binder: BINDER_SET_CONTEXT_MGR already set
binder: 6947:6965 ioctl 40046207 0 returned -16
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7832 at kernel/signal.c:343 task_participate_group_stop+0x220/0x2c0 kernel/signal.c:343
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7832 Comm: 8 Not tainted 4.9.128+ #93
 ffff8801d5fcfa60 ffffffff81af2469 ffffffff82838ba0 00000000ffffffff
 0000000000000000 0000000000000001 0000000000000157 ffff8801d5fcfb20
 ffffffff813df985 0000000041b58ab3 ffffffff82c2896b ffffffff813df7c6
Call Trace:
 [<ffffffff81af2469>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81af2469>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813df985>] panic+0x1bf/0x39f kernel/panic.c:179
 [<ffffffff813dfc54>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff810d973c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff81102f50>] task_participate_group_stop+0x220/0x2c0 kernel/signal.c:343
 [<ffffffff811075b3>] do_signal_stop+0x373/0x7c0 kernel/signal.c:2028
 [<ffffffff8110b4ec>] get_signal+0x5bc/0x1460 kernel/signal.c:2205
 [<ffffffff81051225>] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807
 [<ffffffff81003e2e>] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:157
 [<ffffffff8100570d>] prepare_exit_to_usermode arch/x86/entry/common.c:191 [inline]
 [<ffffffff8100570d>] syscall_return_slowpath arch/x86/entry/common.c:260 [inline]
 [<ffffffff8100570d>] do_syscall_64+0x35d/0x480 arch/x86/entry/common.c:287
 [<ffffffff8278df13>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..