Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  625.438468] syz-executor432 (2251) used greatest stack depth: 23616 bytes left
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  841.747498] INFO: task syz-executor432:2242 blocked for more than 140 seconds.
[  841.755094]       Not tainted 4.4.174+ #4
[  841.767444] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  841.775446] syz-executor432 D ffff8800b3b27b90 29816  2242      1 0x00000000
[  841.802156]  ffff8800b3b27b90 ffffffff811ff385 0000000000000296 ffffffff84126848
[  841.810374]  ffff8800b3b27b40 0000000000000200 ffff8801db71f180 ffff8801db71f1a8
[  841.818452]  ffff8801db71e898 ffff8801da6897c0 ffff8801d2508000 ffffed0016764001
[  841.847834] Call Trace:
[  841.850423]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[  841.857363]  [<ffffffff82709b79>] schedule+0x99/0x1d0
[  841.862623]  [<ffffffff82715c4b>] schedule_timeout+0x47b/0x7c0
[  841.868632]  [<ffffffff827157d0>] ? usleep_range+0x140/0x140
[  841.874433]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[  841.881202]  [<ffffffff8270b24d>] ? wait_for_common+0xad/0x530
[  841.887172]  [<ffffffff82718068>] ? _raw_spin_unlock_irq+0x28/0x60
[  841.893504]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[  841.900371]  [<ffffffff8270b455>] wait_for_common+0x2b5/0x530
[  841.906261]  [<ffffffff8270b1a0>] ? out_of_line_wait_on_atomic_t+0x200/0x200
[  841.913561]  [<ffffffff81168bd0>] ? wake_up_process+0x20/0x20
[  841.919478]  [<ffffffff81583a79>] ? SyS_io_destroy+0x189/0x350
[  841.925445]  [<ffffffff8270b6e8>] wait_for_completion+0x18/0x20
[  841.931523]  [<ffffffff81583bb1>] SyS_io_destroy+0x2c1/0x350
[  841.937373]  [<ffffffff815839cf>] ? SyS_io_destroy+0xdf/0x350
executing program
[  841.943271]  [<ffffffff815838f0>] ? SyS_io_setup+0x2120/0x2120
[  841.949328]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[  841.955818]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[  842.087467] no locks held by syz-executor432/2242.
[  842.092441] Sending NMI to all CPUs:
[  842.097450] NMI backtrace for cpu 0
[  842.101082] CPU: 0 PID: 2250 Comm: syz-executor432 Not tainted 4.4.174+ #4
[  842.108467] task: ffff8801d1dac740 task.stack: ffff8801da7c0000
[  842.114517] RIP: 0010:[<ffffffff8102e49f>]  [<ffffffff8102e49f>] save_stack_address+0x1f/0x30
[  842.123295] RSP: 0000:ffff8801da7c7800  EFLAGS: 00000046
[  842.128766] RAX: ffffffff8102e480 RBX: ffff8801da7c7dd0 RCX: 0000000000000000
[  842.137532] RDX: 0000000000000000 RSI: ffffffff81430941 RDI: ffff8801da7c7908
[  842.144949] RBP: ffff8801da7c7850 R08: ffff8801da7c7908 R09: 0000000000000000
[  842.152246] R10: ffff8801da7c7e28 R11: 0000000000000000 R12: 0000000000000000
[  842.159623] R13: ffff8801da7c7908 R14: ffff8801da7c7ff8 R15: ffff8801da7c0000
[  842.166993] FS:  000000000199a940(0063) GS:ffff8801db600000(0000) knlGS:0000000000000000
[  842.175259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  842.181152] CR2: 0000000000000000 CR3: 00000001cc69a000 CR4: 00000000001606b0
[  842.188440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  842.195707] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  842.203079] Stack:
[  842.205225]  ffffffff81013573 ffffffff81430941 ffff8801da7c7e28 ffff8801da7c7e28
[  842.212768]  ffffffff8280f0b0 ffff8801da7c7908 ffffffff8280f0b0 ffff8801da7c78a8
[  842.220314]  ffff8801db607fc0 0000000000000000 ffff8801da7c78e0 ffffffff81012bb9
[  842.227857] Call Trace:
[  842.230432]  [<ffffffff81013573>] ? print_context_stack+0x83/0xd0
[  842.236650]  [<ffffffff81430941>] ? __might_fault+0x191/0x1d0
