binder: 4683:4685 ioctl c0306201 2000ffd0 returned -14
binder: 4686:4690 ioctl c0306201 2000ffd0 returned -14
binder_alloc: 12386: binder_alloc_buf, no vma
binder: 4717:4728 transaction failed 29189/-3, size 0-0 line 3133
binder: 4717:4720 ioctl c0306201 2000ffd0 returned -14
INFO: task init:13231 blocked for more than 120 seconds.
      Not tainted 4.9.91-gbb94f9d #8
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D28976 13231      1 0x00000000
 ffff8801ca4d9800 0000000000000000 ffff8801bed1b9c0 ffff8801d35bc800
 ffff8801db221b98 ffff88015c0af580 ffffffff838a75cb ffff88015c0af6e0
 0000000000000046 00ffffff8107c7fd ffff8801db222468 ffff8801db222490
Call Trace:
 [<ffffffff838a8b6f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3551
 [<ffffffff838b4b2c>] schedule_timeout+0x56c/0x10b0 kernel/time/timer.c:1768
 [<ffffffff838b1658>] __down_common kernel/locking/semaphore.c:221 [inline]
 [<ffffffff838b1658>] __down+0x128/0x1c0 kernel/locking/semaphore.c:238
 [<ffffffff8122f38e>] down+0x5e/0x80 kernel/locking/semaphore.c:61
 [<ffffffff812632ec>] console_lock+0x2c/0x80 kernel/printk/printk.c:2212
 [<ffffffff81268bbc>] console_device+0x1c/0xc0 kernel/printk/printk.c:2549
 [<ffffffff82003be5>] tty_lookup_driver drivers/tty/tty_io.c:1994 [inline]
 [<ffffffff82003be5>] tty_open_by_driver drivers/tty/tty_io.c:2039 [inline]
 [<ffffffff82003be5>] tty_open+0x425/0xdf0 drivers/tty/tty_io.c:2116
 [<ffffffff8157b82b>] chrdev_open+0x22b/0x4c0 fs/char_dev.c:392
 [<ffffffff81566617>] do_dentry_open+0x607/0xc60 fs/open.c:766
 [<ffffffff8156a0c5>] vfs_open+0x105/0x220 fs/open.c:879
 [<ffffffff815a0c1c>] do_last fs/namei.c:3409 [inline]
 [<ffffffff815a0c1c>] path_openat+0x5ac/0x2910 fs/namei.c:3532
 [<ffffffff815a6777>] do_filp_open+0x197/0x290 fs/namei.c:3567
 [<ffffffff8156abb6>] do_sys_open+0x366/0x620 fs/open.c:1072
 [<ffffffff8156ae9d>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff8156ae9d>] SyS_open+0x2d/0x40 fs/open.c:1085
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b8493>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

Showing all locks held in the system:
2 locks held by khungtaskd/514:
 #0:  (rcu_read_lock){......}, at: [<ffffffff81372315>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff81372315>] watchdog+0x125/0xa70 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff81236de0>] debug_show_all_locks+0x70/0x280 kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/3651:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<ffffffff815d31cf>] __fdget_pos+0x9f/0xc0 fs/file.c:781
2 locks held by getty/3748:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff838b66a2>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff8200a954>] n_tty_read+0x1f4/0x16c0 drivers/tty/n_tty.c:2133
1 lock held by init/13231:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open_by_driver drivers/tty/tty_io.c:2038 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2116
1 lock held by init/13235:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open_by_driver drivers/tty/tty_io.c:2038 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2116
1 lock held by init/13237:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open_by_driver drivers/tty/tty_io.c:2038 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2116
1 lock held by init/13246:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open_by_driver drivers/tty/tty_io.c:2038 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2116
1 lock held by init/13492:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open_by_driver drivers/tty/tty_io.c:2038 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2116
1 lock held by init/13518:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open_by_driver drivers/tty/tty_io.c:2038 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82003bc7>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2116
2 locks held by syz-executor5/4713:
 #0:  (lock#2){+.+...}, at: [<ffffffff81468a5f>] lru_add_drain_all+0x3f/0x400 mm/swap.c:695
 #1:  (cpu_hotplug.dep_map){++++++}, at: [<ffffffff81135632>] get_online_cpus+0x32/0x90 kernel/cpu.c:246
1 lock held by syz-executor5/4727:
