binder: BINDER_SET_CONTEXT_MGR already set
binder: 3965:3965 ioctl 40046207 0 returned -16
binder_alloc: binder_alloc_mmap_handler: 3965 20001000-20004000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 3965:3965 ioctl 40046207 0 returned -16
INFO: task init:1 blocked for more than 120 seconds.
      Not tainted 4.4.135-g98b6097 #58
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D ffff8801d99b7570 24064     1      0 0x00000004
 ffff8801d99b7570 ffff8801d99a88e0 000000000000017c ffff8801d99a8902
 ffff8801d99a8900 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8
 ffff8801db31f4c0 ffff8801d9a09800 ffff8801d99a8000 0000000000000000
Call Trace:
 [<ffffffff838b476a>] schedule+0x7a/0x1b0 kernel/sched/core.c:3359
 [<ffffffff838bfb81>] schedule_timeout+0x481/0x8b0 kernel/time/timer.c:1515
 [<ffffffff838bd235>] __down_common kernel/locking/semaphore.c:221 [inline]
 [<ffffffff838bd235>] __down+0x125/0x1d0 kernel/locking/semaphore.c:238
 [<ffffffff8122562e>] down+0x5e/0x80 kernel/locking/semaphore.c:61
 [<ffffffff8125853c>] console_lock+0x2c/0x80 kernel/printk/printk.c:2159
 [<ffffffff8125dc8c>] console_device+0x1c/0xc0 kernel/printk/printk.c:2430
 [<ffffffff8204cfdf>] tty_lookup_driver drivers/tty/tty_io.c:2000 [inline]
 [<ffffffff8204cfdf>] tty_open+0x8bf/0xf00 drivers/tty/tty_io.c:2068
 [<ffffffff815295dd>] chrdev_open+0x22d/0x4c0 fs/char_dev.c:388
 [<ffffffff81517a5b>] do_dentry_open+0x68b/0xbc0 fs/open.c:749
 [<ffffffff8151b08a>] vfs_open+0x12a/0x210 fs/open.c:862
 [<ffffffff8154c12e>] do_last fs/namei.c:3222 [inline]
 [<ffffffff8154c12e>] path_openat+0x4ee/0x3a10 fs/namei.c:3359
 [<ffffffff81552367>] do_filp_open+0x197/0x270 fs/namei.c:3393
 [<ffffffff8151b9ac>] do_sys_open+0x31c/0x610 fs/open.c:1038
 [<ffffffff8151bccd>] SYSC_open fs/open.c:1056 [inline]
 [<ffffffff8151bccd>] SyS_open+0x2d/0x40 fs/open.c:1051
 [<ffffffff838c27a5>] entry_SYSCALL_64_fastpath+0x22/0x9e
1 lock held by init/1:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff8204cc5e>] tty_open+0x53e/0xf00 drivers/tty/tty_io.c:2067
Sending NMI to all CPUs:
NMI backtrace for cpu 0
CPU: 0 PID: 3960 Comm: syz-executor617 Not tainted 4.4.135-g98b6097 #58
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800bb13e000 task.stack: ffff8800b9b08000
RIP: 0010:[<ffffffff82083f5b>]  [<ffffffff82083f5b>] inb arch/x86/include/asm/io.h:316 [inline]
RIP: 0010:[<ffffffff82083f5b>]  [<ffffffff82083f5b>] io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:398
RSP: 0018:ffff8800b9b0f7f0  EFLAGS: 00000002
RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: ffffffff82083f01 RDI: ffffffff862aa4f8
RBP: ffff8800b9b0f800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff858ed15a R12: ffffffff862aa4c0
R13: 0000000000000020 R14: fffffbfff0c554df R15: fffffbfff0c554a1
FS:  0000000002477880(0063) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006cf090 CR3: 00000000b10e2000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff862aa4c0 0000000000002710 ffff8800b9b0f850 ffffffff82085abf
 ffffffff81e37875 ffffffff862aa508 ffffffff862aa6fa ffffffff862aa4c0
 0000000000000020 ffffffff82085c10 dffffc0000000000 0000000000000020
Call Trace:
 [<ffffffff82085abf>] serial_in drivers/tty/serial/8250/8250.h:97 [inline]
 [<ffffffff82085abf>] wait_for_xmitr+0x8f/0x1e0 drivers/tty/serial/8250/8250_port.c:1717
 [<ffffffff82085c2f>] serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:2806
