binder: 13774:13781 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 13785:13788 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 13794:13796 ioctl 40046207 0 returned -16
INFO: task init:5341 blocked for more than 140 seconds.
      Not tainted 4.4.174+ #17
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D ffff8801d2d6f718 29280  5341      1 0x00000000
 ffff8801d2d6f718 ffff8800b7ecaf80 3a406efbd959d88f ffff8800b7ecaf80
 0000000000000000 ffff8800b7ecb800 ffff8801db61f180 ffff8801db61f1a8
 ffff8801db61e898 ffff8800b5c45f00 ffff8800b7ecaf80 ffffed003a5ad001
Call Trace:
 [<ffffffff82709b79>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff8270a333>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff8270c492>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff8270c492>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81c8b2aa>] tty_open+0x56a/0xf50 drivers/tty/tty_io.c:2067
 [<ffffffff814a3ec0>] chrdev_open+0x230/0x630 fs/char_dev.c:388
 [<ffffffff8149154f>] do_dentry_open+0x38f/0xbd0 fs/open.c:749
 [<ffffffff81494d3b>] vfs_open+0x10b/0x210 fs/open.c:862
 [<ffffffff814c5ddf>] do_last fs/namei.c:3269 [inline]
 [<ffffffff814c5ddf>] path_openat+0x136f/0x4470 fs/namei.c:3406
 [<ffffffff814ccab1>] do_filp_open+0x1a1/0x270 fs/namei.c:3440
 [<ffffffff81495668>] do_sys_open+0x2f8/0x600 fs/open.c:1038
 [<ffffffff8149599d>] SYSC_open fs/open.c:1056 [inline]
 [<ffffffff8149599d>] SyS_open+0x2d/0x40 fs/open.c:1051
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
1 lock held by init/5341:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81c8b2aa>] tty_open+0x56a/0xf50 drivers/tty/tty_io.c:2067
Sending NMI to all CPUs:
NMI backtrace for cpu 0
CPU: 0 PID: 13810 Comm: syz-executor.4 Not tainted 4.4.174+ #17
task: ffff8800b65f17c0 task.stack: ffff8800b6828000
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] __read_once_size include/linux/compiler.h:218 [inline]
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] atomic_read arch/x86/include/asm/atomic.h:26 [inline]
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] __atomic_add_unless arch/x86/include/asm/atomic.h:211 [inline]
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] atomic_add_unless include/linux/atomic.h:437 [inline]
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] get_page_unless_zero include/linux/mm.h:373 [inline]
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] page_cache_get_speculative include/linux/pagemap.h:171 [inline]
RIP: 0010:[<ffffffff813ba50c>]  [<ffffffff813ba50c>] filemap_map_pages+0x2bc/0x960 mm/filemap.c:2114
RSP: 0000:ffff8800b682fc40  EFLAGS: 00000a03
RAX: 1ffffd40005bdf9b RBX: ffff8800b86d3d78 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff813ba4f2 RDI: 0000000000000246
RBP: ffff8800b682fd40 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff82836880 R11: 0000000000000000 R12: ffffea0002defcc0
R13: ffffea0002defcdc R14: 0000000000000001 R15: ffff8800b682fd18
FS:  0000000000000000(0000) GS:ffff8801db600000(0063) knlGS:0000000009f1a900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000080640b0 CR3: 00000000b8b56000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff813ba36b ffff8800b682fe40 0000000008060000 ffff8800b682fe20
 1ffff10016d05f93 ffff8800b2eaac30 ffff8801d3742e00 ffff8800b8687368
 ffffed0016d05fc8 ffffed00170da7af ffff8800b682fe18 0000000041b58ab3
Call Trace:
 [<ffffffff8143b79a>] do_fault_around mm/memory.c:2987 [inline]
 [<ffffffff8143b79a>] do_read_fault mm/memory.c:3006 [inline]
 [<ffffffff8143b79a>] do_fault mm/memory.c:3177 [inline]
 [<ffffffff8143b79a>] handle_pte_fault mm/memory.c:3346 [inline]
 [<ffffffff8143b79a>] __handle_mm_fault mm/memory.c:3474 [inline]
 [<ffffffff8143b79a>] handle_mm_fault+0x1aca/0x3140 mm/memory.c:3503
 [<ffffffff810aaa4e>] __do_page_fault+0x28e/0x7f0 arch/x86/mm/fault.c:1243
 [<ffffffff810ab008>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1306
 [<ffffffff82719e35>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:1064
Code: 7e a9 00 ff 1f 00 0f 85 db 04 00 00 e8 fe f0 f4 ff 4d 8d 6c 24 1c 48 b9 00 00 00 00 00 fc ff df 4c 89 e8 48 c1 e8 03 0f b6 14 08 <4c> 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 84 05 00 00 
NMI backtrace for cpu 1
CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17
task: ffff8801da6f4740 task.stack: ffff8800001d0000
RIP: 0010:[<ffffffff8109b617>]  [<ffffffff8109b617>] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:62 [inline]
RIP: 0010:[<ffffffff8109b617>]  [<ffffffff8109b617>] flat_send_IPI_mask+0xf7/0x1b0 arch/x86/kernel/apic/apic_flat_64.c:69
RSP: 0018:ffff8800001d7c88  EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000
RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300
RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe70831ff8 CR3: 00000000b35e6000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34
 000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee
 0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab8252
Call Trace:
 [<ffffffff81092bee>] nmi_raise_cpu_backtrace+0x5e/0x80 arch/x86/kernel/apic/hw_nmi.c:33
 [<ffffffff81ab8252>] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae lib/nmi_backtrace.c:85
 [<ffffffff81092ca4>] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 [<ffffffff813b4762>] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline]
 [<ffffffff813b4762>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff813b4762>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff813b4762>] watchdog.cold+0xd3/0xee kernel/hung_task.c:238
 [<ffffffff811342c3>] kthread+0x273/0x310 kernel/kthread.c:211
 [<ffffffff82718fc5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537
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