INIT: Id "2" 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 "5" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. 2018/07/13 08:53:09 parsed 1 programs 2018/07/13 08:53:11 executed programs: 0 [ 539.833749] IPVS: Creating netns size=2552 id=1 [ 540.065095] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 540.079153] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 540.155716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 540.169729] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 540.247408] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 540.261661] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 540.276526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 540.294307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 540.975510] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.011070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 702.162896] INFO: task syz-executor0:4343 blocked for more than 140 seconds. [ 702.170104] Not tainted 4.4.140-g789274d #3 [ 702.174966] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 702.182916] syz-executor0 D ffff8800b617f9e0 28032 4343 3992 0x20020004 [ 702.190318] ffff8800b617f9e0 0000000000000246 0000000000000292 0000000041b58ab3 [ 702.198321] ffffffff841e1c00 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8 [ 702.206346] ffff8801db31f4c0 ffff8801d9a41800 ffff8801d3830000 0000000000000000 [ 702.214335] Call Trace: [ 702.217045] [] schedule+0x7a/0x1b0 [ 702.222289] [] blk_mq_freeze_queue_wait+0x120/0x240 [ 702.228949] [] ? blk_mq_tags_cpumask+0x20/0x20 [ 702.235198] [] ? percpu_ref_kill_and_confirm+0xff/0x300 [ 702.242261] [] ? prepare_to_wait_event+0x430/0x430 [ 702.248842] [] blk_mq_freeze_queue+0x1d/0x20 [ 702.254933] [] lo_ioctl+0x722/0x1ad0 [ 702.260266] [] lo_compat_ioctl+0xb2/0x140 [ 702.266047] [] ? lo_ioctl+0x1ad0/0x1ad0 [ 702.271658] [] compat_blkdev_ioctl+0x395/0x3a10 [ 702.277968] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 702.284709] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 702.291627] [] ? debug_check_no_obj_freed+0x2ec/0x940 [ 702.298514] [] ? security_file_ioctl+0x8f/0xc0 [ 702.304737] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 702.311528] [] compat_SyS_ioctl+0x484/0x2270 [ 702.317603] [] ? putname+0xdb/0x110 [ 702.322867] [] ? compat_SyS_ppoll+0x420/0x420 [ 702.329010] [] ? kmem_cache_free+0x2b4/0x340 [ 702.335057] [] ? putname+0xe0/0x110 [ 702.340353] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 702.346498] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 702.353550] [] ? do_fast_syscall_32+0xdb/0x8b0 [ 702.359754] [] ? compat_SyS_ppoll+0x420/0x420 [ 702.365891] [] do_fast_syscall_32+0x326/0x8b0 [ 702.372009] [] sysenter_flags_fixed+0xd/0x17 [ 702.378128] 1 lock held by syz-executor0/4343: [ 702.382679] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1ad0 [ 702.392143] Sending NMI to all CPUs: [ 702.396087] NMI backtrace for cpu 0 [ 702.399684] CPU: 0 PID: 491 Comm: khungtaskd Not tainted 4.4.140-g789274d #3 [ 702.406857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.416199] task: ffff8800bad5c800 task.stack: ffff8801d8e58000 [ 702.422227] RIP: 0010:[] [] flat_send_IPI_mask+0xf6/0x1a0 [ 702.430960] RSP: 0018:ffff8801d8e5fcc8 EFLAGS: 00000046 [ 702.436397] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 702.443656] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 [ 702.450899] RBP: ffff8801d8e5fcf0 R08: 0000000000000001 R09: 0000000000000000 [ 702.458169] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 702.465421] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f6e0 [ 702.472664] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 702.480883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 702.486756] CR2: 0000000001001000 CR3: 00000001d826f000 CR4: 00000000001606f0 [ 702.494011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 702.501254] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 702.508513] Stack: [ 702.510634] ffffffff8446f6e0 ffffffff84a19060 