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 INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2018/07/10 00:50:35 parsed 1 programs 2018/07/10 00:50:37 executed programs: 0 [ 629.449348] IPVS: Creating netns size=2552 id=1 [ 629.785953] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 629.801690] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 629.905524] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 629.925604] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 630.030670] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 630.047015] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 630.065123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 630.085950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 631.083553] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 631.131437] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 842.654432] INFO: task syz-executor0:4321 blocked for more than 140 seconds. [ 842.661687] Not tainted 4.4.139-g7ba5557 #2 [ 842.667130] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 842.675142] syz-executor0 D ffff8801d36c79e0 29344 4321 3970 0x20020004 [ 842.683460] ffff8801d36c79e0 0000000000000246 0000000000000292 0000000041b58ab3 [ 842.691685] ffffffff841e1500 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8 [ 842.699759] ffff8801db31f4c0 ffff8801d9a41800 ffff8800b6fc4800 0000000000000000 [ 842.707882] Call Trace: [ 842.710538] [] schedule+0x7a/0x1b0 [ 842.715765] [] blk_mq_freeze_queue_wait+0x120/0x240 [ 842.722424] [] ? blk_mq_tags_cpumask+0x20/0x20 [ 842.728726] [] ? percpu_ref_kill_and_confirm+0xff/0x300 [ 842.735772] [] ? prepare_to_wait_event+0x430/0x430 [ 842.742356] [] blk_mq_freeze_queue+0x1d/0x20 [ 842.748451] [] lo_ioctl+0x722/0x1ad0 [ 842.753891] [] lo_compat_ioctl+0xb2/0x140 [ 842.759740] [] ? lo_ioctl+0x1ad0/0x1ad0 [ 842.765405] [] compat_blkdev_ioctl+0x395/0x3a10 [ 842.771807] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 842.778600] [] ? security_file_ioctl+0x8f/0xc0 [ 842.784884] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 842.791643] [] compat_SyS_ioctl+0x484/0x2270 [ 842.797768] [] ? compat_SyS_ppoll+0x420/0x420 [ 842.803913] [] ? handle_mm_fault+0xbf7/0x30b0 [ 842.810122] [] ? debug_check_no_obj_freed+0x2ec/0x940 [ 842.817026] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 842.823166] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 842.830220] [] ? compat_writev+0x150/0x150 [ 842.836121] [] ? vmacache_update+0xfe/0x130 [ 842.842073] [] ? do_fast_syscall_32+0xdb/0x8b0 [ 842.848329] [] ? compat_SyS_ppoll+0x420/0x420 [ 842.854496] [] do_fast_syscall_32+0x326/0x8b0 [ 842.860634] [] sysenter_flags_fixed+0xd/0x17 [ 842.866838] 1 lock held by syz-executor0/4321: [ 842.871398] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1ad0 [ 842.880973] Sending NMI to all CPUs: [ 842.884923] NMI backtrace for cpu 0 [ 842.888539] CPU: 0 PID: 491 Comm: khungtaskd Not tainted 4.4.139-g7ba5557 #2 [ 842.896275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 842.905651] task: ffff8800bba41800 task.stack: ffff8801d8e18000 [ 842.911687] RIP: 0010:[] [] flat_send_IPI_mask+0xf6/0x1a0 [ 842.920556] RSP: 0018:ffff8801d8e1fcc8 EFLAGS: 00000046 [ 842.926014] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 842.933281] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 [ 842.940576] RBP: ffff8801d8e1fcf0 R08: 0000000000000001 R09: 0000000000000000 [ 842.947863] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 842.955164] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f6a0 [ 842.962421] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 842.970685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 842.976585] CR2: 00000000021aeb10 CR3: 00000000ae2dd000 CR4: 00000000001606f0 [ 842.983857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 842.991167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 842.998459] Stack: [ 843.000594] ffffffff8446f6a0 ffffffff84a18ca0 0000000000000007 fffffbfff0942c44 [ 