UndefinedBehaviorSanitizer
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
0warn against
Nov 14, 2025first mention
Oct 30, 2026latest mention
Why people recommend it
“asan/ubsan agree with me”
“run this with UBSAN, ASAN, and other C tools”
Show 1 more
“Tools like UBsan [1] can detect integer overflow in debug builds, and are used internally at Google to run automated tests.”
Caveats and dissent
No one in these comments warned against it.
Often compared with
Threads where it came up
- Iterating Backwards in C 1 mention
- Show HN: Shitty – fast terminal. Memory-unsafe and faster than yours 1 mention
- Claude Code uses Bun written in Rust now 1 mention
- Hardening the C++ Standard Library at scale 1 mention
- V8 Garbage Collector 1 mention
Also written as UndefinedBehaviorSanitizer. Data: undefinedbehaviorsanitizer.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 5
“Ubsan is a misnomer here from a technical perspective.”
“asan/ubsan agree with me”
“run this with UBSAN, ASAN, and other C tools”
“I thought it should too, but it doesn't seem to”
“Tools like UBsan [1] can detect integer overflow in debug builds, and are used internally at Google to run automated tests.”