160] IPVS: stopping backup sync thread 4353 ... [ 803.899327] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.899576] IPVS: stopping backup sync thread 4358 ... [ 803.939895] IPVS: stopping backup sync thread 4365 ... [ 803.940010] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 803.940290] IPVS: stopping backup sync thread 4367 ... [ 804.049717] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.049924] IPVS: stopping backup sync thread 4372 ... [ 804.152262] IPVS: stopping backup sync thread 4377 ... [ 804.154560] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.199442] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.199664] IPVS: stopping backup sync thread 4381 ... [ 804.289939] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.290175] IPVS: stopping backup sync thread 4385 ... [ 804.360252] IPVS: stopping backup sync thread 4390 ... [ 804.365250] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.389946] IPVS: stopping backup sync thread 4395 ... [ 804.394349] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.419770] IPVS: stopping backup sync thread 4400 ... [ 804.424353] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.449673] IPVS: stopping backup sync thread 4405 ... [ 804.490969] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.491303] IPVS: stopping backup sync thread 4411 ... [ 804.549773] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.550076] IPVS: stopping backup sync thread 4417 ... [ 804.580792] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.581095] IPVS: stopping backup sync thread 4421 ... [ 804.701488] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.702292] IPVS: stopping backup sync thread 4429 ... [ 804.702807] IPVS: stopping backup sync thread 4428 ... [ 804.779715] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.780027] IPVS: stopping backup sync thread 4434 ... [ 804.819821] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.820131] IPVS: stopping backup sync thread 4438 ... [ 804.890533] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.890840] IPVS: stopping backup sync thread 4443 ... [ 804.921047] IPVS: stopping backup sync thread 4447 ... [ 804.959798] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 804.960117] IPVS: stopping backup sync thread 4452 ... [ 805.024396] IPVS: stopping backup sync thread 4458 ... [ 805.027668] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.060052] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.060369] IPVS: stopping backup sync thread 4462 ... [ 805.160734] IPVS: stopping backup sync thread 4466 ... [ 805.166091] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.199962] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.200285] IPVS: stopping backup sync thread 4471 ... [ 805.260066] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.260381] IPVS: stopping backup sync thread 4476 ... [ 805.320969] IPVS: stopping backup sync thread 4483 ... [ 805.321515] IPVS: stopping backup sync thread 4485 ... [ 805.321739] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.408772] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.409108] IPVS: stopping backup sync thread 4491 ... [ 805.439840] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.440149] IPVS: stopping backup sync thread 4495 ... [ 805.540997] IPVS: stopping backup sync thread 4500 ... [ 805.546353] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.571069] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.571922] IPVS: stopping backup sync thread 4508 ... [ 805.572428] IPVS: stopping backup sync thread 4507 ... [ 805.651671] IPVS: stopping backup sync thread 4513 ... [ 805.657075] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.680161] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.680474] IPVS: stopping backup sync thread 4518 ... [ 805.721768] IPVS: stopping backup sync thread 4523 ... [ 805.727178] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.770320] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.770624] IPVS: stopping backup sync thread 4528 ... [ 805.880008] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.880350] IPVS: