[Bug] GEF Command BufferOverflow inside GDB

### GEF+GDB version ```shell GDB: GNU gdb (Fedora Linux) 16.3-6.fc43 GEF: The latest you get from `$ bash -c "$(curl -fsSL https://gef.blah.cat/sh)"` ``` ### Operating System Fedora Linux x86_64 ### Describe the issue you encountered I created a simple elf64 from my asm code, compiled it and loaded it into gdb with gef installed, gef errors out with a buffer overflow, when trying to run `gef` inside gdb ### Do you read the docs and look at previously closed issues/PRs for similar cases? Yes ### Architecture impacted - [ ] X86 - [x] X64 - [ ] ARM - [ ] ARM64 - [ ] MIPS - [ ] MIPS64 - [ ] PPC - [ ] PPC64 - [ ] RISCV ### Describe your issue. Without a proper reproduction step-by-step, your issue will be ignored. 1. Install newest version of gef 2. load elf64 binary into gdb 3. try to run gef 4. buffer overflow error ``` gef➤ gef Python Exception <class 'SystemError'>: buffer overflow Python Exception <class 'gdb.error'>: Error occurred in Python: buffer overflow Error occurred in Python: Error occurred in Python: buffer overflow ``` ### Minimalist test case Use this field for a minimal code to compile and spot the issue: ```asm global _start section .data message db "Hello World!" length equ $-message section .text _start: mov rax, 1 mov rdi, 1 mov rsi, message mov rdx, length syscall mov rax, 60 mov rdi, 0 syscall ``` nasm -f elf64 hello.asm && ld hello.o ### Additional context? Python Exception <class 'SystemError'>: buffer overflow Python Exception <class 'gdb.error'>: Error occurred in Python: buffer overflow Error occurred in Python: Error occurred in Python: buffer overflow