INIT: Id "1" 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 "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes Warning: Permanently added 'ci-android-49-kasan-gce-2,10.128.15.213' (ECDSA) to the list of known hosts. 2017/09/01 11:10:43 parsed 1 programs 2017/09/01 11:10:43 executed programs: 0 2017/09/01 11:10:48 executed programs: 4139 2017/09/01 11:10:53 executed programs: 7732 2017/09/01 11:10:58 executed programs: 11391 2017/09/01 11:11:03 executed programs: 14904 2017/09/01 11:11:08 executed programs: 18355 2017/09/01 11:11:13 executed programs: 21844 2017/09/01 11:11:18 executed programs: 25227 2017/09/01 11:11:23 executed programs: 28361 2017/09/01 11:11:28 executed programs: 31563 2017/09/01 11:11:33 executed programs: 34914 2017/09/01 11:11:38 executed programs: 38465 2017/09/01 11:11:43 executed programs: 42090 2017/09/01 11:11:48 executed programs: 45640 2017/09/01 11:11:53 executed programs: 49176 2017/09/01 11:11:58 executed programs: 52746 2017/09/01 11:12:03 executed programs: 56312 2017/09/01 11:12:08 executed programs: 59684 INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "5" 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 INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes 2017/09/01 11:12:13 executed programs: 63110 [ 916.821162] random: crng init done 2017/09/01 11:12:18 executed programs: 66744 2017/09/01 11:12:23 executed programs: 70341 2017/09/01 11:12:28 executed programs: 73970 2017/09/01 11:12:33 executed programs: 77464 2017/09/01 11:12:38 executed programs: 81058 2017/09/01 11:12:43 executed programs: 84745 2017/09/01 11:12:48 executed programs: 88453 2017/09/01 11:12:53 executed programs: 92065 2017/09/01 11:12:58 executed programs: 95680 2017/09/01 11:13:03 executed programs: 99295 2017/09/01 11:13:08 executed programs: 102898 2017/09/01 11:13:13 executed programs: 106524 2017/09/01 11:13:18 executed programs: 110181 2017/09/01 11:13:23 executed programs: 113858 2017/09/01 11:13:28 executed programs: 117499 2017/09/01 11:13:33 executed programs: 121040 2017/09/01 11:13:38 executed programs: 124588 2017/09/01 11:13:43 executed programs: 128228 2017/09/01 11:13:48 executed programs: 131720 2017/09/01 11:13:53 executed programs: 135198 2017/09/01 11:13:58 executed programs: 138706 2017/09/01 11:14:03 executed programs: 142355 2017/09/01 11:14:08 executed programs: 145988 2017/09/01 11:14:13 executed programs: 149622 2017/09/01 11:14:18 executed programs: 153323 2017/09/01 11:14:23 executed programs: 157032 2017/09/01 11:14:28 executed programs: 160751 2017/09/01 11:14:33 executed programs: 164422 2017/09/01 11:14:38 executed programs: 168169 2017/09/01 11:14:43 executed programs: 171896 2017/09/01 11:14:48 executed programs: 175569 2017/09/01 11:14:53 executed programs: 179172 2017/09/01 11:14:58 executed programs: 182893 2017/09/01 11:15:03 executed programs: 186561 2017/09/01 11:15:08 