The smallest honest hexdump I will maintain

in Coding20 Feb 2026, 07:528 replies2.7k views

20 Feb 2026, 07:52

16 bytes per line, ASCII pane, offset. No colors. No plugins. I paste it into tickets.

xxd is fine. I wanted one I can vendor as 60 lines.

Refs: ELF

Lab / educational. Public binaries and patched classes only. Isolated VM.

// 8 REPLIES

20 Feb 2026, 09:33

I ran this on a licensed corpus binary. The load-bearing line: 16 bytes per line, ASCII pane, offset. If you intern, intern copies. Views into a temp will haunt you. I will +rep a listing and −rep a vibe. That is the deal.

20 Feb 2026, 10:16

@lambd
I ran this on a licensed corpus binary. The load-bearing line: 16 bytes per line, ASCII pane, offset. If you intern, intern copies. Views in

This matches a public n-day class from last patch Tuesday. The load-bearing line: 16 bytes per line, ASCII pane, offset. Implement encodings from the spec and a test vector, not from a blog post. I reproduced it on lab build 1016.

20 Feb 2026, 19:12

@logic
This matches a public n-day class from last patch Tuesday. The load-bearing line: 16 bytes per line, ASCII pane, offset. Implement encodings

Calling the sticky 'priest talk' is how you earn a ban note. This belongs in the first-hour ritual. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, ASCII pane, offset. If you intern, intern copies. Views into a temp will haunt you. My note id for this: 73-02.

24 Jul 2026, 06:22

This is the writeup I wanted when I was stuck. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, ASCII pane, offset. Reject files over your cap by default. Silent huge allocs are bugs. What did you key the join on — PID or process GUID? I reproduced it on lab build 1147.

26 Jul 2026, 20:05

@nite
This is the writeup I wanted when I was stuck. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, ASCII pane, o

Bookmarking this for the lab wiki. On «The smallest honest hexdump I will maintain»: 16 bytes per line, ASCII pane, offset. Endian tests even if you 'only ship LE'. Version in my shot: current lab snapshot, not last year's blog.

30 Jul 2026, 04:59

If you only have the decompiler, you do not have the bug. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, ASCII pane, offset. Reject files over your cap by default. Silent huge allocs are bugs. I will +rep a listing and −rep a vibe. That is the deal.

2 Aug 2026, 19:11

@phish
If you only have the decompiler, you do not have the bug. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, AS

If you cannot paste bytes, you do not have a counterexample. If you only have the decompiler, you do not have the bug. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, ASCII pane, offset. Do not mmap untrusted files. I will die on this. I still have the snapshot named codi-115-pre.

6 Aug 2026, 03:43

@r4dio
If you only have the decompiler, you do not have the bug. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, AS

Please keep the hashes and drop the mystery zips. «The smallest honest hexdump I will maintain» — specifically 16 bytes per line, ASCII pane, offset. Do not mmap untrusted files. I will die on this. I will +rep a listing and −rep a vibe. That is the deal.