[  842.242559]  [<ffffffff81012bb9>] dump_trace+0x179/0x390
[  842.248029]  [<ffffffff8102e3c6>] ? save_stack_trace+0x26/0x50
[  842.254032]  [<ffffffff8102e3c6>] save_stack_trace+0x26/0x50
[  842.264797]  [<ffffffff81483f22>] kasan_kmalloc.part.0+0x62/0xf0
[  842.270962]  [<ffffffff8102e3c6>] ? save_stack_trace+0x26/0x50
[  842.276928]  [<ffffffff81483f22>] ? kasan_kmalloc.part.0+0x62/0xf0
[  842.283394]  [<ffffffff81484197>] ? kasan_kmalloc+0xb7/0xd0
[  842.289115]  [<ffffffff8148475f>] ? kasan_slab_alloc+0xf/0x20
[  842.295075]  [<ffffffff8147fe9c>] ? kmem_cache_alloc+0xdc/0x2c0
[  842.301173]  [<ffffffff810f5c10>] ? __sigqueue_alloc+0x1e0/0x410
[  842.307312]  [<ffffffff810fa012>] ? __send_signal+0x1b2/0x12a0
[  842.313385]  [<ffffffff810fb149>] ? send_signal+0x49/0xc0
[  842.318926]  [<ffffffff810fd0ea>] ? force_sig_info+0x20a/0x310
[  842.324891]  [<ffffffff810a9760>] ? force_sig_info_fault.constprop.0+0xd0/0x110
[  842.332359]  [<ffffffff811fffff>] ? __lock_acquire+0xa4f/0x4f50
[  842.338424]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[  842.344479]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[  842.351279]  [<ffffffff81484025>] ? kasan_unpoison_shadow+0x35/0x50
[  842.357694]  [<ffffffff81484197>] kasan_kmalloc+0xb7/0xd0
[  842.363223]  [<ffffffff810f5c10>] ? __sigqueue_alloc+0x1e0/0x410
[  842.369398]  [<ffffffff8148475f>] kasan_slab_alloc+0xf/0x20
[  842.375095]  [<ffffffff8147fe9c>] kmem_cache_alloc+0xdc/0x2c0
[  842.380990]  [<ffffffff810f5c10>] __sigqueue_alloc+0x1e0/0x410
[  842.387036]  [<ffffffff810f5a30>] ? do_sigaltstack+0x580/0x580
[  842.393114]  [<ffffffff810fa012>] __send_signal+0x1b2/0x12a0
[  842.399051]  [<ffffffff810fb149>] send_signal+0x49/0xc0
[  842.404434]  [<ffffffff810fd0ea>] force_sig_info+0x20a/0x310
[  842.410273]  [<ffffffff810a9760>] force_sig_info_fault.constprop.0+0xd0/0x110
[  842.417575]  [<ffffffff810a9690>] ? is_prefetch.isra.0.part.0+0x3b0/0x3b0
[  842.424493]  [<ffffffff827197a6>] ? retint_kernel+0x2d/0x2d
[  842.430220]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[  842.436963]  [<ffffffff81430941>] ? __might_fault+0x191/0x1d0
[  842.442929]  [<ffffffff810aa1e5>] __bad_area_nosemaphore+0x225/0x3f0
[  842.449434]  [<ffffffff810aa456>] bad_area+0x66/0x80
[  842.454657]  [<ffffffff810aad28>] __do_page_fault+0x568/0x7f0
[  842.460562]  [<ffffffff810ab008>] do_page_fault+0x28/0x30
[  842.466089]  [<ffffffff82719e35>] page_fault+0x25/0x30
[  842.471389] Code: 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 85 d2 74 1b 8b 47 10 85 c0 7f 15 8b 07 3b 47 04 73 0d 48 8b 57 08 8d 48 01 89 0f 48 89 34 c2 <c3> 83 e8 01 89 47 10 c3 66 0f 1f 84 00 00 00 00 00 55 49 89 fa 
[  842.490485] NMI backtrace for cpu 1
[  842.494102] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4
[  842.500512] task: ffff8801da6f4740 task.stack: ffff8800001d0000
[  842.506558] RIP: 0010:[<ffffffff8109b617>]  [<ffffffff8109b617>] flat_send_IPI_mask+0xf7/0x1b0
[  842.515320] RSP: 0000:ffff8800001d7c88  EFLAGS: 00000046
[  842.520838] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000
[  842.528240] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300
[  842.535506] RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000
[  842.542812] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[  842.550107] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002
[  842.557374] FS:  0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
[  842.565634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  842.571562] CR2: 0000000000000000 CR3: 00000000b0573000 CR4: 00000000001606b0
