Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts.
2019/11/03 02:47:32 parsed 1 programs
2019/11/03 02:47:34 executed programs: 0
[ 1261.894875] INFO: task syz-executor.2:2274 blocked for more than 140 seconds.
[ 1261.903140]       Not tainted 4.4.174+ #17
[ 1261.907787] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1261.915865] syz-executor.2  D ffff8801d3217aa8 25064  2274      1 0x20020004
[ 1261.923548]  ffff8801d3217aa8 ffff8801d1602f80 688d919577538887 ffff8801d1602f80
[ 1261.931671]  0000000000000002 ffff8801d1603800 ffff8801db61f180 ffff8801db61f1a8
[ 1261.939724]  ffff8801db61e898 ffff8800b40ac740 ffff8801d1602f80 ffffed003a642001
[ 1261.947831] Call Trace:
[ 1261.950419]  [<ffffffff82709b79>] schedule+0x99/0x1d0
[ 1261.955638]  [<ffffffff8270a333>] schedule_preempt_disabled+0x13/0x20
[ 1261.962209]  [<ffffffff8270c492>] mutex_lock_nested+0x3c2/0xb80
[ 1261.968285]  [<ffffffff81d48124>] ? lo_release+0x84/0x1b0
[ 1261.973812]  [<ffffffff8270c715>] ? mutex_lock_nested+0x645/0xb80
[ 1261.980067]  [<ffffffff8154e13b>] ? __blkdev_put+0xbb/0x840
[ 1261.985810]  [<ffffffff8270c0d0>] ? mutex_trylock+0x500/0x500
[ 1261.991800]  [<ffffffff8154e299>] ? __blkdev_put+0x219/0x840
[ 1261.997645]  [<ffffffff8154e442>] ? __blkdev_put+0x3c2/0x840
[ 1262.003439]  [<ffffffff81d480a0>] ? lo_compat_ioctl+0x140/0x140
[ 1262.009537]  [<ffffffff81d48124>] lo_release+0x84/0x1b0
[ 1262.014993]  [<ffffffff81d480a0>] ? lo_compat_ioctl+0x140/0x140
[ 1262.021028]  [<ffffffff8154e4e1>] __blkdev_put+0x461/0x840
[ 1262.026659]  [<ffffffff8271250d>] ? __mutex_unlock_slowpath+0x25d/0x530
[ 1262.033398]  [<ffffffff8154e080>] ? bd_unlink_disk_holder+0x450/0x450
[ 1262.040000]  [<ffffffff8154f738>] blkdev_put+0x88/0x560
[ 1262.045470]  [<ffffffff8154fc10>] ? blkdev_put+0x560/0x560
[ 1262.051080]  [<ffffffff8154fc9b>] blkdev_close+0x8b/0xb0
[ 1262.056593]  [<ffffffff8149c8c6>] __fput+0x246/0x710
[ 1262.061702]  [<ffffffff8149ce16>] ____fput+0x16/0x20
[ 1262.066843]  [<ffffffff8112f352>] task_work_run+0x202/0x2b0
[ 1262.072553]  [<ffffffff81003dca>] exit_to_usermode_loop+0x14a/0x170
[ 1262.079019]  [<ffffffff810064b9>] do_fast_syscall_32+0x7a9/0xa90
[ 1262.085183]  [<ffffffff8271a350>] sysenter_flags_fixed+0xd/0x1a
[ 1262.091219] 3 locks held by syz-executor.2/2274:
[ 1262.096195]  #0:  (&bdev->bd_mutex){+.+.+.}, at: [<ffffffff8154e13b>] __blkdev_put+0xbb/0x840
[ 1262.105601]  #1:  (loop_index_mutex){+.+.+.}, at: [<ffffffff81d480be>] lo_release+0x1e/0x1b0
[ 1262.114814]  #2:  (loop_ctl_mutex#2){+.+...}, at: [<ffffffff81d48124>] lo_release+0x84/0x1b0
[ 1262.124118] Sending NMI to all CPUs:
[ 1262.128137] NMI backtrace for cpu 0
[ 1262.131862] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #17
[ 1262.138206] task: ffffffff82e151c0 task.stack: ffffffff82e00000
[ 1262.144286] RIP: 0010:[<ffffffff812464f0>]  [<ffffffff812464f0>] rcu_idle_exit+0x0/0x100
[ 1262.152530] RSP: 0018:ffffffff82e07e10  EFLAGS: 00000202
[ 1262.158038] RAX: 0000000000000202 RBX: 0000000000000000 RCX: 0000000000000000
[ 1262.165317] RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffffffff8292c000
[ 1262.172746] RBP: ffffffff82e07ed0 R08: 0000000000000000 R09: 0000000000000000
