tl;dr: Volume 5 of tmp.0ut, an ELF/low-level hacking zine, features 21 articles including an interview with Doug McIlroy, a 57-byte x86-64 Linux ELF analysis, a 440-byte metamorphic ELF-64 virus, deep dives into Linux kernel executable loading, polyglot ELFs, syscall hook detection via side-channels, code virtualization, and fine-grained load-time ASLR. Also included are BGGP6 recap, static kernel patching, and a mixtape.