executed programs: 190244 result: failed=false hanged=true err=invalid (or no) executor status received: 0, executor exit: signal: killed signal: killed 2017/09/01 11:16:12 executed programs: 193482 result: failed=false hanged=true err=invalid (or no) executor status received: 0, executor exit: signal: killed signal: killed [ 1227.540356] INFO: task syz-executor4:2373 blocked for more than 120 seconds. [ 1227.547583] Not tainted 4.9.46-g9100442 #38 [ 1227.552664] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1227.560760] syz-executor4 D28824 2373 1 0x00000002 [ 1227.566499] ffff8801d14eb000 ffff8801c9b95a40 ffff8801cd59c000 ffff8801d5c5c800 [ 1227.574690] ffff8801db321518 ffff8801d5c57568 ffffffff8389961b 0000000000000246 [ 1227.582955] ffff8801d14eb000 0000000000000000 ffff8801db321e40 ffff8801db321e68 [ 1227.591124] Call Trace: [ 1227.593714] [] ? __schedule+0x67b/0x1ba0 [ 1227.599399] [] schedule+0x92/0x1b0 [ 1227.604871] [] schedule_preempt_disabled+0x13/0x20 [ 1227.611623] [] mutex_lock_nested+0x312/0x870 [ 1227.617661] [] ? snd_timer_close+0x3a/0x670 [ 1227.623786] [] ? mutex_lock_killable_nested+0x960/0x960 [ 1227.630926] [] snd_timer_close+0x3a/0x670 [ 1227.636709] [] snd_seq_timer_close+0x93/0xb0 [ 1227.642907] [] queue_delete+0x4e/0xb0 [ 1227.648339] [] snd_seq_queue_delete+0x3c/0x50 [ 1227.654636] [] snd_seq_ioctl_delete_queue+0x6a/0x90 [ 1227.661783] [] ? snd_seq_ioctl_set_client_info+0x2a0/0x2a0 [ 1227.669049] [] snd_seq_kernel_client_ctl+0x122/0x160 [ 1227.675939] [] ? snd_midi_event_new+0x200/0x200 [ 1227.682384] [] delete_seq_queue.part.3+0xa2/0x110 [ 1227.688866] [] ? receive_announce+0x110/0x110 [ 1227.695160] [] snd_seq_oss_release+0xfb/0x130 [ 1227.701447] [] odev_release+0x52/0x70 [ 1227.706879] [] __fput+0x28c/0x6e0 [ 1227.712113] [] ____fput+0x15/0x20 [ 1227.717198] [] task_work_run+0x115/0x190 [ 1227.723042] [] do_exit+0x82e/0x2a50 [ 1227.728303] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 1227.735455] [] ? futex_wake+0x1ac/0x440 [ 1227.741241] [] ? release_task+0x1240/0x1240 [ 1227.747195] [] ? __dequeue_signal+0xa3/0x550 [ 1227.753379] [] ? recalc_sigpending_tsk+0x115/0x150 [ 1227.759943] [] ? recalc_sigpending+0x72/0x90 [ 1227.766149] [] ? dequeue_signal+0xc4/0x4b0 [ 1227.772187] [] ? __dequeue_signal+0x550/0x550 [ 1227.778315] [] do_group_exit+0x108/0x320 [ 1227.784199] [] get_signal+0x55c/0x1600 [ 1227.789722] [] ? do_futex+0x3e8/0x1640 [ 1227.795598] [] do_signal+0x87/0x1960 [ 1227.801112] [] ? odev_ioctl+0x65/0x80 [ 1227.806546] [] ? odev_open+0x90/0x90 [ 1227.812039] [] ? do_vfs_ioctl+0x458/0x10c0 [ 1227.817908] [] ? setup_sigcontext+0x7d0/0x7d0 [ 1227.824196] [] ? ioctl_preallocate+0x220/0x220 [ 1227.830565] [] ? selinux_file_ioctl+0x355/0x530 [ 1227.836869] [] ? selinux_capable+0x40/0x40 [ 1227.842894] [] ? __fget+0x47/0x3a0 [ 1227.848068] [] ? SyS_futex+0x22e/0x2d0 [ 1227.853739] [] ? do_futex+0x1640/0x1640 [ 1227.859345] [] exit_to_usermode_loop+0xe5/0x130 [ 1227.865877] [] syscall_return_slowpath+0x1a0/0x1e0 [ 1227.872621] [] entry_SYSCALL_64_fastpath+0xc4/0xc6 [ 1227.879180] INFO: lockdep is turned off. [ 1227.883377] NMI backtrace for cpu 0 [ 1227.886987] CPU: 0 PID: 514 Comm: khungtaskd Not tainted 4.9.46-g9100442 #38 [ 1227.894144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1227.903470] ffff8801d8f8fd00 ffffffff81d93129 0000000000000000 0000000000000000 [ 1227.911528] 0000000000000000 0000000000000001 ffffffff810bd020 ffff8801d8f8fd38 [ 1227.919522] ffffffff81d9e23d 0000000000000000 0000000000000000 ffff8801cc643418 [ 1227.927510] Call Trace: [ 1227.930067] [] dump_stack+0xc1/0x128 [ 1227.935407] [] ? irq_force_complete_move+0x390/0x390 [ 1227.942142] [] nmi_cpu_backtrace+0xfd/0x120 [ 1227.948085] [] ? irq_force_complete_move+0x390/0x390 [ 1227.954811] [] nmi_trigger_cpumask_backtrace+0x117/0x190 [ 1227.961884] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1227.968872] [] watchdog+0x6f0/0xa70 [ 1227.974124] [] ? watchdog+0x125/0xa70 [ 1227.979551] [] kthread+0x26d/0x300 [ 1227.984739] [] ? reset_hung_task_detector+0x20/0x20 [ 1227.991407] [] ? kthread_park+0xa0/0xa0 [ 1227.997018] [] ? kthread_park+0xa0/0xa0 [ 1228.002619] [] ? kthread_park+0xa0/0xa0 [ 1228.008217] [] ret_from_fork+0x2a/0x40 [ 1228.013781] Sending NMI from CPU 0 to CPUs 1: [ 1228.018658] NMI backtrace for cpu 1 [ 1228.022276] CPU: 1 PID: 2382 Comm: syz-executor2 Not tainted 4.9.46-g9100442 #38 [ 1228.029780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1228.039110] task: ffff8801d0d48000 task.stack: ffff8801cb1a0000 [ 1228.045138] RIP: 0010:[] c [] delay_tsc+0x4a/0xc0 [ 1228.053160] RSP: 0018:ffff8801cb1a7868 EFLAGS: 00000246 [ 1228.058580] RAX: 0000000000000001 RBX: 000002928b6745dd RCX: 0000000000000000 [ 1228.065832] RDX: 0000000000000000 RSI: ffffffff83c17340 RDI: ffffffff83c17380 [ 1228.073072] RBP: ffff8801cb1a7888 R08: 0000000000000001 R09: 0000000000000000 [ 1228.080314] R10: 0000000000000000 R11: 1ffff10039634ede R12: 000002928b671cfc [ 1228.087557] R13: 00000000000059d9 R14: 0000000000000001 R15: ffffffff82d9f3d0 [ 1228.094796] FS: 00007f3b6c419700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 1228.102990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1228.108844] CR2: 00007fd1bf9fd000 CR3: 00000001d0fb1000 CR4: 00000000001406e0 [ 1228.116083] Stack: [ 1228.118207] ffffed00390a3742c ffff8801c851ba00c ffff8801c851ba00c ffff8801d12da8b0c [ 1228.126407] ffff8801cb1a7898c ffffffff81dc10abc ffff8801cb1a78f0c ffffffff82d9ee57c [ 1228.134612] ffff8801c851ba10c ffff8801c6da1010c ffff8801d12da8b0c ffff8801d12da780c [ 1228.142809] Call Trace: [ 1228.145361] [] __const_udelay+0x2b/0x30 [ 1228.150955] [] snd_timer_close+0xf7/0x670 [ 1228.156721] [] ? snd_timer_close+0x670/0x670 [ 1228.162751] [] snd_timer_user_release+0x97/0x130 [ 