stopping backup sync thread 4533 ... [ 805.941183] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.941310] IPVS: stopping backup sync thread 4540 ... [ 805.942529] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 805.942864] IPVS: stopping backup sync thread 4542 ... INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" 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 [ 962.186765] INFO: task syz-executor2:4538 blocked for more than 120 seconds. [ 962.193973] Not tainted 4.4.125-g38f41ec #21 [ 962.199099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 962.207063] syz-executor2 D ffff8801d3bb7790 27896 4538 4207 0x20020004 [ 962.214461] ffff8801d3bb7790 ffff8801d3bb77d8 ffffffff8516bcb0 ffff8800b6550920 [ 962.222467] ffff8800b6550800 ffff8801db21fdb8 ffff8801db21fde0 ffff8801db21f4d8 [ 962.230903] ffff8801db21f4c0 ffff8801d3ff8000 ffff8800b6550000 0000000000000000 [ 962.238998] Call Trace: [ 962.241562] [] schedule+0x7a/0x1b0 [ 962.246747] [] schedule_timeout+0x3a0/0x970 [ 962.252690] [] ? usleep_range+0x140/0x140 [ 962.258507] [] ? down_trylock+0x50/0x70 [ 962.264116] [] ? mark_held_locks+0xaf/0x100 [ 962.270095] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 962.276385] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 962.283225] [] wait_for_completion+0x209/0x2e0 [ 962.289449] [] ? wait_for_completion_interruptible+0x450/0x450 [ 962.297092] [] ? wake_up_process+0x20/0x20 [ 962.302954] [] kthread_stop+0x12e/0x790 [ 962.308592] [] stop_sync_thread+0x3d9/0x740 [ 962.314538] [] do_ip_vs_set_ctl+0x228/0xba0 [ 962.320527] [] ? futex_wake+0x153/0x450 [ 962.326123] [] ? ip_vs_genl_set_cmd+0x9a0/0x9a0 [ 962.332446] [] ? mark_held_locks+0xaf/0x100 [ 962.338424] [] ? mutex_lock_nested+0x5d4/0x850 [ 962.344626] [] ? __mutex_unlock_slowpath+0x242/0x3b0 [ 962.351366] [] ? __mutex_unlock_slowpath+0x208/0x3b0 [ 962.358114] [] ? __ww_mutex_lock_interruptible+0x14d0/0x14d0 [ 962.365534] [] ? sock_has_perm+0x1c1/0x400 [ 962.371408] [] ? mutex_unlock+0x9/0x10 [ 962.376947] [] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 962.384014] [] compat_nf_setsockopt+0xfa/0x130 [ 962.390246] [] compat_ip_setsockopt+0x8b/0xd0 [ 962.396366] [] inet_csk_compat_setsockopt+0x95/0x120 [ 962.403108] [] ? ip_setsockopt+0xa0/0xa0 [ 962.408805] [] compat_tcp_setsockopt+0x3d/0x70 [ 962.415006] [] compat_sock_common_setsockopt+0xb2/0x140 [ 962.422024] [] ? tcp_setsockopt+0xd0/0xd0 [ 962.428157] [] compat_SyS_setsockopt+0x149/0x290 [ 962.434530] [] ? sock_common_setsockopt+0xd0/0xd0 [ 962.441017] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 962.449413] [] ? do_fast_syscall_32+0xd7/0x8a0 [ 962.455623] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 962.462196] [] do_fast_syscall_32+0x321/0x8a0 [ 962.468334] [] sysenter_flags_fixed+0xd/0x17 [ 962.474444] 1 lock held by syz-executor2/4538: [ 962.479118] #0: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x219/0xba0 [ 962.488917] Sending NMI to all CPUs: [ 962.492748] NMI backtrace for cpu 0 [ 962.496344] CPU: 0 PID: 486 Comm: khungtaskd Not tainted 4.4.125-g38f41ec #21 [ 962.503623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 962.512983] task: ffff8800bb23b000 task.stack: ffff8800bac50000 [ 962.519060] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 [ 962.527801] RSP: 0018:ffff8800bac57cb8 EFLAGS: 00000046 [ 962.533232] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 962.540507] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 [ 962.547780] RBP: ffff8800bac57ce0 R08: 0000000000000001 R09: 0000000000000000 [ 962.555025] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000246 [ 962.562291] R13: 0000000000000003 R14: ffffffff8426f5a0 R15: 0000000000000002 [ 962.569573] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 962.577820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 962.583673] CR2: 00007fc8b59b5000 CR3: 00000001cacba000 CR4: 0000000000160670 [ 962.590947] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 962.598211] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 962.605452] Stack: [ 