binder: 18776:18780 Release 1 refcount change on invalid ref 1 ret -22
binder: 18776:18780 unknown command -1073488791
binder: 18776:18780 ioctl c0306201 20000380 returned -22
binder: undelivered TRANSACTION_ERROR: 29189
INFO: task init:29331 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 ffff8800ba58f718 29280 29331      1 0x00000000
 ffff8800ba58f718 ffff8801bd4b0000 a4a1846af454e943 ffff8801bd4b0000
 0000000000000000 ffff8801bd4b0800 ffff8801db71f180 ffff8801db71f1a8
 ffff8801db71e898 ffff8801bd4b5f00 ffff8801bd4b0000 ffffed00174b1001
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/29331:
 #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: 20 Comm: khungtaskd Not tainted 4.4.174+ #17
task: ffff8801da6f2f80 task.stack: ffff8801d9ef0000
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:ffff8801d9ef7c88  EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000
RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300
RBP: ffff8801d9ef7cb8 R08: 0000000000000018 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000008148008 CR3: 00000000a79ca000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34
 000000000001b6c0 0000000000000008 ffff8801d9ef7cd8 ffffffff81092bee
 0000000000000008 ffffffff82924260 ffff8801d9ef7d30 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 
NMI backtrace for cpu 1
CPU: 1 PID: 2333 Comm: udevd Not tainted 4.4.174+ #17
task: ffff8800b93edf00 task.stack: ffff8800b8d88000
RIP: 0010:[<ffffffff8112f4e0>]  [<ffffffff8112f4e0>] __kernel_text_address+0x0/0xa0 kernel/extable.c:100
RSP: 0018:ffff8800b8d8fae8  EFLAGS: 00000287
RAX: ffff8800b8d8fef8 RBX: ffff8800b8d8fe98 RCX: 0000000000000005
RDX: ffff8800b8d8fc08 RSI: ffff8800b91b2a60 RDI: ffff8800b91b2a60
RBP: ffff8800b8d8fb38 R08: ffff8800b8d8fbf0 R09: 0000000000000000
R10: ffff8800b8d8fef8 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8800b8d8fbf0 R14: ffff8800b8d8fff8 R15: ffff8800b8d88000
FS:  00007f7efb8b67a0(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7efb8bd000 CR3: 00000000b8109000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff81013549 ffff8800b91b2a60 ffff8800b8d8fef8 ffff8800b8d8fef8
 ffffffff8280f0b0 ffff8800b8d8fbf0 ffffffff8280f0b0 ffff8800b8d8fb90
 ffff8801db707fc0 0000000000000000 ffff8800b8d8fbc8 ffffffff81012bb9
Call Trace:
 [<ffffffff81012bb9>] dump_trace+0x179/0x390 arch/x86/kernel/dumpstack_64.c:243
 [<ffffffff8102e3c6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff81484820>] save_stack mm/kasan/kasan.c:512 [inline]
 [<ffffffff81484820>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff81484820>] kasan_slab_free+0xb0/0x190 mm/kasan/kasan.c:589
 [<ffffffff8148157e>] slab_free_hook mm/slub.c:1383 [inline]
 [<ffffffff8148157e>] slab_free_freelist_hook mm/slub.c:1405 [inline]
 [<ffffffff8148157e>] slab_free mm/slub.c:2859 [inline]
 [<ffffffff8148157e>] kmem_cache_free+0xbe/0x350 mm/slub.c:2881
 [<ffffffff81441d82>] remove_vma+0x122/0x170 mm/mmap.c:292
 [<ffffffff81445692>] remove_vma_list mm/mmap.c:2478 [inline]
 [<ffffffff81445692>] do_munmap+0x5a2/0xcf0 mm/mmap.c:2701
 [<ffffffff81445e42>] vm_munmap+0x62/0x90 mm/mmap.c:2713
 [<ffffffff8144b4d6>] SYSC_munmap mm/mmap.c:2722 [inline]
 [<ffffffff8144b4d6>] SyS_munmap+0x26/0x30 mm/mmap.c:2719
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Code: e7 59 35 00 eb ce 0f 1f 44 00 00 31 c0 48 81 ff 00 00 e0 82 72 0c 31 c0 48 81 ff 40 2a 1b 83 0f 92 c0 c3 0f 1f 84 00 00 00 00 00 <55> 48 81 ff b8 02 00 81 48 89 e5 53 48 89 fb 72 09 48 81 ff c1