[ 1262.180024] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1262.187472] R13: ffffffff82e08000 R14: dffffc0000000000 R15: ffffffff82e00000
[ 1262.194751] FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
[ 1262.202971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1262.208872] CR2: 00007f7ebdfb0000 CR3: 00000000b2dd8000 CR4: 00000000001606b0
[ 1262.216157] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1262.223402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1262.230769] Stack:
[ 1262.232905]  ffffffff811eb811 ffffffff811eafe8 fffffbfff05c0001 ffffffff82e08000
[ 1262.240441]  fffffbfff05c0001 ffffffff82e00008 ffffffff82e00008 0000000041b58ab3
[ 1262.247971]  ffffffff82c439df ffffffff811eb5d0 ffffffff82e151c0 b2d779b56bb0018e
[ 1262.255500] Call Trace:
[ 1262.258075]  [<ffffffff811eb811>] ? cpu_startup_entry+0x241/0x810
[ 1262.264278]  [<ffffffff811eafe8>] ? complete+0x18/0x70
[ 1262.269571]  [<ffffffff811eb5d0>] ? call_cpuidle+0xe0/0xe0
[ 1262.275221]  [<ffffffff82709b8b>] ? schedule+0xab/0x1d0
[ 1262.280556]  [<ffffffff827055f9>] rest_init+0x190/0x199
[ 1262.285924]  [<ffffffff831dc3fc>] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c
[ 1262.293969]  [<ffffffff831d58a0>] start_kernel+0x64a/0x67e
[ 1262.299603]  [<ffffffff831d5256>] ? thread_stack_cache_init+0xb/0xb
[ 1262.306011]  [<ffffffff831d4120>] ? early_idt_handler_array+0x120/0x120
[ 1262.312744]  [<ffffffff831d4120>] ? early_idt_handler_array+0x120/0x120
[ 1262.319497]  [<ffffffff831d430a>] x86_64_start_reservations+0x29/0x2b
[ 1262.326086]  [<ffffffff831d4443>] x86_64_start_kernel+0x137/0x15a
[ 1262.332301] Code: 23 00 e9 4a fa ff ff 48 89 df e8 ec e9 23 00 e9 83 fa ff ff e8 e2 e9 23 00 e9 57 fa ff ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 54 53 48 83 ec 08 9c 58 0f 1f 44 00 00 49 89 c4 
[ 1262.351293] NMI backtrace for cpu 1
[ 1262.354921] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17
[ 1262.361387] task: ffff8801da6c2f80 task.stack: ffff8800001e8000
[ 1262.367456] RIP: 0010:[<ffffffff8109b617>]  [<ffffffff8109b617>] flat_send_IPI_mask+0xf7/0x1b0
[ 1262.376202] RSP: 0018:ffff8800001efc88  EFLAGS: 00000046
[ 1262.381625] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000
[ 1262.388908] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300
[ 1262.396178] RBP: ffff8800001efcb8 R08: 0000000000000018 R09: 0000000000000000
[ 1262.403527] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[ 1262.411013] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002
[ 1262.418609] FS:  0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
[ 1262.426886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1262.432772] CR2: 00007ff33711b000 CR3: 00000000b2dd8000 CR4: 00000000001606b0
[ 1262.440061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1262.447339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1262.454619] Stack:
[ 1262.456754]  0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34
[ 1262.464310]  000000000001b6c0 0000000000000008 ffff8800001efcd8 ffffffff81092bee
[ 1262.472370]  0000000000000008 ffffffff82924260 ffff8800001efd30 ffffffff81ab8252
[ 1262.479960] Call Trace:
[ 1262.482568]  [<ffffffff81092bee>] nmi_raise_cpu_backtrace+0x5e/0x80
