binder: 10684:10691 transaction failed 29189/-3, size 65535-0 line 3136
binder: BINDER_SET_CONTEXT_MGR already set
binder: 10701:10710 ioctl 40046207 0 returned -16
binder_alloc: 2160: binder_alloc_buf, no vma
binder: 10701:10710 transaction failed 29189/-3, size 65535-0 line 3136
INFO: task kworker/u4:4:2096 blocked for more than 140 seconds.
      Not tainted 4.9.141+ #23
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:4    D24840  2096      2 0x80000000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
 ffff8801d785c740 0000000000000000 ffff8801d3b0b180 ffff8801da6797c0
 ffff8801db721018 ffff8801ad9f77c0 ffffffff828075c2 0000000000000096
 ffffffff83cdf6c0 ffffffff830d2c20 00000000000078e9 ffff8801db7218f0
Call Trace:
 [<ffffffff82808aef>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff828142d5>] schedule_timeout+0x735/0xe20 kernel/time/timer.c:1771
 [<ffffffff8280a63f>] do_wait_for_common kernel/sched/completion.c:75 [inline]
 [<ffffffff8280a63f>] __wait_for_common kernel/sched/completion.c:93 [inline]
 [<ffffffff8280a63f>] wait_for_common+0x3ef/0x5d0 kernel/sched/completion.c:101
 [<ffffffff8280a838>] wait_for_completion+0x18/0x20 kernel/sched/completion.c:122
 [<ffffffff81246014>] __synchronize_srcu+0x254/0x3b0 kernel/rcu/srcu.c:448
 [<ffffffff8124618e>] synchronize_srcu+0x1e/0x40 kernel/rcu/srcu.c:492
 [<ffffffff815e64cf>] fsnotify_mark_destroy_list+0x10f/0x390 fs/notify/mark.c:551
 [<ffffffff815e675e>] fsnotify_mark_destroy_workfn+0xe/0x10 fs/notify/mark.c:561
 [<ffffffff81131001>] process_one_work+0x831/0x15f0 kernel/workqueue.c:2092
 [<ffffffff81131e96>] worker_thread+0xd6/0x1140 kernel/workqueue.c:2226
 [<ffffffff81142c3d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff82817a5c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373

Showing all locks held in the system:
2 locks held by khungtaskd/24:
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131c0cc>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131c0cc>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff813fe63f>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/1890:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<ffffffff8156cc7c>] __fdget_pos+0xac/0xd0 fs/file.c:781
2 locks held by getty/2018:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff82815952>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+.+.}, at: [<ffffffff81d37362>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142
2 locks held by kworker/u4:4/2096:
 #0:  ("events_unbound"){.+.+.+}, at: [<ffffffff81130f0c>] process_one_work+0x73c/0x15f0 kernel/workqueue.c:2085
 #1:  ((reaper_work).work){+.+...}, at: [<ffffffff81130f44>] process_one_work+0x774/0x15f0 kernel/workqueue.c:2089
1 lock held by init/8361:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/9419:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/10559:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/10561:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/10563:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/10564:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130

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

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #23
 ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40
 ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000003
Call Trace:
 [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81b4df89>] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99
 [<ffffffff81b4df1c>] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60
 [<ffffffff810984b4>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff8131c65d>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff8131c65d>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8131c65d>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8131c65d>] watchdog+0x6ad/0xa20 kernel/hung_task.c:239
 [<ffffffff81142c3d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff82817a5c>] 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: 10725 Comm: syz-executor.2 Not tainted 4.9.141+ #23
task: ffff8801cdc397c0 task.stack: ffff8801c5bc0000
RIP: 0010:[<ffffffff82806f77>] 
c [<ffffffff82806f77>] __schedule+0x17/0x1b10 kernel/sched/core.c:3431
RSP: 0018:ffff8801c5bc7c60  EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000246 RCX: 1ffff10039b87412
RDX: 0000000000000000 RSI: ffff8801cdc3a070 RDI: 0000000000000001
RBP: ffff8801c5bc7c88 R08: ffff8801cdc3a090 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000021000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db600000(0063) knlGS:0000000009673900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000009674194 CR3: 00000001d3b59000 CR4: 00000000001606b0
Stack:
 0000000000000246
c dffffc0000000000
c 0000000000000000
c 0000000000000000
c
 0000000000000000
c ffff8801c5bc7ca8
c ffffffff828094fb
c 0000000000000246
c
 ffff8801cdc397c0
c ffff8801c5bc7dc8
c ffffffff82818214
c 0000000000000000
c
Call Trace:
 [<ffffffff828094fb>] preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:3711
 [<ffffffff82818214>] retint_kernel+0x1b/0x2d
 [<ffffffff82811794>] down_write_killable+0x44/0xc0 kernel/locking/rwsem.c:66
 [<ffffffff814b8519>] do_mprotect_pkey+0x189/0x650 mm/mprotect.c:437
 [<ffffffff814b8a0a>] SYSC_mprotect mm/mprotect.c:534 [inline]
 [<ffffffff814b8a0a>] SyS_mprotect+0x2a/0x40 mm/mprotect.c:531
 [<ffffffff81006311>] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline]
 [<ffffffff81006311>] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390
 [<ffffffff82818de0>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: 
cfe 
ce9 
ca8 
cfd 
cff 
cff 
c0f 
c1f 
c40 
c00 
c66 
c2e 
c0f 
c1f 
c84 
c00 
c00 
c00 
c00 
c00 
c55 
c48 
c89 
ce5 
c41 
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c41 
c56 
c41 
c55 
c49 
cc7 
cc5 
c00 
c10 
c02 
c00 
c41 
c54 
c41 
c89 
cfc 
c53 
c<4c> 
c89 
ceb 
c48 
c83 
cec 
c50 
c40 
c88 
c7d 
ca7 
ce8 
cb9 
c0f 
c3a 
cff 
c48 
cba 
c00 
c00 
c00 
c