0000000000000007 fffffbfff0942cbc [ 702.518155] 0000000000000040 ffff8801d8e5fd10 ffffffff810b5f51 ffffffff83c0b760 [ 702.525671] 0000000000000003 ffff8801d8e5fd68 ffffffff81e19103 ffffffff8140ddaf [ 702.533188] Call Trace: [ 702.535739] [] nmi_raise_cpu_backtrace+0x61/0x80 [ 702.542110] [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad [ 702.549624] [] ? print_lock+0x9f/0xa2 [ 702.555065] [] ? irq_force_complete_move+0x350/0x350 [ 702.561784] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 702.568781] [] watchdog.cold.1+0xd3/0xee [ 702.574472] [] ? watchdog+0xb0/0x9a0 [ 702.579800] [] kthread+0x268/0x300 [ 702.584974] [] ? reset_hung_task_detector+0x20/0x20 [ 702.591609] [] ? kthread_create_on_node+0x400/0x400 [ 702.598267] [] ? kthread_create_on_node+0x400/0x400 [ 702.604919] [] ret_from_fork+0x55/0x80 [ 702.610431] [] ? kthread_create_on_node+0x400/0x400 [ 702.617093] 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 d2 [ 702.636071] NMI backtrace for cpu 1 [ 702.639668] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.140-g789274d #3 [ 702.646589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.655938] task: ffff8801d9a41800 task.stack: ffff8801d9a50000 [ 702.661963] RIP: 0010:[] [] native_safe_halt+0x6/0x10 [ 702.670353] RSP: 0018:ffff8801d9a57da0 EFLAGS: 00000246 [ 702.675826] RAX: 0000000000000007 RBX: ffffffff84a06128 RCX: 0000000000000000 [ 702.683101] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d9a420dc [ 702.690347] RBP: ffff8801d9a57da0 R08: 0000000000000000 R09: 0000000000000000 [ 702.697617] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 702.704887] R13: 0000000000000001 R14: fffffbfff07488ec R15: ffffffff84a06128 [ 702.712135] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 702.720356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 702.726231] CR2: 0000000008148024 CR3: 00000001cc078000 CR4: 00000000001606f0 [ 702.733496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 702.740737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 702.747995] Stack: [ 702.750112] ffff8801d9a57dd8 ffffffff81025cf5 ffff8801d9a58000 0000000000000000 [ 702.757629] 0000000000000000 fffffbfff07488ec ffffffff84a06128 ffff8801d9a57de8 [ 702.765144] ffffffff81027240 ffff8801d9a57e00 ffffffff8121bc47 dffffc0000000000 [ 702.772644] Call Trace: [ 702.775220] [] default_idle+0x55/0x3c0 [ 702.780724] [] arch_cpu_idle+0x10/0x20 [ 702.786245] [] default_idle_call+0x57/0x70 [ 702.792099] [] cpu_startup_entry+0x6af/0x780 [ 702.798139] [] ? call_cpuidle+0xe0/0xe0 [ 702.803742] [] start_secondary+0x324/0x400 [ 702.809594] [] ? set_cpu_sibling_map+0x1180/0x1180 [ 702.816163] 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 [ 702.835311] Kernel panic - not syncing: hung_task: blocked tasks [ 702.841459] CPU: 1 PID: 491 Comm: khungtaskd Not tainted 4.4.140-g789274d #3 [ 702.848626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.857949] 0000000000000000 807463807d0e82d7 ffff8801d8e5fcb8 ffffffff81e0e08d [ 702.865921] ffffffff83a836e0 0000000000000002 7fffffffffffffff 00000000003fff83 [ 702.873896] dffffc0000000000 ffff8801d8e5fd78 ffffffff8140a1c4 0000000041b58ab3 [ 702.881870] Call Trace: [ 702.884431] [] dump_stack+0xc1/0x124 [ 702.889766] [] panic+0x19e/0x38d [ 702.894754] [] ? add_taint.cold.4+0x16/0x16 [ 702.900696] [] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488 [ 702.907952] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 702.915205] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 702.922449] [] watchdog.cold.1+0xe4/0xee [ 702.928142] [] ? watchdog+0xb0/0x9a0 [ 702.933474] [] kthread+0x268/0x300 [ 702.938643] [] ? reset_hung_task_detector+0x20/0x20 [ 702.945275] [] ? kthread_create_on_node+0x400/0x400 [ 702.951912] [] ? kthread_create_on_node+0x400/0x400 [ 702.958546] [] ret_from_fork+0x55/0x80 [ 702.964055] [] ? kthread_create_on_node+0x400/0x400 [ 702.971168] Dumping ftrace buffer: [ 702.974706] (ftrace buffer empty) [ 702.978393] Kernel Offset: disabled [ 702.982040] Rebooting in 86400 seconds..