IPVS: ftp: loaded support on port[0] = 21
memory commitment underflow
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4634 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: 4634 Comm: systemd-udevd Not tainted 4.14.246-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:183
 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: 0018:ffff88809a5d7bf8 EFLAGS: 00010286
RAX: 000000000000001b RBX: 000000000000000a RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88809a5cec98 RDI: ffffed10134baf75
RBP: 0000000000000001 R08: 000000000000001b R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809a745900
R13: ffffffff88feb1e0 R14: fff8000000005b68 R15: 0000000000000d36
 dup_mmap kernel/fork.c:643 [inline]
 dup_mm kernel/fork.c:1199 [inline]
 copy_mm kernel/fork.c:1254 [inline]
 copy_process.part.0+0x4ab3/0x71c0 kernel/fork.c:1790
 copy_process kernel/fork.c:1605 [inline]
 _do_fork+0x184/0xc80 kernel/fork.c:2091
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f7bee95038b
RSP: 002b:00007fffe98e9c10 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffe98e9c10 RCX: 00007f7bee95038b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffe98e9c60 R08: 00007f7befb018c0 R09: 0000000000000210
R10: 00007f7befb01b90 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..