memory commitment underflow
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7946 at mm/util.c:606 __vm_enough_memory.cold.2+0x18/0x59 mm/util.c:604
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7946 Comm: getty Not tainted 4.14.86+ #17
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 panic+0x1bf/0x3a4 kernel/panic.c:181
 __warn.cold.7+0x2f/0x35 kernel/panic.c:542
 report_bug+0x1f7/0x26c lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 do_error_trap+0x1ba/0x2c0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:944
RIP: 0010:__vm_enough_memory.cold.2+0x18/0x59 mm/util.c:604
RSP: 0018:ffff8881d6867c90 EFLAGS: 00010282
RAX: 000000000000001b RBX: ffffffff8e13a040 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881d7326630 RDI: ffffffff8f5d84e0
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da076300
R13: 0000000000000001 R14: 0000000000000c96 R15: fff8000000004bf6
 mmap_region+0x4cf/0xfb0 mm/mmap.c:1681
 do_mmap+0x551/0xb80 mm/mmap.c:1509
 do_mmap_pgoff include/linux/mm.h:2167 [inline]
 vm_mmap_pgoff+0x180/0x1d0 mm/util.c:333
 SYSC_mmap_pgoff mm/mmap.c:1559 [inline]
 SyS_mmap_pgoff+0xf8/0x1a0 mm/mmap.c:1517
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7fd0c0d283ea
RSP: 002b:00007ffd0666bb28 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fd0c0f304c8 RCX: 00007fd0c0d283ea
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fd0c0d10000
RBP: 00007ffd0666be50 R08: 0000000000000003 R09: 0000000000001000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffd0666bf38
R13: 0000000000000002 R14: 00007ffd0666bba0 R15: 00007ffd0666bb70
Kernel Offset: 0xac00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..