binder: 18458:18461 ERROR: BC_REGISTER_LOOPER called without request
binder: 18458:18461 unknown command -635346159
binder: 18458:18461 ioctl c0306201 20007000 returned -22
WARNING: CPU: 0 PID: 2059 at drivers/staging/android/ion/ion.c:117 ion_buffer_destroy+0xe3/0x1a0 drivers/staging/android/ion/ion.c:117
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2059 Comm: ion_system_heap Not tainted 4.17.0+ #83
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1b9/0x294 lib/dump_stack.c:113
 panic+0x22f/0x4de kernel/panic.c:184
 __warn.cold.8+0x163/0x1b3 kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:ion_buffer_destroy+0xe3/0x1a0 drivers/staging/android/ion/ion.c:117
RSP: 0018:ffff8801ce04fd30 EFLAGS: 00010293
RAX: ffff8801ce042380 RBX: ffff8801b5c54080 RCX: ffffffff85b76284
RDX: 0000000000000000 RSI: ffffffff85b762d3 RDI: 0000000000000005
RBP: ffff8801ce04fd58 R08: ffff8801ce042380 R09: ffffed0039d6f166
R10: ffffed0039d6f166 R11: ffff8801ceb78b33 R12: ffffffff895164a0
R13: ffff8801ceb78a80 R14: 0000000000000001 R15: ffff8801b5c540a0
 ion_heap_deferred_free+0x31e/0x670 drivers/staging/android/ion/ion_heap.c:236
 kthread+0x345/0x410 kernel/kthread.c:240
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..