------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 1 PID: 6649 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: 6649 Comm: blkid Not tainted 4.18.0-rc4+ #145
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
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:__vm_enough_memory+0x753/0x980 mm/util.c:640
Code: 90 d6 ff 0f b6 85 30 fe ff ff 84 c0 0f 85 2e fa ff ff e8 90 8f d6 ff 48 c7 c7 e0 37 f1 87 c6 05 86 47 f4 07 01 e8 6d b2 a1 ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 
RSP: 0018:ffff880197127730 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 1ffff10032e24eea RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81631821 RDI: 0000000000000001
RBP: ffff880197127918 R08: ffff8801add2a240 R09: ffffed003b5e3ec2
R10: ffffed003b5e3ec2 R11: ffff8801daf1f617 R12: ffff8801971278f0
R13: 0000000000000c65 R14: ffffffff8900e7e0 R15: 0000000000000001
 security_vm_enough_memory_mm+0x9d/0xc0 security/security.c:333
 mmap_region+0x383/0x1890 mm/mmap.c:1714
 do_mmap+0xa06/0x1320 mm/mmap.c:1535
 do_mmap_pgoff include/linux/mm.h:2287 [inline]
 vm_mmap_pgoff+0x213/0x2c0 mm/util.c:357
 ksys_mmap_pgoff+0xf1/0x660 mm/mmap.c:1585
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
 __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f2dec8f73ea
Code: 48 8d 3d 81 69 00 00 b2 84 e8 52 ec ff ff f7 d8 89 05 ae ad 20 00 eb c6 90 90 90 90 90 90 90 90 49 89 ca b8 09 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 8a ad 20 00 31 d2 48 29 c2 89 
RSP: 002b:00007ffd7f0a3758 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000001000 RCX: 00007f2dec8f73ea
RDX: 0000000000000003 RSI: 0000000000001000 RDI: 0000000000000000
RBP: 0000000000000495 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 00007ffd7f0a39e0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..