843.008164] 0000000000000040 ffff8801d8e1fd10 ffffffff810b5b01 ffffffff83c0b2a0 [ 843.015738] 0000000000000003 ffff8801d8e1fd68 ffffffff81e18603 ffffffff8140dd6f [ 843.023281] Call Trace: [ 843.025904] [] nmi_raise_cpu_backtrace+0x61/0x80 [ 843.025906] [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad [ 843.025908] [] ? print_lock+0x9f/0xa2 [ 843.025910] [] ? irq_force_complete_move+0x350/0x350 [ 843.025912] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 843.025914] [] watchdog.cold.1+0xd3/0xee [ 843.025916] [] ? watchdog+0xb0/0x9a0 [ 843.025927] [] kthread+0x268/0x300 [ 843.025929] [] ? reset_hung_task_detector+0x20/0x20 [ 843.025934] [] ? kthread_create_on_node+0x400/0x400 [ 843.025939] [] ? kthread_create_on_node+0x400/0x400 [ 843.025944] [] ret_from_fork+0x55/0x80 [ 843.025949] [] ? kthread_create_on_node+0x400/0x400 [ 843.025955] 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 e2 [ 843.025959] NMI backtrace for cpu 1 [ 843.025964] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.139-g7ba5557 #2 [ 843.025969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 843.025973] task: ffff8801d9a41800 task.stack: ffff8801d9a50000 [ 843.025978] RIP: 0010:[] [] native_safe_halt+0x6/0x10 [ 843.025982] RSP: 0018:ffff8801d9a57da0 EFLAGS: 00000246 [ 843.025987] RAX: 0000000000000007 RBX: ffffffff84a05d68 RCX: 0000000000000000 [ 843.025992] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d9a420dc [ 843.025996] RBP: ffff8801d9a57da0 R08: 0000000000000000 R09: 0000000000000000 [ 843.026001] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 843.026007] R13: 0000000000000001 R14: fffffbfff07488e8 R15: ffffffff84a05d68 [ 843.026012] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 843.026017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 843.026022] CR2: 00007f25299ec000 CR3: 00000000ae2dd000 CR4: 00000000001606f0 [ 843.026026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 843.026031] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 843.026035] Stack: [ 843.026040] ffff8801d9a57dd8 ffffffff81025cf5 ffff8801d9a58000 0000000000000000 [ 843.026044] 0000000000000000 fffffbfff07488e8 ffffffff84a05d68 ffff8801d9a57de8 [ 843.026049] ffffffff81027240 ffff8801d9a57e00 ffffffff8121bc07 dffffc0000000000 [ 843.026053] Call Trace: [ 843.026058] [] default_idle+0x55/0x3c0 [ 843.026062] [] arch_cpu_idle+0x10/0x20 [ 843.026067] [] default_idle_call+0x57/0x70 [ 843.026071] [] cpu_startup_entry+0x6af/0x780 [ 843.026075] [] ? call_cpuidle+0xe0/0xe0 [ 843.026080] [] start_secondary+0x324/0x400 [ 843.026086] [] ? set_cpu_sibling_map+0x1180/0x1180 [ 843.026092] 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 [ 843.029417] Kernel panic - not syncing: hung_task: blocked tasks [ 843.029424] CPU: 0 PID: 491 Comm: khungtaskd Not tainted 4.4.139-g7ba5557 #2 [ 843.029428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 843.029436] 0000000000000000 a7e12f1379d780b5 ffff8801d8e1fcb8 ffffffff81e0d58d [ 843.029441] ffffffff83a836c0 0000000000000002 7fffffffffffffff 00000000003fff83 [ 843.029447] dffffc0000000000 ffff8801d8e1fd78 ffffffff8140a184 0000000041b58ab3 [ 843.029448] Call Trace: [ 843.029459] [] dump_stack+0xc1/0x124 [ 843.029465] [] panic+0x19e/0x38d [ 843.029470] [] ? add_taint.cold.4+0x16/0x16 [ 843.029477] [] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488 [ 843.029481] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 843.029486] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 843.029491] [] watchdog.cold.1+0xe4/0xee [ 843.029498] [] ? watchdog+0xb0/0x9a0 [ 843.029505] [] kthread+0x268/0x300 [ 843.029510] [] ? reset_hung_task_detector+0x20/0x20 [ 843.029514] [] ? kthread_create_on_node+0x400/0x400 [ 843.029519] [] ? kthread_create_on_node+0x400/0x400 [ 843.029527] [] ret_from_fork+0x55/0x80 [ 843.029531] [] ? kthread_create_on_node+0x400/0x400 [ 843.034046] Dumping ftrace buffer: [ 843.034079] (ftrace buffer empty) [ 843.034081] Kernel Offset: disabled [ 843.480129] Rebooting in 86400 seconds..