------------[ cut here ]------------ memory commitment underflow WARNING: CPU: 1 PID: 5237 at mm/util.c:642 __vm_enough_memory+0x753/0x980 mm/util.c:640 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 5237 Comm: syz-executor0 Not tainted 4.18.0-rc6+ #163 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+0x1c9/0x2b4 lib/dump_stack.c:113 ? dump_stack_print_in