INIT: Id "1" respawning too fast: disabled for 5 minutes 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 Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. 2018/07/08 08:12:49 parsed 1 programs 2018/07/08 08:12:50 executed programs: 0 [ 544.857867] IPVS: Creating netns size=2552 id=1 [ 545.105360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 545.120900] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 545.201109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 545.217156] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 545.298726] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 545.313390] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 545.329392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 545.345960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 546.038484] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 546.075164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 702.326532] INFO: task syz-executor0:4321 blocked for more than 140 seconds. [ 702.333766] Not tainted 4.4.139-g7ba5557 #2 [ 702.338943] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 702.346972] syz-executor0 D ffff8800ac6b79c8 28144 4321 3971 0x20020004 [ 702.354456] ffff8800ac6b79c8 0000000000000000 ffff8801d44138e0 ffffed003a88271b [ 702.362474] ffff8801d4413000 ffff8801db21fdb8 ffff8801db21fde0 ffff8801db21f4d8 [ 702.370484] ffff8801db21f4c0 ffffffff84417840 ffff8801d4413000 0000000000000000 [ 702.378590] Call Trace: [ 702.381337] [] schedule+0x7a/0x1b0 [ 702.386610] [] schedule_preempt_disabled+0x13/0x20 [ 702.393195] [] mutex_lock_nested+0x307/0x850 [ 702.399429] [] ? lo_ioctl+0x8b/0x1ad0 [ 702.404864] [] ? mutex_lock_killable_nested+0x980/0x980 [ 702.411966] [] ? debug_check_no_locks_freed+0x210/0x210 [ 702.418985] [] lo_ioctl+0x8b/0x1ad0 [ 702.424313] [] ? __kernel_text_address+0x6b/0xa0 [ 702.430766] [] ? print_context_stack+0x4b/0xd0 [ 702.437006] [] lo_compat_ioctl+0xb2/0x140 [ 702.442777] [] ? lo_ioctl+0x1ad0/0x1ad0 [ 702.448508] [] compat_blkdev_ioctl+0x395/0x3a10 [ 702.454892] [] ? evict_inodes+0x310/0x360 [ 702.460699] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 702.467446] [] ? __fget+0x16f/0x3b0 [ 702.472697] [] ? __fget+0x47/0x3b0 [ 702.477936] [] ? kfree+0xf4/0x310 [ 702.483079] [] ? security_file_ioctl+0x8f/0xc0 [ 702.489312] [] ? cfq_dispatch_requests+0x2fc0/0x2fc0 [ 702.496074] [] compat_SyS_ioctl+0x484/0x2270 [ 702.502146] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 702.508981] [] ? compat_SyS_ppoll+0x420/0x420 [ 702.515128] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 702.522090] [] ? debug_check_no_obj_freed+0x2ec/0x940 [ 702.528968] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 702.535088] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 702.542131] [] ? SyS_memfd_create+0x258/0x2e0 [ 702.548290] [] ? kasan_slab_free+0x88/0xc0 [ 702.554151] [] ? do_fast_syscall_32+0xdb/0x8b0 [ 702.560392] [] ? compat_SyS_ppoll+0x420/0x420 [ 702.566532] [] do_fast_syscall_32+0x326/0x8b0 [ 702.572656] [] sysenter_flags_fixed+0xd/0x17 [ 702.578835] 1 lock held by syz-executor0/4321: [ 702.583459] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1ad0 [ 702.592983] Sending NMI to all CPUs: [ 702.597064] NMI backtrace for cpu 0 [ 702.600666] CPU: 0 PID: 492 Comm: khungtaskd Not tainted 4.4.139-g7ba5557 #2 [ 702.607866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.617213] task: ffff8801d8d70000 task.stack: ffff8801d8d30000 [ 702.623243] RIP: 0010:[] [] flat_send_IPI_mask+0xf6/0x1a0 [ 702.631992] RSP: 0018:ffff8801d8d37cc8 EFLAGS: 00000046 [ 702.637439] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 702.645377] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 [ 702.652644] RBP: ffff8801d8d37cf0 R08: 0000000000000001 R09: 0000000000000000 [ 702.659905] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 702.667171] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f6a0 [ 702.674419] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 702.682645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 702.688522] CR2: 00007f1488bf6000 CR3: 00000001d3ab6000 CR4: 00000000001606f0 [ 702.695767] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 