------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 0 PID: 14787 at mm/util.c:650 __vm_enough_memory+0x47f/0x5a0 mm/util.c:650
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 14787 Comm: syz-executor.5 Not tainted 4.19.36 #4
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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x263/0x51d kernel/panic.c:185
 __warn.cold+0x20/0x54 kernel/panic.c:540
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x204/0x360 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:997
RIP: 0010:__vm_enough_memory+0x47f/0x5a0 mm/util.c:650
Code: e8 16 97 db ff 0f b6 75 d0 40 84 f6 0f 85 4c fc ff ff e8 c4 95 db ff 48 c7 c7 60 b9 52 87 c6 05 bd 44 a6 07 01 e8 df 71 af 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:ffff88805344fb30 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8155df26 RDI: ffffed100a689f58
RBP: ffff88805344fb68 R08: ffff8880a0972100 R09: ffffed1015d03ee3
R10: ffffed1015d03ee2 R11: ffff8880ae81f717 R12: 0000000000000001
R13: ffff88804b53ac40 R14: ffffffff88821580 R15: 0000000000000c68
 security_vm_enough_memory_mm+0xa0/0xd0 security/security.c:338
 mmap_region+0x36e/0x1760 mm/mmap.c:1714
 do_mmap+0x8e2/0x1080 mm/mmap.c:1535
 do_mmap_pgoff include/linux/mm.h:2306 [inline]
 vm_mmap_pgoff+0x1c5/0x230 mm/util.c:357
 ksys_mmap_pgoff+0xf7/0x630 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+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c7a
Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00
RSP: 002b:00007ffcc973fd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c7a
RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..