Seeing PGO: UNKNOWN is not implemented yet! printed out when parsing the following assembly

global main
extern GetStdHandle
extern WriteFile

section .text
main:
    mov     rcx, 0fffffff5h
    call    GetStdHandle

    mov     rcx, rax
    mov     rdx, NtlpBuffer
    mov     r8, [NtnNBytesToWrite]
    mov     r9, NtlpNBytesWritten
    sub     rsp, 40
    mov     dword [rs

Attempting to decode any of the attached files with goblin::elf::Elf::parse crashes the process. Memory allocator runs out of virtual memory and the process is aborted.

goblin-elf-oom-crashes.zip

Found via AFL.rs. Fuzzing harness: https://github.com/Shnatsel/goblin/blob/master/fuzz-afl/src/main.rs