702.703037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 702.710299] Stack: [ 702.712432] ffffffff8446f6a0 ffffffff84a18ca0 0000000000000007 fffffbfff0942c44 [ 702.719956] 0000000000000040 ffff8801d8d37d10 ffffffff810b5b01 ffffffff83c0b2a0 [ 702.727476] 0000000000000003 ffff8801d8d37d68 ffffffff81e18603 ffffffff8140dd6f [ 702.734978] Call Trace: [ 702.737552] [] nmi_raise_cpu_backtrace+0x61/0x80 [ 702.743928] [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad [ 702.751462] [] ? print_lock+0x9f/0xa2 [ 702.756898] [] ? irq_force_complete_move+0x350/0x350 [ 702.763621] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 702.770642] [] watchdog.cold.1+0xd3/0xee [ 702.776324] [] ? watchdog+0xb0/0x9a0 [ 702.781689] [] kthread+0x268/0x300 [ 702.786867] [] ? reset_hung_task_detector+0x20/0x20 [ 702.793503] [] ? kthread_create_on_node+0x400/0x400 [ 702.800157] [] ? kthread_create_on_node+0x400/0x400 [ 702.806808] [] ret_from_fork+0x55/0x80 [ 702.812316] [] ? kthread_create_on_node+0x400/0x400 [ 702.818974] 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 [ 702.837953] NMI backtrace for cpu 1 [ 702.841551] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.139-g7ba5557 #2 [ 702.848465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.857824] task: ffff8801d9a41800 task.stack: ffff8801d9a50000 [ 702.863853] RIP: 0010:[] [] trace_hardirqs_on_caller+0xf6/0x590 [ 702.873110] RSP: 0018:ffff8801d9a57db8 EFLAGS: 00000046 [ 702.878546] RAX: 0000000000000000 RBX: ffffffff8592e600 RCX: 1ffffffff0942961 [ 702.885799] RDX: 0000000000000004 RSI: ffffffff81e6d11b RDI: ffff8801d9a420a8 [ 702.893059] RBP: ffff8801d9a57dc8 R08: 0000000000000000 R09: 0000000000000000 [ 702.900341] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81281d79 [ 702.907605] R13: 0000000000000000 R14: fffffbfff07488e8 R15: ffffffff84a05d68 [ 702.914861] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 702.923077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 702.928947] CR2: 00000000006c47e4 CR3: 00000001d3ab6000 CR4: 00000000001606f0 [ 702.936189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 702.943450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 702.950708] Stack: [ 702.952830] ffff8801db318570 0000000000000296 ffff8801d9a57dd8 ffffffff8122eacd [ 702.960362] ffff8801d9a57e00 ffffffff81281d79 ffff8801d9a57e00 dffffc0000000000 [ 702.967882] 0000000000000000 ffff8801d9a57ea8 ffffffff8121bf64 fffffbfff0942a2e [ 702.975397] Call Trace: [ 702.977972] [] trace_hardirqs_on+0xd/0x10 [ 702.983739] [] rcu_idle_exit+0xb9/0x100 [ 702.989351] [] cpu_startup_entry+0x264/0x780 [ 702.995379] [] ? call_cpuidle+0xe0/0xe0 [ 703.000991] [] start_secondary+0x324/0x400 [ 703.006871] [] ? set_cpu_sibling_map+0x1180/0x1180 [ 703.013433] Code: 45 85 d2 0f 85 a5 02 00 00 48 c7 c3 00 e6 92 85 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 <83> c0 03 38 d0 7c 08 84 d2 0f 85 2a 03 00 00 44 8b 0d c4 ff 6f [ 703.032675] Kernel panic - not syncing: hung_task: blocked tasks [ 703.038803] CPU: 0 PID: 492 Comm: khungtaskd Not tainted 4.4.139-g7ba5557 #2 [ 703.045962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.055292] 0000000000000000 674cc8cb04d37d2a ffff8801d8d37cb8 ffffffff81e0d58d [ 703.063279] ffffffff83a836c0 0000000000000002 7fffffffffffffff 00000000003fff83 [ 703.071281] dffffc0000000000 ffff8801d8d37d78 ffffffff8140a184 0000000041b58ab3 [ 703.079293] Call Trace: [ 703.081863] [] dump_stack+0xc1/0x124 [ 703.087213] [] panic+0x19e/0x38d [ 703.092202] [] ? add_taint.cold.4+0x16/0x16 [ 703.098160] [] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488 [ 703.105419] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 703.112689] [] ? nmi_trigger_all_cpu_backtrace+0x395/0x488 [ 703.119944] [] watchdog.cold.1+0xe4/0xee [ 703.125639] [] ? watchdog+0xb0/0x9a0 [ 703.130976] [] kthread+0x268/0x300 [ 703.136141] [] ? reset_hung_task_detector+0x20/0x20 [ 703.142790] [] ? kthread_create_on_node+0x400/0x400 [ 703.149429] [] ? kthread_create_on_node+0x400/0x400 [ 703.156069] [] ret_from_fork+0x55/0x80 [ 703.161579] [] ? kthread_create_on_node+0x400/0x400 [ 703.168753] Dumping ftrace buffer: [ 703.172365] (ftrace buffer empty) [ 703.176052] Kernel Offset: disabled [ 703.179663] Rebooting in 86400 seconds..