962.607597] ffffffff8426f5a0 ffffffff847f0b40 fffffbfff08fdc1c dffffc0000000000 [ 962.615101] ffff8801db31bca0 ffff8800bac57d00 ffffffff810b9abb ffffffff839f6dc0 [ 962.622638] 0000000000000003 ffff8800bac57d60 ffffffff81d11764 ffffffff8141b993 [ 962.630159] Call Trace: [ 962.632715] [] nmi_raise_cpu_backtrace+0x5b/0x70 [ 962.639134] [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 [ 962.646206] [] ? print_lock+0xab/0xae [ 962.651663] [] ? irq_force_complete_move+0x3b0/0x3b0 [ 962.658410] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 962.665393] [] watchdog+0x6fa/0xae0 [ 962.670668] [] ? watchdog+0xc3/0xae0 [ 962.676006] [] kthread+0x268/0x300 [ 962.681192] [] ? reset_hung_task_detector+0x20/0x20 [ 962.687847] [] ? kthread_create_on_node+0x400/0x400 [ 962.694483] [] ? kthread_create_on_node+0x400/0x400 [ 962.701147] [] ret_from_fork+0x55/0x80 [ 962.706672] [] ? kthread_create_on_node+0x400/0x400 [ 962.713321] Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 2b 33 17 00 4c 89 e7 57 9d 0f 1f [ 962.732324] NMI backtrace for cpu 1 [ 962.735921] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.125-g38f41ec #21 [ 962.742931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 962.752300] task: ffff8801d9b49800 task.stack: ffff8801d9b58000 [ 962.758355] RIP: 0010:[] [] native_safe_halt+0x6/0x10 [ 962.766755] RSP: 0018:ffff8801d9b5fd98 EFLAGS: 00000246 [ 962.772263] RAX: 0000000000000007 RBX: ffffffff847dec48 RCX: 0000000000000000 [ 962.779530] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d9b4a0dc [ 962.786804] RBP: ffff8801d9b5fd98 R08: 0000000000000000 R09: 0000000000000000 [ 962.794055] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 962.801332] R13: fffffbfff07088c0 R14: ffffffff847ecfb8 R15: 0000000000000000 [ 962.808594] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 962.816819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 962.822671] CR2: 0000000000a4b000 CR3: 00000001cacba000 CR4: 0000000000160670 [ 962.829942] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 962.837205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 962.844444] Stack: [ 962.846597] ffff8801d9b5fdd0 ffffffff81027e65 ffff8801d9b60000 ffffffff847dec48 [ 962.854098] fffffbfff07088c0 ffffffff847ecfb8 0000000000000000 ffff8801d9b5fde0 [ 962.861630] ffffffff810293da ffff8801d9b5fdf8 ffffffff81221948 dffffc0000000000 [ 962.869150] Call Trace: [ 962.871704] [] default_idle+0x55/0x3c0 [ 962.877228] [] arch_cpu_idle+0xa/0x10 [ 962.882646] [] default_idle_call+0x48/0x70 [ 962.888530] [] cpu_startup_entry+0x5fd/0x8f0 [ 962.894555] [] ? call_cpuidle+0xe0/0xe0 [ 962.900171] [] ? clockevents_register_device+0x122/0x230 [ 962.907256] [] start_secondary+0x304/0x3e0 [ 962.913110] [] ? set_cpu_sibling_map+0x1080/0x1080 [ 962.919681] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 [ 962.938853] Kernel panic - not syncing: hung_task: blocked tasks [ 962.945010] CPU: 1 PID: 486 Comm: khungtaskd Not tainted 4.4.125-g38f41ec #21 [ 962.952253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 962.961579] 0000000000000000 682d43ed99edbb03 ffff8800bac57ca8 ffffffff81d067bd [ 962.969544] ffffffff838831a0 ffff8800bac57d80 dffffc0000000000 7fffffffffffffff [ 962.977516] ffff8800b6b73448 ffff8800bac57d70 ffffffff8141b46a 0000000041b58ab3 [ 962.985476] Call Trace: [ 962.988035] [] dump_stack+0xc1/0x124 [ 962.993370] [] panic+0x1aa/0x388 [ 962.998363] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 963.005257] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 963.012508] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 963.019748] [] watchdog+0x70b/0xae0 [ 963.024990] [] ? watchdog+0xc3/0xae0 [ 963.030323] [] kthread+0x268/0x300 [ 963.035500] [] ? reset_hung_task_detector+0x20/0x20 [ 963.042136] [] ? kthread_create_on_node+0x400/0x400 [ 963.048781] [] ? kthread_create_on_node+0x400/0x400 [ 963.055416] [] ret_from_fork+0x55/0x80 [ 963.060922] [] ? kthread_create_on_node+0x400/0x400 [ 963.068004] Dumping ftrace buffer: [ 963.071549] (ftrace buffer empty) [ 963.075230] Kernel Offset: disabled [ 963.078837] Rebooting in 86400 seconds..