page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1123
RIP: 0000:0x940aec
RSP: 2e000:000000c00003dec8 EFLAGS: 0043b6a0
memory commitment underflow
------------[ cut here ]------------
WARNING: CPU: 0 PID: 31109 at mm/util.c:622 __vm_enough_memory.cold+0x18/0x59 mm/util.c:622
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 31109 Comm: kworker/u4:4 Not tainted 4.14.229-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:__vm_enough_memory.cold+0x18/0x59 mm/util.c:622
RSP: 0000:ffff88800f41fd70 EFLAGS: 00010286
RAX: 000000000000001b RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bbbc0 RDI: ffffed1001e83fa4
RBP: 0000000000000001 R08: 000000000000001b R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880934a0cc0
R13: ffffffff88feaee0 R14: ffffffffffcb4809 R15: 0000000000000d36
 insert_vm_struct+0x25e/0x300 mm/mmap.c:3088
 __bprm_mm_init fs/exec.c:316 [inline]
 bprm_mm_init fs/exec.c:414 [inline]
 do_execveat_common+0xbf8/0x1f30 fs/exec.c:1786
 do_execve+0x33/0x50 fs/exec.c:1860
 call_usermodehelper_exec_async+0x2ed/0x510 kernel/umh.c:109
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..