[  842.578945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  842.586229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  842.593517] Stack:
[  842.595674]  0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34
[  842.603309]  000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee
[  842.610850]  0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab8252
[  842.618591] Call Trace:
[  842.621172]  [<ffffffff81092bee>] nmi_raise_cpu_backtrace+0x5e/0x80
[  842.627707]  [<ffffffff81ab8252>] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae
[  842.635061]  [<ffffffff81092b90>] ? irq_force_complete_move+0x330/0x330
[  842.642179]  [<ffffffff81092ca4>] arch_trigger_all_cpu_backtrace+0x14/0x20
[  842.649199]  [<ffffffff813b4762>] watchdog.cold+0xd3/0xee
[  842.654727]  [<ffffffff81309bec>] ? watchdog+0xac/0xa00
[  842.660127]  [<ffffffff81309b40>] ? reset_hung_task_detector+0x20/0x20
[  842.666783]  [<ffffffff811342c3>] kthread+0x273/0x310
[  842.672065]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[  842.678834]  [<ffffffff82718079>] ? _raw_spin_unlock_irq+0x39/0x60
[  842.685400]  [<ffffffff81159431>] ? finish_task_switch+0x1e1/0x660
[  842.691728]  [<ffffffff81159403>] ? finish_task_switch+0x1b3/0x660
[  842.698240]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[  842.703938]  [<ffffffff827081f3>] ? __schedule+0x7a3/0x1ee0
[  842.709661]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[  842.715359]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[  842.722034]  [<ffffffff82718fc5>] ret_from_fork+0x55/0x80
[  842.727584]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[  842.734265] 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 
[  842.761432] Kernel panic - not syncing: hung_task: blocked tasks
[  842.767614] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4
[  842.774008]  0000000000000000 551b31988d53ac0a ffff8800001d7c60 ffffffff81aad1a1
[  842.782118]  ffff8801d2508000 ffffffff82872120 dffffc0000000000 0000000000000002
[  842.793868]  00000000003fffa7 ffff8800001d7d40 ffffffff813a48c2 0000000041b58ab3
[  842.802030] Call Trace:
[  842.804784]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[  842.810151]  [<ffffffff813a48c2>] panic+0x1b9/0x37b
[  842.815165]  [<ffffffff813a4709>] ? add_taint.cold+0x16/0x16
[  842.821012]  [<ffffffff81ab8061>] ? nmi_trigger_all_cpu_backtrace+0x3e1/0x490
[  842.828366]  [<ffffffff81ab8046>] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490
[  842.835656]  [<ffffffff81ab8046>] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490
[  842.842925]  [<ffffffff813b4773>] watchdog.cold+0xe4/0xee
[  842.848454]  [<ffffffff81309bec>] ? watchdog+0xac/0xa00
[  842.853913]  [<ffffffff81309b40>] ? reset_hung_task_detector+0x20/0x20
[  842.860673]  [<ffffffff811342c3>] kthread+0x273/0x310
[  842.865861]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[  842.872521]  [<ffffffff82718079>] ? _raw_spin_unlock_irq+0x39/0x60
[  842.878836]  [<ffffffff81159431>] ? finish_task_switch+0x1e1/0x660
[  842.885172]  [<ffffffff81159403>] ? finish_task_switch+0x1b3/0x660
[  842.891608]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[  842.897430]  [<ffffffff827081f3>] ? __schedule+0x7a3/0x1ee0
[  842.903169]  [<ffffffff827081ff>] ? __schedule+0x7af/0x1ee0
[  842.908911]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[  842.915733]  [<ffffffff82718fc5>] ret_from_fork+0x55/0x80
[  842.922057]  [<ffffffff81134050>] ? kthread_create_on_node+0x4c0/0x4c0
[  842.929532] Kernel Offset: disabled
[  842.933349] Rebooting in 86400 seconds..