 [<ffffffff820700c9>] uart_console_write+0x59/0xf0 drivers/tty/serial/serial_core.c:1789
 [<ffffffff82090289>] serial8250_console_write+0x539/0x830 drivers/tty/serial/8250/8250_port.c:2872
 [<ffffffff8207ec6f>] univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:594
 [<ffffffff81259f1f>] call_console_drivers.constprop.28+0x1ef/0x3f0 kernel/printk/printk.c:1463
 [<ffffffff8125cbf5>] console_unlock+0x605/0xa10 kernel/printk/printk.c:2330
 [<ffffffff8125d51e>] vprintk_emit+0x51e/0x840 kernel/printk/printk.c:1832
 [<ffffffff8125d868>] vprintk+0x28/0x30 kernel/printk/printk.c:1843
 [<ffffffff8125d88d>] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1844
 [<ffffffff814152a8>] printk+0xaf/0xd7 kernel/printk/printk.c:1922
 [<ffffffff82dd0fcc>] binder_ioctl.cold.83+0x91/0x132 drivers/android/binder.c:4842
 [<ffffffff81559bbf>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<ffffffff81559bbf>] file_ioctl fs/ioctl.c:470 [inline]
 [<ffffffff81559bbf>] do_vfs_ioctl+0x63f/0xf40 fs/ioctl.c:605
 [<ffffffff8155a54f>] SYSC_ioctl fs/ioctl.c:622 [inline]
 [<ffffffff8155a54f>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613
 [<ffffffff838c27a5>] entry_SYSCALL_64_fastpath+0x22/0x9e
Code: 24 c1 00 00 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 38 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 78 57 47 ff eb c2 e8 d1 57 47 ff eb 
NMI backtrace for cpu 1
CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.135-g98b6097 #58
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d8ca0000 task.stack: ffff8801d8d20000
RIP: 0010:[<ffffffff810bfeb6>]  [<ffffffff810bfeb6>] native_apic_mem_write arch/x86/include/asm/apic.h:94 [inline]
RIP: 0010:[<ffffffff810bfeb6>]  [<ffffffff810bfeb6>] __default_send_IPI_dest_field arch/x86/include/asm/ipi.h:119 [inline]
RIP: 0010:[<ffffffff810bfeb6>]  [<ffffffff810bfeb6>] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:61 [inline]
RIP: 0010:[<ffffffff810bfeb6>]  [<ffffffff810bfeb6>] flat_send_IPI_mask+0xf6/0x1a0 arch/x86/kernel/apic/apic_flat_64.c:69
RSP: 0018:ffff8801d8d27cc8  EFLAGS: 00000046
RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000
RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300
RBP: ffff8801d8d27cf0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f7a0
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000ec0000 CR3: 00000000b2316000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8446f7a0 ffffffff84a18e60 0000000000000007 fffffbfff0942c7c
 0000000000000040 ffff8801d8d27d10 ffffffff810b5e71 ffffffff83c0b560
 0000000000000003 ffff8801d8d27d68 ffffffff81e19da3 ffffffff8140dcef
Call Trace:
 [<ffffffff810b5e71>] nmi_raise_cpu_backtrace+0x61/0x80 arch/x86/kernel/apic/hw_nmi.c:33
 [<ffffffff81e19da3>] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad lib/nmi_backtrace.c:85
 [<ffffffff810b5f14>] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 [<ffffffff8141a3d9>] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline]
 [<ffffffff8141a3d9>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8141a3d9>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8141a3d9>] watchdog.cold.1+0xd3/0xee kernel/hung_task.c:238
 [<ffffffff81190958>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff838c2bd5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
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 72