[ 1262.488986]  [<ffffffff81ab8252>] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae
[ 1262.496363]  [<ffffffff813ab1a4>] ? print_lock+0xa8/0xab
[ 1262.501789]  [<ffffffff81092b90>] ? irq_force_complete_move+0x330/0x330
[ 1262.508553]  [<ffffffff81092ca4>] arch_trigger_all_cpu_backtrace+0x14/0x20
[ 1262.515565]  [<ffffffff813b4762>] watchdog.cold+0xd3/0xee
[ 1262.521085]  [<ffffffff81309bec>] ? watchdog+0xac/0xa00
[ 1262.526447]  [<ffffffff81309b40>] ? reset_hung_task_detector+0x20/0x20
[ 1262.533093]  [<ffffffff811342c3>] kthread+0x273/0x310
[ 1262.538285]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[ 1262.544941]  [<ffffffff82718079>] ? _raw_spin_unlock_irq+0x39/0x60
[ 1262.551230]  [<ffffffff81159431>] ? finish_task_switch+0x1e1/0x660
[ 1262.557554]  [<ffffffff81159403>] ? finish_task_switch+0x1b3/0x660
[ 1262.563859]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[ 1262.569662]  [<ffffffff827081f3>] ? __schedule+0x7a3/0x1ee0
[ 1262.575368]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[ 1262.581049]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[ 1262.587710]  [<ffffffff82718fc5>] ret_from_fork+0x55/0x80
[ 1262.593247]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[ 1262.599925] Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f1 
[ 1262.619007] Kernel panic - not syncing: hung_task: blocked tasks
[ 1262.625130] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17
[ 1262.631614]  0000000000000000 b4f32ac523383d36 ffff8800001efc60 ffffffff81aad1a1
[ 1262.639790]  ffff8801d1602f80 ffffffff82872120 dffffc0000000000 0000000000000003
[ 1262.647810]  00000000003fff99 ffff8800001efd40 ffffffff813a48c2 0000000041b58ab3
[ 1262.655819] Call Trace:
[ 1262.658393]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[ 1262.663823]  [<ffffffff813a48c2>] panic+0x1b9/0x37b
[ 1262.668819]  [<ffffffff813a4709>] ? add_taint.cold+0x16/0x16
[ 1262.674616]  [<ffffffff81ab8061>] ? nmi_trigger_all_cpu_backtrace+0x3e1/0x490
[ 1262.681872]  [<ffffffff81ab8046>] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490
[ 1262.689124]  [<ffffffff81ab8046>] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490
[ 1262.696376]  [<ffffffff813b4773>] watchdog.cold+0xe4/0xee
[ 1262.701888]  [<ffffffff81309bec>] ? watchdog+0xac/0xa00
[ 1262.707232]  [<ffffffff81309b40>] ? reset_hung_task_detector+0x20/0x20
[ 1262.713887]  [<ffffffff811342c3>] kthread+0x273/0x310
[ 1262.719052]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[ 1262.725691]  [<ffffffff82718079>] ? _raw_spin_unlock_irq+0x39/0x60
[ 1262.731988]  [<ffffffff81159431>] ? finish_task_switch+0x1e1/0x660
[ 1262.738468]  [<ffffffff81159403>] ? finish_task_switch+0x1b3/0x660
[ 1262.744765]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[ 1262.750448]  [<ffffffff827081f3>] ? __schedule+0x7a3/0x1ee0
[ 1262.756131]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[ 1262.761825]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[ 1262.768501]  [<ffffffff82718fc5>] ret_from_fork+0x55/0x80
[ 1262.774023]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[ 1262.781324] Kernel Offset: disabled
[ 1262.789741] Rebooting in 86400 seconds..