Node 0 DMA free:10880kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
------------[ cut here ]------------
lowmem_reserve[]: 0 2693 2695 2695 2695
memory commitment underflow
WARNING: CPU: 0 PID: 16425 at mm/util.c:668 __vm_enough_memory+0x516/0x650 mm/util.c:668
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 16425 Comm: kworker/u4:0 Not tainted 4.19.163-syzkaller #0
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+0x1fc/0x2fe lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x61 kernel/panic.c:541
 report_bug+0x262/0x2b0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:__vm_enough_memory+0x516/0x650 mm/util.c:668
Code: 09 31 ff 89 de e8 ea b4 db ff 84 db 0f 85 a9 fb ff ff e8 ad b3 db ff 48 c7 c7 20 e4 71 88 c6 05 8c 63 85 09 01 e8 85 90 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: 0000:ffff88814935fd30 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814fdbb1 RDI: ffffed102926bf98
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000006c25
R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffffffe9221a R14: ffffffff8a0094c0 R15: 0000000000000d2b
 insert_vm_struct+0x291/0x340 mm/mmap.c:3123
 __bprm_mm_init fs/exec.c:315 [inline]
 bprm_mm_init fs/exec.c:418 [inline]
 __do_execve_file+0xdfe/0x2360 fs/exec.c:1803
 do_execveat_common fs/exec.c:1879 [inline]
 do_execve+0x35/0x50 fs/exec.c:1896
 call_usermodehelper_exec_async+0x50e/0x6a0 kernel/umh.c:116
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..