1228.169129] [] __fput+0x28c/0x6e0 [ 1228.174204] [] ____fput+0x15/0x20 [ 1228.179288] [] task_work_run+0x115/0x190 [ 1228.184969] [] do_exit+0x82e/0x2a50 [ 1228.190225] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 1228.197214] [] ? futex_wake+0x1ac/0x440 [ 1228.202811] [] ? release_task+0x1240/0x1240 [ 1228.208753] [] ? wake_up_q+0x8a/0xe0 [ 1228.214087] [] ? drop_futex_key_refs.isra.12+0x63/0xd0 [ 1228.220987] [] ? __dequeue_signal+0xa3/0x550 [ 1228.227014] [] ? recalc_sigpending_tsk+0x115/0x150 [ 1228.233564] [] ? recalc_sigpending+0x72/0x90 [ 1228.239592] [] ? dequeue_signal+0xc4/0x4b0 [ 1228.245445] [] ? __dequeue_signal+0x550/0x550 [ 1228.251560] [] do_group_exit+0x108/0x320 [ 1228.257240] [] get_signal+0x55c/0x1600 [ 1228.262747] [] ? do_futex+0x3e8/0x1640 [ 1228.268256] [] ? update_load_avg+0x7bf/0x1db0 [ 1228.274370] [] do_signal+0x87/0x1960 [ 1228.279703] [] ? pick_next_task_fair+0x11e6/0x2000 [ 1228.286265] [] ? setup_sigcontext+0x7d0/0x7d0 [ 1228.292379] [] ? finish_task_switch+0x1ed/0x630 [ 1228.298665] [] ? check_preemption_disabled+0x3b/0x200 [ 1228.305476] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 1228.311766] [] ? finish_task_switch+0x1ed/0x630 [ 1228.318057] [] ? SyS_futex+0x22e/0x2d0 [ 1228.323563] [] ? __schedule+0x683/0x1ba0 [ 1228.329243] [] ? do_futex+0x1640/0x1640 [ 1228.334842] [] exit_to_usermode_loop+0xe5/0x130 [ 1228.341129] [] syscall_return_slowpath+0x1a0/0x1e0 [ 1228.347677] [] entry_SYSCALL_64_fastpath+0xc4/0xc6 [ 1228.354230] Code: cc6 c0f cae ce8 c0f c31 c48 cc1 ce2 c20 c48 c09 cc2 c49 c89 cd4 ceb c16 cf3 c90 cbf c01 c00 c00 c00 ce8 cb3 ca5 c3f cff ce8 c8e c92 c03 c00 c44 c39 cf0 c75 c36 c0f cae ce8 c<0f> c31 c48 cc1 ce2 c20 c48 c89 cd3 c48 c09 cc3 c48 c89 cd8 c4c c29 ce0 c4c c39 ce8 c [ 1228.388279] Kernel panic - not syncing: hung_task: blocked tasks [ 1228.394425] CPU: 0 PID: 514 Comm: khungtaskd Not tainted 4.9.46-g9100442 #38 [ 1228.401589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1228.410920] ffff8801d8f8fcb8 ffffffff81d93129 ffffffff83a899e0 ffff8801d8f8fd90 [ 1228.418938] ffff8801cc643400 dffffc0000000000 ffffffff84409000 ffff8801d8f8fd80 [ 1228.426928] ffffffff8142e7b1 0000000041b58ab3 ffffffff84184af8 ffffffff8142e5f5 [ 1228.434921] Call Trace: [ 1228.437498] [] dump_stack+0xc1/0x128 [ 1228.442841] [] panic+0x1bc/0x3a8 [ 1228.447834] [] ? percpu_up_read_preempt_enable.constprop.53+0xd7/0xd7 [ 1228.456043] [] watchdog+0x701/0xa70 [ 1228.461295] [] ? watchdog+0x125/0xa70 [ 1228.466733] [] kthread+0x26d/0x300 [ 1228.471911] [] ? reset_hung_task_detector+0x20/0x20 [ 1228.478547] [] ? kthread_park+0xa0/0xa0 [ 1228.484143] [] ? kthread_park+0xa0/0xa0 [ 1228.489739] [] ? kthread_park+0xa0/0xa0 [ 1228.495344] [] ret_from_fork+0x2a/0x40 [ 1228.501105] Dumping ftrace buffer: [ 1228.504623] (ftrace buffer empty) [ 1228.508318] Kernel Offset: disabled [ 1228.511924] Rebooting in 86400 seconds..