 #0:  (lock#2){+.+...}, at: [<ffffffff81468a5f>] lru_add_drain_all+0x3f/0x400 mm/swap.c:695

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 514 Comm: khungtaskd Not tainted 4.9.91-gbb94f9d #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d871fd00 ffffffff81d95169 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff810bb8f0 ffff8801d871fd38
 ffffffff81da02bd 0000000000000001 0000000000000000 ffff8801ca4d9c18
Call Trace:
 [<ffffffff81d95169>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d95169>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81da02bd>] nmi_cpu_backtrace+0xfd/0x120 lib/nmi_backtrace.c:99
 [<ffffffff81da03f7>] nmi_trigger_cpumask_backtrace+0x117/0x190 lib/nmi_backtrace.c:60
 [<ffffffff810bb9e4>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff813728e0>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff813728e0>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff813728e0>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff813728e0>] watchdog+0x6f0/0xa70 kernel/hung_task.c:239
 [<ffffffff8119c0dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff838b865c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20188 Comm: kworker/0:0 Not tainted 4.9.91-gbb94f9d #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events binder_deferred_func
c
task: ffff8801d35bc800 task.stack: ffff8801d8398000
RIP: 0010:[<ffffffff8203ad6b>] 
c [<ffffffff8203ad6b>] inb arch/x86/include/asm/io.h:316 [inline]
RIP: 0010:[<ffffffff8203ad6b>] 
c [<ffffffff8203ad6b>] io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:414
RSP: 0018:ffff8801d839f690  EFLAGS: 00000002
RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8627c378
RBP: ffff8801d839f6a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8627c340
R13: 0000000000000020 R14: fffffbfff0c4f8af R15: fffffbfff0c4f871
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000807eb60 CR3: 000000000441e000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8627c340
c 000000000000270c
c ffff8801d839f6f0
c ffffffff8203c99e
c
 ffffffff83a6786d
c ffffffff8627c388
c ffffffff8627c57a
c ffffffff8627c340
c
 0000000000000032
c ffffffff8203cae0
c dffffc0000000000
c 0000000000000032
c
Call Trace:
 [<ffffffff8203c99e>] serial_in drivers/tty/serial/8250/8250.h:111 [inline]
 [<ffffffff8203c99e>] wait_for_xmitr+0x8e/0x1d0 drivers/tty/serial/8250/8250_port.c:1997
 [<ffffffff8203caff>] serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3103
 [<ffffffff82024d4c>] uart_console_write+0xac/0xe0 drivers/tty/serial/serial_core.c:1859
 [<ffffffff82048550>] serial8250_console_write+0x2e0/0x850 drivers/tty/serial/8250/8250_port.c:3169
 [<ffffffff8203593f>] univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:594
 [<ffffffff81264985>] call_console_drivers.isra.20.constprop.29+0x1a5/0x350 kernel/printk/printk.c:1589
 [<ffffffff81267795>] console_unlock+0x425/0xb20 kernel/printk/printk.c:2449
 [<ffffffff81268372>] vprintk_emit+0x4e2/0x750 kernel/printk/printk.c:1903
 [<ffffffff81268608>] vprintk+0x28/0x30 kernel/printk/printk.c:1913
 [<ffffffff8126862d>] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1914
 [<ffffffff8142f50c>] vprintk_func kernel/printk/internal.h:36 [inline]
 [<ffffffff8142f50c>] printk+0xb7/0xe2 kernel/printk/printk.c:1975
 [<ffffffff82d65fc6>] binder_release_work+0x166/0x260 drivers/android/binder.c:4378
 [<ffffffff82d664e8>] binder_thread_release+0x428/0x600 drivers/android/binder.c:4569
 [<ffffffff82d66aff>] binder_deferred_release drivers/android/binder.c:5110 [inline]
 [<ffffffff82d66aff>] binder_deferred_func+0x43f/0xd10 drivers/android/binder.c:5182
 [<ffffffff8118b1c0>] process_one_work+0x7e0/0x1610 kernel/workqueue.c:2092
 [<ffffffff8118c0d0>] worker_thread+0xe0/0x10d0 kernel/workqueue.c:2226
 [<ffffffff8119c0dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff838b865c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Code: 
c24 
cc9 
c00 
c00 
c00 
c49 
c8d 
c7c 
c24 
c38 
c48 
cb8 
c00 
c00 
c00 
c00 
c00 
cfc 
cff 
cdf 
c48 
c89 
cfa 
c48 
cc1 
cea 
c03 
cd3 
ce3 
c80 
c3c 
c02 
c00 
c75 
c17 
c41 
c03 
c5c 
c24 
c38 
c89 
cda 
cec 
c<5b> 
c0f 
cb6 
cc0 
c41 
c5c 
c5d 
cc3 
ce8 
ce8 
c2e 
c50 
cff 
ceb 
cc2 
ce8 
c41 
c2f 
c50 
cff 
ceb 
c